EPA Method 8040 - Surrogate Standard Back Catalog number: 80403 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 672950 Clioquinol, 100mg Price on request MBP-31 2,4',5-Trichloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane Price on request 672849 Fenobucarb, 250mg Price on request