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 Apri125, 2007
TABLE SA
MW-NW WATER QUALITY DATA

P
t
U
i Sample Dates 2006 2003 - 2006
arame
er n
ts
06/20/06
11(20/06
Average
Min.
Av
Maz.
pH (labl units dry dry dry n/a dry n/a
Conductivity at 25C umhos/cm
Temperature (field) de C
Solids, total dissolved m /I
Bicarbonate as CaC03 m /l
Calcium, dissolved m /I
Chloride mg/I
Magnesium, dissolved mg/I
Nitro en, ammonia mg/I
Nitro en, nitrate nitrite m /I
Phosphorus, ortho m /I
Phosphorus, total mg/I
Sodium, dissolved m /I
Sulfate mg/I
Arsenic, dissolved m /I
Cadmium, dissolved m /I
Iron, dissolved m /I
Man anese, dissolved m /I
Mercury, dissolved mg/I
Selenium, dissolved mg/I
Zinc, dissolved mg/I
Notes:
1. Zero data values =parameter was analyzed for but not detected.
2. Blank data field = no data.
64172006 annual hyd rptdoc NWCC INC. Page 29