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Permit Number CO-0068, ( ) Page 5 of 7 • Attachment 1 Special Stipulations 1. Prior to sediment pond construction, the permittee will submit to the Regulatory Authority revised pond designs which will insure that runoff stor- age capacity will mat be reduced by ground water draining into the pond at arty time during the year. Furthermore, the plan will include a proposal far lin- ing the pond, or other~ise preventing the contamination of near surface ground water as a result of percolation through the alluvium. 2. Within one month of permit issuance, the permittee will submit to the Regulatory Authority a revised pion far handling possible flooding of portions of the permit area. The plan will include an evaluation of alternative flood control techniques and poterrtiai downstream effects of arty flooding in the area will be included in the evaluation. 3. 'dithin one month of permit issuance, the permittee will submit to the Regulatory Authority a detailed plan for handling and treating arty discharge of water from the underground workings which does not meet the effluent limit- atiarts of 4.05.2. The plan will address the measures to be used to prevent or control gravity discharge including conveyence to, maintenance af, and dis- charge from sumps, sedimerrtatian ponds ar a treatment facility an the permit area. • 4. The applicant will submit t0 Regulatory Authority art annual report of in- flows, discharges and consumption of water within the Bear ~3 mine. This re- port is to include a mine warkirtgs map showing the location acrd quantity of inflows; a table keyed to the mine map which shall contain the source (i.e., fault, fractures, etc.), quantity, duration and quality (i.e., pH, electro- conductivity and temperature) of all irrflaws; a table containing retards of water discharged from the mine, consumed in the mine and imparted for use within the mine; a discussion of water balance within the mine; and finally, a projection of hydrologic impacts of mining in the upcoming year. 5. Bear Caal Company shall continue to monitor the three North Fori alluvial wells to monitor the effeCS of mining an alluvial ground water. This moni- toring shall include monthly monitoring of ground water levels, pH, temper- ature and eleC ro-conductivity. On a quarterly basis, ground water quality analyses shall be run on samples collected from these alluvial wells. The water quality samples shall be analyzed for those parameters in Attachment 2 of the CLMRO permit. All data shall be suanitted to The Regulatory Authority within one month of the date of collection. The Regulatory Authority may reduce this frequency of analysis, the number of parameters analyzed, and num- ber of wells monitored upon comple*_ion of the year's collection of dot.:. 6. The pe^nittee will submit to the Office of Surface Mining an annual hydrologic r9 port. This report shall include an analysis of all hydrologic • data gathered during the year, an assessment of the impacts of mining during t;;e year, and an assessment of the projected impacts of mining .n the 'ollc•Ning !eer. This ro_o r shall assess the impacts of mining on the cullicy anQ ~'_lldnLi"/ OT 'NdL2r i'1 °_l1rScC2 Stredm5, sarir.as, 4r~Ufid wdL2r adlll'er5, mine .^.~'aw, .nd~mine ciscsar?es.