EPA Method 645 Analytes Back Catalog number: 40059 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended B204037 Benzoisothiazol-3-one-13C6, 0,5mg Price on request 674895 Enoxacin sesquihydrate, 100mg Price on request 97278 Aliphatic Surrogate Standard Price on request