Experimental Studies to Test a Predictive Indoor Radon Model
Abstract
:1. Introduction
2. Materials and Methods
2.1. Description of the Experimental Site
2.2. Description of Measurements
2.3. Description of the Model
3. Results and Discussion
4. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Conflicts of Interest
References
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Protocol Name | Duration [hh:mm] | 222Rn Activity Concentration [kBq/m3] | Outdoor Weather Condition | |
---|---|---|---|---|
Temperature | Humidity | |||
[°C] | [%] | |||
GRAB | 00:30 | 15.20 ± 90 | 21 | 69 |
GRAB | 00:30 | 9.22 ± 51 | 25 | 68 |
Protocol Name | Duration [hh:mm] | 222Rn Activity Concentration [kBq/m3] | Description of the Wall |
---|---|---|---|
BM | 02:00 | 0.2 ± 0.06 | 50 cm yellow tuff covered by 2 cm of plaster |
BM | 02:00 | 0.06 ± 0.03 | 10 cm clay brick covered by 1.5 cm of plaster |
Protocol Name | Duration [hh:mm] | 222Rn Activity Concentration [kBq/m3] | 220Rn Activity Concentration [kBq/m3] | Outdoor Weather Condition | |
---|---|---|---|---|---|
Temperature | Humidity | ||||
[°C] | [%] | ||||
GRAB (thoron on) | 00:30 | 0.09 ± 0.04 1 | 0.08 | 4 | 31 |
GRAB(thoron on) | 00:30 | 0.05 ± 0.02 2 | 0.05 | 32 | 55 |
Protocol Name | Duration [hh:mm] | 222Rn Activity Concentration [kBq/m3] |
---|---|---|
GRAB | 00:30 | 0.30 ± 0.10 1 |
GRAB | 00:30 | 0.18 ± 0.05 2 |
Symbol | Description |
---|---|
Vi | Volume of the room |
Sbm | BM surface area |
Ci Ceq ED | indoor radon concentration equilibrium indoor radon concentration total rate of diffusion radon entry |
Cbm | BM radon concentration |
λrn | Radon decay constant |
λ | ventilation rate factor |
222Rn Activity Concentration 1 [kBq/m3] | 222Rn Activity Concentration 2 [kBq/m3] | λ [h−1] |
---|---|---|
0.31 ± 0.11 | 0.30 ± 0.09 | 0.23 |
0.18 ± 0.48 | 0.20 ± 0.05 | 0.39 |
0.09 ± 0.045 | 0.09 ± 0.03 | 0.74 |
0.05 ± 0.02 | 0.06 ± 0.02 | 1.20 |
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Mancini, S.; Vilnitis, M.; Todorović, N.; Nikolov, J.; Guida, M. Experimental Studies to Test a Predictive Indoor Radon Model. Int. J. Environ. Res. Public Health 2022, 19, 6056. https://doi.org/10.3390/ijerph19106056
Mancini S, Vilnitis M, Todorović N, Nikolov J, Guida M. Experimental Studies to Test a Predictive Indoor Radon Model. International Journal of Environmental Research and Public Health. 2022; 19(10):6056. https://doi.org/10.3390/ijerph19106056
Chicago/Turabian StyleMancini, Simona, Martins Vilnitis, Nataša Todorović, Jovana Nikolov, and Michele Guida. 2022. "Experimental Studies to Test a Predictive Indoor Radon Model" International Journal of Environmental Research and Public Health 19, no. 10: 6056. https://doi.org/10.3390/ijerph19106056