Cycluron, 100 µg/ml, Ethyl acetate, 5ml

Benzo[a]pyrene, 10µg/mL, Solvent-acetonotrile, Unit 1mL, # of units-1, Cas.no. 50-32-8

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

D5-Propachlor ESA sodium salt, 1mg