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CashMineWaterMonitoring AdrianBrown <br />3.4 Monitoring <br />3.4.1 Fre~c uencv <br />The Cash Mine groundwater system shall be monitored on a quarterly basis, by extracting a groundwater <br />sample from each of the monitoring wells. MRV reserves the option to petition DRMS to revise the <br />monitoring frequency at a later date if conditions warrant. <br />3.4.2 Sampling <br />The monitor wells shall be sampled as set forth in SOP06 -Groundwater Sampling. In the case of the <br />Cash Mine Borehole, the well volume shall be computed as the volume contained in the wellbore <br />between the total depth of 522 feet to the current depth to water, at a rate of 0.47 gallons per foot. <br />Produced water shall be discharged to the ground surface, a minimum of 20 feet distance from the well. <br />Field pazameters for the groundwater samples shall be measured as specified in SOP11-Measuring Field <br />Water Parameters. Groundwater samples shall be preserved and transferred to the laboratory as <br />described in SOP03 -Sample Custody, Handling, Packing, and Shipping. The samples shall be analyzed <br />at the laboratory for the parameters set forth in Table 1. <br />1601A-20061106 6 <br />