EPA Method 531.1 - Analytes Mixture Back Catalog number: 33042 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 684463 Pydiflumetofen, 100 µg/ml, Acetonitrile, 1ml Price on request 52081 Instrument Standard 5 Price on request 71878 2-Nonanone Price on request