2012 Prickly Pear Creek Fact Sheet, February 2012

Download the PDF Fact Sheet containing information about:

  • Background
  • Existing Water Control Structures
  • What is the Upper Lake (UL) Aquifer Test?
  • Prickly Pear Creek (PPC) Studies
  • Cleanup Activities and Interim Measures
  • Current Concerns About Prickly Pear Creek (PPC)
  • How Will Clean Up Plans Improve Prickly Pear Creek (PPC)?
  • Interested in More Information?

Jan. 18, 2012 Public Meeting Presentation: Site Cleanup Progress and Redevelopment Planning

Download the Slides from the January 18, 2012 Public Meeting and Open House (11MB PDF)

Download the Proposed Interim Measure for: South Plant Hydraulic Control, East Helena, Montana (7MB PDF)

2011 Final Baseline Ecological Risk Assessment, Dec 2011

Download the Baseline Ecological Risk Assessment (BERA) for the East Helena Site. (59MB PDF)

Feb. 24, 2011 Public Meeting Presentation: Updates on RCRA Corrective Action and CERCLA Yard Cleanup

View the 32 slide presentation from Montana Environmental Trust Group’s Annual Meeting on Feb 24th, 2011. (3.9MB PDF)

Invitation to Feb. 14, 2011 Public Meeting

The Montana Environmental Trust Group (METG) is hosting a meeting to present information and answer questions about the cleanup of soil and groundwater contamination related to the former ASARCO Plant in East Helena. The Environmental Protection Agency, Montana Department of Environmental Quality and Montana Department of Justice will also be available at the meeting.

Thursday, February 24, 2011
6:30 pm to 8:30 pm
East Valley Middle School Library
401 Kalispell Street, East Helena

Please come to meet members of the METG team, find out what is being planned, and ask your questions.

Download the Public Meeting announcement flyer for posting.

2010 Data Management Plan: Phase II RCRA Facility Investigation, Sept 2010

This document was prepared for Montana Environmental Trust Group, LLC by Hydrometrics, Inc. in September 2010.

Download the PDF: Data Mgmt Plan Phase II RFI.pdf

2010 Post-RI/FS Groundwater and Surface Water Field Sampling and Analysis Plan, Sept 2010

2010 Post-RI/FS Groundwater and Surface Water Field Sampling and Analysis Plan for the former ASARCO Smelter Site in East Helena. Download the PDF here.

2010 Phase II RCRA Facility Investigation Site Characterization Work Plan, May 2010

This document was prepared for Montana Environmental Trust Group, LLC by Hydrometrics, Inc. in May 2010. It totals 118 pages and is a 5MB PDF file.

Supporting files:

2010 Quality Assurance Project Plan for Environmental Data Collection Activities, May 2010

This document was prepared for Montana Environmental Trust Group, LLC by Hydrometrics, Inc. in May 2010. It totals 86 pages and is a < 1MB PDF file.

2009 Order Approving Consent Decree and Settlement Regarding Montana Sites, June 2009

Download the Order and Judgment Approving Consent Decree and Settlement Agreement Regarding Montana Sites (PDF)