EPA Method 418.1 - TPH IR Standard Back Catalog number: 98245 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 675853 Phenylacetaldehyde, 250mg Price on request 2512.8-K-ME 4'-Chloroacetanilide, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 539-03-7 Price on request 51064 ASTM D-4815 Calibration Mix #1 Price on request