Science Inventory

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Alexander, M., T. Waters, AND D. Wahman. Temperature Dependence of Indophenol Method Color Development: Monochloramine, Free Chlorine, or Free Ammonia Concentration Impact. Presented at 2022 Water Quality & Technology Conference, Cincinnati, OH, November 14 - 17, 2022.

Wahman, D., S. Smith, AND L. Haupert. Treatment of Perfluoroalkyl Substances in Drinking Water. 2022 EPA ROCS-Net, OH, Cincinnati, May 16 - 18, 2022.

Haupert, L., J. Pressman, T. Speth, AND D. Wahman. Avoiding Pitfalls When Modeling Removal of Per‐ and Polyfluoroalkyl Substances by Anion Exchange. AWWA Water Science. John Wiley & Sons, Inc., Hoboken, NJ, 3(2):e1222, (2021). https://doi.org/10.1002/aws2.1222

Pfaller, S., D. King, J. Mistry, M. ALEXANDER, G. Abulikemu, J. Pressman, D. Wahman, AND M. Donohue. Chloramine Concentrations within Distribution Systems and Their Effect on Heterotrophic Bacteria, Mycobacterial Species, and Disinfection Byproducts. WATER RESEARCH. Elsevier Science Ltd, New York, NY, 205:117689, (2021). https://doi.org/10.1016/j.watres.2021.117689

Keithley, Sarah (Asher), C. Muhlen, D. Wahman, AND D. Lytle. Fate of Ammonia and Implications for Distribution System Water Quality at Four Ion Exchange Softening Plants with Elevated Source Water Ammonia. WATER RESEARCH. Elsevier Science Ltd, New York, NY, 203:117485, (2021). https://doi.org/10.1016/j.watres.2021.117485

Zhang, C., I. Struewing, J. Mistry, D. Wahman, J. Pressman, AND J. Lu. Legionella and other opportunistic pathogens in full-scale chloraminated municipal drinking water distribution systems. WATER RESEARCH. Elsevier Science Ltd, New York, NY, 205:117571, (2021). https://doi.org/10.1016/j.watres.2021.117571

Gomez-Alvarez, V., H. Liu, J. Pressman, AND D. Wahman. Metagenomic Profile of Microbial Communities in a Drinking Water Storage Tank Sediment after Sequential Exposure to Monochloramine, Free Chlorine, and Monochloramine. ENVIRONMENTAL SCIENCE & TECHNOLOGY. American Chemical Society, Washington, DC, 1(5):1283-1294, (2021). https://doi.org/10.1021/acsestwater.1c00016

Alexander, M., T. Waters, D. Wahman, AND G. Smith. Method 127: Determination of Monochloramine Concentration in Drinking Water. U.S. Environmental Protection Agency, Washington, DC, 2021.

Burkhardt, J., R. Anderson, R. Khera, L. Haupert, P. Ransom, D. Wahman, P. Jordan, J. Pressman, M. Mills, AND T. Speth. Modeling Water Treatment Performance and Costs for Removal of Per- and Polyfluoroalkyl Substances from Drinking Water. Edition 1st, Chapter 15, Forever Chemicals: Environmental, Economic, and Social Equity Concerns with PFAS in the Environment. Taylor & Francis Group, London, Uk, , 315-339, (2021). https://doi.org/10.1201/9781003024521

Alexander, M., T. Waters, D. Wahman, AND G. Smith. Monochloramine Measurement. JOURNAL OF THE AMERICAN WATER WORKS ASSOCIATION. American Water Works Association, Denver, CO, 113(8):70-71, (2021). https://doi.org/10.1002/awwa.1790

Kleiner, E., T. Sanan, S. Smith, J. Pressman, G. Abulikemu, B. Crone, AND D. Wahman. Practical Implications of Perfluoroalkyl Substances Adsorption on Bottle Materials: Isotherms. AWWA Water Science. John Wiley & Sons, Inc., Hoboken, NJ, 3(5):e1243, (2021). https://doi.org/10.1002/aws2.1243

Pham, H., J. Fairey, AND D. Wahman. Revising Dichloramine Decay in the Unified Model of Chloramine Chemistry: Formation of Reactive Nitrogen Species and NDMA. 2021 AWWA WQTC, Tacoma, Washington, November 07 - 11, 2021.

Waters, T., M. Alexander, AND D. Wahman. Temperature impact on monochloramine, free ammonia, and free chlorine indophenol methods. Water Practice & Technology. IWA Publishing, London, Uk, 16(1):135-145, (2021). https://doi.org/10.2166/wpt.2020.104

Wahman, D., M. Pinelli, M. Schock, AND D. Lytle. Theoretical Equilibrium Lead (II) Solubility Revisited: Open Source Code and Practical Relationships. AWWA Water Science. John Wiley & Sons, Inc., Hoboken, NJ, 3(5):e1250, (2021). https://doi.org/10.1002/aws2.1250

Pham, H., D. Wahman, AND J. Fairey. Updated Reaction Pathway for Dichloramine Decomposition: Formation of Reactive Nitrogen Species and N-Nitrosodimethylamine. ENVIRONMENTAL SCIENCE & TECHNOLOGY. American Chemical Society, Washington, DC, 55(3):1740-1749, (2021). https://doi.org/10.1021/acs.est.0c06456

Wahman, D. Web–Based Apps to Simulate Disinfectant Water Chemistry: Development and Practical Uses - Cincinnati. 2021 EPA Small Systems Webinar Series, OH, Cincinnati, March 30, 2021.

Speth, T., J. Burkhardt, R. Khera, P. Ransom, P. Jordan, L. Haupert, D. Wahman, AND J. Pressman. An Overview of PFAS within Region 4 and Treatment Options. EPA ORD – Region 4 2020 Small Drinking Water Systems Meeting, NA, October 14 - 15, 2020.

Do, T., J. Fairey, A. Pifer, D. Wahman, AND W. Zhang. Assessing Fluorescence as an Early-Warning Indicator of Biological Ammonia Oxidation in Chloraminated Water: Laboratory-Scale Annular Reactor Studies with a Benchtop Fluorometer. Water Research Foundation, Denver, CO, (2020).

Hodges, S., D. Wahman, AND J. Fairey. Diffusion Coefficients of PFAS-Surrogates in Agarose Gels for Passive Samplers (ER20-1363). 2020 SERDP and ESTCP Symposium, Washington,DC, November 30 - December 04, 2020.

Wahman, D. AND J. Pressman. Disinfectant Penetration into Biofilm and Sediment, Cincinnati. EPA Small Systems Monthly Webinar Series, Cincinnati, OH, October 27, 2020.

Formal, C., D. Lytle, S. Harmon, D. Wahman, AND Mike DeSantis. Effect of pH, Dissolved Inorganic Carbon and Phosphates on the Nature of Lead Particles and Associated Solubility in Water. To be Presented at AWWA Virtual Summit: Water Quality and Infrastructure, CINCINNATI, OH, December 08 - 10, 2020.

Wahman, D. Free Chlorine Estimator for Dichlor and Trichlor Systems. U.S. Environmental Protection Agency, Washington, DC, EPA/600/C-19/034, 2019.

Zhang, C., I. Struewing, J. Mistry, D. Wahman, J. Pressman, AND J. Lu. Legionella and other opportunistic pathogens in chloraminated drinking water distribution systems. ACEER 2020, Virtual, October 20 - 23, 2020.

Alexander, M., T. Waters, G. Smith, AND D. Wahman. New EPA Method to Determine Monochloramine Concentration in Drinking Water. 17th Annual EPA Drinking Water Workshop: Small System Challenges and Solutions, Cincinnati, OH, August 31 - September 03, 2020.

Speth, T., M. Mills, C. Acheson, C. Patterson, J. Pressman, P. Jordan, R. Khera, P. Ransom, J. Burkhardt, D. Wahman, L. Haupert, AND S. Glassmeyer. PFAS Treatment in Drinking Water and Wastewater – State of the Science. PFAS Science Webinars for EPA Region 1 and State & Tribal Partners, NA, September 16 - 23, 2020.