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Trichloroethylene (TCE) is a halocarbon with the formula C 2 HCl 3, commonly used as an industrial metal degreasing solvent. It is a clear, colourless, non-flammable, volatile liquid with a chloroform -like pleasant mild smell [ 3 ] and sweet taste. [ 9 ]
Between 1975 and 1985, the water supply of Marine Corps Base Camp Lejeune was contaminated with trichloroethylene and other volatile organic compounds. [10]In 1986, and later again in 2009, 2 plumes containing trichloroethylene was found on Long Island, New York due to Northrop Grumman's Bethpage factories that worked in conjunction with the United States Navy during the 1930s and 1940s.
What is TCE? TCE is a solvent used in degreasing products, stain removers, paint strippers, cleaning wipes, carpet cleaners and spray adhesives, and it evaporates quickly to become an air pollutant.
There is a high danger of fire when using petroleum and mineral solvents. The emissions from this type of operation, although less than those of other operations, are still considerable, and solvent degreasing has an environmental impact. Solvents are difficult to dispose of, and there are many government regulations on them.
The Environmental Protection Agency estimates that about 68,000 workers, including 1,200 pregnant workers, may currently be exposed to TCE annually. It estimates that about 291,000 workers are ...
The notorious Zone A in the southern portion of the landfill had held 35,000 drums, each containing up to 55 gallons of solvents, paint sludges, cleaners and other hazardous industrial waste.
Trichloroethylene is a major byproduct, which is separated by distillation. Worldwide production was about 1 million metric tons (980,000 long tons; 1,100,000 short tons) in 1985. [11] Although in very small amounts, tetrachloroethylene occurs naturally in volcanoes along with trichloroethylene. [12]
1,1,1-Trichloroethane is an excellent solvent for many organic compounds and also one of the least toxic of the chlorinated hydrocarbons.It is generally considered non-polar, but owing to the good polarizability of the chlorine atoms, it is a superior solvent for organic compounds that do not dissolve well in hydrocarbons such as hexane.