Laboratories Offering Home Testing
PFAS MCLs and Drinking Water
Statewide Testing Initiative
PFAS Sites and Areas of Interest
There are two major classes of firefighting foam: Class A and Class B. Class B is also called Aqueous film forming foam (AFFF) and is usually created using PFAS. It is a highly effective foam used for fighting high-hazard flammable liquid fires, like gasoline, oil, and jet fuel.
Official Correspondence
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For site-specific correspondence, such as for the former Wurtsmith Air Force Base or the Belmont House Street Disposal Area, visit the site's individual page under the "Investigations" tab above.
Updated: April 11, 2024; newly added items indicated with yellow highlight