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HYDRO28920
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HYDRO28920
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Entry Properties
Last modified
8/24/2016 8:48:00 PM
Creation date
11/20/2007 10:05:02 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M1980244
IBM Index Class Name
Hydrology
Doc Name
CRESSON PROJECT PERMIT M-80-244 TR BASELINE CONDITIONS RESPONSE TO PROPOSAL TITLED TEMPORARY BASELIN
To
DNR
Media Type
D
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No
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• • III IIIIIIIIIIIII III <br />999 <br />FILE: CC&VSTIP.005 <br />November _, 1995 <br />SENT BY CERTIFIED RETURN RECEIPT REQUESTED AND FACSIMILE <br />Mr. Berhan Keffelew <br />Environmental Protection Specialist <br />Colorado Department of Natural Resources <br />Division of Minerals and Geology <br />Office of Mined Land Reclamation <br />1313 Sherman Street, Room 215 <br />Denver, Colorado 80203 <br />Reference: Cresson Project: Permit M-80-244: Technical Revision - Baseline <br />Conditions - Response To Proposal Titled "Temporary Baseline <br />Compilation To Set Trigger Levels." <br />Dear Mr. Keffelew: <br />As mentioned previously, the Cripple Creek & Victor Gold Mining Company ("CC&V") deeply <br />appreciates the effort that you have put into developing a workable set of criteria upon which <br />we may base reactions and actions to measurements involving those elements of the Cresson <br />Project's Valley Leach Facility. We have studied the proposal and wish to suggest some <br />modifications CC&V believes will make the procedures fit the site-specific circumstances. <br />We have developed some definitions and attempted to divide the Commitment into four <br />protocols, three of which address the physical monitoring (underdrain system, leak dection <br />system, and ground water system) and the fourth of which addresses <br />COMMITMENT <br />Definitions: <br />"Arequa Gulch Underdrain" refers to a drainage system comprised of 4 pipes and a rock drain <br />installed under the two phases of the Cresson Valley Leach Facility. The concenVations of <br />substances in this system may be determined individually or in combination at any location from <br />their exit from the Valley Leach Facility to the permitted area boundary. However, for <br />compliance purposes, should elevated levels of potential contaminants be indicated by <br />measurements of the system, the compliance point will be located at the location in Arequa <br />Gulch identified as "AG-01.5" at or inside the boundary of Permit M 80-244 unless CC&V <br />demonstrates to the satisfaction of the OMLR that the compliance point can be located elsewhere <br />for any specific set of circumstances. <br />"CNW,,p" refers to the weak acid dissociable component of the cyanide. Measurement is by an <br />
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