EPA Method 200.8 Calibration Standard 2

gamma-HCH D6, 100µg/mL in Cyclohexane, 1ml

Trifluralin, 100 µg/ml, Acetonitrile, 5ml

1-Bromo-2,4,5-trichlorobenzene, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 29682-44-8