EPA Method 634 Analytes Back Catalog number: 40050 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 95184 Supelco Column # 101336-05 Price on request 3256.15-K-IO Methyl 9-cis-tetradecenoate , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 56219-06-8 Price on request 94476 Piperonyl butoxide Price on request