EPA Method 531.1 - Analytes Mixture Back Catalog number: 33042 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 685000 2,2'-Ethylidenebis(4,6-di-tert-butylphenol), 250mg Price on request 73252 Azimsulfuron Price on request C14000000 Genite, certified, 0.25g Price on request