Site Management Plan 402 & 430 Buffalo Avenue Site BCP Site No. C932164 Niagara Falls, New York Revised December 2015 0294-013-001 Prepared For: Merani Hospitality, Inc. Prepared By: In Association With: B n vi ronmental ng i neeri n g cience, 2558 Hamburg Turnpike, Suite 300, Buffalo, New York 14218 | phone: (716) 856-0599 | fax: (716) 856-0583 BROWNFIELD CLEANUP PROGRAM SITE MANAGEMENT PLAN 402 and 430 BUFFALO AVENUE SITE NYSDEC SITE NUMBER: C932164 NIAGARA FALLS, NEW YORK Revised December 2015 0294-013-001 Prepared for: Merani Hospitality, Inc. 7001 Buffalo Avenue Niagara Falls, New York Prepared By: B Benchmark Environmental Engineering & Science, PLLC nvironmen tal ngineering 2558 Hamburg Turnpike, Suite 300 cence,i Buffalo, NY 14218 (716) 856-0599 In Association With: TurnKey Environmental Restoration, LLC 2558 Hamburg Turnpike, Suite 300 Buffalo, NY 14218 (716) 856-0635 Revisions to Final Approved Site Management Plan: Revision # Submitted Date Summary of Revision DEC Approval Date SITE MANAGEMENT PLAN 402 and 430 BUFFALO AVENUE SITE Table of Contents ES EXECUTIVE SUMMARY…………………………………………………………..ES1 1.0 INTRODUCTION ...................................................................................................... 1 1.1 General .........................................................................................................................1 1.2 Revisions ......................................................................................................................2 1.3 Notifications .................................................................................................................2 2.0 SUMMARY OF PREVIOUS INVESTIGATION & REMEDIAL ACTIONS ....................... 5 2.1 Site Location and Description ......................................................................................5 2.2 Physical Setting ............................................................................................................5 2.2.1 Land Use ......................................................................................................................................... 5 2.2.2 Geology ............................................................................................................................................. 6 Overburden ....................................................................................................................... 6 Bedrock ............................................................................................................................ 6 2.2.3 Hydrogeology ..................................................................................................................................... 7 2.3 Investigation History ....................................................................................................7 2.3.1 November 2013 Limited Phase II Environmental Investigation Report and December 2013 Supplemental Phase II Site Assessment .......................................................................................................... 7 2.3.2 September 2014 – 401 Buffalo Avenue Supplemental Investigation .................................................. 8 2.3.3 BCP Remedial Investigation (RI) ...................................................................................................... 8 Transformer Room - PCB Investigation Results ................................................................ 8 Site-Wide Gamma Walkover ........................................................................................... 9 Soil/Fill Investigation Results .......................................................................................... 9 Groundwater Investigation Results .................................................................................... 9 2.4 Remedial History .......................................................................................................10 2.4.1 401 Buffalo Avenue – Interim Remedial Measures ......................................................................... 10 Chemical Waste ............................................................................................................. 10 Radiologic Material Activities ......................................................................................... 10 Petroleum- Impacted Soil/Fill Activities ......................................................................... 11 Metals Impacted Soil/Fill Activities .............................................................................. 11 Transformer Room – PCB Activities ............................................................................. 12 2.4.2 402 and 430 Buffalo Avenue Interim Remedial Measures .............................................................. 13 430 Buffalo Avenue IRM – TP-3 Excavation Area .................................................... 13 402 Buffalo Avenue IRM - Radiologic Material Activities. ........................................... 13 2.5 Remedial Action Objectives ......................................................................................14 2.5.1 Soil: ................................................................................................................................................ 14 2.5.2 Groundwater: .................................................................................................................................. 14 2.6 Remaining Contamination .........................................................................................14 2.6.1 Remaining On-Site Soil/Fill .......................................................................................................... 15 2.6.2 Remaining On-Site Groundwater .................................................................................................... 15 3.0 INSTITUTIONAL & ENGINEERING CONTROL PLAN ............................................ 16 3.1 General .......................................................................................................................16 3.2 Institutional Controls .................................................................................................16 i 0294-013-001 B T K SITE MANAGEMENT PLAN 402 and 430 BUFFALO AVENUE SITE Table of Contents 3.3 Engineering Controls .................................................................................................17 3.3.1 Cover System ................................................................................................................................... 17 3.3.2 Criteria for Completion of Remediation/Termination of Remedial Systems ...................................... 18 Cover System .................................................................................................................. 18 4.0 MONITORING PLAN .............................................................................................. 19 4.1 General .......................................................................................................................19 4.2 Cover System Inspection ...........................................................................................19 5.0 OPERATION & MAINTENANCE PLAN .................................................................. 21 5.1 General .......................................................................................................................21 6.0 PERIODIC ASSESSMENTS/EVALUATIONS ............................................................. 22 6.1 Climate Change Vulnerability Assessment ...............................................................22 6.2 Green Remediation Evaluation ..................................................................................22 6.3 Remedial System Optimization .................................................................................23 7.0 REPORTING REQUIREMENTS ............................................................................... 24 7.1 Site Management Reports ..........................................................................................24 7.2 Periodic Review Report .............................................................................................26 7.2.1 Certification of Institutional and Engineering Controls .................................................................... 27 7.3 Corrective Measures Work Plan ................................................................................28 8.0 REFERENCES ........................................................................................................ 29 ii 0294-013-001 B T K SITE MANAGEMENT PLAN 402 and 430 BUFFALO AVENUE SITE LIST OF TABLES Table 1 Notifications (In Text) Table 2 Summary of RI PCB Wipe Sample Results Table 3 Summary of RI Surface Soil Analytical Results Table 4 Summary of RI Subsurface Soil Analytical Results Table 5 Summary of RI Groundwater Analytical Results Table 6 Petroleum Area IRM Post Excavation Analytical Results Table 7 401 Buffalo Avenue IRMs Post Excavation Soil Analytical Results Table 8 Transformer Room – Post Excavation Soil Analytical Results Table 9 Transformer Room – Post-Remedial Wipe Sampling Results Table 10 430 Buffalo Avenue TP-3 IRM Post Excavation Soil Analytical Results Table 11 Remaining on-Site Soil Above Unrestricted Use SCOs Table 12 Reporting Summary/Schedule (In Text) LIST OF FIGURES Figure 1 Site Location Map Figure 2 Site Plan (Aerial) Figure 3 Groundwater Isopotential Map Figure 4 RI Sample Locations Figure 5A 401 Buffalo Avenue IRM Activities Figure 5B Transformer Room