SynTerra CAP 2 TOC_20160418

Corrective Action Plan Part 2 February 2016
SynTerra
TABLE OF CONTENTS
Executive Summary
1.0 Introduction
2.0 Summary of Previous and Ongoing Studies
2.1 Comprehensive Site Assessment
2.2 Corrective Action Plan Part
2.3 Third and Fourth Round of Groundwater Data
2.3.1 Groundwater
2.3.1.1 Groundwater Flow Conditions
2.3.1.2 Groundwater Sampling Procedures
2.3.1.3 Groundwater Lab Results
2.3.2 Surface Water/Seeps
2.4 Data Gap Activities
3.0 Updates to Groundwater and Geochemical Models
4.0 Refined Site Conceptual Model
4.1 Summary of Refined Groundwater Model
4.2 Summary of Refined Surface Water Model
4.3 Summary of Geochemical Model
5.0 Risk Assessment
6.0 Alternative Methods for Achieving Restoration
6.1 Corrective Action Decision Process
6.1.1
Evaluation Criteria
6.1.2
Potential Exposure Routes and Receptors
6.2 Alternative Evaluation Criteria
6.2.1
Effectiveness
6.2.2
Implementability/Feasibility
6.2.3
Environmental Sustainability
6.2.4
Cost
6.2.5
Stakeholder Acceptance
6.3 Remedial Alternatives to Achieve Regulatory Standards
6.3.1
Groundwater Remediation Alternatives
6.3.2
Monitored Natural Attenuation Applicability to Site
6.3.3
Site -Specific Alternatives Analysis
6.3.4
Site -Specific Recommended Approach
7.0 Selected Corrective Action(s)
7.1 Overview
7.2 Detailed Conceptual Design
8.0 Recommended Interim Activities
9.0 Monitoring Plan
10.0 Implementation Cost and Schedule
11.0 References
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Corrective Action Plan Part 2 February 2016
SynTerra
List of Tables
List of Figures
List of Appendices
Appendix A Supplemental Analytical Data
(Groundwater, Surface Water, Seep, Soil, Sediment)
Appendix B
Appendix C
Appendix D
Appendix E
Appendix F
Data Gap Information
Supplemental Geochemical Modeling Report
Risk Assessment Report
Alternative Methods for Achieving Restoration Information
Monitored Natural Attenuation Information
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