Heptachlor, 1.2mL x 100ug/mL, nonane

2,3,7,8-Tetrabromo[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

1-Naphthylacetamide, 100 µg/ml, Acetonitrile, 5m

Fenobucarb, 100 µg/ml, Acetonitrile, 1ml