EPA Method 551.1 Surrogate Standard Back Catalog number: 31102 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 675837 3-Chloro-1,2-propanediol, 250mg Price on request 672880 2-Phenylphenol, 250mg Price on request DPE-209 Decachlorodiphenyl ether, 1.2ml x 50ug/ml, toluene Price on request