REP18339

• Permit No: C1981014
• IBM Index Class Name: Report
• Doc Date: 9/12/2002
• Doc Name: 2001 Annual Hydrology Report
• From: Energy Fuels Coal Inc
• To: DMG
• Annual Report Year: 2001
• Permit Index Doc Type: Hydrology Report
• Media Type: D
• Archive: No

TABLE 5
2001 AHR
MW-70 WATER QUALITY DATA

PARAMETER
UNITS ~ Sample Dates:
~ 03/08/01 09/26/01 2001
AVERAGE
MIN. 1979 - 2001
AVE.
MAX.
pH (lab) units DRY DRY n/a 6.8 7.7 8.6
Conduct+wty ai 25C umhos/cm WELL WELL n/a 614 910 f310
Temperature (field) deg C Na 12.0 14.9 25.0
Solids, total dissolved m I n/a 340 595 976
Bicarbonate as CaCO3 mg/l J n/a 196 280 376
Calcium dissolved mg/l n/a
-- 5 37 84
Chloride mg/I n/a 4 10 40
Magnesium, dissolved mg/I n/a 2.1 7.1 17.0
_.,_
Nitrogen, ammonia _ ___ _
____
mg/I _ _-__________ _ _ _ n/a 0.20 6.99 23.30
Nitrogen, nitrate nitrite___ _ _ mg/I___.-____ ________._-__ -.._.____ _ -_--_n/a _ ___ _ -0.02 _ _ 0.57 __ 14.40 __
Phosphorus, ortho mgA n/a -0.005 1.301 2.520
Phosphorus, total------ __-- ----~I -_____ ---- _ -___- --_- _-__- n/a -0.005 0.040 0.100
Sodium, dissolved mg/I n/a 89 154 320
Sulfate m I _ _ n/a
_ _ 78 160__ 362 __
_ ___
Arsenic, dissolved mg/! _ _
n/a -0.002 -0.001 0.001
Cadmium, dissolved m9l __
_
_ _n/a __ -0.010 - -0.003 0.006_
Iron, dissolved _
__
mg/l ,_ ___
_
_ n/a -0.02 0.63 8.00
Manganese, dissolved __ _~___--- __ _ ___ ,_,__ ______ __n/a __ -0.10 0.09 _ 0.98 _
Mercury, dissolved mg/l Na -0.0010 -0.0003 0.0005
Selenium, dissolved m n/a -0.002 -0.000 0.026
Zinc, dissolved mg/I nla -0.01 0.03 0.12
NOTES: 1. Zero data values =parameter was analyzed for but not detected.
2. Blank data field = no data.