Method 8085 Surrogates Back Catalog number: 82459 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1261.14-K-IO 2-Butylnaphthalene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1134-62-9 Price on request 30151 EPA Method 515.3 - Derivatized acids Price on request G786500 Grifolic Acid, 1mg Price on request