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Valmont Butte- Project Documents

Valmont Butte- Project Documents

The city has worked to compile and post all documents involving the past and present environmental conditions of the Valmont Butte property on this webpage. You may also visit the main project page for more recent and current information.

Valmont Butte Project Documents (2012 to 2014)

These documents are available for copy. Please contact Joe Castro at 303-441-3163 or email [email protected]

Date Title
Nov. 18, 2014 Valmont Butte Remediation Extension Request pdf
Nov. 6, 2014 City Council Study Session Summary pdf
Sept. 23, 2014 City Council Study Session Memo pdf
Feb. 24, 2014 Valmont Butte No Action Determination pdf
Jan. 15, 2014

Valmont Butte Property Construction Completion Report pdf

Dec. 3, 2012 Second Reading Second and Final Budget Supplemental pdf
Nov. 15, 2012 First Reading Second and Final Budget Supplemental pdf
Nov. 13, 2012 Valmont Butte 2013 Extension Approval Letter pdf
May 4, 2012 EPA Letter to Valmont Cemetery and Rocky Mountain Peace and Justice Center pdf
May 3, 2012 Sheriff's Office Report pdf
April 12, 2012 City Council Information Packet Memo pdf
April 3, 2012 CDPHE Letter to Valmont Cemetery pdf
April 2012 Photographs and Information From the Archaeologist's Assessment pdf

Valmont Butte Project Documents (2007 to 2012)

These documents are available for copy. Please contact Joe Castro at 303-441-3163 or email  [email protected]

Date Title
Feb. 2, 2007 Final report for Valmont Butte hazardous and industrial waste removal and disposal - summary spreadsheet
July 11, 2007 Letter to CDPHE requesting an extension on the cap restoration project
July 31, 2007 Letter from CDPHE granting cap restoration project extension
Nov. 16, 2007 Health and Safety Plan for Valmont Butte Prairie Dog Barrier Fence and Relocation (Includes Addendums I and II)
Dec. 21, 2007 Letter from the City of Boulder in response to the concerns presented by the Rocky Mountain Peace and Justice Center
May 15, 2008 City Council Study Session Memo
May 16, 2008 Appraisal of Valmont Butte
This document has been broken down into smaller sections for easier viewing.
Title Page and Letter of Transmittal Table of Contents
Subject Photographs
Page 1 - Summary of Salient Facts and Conclusions
Pages 2 - 8
Special Considerations - Page 2
Identification of the Property - Page 5
Legal Description - Page 6
Use and Intended Users of the Appraisal - Page 6
Scope of Work - Page 6 Type and Definition of Value - Page 7
Property Rights Appraised - Page 8
Date of Value - Page 8
Pages 9 - 18
Ownership and Property History - Page 9 Regional and City Data - Page 9
Pages 19 - 23
Neighborhood Data - Page 19
Zoning - Page 20
Pages 24 - 44
Assessed Value and Taxes - Page 24
Site Description - Page 24
Description of the Improvements - Page 27
Highest and Best Use - Page 27
Appraisal Procedure - Page 30
Land Valuation - Page 32
Exposure and Marketing Time - Page 44
Pages 45 - 46: Certification of Value
Pages 47 - 48: Assumptions and Limiting Conditions
Page 49 - Qualifications of W. West Forester
Exhibit A - Photographs of the Cardinal Mill 
Exhibit B - Photographs of Tommy Jones' Stage Stop
Aug. 18, 2008 City Council Meeting to discuss extending the agreement with TPL and whether or not to accept the appraisal price
Meeting Agenda Item Cancelled by Council Agenda Committee because there was not enough information from TPL at that time to move forward. The option agreement with TPL expired on Aug. 18, 2008.
Oct. 29, 2008 On Oct. 29, 2008 the City of Boulder, with consultant Nature's Balance, began the removal of prairie dogs from the tailing pond area of the Valmont Butte site.
Dec. 3, 2008 An additional Extension Request was sent to the CDPHE on Dec. 3, 2008.
Dec. 15, 2008 The additional extension request was approved by the Colorado Department of Health and Environment (CDPHE) on Dec. 15, 2008.
Dec. 2008 Installation of additional Prairie Dog barrier fencing was completed in December 2008.
Jan. 15, 2009 Weekly Information Packet submitted to City Council on Jan. 15, 2009 providing an information update on the Valmont Butte Property.
March 10, 2009 Letter to Casey Resources from CDPHE regarding the work plan for Valmont Butte
March 12, 2009 Information update on Valmont Butte Developments from City Attorney Office to City Council
Letter to CDPHE from Casey Resources, Inc. regarding work plan for identification and confirmation of soils requiring long term management

Preliminary Voluntary Cleanup Schedule from Casey Resources, Inc.
April 20, 2009 Response to the Colorado Department of Public Health and Environment, "Comments on Draft Work Plan for Valmont Butte Property"
May 13, 2009 Letter to CDPHE and revised Work Plan for identification and confirmation of soils requiring long-term management
May 23, 2009 Health and Safety Plan for Identification and Confirmation of Soils Requiring Long-term Management
May 2009 CDPHE approval of May 13, 2009 Work Plan
Oct. 1, 2009 Permit for lethal control of prairie dogs
Nov. 24, 2009 Identification and Confirmation of Soils Requiring Long Term Management
Investigation report performed by Casey resources. Not all attachments are included in the posted report in order to make it downloadable. If you would like a copy of the report in its entirety, please contact Bill Boyes at 303-441-4125 and leave your name, mailing address, and telephone number. The report will mailed to you on a CD.
Dec. 14, 2009 Addendum No. 1 to Identification and Confirmation of Soils Requiring Long Term Management
Feb. 3, 2010 Response to CDPHE request for written report of actions and activities relating to Valmont Butte during 2009
March 29, 2011 Limited Impact Special Use Review Application (sent to Boulder County)
Aug. 25, 2011 Valmont Butte Archaeological Monitoring and Discovery Plan
Valmont Butte Archaeological Monitoring Map
Directory of Cultural Resource Management Agencies, Consultants, and Personnel for Colorado
CO CRS 24-80 1301-1305: Historical, Prehistorical, and Archaeological Resources
25 USC 3001-301: Native American Graves Protection and Repatriation
CO 8CCR 1504-7: Historical, Prehistorical, and Archaeological Resources Act
April 2012 Archaeologist Assessment (New Rock Feature)
Sheriff's Office Report (New Rock Feature)
CDPHE letter to Valmont Cemetery
May 2012 EPA letter to Valmont Cemetery and Rocky Mountain Peace and Justice Center

Valmont Butte Project Documents (1985 to 2006)

Date Title
March 5, 1985 Sampling Activities Report for Allied Chemical Tailings Pond
Oct. 12, 1999 Agreement and Declaration of Covenants

Colorado Department of Public Health and Environment (CDPHE) termination letter on Hendricks Mining Co. Radioactive Materials License 329-01

First Amendment to the Agreement and Declaration of Covenants for the Valmont Butte Property dated Oct. 12, 1999
Sept. 5, 2000

Purchase Documents for Valmont Butte
Statement of Settlement for Buyer
Owner's Policy of Title Insurance

Sept. 18, 2000 Phase I Environmental Site Assessment for Valmont Butte Property
Aug. 7, 2001 *Asbestos abatement for Valmont Butte mill building
May 4, 2005 Letter from Medicine Wheel Coalition for Sacred Sites of North America naming Gary Brown as the tribal monitor for the City of Boulder.
June 29, 2004 Letter from EPA to the City Manager
Jan. 6, 2005 > EPA Analytical Results Report for Site Reassessment for Valmont Butte/Allied Piles site>
Appendices A through I for this document are available for public viewing at the Facilities and Asset Management office in downtown Boulder.
Please contact Bill Boyes at 303-441-4125 to schedule a time to see them.
Feb. 24, 2005 Environmental Protection Agency letter - RE: Recommended next steps at the Valmont Butte/Allied Piles site
March 4, 2005 Valmont Butte Community Environmental Assessment Process (CEAP) Report
Dec. 16, 2005 City of Boulder proposed cleanup actions for Valmont Butte/Allied Piles site
Jan. 4, 2006 CDPHE response to the City of Boulder proposed cleanup actions for Valmont Butte/Allied Piles site
April 21, 2006 City of Boulder response to CDPHE request for changes to the proposed cleanup actions for Valmont Butte/Allied Piles site

City of Boulder request for site specific arsenic clean up level of 10mg/kg for Valmont Butte/Allied Piles sit
May 2, 2006 Results from prairie dog soil and tissue samples and request for concurrence for further input for Valmont Butte
May 4, 2006 CDPHE response to City of Boulder clean up actions after requests from CDPHE were made and accepted by City of Boulder

DPHE response to City of Boulder request for site specific arsenic clean up levels of 10mg/kg for Valmont Butte/Allied Piles
May 8, 2006 DPHE response to City of Boulder request to relocate prairie dogs from Valmont Butte site

Key Documents from Boulder County Public Health Department

Date Title
Feb. 1, 1966 Colorado Department of Public Health and Environment (CDPHE) lab report
Feb. 22, 1966 CDPHE lab results for Radium 226
Nov. 22, 1966 CDPHE Industrial Waste Inventory documents
March 31, 1967 Water samples taken by CDPHE from Valmont site and four nearby residences
Oct. 2, 1969 Letter from CDPHE to Allied Chemical Corp. - Water samples from 6188 Valmont Road
March 30, 1970 Boulder County Public Health Department provided information to Allied Chemical on options to dispose of 30 gallon drum of old sodium cyanide. (no additional information found in file on actual disposal method used)
Nov. 10, 1970 Letter from CDPHE to Allied Chemical reporting lab results on water samples taken at Valmont Butte and 8 nearby residences
Aug. 22, 1972 CDPHE letter to Allied Chemical requesting that Allied check how much water is being discharged to the Public Service ponds and notifying them that CDPHE intends to collect water samples. (no additional information in file on results of water samples)
March 8, 1973 Boulder County Public Health "Special Environmental Health Report" stating that they are responding to a complaint made by the Sheriff's Department that Allied Chemical is discharging chemicals into the ditch
Sept. 12, 1973 Boulder County Public Health Department letter regarding inspection of waste disposal aspects of their operations
Aug. 25, 1975 Letter from Derald Lang, District Engineer, Water Quality Control Division to Mr. Charles Fountain regarding design of a wastewater equalization-holding pond for Allied Chemical
Sept. 6, 1979 Water sample taken from 6327 Valmont Road residence taken by CDPHE
Sept. 6, 1979 Water sample from 6379 Valmont Road residence taken by CDPHE
Nov. 10, 1981 Boulder County Public Health Department sampled water at Miller residence at owner's request
Jan. 18, 1982 Water samples from Miller residence
Aug. 12, 1982 Letter from EPA to Mr. Roger Fell requesting information on surface water use in the vicinity of Valmont Butte
Aug. 18, 1982 Excerpt from EPA letter for a "Sampling Plan" at Valmont
Sept. 14, 1982 Radiological survey of tailings ponds conducted by Boulder County Health Department
1983 Draft "Notice of Claim" against Allied Chemical Corp. by CDPHE (no signatures on document)
Feb. 11, 1983 Strategic Metals letter requesting Boulder County Health Department approve placement of wastes in the Valmont tailings ponds
Feb. 15, 1983 Letter from Hendricks Milling to CDPHE
Feb. 15, 1983 Letter from CDPHE to Hendricks Milling allowing them to accept waste from Strategic Metals
Feb. 25, 1983 CDPHE inter-office communication
April 14, 1983 CDPHE sample results of soil samples taken at Strategic Metals
April 19, 1983 CDPHE letter to Hendricks Milling indicating sample results of Strategic Metals are above the EPA toxic limit for lead and cadmium and Hendricks is no longer authorized to accept the waste
June 4, 1984 Radiation samples taken by an unknown organization of sites in Boulder County
June 27, 1984 Water sample taken by CDPHE at 6327 Valmont Road (Miller residence)
June 27, 1984 Water sample taken by CDPHE at 6379 Valmont Road (Keeter residence)
March 5, 1985 Boulder County Health Department notes about conversation with EPA about water samples taken by EPA and CDPHE at Valmont Butte and nearby residences
Oct. 6, 1999 CDPHE "Decision Analysis" of Valmont Butte for "Assurance of Equivalent Protection to Public Health and Environment In the Absence of a Colorado Radioactive Materials License

Revised Work Plan and Health and Safety Plan for Identification and Confirmation of Soils Requiring Long-term Management

2007/2008 CDPHE Extension Request Documentation

Other Boulder County Public Health Department (BCPHD) documents

Information Packets sent to City Council regarding Valmont Butte

Additional Background Documents

A CD sent to the city from the Environmental Protection Agency (EPA)in response to its Freedom of Information Act (FOIA) request can be viewed upon request. Contact Bill Boyes at 303-441-4125 if you would like to view this informational CD.

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