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PR Spring <br /> The field parameters were measured at PR Spring on August 1, 2022. 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 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 measured for the static groundwater level and field parameters on <br /> August 1, 2022. The water level at Monitoring Well W-1 is consistent with previous <br /> measurements. The field sampling form is provided in Appendix 3. <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 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(Rajah Spring) <br /> The Rajah Spring has been sampled annually from 2009 to 2022. Field parameters and a sample <br /> were collected on August 1, 2022, during the 2022 Seeps and Springs Survey. The Annual Seeps <br /> and Springs Survey notes and photo log are included in the Third Quarter Report. The analytical <br /> laboratory data are provided in the Third Quarter Report. EFRI will continue to include the Rajah <br /> Spring in future annual seeps and springs surveys. <br /> Waste Rock <br /> No ore was mined in the third quarter 2022. The Mine is currently in operation with rehabilitation, <br /> maintenance and monitoring activities being conducted.EFRI will resume the quarterly waste rock <br /> sample collection next quarter. <br /> 3 <br />