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Thoma, E., J. Dewees, R. Kester, N. Hagan, Y. Zeng, AND J. Morris. Progress in Evaluating Quantitative Optical Gas Imaging. Presented at Air & Waste Management Association Air Quality Measurement Methods and Technology Conference, Chapel Hill, NC, March 15 - 17, 2015.

Brantley, H., E. Thoma, William Squier, AND A. Eisele. Remote and Onsite Direct Measurements of Emissions from Oil and Natural Gas Production. In Proceedings, 108th Annual Conference of the Air & Waste Management Association, Raleigh, NC, June 23 - 26, 2015. US Environmental Protection Agency, Cincinnati, OH, 5 pg, (2015).

Thoma, E., W. Jiao, T. Wu, B. Squier, Bill Mitchell, K. Oliver, D. Whitaker, S. Mukerjee, M. Colon, C. Gross-Davis, H. Schmidt, R. Landy, J. Dewees, R. Merrill, S. Amin, M. Modrak, AND T. Cousett. South Philadelphia Passive Sampler and Sensor Study. 108th Annual Conference of the Air & Waste Management Association, June 23-26, 2015, Raleigh, NC, June 23 - 25, 2015.

Thoma, E. South Philadelphia Passive Sampler and Sensor Study - Interim Report. Presented at AWMA annual conference, Raleigh, NC, June 22 - 25, 2015.

Thoma, E., W. Jiao, H. Brantley, T. Wu, B. Squier, Bill Mitchell, K. Oliver, D. Whitaker, S. Mukerjee, M. Colon, C. Gross-Davis, H. Schmidt, R. Landy, J. Dewees, R. Merrill, E. Escobar, M. Amin, M. modrak, AND T. Cousett. South Philadelphia Passive Sampler and Sensor Study: Interim Report. In Proceedings, 108th Annual Conference of the Air & Waste Management Association, Raleigh, NC, June 23 - 26, 2015. Air and Waste Management Association, Pittsburgh, PA, 1-14, (2015).

Zhou, X., A. Gaylord, D. Smith, J. Alberstson, J. von Fischer, J. Rudek, E. Thoma, AND D. Allen. The Mobile Monitoring of fugitive methane emissions from natural gas consumer industries. Presented at American Geophysical Union Fall Meeting, San Francisco, CA, December 14 - 18, 2015.

Burkin, C. AND E. Thoma. Towards Understanding Methane Emissions from Abandoned Wells. Presented at Natural GasSTAR Annual Implementation Workshop, Pittsburgh, PA, November 16 - 18, 2015.

Matichuk, R., E. Thoma, A. Eisele, AND G. Tonnesen. Understanding Emissions from Control-Related Equipment used in Oil and Gas Production Operations to Support EPA’s Air Quality Modeling of Ozone Non-attainment Areas. Presented at Annual Conference of the Air & Waste Management Association, Raleigh, NC, June 23 - 26, 2015.

Li, J., R. Green, D. Magnusson, AND E. Thoma. Using Eddy Covariance to Quantify Methane Emission from a Dynamic Heterogeneous Area. Presented at Annual Conference of the Air & Waste Management Association, Raleigh, NC, June 23 - 26, 2015.

Li, J., R. Green, M. Dale, J. Amen, E. Thoma, T. Forster Wittig, M. Dayle, L. Xu, AND G. Burba. Using Eddy Covariance to Quantify Methane Emissions from a Dynamic Heterogeneous Area. In Proceedings, 108th Annual Conference of the Air & Waste Management Association, Raleigh, NC, June 23 - 26, 2015. US Environmental Protection Agency, Cincinnati, OH, 0, (2015).

Brantley, H., E. Thoma, B. Squier, B. Guven, AND D. Lyon. Assessment of Methane Emissions from Oil and Gas Production Pads using Mobile Measurements. ENVIRONMENTAL SCIENCE & TECHNOLOGY. American Chemical Society, Washington, DC, 48(24):14508-14515, (2014).

Brantley, H., B. Galvis, S. Herndon, E. Thoma, A. Russell, M. Bergin, P. Massoli, E. Fortner, J. Franklin, L. Xu, AND N. Ng. Atlanta Rail Yard Study: Evaluation of local-scale air pollution trends using stationary and mobile monitoring. American Association for Aerosol Research Annual Conference, MINNEAPOLIS, MN, October 20 - 24, 2014.

Albertson, J., S. Ferrari, G. Katul, T. Foster-Wittig, AND E. Thoma. Bayesian Estimation of Fugitive Methane Point Source Emission Rates from a SingleDownwind High-Frequency Gas Sensor. Air and Waste Management Association 107th Annual Conference, Long Beach, CA, June 24 - 27, 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.

Foster Wittig, T. AND E. Thoma. Development of a Mobile Tracer Correlation Method for Assessment of Air Emissions from Landfills and Other Area Sources. Presented at Global Waste Management Symposium, Orlando, FL, June 22 - 25, 2014.

Foster-Wittig, T., E. Thoma, R. Green, G. Hater, N. Sawn, AND J. Chanton. Development of a Mobile Tracer Correlation Method for Assessment of Air Emissions from Landfills and Other Area Sources (Abstract). Global Waste Management Symposium, Orlando, FL, June 22 - 25, 2014.

Thoma, E., H. Brantley, AND J. Albertson. Fugitive methane assessment with mobile and fence line sensors. CH4 Connections Workshop, The Woodlands, TX, September 23 - 24, 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.

Jiao, W., E. Thoma, H. Brantley, B. Squier, Bill Mitchell, E. Escobar, M. Modrak, S. Amin, AND G. Wiley. Investigation of a Low Cost Sensor-Based Leak Detection System for Fence Line Applications. Presented at 80th Annual Meeting of the Air & Waste Management Association, Raleigh, NC, June 23 - 26, 2015.

Brantley, H., G. Hagler, AND E. Thoma. Mobile Monitoring Data Processing and Analysis Strategies. 2nd Annual Workshop on Wireless Intelligent Sensor Networks (WISeNet), Durham, NC, June 09 - 10, 2014.

Alberston, J., X. Zhou, E. Thoma, T. Ferrera, AND B. Lamb. Near-source mobile methane emission estimates using EPA Method33a and a novel probabilistic approach as a basis for leak quantification in urban areas. American Geophyisical Union, San Francisco, CA, December 14 - 18, 2014.

Thoma, E. Next Generation Source Measurements. Presented at AWMA and Ontario Ministry of the Environment Air Monitoring Workshop, Sarnia, CANADA, November 05 - 06, 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.

Thoma, E. AND B. Squier. OTM 33 Geospatial Measurement of Air Pollution, Remote Emissions Quantification (GMAP-REQ) and OTM33A Geospatial Measurement of Air Pollution-Remote Emissions Quantification-Direct Assessment (GMAP-REQ-DA). US Environmental Protection Agency, Cincinnati, OH, 2014.

Cambaliza, M., J. Bogner, R. Green, P. Shepson, E. Thoma, T. Foster-Wittig, AND K. Spokas. Quantifying spatial and temporal variability of methane emissions from a complex area source: case study of a central Indiana landfill. American Geophysical Union Fall Meeting, San Francisco, CA, December 15 - 19, 2014.