Ioxynil-octanoate, 10 µg/ml, Isooctane, 10ml

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

2,2',3,4,4',5,5'-Heptachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

EPA Method 8325 Surrogate Standard