EPA Method 515.1 Internal Standard

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-

MGK 264 (technical mixture), 100 µg/ml, Acetonitrile, 5ml

17 alpha(H),21ß(H)-(22RS)-Bishomohopane, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 54352-50-0