delta-HCH, 100 µg/ml, Acetonitrile, 5ml

2,3,4,5-Tetrachloro-4'-methoxy[13C12]biphenyl, 1.2ml x 50ug/ml, toluene

Trichloroacetic acid (TCA), 100μg/ml in Water, 5ml

Captan, 100 µg/ml, Acetonitrile, 5ml