Amidithion, 10.0 µg/ml, Ethyl acetate, 5ml

2-Propanol

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

Atrazine-desethyl-2-hydroxy, 100µg/ml in AL, 5ml