EPA Method 602 - Surrogate Standard Back Catalog number: 19097 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1672.8-K-IO 1,2,7,8-Tetrachlorooctane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 865306-19-0 Price on request BDF-28 2,8-Dibromodibenzofuran, 1.2ml x 50ug/ml, toluene Price on request 678378 4,4'-DDD, 100 µg/ml, Acetonitrile, 5ml Price on request