EPA Method 551.1 Performance Check Soln Back Catalog number: 30114 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 682645 D5-beta-Zearalenol, 100 µg/ml, Acetonitrile, 1ml Price on request CFN98681 Genistein, >98%, 20mg Price on request 2125.12-100-IOX10 Arochlor 1221 , 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no. 11104-28-2 Price on request