EPA Method 418.1 - TPH IR Standard Back Catalog number: 98245 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673287 Fenoxycarb, 100 µg/ml, Acetonitrile, 5ml Price on request 1087.18-100-T Benz[a]anthracene-d12, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 1718-53-2 Price on request 50191 WS-SDWA Nutrients Price on request