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Finding Aids

Epidemiologic Studies

Rala, Iodine-131 & Cesium-137


Section A:

Other Divisions

[Report on] Determination of Potential Sources of Area Atmospheric Radio-Active Contamination, 1950

Location:

Active:
Inactive: ORNL, Building 4500N, Rm. H205 vault

Access Restrictions: Unclassified; vault is a security classified area

Volume: 0.25 lin. in.

Accession or Other ID Number: ORNL-677

Condition: Good

Container Number: Open shelves

Medium: Paper

Scanning Suitability: Not entirely suitable; contains graphics and photographs

Duplication: Unknown

Arrangement: Numerical by ORNL number

Originating Office: Reactor Technology Division

Finding Aids: ORNL Register 1-4397, 1948-1969

Disposition AuthorityUnscheduled

Series Description: This report summarizes the Reactor Technology Division's efforts to determine the sources of onsite atmospheric radioactive contamination during 1948-1949, including RaLa operation fume lines and iodine-131 and -135 recovery operations. Sampling equipment consisted of CWS filter paper designed to remove particulates. The filters were placed in stream flows of the facilities. Results are reported only as potential contamination levels. Gamma activity levels were the prime focus of the investigation. Results are given in millicuries/hour (mCi/hr), microcuries/cubic foot (mCi/f3), counts/minute/square inch (c/min/in2), and curies per day (Ci/d).

Data Elements: 88, 103, 116, 119, 124


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