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<br />TR-66 2.05 - 42 09/24 <br />(iv) Monitoring Plan. <br /> <br />Alluvial wells 1 through 3 (MW-1, MW-2, and MW-3) will be <br />monitored quarterly for field parameters. A full suite sample will <br />be obtained quarterly for MW-1 and MW-3 during the second <br />and fourth quarters. <br /> <br />The loadout and stockpile sediment ponds will be monitored in <br />accordance with discharge permit requirements. <br /> <br />The loadout and stockpile area monitoring plan does not <br />include monitoring points for springs, stock ponds, deep <br />bedrock monitoring wells, ditches, streams, rivers or naturally <br />occurring runoff from gulches and draws. <br /> <br />Base line data for the alluvial wells MW-1, MW-2 and MW-3 are <br />included in Exhibit 3 Baseline Water Monitoring Data. <br /> <br />Field parameters for groundwater are depth to water level, pH, <br />conductivity and temperature. If surface water monitoring <br />points are added to this monitoring plan, field parameters for <br />surface water will be flow, pH, conductivity and temperature. <br />Equipment and methods used to measure the field parameters <br />include: <br /> <br />pH - A Cole Parmer pocket-size tester (pH Tester II). Range - <br />1.0 to 15.0 pH. Resolution: 0.1 pH. Accuracy: +/- 0.1 pH. <br />Temperature compensation: automatic 0 to 50" C. Calibration: <br />1, 2 or 3 point. <br /> <br />Conductivity - Two Cole Parmer pocket-size microprocessor- <br />controlled testers with different range capabilities (TDS Tester <br />10 and TDS Tester 20). Accuracy: +/- 2% FS. Temperature <br />conmpensation: automatic 0 to 50" C. Operating temperature: <br />0 to 50" C. Range 0 to 1,990 and 2,000 to 19,900 umhos/cm. <br />Depth to Water - A Water Level Indicator (M-Scope) is used to <br />measure depth to water. The cable is marked in 5-foot <br />increments. A tape measure is used to determine accurate <br />distances between marked increments. <br /> <br />Temperature - A standard mercury thermometer which