EPA Method 551 “Mix B” Back Catalog number: 30395 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673783 Demeton-S, 100 µg/ml, Ethyl acetate, 5ml Price on request 676890 Sulfaclozine sodium, 100mg Price on request 676740 D8-4,4'-DDE, 100 µg/ml, Acetone, 1ml Price on request