2,4'-DDD, 100 µg/ml, Ethyl acetate, 5ml

D6-Metazachlor, 100 µg/ml, Acetonitrile, 1ml

(-)-delta-9-THC-13C4, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no.

2,3-Dibromo-7,8-dichloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene