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Ryan, J. EPA Update on Methods for Stationary Source PFAS Emission Measurements, April 2-23. 44th Stationary Source Sampling and Analysis for Air Pollutants Conference, Panama City, FL, April 02 - 07, 2023.

Ryan, J. EPA Update on Methods for Stationary Source PFAS Emission Measurements, March 2023. OAQPS MEASUREMENT TECHNOLOGY WORKSHOP 2023, Research Triangle Park, NC, March 14 - 16, 2023.

Speth, T., J. Burkhardt, N. Dugan, L. Haupert, P. Jordan, R. Khera, M. Krause, Jonathan D. Krug, T. Lee, M. Mills, M. Nadagouda, P. Potter, J. Ryan, E. Sahle-Demessie, E. Shields, E. Thoma, AND P. Ransom. PFAS Removal & Destruction. Per- and Polyfluoroalkyl Substance (PFAS) Workgroup Meeting - Missouri DNR, NA, MO, January 30, 2023.

Speth, T., J. Burkhardt, S. Burden, N. Dugan, L. Haupert, P. Jordan, R. Khera, M. Krause, Jonathan D. Krug, T. Lee, M. Mills, M. Nadagouda, P. Potter, J. Pressman, J. Ryan, E. Sahle-Demessie, E. Shields, E. Thoma, AND P. Ransom. PFAS Removal & Destruction - Region 7. Region 7 Webinar, Lenexa, KS, June 13, 2023.

Ryan, J. AND E. Shields. Data Supporting the Use of Evacuated Whole Air Canisters for the Sampling and Analysis of Volatile PFAS from Industrial and Combustion/Incineration Sources. U.S. Environmental Protection Agency, Washington, DC, 2022.

Ryan, J. AND R. Merrill. EPA PFAS Emissions Measurement Method OTM-45. Air and Waste Management Association Air Quality Measurement Methods and Technology Conference, Research Triangle Park, North Carolina, March 08 - 09, 2022.

Ryan, J. EPA Update on Methods for Stationary Source PFAS Emission Measurements. Air and Waste Management Association’s Information Exchange, Durham, NC, December 06 - 07, 2022.

Ryan, J. Field Data Informing OTM-45 Analytical Performance. U.S. Environmental Protection Agency, Washington, DC, 2022.

Shields, E., Jonathan D. Krug, S. Jackson, W. Roberson, J. Ryan, AND Bill Linak. Multi-Scale Evaluation of PFAS Thermal Destruction Requirements (ER21-1288), July 2022. SERDP PFAS Meeting, Long Beach, CA, July 18 - 21, 2022.

Speth, T., P. Jordan, M. Krause, Jonathan D. Krug, T. Lee, M. Mills, M. Nadagouda, P. Potter, J. Ryan, E. Sahle-Demessie, E. Shields, E. Thoma, T. Tolaymat, AND Rick Wilkin. PFAS Destruction: Overview on EPA-ORD’s Recent Activities. Presented at EPA Meets the World, Cincinnati, OH, August 04, 2022.

Krug, J., W. Roberson, E. Shields, P. Lemieux, J. Ryan, P. Kariher, S. Jackson, L. Wickersham, Bill Linak, P. Burnette, J. Nash, L. Virtaranta, AND W. Preston. Pilot‐Scale Thermal Destruction of Per‐ and Polyfluoroalkyl Substances (PFAS) in a Legacy Aqueous Film Forming Foam (AFFF). The Science of PFAS: Transforming Research into Action A&WMA Specialty Conference, Durham, NC, November 08 - 10, 2022.

Krug, Jonathan D., W. Roberson, P. Lemieux, C. Lee, J. Ryan, P. Kariher, E. Shields, S. Jackson, L. Wickersham, Bill Linak, P. Burnette, J. Nash, L. Virtaranta, AND B. Preston. Pilot-Scale Thermal Destruction of Perfluorinated Akyl Substance (PFAS) Compounds. 39th International Conference on Thermal Treatment Technologies and Hazardous Waste Combustors, West Palm Beach, FL, May 05 - 06, 2022.

Krug, J., W. Roberson, P. Lemieux, J. Ryan, P. Kariher, E. Shields, S. Jackson, L. Wickersham, Bill Linak, C. Lee, P. Burnette, J. Nash, L. Virtaranta, W. Preston, M. Denison, K. Davis, D. Swensen, AND J. Wendt. Thermal Destruction of Perfluorinated Akyl Substances (PFAS) in a Pilot-Scale Combustor. 39th Internationa; Symposium on Combustion, Vancouver, British Columbia, CANADA, July 24 - 29, 2022.

Krug, Jonathan D., P. Lemieux, C. Lee, J. Ryan, P. Kariher, E. Shields, L. Wickersham, M. Denison, K. Davis, D. Swensen, R. Burnette, J. Wendt, AND Bill Linak. Combustion of C1 and C2 PFAS: Kinetic Modeling and Experiments. In Proceedings, 38th International Conference on Incineration and Thermal Treatment Technologies, NA, January 27 - 28, 2021. AWMA, Pittsburgh, PA, NA, (2021).

Krug, Jonathan D., P. Lemieux, C. Lee, J. Ryan, P. Kariher, E. Shields, L. Wickersham, M. Denison, K. Davis, D. Swensen, R. Burnette, J. Wendt, AND Bill Linak. Combustion of C1 and C2 PFAS: Kinetic Modeling and Experiments, February 25, 2021. Michigan PFAS Action Team (MPART) Meeting, NA, Virtual, February 25, 2021.

Krug, Jonathan D., P. Lemieux, C. Lee, J. Ryan, P. Kariher, E. Shields, L. Wickersham, M. Denison, K. Davis, D. Swensen, R. Burnette, J. Wendt, AND Bill Linak. Combustion of C1 and C2 PFAS: Kinetic Modeling and Experiments, January 28, 2021. 38th International Conference on Thermal Treatment Technologies and Hazardous Waste Combustors, NA, Virtual Conference, January 27 - 28, 2021.

Ryan, J. EPA PFAS Air Source Emission Measurements:Research and Activities, December 2021. 46th Annual A&WMA Information Exchange (Virtual Conference), Research Triangle Park, North Carolina, December 08 - 09, 2021.

Riedel, T., A. Wallace, E. Shields, J. Ryan, C. Lee, AND Bill Linak. Low Temperature Thermal Treatment of Gas-Phase Fluorotelomer Alcohols by Calcium Oxide. CHEMOSPHERE. Elsevier Science Ltd, New York, NY, 272:0, (2021).

Ryan, J. AND R. Merrill. Other Test Method 45 (OTM 45) PFAS Sampling and Analysis ?from Stationary Emission Sources. EPA-ECOS-ASTHO PFAS Science Call, NA, Virtual Meeting, February 22, 2021.

Merrill, R. AND J. Ryan. Other Test Method 45 (OTM45)?PFAS Sampling and Analysis ?from Stationary Emission Sources. Source Evaluation Society EPA Update Webinar, NA, Virtual Meeting, April 21, 2021.

Ryan, J. PFAS Thermal Treatment:ORD Perspectives and Research. AWMA 38th International Conference on Thermal Treatment Technologies and Hazardous Waste Combustors, Research Triangle Park, North Carolina, January 27 - 28, 2021.

Ryan, J. EPA PFAS Air Emission Measurements: Activities and Research - January. Measurement Technology Workshop 2020, Research Triangle Park, North Carolina, January 28 - 30, 2020.

Speth, T., M. Mills, L. Phelps, AND J. Ryan. Research Needs for Emission Measurement Methods and Source Characterizations. Thermal Treatment of PFAS: The State of the Science, Cincinnati,OH, February 25 - 27, 2020.

Ryan, J. EPA PFAS Air Emission Measurements: Activities and Research - Nov 13, 2019. NESCAUM Air Toxics and Public Health Committee Meeting, Albany, New York, November 13 - 14, 2019.

Strynar, M., J. McCord, A. Lindstrom, J. Washington, J. Offenberg, J. Ryan, T. Riedel, D. Tabor, I. George, T. Buckley, M. Medina-Vera, A. Gillespie, E. Bergman, S. Goodrow, E. Peduto Jr., B. Kernen, AND C. Beahm. Identification of per- and polyfluoroalkyl substances (PFAS) from samples near US industrial manufacturing and use facilities. Spring 2019 ACS National Meeting & Expo, Orlando, FL, March 31 - April 01, 2019.