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PR Suring <br /> An analytical sample was not collected, and parameters were not measured at PR Spring due to <br /> impassable roads. The flow is measured by timing the fill rate of a five-gallon bucket. Field <br /> parameters from PR Spring are measured in the stock tank located at the spring.The field sampling <br /> form is provided in Appendix 3. <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. <br /> Monitoring Well W-1 was not sampled or measured for the static groundwater level and field <br /> parameters due to impassable roads. The field sampling form is provided in Appendix 3. <br /> Water levels and field parameters are summarized in Appendix 1, Attachment 6. The analytical <br /> 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 events <br /> 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 /> Rajah 49 Thornton Portal (Rauh Spring) <br /> The Rajah Spring has been sampled annually from 2009 to 2022. Field parameters and a sample <br /> will be collected during the third quarter 2023, during the 2023 Seeps and Springs Survey. The <br /> Annual Seeps and Springs Survey notes and photo log will be included in the Third Quarter Report. <br /> The analytical laboratory data will be provided in the Third Quarter Report. EFRI will continue to <br /> include the Rajah Spring in future annual seeps and springs surveys. <br /> Waste Rock <br /> No ore was mined in the first quarter of 2023. The Mine is currently in operation with <br /> rehabilitation, maintenance and monitoring activities being conducted. <br /> 3 <br />