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Analysis of population knowledge about radon in selected localities in the Czech Republic
STARÁ, Adéla
This work summarizes information about radioactivity, natural sources, and radon. It also addresses health complications associated with radon, sources and ways it penetrates buildings. Furthermore, it discusses the radon program, which outlines anti-radon measures aimed at protecting the population from radon exposure through effective building modifications. The aim of the presented bachelor thesis is to determine the level of awareness among the population of the South Bohemian Region about radon. It compares the awareness of the population in the South Bohemian Region about radon in the age category up to 40 years and in the age category over 40 years. A questionnaire survey was used to achieve this goal. This survey determined the extent to which residents of the South Bohemian Region are familiar with the topic of radon. On average, people answered correctly 68 % of the time. The research section summarizes the results of the questionnaire survey using graphs. These results are further processed using statistical methods. Thanks to these methods, both hypotheses were confirmed. The first hypothesis examined whether the awareness of the population of the South Bohemian Region about radon would reach at least 70 %, which was confirmed using a one-sample t-test. The second hypothesis concerned comparing the knowledge of the population of the South Bohemian Region about radon. It was investigated whether the awareness of the population in the age category over 40 years would be statistically significantly higher than the awareness of the population in the age category up to 40 years. The hypothesis was confirmed using a two-sample t-test.
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Irradiation of the population from natural sources
UHLÍŘOVÁ, Daniela
Natural sources of radiation cause much higher exposure than artificial sources and can come in many forms. Natural sources of ionizing radiation are cosmic rays and natural radionuclides. Radon accounts for the largest percentage of the population's exposure. In the Czech Republic, radon occurs to a large extent, and because of this, we are among the countries with the largest volumetric activity of radon. The aim of the submitted bachelor's thesis was to find out and compare the awareness of the population in the area of natural sources of ionizing radiation in selected localities with high and low incidence of radon, namely Příbramsko and Mostecko. The theoretical part contains knowledge about radioactivity, biological effects of ionizing radiation, natural sources of ionizing radiation and quantities associated with ionizing radiation. A section is also devoted to the radon issue, health complications associated with radon and the radon program, which summarizes anti-radon measures. In the research part, the results of the questionnaire survey are summarized using graphs. These results are further processed using statistical methods, thanks to which both given hypotheses were confirmed. The first hypothesis examined whether the total awareness of the population would reach at least 70%, which was confirmed using a one-sample t-test. The second hypothesis related to the comparison of the knowledge of the population in the area of natural sources of ionizing radiation in people living in a locality with a higher incidence of radon and in people living in a locality with a lower incidence of radon, where the awareness of people in localities with a higher incidence of radon should be considerably higher. The hypothesis was confirmed using a two-sample t-test.
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