REP41178

• Permit No: C1981014
• IBM Index Class Name: REPORT
• Doc Date: 4/27/2007
• Doc Name: 2006 Annual Hydrology Report
• From: Energy Fuels Coal, Inc.
• To: DRMS
• Annual Report Year: 2006
• Permit Index Doc Type: Hydrology Report
• Media Type: D
• Archive: No

EFCI Southfield Mine -Year 2006 Annual Hydrology Report April 25, 2007
TABLE 3
NPDES DISCHARGES SUMMARY (2001)
P i 2001 2001 2001
arameter Un
ts 1st Qtr. 2nd Qtr. 3rd Qtr. 4th Otr. Avg. Quality Tot. Quantity
NPDES 001 (POND NO. 11 -reclaimed
Discharge Ac-Ft D.O 0.8 0.0 0.0 0.83
pH (Min.) units 7.5 7.5
pH IMaxJ units 7.9 7.9
TSS IAve.l mg/I 18 18
Total Iron (AveJ mg/I 5.38 5.38
Set. Solids (Ave.l ml/I/hr 0.0 0.0
NPDES 002 (POND NO. 41
Discharge Ac-Ft 0.0 0.0 0.0 0.0 0.0
pH (Min.) units nla
pH (Max.l units n/a
TSS IAve.) mg/I n/a
Total Iron (Ave.) mg/I n/a
Set. Solids IAve.) mlll/hr n/a
NPDES 004 (POND NO. 51
Discharge Ac-Ft O.0 3.0 0.0 0.0 3.6
pH (Min.) units 7.3 7.3
pH (Max.) units 7.7 7.6
TSS IAve.l mg/1 6 9/a
Total Iron IAve.) mg/I 0.57 0.67
WET Test Pass/Fail -pass pass
NPDES 005 (POND NO. 31 -reclaimed
Discharge Ac-Ft 0.0 0.0 0.0 0.0 0.0
pH (Min.l units n/a
pH IMax.) units nla
TSS IAve.) mg/I n/a
Total Iron (Ave.) mg/I n/a
WET Test Pass/Fail n!a
NPDES 007 (POND NO. 1 - LOADOUT)
Discharge Ac-Ft 0.0 0.0 0.0 D.O O.0
pH IMin.l units n/a
pH IMax.l units n/a
TSS IAve.) mg/I n/a
Total Iron (Ave.) mg/I n/a
Set. Solids (Ave.) ml/I/hr~ - nla
NPDES 001 (POND NO. 2 - LOADOUT)
Discharge Ac-Fi O.0 O.D O.O 0.0 O.O
pH (Min.) units n/a
pH (Max.l units n/a
TSS IAve.l mg/I nla
Total Iron (Ave.) mg/I n/a
Set. Solids IAve.) ml/I/hr n/a
Total Discharges to Streams IAC-Ft) 4.43
Notes: Mine Area Ponds 1 and 3 were reclaimed in 2002 therefore discharge points 001 and 005 have been eliminated
and monitoring discontinued
6417/200fi annual hyd rpt.doc - NWCC ~NC. P8g86