REP50082

• Permit No: M1988112
• IBM Index Class Name: Report
• Doc Date: 6/10/2004
• Doc Name: May 2004 Monthly Report
• From: Battle Mountain Resources Inc
• To: DMG
• Media Type: D
• Archive: No

BATTLE MOUNTAIN RESOURCES, INC.
June 7, 2004
Mr. Jim Dillie
State of Colorado
Division of Minerals and Geology
1313 Sherman Street, Room 215
Denver. CO 80203
REC~:t,: :.~
JUN 10 2004
OiYlsion of Minerals & Geology
Re: Battle Mountain Resources Inc.
San Luis Project
CMLRB Permit No. M-88-112
May 2004 Monthly Repoli
Deaz Mr. Dillies
The following summarizes monitoring and site activities at the Battle Mountain Resources Inc.
(BMRI), San Luis Project for the month of May 2004.
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 May 27th, no water was present for sampling
and subsequent analysis.
Depths to water were collected for the tailing impoundment main embankment~iezometers on
May 27~, and the West Pit and tailings embankment monitoring wells on May 27 . The May 27`"
tailing impoundment piezometer measurements identified these installations were either dry or
contained less than 12 inches of water as illustrated in Table 2. Tables 1 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 underdrain flow was pumped intermittently during the
month to minimize the collection pond level. The leak detection system was measured on May
26th. The May tailings pond underdrain flow average was 40.13 gpm and a total of 430 gallons of
water was excavated from the leak detection system yielding a monthly average of 14.82 gpad.
During May, the West Pit water treatment plant operated efficiently discharging a total of
8,958,800 gallons (27.50 acre-feet) of water to Rito Seco Creek and a total of ],036,900 gallons
(3.18 acre-feet) of water was transferted from the water treatment plant to the tailings
impoundment. Seepage along Rito Seco Creek remained dry during the month. The monthly
precipitation accumulation for May was 0.44 inches, with the largest accumulation occurring on
May 1~` (0,44").
P.O. Box 310 San Luis, Colorado 8 1 1 52-03 10 [phone] Fax [phone]