ffs remedial alternatives presentation
TRANSCRIPT
FFS Remedial Alternatives
West Lake Landfill Community Dialogue
Framework
August 15, 2016
Terrie Boguski, Skeo Solutions
TASC
Technical Assistance Services for Communities (TASC)
Provides non-advocacy, independent technical assistance
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Agenda
Superfund remedial process at West Lake Landfill
Final Feasibility Study (FFS)
• Remedial alternatives
Discussion
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West Lake Landfill
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Superfund Remedial Process
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The Superfund Process
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Discovery
Assessment
Cleanup Decision
CleanupPost-Cleanup
Activities
Removal actions can occur any time
during the Superfund process
Final Feasibility Study (FFS)
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FS Evaluation Criteria
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Threshold1. Overall
protection of human health and the environment
2. Compliance with ARARs
Balancing 3. Long-term
effectiveness and permanence
4. Reduction of toxicity, mobility or volume
5. Short-term effectiveness
6. Implementability
7. Cost
FS Evaluation Criteria
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Modifying
8. State acceptance
9. Community acceptance
Final FS Cleanup Alternatives
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Alternatives
1. No Further Action – leave all RIM in place on site
2. Partial excavation of contaminated soil at or near the surface:• Excavation of some RIM down to a maximum depth of 16 feet depending
on level of radioactivity (level to be defined in FFS)• Excavation of RIM with concentrations above a certain radioactivity level
regardless of depth (level to be defined in FFS)• PRPs may submit additional alternatives for EPA consideration
3. Full excavation of all RIM
4. Cap In Place (Remedy selected in 2008 ROD)
Final FS Will Include
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Description of Remedial Action Objectives
Description of Applicable or Relevant and Appropriate Requirements (basically existing environmental laws and regulations)
Description of the Remedial Alternatives
Evaluation of Remedial Alternatives Against 9 Criteria
Site Specific Considerations
Implementation Challenges Odors Handling and transportation of excavated materials Control of fugitive dust Potential exposure risks for on-site workers Bird strike hazards and mitigation
Evaluation of potential impacts of a Subsurface Smoldering Event within OU-1
Evaluation of possible effects of a natural disaster such as tornado, flood or earthquake
Evaluation of mobility of RIM12
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CONTACT INFORMATION
TASC Technical Assistance Provider
Terrie Boguski, PE
(913) 780-3328