EPA Method 531.1 - Analytes Back Catalog number: 30042R Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended E888000 17ß-Estradiol, 50mg Price on request M13-B-278-CDF 1,3-Dibromo-2,7,8-trichloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene Price on request A771000 Aripiprazole, 50mg Price on request