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STATION 319 <br />EC -field <br />Flow Rate (cfs) Temp © pH - field (s.u.) (umhos /cm) <br />Date <br />10 -07 -09 <br />10 -13 -09 <br />10 -19 -09 <br />03 -08 -10 <br />03 -24 -10 <br />04 -13 -10 <br />04 -21 -10 <br />05 -05 -10 <br />05 -17 -10 <br />06 -08 -10 <br />06 -20 -10 <br />07 -08 -10 <br />07 -21 -10 <br />NO FLOW DURING <br />THE WATER <br />YEAR (Oct <br />2009 - Sept 201 <br />9) <br />08 -10 -10 <br />AT STATION <br />3/9 <br />08 -25 -10 <br />09 -14 -10 <br />09 -22 -10 <br />Kerr (Marr) Mine - 2010 Annual Hydrology Report <br />= Equipment malfunction (EC 2004 and 2005) <br />5.0 LOADOUT AREA SURFACE WATER <br />Two Loadout surface water sites (319 and 320) were monitored biweekly during October 2009 then <br />from March through September, 2010 (sites are frozen midwinter). There was discharge from Site 320 <br />beginning April 13 and ceasing during the later part of August, 2010 ranging from 0.25 to 2.0 cfs. No <br />flow was observed after August 2010 at Station 320. There was no discharge during 2010 from Station <br />319. The sedimentation pond associated with Site 319 typically fills during spring runoff and retains <br />water through September. Site monitoring locations are shown on Map 2, Loadout Area Monitoring <br />Stations. <br />For Site 320, only the field measurements (flow, temperature and pH) are required for monitoring. This <br />data is contained in Appendix A, 2010 Field Data. The flow data for the Loadout is presented on Table <br />4, Loadout Area Surface Water Quality Data. <br />TABLE 4 - LOADOUT AREA SURFACE WATER QUALITY DATA <br />Water Year 2010 <br />4 <br />