EPA Method 625 Base/Neutrals Mix #1

N-Nitropiperazine, 1000µg/mL, Solvent-methanol, Unit 1.1mL, # of units-1, Cas.no.

Pentachloronitrobenzene-13C6,100 µg/mL,n-nonane,1mL,

Chloridazon, 10.0 µg/ml, Acetonitrile, 10ml