EPA Method 601 Internal Standard Back Catalog number: 19094 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended H-175N 6-Methylchrysene, 10mg Price on request 79467 Pentadecafluorooctanoic acid Price on request 0393.12-K-IO n-Hexylbenzene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1077-16-3 Price on request