Iron-masonite shield attenuation effectiveness status report

Technical Report · Thu Apr 15 04:00:00 EST 1965

DOI:https://doi.org/10.2172/10163387· OSTI ID:10163387

Gross, P D

This is the fifth in a series of reports presenting the status and deterioration rates of the B. D, DR, F, and H biological shields. The last previous reports covering the period 1959 through March 31, 1961, indicated no significant decreasing trends in the attenuating effectiveness of the biological (iron-masonite) shields. At that time the combination of increasing average helium percentages and adding fringe poison in the smaller reactors resulted in corresponding reductions in shield temperatures below previous levels. Since then, there has been both an increase in reactor power levels and a greater emphasis on reduction of helium usage. Consequently, to limit biological shield temperatures and reduce the shield leakage, additional fringe poison has been employed for shield protection. This report covers the period from late 1960 through January 1, 1964.

• Research Organization: General Electric Co., Richland, WA (United States). Hanford Atomic Products Operation
• Sponsoring Organization: USDOE, Washington, DC (United States)
• DOE Contract Number: AC06-76RL01830
• OSTI ID: 10163387
• Report Number(s): RL-REA--1031; ON: DE94014610
• Country of Publication: United States
• Language: English

Related Subjects

22 GENERAL STUDIES OF NUCLEAR REACTORS
220200
220600
220900
AGING
COMPONENTS AND ACCESSORIES
HANFORD PRODUCTION REACTORS
IRON
NEUTRON DETECTION
NEUTRON FLUX
NUCLEAR POISONS
RADIATION HEATING
RADIATION PROTECTION
REACTOR SAFETY
RESEARCH
TEST
TRAINING
PRODUCTION
IRRADIATION
MATERIALS TESTING REACTORS
SHIELDING