EPA Method 500 Internal Standard #6 Back Catalog number: 30169 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678144 1,3,5-Trichlorobenzene, 250mg Price on request 1446.14-1G 4-tert-Octylphenol, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 140-66-9 Price on request 2784.7-10MG 2,4-Diaminoanisole, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 615-05-4 Price on request