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• HYDROLOGIC MONITORING PLAN <br />SOUTHFIELD MINE AND LOADOUT <br />GROUNDWATER. SURFACE WATER AND IN-MINE MONITORING <br />I. Surface Drainage Flow Samolina <br />A. Monitoring locations <br />Magpie Creek in diversion adjacent to mine <br />Newlin Creek near GEC Pits <br />Second Alkali Creek near MW-65 <br />Oak Creek near Sedimentation Pond L-2 <br />B. Sampling Frequency and Procedure <br />1. Water quality and flow data will be collected at the Newlin <br />Creek and Oak Creek monitoring locations quarterly. <br />2. Magpie Creek is an ephemeral drainage. Water samples will <br />• be collected on an opportunistic basis. A crest stage gage <br />and bottle sample have been installed to measure peak flows <br />and collect water samples during significant flow events. <br />3. Second Alkali Creek is an ephemeral drainage. Water <br />samples will be collected on a opportunistic basis. A <br />crest stage gauge and bottle sampler will be installed to <br />measure peak flows and collect water samples during <br />significant flow events. <br />C. Sampling Procedure <br />I. The following information will be provided on each sample <br />bottle label: <br />- Station/Well designation <br />- Date and time <br />- Bottle number <br />- Analysis code <br />- Individuals initials <br />2. Samples will be collected in such a manner as to minimize <br />physical disturbance at the sample point. <br />3. Sampling devices will be cleaned prior to use and samples <br />will be placed in clean sample containers which will be <br />sealed at the sampling site. <br />