EPA Method 531.1 - Analytes Mixture Back Catalog number: 33042R Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678089 EPN, 100 µg/ml, Acetonitrile, 1ml Price on request 10261.19-K-ME Tetrabenazine, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 58-46-8 Price on request MFOET 2-Perfluorooctyl-[1,1-2H2]-[1,2-13C2]-ethanol (8:2), 50µg/ml in MeOH, 1,2ml Price on request