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Mississippi River oil spill (1962–63) : ウィキペディア英語版 | Mississippi River oil spill (1962–63)
In 1962 and 1963, industrial accidents spilled 3.5 million gallons of oil into the Mississippi and Minnesota Rivers. The oil covered the Mississippi River from St. Paul to Lake Pepin, creating an ecological disaster and a demand to control water pollution.〔 On December 7, 1962, workers at the Richards Oil Plant in Savage forgot to open steam lines that heated oil pipes at the plant. On December 8, these pipes burst in low temperatures. They spilled one million gallons of petroleum into the Minnesota River. By January 24, 1963, the Department of Health traced downstream oil back to Richards Oil. Employees claimed only a small leak had occurred. The Department of Health requested that Richards Oil clean up the oil but could only take action if there was a public health emergency. Richards continued to drain oil until March.〔 ==Second spill== On January 23, 1963, a storage tank collapsed at Honeymead Products Company. The accident violently spilled 3.5 million gallons of soybean oil into downtown Mankato. The company recovered some of the oil, but citizens drained 2.5 million gallons of it into nearby rivers.〔 In March, the ice on the Minnesota and Mississippi Rivers thawed, depositing oil between St. Paul and Lake Pepin. The Twin Cities dumped industrial waste into this area of the river and the oil was unnoticed. This changed on March 28, 1963. Residents noticed oil-covered ducks struggling in the Mississippi River. Ice on Lake Pepin had dammed floating oil, creating a dangerous slick that coincided with the annual migration of waterfowl.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Mississippi River oil spill (1962–63)」の詳細全文を読む
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