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Seep Inventory and Monitoring Program <br />Page 4 <br />Minimum Sampling Requirements: <br />a) For each seep, spring or adit flow, one water <br />characterization set of samples will be taken along with <br />field parameters. <br />b) Each field season, every identified site will be <br />inspected twice, once at the beginning and once toward <br />the end. Field parameters will be measured at each site <br />during these inspections. Starting with the 1994 field <br />season, 20 percent of the sites will be sampled and the <br />samples analyzed for normal sample parameters such that <br />analysis of all stations will be completed in 5 years. <br />Laboratory samples will be from a mix of the study area <br />drainages. <br />c) The sampling and monitoring requirements shall be in <br />effect for a period of time dependent on the leveling off <br />of the rate of rise of the mine pool. The point of <br />leveling off will be defined mathematically to the mutual <br />satisfaction of SGC and DMG, based on data gathered <br />through monitoring the rise of the mine pool. Monitoring <br />and sampling shall continue 2 years after the mutually <br />agreed upon point of leveling off has been reached by the <br />mine pool. <br />II. Stream Monitoring and Bulkhead Inspection <br />1. Stream Monitoring: <br />A monitoring program of surface waters will include: <br />a) seep inventory and monitoring samples as outlined in <br />B.I.3. <br />b) the MLR monitoring point above the American Tunnel <br />(CC1 /CC1A) on Cement Creek will be monitored <br />monthly for water characterization sample <br />parameters and field parameters. <br />c) The South Fork of Cement Creek at SF 17 will be <br />sampled twice annually during low flow conditions <br />(probably October and February) for field and <br />normal sample parameters. <br />d) Placer Gulch at PG 115 and California Gulch at CG <br />115 will be sampled annually during low flow <br />conditions (probably September) for field and <br />normal sample parameters if the mine pool surface <br />elevation rises above 11,500 feet. <br />