EPA Method 8240A C Back Catalog number: 22002 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2293.9-1G Trimellitic acid, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 528-44-9 Price on request 12089.7-K-IO 2-Chlorobenzo trichloride,1000 µg/mL,isooctane,1mL, Price on request 59294 Acid Mix Price on request