title: Discussion about surface boundary conditions of radon concentration and surface exhalation rate calculations in indoor concrete slab.
abstract: In this paper, the rationality of boundary conditions that assume radon concentration at the surface of a concrete slab to be zero, or radon concentration at an infinite point in air to be zero, are discussed in the calculations of radon concentration and surface exhalation rate from a concrete slab. Expressions to calculate radon concentration and surface exhalation rate in indoor concrete slab are given for both boundary conditions.
authors.affiliation: HI-TECH Institute, Xi'an, China.
authors.forename: B
authors.initials: B
authors.lastname: He
authors.forename: A G
authors.initials: AG
authors.lastname: Shang
authors.forename: H P
authors.initials: HP
authors.lastname: Guo
mesh_terms: D000396:Air Pollutants, Radioactive / Q000032:analysis*; D016902:Air Pollution, Indoor / Q000032:analysis*; D000465:Algorithms; D003252:Construction Materials; D006798:Housing; D011886:Radon / Q000032:analysis*; D013499:Surface Properties; D014691:Ventilation
chemical_list: D000396:Air Pollutants, Radioactive; D011886:Radon