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2012-05-31_HYDROLOGY - M1977344
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2012-05-31_HYDROLOGY - M1977344
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Last modified
8/24/2016 4:58:31 PM
Creation date
5/31/2012 3:40:20 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M1977344
IBM Index Class Name
HYDROLOGY
Doc Date
5/31/2012
Doc Name
MARCH 2011 GROUNDWATER MONITORING REPORT
From
HOLCIM
To
DRMS
Email Name
BMK
Media Type
D
Archive
No
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Portland Plant <br />July 7, 2010 <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 />Dear Mr. Keffelew, <br />t <br />Holcim (US) Inc. <br />3500 Highway 120 <br />Florence, CO 81226 <br />Re: Proposed Groundwater Monitoring Plan, DRMS Permit M- 1977 -344 <br />In addition, the following field parameters will be recorded. <br />• pH <br />• specific conductance <br />• temperature <br />Phone 719 784 6325 <br />Fax 719 784 3470 <br />www.holcim.com /us <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. The quarry is located on the north side of the Arkansas <br />River. Groundwater in the area flows in a generally southerly direction toward the river. <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 area of the quarry (approximately' <br />mile inside the quarry main entrance). <br />• MW -13 - Compliance well located in the southeast area of the quarry, approximately 100 <br />feet north west of the intersection of State Highway 120 and Bear Creek (approximately <br />1/4 mile east of the main quarry entrance). <br />In addition, Holcim will continue monitoring water level in wells P -2, P -3, MW -9, and MW -11. <br />Holcim proposes monitoring for the following parameters: <br />• Total Dissolved Solids (TDS) <br />• Sulfate (SO4) <br />• Potassium (K) <br />• Sodium (Na) <br />• Iron (Fe) <br />• Manganese (Mn) <br />
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