Timeline of Major DCAS Events for 2007

• Rocky Flats Plant: revisions to the Site Description, Occupational Internal Dose, and Occupational External Dose sections of the Site Profile
• Pantex Plant: revisions to the Occupational Medical Dose and Occupational Internal Dose sections of the Site Profile
• Documents Covering Both AWE and DOE Facilities: Two new TIBs–(1) Estimating Doses for Plutonium Strongly Retained in the Lung and (2) Internal Dose Reconstruction
• DOE Complex Wide Documents: TIB–Maximum Internal Dose Estimates for Certain DOE Complex Claims revised
• Lawrence Livermore National Laboratory: TIB–Internal Dosimetry Coworker Data for Lawrence Livermore National Laboratory approved
• Portsmouth Gaseous Diffusion Plant Site Profile: Introduction section revised

February 9

• Federal Register Notice Published Announcing that a NUMEC (Apollo) SEC Petition has met the Minimum Qualifications for Review and Evaluation (All office employees – January 1, 1957 through December 31, 1983)
• Federal Register Notice Published Announcing that a Y-12 Plant SEC Petition met the Minimum Qualifications for Review and Evaluation (All statisticians in all locations – January 1, 1951 through June 30, 1959)

• Area IV of the Santa Susana Field Laboratory (formerly listed as ETEC) Site Profile: Occupational Environmental Dose section revised
• Rocky Flats Plant Technical Information Bulletins: External Coworker Dosimetry Data for the Rocky Flats Plant revised

March 18

• Effective Date for a General Atomics SEC Class (January 1, 1960, through December 31, 1969)
• Effective Date for a Monsanto Chemical Company SEC Class (January 1, 1943, through December 31, 1949)

March 16

• Federal Register Notice Published Announcing the Final Effect of Designation of a Class of Employees from the Allied Chemical Corp. Plant for Addition to the SEC (January 1, 1959 through December 31, 1976)
• Federal Register Notice Published Announcing the Final Effect of Designation of a Class of Employees from the Harshaw Chemical Company for Addition to the SEC (August 14, 1942 through November 30, 1949)

March 3

• Effective Date for an Allied Chemical Corp. Plant SEC Class (January 1, 1959 through December 31, 1976)
• Effective Date for a Harshaw Chemical Company SEC Class (August 14, 1942 through November 30, 1949)
• Federal Register Notice Published Announcing the Designation of a Class of Employees from Monsanto Chemical Company for Addition to the SEC (January 1, 1943, through December 31, 1949)

March 2

• Federal Register Notice Published Announcing the Designation of a Class of Employees from General Atomics for Addition to the SEC (January 1, 1960, through December 31, 1969)
• Federal Register Notice Published Announcing the Designation of a Class of Employees from Monsanto Chemical Company for Addition to the SEC (January 1, 1943, through December 31, 1949)

March 1

• Federal Register Notice Published Announcing the Designation of a Class of Employees from the Allied Chemical Corp. Plant for Addition to the SEC (January 1, 1959 through December 31, 1976)
• Federal Register Notice Published Announcing that an Ames Laboratory SEC Petition has met the Minimum Qualifications for Review and Evaluation (January 1, 1955 through December 31, 1970)
• Federal Register Notice Published Announcing that a Hanford SEC Petition has met the Minimum Qualifications for Review and Evaluation (April 25, 1967 through February 1, 1971)
• Federal Register Notice Published Announcing the Designation of a Class of Employees from Harshaw Chemical Company for Addition to the SEC (August 14, 1942 through November 30, 1949)
• Federal Register Notice Published Announcing that a W. R. Grace SEC Petition has met the Minimum Qualifications for Review and Evaluation (January 1, 1958 through December 31, 1970)

• Lawrence Berkeley National Laboratory (LBNL) Site Profile: Site Profile for the Lawrence Berkeley National Laboratory revised
• Paducah Gaseous Diffusion Plant Site Profile: Introduction section revised
• AWE Site Wide Documents: Appendix G — Anaconda Co., Appendix Q — Allegheny-Ludlum Steel Company, and Appendix R — Aluminum Company of America–Pennsylvania (Alcoa 1) approved for the Site Profile for Atomic Weapons Employers that Worked Uranium and Thorium Metals

April 24

• Federal Register Notice Published Announcing that a Nevada Test Site (NTS) SEC Petition has met the Minimum Qualifications for Review and Evaluation (March 1, 1966 through December 31, 1990)
• Federal Register Notice Published Announcing that a NTS SEC Petition has met the Minimum Qualifications for Review and Evaluation (September 1, 1963 through September 30, 1992)

April 10

• Federal Register Notice Published Announcing the Final Effect of Designation of a Class of Employees from General Atomics for Addition to the SEC (January 1, 1960, through December 31, 1969)
• Federal Register Notice Published Announcing the Final Effect of Designation of a Class of Employees from Monsanto Chemical Company for Addition to the SEC (January 1, 1943, through December 31, 1949)

• Argonne National Laboratory–West Site Profile: Introduction, Occupational Internal Dose, and Occupational External Dose sections revised
• Documents Covering Both AWE and DOE Facilities: Fission and Activation Product Assignment for Internal Dose-Related Gross Beta and Gross Gamma Analyses approved
• Pacific Northwest National Laboratory (PNNL) Site Profile: Introduction, Site Description, and Occupational Internal Dose sections revised
• Paducah Gaseous Diffusion Plant Site Profile: Site Description section revised
• Pantex Plant Site Profile: Introduction and Site Description sections revised
• Hanford Site Profile: Introduction and Site Description sections revised
• Los Alamos National Laboratory (LANL) Site Profile: Occupational External Dose section revised
• AWE Site Wide Documents: Appendix BO — LaPointe Machine & Tool Co. and Appendix BL — Jessop Steel Co. approved for the Site Profile for Atomic Weapons Employers that Worked Uranium and Thorium Metals

May 18

• Federal Register Notice Published Announcing that a NUMEC (Apollo) SEC Petition has met the Minimum Qualifications for Review and Evaluation (All workers – January 1, 1957 through December 31, 1983)

• Hanford Site Profile: Occupational Environmental Dose, Occupational Internal Dose, and Occupational External Dose sections revised
• Argonne National Laboratory–West (ANLW) Site Profile: Site Description and Occupational Environmental Dose sections revised
• AWE Site Wide Documents: Appendix AA — Hooker Electrochemical approved for the Site Profile for Atomic Weapons Employers that Refined Uranium and Thorium
• Blockson Chemical Company: Technical Basis Document for Atomic Energy Operations at Blockson Chemical Company, Joliet, Illinois revised
• Idaho National Laboratory Site Profile: Occupational External Dosimetry section revised
• Mallinckrodt Chemical Co., Destrehan St. Plant: Basis for Development of an Exposure Matrix for the Mallinckrodt Chemical Company St. Louis Downtown Site and the St. Louis Airport Site, St. Louis, Missouri revised
• Pacific Northwest National Laboratory (PNNL) Site Profile: Occupational Medical Dose section revised
• Paducah Gaseous Diffusion Plant Site Profile: Occupational Medical Dose section revised
• Y-12 Plant Site Profile: Occupational Medical Dose section revised
• AWE Site Wide Documents: Appendix BB — General Steel Industries approved for the Site Profile for Atomic Weapons Employers that Worked Uranium and Thorium Metals
• Ames Laboratory Site Profile: approved
• Sandia National Laboratories Site Profile: approved
• Oak Ridge Gaseous Diffusion Plant (K-25 Site) Site Profile: Occupational Environmental Dose section revised
• Pantex Plant Site Profile: Occupational Internal Dose, Occupational Environmental Dose, and Occupational External Dose sections revised
• Nevada Test Site’s Site Profile: Occupational Medical Dose section revised
• Y-12 Plant TIBs: Historical Evaluation of the Film Badge Dosimetry Program at the Y-12 Plant in Oak Ridge, Tennessee: Part 3 – Beta Radiation approved
• Mound Plant TIBs: Internal Dosimetry Coworker Data for the Mound Site approved
• West Valley Demonstration Project Site Profile: Approved for use in dose reconstruction–document was not posted to the website because there was a typographical error. The document was posted in August 2007 after the typographical error was corrected.

• Argonne National Laboratory–West (ANLW) Site Profile: Occupational Medical Dose section revised
• Idaho National Laboratory Site Profile: Occupational Internal Dose section revised
• Nevada Test Site’s Site Profile: Occupational External Dose section revised
• Pacific Northwest National Laboratory (PNNL) Site Profile: Occupational Environmental Dose section revised

July 30

• Federal Register Notice Published Announcing that a Lawrence Livermore National Laboratory (LLNL) SEC Petition has met the Minimum Qualifications for Review and Evaluation (January 1, 1950 through December 31, 1973)
• Federal Register Notice Published Announcing Designation of a Class of Employees from LANL for Addition to the SEC (March 15, 1943 through December 31, 1975)
• Federal Register Notice Published Announcing the Designation of a Class of Employees from W.R. Grace for Addition to the SEC (January 1, 1958 through December 31, 1970)

July 22

• Effective Date for a Dow Chemical Company SEC Class (January 1, 1957 through December 31, 1960)
• Effective date for a LANL SEC Class (March 15, 1943 through December 31, 1975)
• Effective Date for a W.R. Grace SEC Class (January 1, 1958 through December 31, 1970)

July 11

• Federal Register Notice Published Announcing the Designation of a Class of Employees from Dow Chemical Company for Addition to the SEC (January 1, 1957 through December 31, 1960)

• Rocky Flats Plant Site Profile: Occupational External Dose section revised
• Harshaw Chemical Company: An Exposure Matrix for the Harshaw Chemical Company, Cleveland, Ohio approved
• Idaho National Laboratory Site Profile: Site Description and Occupational Environmental Dose sections revised
• Oak Ridge National Laboratory (ORNL or X-10) Site Profile: Site Description section revised
• Rocky Flats Plant Site Profile: Occupational Internal Dose section revised
• Stanford Linear Accelerator Center Site Profile: revised
• West Valley Demonstration Project Site Profile: page change revision
• Portsmouth Gaseous Diffusion Plant Site Profile: Page change revision to the Occupational External Dose section

August 28

• Federal Register Notice Published Announcing that a Mound Plant SEC Petition has met the Minimum Qualifications for Review and Evaluation (February 1, 1949 through the present – Dayton, OH)
• Federal Register Notice Published Announcing that a Texas City Chemicals, Inc., SEC Petition has met the Minimum Qualifications for Review and Evaluation (January 1, 1952 through December 31, 1956)

August 7

• Federal Register Notice Published Announcing the Final Effect of Designation of a Class of Employees from Dow Chemical Company for Addition to the SEC (January 1, 1957 through December 31, 1960)
• Federal Register Notice Published Announcing the Final Effect of Designation of a Class of Employees from LANL for Addition to the SEC (March 15, 1943 through December 31, 1975)
• Federal Register Notice Published Announcing the Final Effect of Designation of a Class of Employees from W.R. Grace for Addition to the SEC (January 1, 1958, through December 31, 1970)

• Pacific Northwest National Laboratory (PNNL) Site Profile: Revision to the Occupational External Dose section
• Oak Ridge National Laboratory (ORNL or X-10) Site Profile: Revision to the Occupational External Dose section

September 28

• Federal Register Notice Published Announcing the Designation of a Class of Employees from the Ames Laboratory for Addition to the SEC (January 1, 1955 through December 31, 1970)
• Federal Register Notice Published Announcing the Designation of a Class of Employees from Hanford for Addition to the SEC (October 1, 1943 through August 31, 1946)

September 6

• Federal Register Notice Published Announcing the Designation of a Class of Employees from Rocky Flats for Addition to the SEC (April 1, 1952 through December 31, 1958)
• Federal Register Notice Published Announcing the Designation of a Class of Employees from Rocky Flats for Addition to the SEC (January 1, 1959 through December 31, 1966)

September 5

• Final Effect of Designation of a Class of Employees for a Rocky Flats Plant SEC Petition Addition to the SEC (April 1, 1952 through December 31, 1958)
• Final Effect of Designation of a Class of Employees for a Rocky Flats Plant SEC Petition Addition to the SEC (January 1, 1959 through December 31, 1966)

• Allied Chemical Corporation Site Profile revised
• Nevada Test Site’s Site Profile: Site Description section revised
• LANL Site Profile: Introduction section revised
• Oak Ridge National Laboratory (ORNL or X-10) Site Profile: Occupational Medical Dose and Occupational Internal Dose sections revised
• Rocky Flats Plant Technical Information Bulletins (TIBs):
  • Technical Information Bulletin (TIB) 39: Internal Dosimetry Coworker Data for the Hanford Site revised
  • Technical Information Bulletin (TIB) 27: Supplementary External Dose Information for Rocky Flats canceled
  • Technical Information Bulletin (TIB) 50: Use of Rocky Flats Neutron Dose Reconstruction Project Data in Dose Reconstructions canceled
  • Technical Information Bulletin (TIB) 58: External Coworker Dosimetry Data for the Rocky Flats Plant canceled
  • Technical Information Bulletin (TIB) 6: Interpretation of External Dosimetry Records at Savannah River Site (SRS) revised
  • Technical Information Bulletin (TIB) 8: Use of ICRP 66 to Calculate Respiratory Tract Doses revised
  • Technical Information Bulletin (TIB) 7: Neutron Exposures at the Savannah River Site revised

October 29

• Federal Register Notice Published Announcing the Final Effect of Designation of a Class of Employees from Ames Laboratory for Addition to the SEC (January 1, 1955 through December 31, 1970)
• Federal Register Notice Published Announcing that an Area IV of the Santa Susana Field Laboratory SEC Petition met the Minimum Qualifications for Review and Evaluation (January 1, 1955 through December 31, 1965)
• Federal Register Notice Published Announcing that a Combustion Engineering SEC Petition has met the Minimum Qualifications for Review and Evaluation (January 1, 1965 through December 31, 1972)
• Federal Register Notice Published Announcing the Final Effect of Designation of a Class of Employees from Hanford for Addition to the SEC (October 1, 1943 through August 31, 1946)
• Federal Register Notice Published Announcing that a Horizons, Inc. SEC Petition has met the Minimum Qualifications for Review and Evaluation (January 1, 1944 through December 31, 1956; and January 1, 1957 through July 31, 2006 – residual period)
• Federal Register Notice Announcing that a Westinghouse Atomic Power Development Plant SEC Petition has met the Minimum Qualifications for Review and Evaluation (January 1, 1942 through December 31, 1944)

October 12

• Effective date for a Ames Laboratory SEC Class (January 1, 1955 through December 31, 1970); Effective date for the Hanford SEC Class (October 1, 1943 through August 31, 1946)

October 3

• Federal Register Notice Published Announcing that a Mound Plant SEC Petition has met the Minimum Qualifications for Review and Evaluation (February 1, 1949 through the present – Miamisburg, OH)
• Federal Register Notice Published Announcing the Final Effect of Designation of a Class of Employees from Rocky Flats for Addition to the SEC (April 1, 1952 through December 31, 1958)
• Federal Register Notice Published Announcing the Final Effect of Designation of a Class of Employees from Rocky Flats for Addition to the SEC (January 1, 1959 through December 31, 1966)
• Federal Register Notice Published Announcing that a Y-12 Plant SEC Petition met the Minimum Qualifications for Review and Evaluation (All workers – March 1, 1943 through December 31, 1947)

• Technical Information Bulletin (TIB) 38: Internal Dosimetry Coworker Data for Rocky Flats Environmental Technology Site canceled
• Y-12 Plant Site Profile: Site Description section revised
• Technical Information Bulletin (TIB) 54: Fission and Activation Product Assignment for Internal Dose-Related Gross Beta and Gross Gamma Analyses–page change revision
• Blockson Chemical Company: Technical Basis Document for Atomic Energy Operations at Blockson Chemical Company, Joliet, Illinois revised

November 19

• Federal Register Notice Published Announcing that a Kellex/Pierpont SEC Petition has met the Minimum Qualifications for Review and Evaluation (January 1, 1943 through December 31, 1953)

• PER 29: Hanford TBD Revisions approved
• PER 30: Savannah River Site TBD Revisions approved
• PER 31: Y-12 TBD Revisions approved
• PER 32: Nevada Test Site TBD Revisions approved
• TIB 49: Estimating Doses for Plutonium Strongly Retained in the Lung revised

December 29

• Effective Date for a NUMEC (Apollo) SEC Class (January 1, 1957, through December 31, 1983)

December 17

• Federal Register Notice Published Announcing that a Pantex Plant SEC Petition has met the Minimum Qualifications for Review and Evaluation (January 1, 1950 through December 31, 1991)

December 13

• Federal Register Notice Published Announcing the Designation of a Class of Employees from NUMEC (Apollo) for Addition to the SEC (January 1, 1957, through December 31, 1983)

December 6

• Federal Register Notice Published Announcing that a Massachusetts Institute of Technology SEC Petition has met the Minimum Qualifications for Review and Evaluation (August 13, 1942 through December 31, 1945)
• Federal Register Notice Published Announcing that the SAM Laboratories, Columbia University SEC Petition has met the Minimum Qualifications for Review and Evaluation (January 1, 1942 through December 31, 1947)