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Whitehill, A., R. Long, AND S. Kaushik. Evaluation of Continuous Formaldehyde Measurements. National Ambient Air Monitoring Conference 2018, Portland, OR, August 13 - 16, 2018.

Whitehill, A., R. Long, AND S. Kaushik. Evaluation of continuous formaldehyde measurements in ambient air. Presented at AGU Fall Meeting 2018, Washington, DC, December 10 - 14, 2018.

Duvall, R., R. Long, M. Beaver, AND Jim Szykman. Student and Teacher-led Data Collection using Air Sensors during the DISCOVER-AQ Study. Air Sensors International Conference (ASIC), Oakland,CA, September 12 - 14, 2018.

Spinei, E., A. Whitehill, A. Fried, M. Tiefengraber, T. Knepp, S. Herndon, J. Herman, M. Muller, N. Abuhassan, A. Cede, D. Richter, J. Walega, J. Crawford, Jim Szykman, L. Valin, D. Williams, R. Long, R. Swap, Y. Lee, N. Nowak, AND B. Poche. The first evaluation of formaldehyde column observations by improved Pandora spectrometers during the KORUS-AQ field study. Atmospheric Measurement Techniques. Copernicus Publications, Katlenburg-Lindau, Germany, 11(9):4943-4961, (2018). https://doi.org/10.5194/amt-11-4943-2018

Knepp, T., Jim Szykman, R. Long, R. Duvall, J. Krug, M. Beaver, K. Cavender, K. Kronmiller, M. Wheeler, R. Delgado, R. Hoff, T. Berkoff, E. Olson, R. Clark, D. Wolfe, D. Van Gilst, AND D. Neil. Assessment of mixed-layer height estimation from single-wavelength ceilometer profiles. Atmospheric Measurement Techniques. Copernicus Publications, Katlenburg-Lindau, Germany, 10:3963-3983, (2017).

Long, R., M. Beaver, R. Duvall, Jim Szykman, S. Kaushik, K. Kronmiller, M. Wheeler, S. Garvey, AND J. Crawford. Evaluation and Comparison of Methods for Measuring Ozone and NO2 Concentrations in Ambient Air during DISCOVER-AQ. EM Magazine. Air and Waste Management Association, Pittsburgh, PA, , 1-11, (2016).

Crawford, J., J. Al-Saadi, G. Pierce, R. Long, Jim Szykman, J. Leitch, C. Nowlan, J. Herman, AND A. Weinheimer. Multi-perspective observations of NO2 over the Denver area during DISCOVER-AQ: Insights for future monitoring. EM: AIR AND WASTE MANAGEMENT ASSOCIATION'S MAGAZINE FOR ENVIRONMENTAL MANAGERS. Air & Waste Management Association, Pittsburgh, PA, , August, (2016).

Nowlan, C., X. Lu, J. Leitch, K. Chance, G. González Abad, C. Lu, P. Zoogman, J. Cole, T. Delker, W. Good, F. Murcray, L. Ruppert, D. Soo, M. Follette-Cook, S. Janz, M. Kowalewski, C. Loughner, K. Pickering, J. Herman, M. Beaver, R. Long, Jim Szykman, L. Judd, P. Kelley, W. Luke, X. Ren, AND J. Al-Saadi. Nitrogen dioxide observations from the Geostationary Trace gas and Aerosol Sensor Optimization (GeoTASO) airborne instrument: Retrieval algorithm and measurements during DISCOVER-AQ Texas 2013. Atmospheric Measurement Techniques. Copernicus Publications, Katlenburg-Lindau, Germany, 9(6):2647-2668, (2016).

Duvall, R., R. Long, M. Beaver, K. Kronmillwe, M. Wheeler, Jim Szykman, M. Silverman, AND J. Crawford. Performance Evaluation and Community Application of Low-Cost Sensors for Ozone and Nitrogen Dioxide. Sensors. MDPI, Basel, Switzerland, 16(10):1698, (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.

Szykman, Jim, R. Long, R. Duvall, T. Knepp, M. Beaver, K. Cavender, R. Clarke, AND E. Olsen. The use of LIDAR Technology for Measuring Mixing Heights under the Photochemical Assessment Monitoring Program; leveraging research under the joint DISCOVER-AQ/FRAPPÉ Missions. EM: AIR AND WASTE MANAGEMENT ASSOCIATION'S MAGAZINE FOR ENVIRONMENTAL MANAGERS. Air & Waste Management Association, Pittsburgh, PA, , 1-7, (2016).

Long, R., M. Beaver, R. Duvall, EricS Hall, S. Kaushik, K. Kronmiller, M. Wheeler, AND S. Garvey. Evaluation and Comparison of Chemiluminescence and UV Photometric Methods for Measuring Ozone Concentrations in Ambient Air. In Proceedings, 2015 (108th) A&WMA Annual Conference, Raleigh, NC, June 22 - 25, 2015. Air and Waste Management Association, Pittsburgh, PA, 546, (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., R. Long, M. Beaver, R. Duvall, G. Hagler, Sue Kimbrough, E. Thoma, Bill Mitchell, W. Jiao, A. Kaufman, J. Rice, T. Hanley, AND S. Garvey. Sensor Technology and Performance Characteristics. AWMA 2015 Meeting, Raleigh, NC, June 22, 2015.

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.

Beaver, M., R. Long, K. Kronmiller, R. Duvall, S. Kaushik, T. Morphy, AND P. King. Ambient intercomparison of direct and indirect methods for ambient nitrogen dioxide. National Ambient Monitoring Conference, Atlanta, GA, August 11 - 14, 2014.

Beaver, M., R. Long, Jim Szykman, R. Duvall, K. Baker, J. Kelly, A. Weinheimer, D. Knapp, D. Montzka, S. Pusede, AND R. Cohen. DISCOVER-AQ SJV Surface Measurements and Initial Comparisons with Photochemical Model Simulations. CMAS Conference, Chapel Hill, NC, October 27 - 29, 2014.

Knepp, T., M. Pippin, J. Crawford, Jim Szykman, R. Long, L. Cowen, A. Cede, N. Abuhassan, J. Herman, R. Delgado, J. Compton, T. Berkoff, J. Fishman, D. Martins, R. Stauffer, A. Thompson, A. Weinheimer, D. Knapp, D. Montzka, D. Lenschow, AND D. Neil. Estimating Surface NO2 and SO2 Mixing Ratios from Fast-Response Total Column Observations and Potential Application to Geostationary Missions. JOURNAL OF ATMOSPHERIC CHEMISTRY. Springer, New York, NY, 0(0):1-26, (2014).

Duvall, R., R. Long, M. Beaver, EricS Hall, J. Szykman, AND S. Kaushik. Evaluation of small sensor technology for criteria air pollutants at ground-based sites and a citizen science network. National Ambient Air Monitoring Conference, Atlanta, GA, August 11 - 14, 2014.

Hall, E., S. Kaushik, R. Vanderpool, R. Duvall, M. Beaver, R. Long, AND P. Solomon. Integrating Sensor Monitoring Technology into the Current Air Pollution Regulatory Support Paradigm: Practical Considerations. American Journal of Environmental Engineering. Scientific & Academic Publishing, Rosemead, CA, 4(6):147-154, (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.

Long, R., E. Hall, M. Beaver, R. Duvall, S. Kaushik, K. Kronmiller, M. Wheeler, S. Garvey, Z. Drake, AND F. McElroy. Performance of the Proposed New Federal Reference Methods for Measuring Ozone Concentrations in Ambient Air. U.S. Environmental Protection Agency, Washington, DC, EPA/600/R-14/432 (NTIS PB2015-101240), 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).