EPA 505 Pesticide Standard Back Catalog number: 93935 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 680595 3-Hydroxybutyric acid, 100 µg/ml, Acetonitrile, Price on request EPA-537PDS-R1 EPA Method 537 Analyte Primary Dilution Standard, 2000ng/ml in MeOH, 1,2ml Price on request C17773400 2,3,4-Trichlorophenol, 25mg Price on request