Pre-chlorination definition
Pre-chlorination means the addition of chlorine to the water at a water treatment plant, prior to other treatment processes, for disinfection, oxidation, and control of tastes, odors and microbio- logical growth.
Polychlorinated biphenyls means aromatic compounds formed in such a manner that the hydrogen atoms on the biphenyl molecule (two benzene rings bonded together by a single carbon-carbon bond) may be replaced by up to ten chlorine atoms; and
PCBs means polychlorinated biphenyls.
Asbestos means the asbestiform varieties of serpentinite (chrysotile), riebeckite (crocidolite), cummingtonite-grunerite, anthophyllite, and actinolite-tremolite.
Radioactive substance means a substance that emits ionizing
Fluid means any material or substance which flows or moves whether in a semisolid, liquid, sludge, gas, or any other form or state;