EPA Method 551.1 Surrogate Standard Back Catalog number: 30102 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 682468 2,6-Diaminotoluene, 1000mg Price on request 675455 Sulfabenzamide, 250mg Price on request 682915 Fluazuron, 100 µg/ml, Acetonitrile, 5ml Price on request