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Previous and current flow rates and field parameters at DP Spring are summarized in <br />Section 4 of the Hydrological Report. <br />PR Spring <br />The flow and field parameters were measured at PR Spring on July 28, 2010. The flow at <br />PR Spring was estimated by determining the time required to fill a 5-gallon bucket. <br />Observed flow rates have been relatively low during the previous two measurement <br />events in December 2009 and June 2010. During the June 2010 sampling event, it was <br />noted that large patches of vegetation, similar to moss, were floating in the collection box <br />and may have been restricting flow to the stock tank. This material was removed during <br />the July 28 measurement event. Prior to removal of the material the flow rate was <br />measured at 1.9 gallon per minute (gpm), similar to the previous two measurement <br />events. Following removal of the material, the flow rate was allowed to stabilize and was <br />measured at 5.2 gpm, similar to the recorded flow rate prior to the December 2009 event. <br />Field parameters from PR Spring were measured in the stock tank located at the spring. <br />Field parameters were consistent with previous measurements at PR Spring. <br />Previous and current flow rates and field parameters at PR Spring are summarized in <br />Section 5 of the Hydrological Report. Historical analytical data from PR Spring is <br />summarized in Table 2. <br />Monitoring Well W-1 <br />Monitoring Well W-1 was installed on October 12, 2008 for the purpose of characterizing <br />and monitoring groundwater quality downgradient of the waste rock storage area. <br />Monitoring Well W-1 was measured for the static groundwater level on July 28, 2010. <br />The water level at Monitoring Well W-1 was similar to previous sampling events. <br />Historical water levels and field parameters are summarized in Section 6 of the <br />Hydrological Report. Historical analytical data from Monitoring Well W-1 is summarized <br />in Table 3. <br />Lumsden Canyon Seep <br />The Lumsden Canyon Seep (also referred to in earlier reports as Lumsden Canyon <br />Spring) was monitored for field parameters and sampled in June and December of 2008. <br />This location was monitored by Western Water & Land, Inc. during hydrologic <br />reconnaissance required by BLM stipulations to the mine permit. <br />The field parameters are summarized in Section 7 of the Hydrological Report and the <br />analytical data from the Lumsden Canyon Seep samples is summarized in Table 4. No <br />further sampling or field parameter measurement events are scheduled at this time. <br />Rajah 49 Thornton Portal <br />Water was observed flowing from the Rajah 49 Thornton Portal and sampled in the Third <br />Quarter of 2009 and Second Quarter 2010. The estimated flow rate and measured field <br />parameters are included in Section 8 of the Hydrological Report and the analytical data is <br />summarized in Table 5. Energy Fuels will continue to include the Thornton Portal in <br />future annual seep surveys and collect samples for analysis if discharge is observed. <br />2