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REV93621
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REV93621
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Entry Properties
Last modified
8/25/2016 3:14:57 AM
Creation date
11/21/2007 11:33:09 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M1988112
IBM Index Class Name
Revision
Doc Date
11/9/1995
Doc Name
PROPOSED MONITORING AND WATER QUALITY EVALUATION PLAN AS REQUIRED BY TR-018 SAN LUIS PROJECT PN M-88
From
DMG
To
JAMES STEVENS
Type & Sequence
TR18
Media Type
D
Archive
No
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e <br />~ III IIIIIIIIIIIIIIII i <br /> <br /> STATE OF COLORADO <br />DIVISION OF MINERALS AND GEOLOGY <br />Depanmenl of NaWral Resources <br /> <br />1313 Sherman SL, Room 215 ~ <br />Denver, Colorado 80203 ~~~~ <br />Phone: (3011 866-3567 <br />FAX: 13031832-8106 <br /> DEPARTMENT OF <br /> NATURAL <br /> RESOURCES <br /> Roy Romer <br /> Governor <br />DATE: November 9, 1995 lames 5. Lochhead <br />Execmive Dvecmr <br />Michael B. Long <br />TO: James Stevens, Bruce Humphries Division Direaw <br />FROM: James Dillie <br />RE: Proposed Monitoring and Water Quality Evaluation Plan as Required by <br />TR-018, San Luis Project, Permit No. M-88-112 <br />Pursuant to TR-018, Stipulation No. 7, BMRI is required to submit a proposal for a <br />groundwater monitoring system and methodology of the West Pit backfilling operation. <br />BMRI's consultant, John C. Halepaska & Associates, Inc., prepared the proposal and <br />submitted it to the Division on August 21, 1995. <br />Components of the proposal which satisfy the requirements of Stipulation No. 7 and are <br />acceptable to the Division are as follows: <br />Monitoring Site Selections -BMRI proposes to monitor the Rito Seco <br />Alluvium in the existing M-11 well, the precambrian gneiss will be <br />monitored in the existing dewatering well (it will be converted when <br />dewatering of the pit is no longer required) and the Santa Fe formation will <br />be monitored from a new well that will be located a short distance <br />downgradient of the West Pit approximately 300 feet southeast of the <br />dewatering well. <br />2. Monitoring Well Construction Details -The designs shown on figures 3, 4, <br />and 5 are acceptable. <br />3. Installation of Piezometers -Two standpipe piezometers will be located <br />near the west edge of the pit to evaluate the progress of the te-filling of the <br />pit and the re-establishment of the hydraulic gradient. <br />4. Approved Protocols for Water Quality Monitoring -BMRI committed to <br />using protocols set out in TR-06. <br />
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