EPA Method 8310 Surrogates, 50µg/ml in MeChl, 1ml Back Catalog number: 91206 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 683462 m-Phenetidine, 1000mg Price on request 2342.10-K-HX Isobutylbenzene, 1000µg/mL, Solvent-hexane, Unit 1mL, # of units-1, Cas.no. 538-93-2 Price on request 8345.28-10MG Ergosterol, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 57-87-4 Price on request