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An Exposure Matrix for the Harshaw Chemical Company, Cleveland, Ohio
(Approved August 17, 2007)
 PDF 675 KB (114 pages)
About this document: This document establishes the technical basis for the reconstruction of radiation doses to workers at
the Harshaw Chemical Company's Harvard-Denison Plant at 1000 Harvard Avenue in Cleveland,
Ohio, which received feed materials from uranium mills throughout the United States and Canada
(DOE 1984) and refined it to produce various uranium compounds under contract to the U.S.
Government from 1942 to 1955.
A Special Exposure Cohort (SEC) class established for Harshaw includes all AWE employees who
were monitored or should have been monitored while working at the Harshaw Harvard-Denison Plant
for a number of workdays aggregating at least 250 workdays from August 14, 1942, through November 30, 1949, or in combination with workdays within the parameters established for one or
more other classes of employees in the SEC. This document also provides guidance for
EEOICPA-covered employees who participated in Harshaw operations, specifically for non-SEC
cancers and those presumptive cancer claims for workers who have fewer than 250 workdays under
this employment or in combination with workdays within the parameters established for other classes
of employees in the SEC.
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Special Exposure Cohort Petition Information for Harshaw Chemical Company
- Classes Added to the SEC
Atomic Weapons employees who were monitored or should
have been monitored while working at the Harshaw Harvard-Denison
Plant located at 1000 Harvard Avenue in Cleveland, Ohio,
from August 14, 1942, through November 30, 1949, and
who were employed for a number of work days aggregating
at least 250 work days or in combination with work days
within the parameters established for one or more other
classes of employees in the Special Exposure Cohort.
- Petition Information
-
Location: Cleveland, Ohio
Job Titles and/or Job Duties: All workers at Harshaw Chemical Company plant and the laboratories of the separate facility located at 1945 East 97th Street
Period of Employment: January 1, 1942 through November 30, 1949
- Federal Register Notice Announcing that the Harshaw Chemical Company SEC Petition has met the Minimum Qualifications for Review and Evaluation
August 4, 2006
PDF 51 KB (1 page)
- Copy of the Petition Received
Harshaw Chemical Company SEC Petition
PDF 757 KB (2 pages)
- SEC Petition Evaluation Report
SEC Petition Evaluation Report: Petition SEC-00066
PDF 143 KB (24 pages)
- Petition Discussed by the Advisory Board
The petition was discussed by the Advisory Board during its December 11-13, 2006, meeting in Naperville, Illinois.
- Advisory Board Recommendation on SEC Petition
Advisory Board recommendation regarding Harshaw Chemical Company SEC Petition (August 14, 1942 through November 30, 1949)
PDF 386 KB (2 pages)
- HHS Letter to Congress Regarding the SEC Petition
HHS letter to Congress regarding the Harshaw Chemical Company SEC Petition
PDF 265 KB (6 pages)
- Federal Register Notice: Designation of a Class of Employees
for Addition to the Special Exposure Cohort
Designation of a Class of Employees for Addition to the SEC for Harshaw Chemical Company
PDF 46 KB (1 page)
- HHS Designation of Additional Members to the SEC
HHS Designation of Additional Members to the SEC for Harshaw Chemical Company
PDF 177 KB (4 pages)
- Effective Date for the SEC Class
March 3, 2007
- Federal Register Notice: Final Effect of Designation of a Class of Employees for Addition to the Special Exposure Cohort
Final Effect of Designation of a Class of Employees for Addition to the SEC for Harshaw Chemical Company
PDF 49 KB (2 pages)
- Letter to DOL Regarding the Addition of a New Class of Employees to the SEC
Letter to DOL Regarding the Addition of a New Class of Employees to the SEC for Harshaw Chemical Company
PDF 30 KB (2 pages)
- Letter from DOL Regarding the Return of All Cases for the New SEC Class
Not applicable at this time.
(Note: this only applies if the class is added to the SEC.)
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Page last updated: August 20, 2007
Page last reviewed: May 30, 2008
Content Source: National Institute for Occupational Safety and Health (NIOSH)
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