Trifluralin, 1000µg/ml in Toluene, 1ml

3,3',4,5-Tetrachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 70362-49-1

Isofenphos-oxon, 10 µg/ml, Acetonitrile, 10ml

GC/MS Calibration Standard