Cleanup Documents and Reports

2020 Corrective Measures Study (CMS) Report Addendum

2019 East Helena Water Resources Monitoring Report

2018 East Helena Groundwater Monitoring Report

2017 East Helena Groundwater Monitoring Report

2015-2016 East Helena Groundwater Monitoring Report

2019 Groundwater and Surface Water Corrective Action Monitoring Plan

Public Meeting Documents

2017 East Helena Groundwater Monitoring Report

2015-2016 East Helena Groundwater Monitoring Report

Presentation: 2018 East Helena Project Groundwater Update

Public Meeting Presentation: East Helena Corrective Measures Study

Notice & Invitation: East Helena Smelter Site Public Meeting & Open House

EHECTIC Meeting Slides

Fact Sheets

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