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Baseline Hydrologic Monitoring Plan — Hansen Project 53 <br />6. SEEP AND SPRING MONITORING <br />A seep and spring survey will be conducted to identify perennial springs or seeps that should be added to <br />the monitoring program. At a minimum, the seven springs mapped on the USGS 7.5- minute quad maps <br />(Section 2.3.5) will be investigated. The seep and spring survey will be conducted in April or May, after <br />spring snowmelt is complete. The following information will be documented: <br />• Name and general description of the seep or spring <br />• Hydrological characteristics of the site <br />• GPS location <br />• Elevation (from 7.5 min. USGS topographic maps) <br />• Current and historic land use <br />• Notes on geology and geomorphology <br />• Indicators of disturbance such as grazing, flooding, spring "development ", etc. <br />• Reference photos of the site <br />• Flow rate and method of measurement <br />• Field water quality parameters (temperature, pH, electrical conductivity, dissolved oxygen, and <br />ORP) <br />Seeps or springs that are added to the baseline water quality program will be monitored using the analytical <br />suite shown in Table 20. <br />Table 20. Laboratory Parameters for Seep and Spring Monitoring <br />Seep & Spring Suite <br />Ma'or Ions and Indicator Parameters <br />Alkalinity, total (mgCaCO3 /1) <br />Bicarbonate (mg CaCO3 /1) <br />Carbonate (mg CaCO3 /1) <br />Hydroxide (mg CaCO3 /1) <br />Calcium (mg/1) <br />Magnesium (mg/1) <br />Potassium (mg /1) <br />Sodium (mg/1) <br />Chloride (mg/1) <br />Fluoride (mg /1) <br />Sulfate (mg /1) <br />Nitrogen, nitrate +nitrite (mg /1) <br />TDS (mg /1) <br />Metals <br />Iron, diss (mg /1) <br />Manganese, diss (mg /1) <br />Uranium, diss (mg /1) <br />Zinc, diss (mg /1) <br />Radiological <br />Gross alpha (pCi /1) <br />Gross beta (pCi /1) <br />4153A.140129 Whetstone Associates • <br />