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Records 51 to 75 of 300 records from author Ronald Williams

2015
Jiao, W., G. Hagler, R. Williams, B. Sharpe, Lewis Weinstock, AND J. Rice. Field Assessment of the Village Green Project: An Autonomous Community Air Quality Monitoring System. ENVIRONMENTAL SCIENCE & TECHNOLOGY. American Chemical Society, Washington, DC, 49(10):6085-6092, (2015).
Kaufman, A., R. Williams, S. Hunt, R. French, H. Wilson, G. Hagler, Vasu Kilaru, P. Fine, S. Katz, G. Robarge, AND D. Renwick. Highlights from the Air Sensors 2014 Workshop. EM: AIR AND WASTE MANAGEMENT ASSOCIATION'S MAGAZINE FOR ENVIRONMENTAL MANAGERS. Air & Waste Management Association, Pittsburgh, PA, , 34-39, (2015).
Williams, R., A. Kaufman, AND S. Garvey. MET ONE 831. U.S. Environmental Protection Agency, Washington, DC, EPA/600/R-15/114 (NTIS PB2015-104893), 2015.
Williams, R., A. Kaufman, AND S. Garvey. Next Generation Air Monitoring (NGAM) VOC Sensor Evaluation Report. U.S. Environmental Protection Agency, Washington, DC, EPA/600/R-15/122 (NTIS PB2015-105133), 2015.
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 Duke University's Wireless Intelligent Sensor Network workshop, Durham, NC, June 24, 2015.
Williams, R., A. Kaufman, AND S. Garvey. PERKINELMER ELM. U.S. Environmental Protection Agency, Washington, DC, EPA/600/R-15/125 (NTIS PB2015-105136), 2015.
Thomas, K., J. Xue, R. Williams, P. Jones, AND D. Whitaker. Polychlorinated biphenyl sources, environmental levels, and exposures in school buildings. ISES 2015 Annual Meeting, Henderson, NV, October 18 - 22, 2015.
Conner, T., L. Cernikovsky, J. Novak, AND R. Williams. Source apportionment with uncertainty estimates of PM2.5 in Ostrava, Czech Republic using Positive Matrix Factorization. 2015 European Aerosol Conference, Milan, ITALY, September 10, 2015.
Williams, R., A. Kaufman, AND S. Garvey. TOXIRAE PRO PID. U.S. Environmental Protection Agency, Washington, DC, EPA/600/R-15/124 (NTIS PB2015-105135), 2015.
Kaufman, A., R. Williams, T. Barzyk, M. OShea, A. Hoang, P. Sheridan, AND M. Greenberg. The Air Sensor Citizen Science Toolbox: A Collaboration in Community Air Quality Monitoring and Mapping. Citizen Science 2015 Conference, San Jose, CA, February 11 - 12, 2015.
Williams, R., A. Kaufman, AND S. Garvey. UNITEC SENS-IT. U.S. Environmental Protection Agency, Washington, DC, EPA/600/R-15/119 (NTIS PB2015-105132), 2015.
Herrera, E., G. Hagler, R. Williams, A. Brown, R. Evans, K. Benedict, Lewis Weinstock, P. Dickerson, B. Johns, AND J. White. Village Green Air Monitoring: Expanding Community Awareness of Air Quality Through Partnerships. To be Presented at AWMA Conference and Exhibition, raleigh, NC, June 22 - 25, 2015.
2014
Williams, R., D. Costa, A. Brown, A. Kaufman, D. Buchbinder, G. Hagler, E. Thoma, Bill Mitchell, B. Gullett, W. Jiao, Vasu Kilaru, R. Long, M. Beaver, R. Duvall, P. Solomon, K. Leovic, E. Smith, L. Stanek, Tim Watkins, P. Preuss, S. Katz, G. Robarge, E. Snyder, B. Sharpe, AND S. Garvey. #2) Sensor Technology-State of the Science. Webinar Presentation - Sensor Technology-State of the Science, Research Triangle Park, NC, July 08, 2014.
Williams, R., Vasu Kilaru, E. Snyder, A. Kaufman, T. Dye, A. Rutter, A. Russell, AND H. Hafner. Air Sensor Guidebook. U.S. Environmental Protection Agency, Washington, DC, EPA/600/R-14/159 (NTIS PB2015-100610), 2014.
Hammond, D., C. Croghan, H. Shin, R. Burnette, R. Bard, R. Brook, AND R. Williams. Cardiovascular impacts and micro-environmental exposure factors associated with continuous personal PM2.5 monitoring. Journal of Exposure Science and Environmental Epidemiology . Nature Publishing Group, London, Uk, 24(4):337-345, (2014).
Kaufman, A., R. Williams, T. Barzyk, AND Tim Watkins. Citizen Science and Emerging Technologies. Presented at US Public Health Service Scientific and Training Symposium, Raleigh, NC, June 10 - 12, 2014.
Hagler, G., R. Williams, B. Sharpe, Bill Mitchell, K. Leovic, D. Buchbinder, AND A. Brown. Community Air Monitoring, Educational Outreach, and the Village Green Project. Presented at 2014 National Air Quality Conference, Durham, NC, February 10 - 14, 2014.
Jiao, W., G. Hagler, R. Williams, R. Brown, D. Garver, B. Sharpe, R. Judge, M. Caudill, J. Rickard, M. Davis, Lewis Weinstock, S. Zimmer-Dauphinee, AND K. Buckley. Community Air Sensor Network (CAIRSENSE) Project: Lower Cost, Continuous Ambient Monitoring Methods. Presented at AWMA conference in Raleigh, NC, Raleigh, NC, June 22 - 25, 2014.
Hagler, G., R. Williams, W. Jiao, B. Sharpe, Bill Mitchell, K. Leovic, Lewis Weinstock, J. Rice, E. Herrera, P. Dickerson, J. White, B. Johns, K. Benedict, R. Evans, AND A. Brown. Community air monitoring and the Village Green Project. Presented at the International Society of Exposure Science 24th Annual Meeting, Charlottsville, VA, October 12 - 16, 2014.
Hagler, G., H. Brantley, R. Baldauf, Sue Kimbrough, A. Holder, R. Williams, S. Mukerjee, V. Isakov, L. Neas, E. Thoma, T. Barzyk, P. Deshmukh, M. Freeman, AND S. Herndon. Deriving spatial trends of air pollution at a neighborhood-scale through mobile monitoring. Presented at International Society of Exposure Sciece conference, Cincinnati, OH, October 12 - 16, 2014.
Herrera, E., G. Hagler, R. Williams, W. Jiao, B. Sharpe, Lewis Weinstock, P. Dickerson, J. White, B. Johns, K. Benedict, R. Evans, AND J. Rice. EPA’s Village Green Project: New Directions. Presented at EPA Air Sensors 2014 workshop, RtTP, NC, June 09 - 10, 2014.
Herrera, E., G. Hagler, R. Williams, W. Jiao, B. Sharpe, Lewis Weinstock, P. Dickerson, J. White, B. Johns, K. Benedict, R. Evans, AND J. Rice. EPA’s Village Green Project: New Directions. Presented at EPA Air Sensors Conference, Durham, NC, June 09 - 10, 2014.
Holliday, K., C. Avery, C. Poole, K. McGraw, R. Williams, D. Liao, R. Smith, AND E. Whitsel. Estimating Personal Exposures from Ambient Air Pollution Measures - Using Meta-Analysis to Assess Measurement Error. EPIDEMIOLOGY. Lippincott Williams & Wilkins, Philadelphia, PA, 25(1):35-36, (2014).
Williams, R., A. Kaufman, T. Hanley, J. Rice, AND S. Garvey. Evaluation of Field-deployed Low Cost PM Sensors. U.S. Environmental Protection Agency, Washington, DC, EPA/600/R-14/464 (NTIS PB 2015-102104), 2014.
Kioumourtzoglou, M., D. Spiegelman, A. Szpiro, L. Sheppard, J. Kaufman, J. Yanosky, R. Williams, F. Laden, B. Hong, AND H. Suh. Exposure Measurement Error in PM2.5 Health Effects Studies: A Pooled Analysis of Eight Personal Exposure Validation Studies. ENVIRONMENTAL HEALTH PERSPECTIVES. National Institute of Environmental Health Sciences (NIEHS), Research Triangle Park, NC, 13(2):1-11, (2014).