624B Internal / Surrogate Standard

16alpha-Hydroxyprednisolone,100 µg/mL,acetonitrile,1mL,

7-Bromo-2,3-dichlorodibenzo-p-dioxin (96%), 1.2ml x 48ug/ml, toluene

4-n-Nonylphenol-2,3,5,6-d4-OD, 1000µg/mL, Solvent-isopropanol, Unit 5mL, # of units-1, Cas.no. 358730-95-7