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Summary of Quarterly Hydrological Monitoring <br />Monitoring Activities <br />The following field monitoring activities were performed during the second quarter 2013 <br />(April through June 2013) at Energy Fuels Resources Corporation's ( "Energy Fuels "') <br />Whirlwind Mine (the "Mine "): <br />• Quarterly water level measurements and field parameters were taken at DP Spring <br />and PR Spring on June 4, 2013, and at MW -1 on June 17, 2013. <br />• Annual water samples were collected at PR Spring and MW -1 during the above <br />sampling event. <br />• Annual Seeps and Springs survey (the "Survey ") was conducted on June 17, <br />2013. As a result of the survey, field parameters were measured and water <br />samples were collected at the spring at the Rajah 49 Thornton Portal (also referred <br />to as Rajah Spring). <br />Whirlwind Mine Treatment Plant <br />During periods when the treatment plant is in operation, mine water from the Mine is <br />pumped to the surface, stored in a water tank, treated and discharged to the middle <br />tributary of Lumsden Creek. Discharge of treated water from the Mine is allowed in <br />accordance with Colorado Discharge Permit System permit number CO- 0047562. Energy <br />Fuels has suspended use of the Mine water treatment plant until such time that mining <br />operations resume. No water has been pumped from the Mine since December 2009, and <br />Mine water has been allowed to accumulate in the Mine workings. Refer to Appendix 1, <br />Attachment 1 of this report for a summary of mine water treatment. <br />Whirlwind Mine and Packrat Mine <br />The inflow within the Mine decline cannot be measured directly because it occurs over <br />approximately 100 feet of the decline and within the drifts. The water collects in the mine <br />sump, and is subsequently pumped into the untreated water tank on the surface when the <br />mine is operating. Currently inflow is calculated based on the approximate elevation <br />level of accumulated mine water, and the void volume of the workings. <br />Access to the Mine decline was restricted during the second quarter of 2012. As a result, <br />flow rate and field parameter measurements were also put on hold until such time that the <br />Mine is reopened. Historical flow rates and field parameters from the Mine decline water <br />are included in Appendix 1, Attachment 2. Analytical data from the previous samples <br />collected from the Mine are summarized in Appendix 2, Table 1. <br />Characterization of mine water in the Packrat Mine could not be conducted because the <br />mine is not yet accessible. Appendix 1, Attachment 3 of this report is reserved for field <br />data collected from the Packrat Mine at such time that it becomes accessible and is <br />monitored. <br />