Trichlorfon, 100 µg/ml, Toluene, 1ml

EPA Method 528 Internal Standard

Pyracarbolid, 100 µg/ml, Acetonitrile, 1ml

1,4-Dimethyldibenzothiophene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 21339-65-1