EPA Method 418.1 - TPH IR Standard Back Catalog number: 98245 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 685594 Di-n-octyl adipate, 500mg Price on request 2594.36-10UG Dinaphtho[8,1,2-abc;8',1',2'-jkl]coronene, neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 190-47-6 Price on request 31079 EPA Method 549.1 Analytes Price on request