https://www.mtenvironmentaltrust.org/newsite/wpinhere/wp-content/uploads/2016/04/METG-logo-transparent.png00projects@coldspringdesign.comhttps://www.mtenvironmentaltrust.org/newsite/wpinhere/wp-content/uploads/2016/04/METG-logo-transparent.pngprojects@coldspringdesign.com2012-09-22 19:30:112025-03-23 09:48:552012 Final Interim Measures Work Plan–Conceptual Overview of Proposed Interim Measures, Sept 2012
https://www.mtenvironmentaltrust.org/newsite/wpinhere/wp-content/uploads/2016/04/METG-logo-transparent.png00projects@coldspringdesign.comhttps://www.mtenvironmentaltrust.org/newsite/wpinhere/wp-content/uploads/2016/04/METG-logo-transparent.pngprojects@coldspringdesign.com2012-04-27 09:25:212025-03-23 09:50:472012 Opportunities & Constraints Plans – Redevelopment Planning Studies for East Helena Smelter, April 2012
https://www.mtenvironmentaltrust.org/newsite/wpinhere/wp-content/uploads/2016/04/METG-logo-transparent.png00projects@coldspringdesign.comhttps://www.mtenvironmentaltrust.org/newsite/wpinhere/wp-content/uploads/2016/04/METG-logo-transparent.pngprojects@coldspringdesign.com2011-12-04 15:06:252025-03-23 09:57:482011 Final Baseline Ecological Risk Assessment, Dec 2011
2012 Draft Preliminary Redevelopment Concepts, Oct 2012
2012 Upper Lake Drawdown Test – Draft Technical Memorandum, Sept 2012
2012 Final Interim Measures Work Plan–Conceptual Overview of Proposed Interim Measures, Sept 2012
2012 Opportunities & Constraints Plans – Redevelopment Planning Studies for East Helena Smelter, April 2012
2011 Final Baseline Ecological Risk Assessment, Dec 2011
2010 Data Management Plan: Phase II RCRA Facility Investigation, Sept 2010