| Title: | Health Risk Assessment Based on Exposure to Chemicals in Air |
| Author(s): | Sakamoto H; Uchiyama S; Sato A; Isobe T; Kunugita N; Ogura H; Nakayama SF; |
| Address: | "Faculty and Graduate School of Engineering, Chiba University, Chiba 263-8522, Japan. Japan Environment and Children's Study Programme Office, National Institute for Environmental Studies, Tsukuba 305-8506, Japan. School of Health Sciences, University of Occupational and Environmental Health, Fukuoka 807-8555, Japan" |
| Journal Title: | Int J Environ Res Public Health |
| ISSN/ISBN: | 1660-4601 (Electronic) 1661-7827 (Print) 1660-4601 (Linking) |
| Abstract: | "Few studies have investigated personal exposure concentrations of not only some volatile organic compounds but also more types of chemicals including acidic gases and acrolein. We measured the personal exposure concentrations of 35 chemicals including these chemicals in indoor and outdoor air in Chiba-shi, Japan, for 7 days in summer and winter to assess the associated health risks in 22 people. The personal exposure concentrations of nitrogen dioxide were higher in winter than in summer, and those of formaldehyde, p-dichlorobenzene, and tetradecane were higher in summer than in winter. The personal exposure concentrations were mostly equal to or lower than the concentrations in indoor air, contrary to the results of a lot of previous studies. The high-risk chemicals based on personal exposure concentrations were identified as acrolein (max. 0.43 mug/m(3)), benzene (max. 3.1 mug/m(3)), and hexane (max. 220 mug/m(3)) in summer, and acrolein (max. 0.31 mug/m(3)), nitrogen dioxide (max. 320 mug/m(3)), benzene (max. 5.2 mug/m(3)), formic acid (max. 70 mug/m(3)), and hexane (max. 290 mug/m(3)) in winter. In addition, we estimated personal exposure concentrations according to the time spent at home and the chemical concentrations in indoor and outdoor air. We found that the estimated concentrations of some participants largely differed from the measured ones indicating that it is difficult to estimate personal exposure concentrations based on only these data" |
| Keywords: | "Humans *Air Pollution, Indoor/analysis *Air Pollutants/analysis Nitrogen Dioxide/analysis Hexanes Benzene Risk Assessment Environmental Exposure/analysis Environmental Monitoring/methods diffusive sampler health risk assessment indoor air quality personal;" |
| Notes: | "MedlineSakamoto, Hironari Uchiyama, Shigehisa Sato, Ayana Isobe, Tomohiko Kunugita, Naoki Ogura, Hironao Nakayama, Shoji F eng Research Support, Non-U.S. Gov't Switzerland 2022/12/12 Int J Environ Res Public Health. 2022 Nov 28; 19(23):15813. doi: 10.3390/ijerph192315813" |
