2016-05-10_PERMIT FILE - M1988112

• Permit No: M1988112
• IBM Index Class Name: Permit File
• Doc Date: 5/10/2016
• Doc Name: Monitoring and activities monitoring
• From: Battle Mountain Resources, Inc.
• To: DRMS
• Email Name: WHE
• Media Type: D
• Archive: No

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BATTLE MOUNTAIN RESOURCES, INC.
RECEIVED
May 05,2016
� MAY 102016
Mr. Wally Erickson
State of Colorado DMSION OF RECLAMATION
Division of Reclamation,Mining and Safety IN IMANDSAFETY
1313 Sherman Street,Room 215
Denver, CO 80203
Re: Battle Mountain Resources Inc.
San Luis Project
CMLRB Permit No.M-88-112
April 2016 Monthly Report
Dear Mr. Erickson:
The following sum rizes monitoring and site activities at the Battle Mountain Resources Inc. (BNM),
San Luis Project for the month of April,2016.
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 April 27`h, 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 monitoring wells on April 27th. April 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 leak detection system was measured on April 27`h.A total of 870 gallons of water was excavated
from the leak detection system yielding a monthly average of 30 gpad.The tailings pond under-drain
measured 41.0 gpm.
During the month of April, the West Pit water treatment plant operated efficiently discharging a total of
8,161,200 gallons(25.05 acre-feet)of water to Rito Seco Creek and a total of 926,400 gallons(2.84 acre-
feet)of water was transferred from the West Pit 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]