2,2’,3,3’,4,4’,5,5’-Octachlorobiphenyl (194)

Pesticide Mix (Acetochlor, Metazachlor, Alachlor, Terbuthylazine, Terbuthylazine-desethyl), 10µg/ml in Hex/1% AC, 1ml

Ethyl methane sulfonate

Tetramethrin, 100 µg/ml, Acetonitrile, 1ml