EPA Method 552.1 - Surrogate Standard Back Catalog number: 31056 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 38186 CWA Dioxin Price on request 94101 Semi-Volatile Standard Price on request 9665.17-10MG 2,5,8-trimethyl-1-butyltetraline, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. Price on request