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:.. c • .a IIIIIIIIIIIIIIIIIII <br />999 <br />2-05.6(3)(b)(iv) <br />r (iv) The following monitoring plan is designed to <br />provide data which will verify that the Somerset Mine and the Sanborn <br />Creek Mine will not have significant adverse impacts on the surface or <br />subsurface water which is within or adjacent to the permit area. The <br />sample points, shown on drawing E8-3286, are: <br />Station Frequency Elevation Location Water Type <br />H-1 Note 1 6100 <br />H-10 Note 2 6376 <br />B-6 Note 2 6782 <br />S-1 Note 5 6080 <br />S-2 Note 5 6030 <br />P-1 Note 5 6057 <br />U-1 Note 5 6090 <br />C-1 Note 5 6070 <br />NF-1 Note 4 6080 <br />NF-2 Note 4 6010 <br />SC-1 Note 3 6106.1 <br />SC-2 Note 3 6227.8 <br />SC-3 Note 3 6227.8 <br />SP-1 - 6 Note 6 8000-8200 <br />SP-7 - 11 Note 7 6100-6200 <br />AG-1 Note 5 6185 <br />BG-1 Note 5 6200 <br />CG-1 Note 5 6190 <br />HN-1 Note 5 6200 <br />HG-1 Note 5 6200 <br />BC-1 Note 5 6240 <br />WSC DH12 Note 8 7553 <br />Outfall 011 Note 9 6060 <br />Hubbard Creek <br />Hubbard Creek <br />Bear Creek <br />Sanborn Creek <br />Sanborn Creek <br />Portal Drop Inlet <br />Unnamed Drainage <br />Coal Gulch <br />Gunnison River <br />Gunnison River <br />Drill Hole <br />Drill Hole <br />Drill Hole <br />Spring <br />Spring <br />"A" Gulch <br />"B" Gulch <br />"C" Gulch <br />Hawksnest Creek <br />Hoopla Gulch <br />Bardine Canyon <br />Coal Gulch <br />Sanborn Creek <br />Surface Water <br />Groundwater <br />Groundwater <br />Surface Water <br />Surface Water <br />Surface Water <br />Surface Water <br />Surface Water <br />Surface Water <br />Surface Water <br />Groundwater <br />Groundwater <br />Groundwater <br />Surface Water <br />Surface Water <br />Surface Water <br />Surface Water <br />Surface water <br />Surface Water <br />Surface Water <br />Surface Water <br />Groundwater <br />Groundwater <br />NOTES: <br />1. April, June, August & October field parameters, full suite April 6 <br />October <br />2. April field parameters, October field parameters 6 full suite. <br />3. Quarterly field parameters, semi-annual full suite. <br />4. Quarterly field parameters and full suite. <br />5. Monthly field parameters, quarterly full suite. <br />6. Monthly field parameters April through October through June 1994 <br />then recommence one year prior to and continue for two years after <br />retreat mining. <br />7. Monthly field parameters through June 1994. Monthly flow <br />thereafter. Recommence monthly field parameters one year prior to <br />and continue for two years after retreat mining. <br />8. Annually in June field parameters and full suite. <br />9. NPDES Requirements with flow meter, quarterly full suite. <br />Full suite analysis parameters are shown on Page 2.04-39a. Field <br />parameters include flow or water level, pH, temperature and conductivity. <br />Downstream Sanborn Creek (S-2) will only be monitored if upstream <br />Sanborn Creek (S-1) has flow. <br />2.05 - 96iii <br />Rev. 2:09-04-94 <br />