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American Creosote Works (Pensacola Plant) : ウィキペディア英語版 | American Creosote Works (Pensacola Plant)
The American Creosote Works Superfund site is an inactive wood-treating facility in Pensacola, Florida located about a quarter-mile north of the confluence of Bayou Chico and Pensacola Bay.〔(【引用サイトリンク】title=American Creosote Works (Pensacola Pit) Superfund site progress profile )〕 The Superfund program of the United States Environmental Protection Agency (EPA) protects the public and the environment by requiring cleanup of the nation’s worst hazardous waste sites.〔http://www.epa.gov/region4/waste/sf/index.htm〕〔http://www.epa.gov/region4/waste/npl/nplfln/acwpenfl.htm〕 ==History== The plant operated from 1902 until 1981, when the company filed for bankruptcy. Before 1950, creosote was the primary wood preservative chemical, and after 1950 pentachlorophenol (PCP) became the preferred chemical. Prior to 1970, operators discharged liquid process wastes into two onsite, unlined, percolation ponds which were allowed to overflow into Bayou Chico and Pensacola Bay. Later, workers drew wastewaters off the ponds periodically and discharged them into designated "spillage areas" on site. Additional discharges occurred when heavy rainfall flooded the ponds, which then overflowed their dikes.
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