EPA Method 8141/1657 Surrogate Standard

Sulfapyridine, 250mg

(±)-Venlafaxine-d6 HCl (N,N-dimethyl-d6), 1mg

Benzyl salisylate-d4 (Benzyl 2-hydroxybenzoate-3,4,5,6-d4), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 118-58-1 of unlab.