Polychlorinated biphenyls definition

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
Polychlorinated biphenyls means any chlorinated biphenyl compound or mixture of chlorinated biphenyl compounds.
Polychlorinated biphenyls or "PCB mixtures" means those aromatic compounds containing two benzene nuclei with two or more substituted chlorine atoms. For the pur- poses of this chapter, PCB includes those congeners which are identified using the appropriate analytical methods as specified in WAC 173-340-830.

Examples of Polychlorinated biphenyls in a sentence

  • Chakraborty P et al (2016) Polychlorinated biphenyls and organochlorine pesticides in River Brahmaputra from the outer Himalayan Range and River Hooghly emptying into the Bay of Bengal: Occurrence, sources and ecotoxicological risk assessment.

  • Gallardo, Polychlorinated biphenyls and their biodegradation, Process Biochem., 2005, 40, 1999–2013.

  • Polychlorinated biphenyls, commonly known as PCBs, have adverse effects on human health and the environment.

More Definitions of Polychlorinated biphenyls

Polychlorinated biphenyls means any polychlorinated biphenyl congeners and homologs.
Polychlorinated biphenyls means any polychlorinated
Polychlorinated biphenyls means any polychlori- nated biphenyl congeners and homologs.
Polychlorinated biphenyls or “PCBs” means haloge- nated organic compounds defined in accordance with 40 CFR 761.3.
Polychlorinated biphenyls or "PCBs" means chemical forms
Polychlorinated biphenyls means a group of organic compounds (206 possible) which are constructed of two phenyl rings and more than one chlorine atom.
Polychlorinated biphenyls means discarded matrria1s that contain polychlorinated biphenyls or have been contami­ nated with polychlorinated biphenyls, that are without any safe commercial, industrial, agricultural or economic usage; "polychlorinated biphenyls �quipment" means any equipment