3M to pay $2.9 million fine after MPCA concludes 2-year investigation
The Minnesota Pollution Control Agency has completed its investigation into hazard waste violations committed by 3M, with the company being required to pay a fine of nearly $2.9 million. The two-year investigation found hazardous violations dating back to 1996 at 3M’s facility in Cottage Grove, Minnesota, the MPCA announced Thursday.