REP17383

• Permit No: C1981014
• IBM Index Class Name: Report
• Doc Date: 4/7/2005
• Doc Name: 2004 Annual Hydrology Report
• From: Northwest Colorado Consultants Inc
• To: DMG
• Annual Report Year: 2004
• Permit Index Doc Type: Hydrology Report
• Media Type: D
• Archive: No

Energy Fuels Coal, Inc. Southfield Mine - 2004 Annual Hydrology Report Apri15, 2005
TABLE 3
NPDES DISCHARGES SUMMARY (2001)
2001 2001 2001
Parameter Units 1st Qtr. 2nd Qtr. 3rd Qtr. 4ih Otr. Avg. Quality Tot. Quantity
NPDES 001 (POND NO. 1) -reclaimed
Discharge Ac-Ft 0.0 0.8 0.0 0.0 0.83
pH (Min.) units 7.5 7.5
pH (Max.l units 7.9 7.9
TSS IAve.) mg/I 18 18
Total Iron IAve.) mg/I 5.38 5.38
Set. Solids (Ave.) ml/I/hr 0.0 0.0
NPDES 002 (POND NO. 41
Discharge Ac-Ft O.O 0.0 0.0 0.0 0.0
pH (Min.) units n/a
pH (MazJ units n/a
TSS 1Ave.l mgll n/a
Total Iron (Ave.) mg/I n/a
Set. Solids (Ave.) ml/l/hr n/a
NPDES 004 (POND NO. 5)
Discharge Ac-Ft D.0 3.0 0.0 0.0 3.6
pH (Min.) units 7.3 7.3
pH (Maz.) units 7.7 7.6
TSS IAve.) mg/I 6 9/a
Total Iron IAve.) mg/I 0.57 0.67
WET Test Pass/Fail pass pass
NPDES 005 (POND NO. 3) -reclaimed
Discharge Ac-Ft 0.0 O.0 0.0 0.0 0.0
pH (Min.) units n/a
pH (MaxJ units n/a
TSS (AveJ mg/I n/a
Total Iron (Ave.) m /I n/a
WET Test PasslFail n/a
NPDES 001 (POND NO. 7 - LOADOUT)
Discharge Ac-Ft 0.0 0.0 0.0 0.0 0.0
pH (Min.) units n/a
pH (Maz.l units n/a
TSS IAve.l m /I n/a
Total Iron (Ave.) mg/I n/a
Set. Solids (Ave.) ml/I/hr n/a
NPDES 001 (POND NO. 2 - LOADOUTI
Discharge Ac-Ft 0.0 0.0 0.0 0.0 0.0
pH (Min.) units n/a
pH {Max.l units nla
TSS IAve.l mg/I n/a
Total Iron (Ave.) ~~ mgll n/a
Set. Solids (Ave.) ml/l/hr n/a
Total Discharges to Streams lAc-Ftl 4.43
Notes: Mine Area Ponds 1 and 3 were reclaimed in 2002 therefore discharge points 007 and 005 have been eliminated
and monitoring discontinued
6417/2004 annualhydrpt.doc NWCC INC. Pages