EPA Method 8140/8141 Analytes Back Catalog number: 81400 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 685719 4-Bromophenylurea, 100µg/ml in Acetonitrile, 1ml Price on request 1276.12-1G alpha-D(+)-Melibiose hydrate, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 585-99-9 Price on request 676603 Ethanethiol, 1ml Price on request