EPA Method 8330 Analyte Back Catalog number: 79079 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 683258 Thiamethoxam Metabolite CGA 353968, 25mg Price on request 680984 Metronidazole, 100 µg/ml, Acetonitrile, 1ml Price on request 70367 3,3’-Dimethylbenzidine Price on request