Comments – February 2020 Draft Supplemental Guidance: Screening and Evaluating Vapor Intrusion

Dear Mr. Waggoner:


The Southern California Alliance of Publicly Owned Treatment Works (SCAP), Central Valley Clean
Water Association (CVCWA), Bay Area Clean Water Agencies (BACWA) and California Association of
Sanitation Agencies (CASA) appreciate the opportunity to comment on the February 2020 Draft
Supplemental Guidance: Screening and Evaluating Vapor Intrusion (Draft Supplemental Guidance)
document.

Full Letter – Comments – February 2020 Draft Supplemental Guidance: Screening and Evaluating Vapor Intrusion