EPA Method 531.1 - Analytes Back Catalog number: 30042 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11268.22-100-AN Methoxyfenozide-d9 (3,5-dimethylbenzoyl-d9),100 µg/mL,acetonitrile,1mL, Price on request 79392 2,4,6-Trichlorophenol-d2 Price on request 676746 Sodium perchlorate monohydrate, 250mg Price on request