EPA Method 418.1 - TPH IR Standard Back Catalog number: 98245 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0358.6-10MG 2,4-Dimethylthiophene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 638-00-6 Price on request MHPCHLOR (13C10)Heptachlor, 1.2mL x 100ug/mL, nonane Price on request 38156 CWA Carbamates Price on request