Mercury Study Documents Phase I & II Studies

A Penobscot River Mercury Study Panel was appointed by the U.S. District Court for the District of Maine to investigate the condition of the Estuary and the need for remediation. Here are the Phase I and Phase II final study reports and related documents.

Court Orders

• Amended Scheduling Order (November 21, 2019)

• Order Extending Time for Phase III Engineering Report (May 1, 2018)

• Order Extending Time for Phase III Engineering Report (November 14, 2017)

• Selection of Phase III Engineering Firm (January 4, 2016)

• Evaluation of Potential Remedies (October 16, 2015)

• Order on Remediation Plan (September 2, 2015)

• Order Motion to Modify Order of Special Master (June 25, 2009)

• Order Approving Phase II Study Plan (July 2, 2008)

• Order Requiring Study Panel to Revise Phase II Study Plan (April 18, 2008)

• Order Approving Phase I Report (March 7, 2008)

• First Circuit's Decision Affirming the District Court's Liability Decision (December 22, 2006)

• Order Approving Study Plan (August 10, 2005)

• Second Order Amending Implementing Order for Penobscot River Study Pursuant to Mem. of Decision and Order (July 1, 2004)

• Order Amending Implementing Order for Penobscot River Study Pursuant to Mem. of Decision and Order (April 20, 2004)

• Implementing Order for Penobscot River Study Pursuant to Mem. of Decision and Order (November 25, 2003)

• Memorandum of Decision and Order (July 29, 2002)

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The entire District Court docket may be accessed online by searching for case number 1:00-cv-00069-JAW. A Public Access to Court Electronic Records (PACER) account is required to access the Court docket, which can be created here.

Phase II Study​

• Phase II Study Report, April 2013 - Executive Summary and Table of Contents

  • ​Chapter 1 - text

    • Tables and figures

    • Appendix 1-1, Appendix 1-2, Appendix 1-3, Appendix 1-4a, Appendix 1-4b

  • Chapter 2​

  • Chapter 3

  • Chapter 4

  • Chapter 5

  • Chapter 6

  • Chapter 7

  • Chapter 8

  • Chapter 9

  • Chapter 10

  • Chapter 11

  • Chapter 12

  • Chapter 13

  • Chapter 14

  • Chapter 15

  • Chapter 16

  • Chapter 17

  • Chapter 18

  • Chapter 19

  • Chapter 20

  • Chapter 21

  • Chapter 22

  • Chapter 23

• Revised Phase II Study Plan, May 2008

Phase I Study​

• Updated Phase I Report, May 2009

• Penobscot River Mercury Study, Phase I of the Study: 2006-2007, January 2008

• A Study Plan for Evaluation of the Mercury Contamination of the Penobscot River/Estuary, July 2005

Monitoring Reports

• Black Duck Report, March 2014

• 2012 Monitoring Report, December 2013

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HoltraChem Site Investigation and Clean Up

• Corrective Measures Implementation Plan and appendices, June 2016

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Maine Department of Marine Resources

• 2014 Lobster Report, May 2016

• Lobster and Crab Fishing Closures map, 2016