OCCIDENTAL CHEMICAL CORPORATION PROPERTY LAKE ONTARIO ORDNANCE WORKS PORTER, NEW YORK

Transcription

1 OCCIDENTAL CHEMICAL CORPORATION PROPERTY LAKE ONTARIO ORDNANCE WORKS PORTER, NEW YORK Defense Environmental Restoration Program for Formerly Used Defense Sites Proposed Plan Public Meeting January 11, 2017

2 WELCOME! AGENDA 2 Introductions Background Information Evaluation of Remedial Alternatives and Selection of Preferred Alternative Public Comments

3 STAKEHOLDERS 3 Community U.S. Department of the Army U.S. Army Corps of Engineers U.S. Environmental Protection Agency New York State Department of Environmental Conservation

4 ACRONYMS 4 AOC CERCLA COC DERP-FUDS DoD EU LOOW mg/kg OCCP Area of Concern Comprehensive Environmental Response, Compensation, and Liability Act Constituent of Concern Defense Environmental Restoration Program for Formerly Used Defense Sites Department of Defense Exposure Unit Lake Ontario Ordnance Works milligrams/kilogram Occidental Chemical Corporation Property

5 DERP-FUDS MISSION Protect human health and the environment Identify Investigate Clean up or control DoDrelated material 5

6 6 LOCATION Lake Ontario Niagara River Lake Ontario Ordnance Works with Easements Buffer Zone Balmer Road Creek Road Pletcher Road Lewiston Senior Center Developed Zone Swann Road Occidental Chemical Corporation Property (OCCP)

7 CERCLA PROCESS FOR DERP-FUDS 7 Pre-Investigation Phase Site Discovery Investigation Phase Remedial Investigation Remedial Action Phase Remedial Design Preliminary Assessment Site Inspection Feasibility Study Proposed Plan Remedial Action Long-term Management (If necessary) Decision Document

8 OCCP CERCLA PROCESS TIMELINE Preliminary Assessment Phase 2 Remedial Investigation LOOW Small-Bermed Clearing Investigation Phase 3 Remedial Investigation LOOW Remedial Investigation OCCP Feasibility Study OCCP EU 8 (AOC 1) Proposed Plan OCCP

9 N Balmer Road Porter Lewiston OCCIDENTAL CHEMICAL CORPORATION PROPERTY AREAS OF CONCERN 9

10 10 N Balmer Road AREA OF CONCERN 1 Porter Lewiston

11 N AOC 1 RISK- BASED SOIL REMEDIATION GOALS TNT 18 mg/kg Lead 400 mg/kg 11

12 12 OCCIDENTAL CHEMICAL CORPORATION PROPERTY REMEDIAL ALTERNATIVES EVALUATION AND SELECTION OF PREFERRED ALTERNATIVE

13 CERCLA EVALUATION CRITERIA 13 Threshold Balancing Modifying Long-term effectiveness and permanence Alternatives Protection of human health and the environment Compliance with applicable or relevant and appropriate requirements Reduction of toxicity, mobility or volume through treatment Short-term effectiveness Implementability Community acceptance State acceptance Selected Remedy Cost

14 APPLICABLE OR RELEVANT AND APPROPRIATE REQUIREMENTS (ARARS) 14 Potential Action-Specific ARARs: Resource Conservation and Recovery Act Design and Operating Requirements Subpart N (40 CFR ) Land Disposal Restrictions Subpart D (40 CFR )

15 REMEDIAL ALTERNATIVES 15 1 No Action - (screened out) 2: Land-Use Controls 3: Landfill Cap 4: Excavation and Off-Site Disposal 5: In Situ Chemical Reduction/Oxidation and Stabilization

16 ALTERNATIVE 2: LAND-USE CONTROLS Fence & Signage CERCLA Balancing Criteria Short-Term Effectiveness Long-Term Effectiveness and Permanence High Low Reduction of Low Toxicity, Mobility, and Volume Through Treatment Implementability Moderate Total Cost $3,000,000 16

17 ALTERNATIVE 3: LANDFILL CAP 17 Enhanced for visual clarity

18 ALTERNATIVE 3: LANDFILL CAP 18 CERCLA Balancing Criteria Short-Term Effectiveness Long-Term Effectiveness and Permanence High Moderate Reduction of Moderate Toxicity, Mobility, and Volume Through Treatment Implementability Moderate Total Cost $5,500,000

19 ALTERNATIVE 4: EXCAVATION AND OFF-SITE DISPOSAL 19 CERCLA Balancing Criteria Short-Term Effectiveness Long-Term Effectiveness and Permanence High High Reduction of High Toxicity, Mobility, and Volume Through Treatment Implementability High Total Cost $846,000

20 ALTERNATIVE 5: IN SITU CHEMICAL REDUCTION/OXIDATION AND STABILIZATION Debris Treat soil Place Back CERCLA Balancing Criteria Short-Term Effectiveness Long-Term Effectiveness and Permanence High Moderate Reduction of High Toxicity, Mobility, and Volume Through Treatment Implementability Moderate Total Cost $6,371,000 20

21 COMPARATIVE ANALYSIS 21 CERCLA Balancing Criteria Short-Term Effectiveness Long-Term Effectiveness and Permanence Reduction of Toxicity, Mobility, or Volume Through Treatment Alt 2: Land- Use Controls Alt 3: Landfill Cap Alt 4: Excavation and Off-Site Disposal Alt 5: In Situ Chemical Reduction/ Oxidation and Stablilization High High High High Low Moderate High Moderate Low Moderate High High Implementability Moderate Moderate High Moderate Total Cost $3,049,000 $5,510,000 $846,000 $6,371,000

22 PREFERRED ALTERNATIVE: ALTERNATIVE 4: EXCAVATION AND OFF-SITE DISPOSAL 22 CERCLA Balancing Criteria Short-Term High Effectiveness Long-Term High Effectiveness and Permanence Reduction of High Toxicity, Mobility, and Volume Through Treatment Implementability High Total Cost $846,000

23 OCCIDENTAL CHEMICAL CORPORATION PROPERTY PATH FORWARD Public Comments 23 Decision Document and Responsiveness Summary Remedial Design/Remedial Action Response Complete

24 COMMENT PERIOD 24

25 ADMINISTRATIVE RECORD LOCATIONS Lewiston Public Library Youngstown Free Library 305 South Eighth Street 240 Lockport Street Lewiston, New York Youngstown, New York By Appointment: U.S. Army Corps of Engineers 1776 Niagara Street Buffalo, New York (Option 4) RESPONSES TO COMMENTS We will respond to oral and written comments on the proposed plan in the responsiveness summary of the record of decision. Your comments will become part of the official record and be placed in the administrative record. 25

26 OPERATING PRINCIPLES FOR COMMENTING Stenographer will be recording proceedings. One person speaks at a time. Please use the microphone when speaking. State your name and affiliation. Speakers are limited to three minutes to allow everyone an opportunity to speak. Limit subject to the proposed plan. 26

27 PROVIDE COMMENTS Written comments should be postmarked by February 7, 2017, and mailed to: 27 U.S. Army Corps of Engineers, Buffalo District Special Projects Branch 1776 Niagara Street Buffalo, NY or send an by close of business February 7, 2017, to: please include Occidental Chemical Corporation Property Proposed Plan in the subject line.

28 28 FOR MORE INFORMATION DERP-FUDS Questions By phone: (Option 4) By By writing: U.S. Army Corps of Engineers, Buffalo District Special Projects Branch Environmental Project Management Team 1776 Niagara Street Buffalo, NY On the web:

29 29 Thank you for your participation!