perchloroethylene


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perchloroethylene

[pər¦klȯr·ō′eth·ə‚lēn]
(organic chemistry)
CCl2CCl2 Stable, colorless liquid, boiling at 121°C; nonflammable and nonexplosive, with low toxicity; used as a dry-cleaning and industrial solvent, in pharmaceuticals and medicine, and for metal cleaning. Also known as tetrachloroethylene.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Perchloroethylene may be absorbed through the digestive and respiratory tracts, and through the skin.
It is then placed in the machine that has a filled solvent, taken from big perchloroethylene drums (200 L capacity).
As part of the cleanup, a contractor working for the DEQ on Wednesday put into the ground 2,000 pounds of Daramend, a chemical that prompts naturally found bacteria to consume perchloroethylene contamination, and then filled much of the hole with crushed rock, Hanson said.
C'est quoi le perchloroethylene? Le perchloroethylene, egalement appele tetrachloro- ethylene, est un solvant chlore detachant principalement utilise pour le nettoyage a sec de tissus et pour degraisser les metaux.
Righi et al., "Occupational and environmental exposure to perchloroethylene (PCE) in dry cleaners and their family members," Archives of Environmental Health, vol.
EPA's National Perchloroethylene Air Emission Standards for Dry Cleaning Facilities requires PERC-using businesses to use a PERC vapor leak detector (or "sniffer"), the majority (69%) did not own or use such a device.
Perchloroethylene is the leading chemical used in garment dry cleaning, and trichloroethylene is the most frequently reported groundwater contaminant.
OTC included an effective date of January 1, 2011 for products to comply with the methylene chloride, perchloroethylene, trichloroethylene, and 1% aromatic requirements.
The dry-cleaning industry has come under attack in recent years for its use of perchloroethylene ("perc"), a noxious chemical solvent that does a good job cleaning and not damaging sensitive fabrics but which is also considered a hazardous air contaminant by the U.S.
Import of 100 tons perchloroethylene for settlement in foreign currency.
A2L Consulting's energy and environmental trial consulting and presentation work has touched on a variety of clean air and clean water issues including new source review, coal-fired power plants, spent nuclear fuel, Yucca Mountain, Hurricane Katrina, wetlands, dam construction, mining issues, environmental remediation, MTBE, perchloroethylene, benzene, lead, litter, superfund sites and oil spill litigation.
Contrast this with restoration dry cleaning techniques that typically use cleaning solutions such as perchloroethylene (perc), which is classified as a hazardous air contaminant and must be handled as hazardous waste.