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-z- <br />Stipulation No. 4 <br />THE OPERATOR WILL CONDUCT GROUND WATER MONITORING AS OUTLINED BELOW: <br />1. DEEP ROCK AQUIFER MONITORING WELLS <br />a. MONTHLY MONITORING OF WATER LEVELS IN ALL DEEP ROCK AQUIFER WELLS. <br />b. ANNUAL MEASUREMENTS OF FIELD pH, ELECTRO-CONDUCTIVITY AND <br />TEMPERATURE IN JUNE OF EACH YEAR IN WELLS D-1, E-1 and F-1. <br />2. ALLUVIAL WELLS ALONG WARD CREEK AND WILLIAMS CREEK <br />a. MONTHLY MONITORING OF WATER LEVELS IN ALL ALLUVIAL WELLS. <br />b. ANNUAL MEASUREMENTS OF FIELD pH, ELECTRO-CONDUCTIVITY AND <br />TEMPERATURE IN JUNE OF EACH YEAR IN WELLS A-1, A-9 AND A-11. <br />3. REFUSE PILE MONITORING WELLS <br />a. MONTHLY MONITORING OF WATER LEVELS (ALL WELLS). <br />b. MONTHLY FIELD MEASUREMENTS OF pH, ELECTRO-CONDUCTIVITY AND <br />TEMPERATURE (ALL WELLS). <br />c. WATER QUALITY ANALYSES IN JUNE AND OCTOBER OF EACH YEAR FOR <br />PARAMETERS LISTED ON ATTACHMENT B TO THIS DOCUMENT. QUALITY ANALYSES <br />MAY BE LIMITED TO WELLS R-1 AND R-6. <br />4. SEDIMENT POND PIEZOMETER WELLS <br />a. MONTHLY MEASUREMENT OF WATER LEVELS. <br />b. QUARTERLY MEASUREMENTS OF FIELD pH, ELECTRO-CONDUCTIVITY, AND <br />TEMPERATURE. <br />5. MINE INFLOW AND DISCHARGE MONTIORING <br />a. INFLOWS <br />1. MEASURE FLOW RATE FOR EACH MINE INFLOW EXCEEDING .S GPM IN JUNE <br />OF EACH YEAR. <br />2. MONITOR EACH INFLOW FOR FIELD pH, ELECTRO-CONDUCTIVITY, AND <br />TEMPERATURE IN JUNE OF EACH YEAR. <br />3. MAINTAIN CONTINUOUS RECORD OF FLOWS FROM THE ABANDONED MINE <br />WORKINGS (MONTHLY FLOW METER READING). <br />b. DISCHARGES <br />1. CONTINUOUS RECORD OF MINE WATER DISCHARGE FLOWS (WEEKLY FLOW <br />METER READING). <br />2. MONTHLY MEASUREMENTS OF FIELD pH, ELECTRO-CONDUCTIVITY, AND <br />TEMPERATURE. <br />3. QUARTERLY WATER QUALITY ANALYSES FOR PARAMETERS LISTED ON <br />ATTACHMENT B OF THIS DOCUMENT. <br />