Research Scientist
U.S. EPA, NC
Alan Williams is a Biologist working at the Environmental Protection Agency in the Office of Research and Development. He has been working with the EPA since 2008. He has provided laboratory analytical support to a variety of projects developing and using inorganic and organic methods for the analysis of air, soil, water, and other media, with a focus on volatile organic compounds. His recent research focus has been on vapor intrusion issues in large buildings, and community science use of indicator and tracer principles for vapor intrusion determinations, and investigations into the volatilization of PFAS in the vapor intrusion pathway.
Pulsed Vapor Intrusion During Fall and Winter Intensive Sampling Events
Tuesday, June 10, 2025
1:50pm – 2:10pm ET
Tuesday, June 10, 2025
2:10pm – 2:30pm ET
Performance Testing of a Volatile PFAS Method Applicable to Indoor Air, Soil Gas, and/or Sewer Gas
Thursday, June 12, 2025
10:30am – 10:50am ET
