EPA Method 526 Surrogate Standard

Benzo[a]pentacene (in vial for quick-preparation of solution), neat, Solvent-neat, Unit ca. 100µg, # of units-1, Cas.no. 239-98-5

Gentamicin Deut (C) Pentaacetate Salt (d0), 1mg

D5-Propachlor ESA sodium salt, 1mg