EPA Method 551 Analytes Back Catalog number: 32095 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678352 Tefluthrin, 100 µg/ml, Ethyl acetate, 1ml Price on request 11193.2-25MG 1,1,2-Trichloroethane-d3,neat,neat,25mg Price on request M226234 Metazachlor Ethane Sulfonic Acid-d6 Sodium Salt, 1mg Price on request