EPA Method 552,552.1,552.2 Internal Std

Benzoic acid-(ring-d5), neat, Solvent-neat, Unit 1g, # of units-1, Cas.no.

Benzo[a]naphtha[8,1,2-cde]naphthacene (in vial for quick-preparation of solution), neat, Solvent-neat, Unit ca. 100ug, # of units-1, Cas.no. 192-70-1

Carcinogenic Aryl Amine, 10µg/mL in Ethyl AC, 10ml