PCB


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biphenyl

 [bi-fen´il]
polybrominated biphenyl (PBB) any of various brominated derivatives of biphenyl; uses and toxic hazards are similar to those of polychlorinated biphenyls. They typically are deposited in body fat stores and are rarely mobilized except through lactation.
polychlorinated biphenyl (PCB) any of various chlorinated derivatives of biphenyl, toxic and carcinogenic nonbiodegradable compounds used as heat-transfer agents and electrical insulators; they are readily absorbed from the gastrointestinal tract, and those with a lower percentage of chlorine are associated with a higher toxicity but are more readily excreted.

PCB

Abbreviation for polychlorinated biphenyl.

PCB

(pē′sē-bē′)
n.
Any of a family of industrial compounds produced by chlorination of biphenyl, used as insulating materials in electrical equipment, including transformers and capacitors, and in various other industrial applications. PCBs were banned in the United States in 1979 and now are noted primarily as environmental pollutants that accumulate in animal tissue with resultant pathogenic and teratogenic effects.
References in periodicals archive ?
"The BoG was presented with the proposed territorial regions of each Cricket Association as well as PCB domestic season 2019-20, which were approved unanimously.
PCB Managing Director Wasim Khan will now act as chair of the PCB Cricket Committee, which at the end of the ICC Men's Cricket World Cup 2019, will carry out a robust review of the Pakistan cricket team's performance over the past three years before submitting its recommendations to PCB chairman and BoG for their consideration.
PCB Managing Director Wasim Khan will now act as Chair of the PCB Cricket Committee, which, at the end of the ICC Men's Cricket World Cup 2019, will carry-out a robust review of the Pakistan cricket team's performance over the past three years before submitting its recommendations to the PCB Chairman and the BoG for their consideration.
When working with AMEs it is important for designers to understand that while a PCB layout is designed only once, it can sometimes spawn thousands of PCBs from the bare board supplier.
PCBs are only slowly decomposed in the environment.
Diagnosis of PCB can be made on the basis of history and neurologic examination.
PCDD/F, PCB, PBDE, HBCD and chlorinated pesticides in a Swedish market basket from 2005 Levels and dietary intake estimation.
Caulk is only one of several potential sources of indoor air PCB contamination (Thomas et al.
The PCB species and concentrations in wastewater depend on the raw materials and the process of dyestuff or pigments production.
China-pcb-assemblies.com is a promising company that specializes in PCB and PCBA manufacturing in China.
Lisa Beal, director, environment and construction policy, INGAA, says, "It is impossible for me to say definitively how much PCB remains in the system, but we can say that since the ban no new PCBs have been introduced into the system and when found, they are removed.