EPA Method 8260 Internal Standard - Revised Back Catalog number: 21013 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 33161 Methylamine Price on request DD-1379-S 1,3,7,9-Tetrachlorodibenzo-p-dioxin, 1.2ml x 50ug/ml, nonane Price on request A168255 N-Acetylaminomethylphosphoric Acid (>90%), 250mg Price on request