All about PERC (used in dry cleaning)

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Environment

Articles & Research

This long monograph put out by the IARC (International Agency for Research on Cancer) will tell you everything you might want to know about PERC. The IARC has classified PERC in Group 2A, probably carcinogenic to humans. In studies in humans, associations occurred with cancers of the esophagus, cervix, and with non-Hodgkin lymphoma, but confounding variables could not be entirely excluded.

Tetrachloroethylene (PERC is in this family of chemicals) is a volatile organic compound that is widely distributed in the environment due to industrial emissions. Since the 1950s, tetrachloroethylene has been the most commonly used dry-cleaning solvent. It is also used industrially as a de-greaser.