Acenaphthene, 100 µg/ml, Acetonitrile, 1ml

Hexachlorobenzene, 200µg/ml in MeOH, 1ml

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

Coumaphos, 100mg