PCB's
- Polychlorinated Biphenyls; a class of chlorinated aromatic hydrocarbons representing a mixture of specific biphenyl hydrocarbons which are thermally and chemically very stable; some are proven carcinogens.
Polychlorinated Biphenyls; a class of chlorinated aromatic hydrocarbons representing a mixture of specific biphenyl hydrocarbons which are thermally and chemically very stable; some are proven carcinogens.
Printed circuit board.