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Evaluation <br />All puddings, structures and facilities at the mine site have peen dismantled <br />and removed. Sealing of underground access structures was conducted in <br />accordance witn the originally approved plan. <br />Backfilling of the mine site and grading of the outslopes were conducted in <br />accordance with the originally approved plan. Certification and monitoring <br />indicate that the back filled and graded areas are in stable configurations. <br />Contour collection ditches and the disturped water collection ditches were <br />constructed in accordance with a technical revision submitted June 20, 1989. <br />Two small area exemptions from collection and treatment of runoff water by a <br />sediment pond were granted for the powder magazine area and a portion of the <br />west facing slope just east of the sedimentation Dond. Alternate means of <br />sediment control were constructed in accordance with a technical revision <br />submitted June 20, 1988. Certifications and monitoring indicate that these <br />small area exemptions are in staple configurations. <br />Reclamation work remaining to De done is as follows: <br />A. Removal of contour and drainage ditches. <br />B. Removal of the culvert peneath the undisturbed water channel which <br />directs runoff to the sediment pond. <br />C. Reclamation of the sedimentation pond and downstream wiers. <br />D. Sealing and reclamation of tnirty monitoring wells. <br />E. Measures necessary to achieve vegetative success. This may include <br />additional soil preparation, seeding, mulching, and transplanting <br />of shrugs. <br />Cost estimates for conducting these activities are included in the following <br />section. <br />At this time the Division believes that the degree of difficulty to complete <br />these remaining reclamation activities to be low. <br />ionitoring of the outfall from the sedimentation pond and piezometric wells <br />will continue. Past monitoring of the pond and wells has not indicated any <br />problems or degradation of adjacent surface or ground waters. Designs of the <br />drainage system and sedimentation pond indicate adequate capacity and settling <br />times for ten year, twenty-four hour precipitation events. Tne propaoility of <br />aegradation of surface or ground waters is very low. Continuing monitoring at <br />the permit area should determine the degree to which water quality and slope <br />staoility are being preserved. <br />-2- <br />