Timeline of Major DCAS Events for 2005

• Portsmouth Gaseous Diffusion Plant–Occupational External Dose section approved
• Technical Information Bulletin: Interpretation of Dosimetry Data for Assignment of Shallow Dose approved
• Y-12 National Security Complex Site Profile: Page change revision on Site Description section
• Argonne National Laboratory–West Site Profile: Occupational Internal Dose section approved
• Los Alamos National Laboratory Site Profile: Introduction section approved

• Technical Information Bulletin: Validation of Thorium Annual Dose Conversion Factors approved
• Number of final dose reconstructions sent to the Department of Labor (DOL) exceeds 7,000
• Chapman Valve Site Profile document approved

• Technical Information Bulletin: Validation of Thorium Annual Dose Conversion Factors revised
• Technical Information Bulletin: Assignment of Missed Neutron Doses Based on Dosimeter Records approved
• Basis for Development of an Exposure Matrix for the Mallinckrodt Chemical Company St. Louis Downtown Site, St. Louis, Missouri, Period of Operation: 1942-1958 revised
• Technical Information Bulletin: Internal Dose Overestimates for Facilities with Air Sampling Programs approved
• Paducah Gaseous Diffusion Plant Site Profile: Occupational External Dose section revised
• Technical Information Bulletin: External Coworker Dosimetry Data for the Hanford Site approved

• Technical Information Bulletin: Internal Dosimetry Coworker Data for Y-12 approved
• Technical Information Bulletin: Estimation of Radium-226 Activity in the Body from Breath Radon-222 Measurements approved
• Pinellas Plant: Introduction and Occupational Environmental Dose sections approved
• Hanford Site: Occupational Medical Dose revised
• Savannah River Site: Technical Basis Document revised
• Number of final dose reconstructions sent to the Department of Labor (DOL) exceeds 8,000

April 18

• Federal Register Notice Published Announcing the Designation of a Class of Employees from Mallinckrodt Chemical Company for Addition to the SEC (1942-1948)

April 7

• Federal Register Notice Published Announcing that a Y-12 Plant SEC Petition met the Minimum Qualifications for Review and Evaluation (All Control Operators at Building 9201-5 and the Beta Building – January 1944 through December 1945)

• Technical Basis Document: An Exposure Matrix for Superior Steel, Carnegie, Pennsylvania, Period of Operation: January 1, 1952 through December 31, 1957 approved
• Pinellas Plant Site Profile Document: Occupational Medical Dose section approved
• Los Alamos National Laboratory Site Profile Document: Occupational External Dose section approved
• Paducah Gaseous Diffusion Plant: External Coworker Dosimetry Data Paducah Gaseous Diffusion Plant approved
• Y-12 Site Profile Document: Occupational Internal Dose section revised
• ANL–West: page change revision to the Occupational Medical Dose section
• Rocky Flats: Technical Information Bulletin–Supplementary External Dose Information
• Savannah River Site: Technical Information Bulletin–External Coworker Dosimetry Data for the Savannah River Site
• Linde Ceramics Plant: Technical Basis Document–An Exposure Matrix for Linde Ceramics Plant (including Tonawanda Laboratory)
• Kansas City Plant: Site Profile for the Kansas City Plant
• Simonds Saw and Steel: Site Profile for Simonds Saw and Steel
• K-25: Technical Information Bulletin: External Coworker Dosimetry Data for the K-25 Site approved

May 23

• Federal Register Notice Published Announcing the Final Effect of Designation of a Class of Employees from Mallinckrodt Chemical Company for Addition to the SEC (1942-1948)

May 12

• Effective Date for a Mallinckrodt Chemical Company SEC Class (1942-1948)

May 5

• Federal Register Notice Published Announcing that a Pacific Proving Grounds SEC Petition has met the Minimum Qualifications for Review and Evaluation (July 1, 1958 until August 31, 1958 – Operation Hardtack I)

June 29

• Federal Register Notice Published Announcing the Final Effect of Designation of a Class of Employees from the Iowa Ordnance Plant for Addition to the SEC (March 1949 to 1974)
• Federal Register Notice Published Announcing that a Rocky Flats Plant SEC Petition has met the Minimum Qualifications for Review and Evaluation (April 1952 to February 15, 2005)

June 19

• Effective Date of an Iowa Ordnance Plant SEC Class (Line 1 during the period from March 1949 through 1974)

June 7

• Federal Register Notice Published Announcing the Designation of a Class of Employees from the Iowa Ordnance Plant for Addition to the SEC (1949-1974)
• Weldon Spring Plant: Introduction, Site Description, Occupational Medical Dose, Occupational Environmental Dose, Occupational Internal Dose, and Occupational External Dose sections approved

June 6

• Federal Register Notice Published Announcing that a Y-12 Plant SEC Petition met the Minimum Qualifications for Review and Evaluation (All steamfitters, pipefitters, and plumbers – October 1944 through December 1957)
• Federal Register Notice Published Announcing that a Y-12 Plant SEC Petition met the Minimum Qualifications for Review and Evaluation (All Tennessee Eastman Corporation employees that conducted laboratory equipment cleaning work – 1943-1947)

July 14

• Federal Register Notice Published Announcing that a National Bureau of Standards SEC Petition has met the Minimum Qualifications for Review and Evaluation (All physicists that worked in the Radioactivity Lab–East Building–Building #2. From 1943 through 1952)
• Simonds Saw and Steel: page change revision to the Site Profile for Simonds Saw and Steel
• Mound Site Profile: page change revision on the Occupational Medical Dose section
• Lawrence Livermore National Laboratory (LLNL): Introduction and Site Description sections approved
• Technical Information Bulletin: Internal Dosimetry Coworker Data for Portsmouth Gaseous Diffusion Plant approved
• Technical Information Bulletin: External Coworker Dosimetry Data for the Portsmouth Gaseous Diffusion Plant approved
• K-25: Technical Information Bulletin: External Coworker Dosimetry Data for the K-25 Site revised
• Idaho National Engineering and Environmental Laboratory (INEEL) Site Profile: Site Description section revised

• Pinellas Plant Site Profile Document: Site Description section approved
• Pacific Northwest National Laboratory Site Profile Document: Introduction, Site Description, Occupational Medical Dose, Occupational Environmental Dose, Occupational Internal Dose, and Occupational External Dose sections approved
• Technical Information Bulletin: Dose Reconstruction from Occupationally Related Diagnostic X-ray Procedures revised
• Technical Information Bulletin: Internal Dosimetry Coworker Data for K-25 approved
• AWE Site Wide Documents: Technical Basis for Estimating the Maximum Plausible Dose to Workers at Atomic Weapons Employer Facilities updated
• Superior Steel: An Exposure Matrix for Superior Steel, Carnegie, Pennsylvania, Period of Operation: January 1, 1952 through December 31, 1957 page change revision
• Paducah Gaseous Diffusion Plant: External Coworker Dosimetry Data Paducah Gaseous Diffusion Plant page change revision
• Lawrence Livermore National Laboratory (LLNL): Occupational Medical Dose section approved

• Lawrence Livermore National Laboratory (LLNL): page change revision to Introduction section
• Technical Information Bulletin: Internal Dosimetry Coworker Data Paducah Gaseous Diffusion Plant approved
• Technical Information Bulletin: External Radiation Monitoring at the Y-12 Facility During the 1948-1949 Period approved
• Pinellas Plant: Occupational External Dose section approved
• An Exposure Matrix for Bridgeport Brass: Havens Laboratory and Adrian Plant approved
• Number of final dose reconstructions sent to the Department of Labor (DOL) exceeds 10,000

September 27

• Federal Register Notice Published Announcing the Designation of a Class of Employees from the Iowa Ordnance Plant for Addition to the SEC (Radiographers employed from May 1948 to March 1949)
• Federal Register Notice Published Announcing the Designation of a Class of Employees from the Y-12 Plant for Addition to the SEC (March 1943 to December 1947)

September 24

• Effective Date of an Iowa Ordnance Plant SEC Class (Radiographers employed from May 1948 to March 1949 in support of Line 1)
• Effective Date of a Y-12 Plant SEC Class (March 1943 to December 1947)

• Pinellas Plant: Occupational Internal Dose section approved
• Lawrence Livermore National Laboratory (LLNL): Occupational Internal Dose and Occupational External Dose sections approved
• Technical Information Bulletin: Analysis of Coworker Bioassay Data for Internal Dose Assignment–revised
• Technical Information Bulletin: Interpretation of Dosimetry Data for Assignment of Shallow Dose–revised
• Technical Information Bulletin: Use of Coworker Dosimetry Data for External Dose Assignment–revised
• Y-12 National Security Complex: Page change revisions to all sections of the Site Profile document
• Lawrence Livermore National Laboratory (LLNL)–page change revisions to the Site Description and Occupational Medical Dose Site Profile sections
• Technical Information Bulletin: Internal Dosimetry Coworker Data for the Hanford Site approved

October 17

• Federal Register Notice Published Announcing that an Ames Laboratory SEC Petition has met the Minimum Qualifications for Review and Evaluation (January 1, 1942 through December 31, 1955)
• Federal Register Notice Published Announcing that a Linde Ceramics Plant SEC Petition has met the Minimum Qualifications for Review and Evaluation (October 1, 1942, through October 31, 1947)

October 3

• Federal Register Notice Published Announcing the Final Effect of Designation of a Class of Employees from the Iowa Ordnance Plant for Addition to the SEC (Radiographers from May 1948 to March 1949)
• Federal Register Notice Published Announcing the Final Effect of Designation of a Class of Employees from the Y-12 Plant for Addition to the SEC (March 1943 to December 1947)

• Lawrence Livermore National Laboratory (LLNL): Occupational Environmental Dose section approved
• Argonne National Laboratory–East: Occupational Medical Dose section approved
• Technical Information Bulletin: Guidance on Wound Modeling for Internal Dose Reconstruction approved
• Aliquippa Forge: Basis for the Development of an Exposure Matrix for Aliquippa Forge, Pennsylvania, Period of Operation: January 1, 1947 through February 28, 1950 page change revision

November 13

• Effective Date for Mallinckrodt Chemical Company SEC Class (1949-1957)

November 4

• Federal Register Notice Published Announcing the Designation of a Class of Employees from Mallinckrodt Chemical Company for Addition to the SEC (1949-1957)
• Federal Register Notice Published Announcing that an Oak Ridge Institute for Nuclear Studies (ORINS) SEC Petition has met the Minimum Qualifications for Review and Evaluation (June 1, 1950 through June 25, 1956)

• Technical Information Bulletin: Internal Dosimetry Organ, External Dosimetry Organ, and IREP Model Selection by ICD-9 Code revised
• Technical Information Bulletin: Use of Rocky Flats Neutron Dose Reconstruction Project Data in Dose Reconstructions approved
• Rocky Flats Plant Site Profile: Occupational Internal Dose section page change revision
• Technical Information Bulletin: Internal Dosimetry Coworker Data for X-10 approved
• Argonne National Laboratory–East Site Profile: Introduction section approved
• Technical Information Bulletin: Dose Reconstruction from Occupationally Related Diagnostic X-ray Procedures page change revision
• Procedures for Designating Classes of Employees as Members of the Special Exposure Cohort Under the Energy Employees Occupational Illness Compensation Program Act of 2000; Amendments; Interim Final Rule with Request for Comment
• Pantex Site Profile: Occupational Medical Dose revised
• IAAP: Technical Basis Document for Atomic Energy Operations at IAAP revised

December 27

• Federal Register Notice Published Announcing that a Chapman Valve SEC Petition has met the Minimum Qualifications for Review and Evaluation (1948-1949; 1991-1995 DOE Remediation)
• Federal Register Notice Published Announcing the Designation of a Class of Employees from the Linde Ceramics Plant to the SEC (October 1, 1942, through October 31, 1947)
• Federal Register Notice Published Announcing the Final Effect of Designation of a Class of Employees from Mallinckrodt Chemical Company for Addition to the SEC (1949-1957)