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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Dan Wilde, WildeD1@Michigan.gov or 517-285-6999
253 Dino Drive was discovered based on sampling data submitted to EGLE in a baseline environmental assessment (BEA). The building was built in 1987 and was occupied by MTI, a subsidiary of Gelman Sciences for textile filter production, medical equipment manufacturing, and breathable waterproof fabric production until approximately 1993. Historical interior waste streams associated with the waterproofing operations may have included PFAS. Soil samples were collected, groundwater from a temporary monitoring well, and the on-site potable well on the south side of the building were sampled for PFAS as part of the BEA. Groundwater sample results exceeded criteria at the temporary monitoring well (TMW-1), screened from the 10–15-foot interval, for PFOA at 760 ppt (compared to 8 ppt) and PFNA at 45 ppt (compared to 6 ppt). The potable well (PW-1) analytical did indicate PFAS detections above laboratory reporting limits, but there were no drinking water exceedances. Groundwater flow direction is unknown but is assumed to be south-southeast based on topography and bounding wetlands to the south within the west Scio preserve.
Content posted March 2025.
See the groundwater analytical results at the site location.
EGLE, DHHS, and local health reviewed residential well logs and developed a sampling plan. In November 2024, 26 letters were mailed to nearby well owners requesting access to sample their well. Samples were collected from 12 locations that granted access in December 2024. Eleven samples were non-detect for PFAS and one well had detections below criteria, with a result of PFHxA at 2 ppt (compared to 400,000 ppt). The site is surrounded by commercial/industrial buildings with potable wells.
Anticipated activities include a liability determination.