Acknowledgements

Main Findings and Recommendations
      Main Findings
      Recommendations

1. Introduction

2. Legal framework and DOE’s remediation commitments

3. Status of the remediation and potential long-term contamination problems

4. Operable Unit 4
      4.1. Waste classification and disposal issues
      4.2. Radioactivity comparison between the K-65 waste and uranium mill tailings from 0.2% uranium ore
      4.3. The scientific reasons for disposing the K-65 waste in a deep repository
            4.3.1 Properties of radium-226
            4.3.2 Conclusion
      4.4. Risks posed by the waste and pre-ROD remedial efforts
      4.5. DOE’s legally binding commitments the selected remedies for Operable Unit 4
      4.6. Abandonment of initial remediation strategy for OU4
            4.6.1 Abandonment of Silo 3 vitrification program and final disposal
            4.6.2 Abandonment of Silos 1 and 2 vitrification program and final disposal
      4.7. Radiation dose consequences of changes in silo waste management
            4.7.1 Silos 1 and 2 long term dose estimates and compliance conclusions
            4.7.2 Silo 3 long term dose estimates and compliance conclusions
      4.8 Conclusions regarding Silos 1, 2, and 3
      4.9 IEER’S proposal for the waste management of the K-65 silos’ waste

5. Operable Unit 5
      5.1 DOE’s legally binding commitments for OU5
      5.2 Status of the work

6. Legacy management

7. Community and State oversight

8. References

Appendix -- Ohio Attorney General’s Office letter