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2013-05-28_HYDROLOGY - M1977344
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2013-05-28_HYDROLOGY - M1977344
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Last modified
8/24/2016 5:20:46 PM
Creation date
5/29/2013 8:59:26 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M1977344
IBM Index Class Name
HYDROLOGY
Doc Date
5/28/2013
Doc Name
March 2013 Groundwater Monitoring Report
From
ARCADIS
To
DRMS
Permit Index Doc Type
Hydrology Report
Email Name
TC1
Media Type
D
Archive
No
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Portland Plant Holcim (US) Inc. Phone 719 784 6325 <br />3500 Highway 120 Fax 719 784 3470 <br />ti o l c m Florence, CO 81226 www.hoicim.com /us <br />February 17, 2009 <br />Mr. Berhan Keffelew <br />Colorado Department of Natural Resources <br />Division of Reclamation, Mining and Safety <br />1313 Sherman Street, Room 215 <br />Denver, CO 80203 <br />Re: Proposed Groundwater Monitoring Plan, DRMS Permit M- 1977 -344 <br />Dear Mr. Keffelew, <br />The purpose of this groundwater monitoring plan (GMP) is to fulfill the requirements of <br />Technical Revision #6 (TR -06) to the Division of Mining, Reclamation and Safety Permit M- <br />1977 -344. This permit is for the Holcim (US) Portland Plant quarry located adjacent to the <br />cement plant in Florence, Colorado. <br />The quarry is located on the north side of the Arkansas River. Groundwater in the area flows in <br />a generally southerly direction toward the river. See Figure 2 attached from the March 2008 <br />Groundwater Monitoring Report. <br />Holcim proposes annual sampling of the following monitoring wells: <br />• MW -12 -Background well located in the north end of the quarry. <br />• MW -7 - Compliance well located in the southwest side of the quarry. <br />• MW -13` - Compliance well to be located in the south side of the quarry inclose proximity <br />to Piezometer P -3 near the entrance to the quarry. <br />* Note, this well is proposed to be drilled in April 2009 and will be a 2" ID Schedule 40 PVC well <br />approximately 50 feet in depth. <br />In addition, Holcim will continue monitoring water level in wells P -2, P -3, MW -9, and MW -11. <br />Holcim proposes abandoning the following wells: <br />• MW-6 -this well is located next to MW12 and is thus redundant and unnecessary. <br />• MW -8 - this well is located in an area that will be reclaimed, i.e. buried, in 2009. <br />• MW -10 -this well is too shallow to provide useful data. <br />The wells will be abandoned in accordance with Colorado rules and regulations governing well <br />abandonment. <br />
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