Health risk of dry cleaning solvent is unclear, study says

03/9/2010 | Slate

Traditional dry cleaning uses a liquid solvent called perchloroethylene, or perc, that is considered a toxic air pollutant by the Environmental Protection Agency, according to this column. However, a study of dry cleaners in New York City from 2001 to 2003 suggests that up-to-date equipment, sound work practices and good ventilation could make a difference in lowering perc emissions to background levels.

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