EPA Method 515.1 Internal Standard Back Catalog number: 31023 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 95005 Special Acetates Mixture Price on request 70333 Bromochloroacetonitrile Price on request 3205.16-K-IO 9-trans-Hexadecenoic acid, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 10030-73-6 Price on request