EPA Method 8010B - Surrogate Standard Back Catalog number: 80109 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9190.7-10MG Theophylline-d6 (dimethyl-d6), neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 11790-39-8 Price on request 2544.15-100-ME Dibenzosuberone, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1210-35-1 Price on request 9208.13-100-ME (S)-(+)-Ketamine hydrochloride, 100µg base/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 33795-24-3 Price on request