Also Called: PCB Aroclor 1254; Polychlorinated biphenyl (54% Cl); Chlorinated biphenyls; Chlorodiphenyl (54% Chlorine) [PCBs (54% Chlorine); PCB-1254];AROCLOR 1254;PCB 1254;polychlorobiphenyl;Chlorodiphenyl (42% chlorine);PCB (Aroclor) 1254;Polychlorinated biphenyls (PCBs);POLYCHLORINATED BIPHENYLS;AROCLOR 1254 (PCB);Biphényle polychloré (54% Cl);Chlorinated biphenyls(54% chlorine);PCB-1254 (54% Cl)