EPA Method 8260 Internal Standard - Revised Back Catalog number: 21013 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678581 Carboxin, 100 µg/ml, Acetonitrile, 1ml Price on request C16173600 Phthalic acid, bis-isononyl ester, cert., 250mg Price on request 676973 D5-Metamitron, 5mg Price on request