Chlorpyrifos, 100 µg/ml, Acetonitrile, 5ml

a-1,2,3,4,5,6-Hexachlorocyclohexane, 1.2mL x 100ug/mL, nonane

2-Nitroaminoethanol-1,1,2,2-d4, 1000µg/mL, Solvent-methanol, Unit 1.1mL, # of units-1, Cas.no.

2,3,7,8-Tetrachlorodibenzo-p-dioxin, 1mg