EPA Method 509 Internal Standard Back Catalog number: 30097 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1445.14-K-IO 4-n-Octylphenol, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1806-26-4 Price on request 70320 2,4,5-Trichlorotoluene Price on request 95805 alpha-D-Glucose Price on request