2,4-DB, 10 µg/ml, Acetonitrile, 10ml

beta-HCH, 100 µg/ml, Ethyl acetate, 5ml

Fenthion-oxon-sulfone, 10µg/mL in Acetonitrile, 1ml

2,3,3',4,4',5-Hexachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 38380-08-4