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

Tris-p-tolyl phosphate-d21,100 µg/mL,isooctane,1mL,

PCB 28, 10.0 µg/ml, Isooctane, 10ml

Cyclamic acid sodium, 100µg/ml in Acetonitrile, 5m