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and 27 were resolved during the second five-year permit term. Stipulations 5, 17, 20, 21, 23, 24, <br />25, 26, 28, 29, 30, 31 were resolved during the third five-year permit term. <br />3.1.5 Technical Revisions <br />Four Technical Revisions (TR) were processed since the 7 September 2011 Proposed Decision <br />and Findings of Compliance for the Keenesburg Strip Mine C-81-028 Permit Renewal No. 6. <br />TR43: Approved January 10, 2013. Approved Revision of vegetation cover and herbaceous <br />production. <br />TR44: Approved May 1, 2013. Revised Subsurface Water Monitoring Analysis from Quarterly <br />to Semi-annually. <br />TR45: Approved August 7, 2015. Changed the post -mining land use. <br />TR46: Approved November 1, 2016. Changed the grading plan and permit boundary. <br />3.1.6 Minor Revisions <br />Two Minor Revisions (MR) were processed since the September 7, 2011 Proposed Decision and <br />Findings of Compliance for Permit Renewal RN6. <br />MR45: Approved January 23, 2013. <br />MR46: Approved July 1, 2014. Responses to MT 6 adequacy review comments. <br />3.1.7 Bond Releases (SL) <br />One bond release was approved prior to RN -04. <br />SL -01: Approved August 11, 1998. Approved Phase I bond release on 179 acres and Phase II <br />bond release on 111 acres. Released $1,787,113.00 of reclamation liability. <br />Two bond releases were approved between RN -04 and RN -05. <br />SL -02: Approved September 1, 2005. Approved Phase I bond release on 51.76 acres. Released <br />$287,918.00 of reclamation liability. <br />SL -03: Approved April 18, 2006. Approved Phase II bond release on 53.9 acres of land <br />reclaimed between 1997 and 2003. Released $130,189.80 of reclamation liability. <br />Two bond releases were approved between RN -05 and RN -06. <br />SL -04: Approved October 19, 2009. Approved Phase III bond release on 165.29 acres. <br />Released $167,911.00 of reclamation liability. <br />SL -05: Approved September 10, 2010. Approved Phase II bond release on 51.05 acres. <br />Released $120,385.00 of reclamation liability. <br />Two bond releases have been approved since RN -06 (approved September 7, 2011). <br />SL -06: Approved January 4, 2012. This Phase III bond release on 42.49 acres released <br />$63,799.09 of reclamation liability. <br />SL -07: Approved April 2, 2015. This Phase I bond release on 27.1 acres released $342,547.09 <br />of reclamation liability. <br />10 <br />