EPA Method 8140/8141 Analytes Back Catalog number: 81400 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 94485 Y T Standard Price on request DF-1279-S 1,2,7,9-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request 682399 Sulfaphenazole, 100 µg/ml, Methanol, 5ml Price on request