EPA Method 552.1 - Surrogate Standard Back Catalog number: 31056 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended MBP-3 4-Chloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane Price on request 95964 o-Terphenyl Price on request 1899.17-100MG Norcodeine hydrochloride, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 14648-14-7 Price on request