Hexachlorobenzene (HCB), 100µg/ml in CY, 5ml

17ß(H),21 alpha(H)-Hopane, 100µg/mLin isooctane, 1ml

Toluene-d8, 5000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 2037-26-5

Climbazole, 10.0 µg/ml, Ethyl acetate, 10ml