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Publishers Clearing House. Publishers Clearing House (PCH) is a direct marketing company that markets merchandise and magazine subscriptions with sweepstakes, and prize-based games. Publishers Clearing House was founded in 1953 by Harold Mertz to replace door-to-door magazine subscription sales by a single vendor offering multiple subscriptions by mail.
Tetrachloroethylene is also known as perchloroethylene-hence the common acronyms PCE or PERC. This chemical is a chlorinated solvent. PCE is used commercially as industrial degreasers, spot removers, and in dry cleaning.PCE is not a natural chemical, it is manmade.CE can also be inhaled. The chemical is a Volatile Organic Compound (VOC) which means it readily vaporizes. Chronic PCE exposure can cause damage to the liver, the kidneys and the central nervous system. It may also lead to increased risk of cancer.