EPA 8240B Calibration Standard Back Catalog number: 98430 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79110 4-Chlorophenyl phenyl ether Price on request 9445.3-100 Dalapon, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 75-99-0 Price on request 71005 Chlorendic acid Price on request