2,3,3’,4,4’,5’-Hexachlorobiphenyl (157)

Propamocarb, 10.0 µg/ml, Acetonitrile, 10ml

2,2',3,4,4',5,5'-Heptachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

2,2',3,4,4',6-Hexachlorobiphenyl ,100 µg/mL,isooctane,1mL,