Aromatic polyimides having axially dissymmetric 2,2' bis(p-aminophenoxy)
biphenyl units.
The U.S Environmental Protection Agency (EPA) and the Wisconsin Department of Natural Resources (DNR) have together announced plans for the removal of polychlorinated
biphenyl (PCB) contaminants in a 39-mile section of the lower Fox River.
RTP says the halogen and non-halogen formulations comply with the German Hazardous Substance Ordinance and meet the requirements of the latest draft of the EU WEEE/ROS Directive on recycling, which calls for the elimination of polybrominated
biphenyl and diphenyl-ether flame retardants.
Niimi (1988), "Trophodynamic Analysis of Polychlorinated
Biphenyl Congeners and Other Chlorinated Hydrocarbons in the Lake Ontario Ecosystem," Environmental Science and Technology, 22(4):388-397.
Capacitors were manufactured at an Indiana facility, using PCBs as a dielectric fluid from fall 1957 until spring 1977, when PCBs were replaced with isopropyl
biphenyl (Jones 1977).
If the "pro-lifers" are so concerned about the health of fetuses, why aren't they out in the streets protesting and demanding that the Bush Administration do something about heavy metal and polychlorinated
biphenyl (PCB) pollution in our lakes, rivers and oceans?
Commercial preparations contain few or no strictly coplanar PCB or polybrominated
biphenyl congeners.
There was no significant association between polychlorinated
biphenyl levels and changes in cycle length or hormone levels.
Polychlorinated
biphenyl concentration in raw and cooked north Atlantic bluefish fillets.