EPA Method 8240A - Purgeable Surr Std Back Catalog number: 20002 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3879.8-K-ME 2-Ethylhexanoic acid, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 149-57-5 Price on request 95093 8330Mix A Price on request 2680.6-K-IO 2,3-Dimethylthiophene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 632-16-6 Price on request