42 CSG/CC
The 9,000-acre Loring Air Force Base, which operated as an active military installation since 1952, was closed in September 1994. Hazardous wastes generated on the base include waste oils, fuels cleaned from aircraft and vehicles, spent solvents (many of them chlorinated organic chemicals), polychlorinated biphenyls (PCBs), and pesticides. Historically, wastes have been burned or buried in landfills. There are three on-site landfills which are old gravel pits. Landfills #2 and #3 were used for disposal of hazardous wastes from 1956 to the early 1990s. In the Fire Training Area, hazardous materials were burned until 1974. The 600-acre Flightline and Nose Dock Areas, with their industrial shops and maintenance hangars, were primary generators of hazardous waste on the base. Most wastes were disposed of off site; however, some wastes probably were disposed of on the ground, on concrete, or in the storm and sewer drains. The site is located in a rural area. The population on the Air Force base within one mile of the site is approximately 1,500. A 3,500-foot channelized portion of a tributary to the East Branch of Greenlaw Brook receives storm water runoff from the Flightline Area and the Nose Dock Area, where fuels and solvents were handled. An estimated 1,200 people obtain drinking water from wells located within 3 miles of hazardous substances on the base; the nearest off base well is less than 1500 feet from Landfill #2. Surface water both on and off base is used for fishing and other recreational activities.
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