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-40 U ~ / U~ Stipulation No. 4 WITHIN 120 DAYS OF PERMIT ISSUANCE, THE DIVISION DIRECTS EMPIRE ENERGY CORPORATION TO MODIFY THE PROPOSED HYDROLOGIC MONITORING PROGRAM TO INCLUDE THE FOLLOWING: A) EMPIRE ENERGY CORPORATION SHALL DETERMINE THE VOLUME OF WATER PUMPED FROM THE MINES ON A WEEKLY BASIS TO MONITOR DISCHARGE FROM ALL MINE WORKINGS. WATER QUALITY AT THE DISCHARGE POINTS SHALL BE MONITORED WEEKLY FOR ELECTRICAL CONDUCTIVITY, pH, AND TEMPERATURE. ON A QUAR7ERLY BASIS THE APPLICANT SHALL MONITOR, IDS, TSS, AND EFFLUENT LIMITATIONS. B) COPIES OF THE NPDES MONITORING REPORT SHALL BE SENT TO THE DIVISION WHICH INCLUDE THOSE SPECIFIC CONSTITUENTS ADDED BY THE DEPARTMENT OF HEALTH TO THE OPERATOR'S NPDES MONITORING (MERCURY, SILVER, CYANIDE, COPPER, LEAD, THALLIUM, CADMIUM, AND ZINC). IF EMPIRE ENERGY CORPORATION REQUESTS THE DEPARTMENT OF HEALTH TO DELETE ANY OF THESE CONSTITUENTS FROM THEIR REQUIRED NPDES MONITORING, THE APPLICANT SHALL SUBMIT A COPY OF THE REQUEST TO THE DIVISION. THE DIVISION SHALL CONSULT WITH THE DEPARTMENT OF HEALTH CONCERNING THIS REQUEST. C) THE OPERATOR'S MONITORING PROGRAM SHALL INCLUDE THE MONITORING OF SPRING WATER QUANTITY AND QUALITY. FOR THE NORTH SPRING (MAP IV-13) WATER QUANTITY AND QUALITY (TEMPERATURE, EC, ANO pH) SHALL BE MONITORED ON A MONTHLY BASIS. FOR THE THREE ADJUDICATED SPRINGS IDENTIFIED ON MAP III-14 (HAXTON SPRING I, AND LIPPARD SPRINGS I AND II) THE OPERATOR SHALL MONITOR FLOW, TEMPERATURE, EC, ANO pH ON A MONTHLY BASIS AND FULL SUITE WATER QUALITY ACCORDING TO THE DIVISION'S WATER QUALITY GUIDELINE ON A QUARTERLY BASIS. D) EMPIRE ENERGY CORPORATION SHALL SUBMI7 THE RESULTS OF ALL ITS HYDROLOGIC MONITORING, INCLUDING NPDES MONITORING, TO THE DIVISION ON A QUARTERLY BASIS. The surface water, ground water, and mine water monitoring plan at the Eagle No. 5 and No. 9 Mines is designed to monitor the effects of the mining operation both during and after mining. This monitoring is to be adequate to plan for modification of surface or underground mining activities, if necessary, to minimize disturbance of the prevailing hydrologic balance {Rule 4.05.13(1)(b)). The following stipulation is proposed to insure that the applicant analyzes and uses the collected hydrologic data in the design and operation of mines, in order to minimize the disturbance to the hydrologic balance.