HYDRO29955

• Permit No: M1988112
• IBM Index Class Name: Hydrology
• Doc Date: 9/11/2006
• Doc Name: August 2006 Monthly Report
• From: Battle Mountain Resources Inc.
• To: DRMS
• Permit Index Doc Type: Correspondence
• Media Type: D
• Archive: No

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BATTLE MOUNTAIN RESOURCES, INC.
RECEIVE D
September 07, 2006 /
SEP 1 12006
Mr. Allen Sorensen
!/ uivision of Reclamation
State of Colorado
Division of Minerals and geology ,
Mining and Safety
1313 Sherman Street, Room 215
Denver, CO 80203
Re: Battle Mountain Resowces Inc.
San Luis Project
CMLRB Permit No. M-88-~2
l~ugust 2006 Monthly Report
Deaz Mr. Sorensen:
The following summarizes monitoring and site activities at the Battle Mountain Resources Inc.
(BMRI), San Luis Project for the month of August 2006.
Surface and ground water monitoring and analysis were completed for all required sites during
the month per the terms and conditions of the TR-32 Quality Assurance and Quality Control
(QA/QC) Plan.
Vacuum on the tailing lysimeters was verified on August 30th, no water was present for sampling
and subsequent analysis.
Depths to water were collected for the tailing impoundment main embankment piezometers and
the West Pit and tailings embankment monitoring wells on August 30t°. August tailing
impoundment piezometer measwements identified these installations were either dry or contained
less than 12 inches of water as illustrated in Table 2. Tables I and 2 below identify the depth to
water measurements collected for each of the site monitoring wells, piezometers and lysimeters as
required by the terms and conditions of the TR-32 QA/QC plan.
The tailing impoundment collection pond underdmin flow was pumped intermittently during the
month to minimize the collection pond level. The leak detection system was measured on August
25'h. The August tailings pond underdrain flow average was 33.89 gpm and a tots! of 740 gallons
of water was excavated from the leak detection system yielding a monthly average of 22.55 gpad.
During August the West Pit water treatment plant operated efficiently discharging a total of
10,191,100 gallons (3128 acre-feet) of water to Rito Seco Creek and a total of 919,600 gallons
(2.82 acre-feet) of water was transferred from the water treatment plant to the tailings
impoundment. Seepage along Rito Seco Creek remained dry during the month.
P.O. Box 310 San Luis, Colorado 81152-0310 [phone] Fax [phone]