Research Physical Scientist
US EPA ORD
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.