EPA Method 8270A - Analytes Mix #8

Benzaldehyde 2,4-dinitrophenylhydrazone, 1000µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no.

Pyridalyl, 10.0 µg/ml, Ethyl acetate, 10ml

Coprostan-3-ol