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Records 1 to 25 of 58 records from ORD-NERL published between 02/19/2014 and 02/19/2019 from author Ronald Williams
Williams, R. US EPA Emerging Sensor Technologies Research (KS webinar). Webinar - Kansas State University, NA, Webinar, January 09, 2019.
Reece, S., R. Williams, M. Colon, D. Southgate, E. Huertas, M. OShea, A. Iglesias, AND P. Sheridan. Spatial-Temporal Analysis of PM2.5 and NO2 Concentrations Collected Using Low-Cost Sensors in Peñuelas, Puerto Rico. Sensors. MDPI AG, Basel, Switzerland, 18(12):4314, (2018). https://doi.org/10.3390/s18124314
Williams, R. US EPA Emerging Sensor Technologies Research. Michigan Dept of Health (Webinar), webinar, December 12, 2018.
Williams, R. US EPA Air Sensor Research and Citizen Science. International Webinar on Science and Technology (ERN-APULIA), Webinar, September 28, 2018.
Reece, S., N. Feinberg, R. Williams, M. Colon, A. Iglesias, E. Huertas, M. OShea, P. Sheridan, AND D. Southgate. Assessment of air pollutants spatial trends in Penuelas, Puerto Rico using low cost air quality sensors. 2018 Air Sensors International Conference, Oakland, CA, September 12 - 14, 2018.
Williams, R. Emerging Sensor Technologies. WESTAR (Western States Air Resources Council)-webinar, Webinar, September 18 - 19, 2018.
Williams, R., D. Nash, G. Hagler, K. Benedict, I. MacGregor, B. Seay, M. Lawrence, AND T. Dye. Air Quality Sensor Technologies: Ozone Literature Findings. EPA Sensor Performance Deliberations Workshop, Research Triangle Park, NC, June 25 - 27, 2018.
Williams, R., Vasu Kilaru, AND K. Benedict. Air Sensors 2018: Deliberating Performance Targets. EM: AIR AND WASTE MANAGEMENT ASSOCIATION'S MAGAZINE FOR ENVIRONMENTAL MANAGERS. Air & Waste Management Association, Pittsburgh, PA, , 1-2, (2018).
Williams, R., D. Nash, G. Hagler, K. Benedict, I. MacGregor, B. Seay, M. Lawrence, AND T. Dye. Peer Review and Supporting Literature Review of Air Sensor Technology Performance Targets. U.S. Environmental Protection Agency, Washington, DC, EPA/600/R-18/324, 2018.
Reece, S., R. Williams, AND M. Colon. Assessment of Temporal and Spatial Trends of Air Pollutants Using Low-Cost Sensors in Peñuelas, Puerto Rico. ISES-ISEE 2018 Joint Annual Meeting, Ottawa, CANADA, August 26 - 30, 2018.
Barzyk, T., H. Huang, R. Williams, A. Kaufman, AND J. Essoka. Advice and Frequently Asked Questions (FAQs) for Citizen-Science Environmental Health Assessments. International Journal of Environmental Research and Public Health. Molecular Diversity Preservation International, Basel, Switzerland, 15(5):960, (2018). https://doi.org/10.3390/ijerph15050960
Morawska, L., P. Thai, X. Liu, A. Asumadu-Sakyi, G. Ayoko, A. Bartonova, A. Bedini, F. Chai, B. Christensen, M. Dunbabin, J. Gao, G. Hagler, R. Jayaratne, P. Kumar, A. Lau, P. Louie, M. Mazaheri, Z. Ning, N. Motta, B. Mullins, M. Rahman, Z. Ristovski, M. Shafiei, D. Tjondronegoro, D. Westerdahl, AND R. Williams. Applications of low-cost sensing technologies for air quality monitoring and exposure assessment: How far have they gone? ENVIRONMENT INTERNATIONAL. Elsevier B.V., Amsterdam, Netherlands, 116:286-299, (2018).
Conner, T., A. Clements, R. Williams, M. Srivastava, AND A. Kaufman. Macro Analysis Tool - MAT. U.S. Environmental Protection Agency, Washington, DC, 2018.
Breen, M., Y. Xu, A. Schneider, R. Williams, AND R. Devlin. Modeling individual exposures to ambient PM2.5 in the diabetes and the environment panel study (DEPS). SCIENCE OF THE TOTAL ENVIRONMENT. Elsevier BV, AMSTERDAM, Netherlands, 626:807-816, (2018).
Williams, R., T. Conner, A. Clements, V. Foltescu, V. Nthusi, J. Jabbour, D. Nash, J. Rice, A. Kaufman, A. Rourk, AND M. Srivastava. Performance Evaluation of the United Nations Environment Programme Air Quality Monitoring Unit. U.S. Environmental Protection Agency, Washington, DC, EPA/600/R-17/171, 2017.
Kaufman, A., R. Williams, T. Barzyk, M. Greenberg, M. OShea, P. Sheridan, A. Hoang, C. Ash, A. Teitz, M. Mustafa, AND S. Garvey. A Citizen Science and Government Collaboration: Developing Tools to Facilitate Community Air Monitoring. ENVIRONMENTAL JUSTICE. Mary Ann Liebert, Inc., New Rochelle, NY, 10(2):1-11, (2017).
Breen, M., Y. Xu, A. Schneider, R. Williams, AND R. Devlin. Modeling Air Pollution Exposure Metrics for the Diabetes and Environment Panel Study (DEPS). 2016 Annual International Society of Exposure Science Meeting, Utrecht, The Netherlands, October 09 - 13, 2016.
Williams, R. Emerging Low-Cost Sensors for Various Applications (Next Generation Air Monitoring). Federal Data Working Group, McLean , VA, McLean, VA, October 19, 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. Černikovský, J. Novák, AND R. Williams. Source apportionment with uncertainty estimates of fine particulate matter in Ostrava, Czech Republic using Positive Matrix Factorization. Atmospheric Pollution Research. Turkish National Committee for Air Pollution Research and Control, Izmir, Turkey, 7(3):503-512, (2016).
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.
Shin, H., Paul-A Jones, R. Brook, R. Bard, K. Oliver, AND R. Williams. Associations between personal exposures to VOCs and alterations in cardiovascular physiology: Detroit Exposure and Aerosol Research Study (DEARS) - presentation. 2015 ISEE, Sao Paulo, BRAZIL, August 30 - September 03, 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.
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. CAIRPOL CAIRCLIP NM-VOC. U.S. Environmental Protection Agency, Washington, DC, EPA/600/R-15/115 (NTIS PB2015-104894), 2015.