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Some of the distribution coefficient (K d ) values in Table ES-1 indicate that the measured value exceeds the calculated value. This difference in measured versus predicted is attributed to error in the measurements and reference state of the material. Because of the way that the distribution coefficient is calculated, small variance in measurements of mass and analytical instrument results can cause large changes in the observed value. The predicted distribution coefficients were calculated using the ZAM computer model, which is based on the powdered form of CST, and there is typically an adjustment of the output to account for the dilution factor due to the binder present in IE-911. The absence of the need for a dilution factor adjustment for this batch of material is attributed to different initial conditions for the material such as preconditioning steps and drying. The loading measurements (Q) match the predicted values very well. This Q parameter is less sensitive than the distribution coefficient parameter to slight variance in measurements performed during testing.

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