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burn pit
A burn pit is an area devoted to open-air combustion of trash. Modern waste contains significant amounts of plastic and other material which may emit toxic aerial compounds and particulates when burned. In Iraq and Afghanistan the U.S. military, or its contractors such as KBR operated large burn pits for long periods of time burning many tons of assorted waste. Active duty personnel reported respiratory difficulties and headaches in some cases and some veterans have made disability claims based on respiratory system symptoms.〔("Veterans Sound Alarm Over Burn-Pit Exposure" ) article by James Risen in ''The New York Times'' August 6, 2010, accessed August 7, 2010〕
==Materials burned and combustion products==
It has been reported that every type of waste was burned including: plastics, batteries, appliances, medicine, dead animals, even human body parts with jet fuel being used as an accelerant. Clouds of black smoke resulted.〔 According to an Air Force fact sheet, "Burning solid wastes in an open pit generates numerous pollutants. These pollutants include dioxins, particulate matter, polycyclic aromatic hydrocarbons, volatile organic compounds, carbon monoxide, hexachlorobenzene, and ash. Highly toxic dioxins, produced in small amounts in almost all burning processes, can be produced in elevated levels with increased combustion of plastic waste (such as discarded drinking water bottles) and if the combustion is not at high incinerator temperatures. Inefficient combustion of medical or latrine wastes can emit disease-laden aerosols."
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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