Site Management Plan

Tioga Castings 754012 Tioga Castings TIOGA, NEW YORK Site Management Plan NYSDEC Site Number: 7-54-012 Prepared for: New York State Department of Environmental Conservation Division of Environmental Remediation 625 Broadway Albany, New York 12233 Prepared by: Arcadis CE, Inc. 855 Route 146 Suite 210 Clifton Park, New York 12065 518.250.7300 Revisions to Final Approved Site Management Plan: Revision # Submitted Date Summary of Revision DEC Approval Date FEBRUARY 2020 Tioga Castings 754012 TABLE OF CONTENTS Table of Contents .............................................................................................................. ii List of Tables .................................................................................................................... vi List of Figures .................................................................................................................. vii List of Appendices .......................................................................................................... viii Site Management Plan ...................................................................................................... 1 1.0 Introduction and Description of Remedial Program ............................................... 1 1.1 Introduction ................................................................................................................. 1 1.1.1 General ................................................................................................................... 1 1.1.2 Purpose ................................................................................................................... 2 1.1.3 Revisions ................................................................................................................ 3 1.2 Site Background .......................................................................................................... 3 1.2.1 Site Location and Description ................................................................................ 3 1.2.2 Site History ............................................................................................................. 3 1.2.3 Geologic Conditions ............................................................................................... 7 1.3 Summary of Remedial Investigation Findings ......................................................... 8 1.4 Summary of Remedial Actions .................................................................................. 9 1.4.1 Removal of Contaminated Materials from the Site ................................................ 9 1.4.2 Site-Related Treatment Systems ............................................................................ 9 1.4.3 Remaining Contamination ..................................................................................... 9 2.0 Engineering and Institutional Control Plan ........................................................... 11 2.1 Introduction ............................................................................................................... 11 ii Tioga Castings 754012 2.1.1 General ................................................................................................................. 11 2.1.2 Purpose ................................................................................................................. 11 2.2 Engineering Controls ................................................................................................ 11 2.2.1 Engineering Control Systems ............................................................................... 11 2.2.2 Criteria for Completion of Remediation/Termination of Remedial Systems ...... 12 2.3 Institutional Controls ............................................................................................... 12 2.3.1 Excavation Work Plan .......................................................................................... 13 2.3.2 Soil Vapor Intrusion Evaluation ........................................................................... 14 2.4 Inspections and Notifications ................................................................................... 15 2.4.1 Inspections ............................................................................................................ 15 2.4.2 Notifications ......................................................................................................... 16 2.5 Contingency Plan ...................................................................................................... 17 2.5.1 Emergency Telephone Numbers .......................................................................... 17 2.5.2 Map and Directions to Nearest Health Facility .................................................... 18 2.5.3 Response Procedures ............................................................................................ 20 3.0 Site Monitoring Plan ................................................................................................. 21 3.1 Introduction ............................................................................................................... 21 3.1.1 General ................................................................................................................. 21 3.1.2 Purpose and Schedule........................................................................................... 21 3.2 Cover System Monitoring ........................................................................................ 22 3.3 Media Monitoring Program ..................................................................................... 23 3.3.1 Groundwater Monitoring...................................................................................... 23 3.3.1.1 Sampling Protocol ............................................................................................. 23 3.3.1.2 Monitoring Well Repairs, Replacement and Decommissioning ....................... 24 3.4 Site-Wide Inspection ................................................................................................. 24 3.5 Monitoring Quality Assurance/Quality Control .................................................... 25 3.6 Monitoring Reporting Requirements ...................................................................... 25 iii Tioga Castings 754012 4.0 Operation and Maintenance Plan............................................................................ 28 4.1 Introduction ............................................................................................................... 28 4.2 Maintenance and Performance Monitoring Reporting Requirements ................ 28 4.2.1 Routine Maintenance Reports .............................................................................. 28 4.2.2 Non-Routine Maintenance Reports ...................................................................... 29 5.0 Inspections, Reporting and Certifications ............................................................. 30 5.1 Site Inspections .......................................................................................................... 30 5.1.1 Inspection Frequency ........................................................................................... 30 5.1.2 Inspection Forms, Sampling Data, and Maintenance Reports ............................. 30 5.1.3 Evaluation of Records and Reporting .................................................................. 30 5.2 Certification of Institutional Controls .................................................................... 31 5.3 Periodic Review Report ............................................................................................ 32 5.4 Corrective Measures Plan ........................................................................................ 33 6.0 References .................................................................................................................. 35 Tables ............................................................................................................................... 36 Figures .............................................................................................................................. 37 Appendix A – Excavation Work Plan ........................................................................... 38 Appendix B – Responsibilites of Owner and Remedial Party .................................... 48 Appendix C – Environmental Notice ............................................................................ 52 Appendix D – Health and Safety Plan........................................................................... 53 iv Tioga Castings 754012 Appendix E – Field Forms ............................................................................................. 54 Appendix F – Quality Assurance Project Plan............................................................. 55 v Tioga Castings 754012 LIST OF TABLES Table 1 - Soil Cleanup Objectives for the Site Table 2 - Emergency Contact Numbers Table 3 - Other Contact Numbers Table 4 - Monitoring/Inspection Schedule Table 5 - Groundwater Analytical Summary - Metals Table 6 - Groundwater Analytical Summary - Emerging Compounds Table 7 - Schedule of Monitoring/Inspection Reports vi Tioga Castings 754012 LIST OF FIGURES Figure 1 - Figure of Site Figure 2 - Site Boundaries Figure 3 - Groundwater Flow Figure Figure 4 - Metals Exceedance in Groundwater vii Tioga Castings 754012 LIST OF APPENDICES Appendix A - Excavation Work Plan Appendix

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