EPA Method 8260 C-19 Standard Back Catalog number: 93256 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1161.11-K-IO 2,2,6,6-Tetramethylheptane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 40117-45-1 Price on request 73479 3-Hydroxybutyric acid Price on request 0437.14-K-IO 2,6,10-Trimethylundecane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 6864-53-5 Price on request