Chlorthiophos, 100 µg/ml, Ethyl acetate, 5ml

Fenamiphos, 100 µg/ml, Toluene, 1ml

2,4',5-Tribromobiphenyl, 1.2ml x 50ug/ml, nonane

Carbamazepine, 100µg/ml in Acetonitrile, 1ml