![]() Contaminated water and sludge was removed from concrete tanks in 2006, and the tanks have been closed. The soil cleanup was completed in 2003 by excavating about 2,500 cubic yards of the contaminated soil and disposed of off-site. In 1980, the company installed a wastewater pre-treatment facility with discharge to the city's sanitary sewer system. Between 19, company records indicate that OCI discharged its process waste and cooling water, which included hazardous wastes, into the on-site seepage lagoon. All water is supplied by the city of Grandville although some residents use well water for lawn sprinkling. Residential areas are about 200 feet southeast and 1,700 feet to the southwest of the site. OCI operated on the site from 1968 to 1991, and, in 1979, became the owner by a deed conveyance from Spartan. reclaimed solvents and conducted chemical manufacturing operations of its subsidiary, Organic Chemicals Co. A succession of petroleum-related industries leased the land, prior to its purchase by Spartan Chemicals in 1968. It was previously used for petroleum refining from 1941 to 1945 and for transport and storage operations from 1945 to 1966. (OCI) site is located about one mile southeast of the Grand River in Grandville. Work on the main plant site could start in 2016 if funding is approved. Authorities are investigation contamination downstream of the former plant property. In 2012, the EPA began cleanup of contaminated soil in residential areas near the main plant site. DDT levels in fish have been reduced by over 98 percent, but the state is keeping the fish advisory in place until the entire site has been cleaned. In 2006, the slurry wall and clay cap were shown to be failing. Over 670,000 cubic yards of DDT-contaminated sediment was removed. ![]() From 1998 to 2006, sediment was dredged from the river. From 1998 to 2006, a variety of actions taken addressed contamination in the Pine River, costing more than $100 million. A no-consumption advisory for all fish species remains in effect today. The Pine River borders the former plant on three sides and was significantly contaminated. ![]() Velsicol agreed to construct a slurry wall around the former plant site and clay cap it. Products included the fire retardant polybrominated biphenyl (PBB) and the pesticide DDT. (formerly Michigan Chemical Corp.) produced various chemicals at its 54-acre main plant site in St.
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