EPA Method 8121 Surrogate Standard

Pure ß-Glucuronidase from overexpressing recombinant E. coli ,>50,000 u/ml,50% aqueous glycerol soln,5mL

3,3',4,4',5,5'-Hexabromodiphenyl ether, 1.2ml x 50ug/ml, nonane

Dapsone