EPA Method 8090 - Analytes Mix #2 Back Catalog number: 80902 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 63056 2,3,3',4'-Tetrachlorobiphenyl (56) Price on request 1754.4-1G 1,4-Dithiane, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 505-29-3 Price on request P479950 Piperacillin, 1g Price on request