2011-06-17_REPORT - C1981014

• Permit No: C1981014
• IBM Index Class Name: Report
• Doc Date: 6/17/2011
• Doc Name: 2010 Annual Hydrology Report
• From: Energy Fuels Coal Inc
• To: DRMS
• Annual Report Year: 2010
• Permit Index Doc Type: Hydrology Report
• Email Name: JHB
• Media Type: D
• Archive: No

EFCI Southfield Mine - 2010 Annual Hydrology Report
May 30, 2011
TABLE 8
STREAM FLOW MEASUREMENTS (cfs) 1999 - 2010
Quarter-Year Monitoring
Date Newlin
Creek
(Upper)
NC-2 Newlin
Creek
(Lower)
NC-1 Magpie
Creek
(Upper)
MC-1 Magpie
Creek
(Lower)
MC-2 Oak Creek
(Upper)
OC-2 Oak Creek
(Lower)
OC-1 Second Alkali
Creek
SA-1
1st -1999 1/19/99 No flow No flow No flow No flow 0.56 0.54 No flow
2nd -1999 418-5/5/99 10.5 9.5 16.0 20.0 1.1 1.2 0.45
3rd -1999 8/2/99 No flow No flow No flow No flow 4.5 4.2 No flow
4th -1999 12/29/99 No flow No flow No flow No flow 1.6 1.6 No flow
1 st - 2000 03/29/00 No flow No flow No flow No flow 1.6 1.6 No flow
2nd -2000 05102/00 2.4 1.6 No flow No flow 1.7 1.6 No flow
3rd - 2000 No flow No flow No flow No flow No flow No flow No flow
4th - 2000 No flow No flow No flow No flow No flow No flow No flow
1 st - 2001 No flow No flow No flow No flow No flow No flow No flow
2nd - 2001 05/22/01 No flow No flow No flow No flow 4.7 4.3 No flow
3rd - 2001 No flow No flow No flow No flow No flow No flow No flow
4th - 2001 No flow No flow No flow No flow No flow No flow No flow
1 st - 2002 No flow No flow No flow No flow No flow No flow No flow
2nd -2002 No flow No flow No flow No flow No flow No flow No flow
3rd - 2002 No flow No flow No flow No flow No flow No flow No flow
4th - 2002 No flow No flow
A No flow No flow No flow No flow No flow
1st - 2003 No flow No flow No flow No flow No flow No flow No flow
2nd -2003 No flow No flow No flow No flow No flow No flow No flow
3rd - 2003 No flow No flow No flow No flow No flow No flow No flow
4th - 2003 No flow No flow No flow No flow No flow No flow No flow
2nd -2004 04/13/04 7.8 7.8 Minimal Minimal 0.03 0.03 No flow
4th - 2004 1217/04 No flow No flow _ No flow No flow No flow No flow No flow
2nd - 2005 4/19105 12.4 12.6 No flow No flow .02 .02 No flow
4th - 2005 12/12/05 No flow No flow No flow No flow No flow No flow No flow
2nd -2006 6/20/06_ No flow No flow No flow No flow No flow No flow No flow
4th - 2006 11/20/06 No flow No flow No flow No flow No flow No flow No flow
2nd - 2007 5/03/07 10.8 10.7 No flow No flow 22 21 No flow
4th - 2007 11/27/07 No flow No flow No flow No flow no meas. 5.9 No flow
2nd - 2008 5/28/08 No flow No flow No flow No flow 1.6 1.75 No flow
4th - 2008 12/02/08 No flow No flow No flow No flow No flow No flow No flow
2nd - 2009 4/28/09 2.14 0.001 No flow No flow No flow No flow No flow
4th - 2009 12/14/09 No flow No flow No flow No flow No flow 0.007 No flow
2nd - 2010 4/27/10 1.2 0.63 No flow No flow n/a n/a No flow
4th - 2010 12/13/10 No flow No flow No flow No flow n/a n/a No flow
Notes:
1. Blank data fields = no data.
2. Oak Creek (OC-1 and OC-2) monitoring discontinued in 2010 per Technical Revision No. 37
2010 AHR text.doc Page 18