delta-HCH, 100 µg/ml, Methanol, 5ml

Chlorobenzene-Mix 6, 100 µg/ml, Acetone, 5ml

17 alpha(H),21 alpha(H)-Hopane, 50µg/mL in Isooctane, 1ml

9-Nitrophenanthrene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 954-46-1