Hexachlorocyclopentadiene

Atrazine, 10.0 µg/ml, Ethyl acetate, 10ml

Pyraflufen-ethyl, 100 µg/ml, Acetonitrile, 5ml

2,2',3,4,4',5,6'-Heptachloro-3'-methoxybiphenyl, 1.2ml x 50ug/ml, nonane