EPA Method 531.1 Individual Analytes Back Catalog number: 31241 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11282.22-100-AN Tebufenozide-d9 (3,5-dimethylbenzoyl-d9),100 µg/mL,acetonitrile,1mL, Price on request 81506 Dicamba methyl derivative Price on request D292100 rac-cis-N-Desmethyl Sertraline Hydrochloride, 5mg Price on request