The city of South Pasadena is suing The Dow Chemical Co. and Shell Oil Co., alleging that for more than four decades both firms willfully manufactured a pesticide containing a cancer-causing chemical that has contaminated the municipality’s drinking water supply.
The 25-page complaint, filed last month in U.S. District Court, contends that from the 1940s to 1980s Dow and Shell marketed a pesticide containing the chemical 1,2,3-trichloropropane, also known as TCP.
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