Malathion, 100 µg/ml, Acetonitrile, 5ml

Parathion-ethyl, 100 µg/ml, Cyclohexane, 1ml

2,3,3',4,5,5'-Hexachloro-4'-methoxy[13C12]biphenyl, 1.2ml x 50ug/ml, toluene

1-n-Hexyl-2-phenylbenzimidazole, neat, Solvent-neat, Unit 10MG, # of units-32, Cas.no. 476298-71-2