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C-81-019 2000 Midterm Review <br />November 20, 2000 <br />one year). Production in 1999 was 5,569,385 tons. <br />Notices of Violations Since 1997 <br />There have been no notices of violations issued against Permit C-81-019 since the third permit <br />renewal of November 5, 1997. <br />Section II -Revisions Since 1997 <br />Revisions to Permit C-81-019 since the renewal of November 5, 1997 are summarized in the <br />following table. <br />Revision T e and Number Decision Date Sub'ect <br /> <br />Technical Revision 41 01/21/1999 Changed the design and operation of <br /> <br /> Sedimentation Ponds 1 through 10 <br />Technical Revision 43 03/19/1998 Revision of the Reclamation Cost Estimate <br />Technical Revision 44 06/26/1998 Reduction of monitoring of the Section 16 Fill <br /> and modification of blasting records <br />Technical Revision 45 (withdrawn Replacement of a monitoring well <br /> 09/22/1998) <br />Technical Revision 46 10/26/1998 Modification of the mine plan and topsoil removal <br /> lans <br />Technical Revision 47 05/19/1999 Reduction in the frequency of monitoring <br /> reve elated areas <br />Technical Revision 48 07/29/1999 Modification to the West Pit Fill postmining <br /> toorah <br />Technical Revision 49 08/30/1999 Modification in the timing of disturbance <br /> associated with the West Pit <br />Technical Revision 50 In process Transfer of exploration holes from Permit C-81- <br /> 019 to Ex loration Permit NOI X-95-109-OS <br />Minor Revision 47 (withdrawn Exploration drill holes within the permit boundary <br /> 07/13/1998) <br />Minor Revision 48 09/22/1998 Drilling of a replacement slope stability <br /> monitorin well <br />Minor Revision 49 12/08/1998 As-built drawing and revised text for new Streeter <br /> Fill monitorin well <br />Minor Revision 50 02/22/1999 Revised ownership and control information, <br /> SPCC Plan, and management of it water <br />Minor Revision 51 07/30/1999 Addition of 3 stock onds <br />Minor Revision 52 03/23/1999 Re lacement of CDPS ermit <br />Minor Revision 53 05/24/1999 Description of best management practices on haul <br /> roads <br />Minor Revision 54 OS/10/000 Insertion of new SWAMP. <br />