Heptachlor-endo-epoxide (trans-, isomer A), 100 ng/µl, 1ml

D4-Methanol, 100 µg/ml, Acetonitrile, 1ml

2,2,5,7-Tetramethyltetraline, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 23342-25-8

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