Fig. 2. Percent metal removed from Coeur d'Alene River and Camp Navajo soils following 10 sequential soil washes with 10 mM rhamnolipid, 5.3% carboxymethyl-ß-cyclodextrin (CMCD), 50 mM Ca(NO₃)₂, and 10 mM KNO₃. The numbers in parentheses represent total metal in mg kg^-1.

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