Methamidophos, 100 µg/ml, Acetonitrile, 5ml

Paraoxon-methyl, 10.0 µg/ml, Ethyl acetate, 10ml

1,2,3,4,6,8,9-Heptachloro[13C12]dibenzofuran, 1.2ml x 1ug/ml, nonane

Trichloronate, 10 µg/ml, Ethyl acetate, 10ml