Remediation of the Ruddiman Creek Main Branch and Pond Muskegon County, Michigan Great Lakes Legacy Act Program March 2011 U.S. Environmental Protection Agency Michigan Department of Natural Resources Great Lakes National Program Office and Environment 77 West Jackson Boulevard 525 West Allegan Street Chicago, IL 60604-3511 Lansing, MI 48909-7973 U.S. Environmental Protection Agency Great Lakes National Program Office 77 West Jackson Boulevard Chicago, Illinois 60604-3511 Remediation of the Ruddiman Creek Main Branch and Pond Muskegon County, Michigan Great Lakes Legacy Program Prepared for: U.S. Environmental Protection Agency Great Lakes National Program Office 77 West Jackson Boulevard Chicago, Illinois 60604-3511 Michigan Department of Natural Resources and Environment Water Division Constitution Hall South Tower, 2nd Floor 525 West Allegan Street Lansing, Michigan 48933 March 2011 ACKNOWLEDGMENTS ACKNOWLEDGMENTS This document was prepared under the direction of Marc Tuchman, Project Manager, EPA Great Lakes National Program Office and Mike Alexander, Project Manager, Michigan Department of Natural Resources and Environment; Susan Boehme, Coastal Sediment Specialist, Illinois/Indiana Sea Grant College Program; and Louis Blume, Work Assignment and Quality Assurance Manager, EPA Great Lakes National Program Office. The report was prepared by Judith Schofield, Molly Middlebrook Amos, Reina Downing, Ken Miller, Harry McCarty, Rex Bryan, and Elizabeth Benjamin of Computer Sciences Corporation, under EPA Contract Number EP-W-06-046. Significant portions of the text in this report are based on the information in the project report by Environmental Quality Management, Inc., titled Remediation of the Ruddiman Creek Main Branch and Pond, Muskegon, Michigan, September 2006. The Ruddiman Creek Main Branch and Pond Remediation Project was accomplished through the efforts of several project partners. Marc Tuchman, Project Manager, EPA Great Lakes National Program Office and Michael Alexander, Project Manager, Michigan Department of Natural Resources and Environment wish to acknowledge the assistance of the Muskegon Lake Watershed Partnership for the Muskegon Lake Area of Concern and several other local organizations who played an active and key role in all aspects of the project and were strong advocates for their community. March 2011 i REMEDIATION OF RUDDIMAN CREEK MAIN BRANCH AND POND ii March 2011 TABLE OF CONTENTS TABLE OF CONTENTS ACKNOWLEDGMENTS ........................................................................................................... I LIST OF ACRONYMS AND ABBREVIATIONS.......................................................................... IX EXECUTIVE SUMMARY........................................................................................................ XI 1.0 PROJECT DESCRIPTION................................................................................................. 1 1.1 General Site Description..................................................................................... 2 1.2 Site History ......................................................................................................... 4 1.3 Project Objectives ............................................................................................... 7 1.4 Project Funding................................................................................................... 8 1.5 Project Management ........................................................................................... 9 1.5.1 Project Planning, Training, and Permits ................................................. 9 1.5.2 Project Communication, Roles, and Responsibilities ........................... 11 1.5.3 Public Outreach and Community Involvement ..................................... 13 1.6 Data Management Procedures .......................................................................... 14 1.6.1 Data Management ................................................................................. 14 1.6.2 Sediment Confirmation Data ................................................................ 15 1.6.3 Database................................................................................................ 15 1.6.4 Public Access........................................................................................ 16 1.7 Remedial Design and Cleanup Goals ............................................................... 16 1.7.1 Remedial Design ................................................................................... 16 1.7.2 Cleanup Target Levels for Contaminants of Concern .......................... 17 2.0 SITE PREPARATION AND SET UP ................................................................................ 21 2.1 Site Survey and Resource Mobilization............................................................ 21 2.2 Work Area Delineation..................................................................................... 21 2.3 Site Security...................................................................................................... 23 2.4 Site Access........................................................................................................ 23 2.5 Construction of the Creek Dissipation, Diversion and Dewatering Systems ... 24 2.5.1 Headwater Dissipation Structure .......................................................... 25 2.5.2 Dam and Channel Diversion Systems ................................................... 25 2.5.3 Pumping Systems .................................................................................. 27 2.5.4 Sediment Dewatering ............................................................................ 27 2.6 Installation of Containment Measures and Other Structural Devices in Ruddiman Pond ................................................................................................. 28 3.0 DREDGING OPERATIONS AND DISPOSAL OF DREDGED MATERIAL ............................. 31 March 2011 iii REMEDIATION OF RUDDIMAN CREEK MAIN BRANCH AND POND 3.1 Dredging Operations within the Ruddiman Creek Remediation Area ............. 31 3.1.1 Excavation Activities in Areas I, H, and G........................................... 32 3.1.2 Excavation Activities in Areas F and E ................................................ 33 3.1.3 Excavation Activities in Area D ........................................................... 34 3.1.4 Excavation Activities in Area C ........................................................... 35 3.1.5 Excavation Activities in Area B ........................................................... 36 3.1.6 Sediment Removed from Unsurveyed Areas ........................................ 36 3.2 Excavation Operations within the Ruddiman Pond Remediation Area ............ 37 3.3 Transport and Disposal of Contaminated Sediments ........................................ 38 4.0 ENVIRONMENTAL MONITORING OF REMEDIATION ACTIVITY IMPACTS ..................... 43 4.1 Air Monitoring.................................................................................................. 43 4.2 Water Monitoring and Treatment ..................................................................... 46 4.2.1 Surface Water Monitoring .................................................................... 46 4.2.2 Wastewater Monitoring and Treatment ................................................ 48 5.0 SEDIMENT CONFIRMATION SAMPLING AND ANALYSIS .............................................. 51 5.1 Sediment Confirmation Sampling Design ........................................................ 51 5.1.1 Technical Approach to Statistical Sampling Design ............................ 51 5.1.2 Decision Statement ............................................................................... 53 5.1.3 Confirmation Sample Locations ........................................................... 55 5.1.4 Data Interpretation ................................................................................ 55 5.2 Sampling and Analysis ..................................................................................... 56 5.2.1 Sampling Methods ................................................................................ 57 5.2.2 Analytical Methods............................................................................... 58 5.3 Quality of Sediment Confirmation Data ........................................................... 58 6.0 PROJECT RESULTS ...................................................................................................... 61 6.1 Post-Dredging Sediment Confirmation Sample Results in Ruddiman Creek Main Branch...................................................................................................... 61 6.1.1 Post-Primary Dredging Sediment Sample Results for Ruddiman Creek..................................................................................................... 61 6.1.2 Post-Secondary Dredging Sediment Sample Results for Ruddiman Creek..................................................................................................... 63 6.2 Post-Dredging Sediment Confirmation Sample Results in Ruddiman Pond remediation area ................................................................................................ 63 6.2.1 Post-Primary Dredging Sediment Sample Results for Ruddiman Pond ...................................................................................................... 63 6.2.2 Post-Secondary Dredging Sediment Sample Results for Ruddiman Pond 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