EPA Method 8260B Purgeable Internal Standard Back Catalog number: 26013 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 59253 Metals Mix Price on request 679598 Promethazine hydrochloride, 250mg Price on request MBP-52 2,2',5,5'-Tetrachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane Price on request