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Wisconsin labels Tyco non-compliant in PFAS investigation. Here's the latest in the dispute.
MADISON – A company known for mixing firefighting foam containing toxic "forever chemicals" once again turned down a request to investigate how far the contamination may have spread when farmers used sludge from sewage treatment plants as fertilizer on their farms.
Tyco Fire Products, which has a fire training and research center based in Marinette, was issued its third letter of noncompliance by the Department of Natural Resources Monday, relating to the spread of sludge, or biosolids, from the Marinette wastewater utility.
For years, the company has pushed back against the DNR on investigating the expanded area, which includes fields miles outside of Marinette and Peshtigo, where the contamination from the fire training facility is largely concentrated. Tyco said there is no guaranteed way to tell if the PFAS in the sludge originated from Tyco's plant and could have another source.