EPA Method 601 - Purgeables Mix #4 Back Catalog number: 40003 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2903.20-10MG 17ß-Ethynylestradiol, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 4717-38-8 Price on request 55148 Inorganic Drinking Water Kit Price on request 676784 Diquat dibromide monohydrate, 100 µg/ml, Water, Price on request