Chlortoluron, 100µg/ml in Acetonitrile, 5ml

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

Hexachlorobenzene

2,2',3,3',5,5',6,6'-Octachloro-4,4'-dimethoxybiphenyl, 1.2ml x 50ug/ml, nonane