Polychlorinated biphenyl concentrations in the blood plasma of a selected sample of non-occupationally exposed southern California working adults.

Blood samples from 738 employees of the Southern California Edison Company were analyzed for PCBs prior to their starting work, as part of a pre-employment medical examination. Blood PCB concentrations of the pre-employment sample had a median of 4 ppb and a mean of 5 +/- 4 ppb. These data are comparable to previously published values for blood PCB… CONTINUE READING