DP 5, Pyroclor5, 1,2,3,4,5-PENTACHLOROBIBENZENE, pentachlorinated biphenyls,mixture of, Pentachlorodiphenyl, 1,1'-Biphenyl,pentachloro, Biphenyl,pentachloro-(6CI,7CI,8CI), Pentachlorobiphenyl, Pyralene 1476, Diphenyl pentachloride, Kanekrol 500, Apirolio 1476C