RODNEY J. WEBER

Professor
School of Earth and Atmospheric Sciences, Georgia Institute of Technology

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I. EARNED DEGEES

B.A.Sc. Mechanical Engineering, University of Waterloo, 1987

M.S. Mechanical Engineering, University of Minnesota (V. Marple Advisor), 1991

Ph.D. Mechanical Engineering,  University of Minnesota (P. McMurry Advisor), 1995

II. EMPLOYMENT HISTORY

Assistant Scientist, Brookhaven National Laboratory 1996-1998

Assistant Professor, School of Earth and Atmospheric Science, GIT 1998-2003

Associate Professor, School of Earth and Atmospheric Science, GIT 2003-2008

Professor, School of Earth and Atmospheric Science, GIT 2008-

III. HONORS AND AWARDS

NASA Global Change Fellowship 1991
Whitby Award, American Association for Aerosol Research, 2004
Group Achievement Award, National Aeronautics and Space Administration, 2007
GIT College of Sciences Cullen-Peck Faculty Fellow, 2008
GIT EAS Outstanding Achievement in Research Program Development Award 2008
Group Achievement Award, National Aeronautics and Space Administration, 2009
GIT EAS Outstanding Faculty Research Author Award 2010
American Geophysical Union Ascent Award 2014
Thomson Reuters Highly Cited Researcher 2014
Group Achievement Award, National Aeronautics and Space Administration, 2015
College of Sciences Young Faculty Mentorship Award, 2016
Ben Liu Award, American Association for Aerosol Research, 2016
Clarivate Analytics Highly Cited Researcher 2017.
Guo, Weber, Nenes; High levels of ammonia… 2017 paper cited as one of the top 100 read Earth sciences papers for Scientific Reports in 2017.
Aerosol Science and Technology Editors’ selection of Notable 2017 Papers, Zhang et al, 2017 3D printer emissions paper.
Aerosol Science and Technology 2018 Outstanding Reviewer Award
Aerosol Science and Technology Editors’ annual selection of Notable 2018 Papers, Zhang et al, 2018 3D printer emissions modeling.
Clarivate Analytics Highly Cited Researcher 2019.
Group Achievement Award, National Aeronautics and Space Administration, Atmospheric Tomography Mission, 2019
Clarivate Analytics Highly Cited Researcher 2020.

IV. RESEARCH, SCHOLARSHIP, AND CREATIVE ACTIVITIES

A. REFEREED PUBLICATIONS

A1. Books
A2. Refereed Book Chapters

1. Weber, R. J. T. Fang, W. Verma, Insights on Aerosol Oxidative Potential from Measurements of Particle Size Distributions, Chapt. 20, pp 417-437, Multiphase Envi. Chem. In the Atmos, Editors S. Hunt, A. Laskin, S. A. Nizkorodov, Vol 1299, Nov. 1, 2018, Amer. Chem Society.
2. Verma, V., C. Siotas, R. J. Weber, Oxidative Properties of Ambient Particulate Matter-An Assessment of the Relative Contributions From Various Aerosol Components and Their Emission Sources, Chapt. 19, pp389-416, Multiphase Envi. Chem. In the Atmos, Editors S. Hunt, A. Laskin, S. A. Nizkorodov, Vol 1299, Nov. 1, 2018, Amer. Chem Society.

A3. Edited Volumes

1. Weber, R. J., News and Views: Potentially harmful aerosols concentrate in European urban centres, Nature, 587, 369-370, 2020.

B. REFEREED PUBLICATIONS AND SUBMITTED ARTICLES

B.1 Published and Accepted (underscore indicates Weber graduate student or post doc)

1. Chen, Y., M. Takeuchi, T. Nah, L. Xu, M. R. Canagaratna, H. Stark, F. Canonaco, A. S. H. Prévôt, L. G. Huey,R. J. Weber, and N. L. Ng, Chemical Characterization of Secondary Organic Aerosol at a Rural Site in the Southeastern U.S.: Insights from Simultaneous HR-ToF-AMS and FIGAERO-CIMS Measurements, Atmos Chem Phys, 20, 8421-8440, 2020.
2. Gao, D., J. A. Mulholland, A. G. Russell, and R. J. Weber, Characterization of water-insoluble oxidative potential of PM2.5 using the dithiothreitol assay, Atmos. Env., 224, 117327, 2020.
3. Gao, D., K. J. G. Pollitt, J. A. Mulholland, A. G. Russell, and R. J. Weber, Characterization and comparison of PM2.5 oxidative potential assessed by two acellular assays, Atmos Chem Phys, 20, 5197-5210, 2020.
4. Haskins, J. D., F. D. Lopez-Hilfiker, B. H. Lee, V. Shaw, G. M. Wolfe, J. DiGangi, D. Fibiger, E. E. McDuffie, P. Veres, J. C. Schroder, Campuzano-Jost, D. A. Day, J. Jimenez, A. Weinheimer, T. Sparks, C. Ebben, R. C. Cohen, T. Campos, A. Sullivan, H. Guo, R. Weber, J. Dibb, J. Greene, M. Fiddler, S. Bililign, L. Jaegle, S. S. Brown, and J. A. Thornton, Anthropogenic control over wintertime oxidation of atmospheric pollutants, Geophys. Res. Lett., 46, 14826-14835, 2020.
5. Moutinho, J. L., D. Liang, R. Golan, S. T. Ebelt, R. J. Weber, J. A. Sarnat, and A. G. Russell, Evaluating a multipollutant metric for use in characterizing traffic-related T air pollution exposures within near-road environments, Envir. Res., 184, 109389, 2020.
6. Moutinho, J. L., D. Liang, R. Golan, S. E. Sarnat, R. Weber, J. A. Sarnat, and A. G. Russell, Near-road vehicle emissions air quality monitoring for exposure modeling, Atmos. Env., 224, 117318, 2020.
7. Nenes, A., S. N. Pandis, R. J. Weber, and A. Russell, Aerosol pH and liquid water content determine when particulate matter is sensitive to ammonia and nitrate availability, Atmos. Chem. Phys., 20, 3249-3258, 2020.
8. Pye, H. O. T., A. Nenes, B. Alexander, A. Ault, M. Barth, S. Clegg, J. Collett, K. Fahey, C. Hennigan, H. Herrmann, M. Kanakidou, J. Kelly, I. Ku, V. F. McNeill, N. Riemer, T. Schaefer, G. Shi, A. Tilgner, J. T. Walker, T. Wang, R. Weber, J. Xing, R. Zaveri, and Z. Zuend, The acidity of atmospheric particles and clouds, Atm. Chem. Phys., 20, 4809-4888, 2020.
9. Wong, J. P. S., Y. Yang, T. Fang, J. A. Mulholland, A. Russell, S. Ebelt, A. Nenes, and R. J. Weber, Fine particle iron in soils and road dust is modulated by coal-fired power plant sulfur, Envir. Sci Technol., https://dx.doi.org/10.1021/acs.est.0c00483, 2020.
10. Zeng, L., A. Zhang, Y. Wang, N. Wagner, J. Katich, J. Schwarz, G. Schill, C. Brock, K. Froyd, D. Murphy, C. Williamson, A. Kupc, E. Scheuer, J. Dibb, and R. J. Weber, Global Measurements of Brown Carbon and Estimated Direct Radiative Effects, Geophys. Res. Lett., 47, e2020GL088747, 2020.
11. Zhang, A., Y. Wang, Y. Zhang, R. J. Weber, Y. Song, Z. Ke, and Y. Zou, Modeling global radiative effect of brown carbon: A larger heating source in the tropical free troposphere than black carbon, Atmos. Chem. Phys., https://doi.org/10.5194/acp-2019-594, 2020.
12. Bates, J. T., T. Fang, V. Verma, L. Zeng, R. J. Weber, P. E. Tolbert, J. Y. Abrams, S. E. Sarnat, M. Klein, J. A. Mulholland, and A. G. Russell, Review of Acellular Assays of Ambient Particulate Matter Oxidative Potential: Methods and Relationships with Composition, Sources, and Health Effects, Env Sci. Tech., 53, 4003-4019, 2019.

12. Battaglia, M. A., R. J. Weber, A. Nenes, and C. J. Hennigan, Effects of water-soluble organic carbon on aerosol pH, Atmos. Chem. Phys., 19, 14607-14620, 2019.
13. Davis, A. Y., Q. Zhang, J. P. S. Wong, R. J. Weber, and M. S. Black, Characterization of volatile organic compound emissions from consumer level material extrusion 3D printers, Building and Environ., 160, 106209, 2019.
14. Fang, T., P. S. J. Lakey, R. J. Weber, and M. Shiraiwa, Oxidative potential of particulate matter and generation of reactive oxygen species in epithelial lining fluid, Env Sci. Tech., DOI: 10.1021/acs.est.1029b03823, 2019.
15. McDaniel, M. F. M., E. D. Ingall, P. L. Morton, E. Castrorina, R. J. Weber, R. U. Shelley, W. M. Landing, A. F. Longo, Y. Feng, and B. Lai, Relationship between atmospheric aerosol mineral surface area and iron solubility, ACS Earth and Space Chem., 3(11), 2443-2451, 2019.
16. Moravek, A., J. G. Murphy, A. Hrdina, J. C. Lin, C. Pennell, A. Franchin, A. M. Middlebrook, D. L. Fibiger, C. C. Womack, E. E. McDuffie, R. Martin, K. Moore, M. Baasandorj, and S. S. Brown, Wintertime spatial distribution of ammonia and its emission sources in the Great Salt Lake region, Atmos. Chem. Phys., 19, 15691-15709, 2019.
17. Paraskevopoulou, D., A. Bougiatioti, I. Stavroulas, T. Fang, M. Lianou, E. Liakakou, R. J. Weber, A. Nenes, and N. Mihalopoulos, Yearlong variability of oxidative potential of particulate matter in an urban Mediterranean environment, Atmos. Env., 206, 183-196, 2019.
18. Sullivan, A. P., H. Guo, J. Schroder, P. Campuzno-Jost, J. L. Jimenez, T. Campos, V. Shah, L. Jaegle, B. H. Lee, F. D. Lopez-Hilfeker, J. A. Thronton, S. S. Brown, and R. J. Weber, Biomass Burning Markers and Residential Burning in the WINTER Aircraft Campaign, J. Geophys. Res. Atmos., 124, 1846-1861, 2019.
19. Wong, J. P. S., M. Tsgaraki, I. Tsiodra, N. Mihalopoulos, K. Vilaki, M. Kanakidou, J. Sciare, A. Nenes, and R. J. Weber, Atmospheric evolution of molecular weight separated brown carbon from biomass burning, Atm. Chem. Phys., 19, 7319-7334, 2019.
20. Xu, J., J. Chen, Y. Shi, N. Zhao, X. Qin, G. Yu, J. Liu, Y. lin, Q. Fu, R. J. Weber, S. L. Clegg, C. Deng, and K. Huang, First continuous measurement of gaseous and particulate formic acid in a suburban area of East China: Seasonality, gas-particle partitioning and impact on aerosol properties, Earth Space Chem., DOI: 10.1021/acsearthspacechem.9b00210, 2019.
21. Zhang, Q., M. Pardo, Y. Rudich, I. Kaplan-Ashiri, J. P. S. Wong, A. Y. Davis, M. S. Black, and R. J. Weber, Chemical Composition and Toxicity of Particles Emitted from a Consumer-level 3D Printer using Various Materials, Env Sci. Tech., 10.1021/acs.est.9b04168, 2019.
22. Guo, H., A. Nenes, and R. J. Weber, The underappreciated role of nonvolatile cations on aerosol ammonium-sulfate molar ratios Atmos. Chem. Phys., 18, 17307-17323, 2018.
23. Guo, H., R. Otjes, P. Schlag, A. Kiendler-Scharr, A. Nenes, and R. J. Weber, Effectiveness of ammonia reduction on control of fine particle nitrate, Atm. Chem. Phys., 18, 12241-12256, 2018.
24. Haskins, J. D., L. Jaegle, V. Shah, B. H. Lee, F. D. Lopez-Hilfiker, P. Compuzano-Jost, J. C. Schroder, D. Day, H. Guo, A. Sullivan, R. Weber, J. Dibb, T. Campos, J. L. Jimenez, S. S. Brown, and J. A. Thronton, Inorganic Chlorine Budget and Gas-Particle Partitioning in the Winter Lower Troposphere over the Northeast United States, J. Geophys. Res., 123, 12,897-812,916, 2018.
25. Hettiyadura, A., F. Jayarathne, L. Xu, K. Skog, H. Guo, R. J. Weber, A. Nenes, F. N. Keutsch, N. L. Ng, and E. A. Stone, Source Apportionment of Organic Carbon in Centreville, AL using Organosulfates in Organic Tracer-based Positive Matrix Factorization, Atmos. Env., 186, 74-88, 2018.
26. Jaegle, L., V. Shah, F. D. Lopez-Hilfiker, B. H. Lee, J. A. Thronton, E. McDuffie, D. Fibiger, S. S. Brown, P. Veres, T. Sparks, C. Ebben, P. J. Wooldridge, R. C. Cohen, A. Weinheimer, T. Campos, D. D. Montzka, J.
27. Digangi, G. M. Wolfe, T. Hanisco, J. Schroder, P. Campuzano-Jost, D. A. Day, J. L. Jimenez, A. Sullivan, H. Guo, and R. J. Weber, Nitrogen oxides emissions, chemistry, and deposition over the Northeast United States during the WINTER aircraft campaign, J. Geophys. Res., 123, 12,368-312,393, 2018.

28. Lawal, A., X. Guan, C. Liu, L. Henneman, V. Bhogineni, R. J. Weber, A. Nenes, and A. G. Russell, Linked Response of aerosol acidity and Ammonia to SO2 and NOx Emissions Reductions in the US, Envir. Sci Technol., 52, 9861-9873, 2018.
29. McDufflie, E. E., D. L. Fibiger, W. P. Dube, F. Lopez-Hilfiker, B. H. Lee, V. Shah, L. Jaegle, H. Guo, R. J. Weber, J. M. Reeves, A. J. Weinheimer, J. C. Schroder, P. Campuzano-Jost, J. L. Jimenez, J. E. Dibb, P. Veres, C. Ebben, T. L. Sparks, P. J. Wooldridge, R. C. Cohen, R. S. Hornbrook, E. C. Apel, T. Campos, S. R. Hall, K. Ullmann, J. A. Thronton, and S. S. Brown, ClNO2 yields from aircraft measurements during the 2015 WINTER campaign and critical evaluation of current parameterizations, J. Geophys. Res., 123, 12,994-913,015, 2018.
30. Nah, T., Y. Ji, D. J. Tanner, H. Guo, A. P. Sullivan, N. L. Ng, R. J. Weber, and L. G. Huey, Real-time measurements of gas-phase organic acids using SF6- chemical ionization mass spectrometry, Atmos. Meas. Tech., 11, 5087-5104, 2018.
31. Nah, T., H. Guo, A. P. Sullivan, Y. Chen, D. J. Tanner, A. Nenes, A. Russell, N. L. Ng, L. G. Huey, and R. J. Weber, Characterization of Aerosol Composition, Aerosol Acidity and Water-soluble Organic Acids at an Agriculture-intensive Rural Southeastern U.S. Site, Atm. Chem. Phys. , 18, 11471-11491, 2018.
32. Schroder, J. C., P. Campuzano-Jost, D. A. Day, V. Shah, K. Larson, J. M. Sommers, A. P. Sullivan, T. Compos, J. M. Reeves, A. Hills, R. S. Hornbrook, N. J. Blake, E. Scheuer, H. Guo, D. L. Fibiger, E. E. McDuffle, P. L. Hayes, R. J. Weber, J. E. Dibb, E. C. Apel, L. Jaegle, S. S. Brown, J. A. Thronton, and J. L. Jimenz, Sources and Secondary Production of Organic Aerosols in the Northeastern US during WINTER, J. Geophys. Res., 123, 7771-7796, 2018.
33. Shah, V., L. Jaegle, F. D. Lopex-Hilfiker, B. H. Lee, J. A. Thornton, J. C. Schroder, P. Campuzano-Jost, J. L. Jimenez, H. Guo, A. P. Sullivan, R. J. Weber, J. Green, M. Fiddler, and S. Bililign, Weak Response of Atmospheric Sulfate and Nitrate Particles to Emission Reductions over the Eastern U.S. during Winter, P. Natl. Acad. Sci., www.pnas.org/cgi/doi/10.1073/pnas.1803295115, 2018.
34. Vasilakos, P., A. Russell, R. J. Weber, and A. Nenes, Understanding nitrate formation in a world with less sulfate, Atmos. Chem. Phys., 18, 12765-12775, 2018.
35. Wang, X., C. L. Heald, J. Liu, R. J. Weber, P. Campuzano-Jost, J. L. Jimenez, J. P. Schwarz, and A. E. Perring, Exploring the observational constraints on the simulation of brown carbon, Atm. Chem. Phys., 18, 635- 653, 2018.
36. Ye, D., M. Klein, J. A. Mulholland, A. G. Russell, R. J. Weber, E. S. Edgerton, H. H. Chang, J. A. Sarnat, P. E. Tolbert, and S. E. Sarnat, Estimating acute cardiovascular effects of ambient PM2.5 metals, Envir. Health Perspectives, https://doi.org/10.1289/EHP2182, 2018.
37. Zhang, H., L. Yee, B. Lee, M. Curtis, D. Worton, G. Isaacman-VanWertz, J. Offenberg, M. Lewandowski, T. E. Kleindienst, M. Beaver, A. Holder, W. Lonneman, K. Docherty, M. Jaoui, H. Pye, W. Hu, D. Day, P. Campuzano-Jost, J. Jimenez, H. Guo, R. Weber, J. deGouw, A. Koss, E. Edgerton, W. Brune, C. Hohr, F. Lopez-Hilfiker, A. Lutz, N. Kreisberg, S. Spielman, S. Hering, K. Wilson, J. Thornton, and A. Goldstein, Monoterpenes are the largest source of summertime organic aerosol in the southeastern United States, P. Natl. Acad. Sci., 115(9), 2038-2043, 2018.
38. Zhang, Q., G. Sharma, J. S. Wong, A. Y. Davis, M. S. Black, P. Biswas, and R. J. Weber, Investigating particle emissions and aerosol dynamics from a consumer fused deposition modeling 3D printer with a lognormal moment aerosol model, Aeosol Sci. Technol., 52(10), 1099-1111, 2018.
39. Abrams, J., R. J. Weber, M. Klein, S. E. Samat, H. H. Chang, M. J. Strickland, V. Verma, T. Fang, J. T. Bates, J. A. Mulholland, A. G. Russell, and P. E. Tolbert, Associations between ambient fine particulate oxidative potential and cardiorespiratory emergency department visits, Envir. Health Perspectives, https://doi.org/10.1289/EHP1545, 2017.

40. Tuet, W. Y., U. Chen, S. Fok, D. Gao, R. J. Weber, J. A. Champion, and N. L. Ng, Chemical and cellular oxidant production induced by naphthalene secondary organic aerosol (SOA): Effect of redox-active metals and photochemical aging, Scientific Reports, 7, DOI:10.1038/s41598-41017-15071-41598, 2017.
41. Guo, H., R. J. Weber, and A. Nenes, High levels of ammonia do not raise fine particle pH sufficiently to yield nitrogen oxide-dominated sulfate production, Sci. Reports, 7, 12109, DOI:10.1038/s41598-017- 11704-0, 2017.
42. Wong, J. P. S., A. Nenes, and R. J. Weber, Changes in light absorptivity of molecular weight separated brown carbon due to photolytic aging, Envir. Sci. Technol, DOI: 10.1021/acs.est.7b01739, 2017.
43. Vreeland, H., R. Weber, M. H. Bergin, R. Greenwald, R. Golan, A. G. Russell, V. Verma, and J. Sarnat, Oxidative Potential of PM2.5 during Atlanta Rush Hour: Measurements of In-Vehicle Dithiothreitol (DTT) Activity, Atmos. Env., 165, 169-178, 2017.
44. Guo, H., R. J. Weber, and A. Nenes, High levels of ammonia do not raise fine particle pH sufficiently to yield nitrogen oxide-dominated sulfate production, Sci. Reports, 7, 12109, DOI:10.1038/s41598-017- 11704-0, 2017.
45. Wong, J. P. S., A. Nenes, and R. J. Weber, Changes in light absorptivity of molecular weight separated brown carbon due to photolytic aging, Envir. Sci. Technol, DOI: 10.1021/acs.est.7b01739, 2017.
46. Gao, D., T. Fang, V. Verma, L. Zeng, and R. J. Weber, A method for measuring total aerosol oxidative potential (OP) with the dithiothreitol assay and comparisons between an urban and roadside site of water-soluble and total OP, Atmos. Meas. Tech., 10, 2821-2835, 2017.
47. Zhang, Q., J. P. S. Wong, A. Y. Davis, M. S. Black, and R. J. Weber, Characterization of particle emissions from consumer fused deposition modeling 3D printers, Aeosol Sci. Technol., 10.1080/02786826.2017.1342029, 2017.
48. Zhang, Y., H. Forrister, J. Liu, J. Dibb, B. Anderson, J. Schwarz, A. A. Perring, J. L. Jimenez, P. Campuzano- Jost, Y. Wang, A. Nenes, and R. J. Weber, Brown Carbon in the Upper Troposphere Affects Top of Atmosphere Radiative Forcing Nature Geoscience, 10.1038/ngeo2960, 2017.
49. Cheng, Y., K. He, G. Engling, R. Weber, J. Liu, Z. Du, and S. Dong, Brown and black carbon in Beijing aerosol: implications for the effects of brown coating on light absorption by black carbon, Sci. of the Total Env., 599-600, 1047-1055, 2017.
50. Guo, H., J. Liu, K. D. Froyd, J. Roberts, P. R. Veres, P. L. Hayes, J. L. Jimenez, A. Nenes, and R. J. Weber (2017), Fine particle pH and gas-particle phase partitioning of inorganics in Pasadena, California, during the 2010 CalNex campaign, Atm. Chem. Phys., 17, 5703-5719, 2017.
51. Fang, T., H. Guo, L. Zeng, V. Verma, A. Nenes, and R. J. Weber, Highly acidic sulfate makes aerosols toxic by dissolving metals, Environ. Sci, Tech. doi: 10.1021/acs.est.6b06151, 2017.
52. Di Lorenzo, R. A., R. A. Washenfelder, A. R. Attwood, H. Guo, L. Xu, S. Ng, R. J. Weber, K. Baumann, E. Edgerton, and C. J. Young, Characterization of biomass burning derived brown carbon from multiple field sites, Envir. Sci. Technol, DOI: 10.1021/acs.est.6b06160, 2017.
53. Tuet, W. Y., Y. Chen, L. Xu, S. Fok, D. Gao, R. J. Weber, and N. L. Ng, Chemical oxidative potential of secondary organic aerosol (SOA) generated from the photooxidation of biogenic and anthropogenic volatile organic compounds, Atm. Chem. Phys., 17, 839–853, 2017.
54. Xu, L., H. Guo, R. J. Weber, and N. L. Ng, Chemical Characterization of Water Soluble Organic Aerosol in Contrasting Rural and Urban Environments in the Southeastern United States, Envir. Sci. Technol, 51, 78- 88, 2017.
55. Pye, H. O. T., B. N. Murphy, L. Xu, N. L. Ng, A. M. Carlton, H. Guo, R. Weber, P. Vasilakos, K. W. Appel, S. H. Budisulistiorini, J. D. Surratt, A. Nenes, W. Hu, J. L. Jimenez, G. Isaacman-VanWertz, P. Misztal, and A. H. Goldstein, On the implications of aerosol liquid water and phase separation for organic aerosol mass, Atmos Chem Phys, 17, 343-369, 2017.

56. Jai Devi, J., M. H. Bergin, M. Mckenzie, J. J. Schauer, and R. J. Weber, The contribution of particulate brown carbon to light absorption in the rural and urban southeastern US, Atmos. Env., 136, 95-104, 2016.
57. Sarnat, S. E., H. H. Chang, and R. J. Weber, Editorial: Ambient PM2.5 and Health: Does PM2.5 Oxidative Potential Play a Role?, Am J Resp Crit Care Med, 194, 530-531, 2016.
58. Guo, H., A. P. Sullivan, P. Campuzano-Jost, J. C. Schroder, F. D. Lopez-Hilfiker, J. E. Dibb, J. L. Jimenez, J. A. Thornton, S. S. Brown, A. Nenes, and R. J. Weber, Fine particle pH and the partitioning of nitric acid during winter in the northeastern United States, J. Geophys. Res., 121, doi:10.1002/2016JD025311, 2016.
59. Longo, A. F., D. J. Vine, L. E. King, M. Oakes, R. J. Weber, L. G. Huey, A. G. Russell, and E. D. Ingall Composition and oxidation state of sulfur in atmospheric particulate matter, Atmos. Chem. Phys., 16, 13389-13398, 2016.
60. Liu, X., Y. Zhang, L. G. Huey, R. J. Yokelson, Y. Wang, J. L. Jimenez, P. Campuzano-Jost, A. J. Beyersdorf, D. R. Blake, Y. Choi, J. D. Crounse, D. A. Day, G. S. Diskin, A. Fried, S. R. Hall, T. F. Hanizco, L. E. King, S. Meinardi, T. Mikoviny, B. B. Palm, J. Peischl, A. E. Perring, I. B. Pollack, T. B. Ryerson, B. Sachse, J. P. Schwarz, I. J. Simpson, D. J. Tanner, K. L. Thornhill, K. Ullmann, R. J. Weber, P. O. Wennberg, A. Wisthaler, G. M. Wolfe, and L. D. Ziemba, Agricultural fires in the southeastern US during SEC4RS: Emissions of trace gases and particles, evolution of oxone, reacitve nitrogen and organic aerosol, J. Geophys. Res., 121, 7383-7414, 2016.
61. Xu, L., A. M. Middlebrook, J. Liao, J. A. d. Gouw, H. Gue, R. J. Weber, A. Nenes, J. B. Nowak, I. B. Pollack, A. Welti, M. Graus, C. Warneke, and N. L. Ng (2016), Enhanced formation of isoprene-derived organic aerosol in sulfur-rich power plant plumes during Southeast Nexus, J. Geophys. Res. Atmos., 121(18), 11,137-111,153, 2016.
62. Violaki, K., T. Fang, N. Mihalopoulos, R. J. Weber, and A. Nenes, Real-Time, Online Automated System for Measurement of Water- Soluble Reactive Phosphate Ions in Atmospheric Particles, Analytical Chem., 88, 7163-7170, 2016.
63. Lee, B. H., C. Mohr, F. D. Lopez-Hilfiker, A. Lutz, M. Hallquist, L. Lee, P. Romer, R. C. Cohen, S. Iyer, T. Kurtén, W. W. Hu, D. A. Day, P. Campuzano-Jost, J. L. Jimenez, L. Xu, N. L. Ng, H. Guo, R. J. Weber, R. J. Wild, S. S. Brown, A. Koss, J. d. Gouw, K. Olson, A. H. Goldstein, R. Seco, S. Kim, K. McAvey, P. B. Shepson, T. Starn, K. Baumann, E. S. Edgerton, J. Liu, J. E. Shilling, D. O. Miller, W. Brune, S. Schobesberger, E. L. D’Ambro, and J. A. Thornton, Highly functionalized organic nitrates in the Southeast U.S.: contribution to secondary organic aerosol and reactive nitrogen budgets, Proceedings of the National Academy of Sciences, 113, 1516-1521, 2016.
64. Rattanavaraha, W., K. Chu, S. H. Budisulistiorini, M. Riva, Y.-H. Lin, E. S. Edgerton, K. Baumann, S. L. Shaw, G. Guo, L. King, R. J. Weber, E. A. Stone, M. E. Neff, J. H. Offenberg, Z. Zhang, A. Gold, and J. D. Surratt, Assessing the impact of anthropogenic pollution on isoprene-derived secondary organic aerosol formation in PM2.5 collected from the Birmingham, Alabama ground site during the 2013 Southern Oxidant and Aerosol Study, Atmos. Chem. Phys. Disc., 16, 4897-4914, 2016.
65. Weber, R. J., H. Guo, A. G. Russell, and A. Nenes, High aerosol acidity despite declining atmospheric sulfate concentrations over the past 15 years, Nature Geo. Sci., 9(10.1038/ngeo2665), 282-285, 2016.
66. Fang, T., V. Verma, J. T. Bates, J. Abrams, M. Klein, M. J. Strickland, S. E. Sarnat, H. H. Chang, J. A. Mulholland, P. E. Tolbert, A. G. Russell, and R. J. Weber, Oxidative potential of ambient water-soluble PM2.5 measured by Dithiothreitol (DTT) and Ascorbic Acid (AA) assays in the southeastern United States: contrasts in sources and health associations, Atmos. Chem. Phys., 16, 3865–3879, 2016.
67. Bougiatioti, A., P.Nikolaou, I. Stavroulas, G. Kouvarakis, A. Nenes, R. Weber, M. Kanakidou, and N. Mihalopoulos, Particle water and pH in the Eastern Mediterranean: sources variability and implications for nutrients availability, Atm. Chem. Phys., 16, 4579-4591, 2016.

68. Cheng, Y., K.-b. He, Z.-y. Du, G. Engling, J.-m. Liu, Y.-l. Ma, M. Zheng, and R. J. Weber, The characteristics of brown carbon aerosol during winter in Beijing, Atmos. Env., 127, 355-364, 2016.
69. Bates, J. T., R. J. Weber, J. Abrams, V. Verma, T. Fang, M. Klein, M. J. Strckland, S. Sarnat, H. Chang, J. A. Mulholland, P. E. Tolbert, and A. G. Russell, Reactive Oxygen Species in Atmospheric Particulate Matter Suggest a Link to Cardiorespiratory Effects, Envir. Sci. Technol, DOI: 10.1021/acs.est.1025b02967, 2015.
70. Fang, T., H. Guo, V. Verma, R. E. Peltier, and R. J. Weber, PM2.5 Water-Soluble Elements in the Southeastern United States: Automated Analytical Method Development, Spatiotemporal Distributions, Source Apportionment, and Implications for Heath Studies, Atm. Chem. Phys., 15, 11667–11682, 2015.
71. Verma, V., Y. Wang, R. El-Afifi, T. Fang, J. Rowland, A. G. Russell, and R. J. Weber, Fractionating Ambient Humic-like Substances (HULIS) for their reactive oxygen species activity – Assessing the importance of quinones and atmospheric aging on particulate matter toxicity, Atmos. Env., 120, 351-359, 2015.
72. Cerully, K., A. Bougiatioti, H. Guo, L. Xu, J. R. Hite, N. L. Ng, R. J. Weber, and A. Nenes, On the link between hygroscopicity, volatility and aerosol oxidation state of ambient and water-soluble aerosol in the southeastern United States, Atm. Chem. Phys., 8679-8694, 2015.
73. Liu, J., W. Scheuer, J. Dibb, G. Diskin, L. Ziemba, K. L. Thornhill, B. Anderson, A. Wisthaler, T. Mikoviny, J. Jaidevi, M. Bergin, A. Perring, M. Markovic, J. Schwarz, P. Campuzano-Jost, D. Day, J. L. Jimenez, and R. J. Weber, Brown Carbon Aerosol in the North American Continental Troposphere: Sources, Abundance, and Radiative Forcing, Atmos. Chem. Phys., 15, 7841-7858, 2015.
74. Xu, L., S. Suresh, H. Guo, R. J. Weber, and N. L. Ng, Aerosol characterization over the southeastern United States using high resolution aerosol mass spectrometry: spatial and seasonal variation of aerosol composition, sources, and organic nitrates, Atm. Chem. Phys., 15, 7307-7336, 2015.
75. Forrister, H., J. Liu, E. Scheuer, J. Dibb, L. Ziemba, K. L. Thornhill, B. Anderson, G. DIskin, A. Perring, J. Shwarz, P. Campuzano-Jost, L. Jiminez, A. Nenes, and R. J. Weber, Evolution of brown carbon in a wildfire plume, Geophys. Res. Lett., 10.1002/2015GL063897, 2-15, 2015.
76. Guo, H., L. Xu, A. Bougiatioti, K. M. Cerully, S. L. Capps, J. R. Hite, A. G. Carlton, S.-H. Lee, M. H. Bergin, N. L. Ng, A. Nenes, and R. J. Weber, Predicting particle water and pH in the southeastern United States, Atmos. Chem. Phys., 15, 5211–5228, 2015.
77. Yuan, B., P. R. Veres, C. Warneke, J. M. Roberts, J. B. gilman, A. Koss, P. E. Edwards, M. Graus, W. C. Kuster, S.-M. Li, R. J. Wild, S. S. Brown, W. P. Dube, B. M. Lerner, E. J. Williams, J. E. Johnson, P. K. Quinn, T. S. Bates, B. Lefer, P. L. Hayes, J. L. Jimenez, R. J. Weber, R. Zamora, B. Ervens, D. B. Mille, B. Rappengluch, and J. A. d. Gouw, Investigation of secondary formation of formic acid: urban environment vs. oil and gas producing region, Atm. Chem. Phys., 15, 1975-1993, 2015.
78. Verma, V., T. Fang, X. Lu, N. Lee, R. E. Peltier, A. Russell, and R. J. Weber, Identification of Organic Aerosol Components Contributing to the Particle Associated Reactive Oxygen Species based on Aerosol Mass Spectrometry and DTT Activity, Environ. Sci. Technol., DOI: 10.1021/es505577w, 2015.
79. Taylor, J., J. D. Allan, D. Liu, M. Flynn, R. Weber, X. Zhang, B. L. Lefer, N. Grossberg, J. Flynn, and H. Coe, Assessment of the sensitivity of core / shell parameters derived using the single-particle soot photometer to density and refractive index, Atmos. Meas. Tech., 8, 1701-1718, 2015.
80. Hennigan, C. J., J. Izumi, A. P. Sullivan, R. J. Weber, and A. Nenes, A critical evaluation of proxy methods used to estimate the acidity of atmospheric particles, Atm. Chem. Phys. Discuss., 15, 1-15, 2015.
81. Fang, T., V. Verma, H. Guo, L. E. King, E. S. Edgerton, and R. J. Weber, A Semi-automated System for Quantifying the Oxidative Potential of Ambient Particles in Aqueous Extracts Using the dithiothreitol (DTT) assay: Results from the Southeastern Center for Air Pollution and Epidemiology (SCAPE), Atmos. Meas. Tech.., 8, 471-482, 2015.
82. Xu, L., H. Guo, C. Boyd, M. Klein, A. Bougiatioti, K. Cerully, J. Hite, B. Isaacman, C. Knote, K. Olson, A. Koss, A. Goldstein, J. d. Gouw, K. Baumann, S. Lee, A. Nenes, R. J. Weber, and N. L. Ng, Effects of anthropogenic emissions on aerosol formation from isoprene and monoterpenes in the southeastern United States: Insights from SOAS and Beyond, P. Natl. Acad. Sci. 112, 37-42, 2015.
83. Washenfelder, R. A., A. R. Attwood, C. A. Brock, H. Guo, L. Xu, R. J. Weber, N. L. Ng, H. M. Allen, W. R. Ayres, K. Baumann, R. C. Cohen, D. C. Draper, K. C. Duffey, E. Edgerton, J. L. Fry, W. W. Hu, J. L. Jimenez, B. B. Palm, P. Romer, E. A. Stone, P. J. Wooldridge, and S. S. Brown, Biomass burning dominates brown carbon absorption in the rural southeastern United States, Geophys. Res. Lett., 10.1002/2014GL062444, 2015.

83. Verma, V., T. Fang, H. Guo, L. King, J. T. Bates, R. E. Peltier, E. Edgerton, A. J. Russell, and R. J. Weber (2014), Reactive Oxygen Species Associated with Water-Soluble PM2.5 in the Southeastern United States: Spatiotemporal Trends and Source Apportionment, Atm. Chem. Phys., 14, 12915-12930, 2014.
84. Staudt, S., S. Jundu, H.-J. Lehmler, x. He, T. Cui, Y.-H. Lin, K. Kristensen, M. Glasius, X. Zhang, R. J. Weber, J. D. Durratt, and E. A. Stone, Aromatic organosulfates in atmospheric aerosols: Synthesis, characterization, and abundance, Atmos. Env., 94, 366-373, 2014.
85. Nguyen TKV, Petters MD, Suda SR, Guo H, Weber RJ, Carlton AG. Trends in particle phase liquid water during the southern oxidant and aerosol study. Atm Chem Phys, 14, 10911-10930, 2014.
86. De Santiago, A., A. F. Longo, E. D. Ingal, J. M. Diaz, L. E. King, B. Lai, R. J. Weber, A. G. Russell, and M. Oakes, Characterization of Selenium in Ambient Aerosols and Primary Emission Sources, Envir. Sci. Technol, 48, 8988-8994, 2014.
87. Du, Z., K. He, Y. Cheng, F. Duan, Y. Ma, J. Liu, X. Zhang, M. Zheng, and R. J. Weber, A yearlong study of water-soluble organic carbon in Beijing II: Light absorption properties, Atmos. Env., 89, 235-241, 2014.
88. Du, Z., K. He, Y. Cheng, F. Duan, Y. Ma, J. Liu, X. Zhang, M. Zheng, and R. J. Weber, A yearlong study of water-soluble organic carbon in Beijing I: Sources and its primary vs. secondary nature, Atmos. Env., 92, 514-521, 2014.
89. Kelly, J. T., K. R. Baker, J. B. Nowak, J. G. Murphy, M. Z. Markovic, T. C. VandenBoer, R. A. Ellis, J. A. Neuman, R. J. Weber, J. M. Roberts, P. R. Veres, J. A. d. Gouw, M. R. Beaver, S. Newman, and C. Misenis, Fine-scale simulation of ammonium and nitrate over the South Coast Air Basin and San Joaquin Valley of California during CalNex-2010, J. Geophys. Res., 116, 3600–3614, doi:3610.1002/ 2013JD021290, 2014.
90. Liu, J., E. Scheuer, J. E. Dibb, L. D. Ziemba, K. L. Thornhill, B. E. Anderson, A. Wisthaler, T. Mikoviny, J. J. Devi, M. Bergin, and R. J. Weber, Brown cabon in the continential troposphere, Geophys. Res. Lett., 41s doi: 10.1002/2013GL058976, 2014.
91. Zotter, P., I. El-Haddad, Y. Zhang, P. L. Hayes, X. Zhang, Y.-H. Lin, L. Wacker, j. Schnelle-Kreis, G. Abbaszade, R. Zimmermann, J. D. Surratt, R. J. Weber, J. l. Jemenez, S. Szidat, U. Baltensperger, and A. S. h. Prevot, Diurnal cycle of fossile and nonfossil carbon using radiocarbon analyses during CalNex, J. Geophys. Res., 119, 10.1002/ 2013JD021114, 2014.
92. Zheng, M., X. Zhao, Y. Cheng, C. Yan, W. Shi, Z. Zhang, R. J. Weber, J. J. Schauer, X. Wang, and E. S. Edgerton, Sources of primary and secondary organic aerosol and their diurnal variations, J. Hazardous Materials, 264, 536-544, 2014.
93. Cheng, Y., G. Engling, K. He, F. Buan, Z. Du, Y. Ma, L. Liang, Z. Lu, J. Liu, and R. J. Weber, The characteristics of Beijing aerosol during two distinct episodes: Impacts of biomass burning and fireworks, Envir. Pollution, 185, 149-157, 2014.
94. Balachandran, S., J. E. Pachon, S. Lee, M. M. Oakes, N. Tastogi, W. Shi, E. Tagaris, B. Yan, A. Daveis, X. Zhang, R. J. Weber, J. A. Mulholland, M. H. Bergin, M. Zheng, and A. G. Russell, Particulate and gas sampling of prescribed fires in South Georgia, USA, Atmos. Env., 81, 125-135, 2013.
95. Budisulistiorini, S. H., M. R. Canagaratna, P. L. Croteau, K. Baumann, E. S. Edgerton, M. S. Kollman, N. L. Ng, V. Verma, S. L. Shaw, E. M. Knipping, D. R. Worsnop, J. T. Jayne, R. J. Weber, and J. D. Surratt, Intercomparison of an Aerosol Chemical Speciation Monitor (ACSM) with Ambient Fine Aerosol Measurements in Downtown Atlanta, Georgia, Atm. Meas. Tech., 7(7), 11181-11213, 2014.
96. You, Y., V. P. Kanawade, J. A. d. Gouw, A. B. Guenther, S. Madronich, M. R. Sierra-Hernandez, M. Lawler, J. N. Smith, S. Takahama, G. Ruggeri, A. Koss, K. Olson, K. Baumann, R. J. Weber, A. Nenes, H. Guo, E. S. Edgerton, L. Porcelli, W. H. Brune, A. H. Goldstein, and S.-H. Lee, Atmospheric amines and ammonia measured with a Chemical Ionization Mass Spectrometer (CIMS), Atmos. Chem. Phys., 14(22), 12181-12194, 2014.

98. Hayes, P., A. M. Ortega, M. J. Cubison, W. Hu, D. W. Toohey, J. H. Flynn, B. L. Lefer, N. Grossberg, S.Alvarez, B. Rappengluck, J. Taylor, J. D. Allan, J. S. Hoooway, J. B. Gilman, W. C. Kuster, J. A. d. Gouw, P. Massoli, X. Zhang, J. Liu, R. J. Weber, A. Corrigan, L. M. Russell, y. Zhao, S. S. Cliff, A. S. Wexler, G. Isaacman, D. R. Worton, N. M. Kreisber, S. V. Hering, A. H. Goldstein, R. Thalman, R. Volkamer, Y. H. Lin, J. D. Surratt, J. H. Offenberg, K. D. Froyd, S. Susanter, S. Friffith, P. S. Stevens, J. Brioude, W. M. Angevine, and J. L. Jimenez, Aerosol Composition and Sources in Los Angeles During the 2010 CalNex Campaign J. Geophys. Res., 118, 9233-9257, 10.1002/jgrd.50530, 2013.
99. Liu, J., M. Bergin, H. Guo, L. King, N. Kotra, E. Edgerton, and R. J. Weber, Size-resolved measurements of brown carbon in water and methanol extracts and estimates of their contribution to ambient fine particle light absorption, Atmos. Chem. Phys., 13, 12389-12404, 2013.

100. Zhang, X., J. Liu, H. Zhang, J. D. Surratt, and R. J. Weber, Sources, Composition and Absorption Angström Exponent of Light-absorbing Organic Components in Aerosol Extracts from the Los Angeles Basin, Environ. Sci. Technol., 47, 3685-3693, 2013.

101. Cheng, Y., G. Engling, F.-K. Duan, K. He, Z. Du, J. Liu, M. Zheng, and R. J. Weber, Biomass burning contribution to Beijing aerosol, Atm. Chem. Phys., 13, 7765-7781, 2013.

102. Verma, V., R. Rico-Martinez, N. Kotra, L. King, T. W. Snell, and R. J. Weber, Investigating Aerosol Ecotoxicity with Freshwater Rotifers (Brachionus calyciflorus) Environ. Pollu.,182, 379-384, 2013.

103. King, L., and R. J. Weber, Development and testing of an online method to measure ambient fine particle reactive oxygen species (ROS) based on the 2’,7’ dichlorofluorescin (DCFH) assay, Atmos. Meas. Tech., 6, 1-12, 2013.

104. Mielke, L. H., J. Stutz, C. Tsai, S. C. Hurlock, J. M. Roberts, P. R. Veres, K. D. Froyd, P. L. Hayes, M. J. Cubison, J. L. Jimenez, R. A. Washenfelder, C. J. Young, J. B. Gilman, J. A. d. Gouw, J. H. Flynn, N. Grossberg, B. L. Lefer, J. Liu, R. J. Weber, and H. D. Osthoff, Heterogeneous formation of nitryl chloride and its role as a nocturnal NOx reservoir species during CalNex-LA 2010, J. Geophys. Res., 118(18), 10.1002/jgrd.50783, 2013.

105. Lathem, T. L., A. J. Byersdorf, K. L. Thronhill, E. L. Winstead, M. J. Cubison, A. Hecobian, J. L. Jimenez, R. J. Weber, B. E. Anderson, and A. Nenes, Analysis of CCN activity of Arctic aerosol and Canadian biomassburning during summer 2008, Atm. Chem. Phys., 13, 2735-2756, 2013.

106. Pachon, J. E., R. J. Weber, X. Zhang, J. A. Mulholland, and A. G. Russell, Revising the use of potassium (K) in the source apportionment of PM2.5, Atm. Pollution Res., 4, 14-21, 2013.

107. Verma, V., R. Rico-Martinez, N. Kotra, L. King, J. Liu, T. W. Snell, and R. J. Weber, Contribution of water-soluble and insoluble components and their hydrophobic/hydrophilic sub-fractions on the ROS- generating potential of fine ambient aerosols, Environ. Sci. Technol., 46, 11384-11392, 2012.

108. Liu, J., X. Zhang, E. Parker, P. R. Veres, J. M. Roberts, J. d. Gouw, P. L. Hayes, J. L. Jimenez, R. Ellis, and R. J. Weber, On the Partitioning of Soluble Organic Aerosol in Two Urban Atmospheres with Contrasting Emissions: Part 2 Gas and Particle Phase Formic Acid, J. Geophys. Res., 117, D00V21, doi:10.1029/2012JD017912, 2012.

109. Zhang, X., J. Liu, E. T. Parker, P. L. Hayes, J. L. Jimenez, J. d. Gouw, J. H. Flynn, N. Grossberg, B. L. Lefer, and R. J. Weber, On the Partitioning of Soluble Organic Aerosol in Two Urban Atmospheres with Contrasting Emissions: Part 1 Bulk Gas and Particle Phase Water-Soluble Organic Carbon, J. Geophys. Res., 117, D00V16, doi:10.1029/2012JD017908, 2012.

110. You, Y., L. Renbaum-Wolff, S. J. Hanna, N. Hiranuma, S. Kamal, M. L. Smith, X. Zhang, R. J. Weber, J. E. Shilling, D. Dabdub, S. T. Martin, and A. K. Bertram, Images reveal that atmospheric particulate material can undergo liquid-liquid phase separations, P. Nat. Acad. Sci., 109, 13188-13193, 2012.

111. Zhang, X., Z. Liu, A. Hecobian, M. Zheng, N. Frank, E. S. Edgerton, and R. J. Weber, Spatial and seasonal variations of fine particle water-soluble organic carbon (WSOC) over the southeastern United States: Implications for secondary organic aerosol formation, Atm. Chem. Phys., 12, 6593-6607, 2012.

112. Thompson, J. E., P. H. Hayes, J. Jimenez, K. Adachi, X. Zhang, J. Liu, R. J. Weber, P. R. Buseck, Aerosol optical properties at Pasadena, CA during CalNex 2010, Atmos. Envir., 55, 190-200, 2012.

113. Zhang, H., Y.-H. Lin, Z. Zhang, X. Zhang, S. L. Shaw, K. Eladio, R. Weber, A. Gold, R. M. Kamens, and J. D. Surratt, Secondary Organic Aerosol Formation from Methacrolein Photooxidation: Roles of NOx Level, Relative Humidity, and Aerosol Acidity, Environ. Chem., 9, 247-262 2012.

114. Oakes, M., E. D. Ingall, B. Lai, M. M. Shafer, M. D. Hays, Z. G. Liu, A. G. Russell, and R. J. Weber, Iron Solubility Related to Single Particle Sulfur Content in Source Emission and Ambient Fine Particles, Environ. Sci. Technol., 46, 6637-6644, 2012.

115. Oakes, M., R. J. Weber, B. Lai, A. T. Russell, and E. D. Ingall, Characterization of iron speciation in single particles using XANES spectroscopy and micro X-ray fluorescence measurements: insight into factors controlling iron solubility, Atm. Chem. Phys., 12, 1-12, 2012.

116. Bahreini, R., A. M. Middlebrook, J. A. D. Gouw, C. Warneke, M. Trainer, C. A. Brock, H. Stark, S. S. Brown, W. P. Dube, J. B. Gilman, K. Hall, J. S. Holloway, W. C. Kuster, A. E. Perring, A. S. H. Prevot, J. P. Schwarz, J. P. Sprackman, S. Szidat, N. L. Wagner, R. J. Weber, P. Zotter, and D. D. Parrish, Gasoline emissions dominate over diesel in formation of secondary organic aerosol mass, Geophys. Res. Lett., 39, L06805, doi:06810.01029/02011GL050718, 2012.

117. Padro, L. T., R. H. Moore, X. Zhang, N. Rastogi, R. J. Weber, and A. Nenes, Mixing state and compositional effects on CCN activity and droplet growth kinetics of size-rsolved CCN in an urban environment, Atm. Chem. Phys., 12, 10239-10255, 2012.

118. Asa-Awuku, A., R. H. Moore, A. Nenes, R. Bahreini, J. S. Holloway, C. A. Brock, A. M. Middlebrook, T. B. Ryerson, J. L. Jimenez, P. F. Decarlo, A. Hecobian, R. J. Weber, R. Stickel, D. J. Tanner, and L. G. Huey, Airborne cloud condensation nuclei measurements during the 2006 Texas Air Quality Study, J. Geophys. Res., 116, D11201, doi:11210.11029/12010JD014874, 2011.

119. Cheng, Y., K. He, M. Zheng, F. Duan, Z. Du, Y. Ma, J. Tan, X. Zhang, R. Weber, M. Bergin, and A. Russell, Optical properties of elemental carbon and water-soluble organic carbon in Beijing, China, Atm. Chem. Phys., 11, 11497-11510, 2011.

120. Cubison, M., A. Ortega, P. Hayes, D. Day, M. Lechner, W. Brune, E. Apel, G. Diskin, J. Fisher, H. Fuelberg, A. Hecobian, D. Knapp, D. Riemer, G. Sachse, W. Sessions, R. Weber, A. Weinheimer, A. Wisthaler, and J. Jimenez, Effects of aging on organic aerosol from open biomass burning smoke in aircraft and lab studies, Atm. Chem. Phys., 11, 12049-12064, 2011.

121. Docherty, K., A. C. Aiken, J. Huffman, I. Ulbrich, P. DeCarlo, D. Sueper, D. R. Worsnop, D. C. Snyder, R. E. Peltier, R. J. Weber, B. D. Grover, D. J. Eatough, B. J. Williams, A. H. Goldstein, P. J. Ziemann, and J. L. Jimenez, The 2005 Study of Organic Aerosols at Riverside (SOAR-1): Instrumental Intercomparisons and Fine Particle Composition, Atm. Chem. Phys. 11, 12387-12420, 2011.

122. Duong, H. T., A. Sorooshian, J. S. Craven, S. P. Hersey, A. R. Metcalf, X. Zhang, R. J. Weber, H. Jonsson, R. C. Flagan, and J. H. Seinfeld, Water-soluble organic aerosol in the Los Angeles Basin and outflow regions: Airborne and ground measurements during the 2010 CalNex field campaign, J. Geophys. Res., 116, D00V04, doi:10.1029/2011JD016674, 2011.

123. Ervens, B., B. Turpin, and R. J. Weber, Secondary organic aerosol formation in cloud drops and aqueous particles (aqSOA): A review of laboratory, field and model studies, Atm. Chem. Phys., 11, 11069-11102, 2011.

124. Heald, C. L., H. Coe, J. L. Jimenez, R. J. Weber, R. Bahreini, A. Middlebrook, L. M. Russell, M. Jolleys, T.-M. Fu, J. D. Allan, K. N. Bower, G. Capes, J. Crosier, W. T. Morgan, N. H. Robinson, P. I. Williams, M. J. Cubison, P. F. DeCarlo, and E. J. Dunlea, Exploring the vertical profile of atmospheric organic aerosol: comparing 17 aircraft field campaigns with a global model, Atm. Chem. Phys., 11, 12673-12696, 2011.

125. Hecobian, A., Z. Liu, C. J. Hennigan, L. G. Huey, J. Jimenez, M. Cubison, S. Vay, G. Diskin, G. Sachse, A. Wisthaler, T. Mikoviny, A. Weinheimer, J. Liao, D. Knapp, A. Kurten, P. Wennberg, J. Crounse, J. S. Clair, Y. Wang, and R. J. Weber, Comparison of chemical characteristics of 495 biomass burning plumes intercepted by the NASA DC-8 aircraft during the ARCTAS/CARB-2008 field campaign, Atm. Chem. Phys., 11, 13325-13337, 2011.

126. Moya, M., S. Madronich, A. Retama, R. Weber, K. Baumann, A. Sullivan, A. Nenes, E. Matias, and M. Castillejos, Identification of chemistry-dependent artifacts on gravimetric fine PM readings at the TI site during the MILAGRO field campaign, Atm. Envir., 45, 244-252, 2011.

127. Rastogi, N., X. Zhang, E. S. Edgerton, E. Ingall, and R. J. Weber, Filterable water-soluble organic nitrogen in fine paticles over the southeastern USA during summer, Atm. Envir., 25, 6040-6047, 2011. 128. Zhang, X., Y.-H. Lin, J. D. Surratt, P. Zotter, A. S. H. Prevot, and R. J. Weber, Light-absorbing soluble

organic aerosol in Los Angeles and Atlanta: A contrast in secondary organic aerosol, Geophys. Res. Lett.,

38, L21810, doi:21810.21029/22011GL049385, 2011.
129. Drury, E., D. J. Jacob, R. J. D. Spurr, J. Wang, Y. Shinozuka, B. E. Anderson, A. D. Clarke, J. Dibb, C.

McNaughton, and R. Weber, Synthesis of satellite (MODIS), aircraft (ICARTT), and surface (IMPROVE, EPA-AQS, AERONET) aerosol observations over eastern North America to improve MODIS aerosol retrevals and constrain aeorsol concentrations and sources, J. Geophys. Res., 115, D14204, 14210.11029/12009JD012629 2010.

130. Hecobian, A., X. Zhang, M. Zheng, N. Frank, E. S. Edgerton, and R. J. Weber, Water-soluble organic aerosol material and the light-absorption characteristics of aqueous extracts measured over the southeastern United States, Atm. Chem. Phys., 10, 5965-5977, 2010.

131. Oakes, M., N. Rastogi, B. J. Majestic, M. Shafer, J. J. Schauer, E. S. Edgerton, and R. J. Weber, Characterization of soluble iron in urban aerosols using near-real time data, J. Geophys. Res., 115, D15302, doi:15310.11029/12009JD012532 2010.

132. Pachon, J. E., S. Balachandran, Y. Hu, R. Shankaran, R. J. Weber, J. A. Mullholland, and A. G. Russell, Comparison of SOC estimates and uncertainties from aerosol chemical composition and gas phase data in Altanta, Atm. Envir., 44, 3907-3914, 2010.

133. Padro, L. T., D. Tkacik, T. Lathem, C. J. Hennigan, A. P. Sullivan, R. J. Weber, L. G. Huey, and A. Nenes, Investigation of CCN relevant properties and droplet growth kinetics of water-soluble aerosol fraction in Mecixo City, J. Geophys. Res., 115, D09204, 09210.01029/02009JD013195, 2010.

134. Zhang, X., A. Hecobian, M. Zheng, N. Frank, and R. J. Weber, Biomass buring impact on PM2.5 over the southeastern U.S.: Integrating chemically speciated FRM filter measurements, MODIS fire counts and PMF analysis, Atm. Chem. Phys., 10, 6839-6853, 2010.

135. Brown, S. S., deGouw, J. A., Warneke, C., Ryerson, T. B., Dube, W. P., Atlas, E., Weber, R. J., Peltier, R., Neuman, J. A., Roberts, J. M., Swanson, A., Flocke, F., McKeen, S. A., Brioude, J., Sommariva, R., Trainer, M., Fehsenfeld, F. C., and Ravishankara, A. R.: Nocturnal isoprene oxidation over the Northeastern United States and its impact on reactive nitrogen partitioning and secondary organic aerosol, Atm. Chem. Phys., 9, 3027-3042, 2009.

136. de Gouw, J. A., Welsh-Bon, D., Warneke, C., Kuster, W. C., Alexander, L., Baker, A. K., Beyersdorf, A. J., Blake, D. R., Canagaratna, M., Huey, L. G., Junkermann, W., Onasch, T. B., Sjostedt, S. J., Sullivan, A. P., Tanner, D. J., Vargas, O., Weber, R. J., Worsnop, D. R., Yu, X. Y., and Zaveri, R.: Emission and chemistry of organic carbon in the gas and aerosol phase at a sub-urban site near Mexico City in March 2006 during the MILAGRO study, Atm. Chem. Phys., 9, 3425-3442, 2009.

137. Dunlea, E., DeCarlo, P. F., Aiken, A. C., Kimmel, J. R., Peltier, R. E., Weber, R. J., Tomlison, J., Collins, D. R., Shinozuka, Y., McNaughton, C. S., Howell, S. G., Clarke, A. D., Emmons, L. K., Apel, E. C., Pfister, G. G., Donkelaar, A. v., Martin, R. V., Millet, D. B., Heald, C. L., and Jimenez, J. L.: Evolution of Asian aerosols during transpacific transport in INTEX-B, Atm. Chem. Phys., 9, 7257-7287, 2009.

138. Fountoukis, C., Nenes, A., Sullivan, A., Weber, R., VanReken, T., Fischer, M., Matias, E., Moya, M., Farmer, D., and Cohen, R.: Thermodynamic characterization of Mexico City Aerosol during MILAGRO 2006, Atm. Chem. Phys., 9, 2141-2156, 2009.

139. Hennigan, C. J., Bergin, M. H., Russell, A. G., Nenes, A., and Weber, R. J.: Gas/particle partitioning of water-soluble organic aerosol in Atlanta, Atm. Chem. Phys., 9, 3613-3628, 2009.

140. Miyazaki, Y., Kondo, Y., Shiraiwa, M., Takegawa, N., Miyakawa, T., Han, S., Kita, K., Hu, M., Deng, Z. Q., Zhao, Y., Sugimoto, N., Blake, R. D., and Weber, R. J.: Chemical characterization of water-soluble organic carbon aerosols at a rural site in the Pearl River Delta, China, in the summer of 2006, J. Geophys. Res., 114, D14208, doi:14210.11029/12009JD011736, 2009.

141. Rastogi, N., Oakes, M. M., Schauer, J. J., Shafer, M. M., Majestic, B. J., and Weber, R. J.: New technique for online measurement of water-soluble Fe(II) in atmospheric aerosols, Environ. Sci. Tech., 43, 2425-2430, 2009.

142. Yan, B., Zheng, M., Hu, Y., Ding, X., Sullivan, A., Weber, R., Baek, J., Edgerton, E. S., and Russell, A. G.: Roadside, urban and rural comparison of primary and secondary organic molecular markers in ambient PM2.5, Environ. Sci. Technol., 43, 4287-4293, 2009.

143. Donkelaar, A., R.V. Martin, R.W. Leaitch, A.M. Macdonald, T.W. Walker, D.G. Streets, E. Dunlea, J.L. Jimenez, J.E. Dibb, G. Huey, R.J. Weber, and M.O. Andreae, Analysis of aircraft and satellite measurements from the Intercontinental Chemical Transport Experiment (INTEX-B) to quantify long- range transport of East Asian Sulfur to Canada, Atm.. Chem. Phys., 8, 2999-3014, 2008.

144. Hennigan, C. J., M. H. Bergin, and R. J. Weber, 2008, Correlations between water-soluble organic aerosol and water vapor: A synergistic effect from biogenic emissions?: Environ. Sci. Tech., 42, 9079- 9085, 2008.

145. Carlton, A.G., B.J. Turpin, K.E. Altieri, S.P. Seitzinger, R. Mathur, S.J. Roselle, and R.J. Weber, In-cloud secondary organic aerosol (SOA): Air quality and climate implications, Environ. Sci. Tech., 42, 8798-8802, 2008.

146. Docherty, K., E.A. Stone, I.M. Ulbrich, P.F. DeCarlo, D.C. Snyder, J.J. Schauer, R.E. Peltier, R.J. Weber, S.M. Murphy, J.H. Seinfeld, B.D. Grover, D.J. Eatough, and J.L. Jimenez, Apportionment of primary and secondary organic aerosols in southern California during the 2005 study of organic aerosols in Riverside (SOAR), Environ. Sci. Tech., 42, 7655 – 7662, 2008

147. Ding, X., M. Zheng, L. Yu, X. Zhang, R.J. Weber, B. Yan, A.G. Russell, E.S. Edgerton, and X. Wang, Spatial and seasonal trends in biogenic secondary organic tracers and water soluble organic carbon in the southeastern United States, Environ. Sci. Tech., 42, 5171-5176, 2008.

148. Hennigan, C. J., M. H. Bergin, J. E. Dibb, R. J. Weber, Enhanced secondary organic aerosol formation due to water uptake by fine particles, Geophys. Res. Lett., L18801, 10.1029/2008GL035046, 2008.

149. Hennigan, C.J., A.P. Sullivan, C.I. Fountoukis, A. Nenes, A. Hecobian, O. Vargas, A.T.C. Hanks, L.G. Huey, B.L. Lefer, A.G. Russell, and R.J. Weber, On the volatility and production mechanisms of newly formed nitrate and water soluble organic aerosol in Mexico City, Atm. Chem. Phys., 8, 3761 – 3768, 2008.

150. Heald, C.L., A.H. Goldstein, J.D. Allan, A.C. Aiken, E. Apel, E.L. Atlas, A.K. Baker, T.S. Bates, A.J. Beyersdorf, D.R. Blake, T. Campos, H. Coe, J.D. Crounse, P.F. DeCarlo, J.A.d. Gouw, E.J. Dunlea, F.M. Flocke, A. Fried, P. Goldan, R.J. Griffin, S.C. Herndon, J.S. Holloway, R. Holzinger, J.L. Jimenez, W. Junkermann, W.C. Kuster, A.C. Lewis, S. Meinardi, D.B. Millet, T. Onasch, A. Polidori, P.K. Quinn, D.D. Riemer, J.M. Roberts, D. Salcedo, B. Sive, A.L. Swanson, R. Talbot, C. Warneke, R.J. Weber, P. Weibring, P.O. Wennberg, A.E. Wittig, R. Zhang, J. Zheng, and W. Zheng, Total observed organic carbon (TOOC): A synthesis of North American observations, Atm. Chem. Phys., 8, 2007-2025, 2008.

151. Brock, C.A., A. Sullivan, R. Peltier, R.J. Weber, A. Wollny, J. deGouw, A.M. Middlebrook, E. Atlas, A. Stohl, M. Trainer, O.R. Cooper, F.C. Fehsenfeld, G.J. Frost, J.S. Holloway, G. Hubler, J.A. Neuman, T.B. Ryerson, C. Warneke, and J.C. Wilson, Sources of particulate matter in the Northeastern United States inSummer: 2. Evolution of chemical and microphysical properties, J. Geophys. Res., 113, D08302,10.1029/2007JD009241, 2008.

152. de Gouw, J.A., C. Brock, E.A. Atlas, T.S. Bates, F.C. Fehsenfeld, P.D. Goldan, J.S. Holloway, W.C. Kuster, B.M. Lerner, B.M. Matthew, A.M. Middlebrook, T.B. Onasch, R.E. Peltier, P.K. Quinn, C.J. Senff, A. Stohl, A.P. Sullivan, M. Trainer, C. Warneke, R.J. Weber, and E.J. Williams, Sources of particulate matter in the Northeastern United States in Summer: 1. Direct emissions and secondary formation of organic matter in urban plumes, J. Geophys. Res., 113, D08301, 10.1029/2007JD009243, 2008.

153. Stone, E.A., D.C. Snyder, R.J. Sheesley, A. Sullivan, R.J. Weber, and J.J. Schauer, Source apportionment of fine organic aerosol in Mexico City during the MILAGRO Experiment 2006, Atm. Chem. Phys., 8, 1249-1259, 2008

154. Peltier, R.E., A.H. Hecobian, R.J. Weber, A. Stohl, E.L. Atlas, D.D. Riemer, E. Apel, T. Campos, and T. Karl, Investigating the Sources and Atmospheric Processing of Fine Particles from Asia and North America Measured During INTEX B, Atm. Chem. Phys., 8, 1835-1853, 2008.

155. Asa-Awuku, A., A. Nenes, A. Sullivan, C. Hennigan, and R.J. Weber, Investigation of molar volume and surfactant characteristics of water-soluble organic compounds in biomass burning aerosol, Atm. Chem. Phys., 8, 799-812, 2007.

156. Peltier, R.E., R.J. Weber, and A.P. Sullivan, Investigating a liquid-based method for online organic carbon detection in atmospheric particles, Aerosol Sci. Tech., 41, 1117-1127, 2007.

157. Peltier, R., A. Sullivan, R. J. Weber, C. Brock, A. Wollny, J. Holloway, J.de. Gouw, C. Warneke, Airborne measurements of fine particle ionic and water-soluble organic carbon concentrations during ICARTT, Atm. Chem. Phys., 7, 3231-3247, 2007.

158. Weber, R.J., A.P. Sullivan, R.E. Peltier, A. Russell, B. Yan, M. Zheng, J.A.d. Gouw, C. Warneke, C. Brock, J.S. Holloway, E.L. Atlas, and E. Edgerton, A study of secondary organic aerosol formation in the anthropogenic-influenced southeastern United States, J. Geophys. Res., D13302, doi:10.1029/2007JD008408, 2007

159. Peltier, R.E., A.P. Sullivan, R.J. Weber, A.G. Wollny, J.S. Holloway, C.A. Brock, J.A.d. Gouw, and E.L. Atlas, No evidence for acid-catalyzed secondary organic aerosol formation in power plant plumes over metropolitan Atlanta, Georgia, Geophys. Res. Lett, L06801, 10.1029/2006GL028780, 2007.

160. Kondo, Y., Y. Miyazaki, N. Takegawa, T. Miyakawa, R.J. Weber, L. Jimenez, Q. Zhang, and D.R. Worsnop, Oxygenated and water-soluble organic aerosols in Tokyo, J. Geophys Res., 112, D01203, 10.1029/2006JD007056, 2007.

161. Greenwald, R., M.H. Bergin, R. Weber, and A. Sullivan, Size-resolved, real-time measurement of water-soluble aerosols in metropolitan Atlanta during the summer of 2004, Atm. Environ., 41, 519-531, 2007.

162. Tang, Y.H., G.R. Carmichael, N. Thongboonchoo, T.F. Chai, L.W. Horowitz, P.B. Pierce, J.A. Al-Saadi, G. Pfister, J.M. Vukovich, M.A. Avery, G.W. Sachse, T. B.Ryerson, J.S. Holloway, E.L. Atlas, F.M. Flocke, R.J. Weber, L.G. Huey, J.E. Dibb, D.G. Streets, and W.H. Brune, Influence of lateral and top boundary conditions on regional air quality prediction: A multiscale study coupling regional and global chemical transport models, J. Geophys. Res., 112 (D10), D10S18, 2007.

163. Arimoto, R., Y. , J. Kim, Y.P. Kim, P.K. Quinn, T.S. Bates, T.L. Anderson, S. Gong, I. Uno, M. Chin, B.J. Huebert, A.D. Clarke, Y. Shinozuka, R.J. Weber, J.R. Anderson, S.A. Guazzotti, R.C. Sullivan, D.A. Sodeman, K.A. Prather, and I. Sokolik, Characterization of Asian Dust during ACE-Asia, Global and Planetary Change, 52 (1-4), 23056, 2006

164. Bates, T., T.L. Anderson, T. Baynard, T. Bond, O. Boucher, G. Carmichael, A. Clarke, C. Erlick, H. Guo, L. Horowitz, S. Howell, S. KKukarni, H. Maring, A. McComiskey, A. Middlebrook, K. Noone, C. O’Dowd, J. Ogren, J. Penner, P.K. Quinn, A.R. Ravishankara, D.L. Savoie, S.E. Schwartz, Y. Shinozuka, Y. Tang, R.J. Weber, and Y. Wu, Aerosol direct radiative effects over the northwest Atlantic, northwest Pacific, and North Indian Oceans: Estimates based on in-situ chemical and optical measurements and chemical transport modeling, Atmos. Chem. Phys., 6, 1657-1732, 2006.

165. Brown, S.S., T.B. Ryerson, A.G. Wollny, C.A. Brock, R. Peltier, A.P. Sullivan, R.J. Weber, W.P. Dube, M.Trainer, J.F. Meagher, F.C. Fehsenfeld, and A.R. Ravishankara, Variability in nocturnal nitrogen oxide processing and its role in regional air quality, Science, 311, 67-70, 2006.

166. Brown, S.S., J.A. Neuman, T.B. Ryerson, M. Trainer, W.P. Dube, J.S. Holloway, C. Warneke, J.A.d. Gouw, S.G. Donnelly, E. Atlas, B. Matthew, A.M. Middlebrook, R. Peltier, R.J. Weber, A. Stohl, J.F. Meagher, F.C. Fehsenfeld, and A.R. Ravishankara, The nocturnal odd-oxygen budget and its implications for ozone loss in the lower troposphere, Geophys. Res. Lett., 33 (L08801), 10.1029/2006GL025900, 2006.

167. Heald, C.L., D.J. Jacob, S. Turquety, R.C. Hudman, R.J. Weber, A.P. Sullivan, R.E. Peltier, E.L. Atlas, J.A.d. Gouw, C. Warneke, J.S. Holloway, J.A. Neuman, F.M. Flocke, and J.H. Seinfeld, Concentrations and sources of organic aerosols in the free troposphere over North America, J. Geophys. Res., 111, D23S47, 10.1029/2006JD007705, 2006.

168. Hennigan, C., S. Sandholm, S. Kim, R. Stickel, G. Huey, and R. Weber, Influence of Ohio River Valley Emissions on Fine Particle Sulfate Measured From Aircraft Over Large Regions of the Eastern U.S. and Canada During INTEX-NA, J. Geophys. Res., D24S04, doi:10.1029/2006JD007282, 2006

169. Miyazake, Y., Y. Kondo, N. Takegawa, Y. Komazaki, K. Kawamura, M. Mochida, K. Okuzawa, and R.J. Weber, Time-resolved measurements of water-soluble organic carbon in Tokyo, J. Geophys. Res., 111, D23206, doi:10.1029/2006JD007125, 2006.

170. Murphy, D.M., D.J. Cziczo, P.K. Hudson, B.M. Matthew, A.M. Middlebrook, R.E. Peltier, A. Sullivan, D.S. Thomson, and R.J. Weber, Single-partilce mass spectrometry of tropospheric aerosol particles, J. Geophys. Res., 111 (D23), D23S32, 10.1029/2006JD007340, 2006.

171. Nowak, J., L.G. Huey, A.G. Russell, D. Tian, J.A. Neuman, D. Orsini, S.J. Sjostedt, A.P. Sullivan, D.J. Tanner, R.J. Weber, A. Nenes, E. Edgerton, and F.C. Fehsenfeld, Analysis of urban gas-phase ammonia measurements from the 2002 Atlanta Aerosol Nucleation and Real-time Characterization Experiment (ANARChE), J. Geophys. Res., 111, D17308 10.1029/2006JD007113, 2006.

172. Sannigrahi, P., A. Sullivan, R.J. Weber, and E.D. Ingall, Characterization of water-soluble organic carbon in urban atmospheric aerosols using 13C NMR spectroscopy, Environ. Sci. Tech., 40, 666-672, 2006.

173. Sorooshian, A., F.J. Brechtel, Y. Ma, R.J. Weber, A. Corless, R.C. Flagan, and J.H. Seinfeld, Modeling and characterization of a Particle-Into-Liquid Sampler (PILS), Aerosol Sci. Tech., 40, 396-409, 2006.

174. Sullivan, A., and R.J. Weber, Chemical characterization of the ambient organic aerosol soluble in water Part 2: Isolation of acid, neutral, and basic fractions by modified size exclusion chromatography, J. Geophys. Res., 111 (D5), D05315 10.1029/2005JD006486, 2006.

175. Sullivan, A., and R.J. Weber, Chemical characterization of the ambient organic aerosol soluble in water Part 1: Isolation of hydrophobic and hydrophilic fractions with a XAD-8 resin, J. Geophys. Res., 111 ( D5), D05314 10.1029/2005JD006485, 2006.

176. Sullivan, A., R.E. Peltier, C.A. Brock, J.A.d. Gouw, J.S. Holloway, C. Warneke, A.G. Wollny, and R.J. Weber, Airborne measurements of carbonaceous aerosol soluble in water over northeastern United States: Method development and an investigation into water-soluble organic carbon sources, J. Geophys. Res., 111, D23S46, 10.1029/2006JD007072, 2006.

177. Chen, G., L.G. Huey, M. Trainer, D. Nicks, J. Corbett, T. Ryerson, D. Parrish, J.A. Neuman, J. Nowak, D. Tanner, J. Holloway, C. Brock, J. Crawford, J. Olson, A. Sullivan, R. Weber, S. Schauffle, S. Donnelly, E. Atlas, J. Roberts, F. Flocke, G. Hubler, and F. Fehsenfeld, An investigation of the chemistry of ship emission plumes during ITCT 2002, J. Geophys. Res., 110 (D10), D10S90, 10.1029/2004JD005236, 2005

178. Heald, C.L., D.J. Jacob, R. Park, L.M. Russell, B.J. Huebert, J.H. Seinfeld, H. Liao, and R.J. Weber, A large organic aerosol source in the free troposphere missing from current models, Geophys. Res. Lett., 32 (L18809), 10.1029/2005GL023831, 2005.

179. Miyazaki, Y., Y. Kondo, N. Takegawa, R.J. Weber, M. Koike, K. Kita, M. Fukuda, Y. Ma, A.D. Clarke, V.N. Kapustin, F. Flocke, A.J. Weinheimer, M. Zondlo, F.L. Eisele, D.R. Blake, and B. Liley, Contribution of particulate nitrate to airborne measurements of total reactive nitrogen, J. Geophys. Res., 110, 10.1029/2004JD005502, 2005.

180. Park, R.J., D.J. Jacob, P.I. Palmer, A.D. Clarke, R.J. Weber, M.A. Zondlo, F.L. Eisele, A.R. Bandy, D.C. Thornton, G.W. Sachse, and T.C. Bond, Export efficiency of black carbon aerosol intercontinental outflow: global implications, J. Geophys. Res., 110 (D11), D11205, 2005.

181. Song, C.H., K. Maxwell-Meier, R.J. Weber, V. Kapustin, and A. Clarke, Dust composition and mixing state inferred from airborne composition measurements during ACE-Asia C130 Flight#6, Atm. Environ., 39, 359-369, 2005.

182. Song, C.H., Y. Ma, D. Orsini, Y.P. Kim, and R.J. Weber, An investigation of ionic chemical composition and mixture state of biomass burning particles recorded during TRACE-P P3B Flight#10, J. Atmos. Chem., 51, 43-64, 2005.

183. Takegawa, N., Y. Kondo, Y. Komazaki, Y. Miyazaki, T. Miyakawa, J.L. Jimenez, J.T. Jayne, D.R. Worsnop, J. Allan, and R.J. Weber, Characterization of an Aerodyne Aerosol Mass Spectrometer (AMS): Long-term stability and intercomparison with other aerosol instruments, Aerosol Sci. Tech., in press, 2005.

184. Meier, K.L., R. Weber, D. Orsini, Y. Ma, G. Carmichael, and D. Streets, Inorganic Composition of particles in mixed dust – pollution plumes observed from airborne measurements during ACE -ASIA, J. Geophys. Res., 109, 10.1029/2003JD004464, 2004.

185. Tang, Y., G.R. Carmichael, J.H. Seinfeld, D. Dabdub, R.J. Weber, B. Huebert, A.C. Clarke, S.A. Guazzotti, D.A. Sodeman, K.A. Prather, I. Uno, J.J. Yienger, J.-H. Woo, D.G. Streets, P. Quinn, J.E. Johnson, C.-H. Song, V.H. Grassian, A. Sandu, R.W. Tablot, and J.E. Dibb, Three-dimensional studies of aerosol ions and their size distribution in east Asia during spring 2001, J. Geophys. Res., 109, D19S23 10.1029/2003JD004201, 2004.

186. McNaughton, C.S., A.D. Clarke, S.G. Howell, K.G. Moore, V. Brekhovskikh, R.J. Weber, D. Orsini, D.S. Covert, G. Buzorius, F.J. Brechtel, G.R. Carmichael, Y. Tang, F.L. Eisele, A.R. Bandy, D.C. Thornton, and B. Blomquist, Spatial distribution and size evolution of particles in Asian Outflow: The significance of primary and secondary aerosols during ACE-Asia and TRACE-P, J. Geophys. Res., 109, D19S06 10.1029/2003JD003528, 2004.

187. Sullivan, A.P., R. J. Weber, A.L. Clements, J.R. Turner, M.S. Bae, and J.J. Schauer, A method for on-line measurement of water-soluble organic carbon in ambient aerosol particles: Results from an urban site, Geophys. Res. Lett., 31, L13105 10.1029/2004GL019681, 2004.

188. Seinfeld, J.H., G. Carmichael, R. Arimoto, W. Conant, F. Brechtel, T. Bates, T. Cahill, A. Clarke, P. Flatau, B. Huebert, J. Kim, K. Markowicz, S. Masonis, P. Quinn, L. Russell, P. Russell, A. Shimizu, Y. Shinozuka, C. Song, Y. Tang, I. Uno, A. Vogelmann, R. Weber, J. Woo, and X. Zhang, ACE-Asia: regional climatic and atmospheric chemical effects of Asian dust and pollution, Bull. Am. Meteorol. Soc., 85, 367- 380, 2004.

189. Moore, K.G., A.D. Clarke, V.N. Kapustin, C. McNaughton, B.E. Anderson, E.L. Winstead, R.J. Weber, Y. Ma, Y.-N. Lee, J. Talbot, J. Dibb, T. Anderson, S. Masonis, D. Covert, and D. Rodgers, A comparison of similar aerosol measurements made on the NASA P3-B, DC-8 and NSF C-130 aircraft during TRACE P and ACE-Asia, J. Geophys. Res., 109, D15S15 10.1029/2003JD003543, 2004.

190. Millet, D.B., A.H. Goldstein, J.D. Allan, T.S. Bates, H. Boudries, K.N. Bower, H. Coe, Y. Ma, M. McKay, P.K. Quinn, A. Sullivan, R.J. Weber, and D.R. Worsnop, Volatile organic compound measurements at Trinidad Head, California, during ITCT 2K2: Analysis of sources, atmospheric composition, and aerosol residence times, J. Geophys. Res., 109, D23S16 10.1029/2003JD004026, 2004.

191. Kondo, Y., Y. Morino, N. Takegawa, M. Koike, K. Kita, Y. Miyazaki, G.W. Sachse, S.A. Vay, M.A. Avery, F. Flocke, A.J. Weinheimer, F.L. Eisele, M. Zondlo, R.J. Weber, H.B. Singh, G. Chen, J. Crawford, D.R.Blake, A.D. Clarke, R.W. Talbot, S.T. Sandholm, E.V. Browell, D.G. Streets, H.E. Fuelberg, and B. Liley, Impacts of biomass burning in southeast Asia on ozone and reactive nitrogen over the western pacific in spring, J. Geophys. Res., 109, D15S12 10.1029/2003JD004203, 2004.

192. Kittaka, C., R. Pierce, J. Crawford, M. Hitchman, D. Johnson, G. Tripoli, M. Chin, A. Bandy, R. Weber, R. Talbot, and B. Anderson, A three-dimensional regional modeling study of the impact of clouds on sulfate distributions during TRACE-P, J. Geophys. Res., 109 (D15), D15S11 10.1029/2003JD004353, 2004.

193. Clarke, A.D., Y. Shinozuka, V.N. Kapustin, D. Howell, B. Huebert, S. Doherty, T. Anderson, D. Covert, J. Anderson, X. Hua, K.G. Moore, C. McNaughton, G. Carmichael, and R. Weber, Size distributions and mixtures of dust and black carbon aerosol in Asian outflow: Physiochemistry and optical properties, J. Geophys. Res., 109, D15S09 10.1029/2003JD004378, 2004.

194. Brock, C.A., P.K. Hudson, E.R. Lovejoy, A. Sullivan, J.B. Nowak, L.G. Huey, O.R. Cooper, D.J. Cziczo, J.d. Gouw, F.C. Fehsenfeld, J.S. Holloway, G. Hubler, B.G. Lafleur, D.M. Murphy, J.A. Neuman, J. D. K. Nicks, D.A. Orsini, D.D. Parrish, T.B. Ryerson, D.J. Tanner, C. Warneke, R.J. Weber, and J.C. Wilson, Particle characteristics following cloud-modified transport from Asia to North America, J. Geophys. Res., 109, D23S26 10.1029/2003JD004198, 2004.

195. Allan, J.D., K.N. Bower, H. Coe, H. Boudries, J.T. Jayne, M.R. Canagaratna, D.B. Millet, A.H. Goldstein, P.K. Quinn, R.J. Weber, and D.R. Worsnop, Submicron aerosol composition at Trinidad Head, CA during ITCT 2K2, its relationship with gas phase volatile organic carbon and assessment of instrument performance, J. Geophys. Res., 109, D23S24 10.1029/2003JD004208, 2004.

196. Zhang, M., I. Uno, Z. Wang, H. Akimoto, G.R. Carmichael, Y. Tang, J.-H. Woo, D.G. Streets, G.W. Sachse, M.A. Avery, R.J. Weber, and R.W. Talbot, Large-scale structure of trace gas and aerosol distributions over the western Pacific ocean during TRACE-P, J. Geophys. Res., 108, 8820 10.1029/2002JD002946, 2003a.

197. Zhang, J., W.L. Chameides, R. Weber, G. Cass, D. Orsini, E. Edgerton, P. Jongejan, and J. Slanina, Validity of thermodynamic equilibrium assumption for fine particulate composition: Nitrate and ammonium during Atlanta ’99 Supersite Experiment, J. Geophys. Res., 108, 10.1029/2001JD001592, 2003b.

198. Youhua, T., G.R. Carmichael, J.-H. Woo, N. Thongboonchoo, G. Kurata, U. Itsush, D.G. Streets, D.R. Blake, R.J. Weber, R.W. Talbot, Y. Kondo, S.B. Singh, and T. Wang, Influences of biomass burning during the Transport and Chemical Evolution Over the Pacific (TRACE-P) experiment identified by the regional chemical transport model, J. Geophys. Res., 108, 8824 10.1029/2002JD003110, 2003.

199. Weber, R.J., S. Lee, B. Wang, R.L. Mauldin, M. Zondlo, F.L. Eisele, K. Moore, V. Kapustin, and A. Clarke, Particle production within and near aged Asian anthropogenic plumes observed during TRACE-P, J. Geophys. Res., 108 (D21), 8814 10.1029/2002JD003112, 2003a.

200. Weber, R.J., B. Wang, E. Scheuer, R. Talbot, J. Dibb, C. Seid, and L. DeBell, Investigations into new particle formation inthe central Canadian Arctic during the winter/spring transition as part of TOPSE, J. Geophys. Res., 108 (D4), 10.1029/2002JD002239, 2003b.

201. Weber, R., D. Orsini, M. Bergin, C.S. Kiang, M. Chang, J.S. John, C.M. Carrico, Y.N. Lee, P. Dasgupta, J. Slanina, B. Turpin, E. Edgerton, S. Hering, G. Allen, P. Solomon, and W. Chameides, Short-Term Temporal Variation In PM2.5 Mass And Chemical Composition During The Atlanta Supersite Experiment, 1999, J. Air & Waste Manage. Assoc., 53, 84-91, 2003c.

202. Weber, R.J., D. Orsini, Y. Duan, K. Baumann, C.S. Kiang, W. Chameides, Y.L. Lee, F. Brechtel, P. Klotz, P. Jongejan, H.t. Brink, J. Slanina, P. Dasgukpta, S. Hering, M. Stlozenburg, E. Edgerton, B. Hartsell, P. Solomon, and R. Tanner, Intercomparison of near real-time monitors of PM2.5 nitrate and sulfate at the EPA Atlanta Supersite, J. Geophys. Res., 108 (D7), 10.1029/2001JD001220, 2003.

203. Tang, Y., G.R. Carmichael, G. Kurata, I. Uno, R.J. Weber, C.-H. Song, S.K. Guttikunda, J.-H. Woo, D.G. Street, C. Wei, A.D. Carke, B. Huebert, and T.L. Anderson, Impacts of dust on regional tropospheric chemistry during the ACE-ASIA Experiment: A model study, J. Geophys. Res., 109, D19S21 10.1029/2003JD003806, 2003.

204. Solomon, P., E. Cowling, and R.J. Weber, Preface to special section: Southern oxidants study 1999 Atlanta Supersite Project (SOS3), J. Geophys. Res., 108, 10.1029/2003JD003536, 2003.

205. Solomon, P.A., W. Chameides, R. Weber, A. Middlebrook, C.S. Kiang, A.G. Russell, A. Butler, B. Turpin, D. Mikel, R. Scheffe, E. Cowling, E. Edgerton, J.S. John, J. Jansen, P. McMurry, S. Hering, and T. Bahadori, Overview of the 1999 Atlanta Supersites Project, J. Geophys. Res., 108, 10.1029/2001JD001458, 2003b.

206. Orsini, D., Y. Ma, A. Sullivan, B. Sierau, K. Baumann, and R. Weber, Refinements to the Particle-Into- Liquid Sampler (Pils) For Ground and Airborne Measurements Of Water Soluble Aerosol Composition, Atm. Environ., 37, 1243-1259, 2003.

207. Neuman, J.A., J.B. Nowak, C.A. Brock, M. Trainer, F.C. Fehsenfeld, J.S. Holloway, G. Hubler, P. Hudson, D.M. Murphy, J. D. K. Nicks, D. Orsini, D.D. Parrish, T.B. Ryerson, D.T. Sueper, A. Sullivan, and R.J. Weber, Vertical gradients and spatial variability in ammonium nitrate formation and nitric acid depletion over Southern California, J. Geophys. Res., 108 (D17), 10.1029/2003JD003616, 2003.

208. Murayama, T., S.J. Masonis, J. Redemann, T.L. Anderson, B. Schmid, J.M. Livingston, P.B. Russell, B. Huebert, S.G. Howell, C.S. McNaughton, A. Clarke, M. Abo, A. Shimizu, N. Sugimoto, M. Yabuki, H. Kuze, S. Fukagawa, K.L. Maxwell, R.J. Weber, D.A. Orsini, B. Blomquist, A. Bandy, and D. Thornton, An intercomparison of lidar-derived aerosol optical properties with airborne measurements near Tokyo during Ace Asia, J. Geophys. Res., 108, 10.1029/2002JD003259, 2003.

209. Mauldin, R.L., C.A. Cantrell, M.A. Zondlo, E. Kosciuch, B. Ridely, R. Weber, and F.E. Eisele, Measurements of OH, H2SO4, and MSA during Tropospheric Ozone Production About the Spring Equinox (TOPSE), J. Geophys. Res., 108 (No. D4), 10.1029/2002JD002295, 2003.

210. Maria, S.F., L.M. Russell, B.J. Turpin, R.J. Porcja, T.L. Campos, R.J. Weber, and B.J. Huebert, Source signatures of carbon monoxide and organic functional groups in Asian Pacific Regional Aerosol Characterization Experiment (ACE-Asia) submicron aerosol types, J. Geophys. Res., 108 (D23), 8637 10.1029/2003JD003703, 2003.

211. Ma, Y., R.J. Weber, K. Meier, D.A. Orsini, Y.-N. Lee, B.J. Huebert, S.G. Howell, T. Bertram, R.W. Talbot, J.E. Dibb, and E. Scheuer, Intercomparisons of airborne measurements of aerosol ionic chemical composition during TRACE-P and ACE-Asia, J. Geophys. Res., 109, D15S07 10.1029/2003JD003883, 2003a.

212. Ma, Y., R.J. Weber, Y.-N. Lee, A. Bandy, D. Thornton, A. Clarke, R. Blake, G. Sachse, H. Fuelberg, J.-H. Woo, D. Streets, G.R. Carmichael, and F.L. Eisele, The characteristics and influence of biomass burning aerosols on fine particle ionic composition measured in Asian Outflows during TRACE P, J. Geophys. Res., 108, 8816, 10.1029/2002JD003128, 2003b.

213. Lee, Y.-N., R. J. Weber, Y. Ma, D. Orsini, K. Maxwell, D. Blake, S. Meinardi, G. Sachse, C. Harward, A.D. Clarke, K. Moore, V.N. Kapustin, T.-Y. Chen, D.C. Thornton, F.H. Tu, and A.R. Bandy, Airborne measurement of inorganic ionic components of fine aerosol particles using the PILS-IC technique during ACE-ASIA and TRACE-P, J. Geophys. Res., 108 (D23), 10.1029/2002JD003265, 2003.

214. Koike, M., Y. Kondo, K. Kita, N. Takegawa, Y. Masui, Y. Miyazaki, M.W. Ko, A.J. Weinheimer, F. Flocke, R.J. Weber, D.C. Thornton, G.W. Sachse, S.A. Vay, D.R. Blake, D.G. Streets, F.L. Eisele, S.T. Sandholm, H.B. Singh, and R.W. Talbot, Export of anthropogenic reactive nitrogen and sulfur compounds from the East Asia region in spring, J. Geophys. Res., 108 (D20, 4655), 10.1029/2002JD003284, 2003.

215. Drewnick, F., J.J. Schwab, O. Hogrefe, S. Peters, L. Husain, D. Diamond, R. Weber, and K. Demerjian, Intercomparision and evaluation of four semi-continuous pm2.5 sulfate instruments, Atm. Environ., 37, 3335-3350, 2003.

216. Chin, M., P. Ginoux, R. Lucchesi, B. Huebert, R. Weber, T. Anderson, S. Masonis, and B. Blomquist, A global aerosol model forecast for the ACE-Asia field experiment, J. Geophys. Res., 10.1029/2003JD003642, 2003.

217. Browell, E.V., M.A. Fenn, C.F. Butler, W.B. Grant, V.G. Brackett, J.W. Hair, M.A. Avery, R.E. Newell, Y. Hu, H.E. Fuelberg, D.J. Jacob, B.E. Anderson, E.L. Atlas, D.R. Blake, W.H. Brune, J.E. Dibb, A. Fried, B.G. Heikes, G.W. Sachse, S.T. Sandholm, H.B. Singh, R.W. Talbot, S.A. Vay, R.J. Weber, and K.B. Bartlett, Large-Scale Ozone and Aerosol Distributions, Air Mass Characteristics, and Ozone Fluxes Over the Western Pacific Ocean in Late-Winter/Early-Spring, J. Geophys. Res., 108, 10.1029/2002JD003290, 2003.

218. Weber, R.J., K. Moore, V. Kapustin, A. Clarke, R.L. Mauldin, E. Kosciuch, C. Cantrell, F. Eisele, B. Anderson, and L. Thornhill, Nucleation in the equatorial pacific during PEM Tropics B: Enhanced boundary layer H2So4 with no particle production, J. Geophys. Res, 106, 32,767-32,776, 2001a.

219. Weber, R.J., G. Chen, D.D. Davis, R.L. Mauldin, D.J. Tanner, F.L. Eisele, A.D. Clarke, D.C. Thornton, and A.R. Bandy, Measurements of enhanced H2SO4 and 3-4 nm particles near a frontal cloud during ACE 1, J. Geophys. Res., 106, 24,107-24,117, 2001b.

220. Weber, R.J., D. Orsini, Y. Daun, Y.-N. Lee, P. Klotz, and F. Brechtel, A particle-into-liquid collector for rapid measurements of aerosol chemical composition, Aerosol Sci. Tech., 35, 718-727, 2001.

221. Aalto, P., K. Hämeri, E. Becker, R. Weber, J. Salm, J. Mäkelä, C. Hoell, C. O’Dowd, H. Karlsson, H.-C. Hansson, M. Väkevä, I. Koponen, G. Buzorius, and M. Kulmala, Physical characterization of aerosol particles during nucleation events, Tellus B, 53, 344-358, 2001.

222. McMurry, P.H., K.S. Woo, R.J. Weber, D.R. Chen, and D. Pui, Size distributions of 3 to 10 nm atmospheric particles: Implications for nucleation mechanisms, Phil. Trans. Royal Soc. Lond., 358, 2625- 2642, 2000.

223. Dick, W.D., P.H. McMurry, R.J. Weber, and F.R. Quant, White light detection for nanoparticle sizing with the new TSI ultrafine condensation particle counter, J. Nanoparticle Res., 2, 85-90, 2000.

224. Weber, R.J., P.H. McMurry, L. Mauldin, D. Tanner, F. Eisele, A. Clarke, and V.N. Kapustin, New particle production in the remote troposphere: A comparison of observations at various sites, Geophys. Res. Lett., 26 (No. 3), 307-310, 1999a.

225. Weber, R.J., P.H. McMurry, T.S. Bates, D.S. Covert, F.J. Brechtel, and G.L. Kok, Intercomparison of airborne and surface-based measurements of condensation nuclei in the remote marine troposphere measured during ACE 1, J. Geophys. Res., 104, 21,673-21,683, 1999b.

226. Clarke, A.D., V.N. Kapustin, F.L. Eisele, R.J. Weber, and P.H. McMurry, Particle production near marine clouds: sulfuric acid and predictions from classical binary nucleation, Geophys. Res. Lett., 26, 2425-2428, 1999.

227. Weber, R.J., A.D. Clarke, M. Litchy, J. Li, G. Kok, R.D. Schillawski, and P.H. McMurry, Spurious aerosol measurements when sampling from aircraft in the vicinity of clouds, J. Geophys. Res., 103 (D21), 28,337- 28,346, 1998a.

228. Weber, R.J., P.H. McMurry, L. Mauldin, D. Tanner, F. Eisele, F. Brechtel, S. Kreidenweis, G. Kok, R. Schillawski, and D. Baumgardner, A study of new particle formation and growth involving biogenic trace gas species measured during ACE 1, J. Geophys. Res., 103 (No. D13), 16385-16396, 1998b.

229. Weber, R.J., M. Stolzenburg, S. Pandis, and P.H. McMurry, Inversion of UCNC pulse height distributions to obtain ultrafine (~3 to 10 nm) particle size distributions, J. Aerosol Sci., 29, 601-615, 1998c.

230. McGraw, R., and R.J. Weber, Hydrates in binary sulfuric acid-water vapor: Comparison of CIMS measurements with the liquid-drop model, Geophys. Res. Lett., 25 (No16), 3143-3146, 1998.

231. Wiedensohler, A., D. Orsini, D.S. Covert, D. Coffmann, W. Cantrell, H. Halvlicek, F.J. Brechtel, L.M. Russell, R.J. Weber, J. Gras, J.G. Hudson, and M. Litchy, Intercomparison study of the size-dependent counting efficiency of 26 condensation particle counters, Aerosol Sci. Technol., 27, 224-242, 1997.

232. Weber, R.J., J.J. Marti, P.H. McMurry, F.L. Eisele, D.J. Tanner, and A. Jefferson, Measurements of new particle formation and ultrafine particle growth rates at a clean continental site, J. Geophys. Res., 102, 4375-4385, 1997.

233. Murphy, D.M., D.S. Thomson, M. Kaluzhny, J.J. Marti, and R.J. Weber, Aerosol characteristics at Idaho Hill during the OH photochemistry experiment, J. Geophys. Res., 102, 6325-6330, 1997.

234. Marti, J.J., R.J. Weber, P.H. McMurry, F.L. Eisele, D.J. Tanner, and A. Jefferson, New particle formation at a remote continental site: Assessing the contributions of SO2 and organic precursors, J Geophys. Res., 102, 6331-6339, 1997.

235. Jefferson, A., F.L. Eisele, P.J. Ziemann, J.J. Marti, R.J. Weber, and P.H. McMurry, Measurements of the H2SO4 mass accommodation coefficient onto polydisperse aerosol, J. Geophys. Res., 102, 19021- 19028, 1997.

236. Weber, R.J., and P.H. McMurry, Fine particle size distributions at the Manua Loa Obsevartory, Hawaii, J. Geophys. Res., 101, 14767-14775, 1996.

237. Weber, R.J., J.J. Marti, P.H. McMurry, F.L. Eisele, D.J. Tanner, and A. Jefferson, Measured atmospheric new particle formation rates: Implications for nucleation mechanisms, Chem. Eng. Comm., 151, 53-64, 1996.

238. Saros, M.T., R.J. Weber, J.J. Marti, and P.H. McMurry, Ultrafine aerosol measurement using a condensation nucleus counter with pulse height analysis, Aerosol Sci. Technol., 25, 200-213, 1996.

239. Marti, J.J., R.J. Weber, M.T. Saros, J.G. Vasiliou, and P.H. McMurry, Technical Note: Modification of the TSI 3025 condensation particle counter for pulse height analysis, Aerosol Sci. and Technol., 25, 214- 218, 1996.

240. Weber, R.J., P.H. McMurry, F.L. Eisele, and D.J. Tanner, Measurement of expected nucleation precursor species and 3 to 500 nm diameter particles at Mauna Loa Observatory, Hawaii, J. Atmos. Sci., 52, 2242-2257, 1995.

B2. Conference Presentations with Proceedings (Refereed – Included in B4 and B5) B3. Other Refereed Material (Book Chapters)

C. OTHER PUBLICATIONS AND CREATIVE PRODUCTS

PATENTS

Patent Inventors, Rodney Weber, Yin-Nan Lee, “Apparatus for Rapid Measurements of Aerosol Bulk Chemical Composition”, US Pat. No. 6,506,345, New disclosure No 7,029,921 B2. April 18, 2006. Companies that produce/sell the PILS:
Brechtel Manufacturing Inc http://www.brechtel.com/products-item/particle-into-liquid-sampler/ Metrohm USA http://www.metrohmusa.com/MISP/gaseous/PILS.html, Internationally, http://www.metrohm.com/en/products-overview/voltammetry/va%20computrace/pils

D. PRESENTATIONS (underscore indicates Weber graduate student or post doc) a) Invited

1. Weber, R. J, Particle pH: A Critical air quality parameter, Amer. Met. Society, Boston, MA, Jan. 13 to 17, 2020.
2. Weber, R. J., J. Wong, A. Nenes, J. Mulholland, A. Russell, D. Ye, and S. Sarnat, Links Between Sulfur Dioxide, Transition Metals and Adverse Health Effects, Amer. Geophys. Union, Washington, D.C., Dec. 10-14, 2018.
3. Weber, R. On the acidity of fine particles and some implications, Goldschmidt Conf., 12-17 Aug. 2018, Boston, MA, 2018.
4. Weber, R. Aerosols and Health; Does PM2.5 Oxidative Potential Play a Role?, Universit of Toronto, March 14, 2017.
5. Weber, R. The Unexpected behavior of fine particle acidity, American Chemical Society, Aug. 22-25, 2016.
6. Weber, R. J., TSRC Organic aerosols in the atmosphere, Telluride CO, July 2016.
7. Weber, R. Fine particle pH: Particles remain acidic despite dramatic reductions in sulfate, Harvard,Environmental Science and Engineering, 2015
8. Weber, R., Brown Carbon: Results from ground and airborne studies, Amer. Geophys. Union, SanFrancisco, CA, Dec. 14-18, 2015.
9. Weber, R. J., H. Forrister, J. Liu, J. Dibb, E. Scheuer, B. Anderson, L. Ziemba, K. Thornhill, M. Bergin, andA. Nenes, Brown carbon in the continental troposphere: sources, evolution and radiative impacts,Amer. Geophys. Union, San Francisco, CA, Dec. 15-19, 2014.
10. Weber, R. J., Fine particle water-soluble organic carbon over the southeastern United States, Amer.Geophys. Union, Dec 9-13, San Francisco, 2013.
11. Studies of secondary organic aerosols in the Southeastern US through measurements of water-solubleorganic carbon and its properties: Brown Carbon, SERMACS 2012, Raleigh NC, Nov 14-17, 2012.
12. PM2.5 Soluble Brown-Carbon Measured in Rural and Contrasting Urban Environments, Fall AGU, Dec5-9, San Francisco, 2011.
13. A tale of SOA in two cities, Los Angles versus Atlanta, Cal. Tech. Nov 16, 2011.
14. A comparison of SOA formation in Atlanta and Los Angeles and the formation of soluble brown carbon,Gordon Research Conference – Atmospheric Chemistry, Mount Snow VT, July 24-29, 2011
15. Aerosols Metrology for Climate Workshop, Invited speaker and Panel Co-Chair, NIST, GaithersburgMD, March 14, 2011.
16. An Instrument for Real Time Speciation of Water Soluble Tracers in Atmospheric Particulate Matter,EPA Webinar on Developing the Next Generation of Air Quality Measurement Technology, Spring2010.
17. (Invited Tutorial) Semi-Continuous Measurements of Aerosol Chemical Composition, AmericanAssociation for Aerosol Research, Fall, 2009
18. Recent Investigations into Secondary Organic Aerosol Formation Liquid Water, SOA and the ResultingAerosol Volatility, Joint Meeting (AGU), Toronto, Canada, May 2009.
19. Recent studies into water-soluble components of the ambient aerosol, Environment Canada,Downsview, Ontario, Canada, May 2009.
20. (Invited Tutorial) Semi-Continuous Measurements of Aerosol Chemical Composition, AmericanAssociation for Aerosol Research, Fall, 2008
21. Investigating Ambient Aerosols Through Development of Novel Measurement Techniques: SOA andSoluble Metals, Dalhousie University, Feb, 2008.
22. The Atlanta Aerosol, 2006 National Environmental Public Health Conference, Dec 4-6, Atlanta, GA.2006.

23. Formation of Ambient Secondary Organic Aerosol in Southeastern USA,: American Geophysical Union, Dec 10-15, San Francisco CA. 2006.
24. Secondary Organic Aerosol Formation, Harvard University, April 2006.
25. Investigating the Formation of Ambient Secondary Organic Aerosol in the Southeastern USA,Southeastern Regional Meeting American Chemical Society, Nov. 1-4, Augusta GA, 2006.
26. A Method for Chemical Characterization of the Ambient Organic Aerosol Soluble in Water by GroupSpeciation: Results from Urban Atlanta American Geophysical Union, San Francisco CA. 2005
27. Measurements of ambient carbonaceous particles that are soluble in water, American ChemicalSociety, 2004
28. (Invited Tutorial) Semi-Continuous Measurements of Aerosol Chemical Composition, AmericanAssociation for Aerosol Research, Fall, 2004
29. EMEP Workshop on Particulate Matter Measurement & Modeling New Orleans LA April 20-23, 2004.
30. University of California, Berkeley, 2003
31. American Chemical Society, 2002.
32. National Academy of Sciences, National Research Council’s Committee on Air Quality Management in the United States, 2001.

b) Contributed

1. Zhang, Q., A. Davis, M. Black, and R. J. Weber, Particle and volatile organic compound emissions from 3D printers and their potential exposure risks, Indoor Air, Virtual, 2020.
2. Zeng, L., Z. Zhang, Y. Wang, N. Wagner, J. Katich, J. Schwarz, G. Schill, C. Brock, K. Froyd, D. Murphy, C. Williamson, A. Kupc, E. Scheuer, J. Dibb, and R. J. Weber, Brown carbon global radiative effects, Amer. Assoc. for Aerosol Res., Remote due to COVID-19, Oct. 5-9, 2020.
3. Zeng, L., E. Scheuer, J. Dibb, J. M. Katich, J. P. Schwarz, N. L. Wagner, and R. J. Weber, Measurement of Aerosol Chromophores Contributing to Brown Carbon during FIREX-AQ, American Geophysical Union, Vitrual Due to COVID-19, Dec. 17, 2020.
4. Zeng, L., E. Scheuer, J. Dibb, J. M. Katich, J. P. Schwarz, N. L. Wagner, and R. J. Weber, Measurement of aerosol chromophores contributing to brown carbon during FIREX-AQ, American Geophysical Union, Vitrual Due to COVID-19, Dec. 17, 2020.
5. Weber, R. J., Particle pH: A Critical air quality parameter, Amer. Met. Society, Boston, MA, Jan. 13 to 17, 2020.
6. Wagner, N. L., A. Ahern, C. A. Brock, D. Murphy, M. Lyu, J. Schwarz, J. M. Katich, A. Perrring, B. Mediavilla, R. Moore, E. Wiggins, R. J. Weber, L. Zeng, J. Dibb, E. Scheuer, E. Winstead, and C. Robinson, Observations of Aerosol Absorption and Attribution to Black Carbon, Brown Carbon, and Coating Enhancement in Wildfire Smoke during the FIREX-AQ Mission, American Geophysical Union, Virtual Due to COVID-19, Dec. 17, 2020.
7. Wagner, N. L., A. Ahern, C. A. Brock, D. Murphy, M. Lyu, J. Schwarz, J. M. Katich, A. Perrring, B. Mediavilla, R. Moore, E. Wiggins, R. J. Weber, and L. Zeng, Observations of Aerosol Absorption and Attribution to Black Carbon, Brown Carbon, and Coating Enhancement in Wildfire Smoke during the FIREX-AQ Mission, Amer. Assoc. for Aerosol Res., Remote due to COVID-19, Oct. 5-9, 2020.
8. Gao, D., J. Mulholland, A. G. Russell, and R. J. Weber, Characterization of water-insoluble oxidative potential of PM2.5 using the dithiothreitol assay, Amer. Assoc. for Aerosol Res., Remote due to COVID- 19, Oct. 5-9, 2020.
9. Campbell, J., M. Gattaglia, M. Cesler-Maloney, H. S. Clair, T. Hanisco, W. Simpson, R. J. Weber, and J. Mao, Sources and chemistry of hydroxymethanesulfonate (HMS) in Fairbanks, Alaska, American Geophysical Union, Vitrual Due to COVID-19, Dec. 17, 2020.
10. Brock, C., A. Kupc, C. Williamson, K. Froyd, G. Schill, D. murphy, J. Jimenez, P. Camuzno-Jost, B. Weinzierl, M. Dollner, J. Schwarz, J. Katich, J. Dibb, R. Weber, L. Zeng, G. Diskin, and T. Bui, A Global-Scale In Situ Dataset of Aerosol Properties from the Atmospheric Tomography Mission (ATom), American Geophysical Union, Vitrual Due to COVID-19, Dec. 17, 2020.

11. Battaglia, M., A. Nenes, L. Ziemba, and R. J. Weber, Analysis of CCN number, hygroscopicity anddroplet activation in the western pacific measured during CAMP2EX, Amer. Assoc. for Aerosol Res.,Remote due to COVID-19, Oct. 5-9, 2020.
12. Battaglia, M., R. E. Asmar, J. Campbell, M. Cesler-Maloney, J. Mao, W. Simpson, A. Nenes, J. S. Clair,and R. J. Weber, Inorganic PM2.5 composition in Fairbanks Alaska winter: Large contributions fromHMS, Amer. Assoc. for Aerosol Res., Remote due to COVID-19, Oct. 5-9, 2020.
13. Battaglia, M., R. J. Weber, A. Nenes, and C. Hennigan, Affects of Water-soluble Organic Carbon onAerosol pH, Amer. Assoc. for Aerosol Res., Portland, OR, Oct. 14-18, 2019.
14. Chen, Y., D. Tanner, G. Huey, R. J. Weber, and N. L. Ng, Laboratory Chamber Study on Organic AcidsProduction from Biogenic VOC Oxidation, Amer. Assoc. for Aerosol Res., Portland, OR, Oct. 14-18,2019.
15. Fang, T., P. Lakey, R. J. Weber, and M. Shiraiwa, Oxidative Potential of Particulate Matter andGeneration of Reactive Oxygen Species in the Epithelial Lining Fluid., Amer. Assoc. for Aerosol Res.,Portland, OR, Oct. 14-18, 2019.
16. Ibikunle, I., R. J. Weber, and A. Nenes, Using Nitric Acid- Nitrate Partitioning and Aerosol CompositionData to Constrain Gas-phase Ammonia Levels and Aerosol pH, Amer. Assoc. for Aerosol Res., Portland,OR, Oct 14-18, 2019.
17. Takeuchi, M., J. Min, R. J. Weber, and N. L. Ng, Volatility of Atmospheric Organic Nitrate Formed fromHydroxyl and Nitrate Radical Oxidation of α-Pinene and β-Pinene, Amer. Assoc. for Aerosol Res.,Portland, OR, Oct. 14-18, 2019.
18. Zhang, Q., A. Davis, M. Black, and R. Weber, Particle and Chemical Emissions from 3D Printers andTheir Potential Health Impacts, ASHRAE, SanDiago, 2019.
19. Zhang, Q., A. Davis, M. Black, and R. J. Weber, Particle and Chemical Emissions from 3D Printers andTheir Potential Health Impacts, ASHRAE 2019, Kansas City MO, June 25, 2019.
20. Ibikunle, I., A. Nenes, and R. J. Weber, Does aerosol acidity and divalent ion complexation drive thepartitioning of organic carboxylic acids to the aerosol phase?, Amer. Geophys. Union, Washington,D.C., Dec. 10-14, 2018.
21. Weber, R. J., H. Huey, N. Ng, A. Russell, T. Nah, Y. Chen, Z. Gao, H. Guo, A. Sullivan, D. Tanner, K.Baumann, and E. Edgerton, Particle pH and the Gas-Particle Partitioning of Inorganic and OrganicSpecies: Observations Versus Predictions Amer. Geophys. Union, Washington, D.C., Dec. 10-14, 2018.
22. Chen, Y., T. Nah, D. Tanner, M. Takeuchi, H. Guo, A. P. Sullivan, L. Xu, R. J. Weber, G. Huey, and N. Ng,Chemical Characterization of Secondary Organic Aerosol (SOA) in a Transitional Season of BiogenicVOC Emission, Intern. Aerosol Conf., St Louis, MO, Sept. 2-7, 2018.
23. Fang, T., P. Lakey, R. J. Weber, and M. Shiraiwa, Reactive Oxygen Species Generation by Particle Size-dependent Transition Metal Ions using a Kinetic Multi-layer Model in the Epithelial Lining Fluid, Intern.Aerosol Conf., St Louis, MO, Sept. 2-7, 2018.
24. Joo, T., W. Xu, M. Takeuchi, G. Eris, Y. Chen, D. Huang, G. Saavedra, S. Kim, D. Gao, R. J. Weber, U. Sun,P. Croteau, J. Jayne, and N. Ng, Comparison between ACSM and AMS at an Urban Site in Atlanta, GA:The Use of Capture Vaporizer and PM2.5 Inlet, Intern. Aerosol Conf., St Louis, MO, Sept. 2-7, 2018.
25. Tuet, W., N. Alves, S. Fok, D. Gao, P. Artaxo, P. Vasconcellos, J. Champion, R. J. Weber, and N. Ng,Oxidative Potential and Cellular Oxidant Production from Biomass Burning Aerosol, Intern. AerosolConf., St Louis, MO, Sept. 2-7, 2018.
26. Battaglia, M., R. J. Weber, A. Nenes, and C. Hennigan, Factors Affecting Thermodynamic Modeling ofAerosol pH, Intern. Aerosol Conf., St Louis, MO, Sept. 2-7, 2018.

27. Lawal, A., X. Guan, C. Liu, L. Henneman, V. Bhogineni, R. J. Weber, A. Nenes, and A. Russell, Linked Response of Aerosol Acidity and Ammonia to SO2 and NOx Emissions Reductions in the US., Intern. Aerosol Conf., St Louis, MO, Sept. 2-7, 2018.
28. Nah, T., H. Guo, A. Sullivan, Y. Chen, D. Tanner, A. Nenes, A. Russell, N. Ng, G. Huey, and R. J. Weber, Characterization of Aerosol Composition, Aerosol Acidity and Organic Acid Partitioning at an Agriculture-intensive Rural Southeastern U.S. Site, Intern. Aerosol Conf., St Louis, MO, Sept. 2-7, 2018.
29. Takeuchi, M., G. Eris, T. Joo, Y. Chen, W. Cu, D. Huang, B. Saavedra, S. Kim, D. Gao, R. Weber, U. Sun, M. Waker, B. Williams, J. Ditto, D. Gentner, D. Tanner, G. Huey, and N. Ng, Measurement of Speciated Gaseous and Particulate Organic Nitrates in Urban Atlanta using FIGAERO-HR-ToF-I-CIMS, Intern. Aerosol Conf., St Louis, MO, Sept. 2-7, 2018.
30. Weber, R. J., J. Wong, A. Nenes, J. Mulholland, A. Russell, D. Ye, and S. Sarnat, Synergy between power plant and vehicle emssions produce aerosols linked to adverse cardiovascular outcomes, Intern. Aerosol Conf., St Louis, MO, Sept. 2-7, 2018.
31. Wong, J., M. Tsagaraki, I. Tsiodra, N. Mihalopoulos, K. Violaki, M. Kanakidou, A. Nenes, and R. J. Weber, Atmospheric Evolution of Biomass Burning Organic Aerosol: Implications to Oxidative Potential, Intern. Aerosol Conf., St Louis, MO, Sept. 2-7, 2018.
32. Zeng, L., and R. Weber, Brown Carbon Aerosol Observed in the Remote Atmosphere, Intern. Aerosol Conf., St Louis, MO, Sept. 2-7, 2018.
33. Zeng, L., R. J. Weber, A. Zhang, Y. Wang, E. Scheuer, and J. Dibb, Measurements of Brown Carbon During ATom-2, Amer. Met. Society, Austin, TX, Jan. 7-11, 2018.
34. Zhang, Q., M. Pardo, J. Wong, A. Davis, M. Black, Y. Rudich, and R. J. Weber, Toxicity of Particles Generated from a Consumer Fused Deposition Modeling 3d Printer Using Animal, Cellular and Acellular Models, Intern. Aerosol Conf., St Louis, MO, Sept. 2-7, 2018.
35. Weber, R. J., H. Guo, and A. Nenes, The underappreciated role of nonvolatile cations on aerosol ammonium sulfate molar ratios, Amer. Met. Society, Austin, TX, Jan. 7-11, 2018.
36. Bates, J. T., R. J. Weber, V. Verma, T. Fang, C. Ivey, C. Liu, J. A. Mulholland, P. E. Tolbert, and A. G. Russell, Spatiotemporal Trends in PM2.5 Oxidative Potential Across the Eastern United States Estimated Using CMAQ-DDM Source Impact Analyses, Int. Technical meeting on air poll. modeling and its applications, May 14-18, Ottawa, Ontario, 2018.
37. Shah, V., L. Jaegle, F. D. Lopez-Hilfiker, B. H. Lee, J. A. Thronton, J. C. Schroder, P. Campuzano-Jost, J. L. Jimenez, H. Guo, R. J. Weber, A. P. Sullivan, J. Green, M. Fiddler, and S. Bililign, Aircraft-based observations and modeling of wintertime submicron aerosol composition over the eastern U.S., Amer. Geophys. Union, New Orleans, LA, Dec. 11 -15, 2017.
38. Weber, R., H. Guo, and A. Nenes, The sensitivity of particle pH to NH3: Can high NH3 cause London Fog conditions?, Amer. Geophys. Union, New Orleans, LA, Dec. 11 -15, 2017.
39. Bates, J. T., R. J. Weber, J. Abrams, V. Verma, T. Fang, C. Ivey, M. Klein, M. J. Strickland, S. E. Sarnat, H. H. Chang, J. A. Mulholland, P. E. Tolbert, and A. G. Russell, Impacts of emission sources on spatiotemporal variability in aerosol oxidative potential, American Assocation for Aerosol Research, Raleigh, NC, Oct. 16-20, 2017.
40. Bougiatioti, A., D. Paraskevopoulou, I. Stavroulas, S. Myriokefalitakis, N. Daskalakis, R. Weber, M. Kanakidou, N. Mihalopoulos, and A. Nenes, The impact of biomass burning on fine aerosol acidity, water content and nitrogen partitioning, American Assocation for Aerosol Research, Raleigh, NC, Oct. 16-20, 2017.
41. Chen, Y., T. Nah, D. Tanner, M. Kakeuchi, H. Guo, A. Sullivan, R. J. Weber, G. Huey, L. Xu, and N. Ng, Chemical characterization of secondary organic aerosol under high NH3 in a transitional season of biogenic VOC emission using HR-ToF-AMS, American Assocation for Aerosol Research, Raleigh, NC, Oct. 16-20, 2017.

42. Fang, T., L. Zeng, D. Gao, V. Verma, A. Stefaniak, A. Nenes, and R. J. Weber, Ambient size distributions and lung deposition of aerosol dithiothreitol-measured oxidative potential: Contrasts between soluble and insoluble particles, American Assocation for Aerosol Research, Raleigh, NC, Oct. 16-20, 2017.
43. Guo, H., R. Otjes, F. Bosveld, A. Nenes, and R. J. Weber, The sensitivity of fine particle nitrate to ambient ammonia concentrations assessed through a pH sensitivity analyses, American Association for Aerosol Research, Raleigh, NC, Oct. 16-20, 2017.
44. Nah, T., D. J. Tanner, H. Guo, Y. Ji, R. J. Weber, and L. G. Huey, Real-time measurements of gas phase organic acids using SF6- chemical ionization mass spectrometry American Assocation for Aerosol Research, Raleigh, NC, Oct. 16-20, 2017.
45. Sullivan, A., H. Guo, V. Shah, J. Jaegle, J. A. Thronton, T. Campos, J. Schroder, P. Campuzano-Jost, J. L. Jimenez, and R. J. Weber, Comparison of airborne-based measurements of biomass burning markers levoglucosan and aerosol mass spectrometer m/z 60 and the role of biomass burning during the WINTER campaign, American Assocation for Aerosol Research, Raleigh, NC, Oct. 16-20, 2017.
46. Tuet, W., S. Fok, Y. Chen, R. J. Weber, J. A. Champion, and N. L. Ng, Chemical oxidant production and cellular inflammatory response from secondary organic aerosols (SOA) generated from the photooxidation of biogenic and anthropogenic precursors, American Assocation for Aerosol Research, Raleigh, NC, Oct. 16-20, 2017.
47. Tuet, W., Y. Chen, S. Fok, R. J. Weber, J. A. Champion, and N. L. Ng, Chemical and cellular oxidant production induced by naphthalene secondary organic aerosol (SOA) formed in the presence of iron sulfate, American Assocation for Aerosol Research, Raleigh, NC, Oct. 16-20, 2017.
48. Weber, R., H. Guo, and A. Nenes, The underappreciated role of nonvolatile cations on aerosol ammonium-sulfate molar ratios, American Assocation for Aerosol Research, Raleigh, NC, Oct. 16-20, 2017.
49. Wong, J., A. Nenes, and R. J. Weber, Effects of Atmospheric Aging on Light Absorptivity and Oxidative Potential of Biomass Burning Organic Aerosols, American Assocation for Aerosol Research, Raleigh, NC, Oct. 16-20, 2017.
50. Zhang, Q., G. Sharma, J. P. S. Wong, A. Y. Davis, M. S. Black, P. Biswas, and R. J. Weber, Investigating particle emissions from consumer fused deposition modeling 3D printers with a lognormal moment aerosol dynamic model, American Assocation for Aerosol Research, Raleigh, NC, Oct. 16-20, 2017.
51. Weber, R. J. Aerosol oxidative potential size distributions: A contrast between water soluble and insoluble size distributions, American Chemical Society, Washington DC, Aug. 20-24, 2017.
52. Bougaitioti, A., A. Nenes, D. Paraskevopoulou, L. Fourtziou, I. Stavroulas, E. Liakakou, S. Myriokefalitakis, N. Daskalakis, R. J. Weber, M. Nanakidou, E. Gerasopoulos, and N. Mihalopoulos, Biomass burning and its effects on fine aerosol acidity, water content and nitrogen partitioning, European Geosci Union General Assembly, Vienna, Austria, April 23-28, 2017.
53. Paraskevopoulou, D., A. Bougiatioti, T. Fang, E. Liakakou, R. Weber, J. Nenes, and N. Mihalopoulos, Oxidative potential of ambient particulate matter in Athens, Greece, European Geosci Union General Assembly, Vienna, Austria, April 23-28, 2017.
54. Zhang, Y., H. Forrister, Y. Wang, A. Nenes, and R. J. Weber, Free tropospheric brown carbon: Radiative impact and sources, Amer. Geophys. Union, San Francisco, Dec. 12-16, 2016.
55. Abrams, J., J. T. Bates, M. Klein, R. Weber, A. Russell, J. Mulholland, S. Sarnat, H. Chang, and P. Tolbert, Modeling approaches linking acute health outcomes and reactive oxygen species-generating potential of ambient particulate matter, International Society of Environmental Epidemiology, Rome, Italy, Sept 1-4, 2016.
56. Bates, J. T., R. J. Weber, T. Fang, J. A. Mulholland, A. Russell, J. Abrams, M. Klein, M. Strickland, S. Sarnat, H. Chang, P. Tolbert, and V. Verma, Sources of PM2.5 with high oxidative potential linked to health effects, Air Waste Manag. Assoc. 109th Confernece and Exhibition, New Orleans, Louisiana, June 20-23, 2016.

57. Bates, J. T., R. J. Weber, J. Abrams, V. Verma, T. Gand, C. Ivey, C. Liu, M. Klein, M. J. Stricland, S. E. Sarnat, H. H. Chang, J. A. Mulholland, P. E. Tolbert, and A. G. Russell, Sources and Cardiorespiratory Effects of Oxidative Potential in Water-soluble PM2.5 across the Eastern United States, Int. Technical meeting on air poll. modeling and its applications, Chanda, Crete, Oct 3-7, 2016.
58. Black, M., A. Davis, Q. Zhang, J. Wong, and R. Weber, Fine particulate and chemical emissions from consumer 3D printers, Indoor Air, Ghent, Belgium, July 3-8, 2016.
59. Bougiatioti, A., P. Nikolaou, I. Stavroulas, G. Kouvarakis, A. Nenes, R. Weber, M. Kanakidou, and N. Mihalopoulos, Fine particle water and pH in the Eastern Mediterranean: Sources, variability and implications for nutrients availability, European Geosci Union General Assembly, Vienna, Austria, April 17-22, 2016.
60. Davis, A., J. Wong, Q. Zhang, M. Black, and R. Weber, Fine Particulate and Chemical Emissions from Desktop 3D Printers, ASHRAE, St. Louis MO, June 25-29, 2016.
61. Fang, T., L. Zeng, and R. J. Weber, Ambient Size Distributions of Particulate Matter Oxidative Potential and Estimated Deposition in the Human Respiratory System, Amer. Assoc. for Aerosol Res., Portland, OR, Oct. 17-21, 2016.
62. Gao, D., T. Fang, V. Verma, and R. J. Weber, Methods for quantifying the total oxidative potential of ambient particles, Amer. Assoc. for Aerosol Res., Portland, OR, Oct. 17-21, 2016.
63. Guo, H., A. P. Sullivan, P. Campuzano-Jost, J. C. Sxhroder, F. D. Lopez-Hilfiker, J. E. Dibb, J. L. Jimenez, J. A. Thornton, S. S. Brown, A. Nenes, and R. J. Weber, Fine particle pH and the partitioning of nitric acid during winter in the northeastern United States, Amer. Assoc. for Aerosol Res., Portland, OR, Oct. 17- 21, 2016.
64. Liang, D., J. Moutinho, R. Golan, H. Chang, R. Greenwald, R. Weber, S. Sarnat, A. Russell, V. Verma, and J. Sarnat, Evaluation of Exposure Measurement Error of Single and Multi-pollutant Indicators of Primary Traffic Pollution in the Dorm Room Inhalation to Vehicle Emissions (DRIVE) study, International Society of Environmental Epidemiology, Rome, Italy, Sept 1-4, 2016.
65. Nenes, A., H. Guo, A. Russell, and R. J. Weber, Ambient aerosols remain highly acidic despite dramatic sulfate reductions, European Geosci Union General Assembly, Vienna, Austria, April 17-22, 2016.
66. Nenes, A., R. J. Weber, H. Guo, A. Russell, A. Bougiatioti, and N. Mihalopoulos, High aerosol acidity despite declining atmospheric sulfate concentrations: Lessons from observations and implications for models., Int. Technical meeting on air poll. modeling and its applications, Chanda, Crete, Oct 3-7, 2016.
67. Rodriguez, C. R. W., A. Nenes, and e. al., Global modelling of the ClNO2 production impact on tropospheric nitrogen oxides and main oxidants, European Geosci Union General Assembly, Vienna, Austria, April 17-22, 2016.
68. Sullivan, A. P., H. Guo, and R. J. Weber, Airborne-Based Levoglucosan Measurements and the Role of Biomass Burning During the WINTER Campaign, Amer. Assoc. for Aerosol Res., Portland, OR, Oct. 17- 21, 2016.
69. Tuet, W., Y. Chen, S. Fok, R. J. Weber, J. A. Champion, and N. L. Ng, Chemical and cellular oxidant production from secondary organic aerosols (SOA) generated from the photooxidation of volatile organic compounds, Amer. Assoc. for Aerosol Res., Portland, OR, Oct. 17-21, 2016.
70. Violaki, K., R. Weber, A. Nenes, et al., A realtime, online automated system for measurement of Phosphate ions in atmospheric particles, European Geosci Union General Assembly, Vienna, Austria, April 17-22, 2016.
71. Weber, R., H. Guo, A. Russell, A. Nenes, The Unexpected behavior of fine particle acidity, American Chemical Society, Philadelphia PA., Aug. 22-25, 2016.
72. Weber, R. J., Q. Zhang, J. Wong, A. Davis, and M. Black (2016a), Fine particulate and chemical emissions from desktop 3D printers, Printing for Fabrication, Manchester, UK, Sept 13-15, 2016.
73. Weber, R. J., H. Guo, A. Bougiatioti, N. Mihalopoulos, and A. Nenes (2016b), Fine particle pH, Amer. Assoc. for Aerosol Res., Portland, OR, Oct. 17-21, 2016.

74. Xu, L., H. Guo, R. Weber, and N. Ng, Chemical characterization of water soluble organic matter in rural and contrasting urban environments in the Southeastern United States, Amer. Assoc. for Aerosol Res., Portland, OR, Oct. 17-21, 2016.
75. Zhang, Y., H. Forrister, Y. Wang, A. Nenes, and R. J. Weber, Brown carbon in the free troposphere over the continental United States: radiative impact and sources, Amer. Assoc. for Aerosol Res., Portland, OR, Oct. 17-21, 2016.
76. Bates, J. T., R. J. Weber, J. Abrams, V. Verma, T. Fang, M. Klein, M. Strickland, S. E. Sarnat, H. Chang, J. Mulholland, P. Tolbert, and A. G. Russell, Deconvoluting mixtures of sources on adverse cardiorespiratory effects by measurement and prediction of PM2.5’s ability to generate Reactive Oxygen Species Amer. Geophys. Union, San Francisco, CA, Dec. 14-18, 2015.
77. Bates, J. T., R. J. Weber, J. Abrams, V. Verma, T. Gang, M. Klein, M. J. Strickland, S. E. Sarnat, H. H. Chang, J. A. Hulholland, P. E. Tolbert, and A. G. Russell, Source Impacts on Reactive Oxygen Species Generated by Water-Soluble PM2.5 in Atlanta and Associations with Cardiorespiratory Effects, American Association of Aerosol Research, Minneapolis, MN, Oct. 12-16, 2015.
78. Dibb, J., E. Scheuer, S. Brown, P. Campuzano-Jost, D. Fidiger, H. Guo, J. Jimenez, F. Lopez-Hilfiker, E. McDuffie, J. Schroer, A. Sullivan, J. Thornton, P. Veres, and R. J. Weber, Water soluble ions in bulk aerosol during the WINTER 2015 campaign, Amer. Geophys. Union, San Francisco, CA, Dec. 14-18, 2015.
79. Fang, T., V. Verma, J. T. Bates, J. A. Mulholland, A. G. Russell, and R. J. Weber, Contrasting Oxidative Potential of Ambient Water-Soluble PM2.5 Measured by Dithiothreitol (DTT) and Ascorbic Acid (AA) Assays: Spatiotemporal Distribution, Source Apportionment, and Health Impacts American Association of Aerosol Research, Minneapolis, MN, Oct. 12-16, 2015.
80. Fang, T., V. Verma, J. T. Bates, J. Abrams, M. Klein, M. J. Strickland, S. E. Sarnat, H. H. Chang, J. A. Mulholland, P. E. Tolbert, A. G. Russell, and R. J. Weber, Contrasting Water-Soluble Dithiothreitol (DTT) and Ascorbic Acid (AA) Activities: Spatiotemporal Trends, Source Apportionment, and Health Impacts, Society of Environmental Toxicology and Chemistry, Salt Lake City, Nov 1 – 6, 2015.
81. Forrister, H., J. Liu, E. Schuer, J. Dibb, L. Ziemba, K. Thrornhill, B. Anderson, G. Diskin, A. Perring, J. P. Schwarz, P. Campuzano-Jost, D. Day, J. Jimenez, A. Nenes, and R. J. Weber, Brown carbon lifefime and chemistry following wildfires, American Association of Aerosol Research, Minneapolis, MN, Oct. 12-16, 2015.
82. Gao, D., T. Fang, V. Verma, and R. J. Weber, Stability of ROS measured with the DTT assay, American Association of Aerosol Research, Minneapolis, MN, Oct. 12-16, 2015.
83. Guo, H., A. Nenes, and R. J. Weber, Particle pH from aircraft data: validation and geographical, vertical and seasonal characteristics, Amer. Geophys. Union, San Francisco, CA, Dec. 14-18, 2015.
84. Jaegle, L., S. Brown, R. Cohen, J. Jemenez, R. Weber, J. Dibb, and e. al. (2015), Reactive chlorine emissions and chemistry during WINTER, Amer. Geophys. Union, San Francisco, CA, Dec. 14-18, 2015.
85. Lopez-Hilfiker, F. D., B. H. Lee, V. Shah, J. Haskins, D. Fibiger, E. McDuffie, S. S. Brown, T. Sparks, C. Ebben, P. J. Wooldridge, R. C. Cohen, P. Veres, A. Weinheimer, J. Dibb, J. Schroder, P. Campuzano-Jst, D. A. Day, J. L. Jimenez, A. Sullivan, H. Guo, R. J. Weber, J. Greene, M. Diddler, S. bililign, T. Campos, B. Leen, J. Digangi, G. M. Wolfe, and J. A. Thornton (2015), An overview of reactive chlorine measurements during the WINTER C-130 aircraft campaign, Amer. Geophys. Union, San Francisco, CA, Dec. 14-18, 2015.
86. Moutinho, J. L., D. Liang, R. Golan, C. Ladva, K. Johnson, R. Grewald, R. J. Weber, S. E. Sarnat, V. Verma, D. Jones, J. A. Sarnat, and A. G. Russell, Characterization of Traffic Emissions Exposure Metrics in the Dorm Room Inhalation to Vehicle Emissions (DRIVE) Study: Spatial and Temporal Dynamics in an Urban Area, American Association of Aerosol Research, Minneapolis, MN, Oct. 12-16.

87. Nenes, A., H. Guo, A. Russell, and R. J. Weber (2015), Aerosol pH Buffering in the Southeastern US: Fine Particles Remain Highly Acidic Despite Large Reductions in Sulfate, American Association of Aerosol Research, Minneapolis, MN, Oct. 12-16, 2015.
88. Ng, N. L., L. Xu, S. Suresh, and H. Guo, Aerosol characterization over the southeastern US using high resolution aerosol mass spectrometry: Spatial ans seasonl variation of aerosol composition, sources and organic nitrates, American Association of Aerosol Research, Minneapolis, MN, Oct. 12-16, 2015.
89. Pratt, K., E. Boone, A. Laskin, J. Laskin, H. Guo, R. J. Weber, V. Nhliziyo, A. Ault, and S. Bertman (2015), Tends in oxygenated organic compound composition and water content in atmospheric particles during SOAS, Minneapolis, MN, Oct. 12-16, 2015.
90. Rattanavaraha, W., K. Chu, S. Budisulistiorini, M. Riva, Y. Lin, T. P. Riedel, E. Edgerton, K. Baumann, H. Guo, R. J. Weber, E. Stone, Z. Zhang, A. Gold, and J. Surratt, Investigation of the impact of anthropogenic pollution on isoprene-derived secondary organic aerosol (SOA) in PM2.5 collected at Birmingham, Al during the 2-13 southern joxidant and aerosol study (SOAS), American Association of Aerosol Research, Minneapolis, MN, Oct. 12-16, 2015.
91. Shah, V., L. Jaegle, J. Haskins, P. Campuzano-Jost, J. Schroder, J. L. Jimenez, A. P. Sullivan, R. J. Weber, J. Dibb, J. Green, M. Fiddler, S. Bililign, F. Lopez-Hilfiker, B. H. Lee, P. Veres, and J. A.Thronton, Sources and distribution of aerosols over the northeastern United States during the WINTER aircraft campaign, Amer. Geophys. Union, San Francisco, CA, Dec. 14-18, 2015.
92. Vasilakos, P., H. Pye, Y. Hu, L. Xu, H. Guo, A. Bougiatioti, K. Cerully, A. Goldstein, A. Guenther, N. L. Ng, J. Surrat, R. J. Weber, P. Wennberg, A. Russell, and A. Nenes, Constraining IEPOX and IEPOX-derived SOA formation in CMAQ with the use of SOAS observations, American Association of Aerosol Research, Minneapolis, MN, Oct. 12-16, 2015.
93. Verma, V., T. Fang, J. T. Bates, A. J. Russell, and R. J. Weber, Oxidative Potential of Ambient Particulate Matter in Southeastern United States and the Generation of Reactive Oxygen Species, Society of Environmental Toxicology and Chemistry, Salt Lake City, Nov 1 – 6, 2015.
94. Verma, V., T. Fang, J. T. Bates, A. J. Russell, R. Devlin, and R. J. Weber, Reactive Oxygen Species (ROS) associated with the Ambient Particulate Matter – Insights from Southeastern Center for Air Pollution and Epidemiology (SCAPE) Study, American Association of Aerosol Research, Minneapolis, MN, Oct. 12- 16, 2015.
95. Verma, V., T. Fang, J. T. Bates, A. J. Russell, R. Devlin, and R. J. Weber, Reactive Oxygen Species (ROS) associated with the Ambient Particulate Matter – Insights from Southeastern Center for Air Pollution and Epidemiology (SCAPE) Study, International Society of Explosure Science, Henderson, Nevada, Oct 18-22, 2015.
96. Weber, R. J., H. Guo, A. G. Russell, and A. Nenes, Aerosol pH buffering in the southeastern US: Fine particles remain highly acidic despite large reductions in sulfate, Amer. Geophys. Union, San Francisco, CA, Dec. 14-18, 2015.
97. Xu, L., H. Guo, R. Weber, and N. L. Ng, Ubiquitous presence of particle-phase organic nitrates in the southeastern United States, Amer. Geophys. Union, San Francisco, CA, Dec. 14-18.
98. Xu, L., A. M. Middlebrook, J. Liao, J. D. Gouw, A. Welti, H. Guo, R. J. Weber, A. Nenes, B. H. Lee, J. A. Thornton, J. S. Hoooway, J. B. Bilman, B. M. Lerner, M. Graus, C. Warneke, M. K. Trainer, and N. L. Ng (2015b), Aircraft Measurement of Isoprene-derived Organic Aerosol during the Southeast Nexus (SENEX) Campaign Using an Aerosol Mass Spectrometer, American Association of Aerosol Research, Minneapolis, MN, Oct. 12-16, 2015.
99. Zhang, Q., A. Davis, M. Black, and R. J. Weber, Emissions from consumer 3-D printers, American Association of Aerosol Research, Minneapolis, MN, Oct. 12-16, 2015.

100. Zhang, Y., R. Martinez, D. Mtroo, M. Walker, C. Oxford, X. Zuo, J. T. Du, D. Millet, M. Baasandorj, L. Hu, R. J. Weber, L. King, and B. Williams, Atmospheric observations of secondary aerosol formation from isoprene in the St. Louis region during SLAQRS 2013, American Association of Aerosol Research, Minneapolis, MN, Oct. 12-16, 2015.

101. Ng, N., L. Xu, S. Suresh, R. J. Weber, K. Baumann, and E. Edgerton, Characterization of aerosol composition and sources in the greater Atlanta area by aerosol mass spectrometry, Amer. Geophys. Union, San Francisco, CA, Dec. 15-19, 2014.

102. Verma, V., T. Fang, L. Xu, N. L. Ng, A. Russell, and R. J. Weber, Biomass burning as an important source of reactive oxygen species associated with the atmospheric aerosols in Southeastern United States – Implications for health effects of ambient particulate matter, Amer. Geophys. Union, San Francisco, CA, Dec. 15-19, 2014.

103. Washenfelder, R., H. Guo, A. Attwood, C. Brock, S. Brown, H. Guo, R. J. Weber, L. Xu, N. L. Ng, E. Stone, E. Edgeron, K. Baumann, W. Hu, B. Palm, J. Jimenez, J. Fry, B. Ayres, D. Draper, and H. Allen, Biomass Burning Dominates Brown Carbon Absorption in the Rural Southeastern U.S., Amer. Geophys. Union, San Francisco, CA, Dec. 15-19, 2014.

104. Xu, L., A. Middlebrook, J. Liao, A. Welti, H. Guo, J. Lin, A. Bougiatioti, R. J. Weber, A. Nenes, J. Holloway, J. Gilman, B. Lerner, M. Graus, C. Warneke, M. Trainer, J. D. Gouw, and N. L. Ng, Aircraft Measurement of Isoprene-derived Organic Aerosol during the Southeast Nexus (SENEX) Campaign Using an Aerosol Mass Spectrometer, Amer. Geophys. Union, San Francisco, CA, Dec. 15-19, 2014.

105. Cerully, K., A. Bougiatioti, L. Xu, H. Guo, J. Hite, N. Ng, R. Weber, and A. Nenes, On the Link Between Hygroscopicity, Volatility, and Oxidation State of Ambient and Water-soluble Aerosol in the Southeastern United States, American Association of Aerosol Research, Orlando FL, Oct 20-24, 2014.

106. Fang, T., V. Verma, and R. Weber, Development of a Microfluidic Instrument for the Real-time Measurement of Aerosol Oxidative Potential Using DTT (Dithiothreitol) Assay, American Association of Aerosol Research, Orlando FL, Oct 20-24, 2014.

107. Fang, T., V. Verma, R. E. Peltier, H. Guo, L. King, and R. Weber, Distribution of Ambient Atmospheric Water-soluble Metals in the Southeastern United States and Insights into Their Complexation States, American Association of Aerosol Research, Orlando FL, Oct 20-24, 2014.

108. Guo, H., L. Xu, K. Cerully, A. Bougiatioti, S. Capps, A. Carlton, S. Lee, N. Lee, M. Bergin, A. Nenes, and R. Weber, Particle Water and pH in the Southeastern US, American Association of Aerosol Research, Orlando FL, Oct 20-24, 2014.

109. King, L., H. Guo, T. Fang, V. Verma, E. Edgerton, A. Russell, and R. Weber, The southeastern center for air pollution and epidemiology: Results from the measurement campaign, American Association of Aerosol Research, Orlando FL, Oct 20-24, 2014.

110. Ng, N., M. Kollman, V. Papapostolou, J. Lawrence, S. Suresh, V. Verma, R. Weber, A. Russell, and P. Koutrakis, Investigating the Health Effects of Fresh and Aged Traffic Aerosols: Linking Particle Oxidative Potential to Chemical Composition, American Association of Aerosol Research, Orlando FL, Oct 20-24, 2014.

111. Verma, V., T. Fang, L. King, H. Guo, and R. Weber, Sources of Reactive Oxygen Species (ROS) Generation Properties of Atmospheric Aerosols in Southeastern United States, American Association of Aerosol Research, Orlando FL, Oct 20-24, 2014.

112. Verma, V., T. Fang, L. Xu, N. Ng, and R. Weber, Application of Aerosol Mass Spectrometry to infer the Sources of the Reactive Oxygen Species Generating Properties of Organic Aerosols in the Southeastern United States, American Association of Aerosol Research, Orlando FL, Oct 20-24, 2014.

113. Walker, M., B. Williams, R. Martinez, Y. Zhang, D. Mitroo, D. Hagan, S. Shawan, L. Du, J. Turner, H. Guo, L. King, R. Weber, L. Hu, M. Baasandorj, and D. Millet, Instrument Intercomparison of Black Carbon Measurements and Correlations with Gas and Aerosol Composition during an Urban Field Study, American Association of Aerosol Research, Orlando FL, Oct 20-24, 2014.

114. Wang, Y., V. Verma, T. Gang, and R. J. Weber, Spatial and Seasonal Variation in the Molecular Composition of the Humic-Like-Substances (HULIS) Fraction of Ambient Aerosols: Clue for the Sources of Aerosol Oxidative Potential, American Association of Aerosol Research, Orlando FL, Oct 20-24, 2014.

115. Washenfelder, R., H. Guo, A. Attwood, C. Brock, S. Brown, H. Guo, R. J. Weber, L. Xu, N. L. Ng, E. Stone, E. Edgeron, K. Baumann, W. Hu, B. Palm, J. Jimenez, J. Fry, B. Ayres, D. Draper, and H. Allen, Biomass Burning Dominates Brown Carbon Absorption in the Rural Southeastern U.S., American Association of Aerosol Research, Orlando FL, Oct 20-24, 2014.

116. Williams, B., D. Mitroo, R. Martinez, Y. Zhang, M. Walker, C. Oxford, X. Zuo, D. Hagan, S. Dhawan, L. Du, J. Turner, G. McMeeking, L. King, H. Guo, R. Weber, M. Baasandorj, L. Hu, and D. Millet, Highlights from the St. Louis Air Quality Regional Study (SLAQRS) 2013, American Association of Aerosol Research, Orlando FL, Oct 20-24, 2014.

117. Xu, L., H. Guo, C. Boyd, K. Cerully, A. Bougiatioti, L. King, R. Weber, A. Nenes, and N. Ng, Chemical Characterization of Organic Aerosol during SOAS Using High Resolution Aerosol Mass Spectrometer, American Association of Aerosol Research, Orlando FL, Oct 20-24, 2014.

118. Weber, R. J., J Liu, M. Bergin, J Jai Devi, E. Scheuer, J. Dibb, B. E. Anderson, K. L.Thornhill, J. Schwarz, R. Gao, Recent Studies on the Sources, Prevalence and Optical Importance of Brown Carbon, American Met. Society, Feb 2- 7, Atlanta GA, 2014

119. Liu, J., E. Scheuer, J. Dibb, G. Diskin, K. Thornhill, B. Anderson, J. Schwarz, R. Gao, A. Wisthaler, J. Jaidevi, M. Bergin, and R. J. Weber, Brown carbon in the free troposphere, Amer. Geophys. Union, Dec 9-13, San Francisco, 2013.

120. Weber, R. J., J. Liu, M. Bergin, E. Edgerton, H. Guo, and L. King, Size-resolved measurements of brown carbon for estimating contributions to fine particle light absorption, Amer. Geophys. Union, Dec 9-13, San Francisco, 2013.

121. Xu, L., H. Guo, K. Cerully, A. Bougiatioti, L. King, R. Weber, A. Nenes, N. Ng, A. Carlton, and K. Nguyen, Chemical characterization of water soluble organic aerosol during SOAS using high a resolution aerosol mass spectrometer, Amer. Geophys. Union, Dec 9-13, San Francisco, 2013.

122. Budisulistiorini, S. H., M. Canagaratna, P. Croteau, K. Baumann, E. Edgerton, N. L. Ng, V. Verma, W. Marth, S. Shaw, E. Knipping, D. Worsnop, J. Jayne, R. Weber, and J. Surratt, Aerosol chemical speciation monitor (ACSM) inter-comparison study for ambient fine aerosol measurements in downtown Atlanta, Georgia, American Association of Aerosol Research, Portland Or, Sept 30-Oct 34, 2013.

123. Cerully, K., A. Bougaitioti, L. Xu, H. Guo, R. J. Weber, N. Ng, and A. Nenes, Investigation of aerosol in the southesastern U.S. during the SOAS field campaigh: cloud condensation nuclei activity, hygroscopicity, droplet activation kinetics, and volatility of ambient and water-soluble aerosol, American Association of Aerosol Research, Portland Or, Sept 30-Oct 34, 2013.

124. Cheng, Y., K. He, F. Duan, B. Engling, and R. J. Weber, Biomass burning contribution to Beijing aerosol, American Association of Aerosol Research, Portland Or, Sept 30-Oct 34, 2013.

125. Du, Z., K. He, K. Duan, Y. Cheng, J. Liu, and R. J. Weber, Sources and light absorption properties of water-soluble organic carbon in Beijing, American Association of Aerosol Research, Portland Or, Sept 30-Oct 34, 2013.

126. Fang, T., V. Verma, and R. J. Weber, Semi-automated system for measuring oxidative potential of ambient particles collected on filters using dithiothreitol (DTT) assay, American Association of Aerosol Research, Portland Or, Sept 30-Oct 34, 2013.

127. Verma, V., T. Fang, L. King, H. Guo, E. Edgerton, and R. J. Weber, Contrasting profiles of the oxidative properties of ambient aerosols collected from urban and rural environments in Atlanta, American Association of Aerosol Research, ,, Portland Or, Sept 30-Oct 34, 2013.

128. Xu, L., H. Guo, L. King, V. Verma, R. J. Weber, and N. L. Ng, A study of secondary organic aerosol formation influenced by mixed anthropogenic and biogenic emissions in Atlanta area by high resolution mass spectrometer, American Association of Aerosol Research, Portland Or, Sept 30-Oct 34, 2013.

129. Bahreini, R., A. M. Middlebrook, J. A. D. Gouw, C. Warneke, M. Trainer, C. A. Brock, H. Stark, S. S. Brown, W. P. Dube, J. B. Gilman, K. Hall, J. S. Holloway, W. C. Kuster, A. E. Perring, A. S. H. Prevot, J. P. Schwarz, J. P. Sprackman, S. Szidat, N. L. Wagner, R. J. Weber, P. Zotter, and D. D. Parrish , Organic Aerosol Formation and Processing in the Los Angeles Basin: Role of Gasoline vs. Diesel Emissions, American Association of Aerosol Research, Minneapolis MN, Oct 8-12, 2012.

130. Hayes, P., A. Ortega, M. J. Cubison, W. Hu, D. Toohey, J. Flynn, N. Grossberg, B. Lefer, S. Alvarez, B. Rappengluck, J. D. Allan, J. S. Holloway, P. Massoli, K. Froyd, S. Murphy, J. Liu, R. J. Weber, A. Corrigan, L. M. Russell, and J. Jimenez , Organic Aerosol Composition, Sources, and Modeling for Los Angeles during the 2010 CalNex Campaign, American Association of Aerosol Research, Minneapolis MN, Oct 8- 12, 2012.

131. King, L., V. Verma, and R. J. Weber , Semi-continuous online measurements of reactive oxygen species in the particle and gas phase, American Association of Aerosol Research, Minneapolis MN, Oct 8-12, 2012.

132. Kotra, N., V. Verma, J. Liu, J. D. Surratt, E. Edgerton, N. L. Ng, and R. J. Weber , Performance Evaluation of a Recently Developed Aerosol Chemical Speciation Monitor (ACSM), American Association of Aerosol Research, Minneapolis MN, Oct 8-12, 2012.

133. Liu, J., M. H. Bergin, and R. J. Weber , MOUDI Size-Resolved Measurements of Elemental and Brown Carbon and Their Contributions to Light Absorption based on Mie Theory Calculations, American Association of Aerosol Research, Minneapolis MN, Oct 8-12, 2012.

134. Verma, V., N. Kotra, L. King, J. Liu, R. Rico-Martinez, T. W. Snell, and R. J. Weber , Comparative analysis of the contribution of water-soluble and insoluble PM components in the toxicological properties of ambient atmospheric aerosols, American Association of Aerosol Research, Minneapolis MN, Oct 8-12, 2012.

135. You, Y., L. Renbaum-Wolff, M. Carreras-Sospedra, S. Hanna, N. Hiranuma, S. Kamal, M. Smith, X. Zhang, R. Weber, J. Shilling, D. Dabdub, S. Martin, and A. Bertram , Images Reveal That Atmospheric Particles Can Undergo Liquid-Liquid Phase Separations., American Association of Aerosol Research, Minneapolis MN, Oct 8-12, 2012.

136. Hayes, P., A. Ortega, M. J. Cubison, W. Hu, D. Toohey, J. Flynn, N. Grossberg, B. Lefer, S. Alvarez, B. Rappengluck, J. D. Allan, J. S. Holloway, P. Massoli, K. Froyd, S. Murphy, J. Liu, R. J. Weber, A. Corrigan, L. M. Russell, and J. Jimenez, Aerosol Composition in the Los Angeles Basin Studied by High Resolution Aerosol Mass Spectrometry, Amer. Geophys. Union, Dec. 5-9, San Francisco, 2011.

137. Murphy, J. G., R. A. Ellis, M. Z. Markovic, T. C. VandenBoer, P. L. Hayes, M. J. Cubison, J. L. Jimenez, J. Liu, R. J. Weber, P. Veres, A. K. Cochran, and J. M. Roberts, Ammonia as an observational constraint on aerosol pH in rural and urban environments, Amer. Geophys. Union, Dec. 5-9, San Francisco, 2011.

138. Roberts, J. M., P. Veres, J. Jimenez, P. Hayes, and R. Weber, What do Nitryl Chloride Observations imply about Chloride – Active Chlorine Chemistry taking place on Aerosols?, Amer. Geophys. Union, Dec. 5-9, San Francisco, 2011.

139. Zhang, X., J. Liu, E. Parker, and R. J. Weber, Evidence for different SOA formation mechanisms in Los Angeles and Atlanta with contrasting emissions, Amer. Geophys. Union, Dec. 5-9, San Francisco, 2011.

140. Hayes, P., A. Ortega, M. J. Cubison, W. Hu, D. Toohey, J. Flynn, N. Grossberg, B. Lefer, S. Alvarez, B. Rappengluck, J. D. Allan, J. S. Holloway, P. Massoli, K. Froyd, S. Murphy, J. Liu, R. J. Weber, A. Corrigan, L. M. Russell, and J. Jimenez, Aerosol Composition in Los Angeles During the 2010 CalNex Campaign Studied by High Resolution Aerosol Mass Spectrometry, American Association of Aerosol Research, Orlando Fl, Oct. 3-7, 2011.

141. King, L., V. Verma, and R. Weber, Refinement and testing of a fluorometric assay for continuous online ROS measurement and results from preliminary field deployments, American Association of Aerosol Research, Orlando Fl, Oct. 3-7, 2011.

142. Kotra, N., L. King, and R. J. Weber, Optimization of ROS measurement with Amplex Red, American Association of Aerosol Research, Orlando Fl, Oct. 3-7, 2011.

143. Liu, J., X. Zhang, E. Parker, R. J. Weber, P. Veres, and P. Hayes, Investigating the Partitioning of Nitric and Organic Acids in Los Angeles During 2010 CalNex Campaign, American Association of Aerosol Research, Orlando Fl, Oct. 3-7, 2011.

144. Oakes, M., E. D. Ingall, M. M. Shafer, B. Lai, M. Hays, T. Russell, and R. J. Weber, nsight on the Relationship between Iron Solubility and Speciation in Ambient and Source Particles, American Association of Aerosol Research, Orlando Fl, Oct. 3-7, 2011.

145. Surratt, J., Y. Lin, C. Rubitschum, J. Offenberg, T. Kleindienst, X. Zhang, R. Weber, K. Prather, K. Suski, J. deGouw, A. Corrigan, and L. Russell, Chemical Characterization and Quantification of Organosulfates and Nitrated Organosulfates Derived from BVOCs in PM2.5 Collected During the CalNex 2010 Campaign, American Association of Aerosol Research, Orlando Fl, Oct. 3-7, 2011.

146. Zhang, X., J. Liu, and R. J. Weber, Measurements of light absorption spectra of fine particle aqueous extracts during CalNex, American Association of Aerosol Research, Orlando Fl, Oct. 3-7, 2011.

147. Zhang, X., J. Liu, and R. J. Weber, Contrasting SOA formation mechanisms observed at two urban sites, American Association of Aerosol Research, Orlando Fl, Oct. 3-7, 2011.

148. Davis, D., W. Neff, Y. Wang, T. Zeng, K. Brady, R. Weber, P. Wine, M. Nicovitch, A. Beyersdorf, and R. Arimoto, Yearly trends in south pole atmospheric surlur and nitrogen species and their potential use in ice core interpretations, American Geophysical Union, Dec 13-17 San Francisco CA, 2010.

149. Ellis, R. A., J. G. Murphy, P. L. Hayes, M. J. Cubison, J. L. Jimenez, and R. J. Weber, Gas-particle partitioning of atmospheric ammonia at the CalNex-LA ground site, American Geophysical Union, Dec 13-17 San Francisco CA, 2010.

150. Goldstein, A. H., D R Gentner, G. A. Isaacman, D. R. Worton, Y. Zhao, R. Weber, N. M. Kreisberg, S. V. Hering, B. J. Williams, T. Hohaus, J. Jayne, A. Lambe, L. R. Williams, and J. L. Jimenez, In-Situ observations of speciated organics in gas and particle phases: CalNex2010 Bakersfield and Los Angeles American Geophysical Union, Dec 13-17 San Francisco CA, 2010.

151. Hayes, P. L., A. M. Ortega, M. J. Cubison, W. Hu, D. W. Toohey, J. H. Flynn, N. Grossberg, B. L. Lefer, S. Alvarez, B. Rappengluck, J. D. Allan, J. S. Holloway, K. D. Froyd, D. M. Murphy, J. Liu, R. J. Weber, and J. L. Jimenez, Aerosol composition in Los Angeles during the 2010 CalNex campaign studid by high resolution aerosol mass spectrometry, American Geophysical Union, Dec 13-17 San Francisco CA, 2010.

152. Hecobian, A., C. Hennigan, L. G. Huey, M. Cubison, J. Jimenez, S. Vay, G. Diskin, G. Sachse, A. Wisthaler, T. Mikoviny, A. Weinheimer, D. Knapp, P. Wennberg, J. Crouse, and R. J. Weber, Investigating Emissions and Evolution of Trace Gases and Aerosol Components from Biomass Burning Plumes in Canadian Boreal Forests during ARCTAS-2008, American Geophysical Union, Dec 13-17 San Francisco CA, 2010.

153. Hecobian, A., R. J. Weber, and et al., Investigating emissions and evolution of trace gases and aerosols from biomass burning plumes measured during the ARCTAS-2008 field campaign, Amer. Met. Society, 17–21 January, Atlanta, Ga., 2010.

154. Lathem, T. L., R. H. Moore, B. E. Anderson, R. Bahreini, C. Brock, T. Clarke, J. Cozic, J. Jimenez, A. Middlebrook, R. Weber, and A. Nenes, Measurements of Cloud Condensation Nuclei and Droplet Activation Kinetics in Pollution-influenced Arctic Air Masses during the Spring and Summer of 2008 (NASA ARCTAS / NOAA ARCPAC), Amer. Met. Society, 17–21 January, Atlanta, Ga., 2010.

155. Moore, R. H., L. T. Padro, A. Nenes, X. Zhang, N. Rastogi, W. Shi, M. Zheng, and R. J. Weber, Compositional and mixing state impacts on CCN concentrations in an Heterogeneous Urban Environment, Amer. Met. Society, 17–21 January, Atlanta, Ga., 2010.

156. Oakes, M., J. J. Schauer, M. Shafer, and R. J. Weber, Characterization of water-soluble ferrous iron sources and temporal variability in Atlanta GA, American Association of Aerosol Research, San Dieago CA, March, 2010.

157. Oakes, M., R. J. Weber, E. Ingall, and R. Russell, Characterization of Soluble Iron in Urban and Rural Aerosols Using Synchotron Technology and Online Measurements, Amer. Met. Society, 17–21 January, Atlanta, Ga., 2010.

158. Rastogi, N., R. J. Weber, X. Zhang, E. Edgerton, and E. Ingall, Water-Soluble Organic Nitrogen in Ambient Aerosols over southeast USA during AMIGAS study, IGAC, Halifax NS, July 2010, 2010.

159. Rastogi, N., R. J. Weber, X. Zhang, E. Edgerton, and E. Ingall, Characterization of water-soluble organic nitrogen in ambient aerosols over the southeastern USA during AMIGAS study, American Association of Aerosol Research, Portland, Oct 25 – 29, 2010.

160. Weber, R., X. Zhang, A. Hecobian, M. Zheng, and N. Frank, Water-soluble secondary organic aerosol, brown carbon and oxalic acid in the south-eastern united states, American Association of Aerosol Research, Portland, Oct 25 – 29, 2010.

161. Weber, R. J., Secondary organic aerosol in the Southeastern United States: A summary of findings from ambient studies, Amer. Met. Society, 17–21 January, Atlanta, Ga., 2010.

162. Zhang, X., N. Frank, and R. J. Weber, Assessment of biomass burning impacts on ambient PM2.5 over the Southeastern U.S. in 2007 from analysis of archived FRM filters, American Met. Society, , 17–21 January, Atlanta, Ga., 2010.

163. Zhang, X., and R. J. Weber, Sources of Water-soluble Organic Aerosol in the Southeastern United States – Evidence of SOA Formed Through Heterogeneous Reactions, American Geophysical Union, Dec 13-17 San Francisco CA, 2010.

164. Zheng, M., X. Zhao, W. Shi, E. S. Edgerton, X. Zhang, R. J. Weber, and J. Schauer, Investigating organic aerosol at two sites in Georgia, USA, American Association of Aerosol Research, San Dieago CA, March, 2010.

165. Hecobian, A., Weber, R. J., and Team, A. S.: Comparison of the Chemical and Physical Evolution and Characteristics of 495 Biomass Burning Plumes Intercepted by the NASA DC-8 Aircraft during the ARCTAS/CARB-2008 Field Campaign, American Geophysical Union, Dec 14-18, San Francisco CA, 2009.

166. Hecobian, A., Zhang, X., Frank, N., and Weber, R. J.: The relationship between UV/VIS light absorption spectra and water-soluble aerosol composition at various rural and urban sites in Southeastern United States, American Association of Aerosol Research, Minneapolis MN, Oct. 26-30, 2009.

167. Lange, S., Shafer, M., Schauer, J., and Weber, R. J.: Novel Approaches for Online Measurement of Nitrate in Ambient Aerosols: Development and Comparison of a UV-Spectrophotometric and a Biosensor Method., American Association of Aerosol Research, Minneapolis MN, Oct. 26-30, 2009.

168. Lathem, T., Moore, R., Nenes, A., Anderson, B., Beyersdorf, A., Thronhill, L., Winstead, E., Jimenez, J., Cubison, M., Weber, R., Hecobian, A., Clarke, A., McMaughton, C., and Howell, S.: Investigating the CCN Activation Kinetics of aerosol in Arctic Haze and Canadian Boreal Forest Fires American Geophysical Union, Dec 14-18, San Francisco CA, 2009.

169. Moore, R. H., Lathem, T., Nenes, A., Bahreine, R., Middlebrook, A., Cozic, J., Brock, C., Anderson, B., Beyersdorf, A., Thornhill, L., Winstead, E., Cubison, M., Jimenez, J., Weber, R., and Hecobian, A.: An Overview of CCN Activity and Droplet Growth Kinetics Measurements of Arctic Aerosol During the 2008 NOAA ARCPAC and NASA ARCTAS Campaigns, American Geophysical Union, Dec 14-18, San Francisco CA, 2009.

170. Nenes, A., Lathem, T., Moore, R., Anderson, B., Bahreini, R., Brock, C., Beyersdorf, A., Clarke, A., Cozic, J., Cubison, M., Hecobian, A., Howell, S., Jimeniz, J., McNaughton, C., Middlebrook, A., Thornhill, L., Weber, R., and Winstead, E.: Understanding the aerosol-cloud droplet link in the Arctic: A perspective derived from ARCTAS and ARCPAC data, American Geophysical Union, Dec 14-18, San Francisco CA, 2009.

171. Nowak, J. B., Neuman, J., Holloway, J., Parrish, D., Gouw, J. d., Warneke, C., Ryerson, T., Brock, C., Wollny, A., Weber, R., Peltier, R., Trainer, M., and Fehsenfeld, F.: Airborne Observations of Ammonia in Aged Forest Fire Plumes, American Geophysical Union, Dec 14-18, San Francisco CA, 2009.

172. Padro, L. T., Moore, R. H., Zhang, X., Rastogi, N., Shi, W., Zheng, M., Weber, R. J., and Nenes, A.: Mixing state, CCN activity and droplet growth kinetics of size-resolved CCN in an urban environment, American Association of Aerosol Research, Minneapolis MN, Oct. 26-30, 2009.

173. Thornhill, L., Anderson, B. E., Chen, G., Winstead, E., Beyersdorf, A., Diskin, G., Sasche, G., Vay, S., Nenes, A., Lathem, T., Jimenez, J., Cubison, M., Wisthaler, A., Weinheimer, A., Weber, R., Dibb, J., and Kondo, Y.: Assessment of anthropogenic and biomass burning impact on aerosol properties over California as observed during ARCTAS-CA, American Association of Aerosol Research, Minneapolis MN, Oct. 26-30, 2009.

174. Wang, Q., Jacob, D., Kondo, Y., Jimenez, J., Weber, R., and Apel, E.: Sources and Sinks of Carbonaceous Aerosols in the Arctic in Spring, American Geophysical Union, Dec 14-18, San Francisco CA, 2009.

175. Weber, R. J.: Secondary organic aerosol in the southeastern U.S.A., GA Air Policy Symposium (GAPS), 4 Aug. 2009, Atlanta GA, 2009.

176. Weber, R. J. I.: Recent investigations into secondary organic aerosol formation, 2009 Joint Assembly (AGU), 24-27 May 2009, Toronto, Ontario, Canada, 2009.

177. Zhang, X., Edgerton, E., Frank, N., and Weber, R. J.: On the Spatial Distribution of Fine Particle Water- Soluble Organic Aerosol in the Southeastern United States, American Association of Aerosol Research, Minneapolis MN, Oct. 26-30, 2009.

178. Zhang, X., Frank, N., and Weber, R. J.: A year-long study on the spatial and temporal variability in aerosol chemistry in the Southeastern United States from analysis of archived FRM Filters, American Association of Aerosol Research, Minneapolis MN, Oct. 26-30, 2009

179. Weber, R. J., C. Hennigan, M. Bergin, J. Dibb, A. Russell, and A. Nenes, Evidence for secondary organic aerosol formation involving liquid—phase partitioning of haze particles in summertime Atlanta: American Geophysical Union, v. Dec 15-19, San Francisco CA, 2008

180. Brown, S. S., J. A. deGouw, C. Warneke, T. B. Ryerson, W. P. Dube, E. Atlas, R. J. Weber, R. Peltier, J. A. Neuman, J. M. Roberts, A. Swanson, F. Flocke, S. A. McKeen, J. Brioude, R. Sommariva, M. Trainer, F. C. Fehsenfeld, and A. R. Ravishankara, Nocturnal isoprene oxidation over the Northeast United States and its impact on reactive nitrogen partitioning and secondary organic aerosol: American Geophysical Union, v. Dec 15-19, San Francisco CA., 2008

181. de Gouw, J. A., C. Warneke, J. S. Holloway, D. D. Parrish, M. Trainer, and F. C. Fehsenfeld, Is carbonyl sulfide an inverse tracer for biogenic orgaic carbon in the gas and aerosol phases?: American Geophysical Union, v. Dec 15-19, San Francisco CA, 2008.

182. Kulkarni, S., B. Adhikary, A. Dallura, C. Wei, G. Carmichael, Y. Tang, D. Streets, Q. Zhang, R. B. Pierce, J. A. Al-Saadi, J. E. Dibb, A. J. Weinheimer, G. S. Diskin, R. J. Weber, J. Jimenez, and Y. Kondo, Influence of biomass burning and mid-latitude pollution on the Arctic Atmosphere during the ARCTAS field campaign: A three dimensional modeling analysis: American Geophysical Union, v. Dec 15-19, San Francisco CA, 2008.

183. Docherty, K. S., I. M. Ulbrich, A. C. Aiken, J. A. Huffman, M. J. Cubison, P. F. DeCarlo, E. J. Dunlea, D. Sueper, J. R. Kimmel, R. E. Peltier, R. J. Weber, D. C. Snyder, J. J. Schauer, B. D. Grover, D. J. Eatough, B. J. WIlliams, M. McKay, A. Goldstein, and J. L. Jimenez, Characterization of ambient southern California organic aerosols during the 2005 study of organic aerosol in Riverside (SOAR-1) campaign using positive matrix factorization of high resolution aerosol mass spectra: American Association of Aerosol Research, v. October 20-24 Orlando, Florida, 2008.

184. Hennigan, C. J., M. H. Bergin, J. E. Dibb, and R. J. Weber, Enhanced SOA formation due to water uptake by ambient particles: American Association of Aerosol Research, v. October 20-24 Orlando, Florida, 2008.

185. Oakes, M., N. Rastogi, R. J. Weber, B. Majestic, J. J. Schauer, M. Shafer, and D. S. Gross, Development and field deployment of an online system for speciation of water-soluble iron in aerosols: American Association of Aerosol Research, v. October 20-24 Orlando, Florida, 2008.

186. Rastogi, N., R. J. Weber, J. J. Schauer, and M. Shafer, On The Use of Ion Selective Electrodes for Online Measurement of Aerosol Inorganic Composition: American Association of Aerosol Research, v. October 20-24 Orlando, Florida, 2008.

187. Hennigan, C. J., M. H. Bergin, J. E. Dibb, and R. J. Weber, Enhanced SOA formation due to water uptake by fine particles: 9th International Conference on Carbonaceous Particles in the Atmosphere, v. August 12-14 Lawrence Berkeley National Laboratory, Berkeley, CA, 2008.

188. Rastogi, N., M. Oakes, R. Weber, B. Majestic, M. Shafer, D. Snyder, and J. Schauer, 2008a, Online measurements of water-soluble iron in ambient aerosols: A new technique: 2008 Joint Assembly (AGU), v. 27-30 May Fort Lauderdale, FL.

189. Brock, C., J.d. Gouw, A. Wollny, R. Weber, R. Peltier, and A. Sullivan, What controls the relative abundance of organic and sulfate aerosol mass in the northeastern United States?, American Association of Aerosol Research, Reno, NV, Sept. 24- 28, 2007.

190. de Gouw, J.A., C. Brock, A. Middlebrook, R.J. Weber, and T. Bates, Emissions and secondary formation of organic aerosols in the polluted atmosphere: New results from the northeastern U.S. in 2004 and Texas in 2006, American Association of Aerosol Research, Reno, NV, Sept. 24- 28, 2007.

191. de Gouw, J.A., D. Welsh-Bon, C. Warneke, W.C. Kuster, L.G. Huey, A.P. Sullivan, R.J. Weber, E.A. Stone, and J.J. Schauer, Chemistry of Volatile Organic Compounds and Organic Aerosol in the Outflow from Mexico City, American Geophysical Union, Dec 10-14, San Francisco CA, 2007.

192. Ding, X., L. Yu, R. Weber, M. Zheng, E. Edgerton, and A. Russell, Spatial and seasonal variations of secondary organic tracers in the southeastern United States, American Association of Aerosol Research, Reno, NV, Sept. 24- 28, 2007.

193. Dunlea, E., P. DeCarlo, A. Aiken, J. Kimmel, R. Bahreini, R. Peltier, R. Weber, J. Tomlinson, D. Collins, Y. Shinozuka, S. Howell, A. Clarke, L. Emmons, E. Apel, G. Pfister, A.v. Donkelaar, D. Millet, and J. Jimenez, Observations of Processed Asian Pollution with a High-Resolution Time-of-Flight Aerosol Mass Spectrometer (HR-ToF-AMS) from the C-130 Aircraft During the INTEX-B Field Campaign, American Geophysical Union, Dec 10-14, San Francisco CA, 2007.

194. Fountoukis, A., A. Sullivan, R. Weber, T. Vanreken, M. Ficher, E. Matias, M. Moya, D. Farmer, and R. Cohen, Simulating the partitioning of semivolatile inorganic aerosol during the MILAGRO 2006 Campaign, American Association of Aerosol Research, Reno, NV, Sept. 24- 28, 2007.

195. Hennigan, C.J., A.P. Sullivan, R.E. Peltier, R.J. Weber, C. Fountoukis, A. Nenes, D. Farmer, P. Wooldridge, and R.C. Cohen, Investigating the volatility of SOA in different urban environments, American Association of Aerosol Research, Reno, NV, Sept. 24- 28, 2007.

196. Lance, S., L. Padro, A. Sullivan, R. Weber, A. Nenes, E. Cross, T. Onasch, D. Worsnop, X. Yu, L. Alexander, and J.N. Smith, Water-Aerosol Interactions Downwind of Mexico City: Inferences about Mixing State, Droplet Growth Kinetics and Aging of Ambient Aerosol, American Geophysical Union, Dec 10-14, San Francisco CA, 2007.

197. Oakes, M., N. Rastogi, R. Weber, B. Majestic, M. Shafer, and J. Schauer, Hourly speciation of water- soluble metals in aerosols using a Particle-Into-Liquid Sampler and Liquid Wave Guide Capillary Cell, American Association of Aerosol Research, Reno, NV, Sept. 24- 28, 2007.

198. Padro, L., C. Hennigan, T. Lathem, A. Nenes, and R. Weber, Investigation of thermodynamic properties, CCN activity and droplet growth kinetics of carbonaceous aerosol in Mexico City, American Association of Aerosol Research, Reno, NV, Sept. 24- 28, 2007.

199. Stone, E., D. Snyder, R. Sheesley, J. Schauer, R. Weber, and A. Sullivan, Source apportionment of fine organic aerosol in Mexico City during the MILAGRO-2006 field campaign, American Association of Aerosol Research, Reno, NV, Sept. 24- 28, 2007.

200. Weber, R., R. Peltier, A. Hecobian, D. Blake, E. Atlas, D. Riemer, T. Karl, E. Apel, T. Campos, and A. Stohl, Contrast Between the Sources and Atmospheric Processing of Fine Particles from Asia and North America Measured During INTEX B, American Geophysical Union, Dec 10-14, San Francisco CA , 2007.

201. Yan, B., M. Zheng, A. Sullivan, R. Weber, S. Lee, C.E. Cobb, S. Chandru, H. Kim, and A. Russell, Temporal and spatial variations of primary organic carbon sources an biogenic SOA impacts, American Association of Aerosol Research, Reno, NV, Sept. 24- 28, 2007.

202. Lance, S., T. VanReken, M.J. Dunn, J.N. Smith, L. Padro, A. Asa-Awuku, A. Sullivan, R. Weber, A. Nenes, and M. Hannigan (2006), Measuring water-aerosol interactions downwind of Mexico City: Inferences about chemical composition and aging of ambient aerosols, International Aerosol Conference, St Paul MN, Sept 10-15, 2006.

203. Peltier, R., A. Sullivan, R.J. Weber, J.J. Schauer, and D. Snyder (2006), A method for online OC detection: The PILS-WSOC transformed to PILS-OC, International Aerosol Conference, St Paul MN, Sept 10-15, 2006.

204. Song, C.H., C.M. Kim, Y.J. Lee, R.J. Weber, B.K. Lee, and D.S. Lee, Reaction probabilities of sulfate and nitrate precursors onto east asian dust particles, International Aerosol Conference, St Paul MN, Sept 10-15., 2006.

205. Weber, R.J., A. Sullivan, R. Peltier, C. Hennigan, A. Russell, B. Yan, M. Zheng, J.d. Gouw, C. Warneke, J. Holloway, E. Atlas, and E. Edgerton (2006), Secondary organic aerosol formation in metropolitan Atlanta GA, International Aerosol Conference, St Paul MN, Sept 10-15, 2006.

206. Brock, C.A., A. Sullivan, R. Peltier, R.J. Weber, J. deGouw, T.S. Bates, T. Quinn, A.M. Middlebrook, D.M. Murphy, E. Atlas, A. Stohl, M. Trainer, O.R. Cooper, F.C. Fehsenfeld, J.S. Holloway, G. Hubler, P.K. Hudson, J.A. Neuman, T.B. Ryerson, C. Warneke, and J.C. Wilson, Chemical and microphysical evolution of aerosols transported from the east coast of United States, American Geophysical Union, Dec 10-15, San Francisco CA, 2006.

207. de Gouw, J.A., C. Brock, C. Warneke, A.M. Middlebrook, W.C. Kuster, P.D. Goldan, B.M. Lerner, E.J. Williams, J.S. Holloway, F.C. Fehsenfeld, R.E. Peltier, A.P. Sullivan, R.J. Weber, T.B. Onasch, P.K. Quinn, T.S. Bates, and E.L. Atlas, Organic aerosol is formed in unexpectedly large amounts in urban plumes, American Geophysical Union, Dec 10-15, San Francisco CA., 2006.

208. Bahreini, R., B. Matthew, A.M. Middlebrook, F.C. Fehsenfeld, R. Peltier, R. Weber, K. Shulz, and P. Quinn, Comparisons of Aerosol Phase Sulfate, Nitrate, and Ammonium Concentrations Measured by an Aerodyne Aerosol Mass Spectrometer and a Particle Into Liquid Sampler, American Geophysical Union, Dec 5-9, San Francisco CA, 2005.

209. Brock, C., A. Wollny, J.d. Gouw, C. Warneke, J. Holloway, A.M. Middlebrook, D. Murphy, A. Neuwman, R. Peltier, and R. Weber, Transport and Evolution of Aerosol Plumes from Urban and Industrial Sources in the Eastern U.S., American Geophysical Union, Dec 5-9, San Francisco CA, 2005.

210. Brown, S.S., T.B. Ryerson, A.G. Wollny, C.A. Brock, R. Peltier, A.P. Sullivan, R.J. Weber, W.P. Dube, M. Trainer, J. Meagher, F.C. Fehsenfeld, and A.R. Ravishankara, Variability in nocturnal nitrogen oxide processing and its role in regional air quality, American Geophysical Union, Dec 5-9, San Francisco CA, 2005.

211. Chen, G., C. Brock, A. Clarke, Y. Shinozuka, C. McNaughton, A. Wollny, B. Anderson, L. Thornhill, T. Ryerson, R. Weber, and B. Brune, ICARTT Measurement Comparison of Dry Particle Size Distributions: NASA DC-8 vs. NOAA WP-3D, American Geophysical Union, Dec 5-9, San Francisco CA, 2005.

212. Hecobian, A., H. G. Huey, and R. Weber, Development of a Method for Aerosol Composition Measurement by Chemical Ionization Mass Spectrometry, American Geophysical Union, Dec 5-9, San Francisco CA, 2005.

213. Hennigan, C., S. Sandholm, R.J. Weber, R. Peltier, G. Huey, R. Stickel, and S. Kim, Regional impact of the Ohio River Valley on boundary-layer SO4 concentrations: Results from INTEX-NA, American Geophysical Union, Dec 5-9, San Francisco CA, 2005.

214. Midddlebrook, A.M., B. Mathew, R. Bahreini, C. Brock, A. Wollny, J.d. Gouw, C. Warneke, J. Holloway, F.C. Fehsenfeld, R. Peltier, and R. Weber, Airborne Aerosol Mass Spectrometer Measurements of the Submicron Aerosol Chemical Composition Downwind of Sources, American Geophysical Union, Dec 5-9, San Francisco CA, 2005.

215. Peltier, R., C. Hennigan, A. Sullivan, R. Weber, C. Brock, A. Wollny, J. Holloway, J. deGouw, and C. Warneke, Fine Particle Composition Measured During ICARTT – An Overview of Inorganic Ions and Water Soluble Organic Carbon, American Geophysical Union, Dec 5-9, San Francisco CA, 2005.

216. Sullivan, A., and R.J. Weber, The Use of Solid Phase Extraction and Size-Exclusion Chromatography to Characterize the Fine Particle Carbonaceous Aerosols Soluble in Water, American Geophysical Union, Dec 5-9, San Francisco CA, 2005.

217. T.J. Fortin, T.J., T.B. Ryerson, J.S. Holloway, J.A. Neuman, F. Flocke, A. Swanson, J.A.d. Gouw, C. Warneke, L.G. Huey, D.J. Tanner, H. Stark, C.A. Brock, A.G. Wollny, R.J. Weber, R. Peltier, A. Sorooshian, J.H. Seinfeld, and F.C. Fehsenfeld, Characteristics and Chemistry of Power Plant Plumes: Conesville Case Study, American Geophysical Union, Dec 5-9, San Francisco CA, 2005.

218. Weber, R.J., and A. Sullivan, A Method for Chemical Characterization of the Ambient Organic Aerosol Soluble in Water by Group Speciation: Results from Urban Atlanta, American Geophysical Union, Dec 5-9, San Francisco CA, 2005.

219. Wollny, A., C. Brock, O. Cooper, F.C. Fehsenfeld, J. DeGouw, P. Hudson, A.M. Middlebrook, D. Murphy, A. Stohl, C. Warneke, R. Peltier, and R. Weber, Chemical and microphysical properties of particles in aged plumes from forest fire in Alaska and western Canada, American Geophysical Union, Dec 5-9, San Francisco CA, 2005.

220. Sullivan, A., and R.J. Weber, Isolation and Characterization of Fine Particle Carbonaceous Aerosols Soluble in Water Using Solid Phase Extraction and Size-Exclusion Chromatography, ACESS/Gorden Conference, Aug 31-Sept 7, 2005.

221. Hennigan, C., S. Sandholm, and R.J. Weber, Regional impact of the Ohio River Valley on boundary- layer Sulfate concentrations: Results from INTEX-NA, American Association of Aerosol Research, Austin TX, Oct 17-21, 2005.

222. Midddlebrook, A.M., B. Mathew, C. Brock, A. Wollny, J.d. Gouw, C. Warneke, J. Holloway, F.C. Fehsenfeld, R. Peltier, and R. Weber, Major Sources of Submicron Aerosol Mass above the Northeastern United States Inferred from Airborne Aerosol Mass Spectrometer Measurements during ICARTT, American Association of Aerosol Research, Austin TX, Oct 17-21, 2005.

223. Peltier, R., C. Hennigan, A. Sullivan, R. Weber, C. Brock, and A. Wollny, Fine Particle Composition Measured During ICARTT – An Overview of Inorganic Ions and Water Soluble Organic Carbon, American Association of Aerosol Research, Austin TX, Oct 17-21, 2005.

224. Sullivan, A., and R.J. Weber, A Method to Isolate Carbonaceous Aerosols soluble in water by organic functional group Using Solid Phase Extraction (SPE), American Association of Aerosol Research, Austin TX, Oct 17-21, 2005.

225. Sullivan, A., R. Peltier, and R. Weber, A Method for Airborne Measurements of Water-Soluble Organic Carbon: PILS-TOC results from the NOAA WP-3D duringICARTT, American Association of Aerosol Research, Austin TX, Oct 17-21, 2005.

Jan. 2021

36

226. Sullivan, A., P. Sannigrahi, E. Ingall, and R. Weber, Investigation of the Physical Properties of Group Speciated Fine Particle Water-Soluble Organic Carbon Aerosols, American Association of Aerosol Research, Austin TX, Oct 17-21, 2005

227. Nowack, J., L.G. Huey, E. Edgerton, F. Fehsenfeld, J. Neuman, D. Orsini, S. Sjostedt, A.P. Sullivan, D. Tanner, and R. Weber, Analysis of gas-phase ammonia measurements made during the 2002 Atlanta aerosol nucleation and real-time characterization experiment (ANARCHE) at the 1999 Altanta Supersite, American Association of Aerosol Research Particulate Matter and Supersite Program, Feb. 7- 11 Atlanta, 2005.

228. Turner, J., G. Allen, T. Bakadori, J. Chow, J. Watson, A. Hansen, P. Koutrakis, P. McMurry, J. Ondov, J. Schauer, R. Weber, and W. White, Aerosol climatology at the St. Louis-Midwest supersite, American Association of Aerosol Research Particulate Matter and Supersite Program, Feb. 7-11 Atlanta, 2005.

229. Yu, M., J. Turner, A. Clements, and R. Weber, Fine particulate matter ion measurements at the St. Louis Midwestern Supersite by the Particle-Into-Liquid Sampler, American Association of Aerosol Research Particulate Matter and Supersite Program, Feb. 7-11 Atlanta, 2005.

230. Brock, C., A. Wollny, R. Peltier, R. Weber, J. Holloway, A. Middlebrook, P. Hudson, D. Murphy, A. Neuman, L. Huey, Transport and evolution of an urban aerosol plume form the east coast of the United States, European Geophysical Union, Vienna, Austria, 2005.

231. Wollny, A.G., Brock, C.A, O.R. Cooper, F. C. Fehsenfeld, J.A.d. Gouw, P. K.Hudson, B.M. Matthew, A. M. Middlebrook, D.M. Murphy, C. Simons, A. Stohl, C. Warneke, R. Peltier, R.J. Weber, and J.C. Wilson, Chemical and microphysical properties of particles in aged forest fire plumes from Alaska and western Canada observed over the Northeastern U.S., European Geophysical Union, Vienna, Austria, 2005.

232. de Gouw, J.A., C. Warneke, A. Stohl, O.R. Cooper, P.K. Hudson, D.M. Murphy, C.A. Brock, F. Flocke, F.C. Fehsenfeld, J.S. Holloway, B. Matthew, A.M. Middlebrook, A. Neuman, J. Nowak, R. Peltier, J. Roberts, T. Ryerson, A. Swanson, M. Trainer, R. Weber, and A. Wollny, Long-range transport of smoke from 2004 forest fires in Alaska and western Canada, American Geophysical Union, Dec 6-10, San Francisco, CA, 2004.

233. Middlebrook, A.M., B.M. Matthew, C.A. Brock, A. Wollny, J.A.d. Gouw, C. Warneke, F.C. Fehsenfeld, R. Peltier, and R. Weber, Preliminary Results of Aerosol Chemical Composition Measurements Above the Northeastern U. S. with an Aerodyne Aerosol Mass Spectrometer, American Geophysical Union, Dec 6-10, San Francisco, CA, 2004.

234. Peltier, R., C. Hennigan, A. Sullivan, R.J. Weber, C. Brock, and A. Wollny, Initial Results of Airborne Measurements of PM1.0 Inorganic Ions and Water Soluble Organic Carbon During the New England Air Quality Study, Summer 2004, American Geophysical Union, Dec 6-10, San Francisco, CA, 2004.

235. Sullivan, A., and R.J. Weber, Investigation into the hydrophilic versus hydrophobic fraction of ambient PM2.5 organic particles soluble in water, American Geophysical Union, Dec 6-10, San Francisco, CA, 2004.

236. Sullivan, A., and R.J. Weber, Investigation into the organic composition of ambient PM2.5 particles soluble in water, American Association of Aerosol Research, Atlanta GA, 2004.

237. Sullivan, A., R.J. Weber, A. Clements, J. Turner, M. Bae, and J. Schauer, On-line measurements of ambient particle humic-like substances (HULIS) using a Particle-into-Liquid-Sampler (PILS) coupled to a Total Organic Carbon (TOC) analyzer and XAD-8 column, American Association of Aerosol Research, Atlanta GA, 200Song, C., Y. Ma, K. Meier, D. Orsini, R. Weber, V. Kaputsin, and A. Clarke, Aerosol mixing state inferred from airborne composition measurements and an aerosol thermodynamic model: Case studies from ACE-Asia and TRACE-P, American Association of Aerosol Research, Anaheim CA, Oct. 20-24, 2003.

238. Song, C.H., Y. Ma, K. Maxwell-Meier, D. Orsini, and R.J. Weber, Aerosol mixing state inferred from airborne fine particle composition measurements and an aerosol thermodynamic model: Case studies from ACE-Asia and TRACE-P, American Geophysical Union, Dec 7-11, San Francisco, CA, 2003.

239. Sullivan, A., R. Weber, A. Clements, J. Turner, M. Bae, and J. Schauer, Diurnal trends in water-soluble organic carbon and elemental carbon in St. Louis using near real-time aerosol monitors, American Association of Aerosol Research, Anaheim CA, Oct. 20-24, 2003.

240. Weber, R., O. D, A. Sullivan, Y. Ma, and K. Meier, Measurements of particle inorganic and organic chemical composition with the particle-into-liquid sampler (PILS), Particulate Matter: Atmospheric Sciences, Exposure and the Fourth Colloquium on PM and Health, American Association of Aerosol Research, Pittsburgh, PA, March 31-April 4, 2003.

241. Ma, Y., R.J. Weber, Y. Lee, D.R. Blake, G. Sachse, A. Bandy, D. Thornton, A. Clarke, H. Fuelberg, and G. Carmichael, Chemical characterization of biomass burning aerosols over the western Pacific as part of TRACE P, American Geophysical Union, Dec 6-10, San Francisco, CA, 2002.

242. Meier, K., D. Orsini, R.J. Weber, B. Blomquist, and B. Huebert, Evidence of heterogeneous surface chemistry in Asian springtime aerosol: A Focus on the interactions of fine Asian mineral dust with urban plumes, American Geophysical Union, Dec 6-10, San Francisco, CA, 2002.

243. Weber, R.J., D. Orsini, A. Sullivan, Y. Ma, and K. Meier, On-line measurements of particle chemical composition with the particle-into-liquid sampler (PILS), American Geophysical Union, Dec 6-10, San Francisco, CA, 2002.

244. Orsini, D., and R. Weber, Improvements To The Particle-Into-Liquid Sampler For Rapid And Continuous Measurements Of Aerosol Bulk Chemical Composition, American Association of Aerosol Research, Charlotte, NC, Oct 7-11, 2002.

245. Weber, R., D. Orsini, and S. Lee, Particle Production Within And Near Aged Asian Athropogenic Plumes Observed During TRACE P, American Association of Aerosol Research, Charlotte, NC, Oct 7-11 ,2002.

246. Weber, R., D. Orsini, Y. Ma, M. Bergin, J. Slanina, and B. Turpin, The Nature Of Transient Pm2.5 Events In Atlanta And Houston, American Association of Aerosol Research, Charlotte, NC, Oct 7-11, 2002.

247. Meier-Maxwell, K., D. Orsini, Y. Ma, R. Weber, S. Howell, B. Blomquist, and B. Huebert, PILS/IC Evidence of Heterogeneous Reactions on Asian Mineral Aerosol from the ACE-Asia C-130 Aircraft, Sixth International Aerosol Conference, Taipei, Taiwan, Sept. 9 – 13, 2002.

248. Ma, Y., O. D, K. Meier, Y.-N. Lee, and R. Weber, Near Real Time measurements of aerosol composition for Asian outflow studies, Sixth international Aerosol Conference, Taipei, Taiwan, Sept. 9 – 13, 2002.

249. Ma, Y., K. Meier, O. D, Y.-N. Lee, B. Huebert, S. Howell, T. Bertram, R. Talbot, J. Dibb, E. Scheuer, and R. Weber, Intercomparisons of Airborne Measurements of Aerosol Ionic Chemical Composition during TRACE-P and ACE-Asia, Sixth International Aerosol Conference, Taipei, Taiwan, Sept. 9 – 13, 2002

250. Weber, R. J., D. Orsini, Y. Ma, K. Maxwell, Airborne measurements of the aerosol chemical composition of Asian plumes during ACE-Asia and TRACE-P: Preliminary results, American Association for Aerosol Research, Protland, OR, Oct 15-19, 20001.

251. Hering, S., P. Solomon, E. Edgerton, K. Baumann, M. Bergin, P. Dasgupta, H.t. Brink, J. Ondov, B. Turpin, and R. Weber, Hourly chemical composition profiles for fine particulate matter during the Atlanta Supersite Study, August 1999, Amer. Geophys. Union, San. Fran., Dec. 15-19, 2000.

252. Ift, F., K. Baumann, W. Chameides, D. DiPasquale, R. Weber, J. Zhao, C. Baxter, M. Bergin, and E. Edgerton, Discrete measurements of PM2.5 mass and composition by use of the three-channel particle composition monitor (PCM), Amer. Geophys. Union, San. Fran., Dec. 15-19, 2000.

253. Ma, Y., D. Orsini, and R.J. Weber, Contrasting Observations of PM2.5 ionic composition at the EPA Atlanta Supersite and the EPA TEXAQS 2000 Studies, Amer. Geophys. Union, San. Fran., Dec. 15-19, 2000.

254. Orsini, D., and R.J. Weber, New developments using the particle-into-liquid sampler (PILS) for rapid measurements of bulk aerosol chemical composition, American Association for Aerosol Research, St. Louis MI, Nov 6-10, 2000.

255. Orsini, D. A., Y. Ma, and R.J. Weber, Fast measurements of fine particle ionic composition in Houston during the TEXAQS 2000 Study, Amer. Geophys. Union, San. Fran., Dec. 15-19, 2000.

256. Wang, B., D. Orsini, and R. Weber, Measurements of new particle formation in the arctic as part of TOPSE, American Association for Aerosol Research, St. Louis MI, Nov 6-10, 2000.

257. Weber, R.J., D. Orsini, Y. Daun, Y.-N. Lee, P. Klotz, F. Brechtel, and K. Okuyama, A new instrument for rapid near-continuous measurement of soluable aerosol chemical components, PM2000, Air and Waste Management Association, Charleston, SC, Jan 24-28, 2000.

258. Weber, R.J., D. Orsini, D. Yang, Y.-L. Lee, F. Brechtel, P. Klotz, H.t. Brink, J. Slanina, P. Jongejan, P. Dasgupta, C. Boring, Z. Purnedu, K. Dasgupta, K. Baumann, and W. Chameides, Intercomparison of semi-continuous techniques for measurement of sulfate and nitrate, Amer. Geophys. Union, San. Fran., Dec. 15-19, 2000.

259. Zhang, J., W. Chameides, D. Worsnop, G. Cass, M. Bergin, A. Russell, R. Weber, and D. Orsini, Validity of equilibrium models for inorganic aerosol composition, Amer. Geophys. Union, San. Fran., Dec. 15- 19, 2000.

260. Weber, R. J., B. Anderson, L. Thornhill, D. Tanner, R. Mauldin, E. Kosciuch, C. Cantrell, F. Eisele, A. Clarke, V. Kapustin, K. Moore, A comparison of atmospheric physical and chemical conditions under which large marine new particle formation events occur, American Geophysical Union, Washington D.C., May 30 – June 3, 2000.

261. Dick, W., D. Lappen, F. Quant, R. Weber, and P. McMurry, New pulse height analysis modifications to the TSI 3025 condensation particle counter, American Association for Aerosol Research, Tacoma, WA, Oct. 11-15, 1999.

262. Weber, R.J., D. Orsini, Y. Daun, Y.-N. Lee, P. Klotz, F. Brechtel, and K. Okuyama, A new particle-in- liquid collector for rapid measurements of aerosol chemical composition, American Association for Aerosol Research, Tacoma, WA, Oct. 11 – 15, 1999.

263. Weber, R.J., D. Orsini, Y. Daun, Y.-N. Lee, P. Klotz, F. Brechtel, and K. Okuyama, A new instrument for rapid near-continuous measurement of soluble aerosol chemical components, PM2000, Air and Waste Management Association, Charleston, SC, Jan 24 – 28, 2000.

264. Weber, R. J., P. H. McMurry, F. L. Eisele, L. Mauldin, D. Tanner, Rapid growth of freshly formed nanoparticles in the remote troposphere, 5th International Aerosol Conference, Edinburg, Scotland, Sept. 14-18, 1998.

265. Weber, R. J., P. H. McMurry, F. L. Eisele, L. Mauldin, D. Tanner, Evidence for new sulfate particle formation in the remote troposphere involving biogenic trace gas species, 5th International Aerosol Conference, Edinburg, Scotland, Sept. 14 – 18, 1998.

266. Jefferson, A., F. L. Eisele, P. J. Ziemann, J. J. Marti, R. J. Weber, P. H. McMurry, Measurements of the H2SO4 mass accomodation coefficient onto polydisperse aerosol, American Association for Aerosol Research, Denver, CO., Oct. 13 – 17, 1997.

267. Eisele, F., A. Jefferson, D. Tanner, R. Mauldin, R. Weber, J. Marti, P. McMurry, Particle nucleation and growth precursors, American Association for Aerosol Research, Denver, CO., Oct. 13 – 17, 1997.

268. Weber, R. J., P. H. McMurry, F. L. Eisele, D. J. Tanner, L. Mauldin, Correlation between gas phase species and nucleation episodes observed during ACE 1, American Association for Aerosol Research, Denver, CO., Oct. 13 – 17, 1997.

269. Weber, R. J., P. McMurry, A. Clarke, J. Li, M. Litchy, D. Baumgardner, Cloud particle shatter when sampling from aircraft, American Association for Aerosol Research, Denver, CO., Oct. 13-17, 1997.

270. Weber, R., P. McMurry, F. Eisele, L. Mauldin, D. Tanner, Measurements of ultrafine particle formation and growth downwind of Macquarie Island during ACE-1, American Geophysical Union, San Francisco, CA., Dec. 15-19, 1996.

271. Weber, R, J., P. H. McMurry, M. R. Stolzenburg, S. Pandis, Inversion of UCNC pulse height distributions to obtain ultrafine (~3 to 10nm) particle size distributions, American Association for Aerosol Research, Orlando, Fl., Oct. 14-18, 1996.

272. Weber, R. J., J. Marti, P. H. McMurry, F. Eisele, D. Tanner, A. Jefferson, Growth rates of ultrafine particles at a clean continental site, American Association for Aerosol Research, Pittsburgh, PA., Oct. 9- 13, 1995.

273. Murphy, D., D. Thomson, M. Kaluzhny, J. Marti, R. Weber, P. McMurry, Physical and chemical characterization of aerosols at Idaho Hill, Colorado, American Geophysical Union, San Francisco, CA., Dec. 5-9, 1994.

274. Marti, J., R. Weber, P. McMurry, F. Eisele, D. Tanner, A. Jefferson, P. Golden, W. Kuster, Measurements of newly formed ultrafine aerosols and possible precursor species at a background continental site, American Geophysical Union, San Francisco, CA., Dec. 5-9, 1994.

275. Weber, R. J. Marti, P. McMurry, F. Eisele, D. Tanner, A comparison of measured atmospheric nucleation rates to classical and collision controlled nucleation theories, American Geophysical Union, San Francisco, CA., Dec. 5-9, 1994.

276. Marple, V., K. Rubow, B. Olson, R. Weber, Low pressure stages for the micro-orifice uniform deposit impactor (MOUDI), Fourth International Aerosol Conference, Los Angeles CA., Aug. 29-Sept. 2, 1994.

277. Weber, R., J. Marti, P. McMurry, F. Eisele, D. Tanner, Measurements at Idaho Hill Colorado of expected nucleation precursor species, ultrafine and fine aerosols, Fourth International Aerosol Conference, Los Angeles CA., Aug. 29-Sept. 2, 1994.

278. Weber, R., P. McMurry, F. Eisele, D. Tanner, Measurement of expected nucleation precursor species and ultrafine and fine particles at Mauna Loa Observatory, Hawaii, American Meteorological Society, Conference on Atmospheric Chemistry, Nashville TN., Jan. 23-28, 1994.

279. Weber, R. J., P. McMurry, F. Eisele, D. Tanner, Measurement of expected nucleation precursor species and ultrafine particles at Mauna Loa Observatory Hawaii, American Association for Aerosol Research, Oak Brook, IL., Oct. 11-15, 1993.

280. Weber, R., J., V. Marple, K. Rubow, Particle sampling into simulated lung fluid, American Association for Aerosol Research, Traverse City, MI., Oct. 7-11, 1991.

E. GRANTS AND CONTRACTS

E1. AS PRINCIPLE INVESTIGATOR

1. Measurements of Brown Carbon and Water-Soluble Organic Carbon for FIREX-AQ, NASA 1 Jan 2018 to 31 Dec 2022, $520,872.
2. An Improved Understanding of Fuel Dynamics, Fire Behavior and Regional Air Quality Impacts of Prescribed Burning at DoD Lands, 1 Sept. 2020 to 31 Aug. 2023, Huey and Weber $1.004M.

E2. AS CO-PRINCIPLE INVESTIGATOR

E3. AS SENIOR PERSONNEL OR CONTRIBUTOR

E4. PENDING PROPOSALS

1. Using NASA field observations to improve the simulations and impact assessment of brown carbon from biomass burning in a climate model, April 1, 2021-March 31, 2024, R. Weber CoPI, $666,074.
2. Near Real-Time Aerosol Composition Measurements during the Atmospheric Emissions and Reactions Observed from Megacities to Marine Areas (AEROMMA), 1 May 2021 to 30 April 2024, $197,178.

E5. PROPOSALS SUBMITTED BUT NOT FUNDED (Last Two Years) F. OTHER SCHOLARLY AND CREATIVE ACCOMPLISHMENTS

G. SOCIETAL AND POLICY IMPACTS H. OTHER PROFESSIONAL ACTIVITIES

B. INDIVIDUAL STUDENT GUIDANCE

B1. PhD Students

1. Yilin Ma, Ph.D 2004 (Calif. Air Resources Board)
2. Amy Sullivan, Ph.D. 2006 (Res. Scientist, Colorado State University)
3. Kari Maxwell-Meier, Ph.D. 2006 (Army Corps of Engineers)
4. Rick Peltier, Ph.D. 2007, (Assistant Prof. University of Massachusetts, Amherst)
5. Chris Hennigan, Ph.D. 2008, (Assistant Prof. University of Maryland, Baltimore County)
6. Arsineh Hecobian, Ph.D. 2010, (Res. Scientist, Colorado State University)
7. Michelle Oakes Ph.D. 2011 (Post Doc, EPA RTP, North Carolina)
8. Xiaolu Zhang, Ph.D 2012, (Post Doc, U of Calif. Davis)
9. Jiumeng Liu, PhD 2013 (Post Doc, Pacific Northwest National Labs)
10. Ting Fang, PhD 2017, Post Doc, Post Doc, UC Irvine
11. Hongyu Guo, PhD 2017, U. of Colorado
12. Qian Zhang, Ph.D 2018, Post Doc, Underwriters Laboratories
13. Jennifer Moutinho Ph.D. 2018 (co-advise with A. Russell CEE)
14. Ifayoyinsola Ibikunle, Ph.D Student 2019 (ChBe, with new advisor)
15. 15. Dong Gao Ph.D 2019 (Post Doc, Yale) 16. Linghan Zeng Ph.D Student current 17. Yuhan Yang, Ph.D Student current

B2. M.S. Students

1. Duan Yang, MS 2000
2. Baoan Wang, MS 2001
3. Dan Diamond, MS 2002
4. Sangil Lee, MS 2002
5. Jennifer Williams M.S. 2010 (Thesis Advisor)
6. Eric Parker (Coadvise with L. Huey), MS 2011 (PhD Student GIT-Chem) 7. Neel Kotra M.S Student 2013, Environmental Consulting
8. Haviland Forrester, MS 2017
9. Justin Min, M.S. 2020

B3. Undergraduate Students Advised (after 2005)

1. Gertrude (Gigi) Pavur (2017) 2. Janessa Rowland (2013-2015) 3. Kurt Russell (2012)
4. Kayla Hosking (2010-2011)
5. Raymond Myer (2010)
6. Thom Muccillo (2009)
7. Kimberly Brady (2007)
8. Abigail Wintemute (2006)

B4. POSTDOCTORAL AND RESEARCH FELLOWS ADVISED

1. Douglas Orsini, Post Doc/Research Scientist 1999-2003
2. Chul Song, Research Scientist 2003-2005 (Prof. Department of Environmental Science and Engineering,Gwangju Institute of Science and Technology (GIST), Gwangju 500-712, South Korea
3. Neeraj Rastogi, Post Doc 2006-2009, Reader, Geosci. Div., Physical Research Laboratory, India
4. Yuang Cheng, Tsinghua University, China, hosted for work in my lab March – July 2010 & Sept 2012 to

April 2013.
5. Ying Wang, Jan. 2013-Dec 2014
6. Vishal Verma, March 2011- 2015 University of Illinois, tenure track 7. Yuzhong Zhang, Jan. 2016-2017 (Harvard Postdoc)
8. Ting Fang, Aug. 2017 – Jan. 2018 (Post Doc U. Cal. Irvine)
9. Jenny Wong, July 2015 – 2018
10. Theodora Nah, June 2016-2018
11. Hongyu Guo, Aug. 2017 – 2018
12. Michael Battaglia Aug. 2019-present

VI. SERVICE
A. Professional Contributions

American Assoc. for Aerosol Research Awards Committee Member; 2017-2020.
American Assoc. for Aerosol Research Chair Special Symposia Aerosols and Health; 2014-2015. American Assoc. for Aerosol Research Membership Committee: Chair, 2014-2015
American Assoc. for Aerosol Research Membership Committee, 2012-2014
American Assoc. for Aerosol Research Awards Committee Member, 2009 – 2012

American Assoc. for Aerosol Research Organizational Committee, Conference Tutorial Co-Chair, 2006. American Assoc. for Aerosol Research Organizational Committee, Education Co-Chair, 2007.
Panel and Proposal (~5/yr) reviewer for EPA, NASA, NSF, DOE (and many others).
Manuscript reviews for various journals (~10-20/yr) (e.g., Science, Nature, Atm Chem Phys, Envir Sci and Tech, Aerosol Sci and Tech, GRL, J Geophys Res, Atmos Enviro, etc)

Georgia Tech Research Advisor Committee (GTRAC) 2014-2017 Provost Committee, Interdisciplinary Research 2007-08

Departmental/School

2020/2021 Tenure and Promotion
2020/2021 Awards Committee
2019/2020 Member EAS Chair Advisor Committee
2019/2020 Tenure and Promotion
2019/2020 Awards Committee
2019 EAS Member EAS Chair Review Committee
2018/2019 EAS Chair Faculty Search Committee
2018/2019 Member EAS Chair Advisor Committee
2010/2019 Tenure and Promotion
2015/2019 Awards Committee
2017/2018 EAS Chair Advisory Committee
2017 Ad-hoc Committee to Promote Excellence Through Diversity in COS Faculty Hiring 2017/2018 EAS Undergraduate Committee
2013/2014 EAS Chair Search
2010/2014 Graduate Admissions Committee
2010/2011 Graduate Admissions Committee
2010/2011 Tenure and Promotion
2010/2011 Tenure Committee College of Science
2009/2010 Tenure and Promotion: Chair
2009/2010 Tenure Committee College of Science
2008/2009 Tenure and Promotion: Chair
2008/2008 Member EAS Faculty Search Committee
2008/2009 Tenure Committee College of Science
2007/2008 Member EAS Chair Review Committee
2007/2008 Tenure and Promotion: Chair
2006/2007 Tenure and Promotion: Chair
2005/2006 Tenure and Promotion: Chair
2004/2005 Tenure and Promotion: Chair
2003/2004 Tenure and Promotion
2002/2003 EAS Colloquium co-Chair
2000/2003 Long-Range Planning and Atmospheric Chemistry Search
1999/2000 Graduate Studies and Awards