EPA Method 551.1 Performance Check Soln Back Catalog number: 30114 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 680000 Dicumene, 100mg Price on request S-4499-50-IO Identification Mixture for Sterols Analytes, each 50µg/mL in isooctane; unit: 1x1mL 2900.27 Cholesterol 2795.27 3b-Cholestanol (Dihydrocholesterol) 2734.28 Brassicasterol 3913.28 Champesterol 3767.29 Stigmasterol 2732.29 24-Ethylcholest- Price on request 66167 PCB No. 167, 100µg/ml in Isooctane, 1ml Price on request