Science Inventory

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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

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.

Hagler, G., R. Williams, V. Papapostolou, AND A. Polidori. Air Quality Sensors and Data Adjustment Algorithms: When Is It No Longer a Measurement? ENVIRONMENTAL SCIENCE & TECHNOLOGY. American Chemical Society, Washington, DC, 52(10):5530–5531, (2018). https://doi.org/10.1021/acs.est.8b01826

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).

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). https://doi.org/10.1016/j.envint.2018.04.018

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.

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.

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., 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.

Williams, R. US EPA Air Sensor Research and Citizen Science. International Webinar on Science and Technology (ERN-APULIA), Webinar, September 28, 2018.

Kimbrough, Sue, R. Williams, R. Duvall, T. McArthur, AND C. Williams. Village Green Design, Operations, and Maintenance Document. U.S. Environmental Protection Agency, Washington, DC, EPA/600/R-18/037, 2018.

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).

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.

Feinberg, S., R. Williams, J. Rickard, R. Brown, D. Garver, G. Harshfield, P. Stauffer, E. Mattson, R. Judge, AND S. Garvey. CAIRSENSE Study: Real-world evaluation of low cost sensors in Denver, Colorado. Presented at National Ambient Air Monitoring Conference, St. Louis, Missouri, August 08 - 11, 2016.

Jiao, W., G. Hagler, R. Williams, R. Sharpe, R. Brown, D. Garver, R. Judge, M. Caudill, J. Rickard, M. Davis, Lewis Weinstock, S. Zimmer-Dauphinee, AND K. Buckley. Community Air Sensor Network (CAIRSENSE) project: Evaluation of low-cost sensor performance in a suburban environment in the southeastern United States. Atmospheric Measurement Techniques. Copernicus Publications, Katlenburg-Lindau, Germany, 9(11):5281-5292, (2016).

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.

Hagler, G., Z. Ning, P. Louie, R. Sharpe, N. Lam, AND R. Williams. Performance Assessment of a Solar powered Air Quality and Weather Station Placed on a School Rooftop in Hong Kong. Presented at AWMA Measurements Conference, Chapel Hill, NC, March 15 - 17, 2016.

Hagler, G., Z. Ning, N. Lam, R. Sharpe, R. Williams, AND P. Louie. Performance Assessment of a Solar-powered Air Quality and Weather Station Placed on a School Roof top in Hong Kong. EM: AIR AND WASTE MANAGEMENT ASSOCIATION'S MAGAZINE FOR ENVIRONMENTAL MANAGERS. Air & Waste Management Association, Pittsburgh, PA, , 234-238, (2016).

Hagler, G., Z. Ning, P. Louie, R. Sharpe, AND R. Williams. Performance assessment of a solar-powered air quality and weather station placed on a school rooftop in Hong Kong. Presented at AWMA Hong, Hong Gong, CHINA, March 14 - 18, 2016.

Hagler, G., R. Williams, E. Thoma, Bill Mitchell, R. Duvall, R. Long, B. Gullett, A. Holder, T. Barzyk, Sue Kimbrough, S. Feinberg, A. Kaufman, AND H. Brantley. Rapid evolution of air pollution sensor technology for research and consumer product applications. Presented at WISeNet workshop, Durham, NC, May 09, 2016.

Hagler, G., R. Williams, E. Thoma, Bill Mitchell, R. Duvall, R. Long, B. Gullett, A. Holder, T. Barzyk, Sue Kimbrough, S. Feinberg, A. Kaufman, AND H. Brantley. Rapid evolution of air sensor technologies. Presented at Wireless Intelligent Sensor Network workshop, Durham, NC, May 09, 2016.

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).

Breen, M., T. Long, B. Schultz, R. Williams, J. Richmond-Bryant, M. Breen, J. Langstaff, R. Devlin, A. Schneider, J. Burke, S. Batterman, AND Q. Meng. Air Pollution Exposure Model for Individuals (EMI) in Health Studies: Evaluation for Ambient PM2.5 in Central North Carolina. ENVIRONMENTAL SCIENCE & TECHNOLOGY. American Chemical Society, Washington, DC, 49(24):14184-14194, (2015).