EPA Method 624Mix #1 - Purgeables Back Catalog number: 40021 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 9418.17-K-ME Venlafaxine-d6 hydrochloride (N,N-dimethyl-d6), 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1062606-12-5 Price on request 79151 Benzidine Price on request 1733.18-K-T 1,2-Benz[a]anthraquinone Price on request