EPA Method 8260 Internal Standard - Revised Back Catalog number: 21013 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1167.12-K-IO 2,2,4,6,6-Pentamethylheptane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 13475-82-6 Price on request 675454 Sulfaquinoxaline sodium salt, 100mg Price on request 92846 EPA Method 525.2 Pesticide Level 1 Price on request