My WebLink
|
Help
|
About
|
Sign Out
Home
Browse
Search
GENERAL54889
DRMS
>
Back File Migration
>
General Documents
>
GENERAL54889
Metadata
Thumbnails
Annotations
Entry Properties
Last modified
8/24/2016 8:40:01 PM
Creation date
11/23/2007 9:54:29 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981013
IBM Index Class Name
General Documents
Doc Date
12/30/2002
Doc Name
2002 Annual Methane Assessment Report Letter
From
Peak Project Management
To
DMG
Permit Index Doc Type
General Correspondence
Media Type
D
Archive
No
There are no annotations on this page.
Document management portal powered by Laserfiche WebLink 9 © 1998-2015
Laserfiche.
All rights reserved.
/
2
PDF
Print
Pages to print
Enter page numbers and/or page ranges separated by commas. For example, 1,3,5-12.
After downloading, print the document using a PDF reader (e.g. Adobe Reader).
View images
View plain text
Peak Project Management, LLC <br />3800 County Road 63.9 <br />Trinidad, CO 87082 <br />Telephone/Fax: (719) 848-4975 <br />Cell: (719) 859-0111 <br />e-mail: ronthompsonQsensonics.org <br />December 27, 2002 <br />Mr. Kent Gorham <br />Division of Minerals and Geology <br />1313 Sherman St., Rm. 215 <br />Denver, CO 80203 <br />Re: Golden Eagle Mine <br />2002 Annual Report -Methane Assessment <br />Dear Mr. Gorham: <br />RE~F~~RD <br />DES 3 ~ ?~? <br />Division of Miners/send DeelB9Y <br />Enclosed is the Annual Report, Methane Assessment Golden Eagle Mine Area. The report presents field <br />monitoring data from project inception though 2002. The report primarily addresses the area east of the <br />Golden Eagle Mine. Data from the Chavez property is also included (monitoring points B26, B27, B28, <br />B36, B37, and B38). <br />East Area <br />The report concludes that "since the two CBM wells have been reclaimed in October 2000, levels of <br />methane in the surface soils have been decreasing." Further, the report proposes "to terminate all future <br />monitoring since the area is not the responsibility of the mine" because the cause is attributed to the two <br />CBM wells and the area lies outside the permit boundary. <br />Basin concurs with the reports conclusions. Of the 32 monitoring sites in the area east of the mine, 15 sites <br />have documented methane concentrations to have decreased from 75-100% methane to less than 0.9% <br />methane, six sites exhibited decreases in methane concentrations by 10% to 50%, with the remaining <br />eleven sites decreasing in methane concentrations by 10-25%. Basin also concurs with the <br />recommendation to discontinue monitoring. The project was begun to determine if mining was [he cause <br />of methane migrating into the soils. Results indicate [hat mining is not the cause. However, Basin intends <br />to monitor these sites one more time (in August of 2003). <br />Chavez Property <br />Methane accumulations in the soil surrounding an exploration drill site on the Chavez property exhibited <br />concentrations of 19-75% methane when monitored in 1999. The presence of methane was attributed to <br />an incomplete abandonment of the exploration drill hole located within the affected area. Basin committed <br />to and in November 2001 redrilled and pressure-grouted this borehole. Grouting was completed in phases <br />[o insure that the grout would not be washed out by groundwater (encountered in several water bearing <br />zones). <br />
The URL can be used to link to this page
Your browser does not support the video tag.