PDF《Draft》

Draft REVIEW OF SPECIAL EXPOSURE COHORT ISSUES FOR THE HANFORD SITE FOR THE PERIOD JULY 1, 1972, TO DECEMBER 31,

1990 Volume I C Main Report Revision

1 Contract No.

200-2009-28555 Prepared by Arjun Makhijani Bob Barton Joyce Lipsztein S. Cohen &

Associates

1608 Spring Hill Road, Suite

400 Vienna, VA

22182 Saliant, Inc.

5579 Catholic Church Road Jefferson, Maryland

21755 September

2011 Disclaimer This document is made available in accordance with the unanimous desire of the Advisory Board on Radiation and Worker Health (ABRWH) to maintain all possible openness in its deliberations. However, the ABRWH and its contractor, SC&

A, caution the reader that at the time of its release, this report is pre- decisional and has not been reviewed by the Board for factual accuracy or applicability within the requirements of

42 CFR 82. This implies that once reviewed by the ABRWH, the Board'

s position may differ from the report'

s conclusions. Thus, the reader should be cautioned that this report is for information only and that premature interpretations regarding its conclusions are unwarranted. Effective Date: September 30,

2011 Revision No.

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

2 of

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. Document No. Hanford SEC Issues Review Effective Date: Draft C August 18,

2011 S. Cohen &

Associates: Technical Support for the Advisory Board on Radiation and Worker Health Review of NIOSH Dose Reconstruction Program Revision No:

1 C Draft Review of Special Exposure Cohort Issues for the Hanford Site for the Period July 1, 1972, to December 31,

1990 Page

2 of

71 Task Manager: Date: Arjun Makhijani, PhD Supersedes: Rev.

0 Project Manager: Date: John Mauro, PhD, CHP Reviewers: John Mauro (Entire report) Joyce Lipsztein (Main report) Arjun Makhijani (Appendix A) Record of Revisions Revision Number Effective Date Description of Revision

0 (Draft) 07/28/2011 Initial issue

1 09/30/2011 Vol. I: Section

20 regarding Building

324 incidents has been expanded and modified, along with changes to Findings 27-1 and 27-2. Vol. II: Appendix D: Summary of Interviews Related to Building

324 Incidents has been added. Effective Date: September 30,

2011 Revision No.

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

3 of

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. TABLE OF CONTENTS List of Acronyms and Abbreviations.6 1.0 Overview.8 1.1 Findings.9 2.0 Matrix Issue 3: Thorium-232 Exposures from

1960 Onwards.14 2.1 Thorium-232 Handling and Processing

14 2.2 Thorium Monitoring Data C Quantity.17 2.3 Thorium-232 Monitoring Data C Quality

18 2.4 NIOSH'

s Approach for Thorium-232.19 2.5 Findings on Matrix Issue

3 C Thorium-232.20 3.0 Matrix Issue 4: Highly Enriched Uranium Exposures from July 1, 1972, to December 31, 1990.21 3.1 Uranium Monitoring Data.22 3.2 NIOSH Proposed Approach for HEU.23 3.3 Findings Regarding HEU.24 4.0 Matrix Item 6: Uranium Coworker Model for Unmonitored Workers.24 4.1 Uranium Data Quality.27 4.2 NIOSH'