PDF《Draft》

s Proposed Approach for Uranium.28 5.0 Issue 7: Uranium-233.29 5.1 NIOSH'

s Proposed Approach for U-233.29 6.0 Issue 8: Recycled Uranium.30 6.1 Recycled Uranium Findings

31 7.0 Matrix Issue 9: Neptunium-237.31 7.1 NIOSH'

s Approach to Np-237

32 7.2 Neptunium Issue Findings

32 8.0 Issue 10: Tritium.33 8.1 NIOSH'

s Approach to Tritium

34 8.2 Tritium Issue Findings.34 9.0 Issue 11: Promethium-147.35 10.0 Issue 12: Strontium-90, Cesium-137, and Mixed Fission Product Dose Estimation........37 10.1 Periods of Operation and Exposure Potential.37 10.2 In-Vivo and In-Vitro Data for Sr-90, Cs-137, and Mixed Fission Products.38 10.3 Quality of Data.40 10.4 NIOSH'

s Approach to Coworker Models.40 Effective Date: September 30,

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71 NOTICE: This report has been reviewed for Privacy Act information and has been cleared for distribution. However, this report is pre-decisional and has not been reviewed by the Advisory Board on Radiation and Worker Health for factual accuracy or applicability within the requirements of

42 CFR 82. 10.5 Findings for Mixed Fission Products, Sr-90, and Cs-137.41 11.0 Matrix Issue 13: Tank Farm Alpha Monitoring.42 12.0 Matrix Issue 14: Plutonium Data Adequacy.42 12.1 Plutonium Data C Quantity

42 12.2 Plutonium Data C Quality

44 12.3 NIOSH Approach to Coworker Model for Plutonium.45 12.4 Findings for Plutonium Modeling.46 13.0 Issue 16: Curium-244 and Americium-241

46 13.1 Curium-244.46 13.2 Curium-244 Data

47 13.3 NIOSH Approach to Curium-244.47 13.4 Americium-241.47 13.5 Americium-241 Data

48 13.6 NIOSH Approach to Americium-241.49 13.7 Findings Relating to Curium-244 and Americium-241.49 14.0 Matrix Issue 19: Lack of Adequate Monitoring (Petitioner Issue)49 15.0 Matrix Issue 20: Skin Contamination

50 16.0 Matrix Issue 21: Missing and Destroyed Records.50 16.1 Findings for Matrix Issue 21: Destroyed and Missing Records

51 17.0 Missing Incident Records

51 17.1 Incidents in REX Incident Database compared to Individual Records.52 17.2 Findings Relating to Missing Incident Records.61 18.0 Issue 25: Other Radionuclides

61 18.1 Quality of Data.61 18.2 NIOSH'

s Approach to Other Radionuclides.61 18.3 Findings for Other Radionuclides.62 19.0 Matrix Issue 26: Data Completeness

62 19.1 Findings from Appendix A.63 20.0 Matrix Issue 27: Building

324 Leaks.63 20.1 Findings for Issue 27.66 21.0 References.68 Effective Date: September 30,

2011 Revision No.

1 C Draft Document No. Draft C Hanford SEC Issues Review C Vol. I Page No.

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71 This report has been reviewed for Privacy Act information and has been cleared for distribution. However, this report is pre-decisional and has not been reviewed by the Advisory Board on Radiation and Worker Health for factual accuracy or applicability within the requirements of

42 CFR 82. NOTICE: LIST OF APPENDICES Appendix A: Internal Dose Data Completeness Review Appendix B: November

2009 Updated Hanford SEC Issues Matrix Appendix C: Petitioner/Worker Interview Summary for the Hanford Site Appendix D: Summary of Interviews Related to Building

324 Incidents LIST OF TABLES Table 1. Buildings with Thorium Processing.14 Table 2. Thorium-232-Related Measurements at Hanford, July 1, 1972, to December 31, 1990.18 Table 3. Percentage of Workers Monitored for Uranium during the Period of July 1, 1972, to December 31,

1990 25 Table 4. Number of Workers Monitored for Uranium during the July 1, 1972, to December 31, 1990, Period by Area.26 Table 5. Number of Positive In-Vitro Uranium Results during the Period of July 1, 1972, to December 31,