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

Metronidazole, 100 µg/ml, Acetonitrile, 1ml

2,5-Dibromobiphenyl, 1.2ml x 50ug/ml, nonane

Sulfamethoxypyridazine, 100 µg/ml, Methanol, 1ml