EPA Method 551Mix “A” Back Catalog number: 30094 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79114 2,4’-DDE, 1000µg/ml in Hexane, 1ml Price on request 15900-2935-100AN5 Isoproturon-desmethyl, 100µg/ml in ACN, 5ml Price on request R139500 Rebaudioside A, 10g Price on request