EPA Method 548 Calibration Solution Back Catalog number: 30050 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1084.25-K-IO n-Nonadecylbenzene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 29136-19-4 Price on request 43007 Benzo(a)anthracene-d12 Price on request 59488 ICP-MS Multi-Element Custom Solution Price on request