EPA Method 548 Analyte

Triazophos, 100 µg/ml, Cyclohexane, 5ml

1-Hydroxypyrene-d9, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 132603-37-3

Trichlorofluoromethane, 20mg/mL in MeOH, 1ml