PCB No. 4, certified, 25mg

Metolachlor OA, 100 µg/ml, Acetonitrile, 1ml

1-Methoxychrysene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 63020-57-5

Octachlorostyrene, 1000µg/ml in MeChl, 1ml