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

Trinexapac-ethyl, 100µg/ml in MeOH, 1ml

Endrin, 10.0 µg/ml, Cyclohexane, 10ml

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