Background

The United Heckathorn Co. Superfund site is located on the eastern shore of San Francisco Bay in an industrial area of the City of Richmond, California, and consists of two adjacent areas: an upland area with contaminated soils, and a marine area with contaminated sediments in harbor channels, including Lauritzen Channel, Parr Canal, Santa Fe Channel, and Richmond Inner Harbor. From the mid-1940s to the mid-1960s, several companies used the site to process, package, and ship pesticides, particularly with dichlorodiphenyl trichloroethane (DDT). Poor management and housekeeping practices during the site’s use as a pesticide processing facility released contaminants of concern ...
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