EPA Method 602/8020 Back Catalog number: 19197 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended PTBX 2,3,5,6-Tetrabromo-p-xylene, 1.2ml x 50ug/ml , toluene Price on request ISO/DIS9377-4-2 Stearyl Stearate Test Sol., 2000 µg/mL in CY, 10ml Price on request DF-2467-S 2,4,6,7-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request