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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.
Polychlorinated biphenyls (PCBs) are a group of manufactured organic chemicals that contain 209 individual chlorinated chemicals (known as congeners). Concentrated PCBs are either oily liquids or solids and are colorless to light yellow in color. They have no known smell or taste.