EPA Method 645 Analytes Back Catalog number: 40059 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 66204 PCB No. 204, 100µg/ml in Isooctane, 1ml Price on request 11932-10-50-AN N-?Methylperfluorooctanesulfo?namide,50 µg/mL,acetonitrile,1mL, Price on request AC-AQ03-030 Aqueous ethanol control EtOH AQ (0.3g/L), 10 x 3.0ml Price on request