A case study on the effect of water from groundwater sources on indoor radon levels.

Authors :: Yasouka, Y.
Ishikawa, T.
Tokonami, S.
Takahashi, H.
Narazaki, Y.
Sinogi, M.
Source :: Journal of Radioanalytical & Nuclear Chemistry; Jan2008, Vol. 275 Issue 1, p165-172, 8p, 1 Diagram, 2 Charts, 4 Graphs
Publication Year :: 2008
Abstract: Indoor airborne radon concentration released from water was estimated over several months based on experimental measurements. When heated water including radon was used, the radon level became high in the entire house. Filling the bathtub with hot water had a strong effect on the indoor radon level. In winter, the indoor radon concentration was high due to windows being closed. The radon transfer coefficient was estimated 2.5·10<superscript>−4</superscript> in this test house. This is 2.5 times higher than the average radon transfer efficiency estimated by UNSCEAR. [ABSTRACT FROM AUTHOR]

Subjects :: GROUNDWATER
CASE studies
RADON
NOBLE gases
NUCLEAR chemistry
PHYSICAL & theoretical chemistry

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