gamma-HCH, 100 µg/ml, Acetonitrile, 5ml

2,2',4,4',5,5'-Hexachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 35065-27-1

D4-1,2-Dichlorobenzene, 100mg

EPA Method 525.2 - IS/SS Mix