The concentration of radon gas in air-conditioned indoor
Air quality can increase the potential of lung cancer
Research has been conducted on the concentration of radon gas in air quality in air-conditioned rooms that can increase the potential for lung cancer. Indoor air quality is influenced by factors such as room occupants, material buildings, equipment and furniture in the room, contamination of pollutants from the outdoor air, seasonal influences, lighting, temperature, humidity, indoor noise, and ventilation. In addition, indoor air quality can be affected by radon gas. The concentration of radon gas is relatively high compared to other natural radionuclides. It is estimated that around 55% of the radionuclide concentration in nature comes from radon gas and is the largest source of radiation received by the world population, which is around 1.3 mSv/year. Based on the Risert of the National Institute of Occupational Health and Safety (NIOSH), America in 1997 as many as 52% of respiratory diseases associated with sick building syndrome stemmed from a lack of ventilation in the room and poor AC room performance, thus increasing the potential for lung cancer. The method used in this study is to determine the physical quantity and concentration of the radiation dose of radon gas in the room. The results show that air quality in terms of temperature, humidity, and noise is significantly still in compliance with environmental health requirements according to Kepmenkes No. 1405/Menkes/SK/XI/2002. But the lighting in the room has not been significantly fulfilled. Rooms with gypsum ceilings increase radiation doses and air-conditioned rooms can accumulate radiation doses evenly in the room.
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