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

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.

PCB

abbreviation for polychlorinated biphenyls.

PCB

polychlorinated biphenyl.
References in periodicals archive ?
The spokesman said that PCB hoped that the certain media group would stop its hurtful campaign against the PCB and deliver a neutral/unbiased perspective on the T10 League and PCB 's involvement in the tournament.
Nawaz submitted his written statement admitting the charges leveled against him by PCB and appeared for subsequent meetings with PCB on Wednesday to properly explain his case.
3) That Nawaz, over the next six months, participates under the auspices of PCB in programs of Anti-Corruption education, which may include amongst other things, delivering lectures on Anti-Corruption at such places and to such audiences as the PCB Vigilance and Security Department deems fit; and during the period of Ineligibility as described under Article 5(a)(ii), Nawaz's central contract executed with PCB will stand suspended and no new contract will be offered to him.
Some Faroese have 100-fold higher exposures to PCBs than others," says Philippe Grandjean of the Harvard School of Public Health in Boston and the University of Southern Denmark in Odense.
WHERE THE PCB INDUSTRY'S MOVERS AND SHAKERS FIND SOLUTIONS
Wise, Standard Reference Materials (SRMs) for the Calibration and Validation of Analytical Methods for PCBs (as Aroclor Mixtures), J.
The PCB oil taken from the unit (degreaser) is distilled and placed in United Nations-certified drums.
Advisers need to follow the PCB regulations cautiously when designing powers of appointment to avoid the 75-shareholder limit.
This process of bioaccumulation has resulted in the closure of fisheries in the Great Lakes and the issuance of PCB sport fisheries advisories regarding fish consumption in the Great Lakes and the lakes of northeastern Canada.
Although PCB manufacturing was banned in this country in the 1970s, they still are found in fish from contaminated water and other places.
An estimated 620,000 pounds of PCB fluid are spilled annually.