EPA Method 604.1 Analytes Back Catalog number: 40004 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 59549 ICP-MS Mix (Parent) Price on request PTBX 2,3,5,6-Tetrabromo-p-xylene, 1.2ml x 50ug/ml , toluene Price on request 94785 525.2 Calibration Standard Price on request