PCB Congeners

1,2,3,7,8-Pentachloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene

200.7/6010/200.5 Custom Mix

2,3,3',5,5'-Pentachlorobiphenyl, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 39635-32-0