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PCB 40 BZ NO 40 PCB NO 40 C20004000 PCB No. 40 PCB No. 40 in Cyclohexane 2,3,2',3'-Tetrachlorobiphenyl 2,2',3,3'-TETRACHLOROBIPHENYL PCB No. 40 10 μg/mL in Isooctane 2,2’,3,3’-tetrachloro-1’-biphenyl 2,2',3,3'-Tetrachloro-1,1'-biphenyl 1,1'-Biphenyl, 2,2',3,3'-tetrachloro- 1,2-dichloro-3-(2,3-dichlorophenyl)benzene L20004000IO PCB No. 40 10μg/mLin Isooctane