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Previous and current flow rates and field parameters at DP Spring are summarized in <br />Section 4. <br />PR Sur g <br />in <br />The flow and field parameters were measured at PR Spring on August 15, 2011. The <br />flow at PR Spring was estimated by determining the time required to fill a 5- gallon <br />bucket. Field parameters from PR Spring were measured in the stock tank located at the <br />spring. The flow rate and field parameters at PR Spring are consistent with historical <br />records with the exception of dissolved oxygen, which measured lower than historical <br />measurements, and oxidation - reduction potential, which measured higher than historical <br />measurements. <br />Previous and current flow rates and field parameters at PR Spring are summarized in <br />Section 5. Historical analytical data from PR Spring is 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 August 16, 2011. <br />The water level at Monitoring Well W -1 was similar to previous measurement events. <br />Historical water levels and field parameters are summarized in Section 6. Historical <br />analytical data from Monitoring Well W -1 is summarized in Table 3. <br />Lumsden Cannon Seen <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 and the analytical data from the <br />Lumsden Canyon Seep samples is summarized in Table 4. No further sampling or field <br />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 2009, <br />2010 and 2011. The estimated flow rate and measured field parameters are included in <br />Section 8 of this report and the analytical data is summarized in Table 5. Energy Fuels <br />will continue to include the Thornton Portal in future annual seep surveys and collect <br />samples for analysis if discharge is observed. <br />Waste Rock <br />No ore was mined and no waste rock was produced in the Third Quarter 2011. Because <br />the Whirlwind Mine is currently on stand -by status with only maintenance activities <br />being conducted, Energy Fuels has suspended the quarterly waste rock sample collection <br />until such time that mining operations resume and waste rock removal from the mine <br />commences. <br />2 <br />