Estimating exposure to extremely low frequency magnetic fields near high-voltage power lines and assessment of possible increased cancer risk among Slovenian children and adolescents
, , , , , and | Jan 08, 2023
About this article
Article Category: Research Article
Published Online: Jan 08, 2023
Page range: 59 - 69
Received: Oct 25, 2022
Accepted: Nov 10, 2022
DOI: https://doi.org/10.2478/raon-2023-0002
© 2023 Tina Zagar, Blaz Valic, Tadej Kotnik, Sara Korat, Sonja Tomsic, Vesna Zadnik, Peter Gajsek, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
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Comparison of the calculated and measured value of the extremely low frequency magnetic field for 400 kV power line with the highest mean load
| Location | 1 | 2 | 3 | 4 | 5 |
|---|---|---|---|---|---|
| Calculated value [μT] | 7.4 | 3.8 | 3.0 | 9.1 | 3.4 |
| Measured value [μT] | 7.3 | 3.4 | 4.1 | 12.3 | 2.7 |
The distances from the 400 kV power line with the highest mean load, at which the value of the extremely low frequency magnetic field falls below 0.1, 0.2, 0.3 and 0.4 μT, respectively
| Distance | B = 0.1 μT | B = 0.2 μT | B = 0.3 μT | B = 0.4 μT |
|---|---|---|---|---|
| Nominal load | 340 m | 238 m | 193 m | 167 m |
| Highest daily mean load (2164 A, 23. 11. 2010) | 303 m | 212 m | 172 m | 149 m |
| Highest weekly mean load (1987A, 22. – 28.11.2010) | 290 m | 203 m | 165 m | 143 m |
| Highest monthly mean load (1588 A, 11. 2010) | 258 m | 181 m | 147 m | 127 m |
| Highest yearly mean load (842A, 2016) | 187 m | 131 m | 107 m | 92 m |
| Total mean load (742 A, 1. 1. 2006 – 31. 12. 2017) | 175 m | 123 m | 99 m | 87 m |
The proportion of Slovenian population of children and adolescents in 2005–2016, observed and expected number of cancer cases, and standardized incidence ratio with 95% confidence interval for all cancers combined (age 0–14 years), leukemia (age 0–19 years) and brain tumors (age 0–29 years) are presented according to five categories of ELF MF exposure
| < 0.1 mT | 0.1–0.2 mT | 0.2–0.3 mT | 0.3–0.4 mT | ≥ 0.4 mT | |
|---|---|---|---|---|---|
| Population* (proportion) | 99.5 % | 0.2 % | 0.1 % | 0.1 % | 0.1 % |
| Observed number of cases | 516 | 0 | 0 | 0 | 0 |
| Expected number of cases | 513.6 | 1.1 | 0.6 | 0.3 | 0.5 |
| Standardized (95% confidence incidence interval) ratio | 1.0 (0.9–1.1) | no cases | no cases | no cases | no cases |
| Observed number of cases | 194 | 1 | 0 | 0 | 0 |
| Expected number of cases | 194.1 | 0.4 | 0.2 | 0.1 | 0.2 |
| Standardized interval) incidence ratio (95% confidence | 1.0 (0.9–1.2) | 2.4 (0.1–13.3) | no cases | no cases | no cases |
| Observed number of cases | 195 | 0 | 1 | 0 | 0 |
| Expected number of cases | 178.4 | 0.4 | 0.2 | 0.1 | 0.2 |
| Standardized interval) incidence ratio (95% confidence | 1.0 (0.9–1.2) | no cases | 4.6 (0.1–25.4) | no cases | no cases |