States Cut ‘Forever Chemicals’ in Biosolids as They Await EPA

Dec. 8, 2021, 7:22 PM

Three upper Midwest states aim to reduce “forever chemicals” in land-applied biosolids while the federal EPA decides whether the chemicals presence in this type of fertilizer may harm people, farms, or animals.

Data shows that the interim strategy for land application of biosolids that Michigan issued in March—combined with other pollution identification and control efforts the state already was taking—is paying off, said Michael Person, who coordinates the biosolids program in Michigan’s Department of Environment, Great Lakes, and Energy.

Biosolids are treated wastewater sludge that is commonly spread on farmland because of its nutrients.

Perfluorooctane sulfonic acid, or PFOS, was ...

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