EPA Method 418.1 - TPH IR Standard Back Catalog number: 98245 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3321.6-100 delta-HCH (BHC), 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 319-86-8 Price on request P227237 2,2,3,3,3-Pentafluoropropanoic Acid-13C, 10mg Price on request 79421 Diazinon Price on request