1. Community Meeting TOSC Findings on Envirosafe Facility

2. TOSC Personnel on ESOI Project Dr. Shu-Guang Li, Project Director Dr. Shu-Guang Li, Project Director Kirk Riley, TOSC Program Manager Kirk Riley, TOSC Program Manager Saradhi Balla, Project Engineer Saradhi Balla, Project Engineer Dr. Qun Liu, Visiting Associate Professor Dr. Qun Liu, Visiting Associate Professor Alice Diebel, Project Specialist Alice Diebel, Project Specialist Karen Chou, Professor & Toxicologist; Miles Khire, Professor & Landfill Design Specialist Karen Chou, Professor & Toxicologist; Miles Khire, Professor & Landfill Design Specialist Numerous graduate students Numerous graduate students

3. Meeting Overview Introduction to TOSC Program: Who are we? Why are we addressing ESOI issue? Introduction to TOSC Program: Who are we? Why are we addressing ESOI issue? Overview of site-cleanup process: Where is Envirosafe in process? Overview of site-cleanup process: Where is Envirosafe in process? Key concepts Key concepts Visualization of ESOI contamination: Dr. Shu-Guang Li and TOSC team Visualization of ESOI contamination: Dr. Shu-Guang Li and TOSC team TOSC recommendations TOSC recommendations

4. TOSC Program Independent scientists and engineers; university- based program Independent scientists and engineers; university- based program Provide educational and technical assistance; directly address citizens concerns Provide educational and technical assistance; directly address citizens concerns Funded by U.S. EPA Funded by U.S. EPA Agreement with Oregon-area citizens to provide services Agreement with Oregon-area citizens to provide services Goals: Shed light on extent of problem. Catalyze effective public involvement Goals: Shed light on extent of problem. Catalyze effective public involvement

5. Overview of site-cleanup process Suspected polluted site—What do we do with it? Suspected polluted site—What do we do with it? RCRA Corrective Action, Superfund—It Doesn’t Really Matter RCRA Corrective Action, Superfund—It Doesn’t Really Matter

6. Overview: Where are we at ESOI? Investigation: What’s there? Where is it? Is it moving? What is the risk? Should we worry? How much? Site Investigation Risk Assessment R=E x T

7. Overview: Where are we at ESOI? How should we clean it up? Various methods Goal: Protect Human Health; Protect Bugs and Bunnies Site Clean Up/Remediation

8. ESOI Status: Good news/bad news Bad news: Still in investigation stage Bad news: Still in investigation stage Good news: We have plenty of data to answer basic questions (but not all we need!) Good news: We have plenty of data to answer basic questions (but not all we need!) –Where are pollutants? –What are those pollutants? –Is it moving? Good news: You can still participate meaningfully in process—watchdog process Good news: You can still participate meaningfully in process—watchdog process

9. Key Concepts Screening depth of wells Screening depth of wells

10. IGW—Work of TOSC Team to Visualize Contamination Contributions: Great pictures to show location of contaminants using ESOI data Contributions: Great pictures to show location of contaminants using ESOI data Key question: Are contaminants moving off-site? Key question: Are contaminants moving off-site? Provide analysis to help both community and agencies Provide analysis to help both community and agencies