EPA Method 8121 Surrogate Standard

1-Methyl-5-nitro-2-phenylbenzimidazole, neat, Solvent-neat, Unit 10MG, # of units-5, Cas.no. 20648-09-3

Ethalfluralin, 100 µg/ml, Acetonitrile, 5ml

D4-Prochloraz Metabolite BTS44596, 100 µg/ml, Ace