The common presence of the radioactive nuclides in the environment cause that the whole population are exposed to radiation. The dose that is annually received by Polish population from natural sources of radiation is about 2.4 mSv per year [1]. According to the UNSCEAR 2000 Report [2], radon is the greatest contributor of exposure to natural radiation for humans. Soil and the rocks on which th...

Purpose: Radon (222Rn) and its decay products clinging to airborne particles settle in the lungs when inhaled can lead lung cancer. The main source of 222Rn is rocks soil Earth's crust causes indoor radon exposure local geological material used as a building material. Accordingly, primary objective study determine activity concentrations (CRn) exhalation rates (EA EM) from different rock types ...

BACKGROUND The main sources of radiation exposure of all living organisms including humans are natural. In fact, radon and its decay products are the cause of 50% of the total dose that is derived from natural sources. Because of the significant health hazards of radon gas, its levels are widely monitored throughout the world. Accordingly, considerable researches have also been carried out in I...

The bulk of bricks made worldwide are burnt clay bricks, and this volume manufacture requires 230 - 242 million m3 agricultural land. This corresponds to 25,500 hectares rich farmland at a depth 1 meter. type exploitation will have substantial detrimental impact on national food security. According the present need, efficient use industrial waste, such as fly ash, is necessary. So it becomes ve...

Exposure to indoor radioactive gases for long spells increases the risk of health-related issues. The primary mechanism contributing radon levels is transportation, subsequently exhalation from soil matrix/ building material matrix enclosed air dwellings. Long-term exposure elevated may lead possibility problems. use Radon Transportation Resistive (RTR) in construction reduce concentration. pur...

Long-term exposure to radon increases the risk of developing lung cancer. There is a considerable public concern about exhalation from building materials and its contribution indoor levels. To address this concern, rates were determined for 24 different samples material commonly used in Al - Diwaniyah, Iraq dwellings, using solid-state nuclear track detectors (CR-39). The highest found Granite ...

Radon gas concentrations and uranium-238 concentration in soil samples at the surface (depth = 15 cm) were determined for fifteen three refineries (Al-Kasak, Al-Qayarah, Baiji) using “sealed can technique”. CR-39 solid-state nuclear pathway detectors. The of radon Al-kasak refinery ranged from (1509 to 8323.2 Bq/m3) with an average (4916.1 Bq/m3), exhalation rate (1110.3 612.7 (861.5 Bq/m3). ef...