title: Indoor radon concentrations in Greek apartment dwellings.
abstract: Radon concentrations indoors were determined in 24 typical occupied apartments in the city of Thessaloniki, North Greece (40 degrees 38'N, 22 degrees 58'E), by means of 12 surveys, each 2 mo long, over a 2-y period starting October 1989. The ratio of the winter and summer averages for the first year of measurements was 1.8 +/- 0.78, and for the second year of measurements was 1.6 +/- 0.61. The indoor radon concentration in the summer (1990) period ranged between 8 and 81 Bq m-3, while in the winter (1989-1990) it ranged between 20 and 143 Bq m-3 for the first year of measurements or between 8 and 92 Bq m-3 in the summer (1991) period and between 12 and 119 Bq m-3 in the winter (1990-1991) for the second year of measurements. These results were obtained by type CN-85 alpha track detectors. Some parameters that influenced the concentrations, such as precipitation rates and use of fly ash in building materials, are discussed.
authors.affiliation: Nuclear Physics Department, Aristotle University of Thessaloniki, Greece.
authors.forename: C
authors.initials: C
authors.lastname: Papastefanou
authors.forename: S
authors.initials: S
authors.lastname: Stoulos
authors.forename: M
authors.initials: M
authors.lastname: Manolopoulou
authors.forename: A
authors.initials: A
authors.lastname: Ioannidou
authors.forename: S
authors.initials: S
authors.lastname: Charalambous
mesh_terms: D016902:Air Pollution, Indoor / Q000032:analysis*; D000398:Air Pollution, Radioactive / Q000032:analysis*; D006115:Greece; D006801:Humans; D011886:Radon / Q000032:analysis*; D012621:Seasons
chemical_list: D011886:Radon