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Permit Revision Adequacy July 6, 2004 Page 3 of I S 13. On page 2.04-41, 151 paragraph, "age" is more appropriately referred to as "residence time," consistent with the Mayo report. 14. On page 2.04-42, the last full sentence on the page states that "the overall relationship between the fault offset and the damage zone water storage and inflow rates becomes obvious." Please describe that relationship for clarity and continuity. 15. On page 2.04-43 the first statement notes MCC's water handling systems. Please provide a page or section reference to that discussion in the text. 2.04.7 Hydrology Description 16. A minor point on page 2.04-46, please indicate in the text that figures SA, SB, SC, SD, SE, and SF aze contained in map pockets and not in the text. 17. The Division requests that MCC add a map that provides a reference for visualizing groundwater flow in the azea of the permit, This would show the areas undermined and the strike and dip of the strata across the area and at least allow for plotting of existing monitoring well sites on the map. This map will assist in the evaluation of probable hydrologic consequences, monitoring plan, and in the points-of-compliance evaluation (Rule 4.05.13.) 18. On page 2.04-48 the brief discussion on regional connectivity of stratigraphic units should be explained more fully, describing the units that crop out up-dip (and thus have limited recharge potential from the "active zone"), those that crop out down-dip within the permit area and the observations of groundwater discharge from those down-dip outcrops. Please develop this discussion more fully. 19. Please correct a minor typographical error on page 2.04-51 -first paragraph, 5`h line ("aquifer2"). 20. On page 2.04-51, in the penultimate paragraph, note that the well completion and abandonment data discussed have not been incorporated into Exhibit 12, to date but reside in Volume 11A of the PAP. Please correct. 21. On page 2.04-52, 2nd paragraph, the statement is made that new wells have been added, including Upper and Lower Dry Fork and SOM-3B and that the location and completion information can be found in Table 5. Table 5 (page 2.04-58) is a summary of slug test data, not location and completion data. Please correct this reference. Further, please include slug test data for those new wells as available and note on the table the unit in which each well is completed. 22. While complete analyses of groundwater quality aze contained within the annual hydrology reports, as noted on page 2.04-53, the Division requests that MCC include a discussion and analysis of the data within the permit application package (PAP) in response to Rule