EPA Method 632 Spike Standard

Desphenyl chloridazon-15N2, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no.

N-Nitrosodimethylamine-d6, 1000µg/ml in dichloromethane, 1ml

Propazine, 100µg/mL in Acetonitrile, 1ml