Dibromoaldrin, 1.2ml x 50ug/ml, toluene

17 alpha(H),21ß(H)-Hopane, 100µg/mL in Isooctane, 1ml

MCPA-D6, 100 µg/mL in Acetone, 1ml

1-Aminonaphthalene-d7, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 78832-53-8