2006-10-23T12:00:00.003baf82bf-2398-4ceb-a16e-a926eb0a0df42019-01-14T12:06:01.30false1,1'-biphenyl,2,3,3',4,4',5,5'-heptachloro-2,3,3',4,4',5,5'-heptachloro-1,1'-biphenyl2,3,4,5,3',4',5'-heptachlorobiphenyl3,4,5,2',3',4',5'-heptachlorobiphenylCB189PCB1892,3,3',4,4',5,5'-heptachlorobiphenyl (CB189)