The EPA has moved the contaminated Carter Carburetor factory site in St. Louis closer to being cleaned up at federal expense.
The EPA also has authorized soil, sediment, and air vapor samples to see if contamination has spread to adjoining properties.
The steps are being taken to move the cleanup closer to the national Superfund priorities list. The agency estimates cleanup will cost at least $27 million dollars. Carter Carburetor made products for gasoline and diesel-powered engines for more than 50 years before closing in 1984.