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Epidemiologic Studies

Rala, Iodine-131 & Cesium-137

Section B:
Central Management

Calculated Production of Ba140from MTR 25 Fuel Assemblies, April 17, 1950

Location:

Active:
Inactive: Oak Ridge Operations, Records Holding Center, 280B Laboratory Road, Oak Ridge, Tennessee 37380

Access Restrictions: Secret/Restricted Data; facility is a security classified area

Volume: <0.25 lin. in.

Accession or Other ID Number: RHTG #91504

 Condition: Good

Container Number RHTG #150

Medium: Paper

Scanning Suitability: Not entirely suitable; includes charts

Duplication: ORNL, Building 4500N, Rm. H205 vault

Arrangement: Numerical by RHTG number

Originating Office: Oak Ridge Operations Office, Central Management

Finding Aids: RHTG Database (classified)

Disposition AuthorityUnscheduled

Series Description: This report documents the decision to use uranium-235 fuel assemblies from the Material Testing Reactor (MTR) as raw material for the production of barium-140, instead of irradiated Hanford slugs. The report provides the calculations used for making the decision to use the MTR slugs. Activity levels of barium and lanthanum, and the initial uranium composition of the MTR slugs are given in curies and percentage per isotope, respectively. ORNL results are compared to those calculated for Hanford slugs.

Data Elements: 88


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