EPA Method 8260B Surrogate Standard Back Catalog number: 23002 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0344.18-K-IO 4-n-Hexylbiphenyl, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 59662-31-6 Price on request 677747 4-Ethylguaiacol, 1ml Price on request 71218 2-Ethylnaphthalene Price on request