2008-05-14_REPORT - C1981014

• Permit No: C1981014
• IBM Index Class Name: REPORT
• Doc Date: 5/14/2008
• Doc Name: 2007 Annual Hydrology Report
• From: Energy Fuels Coal, Inc.
• To: DRMS
• Annual Report Year: 2007
• Permit Index Doc Type: Hydrology Report
• Email Name: KAG
• Media Type: D
• Archive: No

EFCI Southfield Mine -Year 2007 Annual Hydrology Report April 21, 2008
TABLE 9
STREAM FLOW MEASUREMENTS (cfs)
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 econd Alkal
Creek
SA-1
1st -1999 1/19/99 No flow No flow No flow No flow 0.56 0.54 No flow
2n° -1999 4/8-5/5/99 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 sf - 2000 03/29/00 No flow No flow No flow No flow 1.6 1.6 No flow
2nd - 2000 05/02/00 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
1st - 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
1st - 2002 - - - No flow No flow No flow No flow No flow No flow No flow
2"d - 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 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
2n0 - 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
2"° - 2004 04/13/04 7.8 7.8 Minimal Minimal 0.03 0.03 No flow
4th - 2004 12/7/04 No flow No flow No flow No flow No flow No flow No flow
2nd - 2005 4/19/05 12.4 12.6 No flow No flow .02 .02 No flow
4'" - 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
4'" - 2006 11/20/06 No flow No flow No flow No flow No flow No flow No flow
2 - 2007 5/03/07 10.8 10.7 No flow No flow 22 21 No flow
4 - 2007 11/27/07 No flow No flow No flow No flow no meas. 5.9 No flow
Notes:
1. Zero data values =parameter was analyzed for but not detected.
2. Blank data fields = no data.
' Monitoring station moved according to Technical Revision No. 29
2007 AHR.doc WP Page 21