EPA Method 548 Analyte Back Catalog number: 30147 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 676371 Heptadecafluorononanoic acid, 100mg Price on request C176590 Carbofuran, 10g Price on request 676259 p-Toluidine-2-sulfonic acid, 250mg Price on request