Alachlor OA, 1000µg/ml in Acetonitrile, 1ml

PCB No. 126, 10µg/ml in Isooctane, 10ml

Benzothiophene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 95-15-8

Pentachlorobenzene, 100 µg/ml, Acetonitrile, 1ml