EPA Method 418.1 - TPH IR Standard Back Catalog number: 98245 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 66202 2,2',3,3',5,5',6,6'-Octachlorobiphenyl (202) Price on request 1854.10-K-IO n-Butylbenzene-d14, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 65087-59-4 Price on request 673815 Cyhexatin, 10.0 µg/ml, Cyclohexane, 10ml Price on request