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2012-10-25_HYDROLOGY - M1977348
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2012-10-25_HYDROLOGY - M1977348
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Last modified
8/24/2016 5:09:50 PM
Creation date
10/25/2012 3:17:22 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M1977348
IBM Index Class Name
HYDROLOGY
Doc Date
10/25/2012
Doc Name
HOLCIM GROUNDWATER CHARACTERIZATION PLAN
From
GOLDER ASSOCIATES
To
DRMS
Email Name
ECS
Media Type
D
Archive
No
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October 2012 <br />3.0 EVALUATION AND REPORTING <br />Attorney Work Product, <br />Confidential and Privileged <br />12 <br />103- 81640A <br />3.1 Field Investigation Summary <br />Following the field program, a report summarizing the field investigation will be prepared. The report will <br />include discussion of the field activities performed and subsurface conditions encountered or inferred. <br />The borehole geologic logs, well installation logs, and water level measurements will be presented as <br />tables or attachments to the report. The geologic logs will include depths, elevations, descriptions of <br />subsurface materials (soil and rock) encountered, and depths to groundwater. At a minimum, figures <br />included in the report will show the well locations and an updated cross - section through the Site. Finally, <br />monitoring well permit applications will be filed with the Colorado Division of Water Resources. <br />3.2 Characterization Report <br />Holcim and Golder anticipate that water monitoring will be conducted in the new and existing monitoring <br />wells for four quarters following the new well construction. Following this monitoring period, an evaluation <br />will be performed of all information collected as part of this study and from the monitoring, and summarize <br />the results in a Characterization Report. This report is intended to address all DRMS issues /questions in <br />their June 25, 2012 letter and specifically evaluate whether the groundwater has been impacted by CKD <br />disposal. Supporting documentation from this study and from previous studies will be included in the <br />report. <br />If the evaluation suggests that CKD is impacting groundwater, the report will identify the list of potential <br />measures that should be considered to minimize or control these impacts. The identified measures may <br />include source control options and /or groundwater treatment. <br />Following review of the final Characterization Report by DRMS, it is anticipated that a meeting (or <br />conference call) will be scheduled with DRMS to discuss the results. If necessary, this meeting will also <br />be used to help determine which minimization or control measures will warrant further evaluation of <br />effectiveness for achieving full Release of Reclamation Liability. Any work related to the evaluation and <br />implementation of control measures will be performed separately from this characterization work. <br />\10 \81640\ 0400\ characterrzationpin_ fnl- 23octl2 \charactenzahonpin_fnl- 23octl2 docx <br />Golder <br />Associates <br />
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