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J.J. Dudash 2 Mazch 25, 2004 <br />2. Two springs, 53100 and 53200, were sampled for full suite analyses on a semi- <br />annual basis. However, Table 1 shows that fu[[ suite analyses need to be run on <br />a quarterly basis. Please explain. <br />BRL -Springs 53100 and 53200 were sampled and analyzed on June 27, 2002 and <br />December 10, 2002. The lab reports were not forwazded to this office for <br />reporting. Enclosed aze corrected Monitoring Tables for these sites. Also enclosed <br />are corrected Monitoring Tables for sites P0306, P1002, P1003 and P1004. The <br />lab results for June 27, 2002 were not reported on the Monitoring Tables in the <br />origina12002 report. <br />3. Please add the elevation of the water level to monitoring point charts 11 and 12 <br />for wells SM-9 and SM-10. <br />BRL -Elevation of the water level has been added to the enclosed monitoring point <br />charts 1 I and 12 for wells SM-9 and SM-10. <br />2002 Bi Annual Subsidence Report <br />4. Please add a discussion to the upcoming 2003 Annual Report concerning <br />whether or not the subsidence data collected so far support the subsidence <br />predictions made in the Subsidence Appendix of Volume 3 of the permit <br />application. The discussion should include the subsidence magnitude, the angle <br />of draw, the aerial extent of subsidence and the stability of the outcrop barrier <br />pillars and partial extraction zones. <br />BRL -Request noted. <br />If you have any questions, please contact me. <br />Sincerely, <br />~~~ <br />J. E. Stover, P.E. <br />Consulting Engineer <br />Enclosures <br />cc: U. S. Forest Service <br />Bureau of Land Management <br />