The Detroit News has a dark feature on the city of St. Louis, home to the Velsicol Chemical plant that played a key role in the state's PBB livestock contamination in the 1970s. Now, St. Louis is the only city in the country where para-chlorobenzene sulfonic acid, a byproduct of producing the pesticide DDT, has been found in drinking water (in wells that supply half of the city's water).

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