title: Radon and radium concentration in water from North-West of Romania and the estimated doses.
abstract: In the present study, the measurements of radon were carried out using the LUK-VR system based on radon gas measurements with Lucas cells. The radium concentration in water was determined, with the same device, immediately after was established the radon equilibrium with radium. The results presented here are from a survey carried out in the N-W region of Transylvania (Romania) in which were investigated the radon concentrations in natural (spring, well and surface) and drinking (tap) waters. The results showed radon concentrations within the range of 0.4-187.3 Bq l(-1) with an average value of 15.9 Bq l(-1) whereas radium concentration varied between 0.05 and 0.825 Bq l(-1) with an average value of 0.087 Bq l(-1) for all types of water covered within this survey. The corresponding annual effective ingestion dose due to radon and radium from water was determined from drinking water used by the population inhabiting the area.
authors.affiliation: Faculty of Environmental Science and Engineering, Babeş-Bolyai University, Cluj-Napoca, România Interdisciplinary Research Institute on Bio-Nano-Sciences of Babeş-Bolyai University, Cluj-Napoca, România mircea.moldovan@ubbcluj.ro.
authors.forename: M
authors.initials: M
authors.lastname: Moldovan
authors.affiliation: ANRANR, Chişinău, Republic of Moldova.
authors.forename: V
authors.initials: V
authors.lastname: Benea
authors.affiliation: Interdisciplinary Research Institute on Bio-Nano-Sciences of Babeş-Bolyai University, Cluj-Napoca, România.
authors.forename: D C
authors.initials: DC
authors.lastname: Niţă
authors.affiliation: Interdisciplinary Research Institute on Bio-Nano-Sciences of Babeş-Bolyai University, Cluj-Napoca, România.
authors.forename: B
authors.initials: B
authors.lastname: Papp
authors.affiliation: Interdisciplinary Research Institute on Bio-Nano-Sciences of Babeş-Bolyai University, Cluj-Napoca, România.
authors.forename: B D
authors.initials: BD
authors.lastname: Burghele
authors.affiliation: Faculty of Environmental Science and Engineering, Babeş-Bolyai University, Cluj-Napoca, România.
authors.forename: N
authors.initials: N
authors.lastname: Bican-Brişan
authors.affiliation: Faculty of Environmental Science and Engineering, Babeş-Bolyai University, Cluj-Napoca, România Interdisciplinary Research Institute on Bio-Nano-Sciences of Babeş-Bolyai University, Cluj-Napoca, România.
authors.forename: C
authors.initials: C
authors.lastname: Cosma
mesh_terms: D016902:Air Pollution, Indoor / Q000032:analysis*; D060766:Drinking Water / Q000032:analysis*; D006801:Humans; D011829:Radiation Dosage; D011834:Radiation Monitoring; D011883:Radium / Q000032:analysis*; D011886:Radon / Q000032:analysis*; D012383:Romania; D014875:Water Pollutants, Radioactive / Q000032:analysis*; D014881:Water Supply / Q000032:analysis; D060986:Water Wells / Q000032:analysis
chemical_list: D060766:Drinking Water; D014875:Water Pollutants, Radioactive; D011886:Radon; D011883:Radium