Research Physical Scientist
EPA ORD, NC
John H. Zimmerman, U.S. EPA ORD Center for Environmental Measurement & Modeling (zimmerman.johnh@epa.gov)
John H. Zimmerman is a research physical scientist with the U.S. EPA (RTP, NC). He has worked on and lead research activities focused on development, evaluation, and verification of methodologies for collection, transportation, and analysis of VOCs in soils, water and air for over 30 years. The recent focus of his research has been on solvent vapor intrusion (SVI) issues related to large buildings and an investigation of per- and polyfluorinated alkyl substances (PFAS) and their potential to be compounds of concern for vapor intrusion.
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