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2009-05-19_REVISION - C1980007 (2)
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2009-05-19_REVISION - C1980007 (2)
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Entry Properties
Last modified
8/24/2016 3:46:40 PM
Creation date
5/21/2009 10:07:52 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1980007
IBM Index Class Name
REVISION
Doc Date
5/19/2009
Doc Name
Adequacy Responses (Email)
From
Kathy Welt
To
DRMS
Type & Sequence
MR354
Email Name
DIH
Media Type
D
Archive
No
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Hernandez, Daniel <br />From: Welt, Kathy [KWelt@archcoal.coml <br />Sent: Tuesday, May 19, 2009 5:01 PM <br />To: Hernandez, Daniel <br />Cc: Nolte, Doug; Nyikos, Chris; Sweetwood, Ryan; Paul T. Swenson <br />Subject: RE: MR-354 Questions <br />Below are the responses to your questions. Sorry for the lateness of my reply - they're rebuilding a <br />wall in my office and it's mess here! <br />xathy 'Welt, <br />Environmental Engineer III <br />Mountain Coal Company, LLC <br />West Elk Mine <br />P.O. Box 591 <br />Somerset, CO 81434 <br />Phone (970) 929-2238 <br />Cell (970) 433-1022 <br />Fax (970) 929-5050 <br />From: Hernandez, Daniel [mailto:Daniel.Hernandez@state.co.us] <br />Sent: Tuesday, May 19, 2009 9:49 AM <br />To: Welt, Kathy <br />Subject: MR-354 Questions <br />Hi Kathy - <br />Regarding the boreholes/piezometers/inclinometers proposed under MR-354: <br />• Does MCC intend on submitting the data collected from these piezometers/inclinometers to <br />DRMS? <br />Yes, the initial monitoring data will be used in the design of the East Refuse Pile Expansion <br />(ERPE), so that data will be a part of the TR application. A monitoring program will be proposed by <br />the design engineers in that TR application and will include a plan for submitting subsequent data. <br />• How long does MCC intend on monitoring these piezometers/inclinometers before they will be <br />sealed for final reclamation? <br />I anticipate that each piezometer and inclinometer that is within the footprint of ERPE <br />(projected at this point to include all of them but the southern-most site) will be monitored until such <br />time as the height of the ERPE fill reaches each location. Because the site preparation for the refuse <br />pile will involve the removal of topsoil and soil cover materials, and some locations, excavation for <br />underdrains, the p iezo meters/i ncl i no meters will likely be destroyed when that preparation work <br />occurs. Until then, I expect that monitoring will continue, with data being regularly submitted to the <br />DRMS.
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