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some data indicating the geochemical evolution that water has undergone since it was mixed with <br />various other fault waters and put into the sump. <br />Short of that, it would at least help to have a history of which water went into the sump when. It <br />is clear from the Mayo report that the various fault waters ranged pretty widely in composition. <br />Knowing how much of which was put into the sump would help. Likewise, an analysis of water <br />Bumped in the intermediate stage at the NE Tailgate sump would be very helpful since it is likely <br />that water chemistry began to change at that stage. <br />Then it would be important to know any factors that would conceivably alter the water <br />composition above and beyond the effects of the B-seam coal. It has been pointed out that <br />gypsum addition to the Bear Mine would allow us to account for additional Ca and SO, that <br />appear in the water at the portal spring. <br />