INSERTION INSTRUCTIONS
<br />SENECA II-W MINE PERMIT G82.057
<br />TECHNICAL. REVISION (TR-56)
<br />October 24, 2006
<br />TAB 13, Facilities. Vol. 7
<br />• Teat -replace pages 9 and 10
<br />TAB 13. Facilities, Vol. 7a
<br />• Attachment 13-SF, Pond 016/016A Two-Pond System, As-Built Report, Pond 016/016A
<br />Sedimentology Demonstration Certification -insert new certification statement and accompanying
<br />material as Preface pages 2 - 5
<br />• Attachment 13-SF, Pond 016/O16A Two-Pond System, As-Built Report, Appendix 1, Pond 016
<br />Spillway Certification -replace existing certification with new certification statement
<br />• Attachment 13-SF, Pond 016/016A Two-Pond System, As-Built Report, Appendix 1, Pond 016 As-
<br />Bui1tReport, Addendum 13-SF-A 10-Yeaz 24Hour SEDCAD4 Results -replace existing 10-Year,
<br />24-Hour SEDCAD modeling demonstration
<br />• Attachment 13-SF, Pond 016/016A Two-Pond System, As-Built Report, Appendix 1, Pond 016 As-
<br />Built Report, Addendum 13-SF-B 25-Year 24-Hoot SEDCAD4 Results -replace existing 25-Year,
<br />24-Hour SF.DCAD modeling demonstration
<br />• Attachment 13-SF, Pond 016/016A Two-Pond System, As-Built Report, Appendix 1, Pond 016 As-
<br />Built Report, Addendum 13-SF-C Emesgenry Spillway Chrtfall Channel -replace existing Outfall
<br />Channel material
<br />• Attachment 13-SF, Pond 016/016A Two-Pond System, As-Built Report, Appendix 1, Hydrologic
<br />Input Parameter Slipsheets -remove existing slipsheets. These slipsheets aze found behind the
<br />existing Pond 16 Emexgenry Spillway Channel material and, in front of the page entitled
<br />Sedimentation Pond 076, StabilityAnalytir ofA.r-Built Candikonr, November2000. These spreadsheets
<br />have been replaced with the spreadsheets found on pages 13-SF-A.17 through 13-SF-A.28
<br />• Attachment 13-SF, Pond 016/016A Two-Pond System, As-Built Report, Appendix 1, Pond 016 As-
<br />Built Report, Addendum 13-SF-D, Pond Ol G Final Geotechnirat Report and Summary -insert slip
<br />sheet in front of page entitled Sedimentation Pond 076, StabilityAnalyrir ofArBuilt Conditionr, November
<br />2000
<br />• Attachment 13-SF, Pond 016/016A Two-Pond System, As-Built Report, Appendix 1, Pond 016 As-
<br />Built Report, Addendum 13-SF-E, Compaction Testing Result -replace existing slip sheet
<br />• Attachment 13-SF, Pond 016/016A Two-Pond System, As-Built Report, Appendix 2, Pond 016A
<br />As-Built Report -replace existing Pond 106A As-Built Report
<br />TAB 13. Facilities. Vol. 9
<br />• Exhibit 13-9A, Pond 016 As-Built -replace Exhibit 13-9A
<br />• Exhibit 13-9C, Pond 016A As-Built -replace Exhibit 13-9C
<br />Seneca Coal Company • P.O. Box 670 • Hayden, Colorado 81639
<br />Telephone (970) 2763707 • FAX (970) 276-3014
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