EPA Method 8315 Calibration Mix #1 Back Catalog number: 83509 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3273.19-K-IO Methyl 9-cis-octadecenoate , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 112-62-9 Price on request E600003 L-(+)-Ergothioneine-d9, 1mg Price on request 1074.23-K-IO n-Heptadecylcyclohexane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 19781-73-8 Price on request