Tyson Valley Powder Farm
State: Missouri
Location: St. Louis
Time Period: 1942-1949
Facility Type: Atomic Weapons Employer
Facility Description
The Tyson Valley Powder Farm was a storage site for radioactive materials in the late 1940s. Records show, for example, that at the end of 1946, 206,110 pounds of uranium metal were stored at this location for the Manhattan Engineer District.
*The Tyson Valley Powder Farm was originally a 2,620 acre facility used from 1945 through 1950, then again in 1951 through 1963 by the Department of Defense. This site was used to support the St. Louis Ordnance Plant, mainly for storage and as a testing facility for ordnance. Tyson has numerous bunkers once used for ordnance storage. Remnants of firing ranges and waste destruction areas also exist at the site.
Likely existing contaminants due to disposal, storage and destruction of ordnance related materials include heavy metals, nitroaromatics, various explosives and solvents. World War II era documents show that radioactive wastes were once transported to the facility for storage. Later documentation suggests that some radioactive wastes were to be shipped off-site. Washington University School of Medicine radiation experts conducted a survey in 1988 and found no evidence of radioactive waste or contamination at the site.
Of the old facility, 1,966 acres are now owned by the Washington University Tyson Research Center and 405 acres are now St. Louis County’s Lone Elk Park. Remaining acreage is under Interstate 44 and railroad easements and in West Tyson County Park.
*Source
Listing
Tyson Valley Powder Farm is listed as an Atomic Weapons Employer (AWE) site under the EEOICPA.
Special Exposure Cohort (SEC) Classes
All Atomic Weapons Employer (AWE) employees who worked at Tyson Valley Powder Farm near Eureka, Missouri, from February 13, 1946 through June 30, 1948, for a number of work days aggregating at least 250 work days, occurring either solely under this employment or in combination with work days within the parameters established for one or more other classes of employees in the SEC.
Petitions Qualified for Evaluation
Location: St. Louis, Missouri
Job Titles and/or Job Duties: All employees
Period of Employment: January 1, 1942 through December 31, 1949
Compensation
As of 08/10/2015, the total compensation paid under Part B of the EEOICPA, including medical compensation, for workers suffering from the effects of having worked at the Tyson Valley Powder Farm is $150,000.
Attention Mallinckrodt Chemical, St. Louis Airport Storage Site (Slaps) and Tyson Valley Powder Farm Workers
Did you, your spouse, or your parent become ill after working at Attention Mallinckrodt Chemical, St. Louis Airport Storage Site (SLAPS), or Tyson Valley Power Farm? You may be entitled to up to $150,000 from the United States. For more information, call Attorney Hugh Stephens at (800) 548-4494 whether or not you have already filed a claim and even if your claim has been accepted or denied.
We assist with claims, dose reconstructions, objections, hearings, reopenings, consequential conditions, impairment ratings, wage loss, health care, home care and appeals to Federal Court. No Recovery-No Fee. 2% contingent fee for initial claims/10% for objections. 2495 Main St., Buffalo, NY.
DOCUMENTS
NIOSH SEC Petition Evaluation Reports
Petition 115 (Jan 1, 1942 to Dec 31, 1949)
SEC Petition Evaluation Report, Petition SEC-00115, Rev #: 1
Report Submittal Date: March 2, 2009
SEC Petition Evaluation Report, Petition SEC-00115, Rev #: 0
Report Submittal Date: January 20, 2009
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