1,2 Dichloroethane, 1000µg/ml in MeOH, 1ml

PCB Congener Mix, 100µg/ml in Isooctane, 1ml

2,2',4,4',5,5'-Hexachloro-3-biphenylol, 1.2ml x 50ug/ml, nonane

Prothiophos, 100µg/mL in Acetonitrile, 1ml