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DP Spring <br />The field parameters were measured at DP Spring on March 31, 2015. The flow is measured by <br />timing the fill rate of a five - gallon bucket. Field parameters from DP Spring are measured in the <br />stock tank located at the spring. The field sampling form is provided in Appendix 4. <br />Flow rates and field parameters at DP Spring are summarized in Appendix 1, Attachment 4. <br />PR Spring <br />The field parameters were measured at PR Spring on March 31, 2015. The flow is measured by <br />timing the fill rate of a five - gallon bucket. Field parameters from PR Spring are measured in the <br />stock tank located at the spring. The field sampling form is provided in Appendix 4. <br />Flow rates and field parameters at PR Spring are summarized in Appendix 1, Attachment 5. The <br />historical analytical data from PR Spring are summarized in Appendix 2, Table 2. <br />Monitoring Well W -1 <br />Monitoring Well W -1 was installed on October 12, 2008 for the purpose of characterizing and <br />monitoring groundwater quality downgradient of the waste rock storage area. Monitoring Well <br />W -1 was measured for the static groundwater level and field parameters on March 31, 2015. The <br />water level at Monitoring Well W -1 is consistent with previous measurements. The field <br />sampling form is provided in Appendix 4. <br />Water levels and field parameters are summarized in Appendix 1, Attachment 6. The historical <br />analytical data from Monitoring Well W -1 are summarized in Appendix 2, Table 3. <br />Lumsden Canyon Seep <br />The Lumsden Canyon Seep (also referred to in earlier reports as Lumsden Canyon Spring) was <br />monitored for field parameters and sampled in June and December of 2008. This location was <br />monitored by Western Water & Land, Inc. during hydrologic reconnaissance required by BLM <br />stipulations to the Plan of Operations. No further sampling or field parameter measurement <br />events are scheduled at this time. <br />Historical field parameters are summarized in Appendix 1, Attachment 7 and the historical <br />analytical data from the Lumsden Canyon Seep samples are summarized in Appendix 2, Table 4. <br />Raiah 49 Thornton Portal (Raiah Spring) <br />The Rajah Spring has been sampled from 2009 to 2014. Field parameters and a sample were last <br />collected on June 17, 2014 during the 2014 Seeps and Springs Survey. The 2015 Seeps and <br />Springs Survey will be conducted in the second or third quarter of 2015. EFRI will continue to <br />include the Rajah Spring in future annual seeps and springs surveys. <br />2 <br />