4,4'-Diaminodiphenylmethane, 250mg

PCB Congeners & Hexachlorobenzene Mix #3

Heptachlor endo-epoxide, 10.0 µg/ml, Cyclohexane,

Omethoate-d6 (O,O-dimethyl-d6),100 µg/mL,acetonitrile,1mL,