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2011-03-14_REVISION - M1977493 (57)
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2011-03-14_REVISION - M1977493 (57)
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Last modified
6/15/2021 5:47:17 PM
Creation date
4/6/2011 8:41:30 AM
Metadata
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Template:
DRMS Permit Index
Permit No
M1977493
IBM Index Class Name
REVISION
Doc Date
3/14/2011
Doc Name
Exhibit List, Ex. 1-6
From
Climax
To
MLRB
Type & Sequence
AM6
Media Type
D
Archive
No
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Permit Amendment (AM-06) - Climax Mine <br />CM0000495 <br />personnel. In addition, a beacon alarm is situated atop the dam to alert personnel in the case of pump <br />failure. A back-up pump is situated at the station as well as a back-up generator set to run the seep <br />pump in case of power failure. <br />T-5.5.3 Tenmile Creek Watershed <br />Monitoring of the water treatment and discharge system, which verifies the effectiveness of the various <br />EPFs associated with the water treatment system at Climax, is extensive and intensive. The CDPS <br />Permit requires daily, weekly, monthly, and quarterly sampling and monitoring with reporting on a monthly <br />basis. In addition, Climax conducts quarterly WET tests on discharged waters. Detailed information <br />regarding the types of monitoring, parameters, frequency, reporting requirements, methods and analyses <br />is found in the CDPS Permit. Groundwater monitoring is discussed in Section T-6.0. <br />Water Treatment Chemicals: The chemicals used in the water treatment process, are GreatFloc 5500, <br />lime and sulfuric acid. Lime and sulfuric acid are stored in steel silos and a 7,000 gallon tank, <br />respectively. As described previously, GreatFloc 5500 is stored in one 2,500 gallon mix tank and one <br />3,000 gallon feed/storage tank. The mixing in the mix tank is done in batch operations and is monitored. <br />The feed/storage tank is equipped with level controls to regulate tank levels. The lime silos located at the <br />Lime Station are monitored visually. The sulfuric acid tank is monitored with telemetric level indicators. <br />The acid metering system also contains a telemetric alarm. <br />Designated Chemicals for Concentrate Production: Monitoring of the integrity of the designated chemical <br />EPFs is a standard operating procedure at the Climax Mine during periods of operation when chemicals <br />are maintained at the site. Each storage facility is visually checked by mill personnel. Leaks, spills, or <br />other accidental or unauthorized releases are immediately reported as described in the SPCC/MCP. <br />TDL and ETDL: Regular checks of the new TDL and the ETDL during periods of operation and during <br />periods of inactivity are planned. While the TDL and a portion of the ETDL are planned to be used to <br />transport tailing from the mill to the TSFs, they are also important links in the water treatment system at <br />Climax. <br />Robinson TSF and 2 Dam: Monitoring of 1 Dam was discussed in Section T-5.4.2. Robinson TSF and 2 <br />Dam are monitored visually by Climax personnel. As with all the TSFs, its location, size, and function <br />allow for extensive observations. <br />Tenmile TSF and 3 Dam: The Tenmile TSF, 3 Dam, and ancillary facilities such as Tenmile Decant and <br />Tenmile Tunnel are monitored visually by Climax personnel. Piezometers equipped with data loggers are <br />utilized to monitor water levels in the dam. Periodic inspections also include monitoring seepage to <br />detect unusual flow quantity or clarity changes. <br />Mayflower TSF and 5 Dam: The Mayflower TSF, 5 Dam, and ancillary facilities such as the riser/decant <br />system are monitored visually by Climax personnel. Piezometers equipped with data loggers are utilized <br />to monitor water levels in the dam. Periodic inspections also include monitoring seepage to detect <br />unusual flow quantity or clarity changes. <br />5 Dam Seepwater Collection and Return System (Mayflower Pump Station): The 5 Dam seepwater <br />collection and return system at the Mayflower pump station is monitored visually. The pump station <br />contains both stand-by pumps and a stand-by generator set should mechanical or power failures occur. <br />Telemetry to the mill is used to monitor the Mayflower Pump Station remotely. <br />T-6 Groundwater <br />Groundwater at hardrock mine sites in Colorado is regulated through the DRMS under authority of Senate <br />Bill 89-181. Climax personnel have worked closely with the DRMS to develop an adequate monitoring <br />program. Additional information regarding aquifers, faulting in the Climax area, and hydrogeology is <br />located in Exhibit G - Water Information, the 1989 Amendment to the Mining and Reclamation Permit and <br />in TR-08. CMC recognizes that refinement of the Groundwater Monitoring Program, submitted as TR-08, <br />is beyond the scope of this amendment and will be addressed in future submittals. <br />0 <br />Exhibit T T-23 May 2010
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