EPA 1620 Standard 3 Back Catalog number: 52141 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8517.18-10-AN alpha-Zearalanol, 10 µg/mL, Solvent-, Unit 1mL, # of units-1, Cas.no. 26538-44-3 Price on request HBDE-4006S-CN 2'-OH-BDE-068, 50µg/ml in Acetonitrile, 1ml Price on request 11687.12-100-IO 2,2',3,6'-Tetrachlorobiphenyl,100 µg/mL,isooctane,1mL, Price on request