Science Inventory

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Thomas, K., J. Xue, R. Williams, Paul-A Jones, AND D. Whitaker. Exposure Modeling for Polychlorinated Biphenyls in School Buildings. 8th International PCB Workshop, Woods Hole, MA, October 05 - 09, 2014.

Breen, M., T. Long, Brad Schultz, J. Crooks, M. Breen, J. Langstaff, K. Isaacs, C. Tan, R. Williams, Y. Cao, A. Geller, R. Devlin, S. Batterman, AND T. Buckley. GPS-based Microenvironment Tracker (MicroTrac) Model to Estimate Time-Location of Individuals for Air Pollution Exposure Assessments: Model Evaluation in Central North Carolina. ATMOSPHERIC ENVIRONMENT. Elsevier Science Ltd, New York, NY, 24(4):412-420, (2014).

Hagler, G., R. Baldauf, H. Brantley, A. Holder, E. Thoma, Sue Kimbrough, R. Williams, L. Neas, S. Mukerjee, T. Barzyk, V. Isakov, P. Deshmukh, M. Freeman, AND S. Herndon. High resolution pollutant measurements in complex urban environments using mobile monitoring. Presented at International Society of Exposure Science 24thAnnual Meeting, Cincinnati, OH, October 12 - 16, 2014.

Tulve, N., K. Isaacs, R. Williams, T. McCurdy, L. Phillips, C. Croghan, AND H. Ozkaynak. How Questionnaires and Multimedia Measurements collected in the U.S. EPA’s Observational Human Exposure Measurement Studies Inform Exposures. ISES 2014 Annual Meeting, Cincinnati, OH, October 12 - 16, 2014.

Williams, R. ISES Training Class - Continuous Measurements. 2014 International Society of Exposure Science, Cincinnati, OH, October 12 - 16, 2014.

Willis, R., L. Cernikovsky, T. Conner, J. Novak, H. Placa, B. Krejei, I. Nikolova, E. Chalupniekova, AND R. Williams. Identifying the Sources Contributing to PM Exceedances in Ostrava, Czech Republic, Using Passive Aerosol Sampling Coupled with Computer-Controlled Microscopy. Presented at Dust 2014 International Conference on Atmospheric Dust, Castellaneta Marina, ITALY, June 01 - 06, 2014.

Williams, R., Tim Watkins, AND R. Long. Low Cost Sensor Calibration Options. EM: AIR AND WASTE MANAGEMENT ASSOCIATION'S MAGAZINE FOR ENVIRONMENTAL MANAGERS. Air & Waste Management Association, Pittsburgh, PA, , 10-15, (2014).

Brantley, H., G. Hagler, Sue Kimbrough, R. Williams, S. Mukerjee, AND L. Neas. Mobile Air Monitoring Data Processing Strategies and Effects on Spatial Air Pollution Trends. Atmospheric Measurement Techniques. Copernicus Publications, Katlenburg-Lindau, Germany, 7(7):2169-2183, (2014).

MacDonnell, M., M. Raymond, D. Wyker, M. Finster, Y. Chang, T. Raymond, B. Temple, M. Scofield, D. Vallano, E. Snyder, AND R. Williams. Mobile Sensors and Applications for Air Pollutants. U.S. Environmental Protection Agency, Washington, DC, EPA/600/R-14/051 (NTIS PB2014 105955), 2014.

Hagler, G., R. Williams, E. Thoma, B. Gullett, R. Long, M. Beaver, R. Duvall, Bill Mitchell, B. Squier, W. Jiao, AND X. Zhou. Next-generation air monitoring – an overview of EPA research to develop real-time instrumentation packages for stationary and mobile monitoring. Presented at 2nd Annual Workshop on Wireless Sensor Networks (WISEnet), Durham, NC, June 09, 2014 - March 10, 2016.

Williams, R., R. Long, M. Beaver, R. Duvall, Sue Kimbrough, E. Thoma, Bill Mitchell, J. Rice, T. Hanley, AND S. Garvey. Observations from Laboratory and Field-based Evaluations of Select Low Cost Sensor Performance. 2014 International Society of Exposure Science, Cincinnati, OH, October 12 - 16, 2014.

Jiao, W., G. Hagler, R. Williams, B. Sharpe, J. Rice, AND Lewis Weinstock. Performance Evaluation of a Low-Cost, Real-Time Community Air Monitoring Station. Presented at American Association of Aerosol Research annual meeting, Orlando, FL, October 20 - 24, 2014.

Jiao, W., G. Hagler, R. Williams, B. Sharpe, Lewis Weinstock, AND J. Rice. Performance Evaluation of a Lower-Cost, Real-Time Community Air Monitoring Station. Presented at National Ambient Air Monitoring Conference, Atlanta, GA, August 11 - 14, 2014.

Long, R., M. Beaver, R. Williams, K. Kronmiller, AND S. Garvey. Procedures and Concepts of EPA's Ongoing Sensor Evaluation Efforts. EM: AIR AND WASTE MANAGEMENT ASSOCIATION'S MAGAZINE FOR ENVIRONMENTAL MANAGERS. Air & Waste Management Association, Pittsburgh, PA, , 8-9, (2014).

Stevens, C., R. Williams, AND Paul-A Jones. Progress and Understanding Spatial and Temporal Variability of PM2.5 and its Components in the Detroit Exposure and Aerosol Research Study (DEARS). JOURNAL OF ENVIRONMENTAL MONITORING. Royal Society of Chemistry, Cambridge, Uk, 16(1):94-105, (2014).

Breen, M., Brad Schultz, M. Sohn, T. Long, J. Langstaff, R. Williams, K. Isaacs, Q. Meng, C. Stallings, AND L. Smith. Review of Air Exchange Rate Models for Air Pollution Exposure Assessments. Journal of Exposure Science and Environmental Epidemiology . Nature Publishing Group, London, Uk, 24(6):555-563, (2014).

Williams, R., R. Long, M. Beaver, A. Kaufman, F. Zeiger, M. Heimbinder, I. Hang, R. Yap, B. Acharya, B. Ginwald, K. Kupcho, S. Robinson, O. Zaouak, B. Aubert, M. Hannigan, R. Piedrahita, N. Masson, B. Moran, M. Rook, P. Heppner, C. Cogar, N. Nikzad, AND W. Griswold. Sensor Evaluation Report. U.S. Environmental Protection Agency, Washington, DC, EPA/600/R-14/143 (NTIS PB2015-100611), 2014.

Williams, R., R. Long, M. Beaver, G. Hagler, Sue Kimbrough, E. Thoma, Bill Mitchell, T. Hanley, J. Rice, S. Garvey, B. Sharpe, W. Jiao, AND K. Kronmiller. Sensor Technology Performance Characteristics- Field and Laboratory Observations. 2014 Air Sensors Workshop, Research Triangle Park, NC, June 09 - 10, 2014.

Williams, R. Sensor Technology-State of the Science. RTP-AWMA Serminar Series, Research Triangle Park, NC, March 19, 2014.

Kaufman, A., R. Williams, T. Barzyk, M. OShea, A. Hoang, AND P. Sheridan. The Air Sensor Citizen Science Toolbox: A Collaboration in Community Air Quality Monitoring and Mapping? 2015 Citizen + X Workshop, Pittsburg, PA, November 02, 2014.

Kaufman, A., A. Brown, T. Barzyk, AND R. Williams. The Citizen Science Toolbox: A One-Stop Resource for Air Sensor Technology. EM: AIR AND WASTE MANAGEMENT ASSOCIATION'S MAGAZINE FOR ENVIRONMENTAL MANAGERS. Air & Waste Management Association, Pittsburgh, PA, , 48-49, (2014).

Williams, R., R. Long, M. Beaver, A. Kaufman, T. Hanley, J. Rice, AND S. Garvey. The State of Sensor Technology and Air Quality Monitoring. Presented at National Environmental Monitoring Conference, Washington, DC, August 04 - 08, 2014.

Williams, R. Advancing Air Quality Monitoring Technologies. Presented at 2013 AAAR Emerging Sensor Technology Symposium, Portland, OR, October 02 - 04, 2013.

Williams, R. Advancing Air Quality Technologies. Presented at Invited presentation to Campbell Univ. undergrads at request of RTP Speaker's Burear and ORD STEM Director, RTP, NC, November 13, 2013.

Snyder, E., Tim Watkins, P. Solomon, E. Thoma, R. Williams, G. Hagler, D. Shelow, D. Hindin, Vasu Kilaru, AND P. Preuss. Changing the Paradigm of Air Pollution Monitoring. ENVIRONMENTAL SCIENCE AND TECHNOLOGY. John Wiley & Sons, Ltd., Indianapolis, IN, 47(20):11369-11914, (2013).