EPA Method 604.1 Analytes Back Catalog number: 40004 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1296.17-200-T 8-Methylbenzo[b]naphtho[2,3-d]thiophene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 24964-07-6 Price on request 2755.11-10MG 6-Methyl-2-naphthol, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 17579-79-2 Price on request D3452 3-(3,5-Di-tert-butyl-4-hydroxyphenyl)propionic Aci Price on request