Survey of Radon Concentrations in the University of Granada in Southern Spain
Abstract
:1. Introduction
2. Materials and Methods
2.1. Study Areas
2.2. Statistical Analysis
3. Results
Decontamination by Ventilation
4. Discussion
5. Conclusions
Author Contributions
Funding
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Measurement Range | 0 … 10 MBq/m3 |
---|---|
Error | ±5% within the whole range or smaller |
1.8 cpm/1000 Bq/m3 (regardless of the humidity) | |
Sensitivity | 200 Bq/m3 with statistical error of 20% (1 σ) at 1 h interval |
1000 Bq/m3 with statistical error <10% (1 σ) at 1 h interval | |
100 Bq/m3 with statistical error of 17% (1 σ) at 3 h interval | |
Response Time | 120 min to 95% of final value |
Internal Sensors: | |
Relative humidity | (0 … 100%) |
Temperature | (−20 … 40 °C) |
Barometric pressure | (800 … 1200 mbar) |
Battery operation | >90 days |
Uncertainty | 1–2 Bq/m3 |
University Building | Radon (Bq/m3) | T (°C) | % RH | P (mbar) | Radon | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Study Area | Floor | Sample Time (Hours) | Data Recorded | AM | SD | P50 | P90 | Min | Max | AM | AM | AM | Total Exposure (Bqh/m3) | |
School of Sciences | NV-warehouse | basement | 151 | 52 | 37 | 21 | 29 | 70 | 9 | 88 | 17 | 45 | 947 | 5629 |
V-warehouse | basement | 162 | 54 | 12 | 8 | 12 | 23 | 0 | 38 | 14 | 62 | 948 | 1958 | |
Central laboratory | basement | 1104 | 368 | 70 | 59 | 47 | 173 | 0 | 265 | 15 | 54 | 0 | 76,788 | |
Maintenance room | basement | 42 | 14 | 40 | 27 | 29 | 69 | 9 | 109 | 17 | 45 | 947 | 1571 | |
Documentation-archives room | basement | 214 | 214 | 32 | 21 | 26 | 62 | 0 | 97 | 20 | 44 | 951 | 6890 | |
Royal Hospital | Porter’s office | ground | 984 | 984 | 17 | 17 | 9 | 36 | 0 | 115 | 20 | 36 | 951 | 16,957 |
Reading-study room | ground | 842 | 842 | 95 | 46 | 97 | 150 | 0 | 247 | 22 | 47 | 942 | 80,293 | |
School of Computer Sciences | Porter’s office | ground | 360 | 120 | 14 | 8 | 12 | 24 | 0 | 39 | 23 | 38 | 943 | 4793 |
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Calvente, I.; Núñez, M.I.; Chahboun Karimi, R.; Villalba-Moreno, J. Survey of Radon Concentrations in the University of Granada in Southern Spain. Int. J. Environ. Res. Public Health 2021, 18, 2885. https://doi.org/10.3390/ijerph18062885
Calvente I, Núñez MI, Chahboun Karimi R, Villalba-Moreno J. Survey of Radon Concentrations in the University of Granada in Southern Spain. International Journal of Environmental Research and Public Health. 2021; 18(6):2885. https://doi.org/10.3390/ijerph18062885
Chicago/Turabian StyleCalvente, Irene, María Isabel Núñez, Rachid Chahboun Karimi, and Juan Villalba-Moreno. 2021. "Survey of Radon Concentrations in the University of Granada in Southern Spain" International Journal of Environmental Research and Public Health 18, no. 6: 2885. https://doi.org/10.3390/ijerph18062885