Beta-ray dose in tissue-equivalent material immersed in a radioactive cloud

Journal Article · Tue Jan 01 00:00:00 EST 1974 · Health Phys., v. 26, no. 1, pp. 1-12

DOI:https://doi.org/10.1097/00004032-197401000-00001· OSTI ID:4329359

Berger, M J

The radioactive-cloud immersion problem for beta-radiation has been treated schematically by assuming a semi-infinite air medium (source region) located adjacent to a semi-infinite water medium (tissue-equivalent target). The source region has been assumed to contain a uniform concentration of beta- emitting radionuclide, and calculations have been made of the absorbeddose distribution (depth dose) in the water target. A leakage correction has also been made to estimate the reduction of absorbed dose that would occur if the target had lateral dimensions small compared to the beta-particle range in air. Depth-dose calculations have been carried out for various source spectra (including beta-ray as well as discrete electron spectra) for /sup 83m/Kr, /sup 85m/Kr, /sup 85/Kr, /sup 87/Kr, /sup 88/Kr, /sup 88/Rb, /sup 131m/Xe, /sup 133m/ Xe /sup 133/Xe, /sup 135/Xe, /sup 137/Xe, /sup 137/Cs /sup 138/Xe and /sup 138/ Cs, being rare gases emitted by nuclear power plants into the atmosphere, and for /sup 3/H, /sup 14/C, /sup 35/S, /sup 125/I, /sup 24/Na, /sup 32/P, /sup 42/K, / sup 90/Y, /sup 60/Co, /sup 89/Sr, /sup 90/Sr, /sup 131/I, being comm only used radionuclides. (auth)

• Research Organization: National Bureau of Standards, Washington, DC
• NSA Number: NSA-29-017459
• OSTI ID: 4329359
• Journal Information: Health Phys., v. 26, no. 1, pp. 1-12, Other Information: Orig. Receipt Date: 30-JUN-74; Bib. Info. Source: UK (United Kingdom (sent to DOE from))
• Country of Publication: United Kingdom
• Language: English

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