PFOS levels decline in the Mississippi
Levels of a chemical once manufactured by the 3M company — perfluorooctane sulfate, or PFOS — are declining in the Mississippi River fish below the Twin Cities, but the levels … Read more
Levels of a chemical once manufactured by the 3M company — perfluorooctane sulfate, or PFOS — are declining in the Mississippi River fish below the Twin Cities, but the levels … Read more