2,3',4',5-Tetrachlorobiphenyl (70)

Dimethachlor OA, 100 µg/ml, Acetonitrile, 1ml

PAH Calibration solution CS5, in IO/TO, 1ml

Arochlor 1260 , 10µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 11096-82-5