• Metals availability
> 1 indicates several important metals fixed in sulfide form and unavailable
< 1 not a clear indicator
Problems with measurement and use noted by Windom and Saunders, HSRC/S&SW
Mercury one of the most important and most complicated species
• Hydrophobic organic availability
Richard Luthy, Stanford
David Kosson, Rutgers
Walt Weber, Univ of Michigan
Joe Pignatello, Connecticut Agricultural Experiment Station
Mason Tomson and Amy Kan, Rice University
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