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Mike Boulay <br />-6- July 8, 2011 <br />CAM - Enclosed are monitoring well permits for RW -1, RW -2. They should be inserted <br />into Volume I, Exhibit 13. CAM has not received the monitoring well permits for <br />RW -3 and RW -4 located on property owned by Tavistock. <br />8. Division Response: Response accepted. <br />9. Division Response: Response accepted. <br />10. Ground surface elevation information for the monitoring wells does not appear to <br />be consistent between the summary table information on the typical diagram in <br />Exhibit 3 as compared with the As -Built Drawings for the well completions <br />provided in Exhibit 14. Have the wells been re- surveyed by CAM? If so, were <br />the ground surface and top of casing elevations surveyed? Please expand the <br />well completion summary table on the typical diagram to include the following: <br />ground surface elevation, top of casing or measuring point elevation, and <br />perforated interval depth. <br />CAM Response: CAM generated their topography, based on aerial photography <br />from May of 2010 and believes it to be accurate. <br />The completion diagrams provided in Exhibit 14 do not match up with the typical <br />diagram data shown in Exhibit 3, as RW -1 and RW -2 are not the same wells. <br />CAM chose well locations based on location and numbered them according to <br />their own nomenclature, not based on Gary Refining nomenclature. <br />• As for RW -1, there are two wells in the current location, and therefore, the <br />completion diagram included in the 1981 data could be the well that CAM <br />is not using and therefore not applicable. <br />• RW -2 used by CAM is not the RW -2 shown in the completion diagram in <br />Exhibit 14. <br />• The RW -3 ground surface elevation shown in Exhibit 3 is accurate based <br />on the generated topography. The pipe stick up listed in Exhibit 3 was <br />recently measured, and therefore believed to be more accurate than what <br />is shown on the completion diagram in Exhibit 14. <br />• The RW -4 ground surface elevation shown in Exhibit 3 is accurate based <br />CAM's generated topography. The pipe stick up listed in Exhibit 3 was <br />recently measured, and therefore believed to be more accurate than what <br />is shown on the completion diagram in Exhibit 14. <br />The ground surface elevation as well as the pipe stick up is currently shown on <br />the typical construction diagram in Exhibit 3. The pipe stick up, as shown on the <br />completion diagram in Exhibit 3, is measured from the ground to the top of the <br />pipe (or concrete, if applicable, to the top of pipe). The perforated zone is <br />unknown for each monitoring well. The completion diagram in Exhibit 3 has been <br />revised to include the top of pipe stick up elevation in the summary table. <br />