Timeline of Major DCAS Events for 2009

January 29

• Federal Register Notice Published Announcing the Designation of a Class of Employees from Mallinckrodt Chemical Company for Addition to the SEC (1958)
• Federal Register Notice Published Announcing the Designation of a Class of Employees from Metallurgical Laboratory for Addition to the SEC (August 13, 1942 through June 30, 1946)
• Federal Register Notice Published Announcing the Designation of a Class of Employees from Vitro Manufacturing for Addition to the SEC (August 13, 1942 through December 31, 1957)

January 14

• Federal Register Notice Published Announcing that a Piqua Organic Moderated Reactor SEC Petition has met the Minimum Qualifications for Review and Evaluation (January 1, 1963 through December 31, 1966)

February 27

• Federal Register Noticed Published Announcing the Final Effect of Designation of a Class of Employees from Mallinckrodt Chemical Company for Addition to the SEC (1958)
• Federal Register Noticed Published Announcing the Final Effect of Designation of a Class of Employees from Metallurgical Laboratory for Addition to the SEC (August 13, 1942 through June 30, 1946)
• Federal Register Noticed Published Announcing the Final Effect of Designation of a Class of Employees from Vitro Manufacturing (Canonsburg) for Addition to the SEC (August 13, 1942 through December 31, 1957)

February 15

• Effective Date for a Mallinckrodt Chemical Company, Destrehan St. Plant SEC Class (1958)
• Effective Date for a Metallurgical Laboratory SEC Class (August 13, 1942 through June 30, 1946)
• Effective Date for a Vitro Manufacturing (Canonsburg) SEC Class (August 13, 1942 through December 31, 1957)

February 12

• Federal Register Notice Published Announcing that a Bliss & Laughlin Steel SEC Petition has met the Minimum Qualifications for Review and Evaluation (January 1, 1948 through December 31, 1998)

March 24

• Federal Register Notice Published Announcing that a Baker-Perkins SEC Petition has met the Minimum Qualifications for Review and Evaluation (May 14, 1956 through July 12, 1968)

• Federal Register Notice Published Announcing that an Electro Metallurgical SEC Petition has met the Minimum Qualifications for Review and Evaluation (August 13, 1942 through December 31, 1953)

March 3

• Federal Register Notice Published Announcing that an Oak Ridge Hospital SEC Petition has met the Minimum Qualifications for Review and Evaluation (June 30, 1958 through December 31, 1959)

April 30

• Effective Date for a Hood Building SEC Class (May 9, 1946 through December 31, 1963)
• Effective Date for a Tyson Valley Powder Farm SEC Class (February 13, 1946 through June 30, 1948)
• Effective Date for a Westinghouse Atomic Power Development Plant SEC Class (August 13, 1942 through December 31, 1944)

April 10

• Federal Register Notice Published Announcing the Designation of a Class of Employees from the Hood Building for Addition to the SEC (May 9, 1946 through December 31, 1963)
• Federal Register Notice Published Announcing the Designation of a Class of Employees from Tyson Valley Powder Farm for Addition to the SEC (February 13, 1946 through June 30, 1948)
• Federal Register Notice Published Announcing the Designation of a Class of Employees from Westinghouse Atomic Power Development Plant for Addition to the SEC (August 13, 1942 through December 31, 1944)

May 22

• Federal Register Notice Published Announcing that a University of Rochester Atomic Energy Project SEC Petition has met the Minimum Qualifications for Review and Evaluation (September 1, 1943 through June 19, 1945)

May 11

• Federal Register Notice Published Announcing the Final Effect of Designation of a Class of Employees from Massachusetts Institute of Technology (MIT)–Hood Building only for Addition to the SEC (May 9, 1946 through December 31, 1963)

May 8

• Federal Register Notice Published Announcing the Final Effect of Designation of a Class of Employees from Tyson Valley Powder Farm for Addition to the SEC (February 13, 1946 through June 30, 1948)

• Federal Register Notice Published Announcing the Final Effect of Designation of a Class of Employees from Westinghouse Atomic Power Development Plant for Addition to the SEC (August 13, 1942 through December 31, 1944)

June 30

• Federal Register Notice Published Announcing the Designation of a Class of Employees from Area IV of the Santa Susana Field Laboratory to the SEC (January 1, 1955 through December 31, 1958)

• Federal Register Notice Published Announcing the Designation of a Class of Employees from Standard Oil Development Co. of NJ to the SEC (August 13, 1942 through December 31, 1945)

June 18

• Federal Register Notice Published Announcing that a Lake Ontario Ordnance Works SEC Petition has met the Minimum Qualifications for Review and Evaluation (January 1, 1944 through December 31, 1953)

June 10

• Federal Register Notice Published Announcing that a Norton Co. SEC Petition has met the Minimum Qualifications for Review and Evaluation (January 1, 1945 through December 31, 1957)

July 31

• Federal Register Notice Published Announcing the Final Effect of Designation of a Class of Employees from Area IV of the Santa Susana Field Laboratory (January 1, 1955 through December 31, 1958)

July 28

• Federal Register Notice Published Announcing the Final Effect of Designation of a Class of Employees from Standard Oil Development Co. of NJ for Addition to the SEC (August 13, 1942 through December 31, 1945)

July 18

• Effective Date for a Area IV of the Santa Susana Field Laboratory SEC Class (January 1, 1955 through December 31, 1958)
• Effective Date for a Standard Oil Development Co. of NJ SEC Class (August 13, 1942 through December 31, 1945)

August 31

• Federal Register Notice Published Announcing that a Metals and Controls Corp. SEC Petition has met the Minimum Qualifications for Review and Evaluation (January 1, 1952 through December 31, 1967)

September 22

• Federal Register Notice Published Announcing that a Weldon Spring Plant SEC Petition has met the Minimum Qualifications for Review and Evaluation (January 1, 1957 through December 31, 1966)

October 30

• Federal Register Notice Published Announcing that a Canoga Avenue Facility SEC Petition has met the Minimum Qualifications for Review and Evaluation (January 1, 1955 to December 31, 1960)

• Federal Register Notice Published Announcing that a Hooker Electrochemical SEC Petition has met the Minimum Qualifications for Review and Evaluation (January 1, 1943 to December 31, 1948, and from January 1, 1949 to December 31, 1976)

• Federal Register Notice Published Announcing the Designation of a Class of Employees from Lake Ontario Ordnance Works to the SEC (January 1, 1944 through December 31, 1953)

• Federal Register Notice Published Announcing the Designation of a Class of Employees from Norton Co. to the SEC (January 1, 1945 through December 31, 1957)

October 29

• Effective Date for a Lake Ontario Ordnance Works SEC Class (January 1, 1944 through December 31, 1953)

• Effective Date for a Norton Co. SEC Class (January 1, 1945 through December 31, 1957)

October 1

• Federal Register Notice Published Announcing that a Hanford SEC Petition has met the Minimum Qualifications for Review and Evaluation (October 1, 1943 through June 30, 1972)
• Federal Register Notice Published Announcing that a Hangar 481 SEC Petition has met the Minimum Qualifications for Review and Evaluation (March 1, 1989 through June 30, 1996)

November 30

• Savannah River Site Site Profile: Occupational Medical Dose section revised

November 23

• Los Alamos National Laboratory Site Profile: Occupational External Dose section revised

November 5

• Federal Register Notice Published Announcing the Final Effect of Designation of a Class of Employees from Lake Ontario Ordnance Works to the SEC (January 1, 1944 through December 31, 1953)
• Federal Register Notice Published Announcing the Final Effect of Designation of a Class of Employees from Norton Co. to the SEC (January 1, 1945 through December 31, 1957)

December 30

• Federal Register Notice Published Announcing that a Lawrence Berkeley National Laboratory SEC Petition has met the Minimum Qualifications for Review and Evaluation (August 13, 1942 through December 31, 1961)
• Federal Register Notice Published Announcing that a Westinghouse Electric Corp. (New Jersey) SEC Petition has met the Minimum Qualifications for Review and Evaluation (August 13, 1942 through December 31, 1949)
• Federal Register Notice Published Announcing the Designation of a Class of Employees from Brookhaven National Laboratory to the SEC (January 1, 1947 to December 31, 1979)
• Federal Register Notice Published Announcing the Designation of a Class of Employees from Hanford to the SEC (October 1, 1943 through June 30, 1972)
• Federal Register Notice Published Announcing the Designation of a Class of Employees from Metals and Controls Corp. to the SEC (January 1, 1952 to December 31, 1967)
• Federal Register Notice Published Announcing the Designation of a Class of Employees from Oak Ridge Hospital to the SEC (May 15, 1950 through December 31, 1959)
• Federal Register Notice Published Announcing the Designation of a Class of Employees from Piqua Organic Moderated Reactor to the SEC (May 2, 1966 through February 28, 1969)

December 21

• Idaho National Laboratory Site Profile: Occupational Medical Dose section revised
• Argonne National Laboratory-West (ANLW) Site Profile: Occupational Medical Dose section revised

December 18

• Y-12 Site Profile: Occupational External Dose section revised

December 10

• Federal Register Notice Announcing that an Area IV of the Santa Susana Field Laboratory SEC Petition has met the Minimum Qualifications for Review and Evaluation (1959 to December 31, 1964)

December 2

• Federal Register Notice Published Announcing the Determination Concerning a Baker-Perkins Petition To Add a Class of Employees to the Special Exposure Cohort (May 14, 1956 through May 18, 1956)