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DNISION OF MINERALS AND GEOLOGY WATER MONITORING PLAN SUMMARY <br />~• <br />• <br />Requirement <br />Colowyo has committed to a surface and groundwater monitoring plan sufficient to verify the predicted <br />effects of mining activities. Specifically the plan addresses the following: <br />1) Mondily flow and quality analysis for Goodspring Creek and Taylor Creek; 2) quarterly groundwater <br />level and quality analysis in updip and downdip minesite wells and a downdip rail loadout well. <br />Results aze submitted to the Division of Minerals and Geology in an Annual report. Quarterly <br />monitoring will, at a minimum, include chemical analysis of all parameters listed below: <br />SURFACE AND GROUNDWATER (auarterlvl <br />Phosphate <br />Conductivity at 25° C <br />Total Dissolved Solids (TDS) <br />Total Suspended Solids (TSS) <br />Mercury <br />Arsenic <br />Iron <br />Ammonia <br />Nitrate (Wells only) <br />Calcium <br />Bicarbonate <br />Magnesium <br />Selenium <br />Nitrate-Nitrite <br />pH <br />Lead <br />Manganese <br />Sodium <br />Sulfate <br />Zinc <br />surface water -total recoverable metals <br />groundwater -dissolved metals <br />Response <br />SURFACE WATER (monthly) <br />pH <br />eC <br />Temperature <br />TSS <br />Flow <br />Colowyo wntinues to adhere to the water monitoring plan. Additional details of this plan are explained <br />in the Pemut, Volume 1, Page 4.05-10. Cumulative data and graphs for previous yeazs as well as data <br />for 1996, aze presented for this Annual Report in the following exhibits: <br />Exhibit 1 - Goodspring Creek and Taylor Creek Water Data. <br />Exhibit 4 - Gossard Well, North Goodspring Well and A-6 Wells. <br />l J <br />