Articoli di riviste: "Indoor air pollution"

1

Gold, Diane R. "INDOOR AIR POLLUTION". Clinics in Chest Medicine 13, n. 2 (giugno 1992): 215–29. http://dx.doi.org/10.1016/s0272-5231(21)00852-2.

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Spengler, John D. "Indoor Air Pollution". Allergy and Asthma Proceedings 6, n. 2 (1 aprile 1985): 126–34. http://dx.doi.org/10.2500/108854185779045198.

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3

Levy, Leonard S. "Indoor Air Pollution". Indoor and Built Environment 3, n. 6 (1994): 364–65. http://dx.doi.org/10.1159/000463590.

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Etzel, Ruth A. "Indoor Air Pollution". Pediatric Annals 24, n. 12 (1 dicembre 1995): 653–56. http://dx.doi.org/10.3928/0090-4481-19951201-09.

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Brimblecombe, P., e M. Cashmore. "Indoor air pollution". Journal de Physique IV (Proceedings) 121 (dicembre 2004): 209–21. http://dx.doi.org/10.1051/jp4:2004121014.

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6

Hinkle, L. E. "Indoor Air Pollution". Journal of Urology 138, n. 3 (settembre 1987): 693. http://dx.doi.org/10.1016/s0022-5347(17)43343-x.

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Briasco, Marie E. "Indoor Air Pollution". AAOHN Journal 38, n. 8 (agosto 1990): 375–80. http://dx.doi.org/10.1177/216507999003800804.

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Emmelin, Anders, e Stig Wall. "Indoor Air Pollution". Chest 132, n. 5 (novembre 2007): 1615–23. http://dx.doi.org/10.1378/chest.07-1398.

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Levy, Leonard S. "Indoor Air Pollution". Indoor Environment 3, n. 6 (novembre 1994): 364–65. http://dx.doi.org/10.1177/1420326x9400300612.

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Su, WeiHan. "Indoor air pollution". Resources, Conservation and Recycling 16, n. 1-4 (aprile 1996): 77–91. http://dx.doi.org/10.1016/0921-3449(95)00048-8.

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Saravanan, N. Port. "Indoor air pollution". Resonance 9, n. 1 (gennaio 2004): 6–11. http://dx.doi.org/10.1007/bf02902524.

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Mohanty, Snehasis, Anisha Mani e Sravan P.A. "Indoor Air Pollution". International Journal for Research in Applied Science and Engineering Technology 11, n. 1 (31 gennaio 2023): 53–57. http://dx.doi.org/10.22214/ijraset.2023.48483.

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Liu, K. F. R., K. Yeh, M. J. Hung, C. W. Chen e Y. S. Shen. "Health Risk Analysis of Indoor Air Pollution". International Journal of Environmental Science and Development 6, n. 6 (2015): 464–68. http://dx.doi.org/10.7763/ijesd.2015.v6.638.

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14

Qiao, Yong. "The Study on University Gymnasium Indoor Air Pollution Control". Advanced Materials Research 573-574 (ottobre 2012): 288–92. http://dx.doi.org/10.4028/www.scientific.net/amr.573-574.288.

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People spend 80% of your time indoors. Because indoor pollutant concentration is generally higher than the corresponding outdoor concentration, indoor air quality (IAQ) is obviously an environment of the component, about the human health and comfortable sense. This paper introduced the main source of the classification and main air pollution indoor environmental impact stadium. We analyses the main influencing factors on indoor air conditioning system of indoor air quality. Paper proposes some measures to improve the indoor air quality indoor stadium.

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Zaporozhets, Artur, Vitalii Babak, Ganna Kostenko, Anastasia Sverdlova, Oleg Dekusha e Serhii Kornienko. "Some features of air pollution monitoring as a component of the microclimate of the premises". System Research in Energy 2023, n. 4 (14 novembre 2023): 65–73. http://dx.doi.org/10.15407/srenergy2023.04.065.

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The quality of living space largely depends on the quality of indoor air. The physical and chemical properties of the air people breathe can affect their health and comfort. Indoor air pollution in residential and workplace environments can occur due to various activities of occupants or employees, such as cooking, smoking, and using electronic devices, as well as emissions of pollutants from building materials and the use of certain products. Pollutants that can be present indoors include carbon monoxide, formaldehyde, volatile organic compounds, particulate matter, aerosols, biological contaminants, and more. To effectively monitor the quality of atmospheric air, it is necessary to determine the main sources of air pollution, which is the purpose of this study. Naturally, the quality of indoor air cannot be clearly separated from the ambient air quality. The first factor affecting the microclimate is the level of air pollution near the building. Air from the street enters the room through windows, doors, or the building's ventilation system. If the state of the surrounding environment is unfavorable, the concentration of harmful substances indoors may also exceed the norm. However, indoor sources of air pollution in any building can have a much greater impact on the health and comfort of the people inside it. Materials used in construction, such as concrete or mineral insulation, may contain ammonia, formaldehyde, and other substances that are released from building structures over time and deteriorate indoor air quality. Ensuring control and monitoring of indoor air quality is an extremely important task. This includes measuring concentrations of pollutants and identifying their sources. It is also important to adhere to standards and recommendations developed by health and environmental organizations to ensure safety and comfort indoors. To reduce indoor air pollution, various measures can be implemented, such as selecting appropriate building materials, and ventilation, installing purification systems, controlling sources of pollution, and limiting the impact of human activity. Keywords: air pollution, microclimate parameters, air quality monitoring, harmful substances.

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Eltzov, Evgeni, Abri Lavena De Cesarea, ‘Yuen Kei Adarina Low e Robert S. Marks. "Indoor air pollution and the contribution of biosensors". EuroBiotech Journal 3, n. 1 (1 gennaio 2019): 19–31. http://dx.doi.org/10.2478/ebtj-2019-0003.

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Abstract A vast majority of people today spend more time indoors than outdoors. However, the air quality indoors may be as bad as or even worse than the air quality outside. This is due to the continuous circulation of the same air without proper ventilation and filtration systems, causing a buildup of pollutants. As such, indoor air quality monitoring should be considered more seriously. Indoor air quality (IAQ) is a measure of the air quality within and around buildings and relates to the health and comfort of building occupants. To determine the IAQ, computer modeling is done to simulate the air flow and human exposure to the pollutant. Currently, very few instruments are available to measure the indoor air pollution index. In this paper, we will review the list of techniques available for measuring IAQ, but our emphasis will be on indoor air toxicity monitoring.

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Jing, Lijun, e Jun Wang. "Characteristics of indoor ozone pollution in residential buildings based on outdoor air pollution". E3S Web of Conferences 356 (2022): 05033. http://dx.doi.org/10.1051/e3sconf/202235605033.

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Ozone pollution can not only cause serious effects on human respiratory tract, lung, cardiovascular and immune system, but also lead to secondary pollution of indoor air environment by reacting with human surface sebum, building materials surface and other indoor compounds. As people stay indoors for more than 90% of their time, indoor ozone exposure is far more harmful than outdoor ozone exposure. Indoor ozone mainly comes from the outdoor environment. Therefore, it is an important prerequisite for controlling indoor ozone pollution to master the characteristics of indoor ozone pollution concentration under the influence of outdoor air pollution. The outdoor ozone concentration of 20 representative cities in the five climatic areas of China were investigated in this study. Meanwhile, indoor ozone concentration was predicted based on I/O ratio (indoor-outdoor concentration ratio). Furthermore, the indoor ozone pollution level affected by window opening time, air change rate and ozone deposition velocity was analyzed. The results show that the increase of air change rate and window opening time leads to the rise of indoor ozone pollution level. Moreover, the growing up of ozone deposition velocity may cause more ozone to be removed by the indoor surface, then the indoor ozone concentration decreases. In addition, indoor ozone pollution is the most serious in cold zone and the least serious in mild zone.

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Bandehali, Samaneh, Taghi Miri, Helen Onyeaka e Prashant Kumar. "Current State of Indoor Air Phytoremediation Using Potted Plants and Green Walls". Atmosphere 12, n. 4 (9 aprile 2021): 473. http://dx.doi.org/10.3390/atmos12040473.

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Urban civilization has a high impact on the environment and human health. The pollution level of indoor air can be 2–5 times higher than the outdoor air pollution, and sometimes it reaches up to 100 times or more in natural/mechanical ventilated buildings. Even though people spend about 90% of their time indoors, the importance of indoor air quality is less noticed. Indoor air pollution can be treated with techniques such as chemical purification, ventilation, isolation, and removing pollutions by plants (phytoremediation). Among these techniques, phytoremediation is not given proper attention and, therefore, is the focus of our review paper. Phytoremediation is an affordable and more environmentally friendly means to purify polluted indoor air. Furthermore, studies show that indoor plants can be used to regulate building temperature, decrease noise levels, and alleviate social stress. Sources of indoor air pollutants and their impact on human health are briefly discussed in this paper. The available literature on phytoremediation, including experimental works for removing volatile organic compound (VOC) and particulate matter from the indoor air and associated challenges and opportunities, are reviewed. Phytoremediation of indoor air depends on the physical properties of plants such as interfacial areas, the moisture content, and the type (hydrophobicity) as well as pollutant characteristics such as the size of particulate matter (PM). A comprehensive summary of plant species that can remove pollutants such as VOCs and PM is provided. Sources of indoor air pollutants, as well as their impact on human health, are described. Phytoremediation and its mechanism of cleaning indoor air are discussed. The potential role of green walls and potted-plants for improving indoor air quality is examined. A list of plant species suitable for indoor air phytoremediation is proposed. This review will help in making informed decisions about integrating plants into the interior building design.

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Sherman, J. D. "100 INDOOR-AIR POLLUTION". Epidemiology 6, n. 2 (marzo 1995): S24. http://dx.doi.org/10.1097/00001648-199503000-00130.

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20

Nero, Anthony V. "Controlling Indoor Air Pollution". Scientific American 258, n. 5 (maggio 1988): 42–48. http://dx.doi.org/10.1038/scientificamerican0588-42.

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Hopke, PhilipK. "Indoor air pollution: radioactivity". TrAC Trends in Analytical Chemistry 4, n. 7 (agosto 1985): V—VI. http://dx.doi.org/10.1016/0165-9936(85)88018-3.

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Lodge, James P. "Indoor air pollution control". Atmospheric Environment. Part A. General Topics 24, n. 11 (1990): 2900–2901. http://dx.doi.org/10.1016/0960-1686(90)90194-r.

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23

Gee, Ivan. "Monitoring Indoor Air Pollution". Indoor and Built Environment 10, n. 3-4 (maggio 2001): 123–24. http://dx.doi.org/10.1177/1420326x0101000301.

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24

Kumar, Ashok. "Indoor air pollution control". Journal of Hazardous Materials 26, n. 1 (gennaio 1991): 91. http://dx.doi.org/10.1016/0304-3894(91)85008-b.

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Friedrich, M. J. "Reducing Indoor Air Pollution". JAMA 306, n. 23 (21 dicembre 2011): 2553. http://dx.doi.org/10.1001/jama.2011.1807.

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26

Velichkova, Rositsa, Peter Stankov, Radositna A. Angelova, Iskra Simova e Detelin Markov. "INFLUENCE OF INDOOR POLLUTION AND PARAMETERS ON HUMAN HEALTH". CBU International Conference Proceedings 7 (30 settembre 2019): 1015–19. http://dx.doi.org/10.12955/cbup.v7.1493.

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Indoor air quality (IAQ) is an important issue, considering that modern people spend most of their time indoors in houses, workplaces, recreation areas. IAQ has a serious impact on human health, comfort, performance, and wellbeing. In order to minimize the negative consequences, considerable efforts are made to assure the high quality of the indoor air. In the present paper, indoor pollution is analysed in light of its effect on IAQ and human health. The indoor pollutants are due to the presence of higher concentrations of chemical species, physical processes or biologicals in the ambient air.

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Barde, Pradeep. "Indoor air pollution in India: sources to solution". NMO Journal 17, n. 1 (2023): 41–46. http://dx.doi.org/10.53772/nmo.2023.17110.

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The indoor air pollution is important area of concern in modern times where we spent most of time indoors after our daily routine. This is also a serious public health concern in India with more than half of the Indian households relying on solid fuel use. The important sources for indoor air pollution include PM 2.5, VOCs and biological pollutants. Three pronged strategy of source reduction through certain changes, adequate ventilation of living spaces and correct methods of cleaning the indoor air by use of air purifiers and indoor plants will help to reduce the indoor air pollution levels thereby decrease its impact on our health. In this article, we reviewed these strategies. Though all standardised survey shows decreasing trend in the tobacco consumption, it is still at higher level that affects the community. Policy makers should channelize their efforts to use innovative ways for IEC and for controlling addiction.

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Aurora, Wahyu Indah Dewi. "EFEK INDOOR AIR POLLUTION TERHADAP KESEHATAN". Electronic Journal Scientific of Environmental Health And Disease 2, n. 1 (30 giugno 2021): 32–39. http://dx.doi.org/10.22437/esehad.v2i1.13750.

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ABSTRACT In recent decades, indoor air quality has been of particular concern because of its contribution to health. It is estimated that as much as 90% of people spend their time indoors rather than outdoors. If the ventilation system is poor, it will result in an accumulation of pollutants in the room. These pollutants can come from outdoor air that enters the room, growing microorganisms, interior furniture or furniture or from the daily activities of humans themselves. The health problems that will be caused also vary. It can be from lung disease caused by inhalation of dangerous pollutants such as lung infections, pneumonia, asthma or COPD. Or other diseases such as Sick Building Syndrome, nasopharyngeal cancer, skin irritation, eye irritation, etc. To overcome this, careful planning is needed when building a room or building to minimize health problems due to indoor air, one of which is collaborating with several experts. Keywords: Indoor Air Quality, Indoor Air Pollution, Health disease ABSTRAK Dalam beberapa decade terakhir,kualitas udara dalam ruangan menjadi perhatian khusus karena kontribusinya pada segi kesehatan. Diperkirakan ada sebanyak 90% orang-orang menghabiskan waktunya di dalam ruangan daripada di luar ruangan. Jika system ventilasi buruk, maka akan menghasilkan akumulasi polutan yang ada dalam ruangan. Polutan tersebut bisa berasal dari udara luar ruangan yang masuk ke dalam ruangan, mikroorganise yang tumbuh, perabotan atau furniture interior ruangan ataupun dari aktivitas keseharian manusia itu sendiri. Gangguan kesehatan yang akan diakibatkan pun bermacam-macam. Bisa dari penyakit paru akibat terhirup polutan yang berbahaya seperti penyakit infeksi paru, pneumonia, asma atau PPOK. Atau penyakit lain seperti Sick Building Syndrome, kanker nasofaring, iritasi kulit, iritasi pada mata, dll. Untuk mengatasinya perlulah perencanaan yang matang pada saat pembangunan sebuah ruangan atau gedung untuk meminimalisir gangguan kesehatan akibat udara dalam ruangan, salah satunya adalah berkolaborasi dengan beberapa ahli. Keywords: Indoor Air Quality, Indoor Air Pollution, Health disease

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Chu, Ka-Ui, e Yao-Hua Ho. "Max Fast Fourier Transform (maxFFT) Clustering Approach for Classifying Indoor Air Quality". Atmosphere 13, n. 9 (27 agosto 2022): 1375. http://dx.doi.org/10.3390/atmos13091375.

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Air pollution is a severe problem for the global environment. Most people spend 80% to 90% of the day indoors; therefore, indoor air pollution is as important as outdoor air pollution. The problem is more severe on school campuses. There are several ways to improve indoor air quality, such as air cleaners or ventilation. Air-quality sensors can be used to detect indoor air quality in real time to turn on air cleaner or ventilation. With an efficient and accurate clustering technique for indoor air-quality data, different ventilation strategies can be applied to achieve a better ventilation policy with accurate prediction results to improve indoor air quality. This study aims to cluster the indoor air quality data (i.e., CO2 level) collected from the school campus in Taiwan without other external information, such as geographical location or field usage. In this paper, we propose the Max Fast Fourier Transform (maxFFT) Clustering Approach to classify indoor air quality to improve the efficiency of the clustering and extract the required feature. The results show that without using geographical information or field usage, the clustering results can correctly reflect the ventilation condition of the space with low computation time.

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Putri, A. N. A. R., R. A. Salam, L. M. Rachmawati, A. Ramadhan, A. S. Adiwidya, A. Jalasena e I. Chandra. "Spatial Modelling of Indoor Air Pollution Distribution at Home". Journal of Physics: Conference Series 2243, n. 1 (1 giugno 2022): 012072. http://dx.doi.org/10.1088/1742-6596/2243/1/012072.

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Abstract In ancient times, humans were very accustomed to depending on nature, so that in the past humans held the title as an outdoor species. Over time with many technological advances, the pattern of human life has shifted to being an indoor species. Currently, almost 55% of the world’s population lives in urban areas and is projected to increase to 68% by 2050. Based on the National Human Activity Pattern Survey (NHAPS), the total time humans spend indoors is 86.9%. Research shows that air pollutants contained in indoor air are 2 to 5 times more than outdoor air. The neglect of the air conditioning system also worsens indoor air quality. It is often found that the supply of fresh air and the concentration of pollutants in the work or activity zone is unknown, even though this is a crucial matter. With the amount of time spent indoors, air quality and the distribution of pollutants in indoor air becomes very important. This research was conducted spatial modelling of air pollutant distribution using the kriging interpolation technique. The results of spatial modelling with this method produce an average of R-squared=70,98% dan RMSE = 0.03. Several factors influence the increase in pollutant concentrations that are the activity of the occupants, the number of occupants, and environmental conditions outside.

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Shrestha, Prateek M., Jamie L. Humphrey, Elizabeth J. Carlton, John L. Adgate, Kelsey E. Barton, Elisabeth D. Root e Shelly L. Miller. "Impact of Outdoor Air Pollution on Indoor Air Quality in Low-Income Homes during Wildfire Seasons". International Journal of Environmental Research and Public Health 16, n. 19 (21 settembre 2019): 3535. http://dx.doi.org/10.3390/ijerph16193535.

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Indoor and outdoor number concentrations of fine particulate matter (PM2.5), black carbon (BC), carbon monoxide (CO), and nitrogen dioxide (NO2) were monitored continuously for two to seven days in 28 low-income homes in Denver, Colorado, during the 2016 and 2017 wildfire seasons. In the absence of indoor sources, all outdoor pollutant concentrations were higher than indoors except for CO. Results showed that long-range wildfire plumes elevated median indoor PM2.5 concentrations by up to 4.6 times higher than outdoors. BC, CO, and NO2 mass concentrations were higher indoors in homes closer to roadways compared to those further away. Four of the homes with mechanical ventilation systems had 18% higher indoor/outdoor (I/O) ratios of PM2.5 and 4% higher I/O ratios of BC compared to other homes. Homes with exhaust stove hoods had PM2.5 I/O ratios 49% less than the homes with recirculating hoods and 55% less than the homes with no stove hoods installed. Homes with windows open for more than 12 hours a day during sampling had indoor BC 2.4 times higher than homes with windows closed. This study provides evidence that long-range wildfire plumes, road proximity, and occupant behavior have a combined effect on indoor air quality in low-income homes.

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Camance, Aldwin. "Heated tobacco products: Potentials of harm reduction, improvement of indoor air quality and the need for further studies". SciEnggJ 17, n. 1 (15 aprile 2024): 86–103. http://dx.doi.org/10.54645/2024171pwy-56.

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Air pollution is a major concern in the Philippines, with indoor and outdoor air pollution among the highest causes of mortality in the country. However, the latest regulations deal only with ambient outdoor air pollution. Indoor air pollution is seldom monitored or studied. Most of the official government monitoring data also deal with outdoor air pollution even if Filipinos spend more than 80% of their time indoors. Smoking indoors can be a cause of excess air pollutants in the indoor setting. Heated Tobacco products, newly introduced in the country, have been reported to reduce the harm of exposure to users to air pollutants. We investigated this through the review of 282 studies, research papers, books, and narratives about HTP use and their effects. These studies show reduced release of harmful and potentially harmful compounds (HPHC) in the aerosol and lower concentrations of HPHCs in the indoor environment when using HTPs as compared to tobacco smoke. Short term pre-clinical studies also show a reduction in the biomarkers for potential exposure to these HPHCs and risk calculations have shown a reduction in cancer potencies across populations. While long-term epidemiological studies are still required to determine with finality the risks that HTP use may have, there is already wide agreement in the initial results that the complete switch to HTP use from cigarette smoking presents less risks of harm. The review, however, shows that much has to be studied about the manner by which HTPs can affect indoor air quality in tropical countries such as the Philippines.

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Barnes, Brendon, Angela Mathee, Elizabeth Thomas e Nigel Bruce. "Household energy, indoor air pollution and child respiratory health in South Africa". Journal of Energy in Southern Africa 20, n. 1 (1 febbraio 2009): 4–13. http://dx.doi.org/10.17159/2413-3051/2009/v20i1a3296.

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Indoor air pollution due to the indoor burning of polluting fuels has been associated with Acute Lower Respiratory Infections (ALRI) amongst children less than five years old. This paper reviews evidence of the association between household energy, indoor air pollution and child ALRI in South Africa. Studies show evidence consistent with the international literature with the likelihood of ALRI between 2 and 4 amongst children living in households using polluting fuels compared to households using electricity. Indoor air pollution is responsible for the deaths of up to 1 400 children annually. Interven-tions have demonstrated 46 – 97% lower pollution concentrations compared to open fires. However, the sustainability of selected interventions has been questioned in certain contexts. The paper discusses the strengths and weaknesses of the evidence and highlights opportunities for further research.

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Rosário Filho, Nelson Augusto, Marilyn Urrutia-Pereira, Gennaro D'Amato, Lorenzo Cecchi, Ignacio J. Ansotegui, Carmen Galán, Anna Pomés et al. "Air pollution and indoor settings". World Allergy Organization Journal 14, n. 1 (gennaio 2021): 100499. http://dx.doi.org/10.1016/j.waojou.2020.100499.

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Wang, Yingchun, e Xuelin Jia. "Indoor air pollution and prevention". IOP Conference Series: Earth and Environmental Science 781, n. 3 (1 maggio 2021): 032056. http://dx.doi.org/10.1088/1755-1315/781/3/032056.

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ARASHIDANI, Keiichi, Yukio AKIYAMA e Naoki KUNUGITA. "Study of indoor air pollution". Indoor Environment 12, n. 2 (2009): 71–86. http://dx.doi.org/10.7879/siej.12.71.

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ARASHIDANI, Keiichi, Yasuto MATSUI e Kanae BEKKI. "Study of indoor air pollution". Indoor Environment 22, n. 2 (2019): 127–36. http://dx.doi.org/10.7879/siej.22.127.

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Michel, O. "Indoor Air Pollution and Asthma". Acta Clinica Belgica 49, n. 1 (gennaio 1994): 1–4. http://dx.doi.org/10.1080/17843286.1994.11718355.

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Greim, H., H. Sterzl, W. Lilienblum e W. Mücke. "Indoor air pollution: A review∗". Toxicological & Environmental Chemistry 23, n. 1-4 (giugno 1989): 191–206. http://dx.doi.org/10.1080/02772248909357465.

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Bare, Jane C. "Indoor Air Pollution Source Database". JAPCA 38, n. 5 (maggio 1988): 670–71. http://dx.doi.org/10.1080/08940630.1988.10466409.

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Verdonck, J., J. A. J. Vanoirbeeck, K. Poels, P. H. M. Hoet e L. Godderis. "Microorganisms reduce indoor air pollution". Toxicology Letters 295 (ottobre 2018): S265. http://dx.doi.org/10.1016/j.toxlet.2018.06.1064.

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Wolkoff, Peter. "Photocopiers and indoor air pollution". Atmospheric Environment 33, n. 13 (giugno 1999): 2129–30. http://dx.doi.org/10.1016/s1352-2310(99)00066-7.

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Moschandreas, D. J. "Characterization of indoor air pollution". Journal of Wind Engineering and Industrial Aerodynamics 21, n. 1 (agosto 1985): 39–49. http://dx.doi.org/10.1016/0167-6105(85)90032-7.

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MAYNARD, R. L. "Indoor air pollution and health". Occupational and Environmental Medicine 57, n. 4 (1 aprile 2000): 285f—285. http://dx.doi.org/10.1136/oem.57.4.285f.

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Gunnarsen, Lars, e P. Ole Fanger. "Adaptation to indoor air pollution". Environment International 18, n. 1 (gennaio 1992): 43–54. http://dx.doi.org/10.1016/0160-4120(92)90209-m.

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Mendoza, Daniel, Tabitha Benney, Ryan Bares, Benjamin Fasoli, Corbin Anderson, Shawn Gonzales, Erik Crosman e Sebastian Hoch. "Investigation of Indoor and Outdoor Fine Particulate Matter Concentrations in Schools in Salt Lake City, Utah". Pollutants 2, n. 1 (4 marzo 2022): 82–97. http://dx.doi.org/10.3390/pollutants2010009.

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Although there is mounting evidence that suggests that air pollution is impactful to human health and educational outcomes, this is especially problematic in schools with higher air pollution levels. To understand whether all schools in an urban area are exposed to similar outdoor air quality and whether school infrastructure protects children equally indoors, we installed research-grade sensors to observe PM2.5 concentrations in indoor and outdoor settings to understand how unequal exposure to indoor and outdoor air pollution impacts indoor air quality among high- and low-income schools in Salt Lake City, Utah. These data and resulting analysis show that poor air quality may impact school settings and the potential implications with respect to environmental inequality. Based on this approach, we found that during atmospheric inversions and dust events, there was a lag ranging between 35 and 73 min for the outdoor PM2.5 concentrations to follow a similar temporal pattern as the indoor PM2.5. This lag has policy and health implications and may help to explain rising concerns regarding reduced educational outcomes related to air pollution in urban areas.

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Prasetya, Ekawaty, e Andi Makkulawu. "ANALYSIS OF AMBIENT AIR QUALITY AND GENSET EMISSIONS AT PT. REKSO NASIONAL FOOD (MC. DONALDS) GORONTALO CITY". International Journal of Health Science & Medical Research 2, n. 2 (30 agosto 2023): 159–72. http://dx.doi.org/10.37905/ijhsmr.v2i2.20495.

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Air, as one of the components of the environment, is the most essential requirement in supporting life. Metabolism in the bodies of living things cannot occur without air oxygen. Air can be grouped into outdoor air and indoor air. Indoor air quality dramatically affects human health because almost 90% of human life is indoors. Indoor air quality is a problem that needs attention because it will affect human health. The emergence of poor indoor air quality is generally caused by several things, namely lack of air ventilation (52%), sources of indoor pollution (16%), outdoor pollution (10%), microbes (5%), and building materials (4 %). ), others (13%). Sources of air pollution can also come from household activities, starting from the kitchen in the form of smoke. According to several studies, air pollution from kitchens contributes significantly to ARI. The novelty of this research is that it examines ambient air quality and generator emissions. The study aimed to analyze Ambient Air Quality and Generator Emissions at PT Rekso National Foods (MC Donalds) in Gorontalo City. The results showed that the surrounding air quality still met the requirements, both CO, TSP, PM10, PM 2.5 and generator emissions. However, the noise factor still does not meet the threshold standard. This study concludes that all variables still meet predetermined threshold values except for the noise variable, which exceeds the threshold value.

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Senitkova, Ingrid Juhasova, e Michal Kraus. "Indoor Air Pollution in Housing Units". IOP Conference Series: Materials Science and Engineering 1203, n. 2 (1 novembre 2021): 022071. http://dx.doi.org/10.1088/1757-899x/1203/2/022071.

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Abstract Pollution and poor quality of the indoor environment is a common problem in today's residential buildings. These problems are reflected in the well-being and health of the users of these buildings. Targeted identification of the various harmful substances (pollutants) is essential for understanding the interactions of components of the internal environment for the welfare and health of building users. The Czech housing units were selected for screening investigation of indoor air quality. Measuring of indoor chemical factors was performed during the year 2019. The indoor levels of TVOC, nitrogen oxides, indoor radon, and particulate matters PM10 were measured. The results provide introduce data on indoor air quality concerning seasonal changes which were in correlation to air change rate. These results, introduced in this paper, help to understand the indoor pollutants occurrence and help to design next more focused studies.

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Vasiliauskienė, Vaida, e Aidas Vasilis Vasiliauskas. "A Case Study on the Assessment of Chemical and Physical Pollution Levels during the Copying Process". Sustainability 14, n. 3 (24 gennaio 2022): 1287. http://dx.doi.org/10.3390/su14031287.

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In accordance with sustainable development goals (SDG’s), urgent action should be taken to make the societal and natural environments better for human beings. People spend most of their time indoors, therefore growing attention is devoted to address indoor air pollution. When the sources of anthropogenic indoor air pollution (copiers, laser printers) are operated indoors, then chemical and physical indoor air pollution may be higher than air pollution outdoors. Ozone, aerosol particles and volatile organic compounds are the result of pollution caused by copiers and printers. The research was carried out in a copying room by recording chemical (ozone and aerosol particles) and physical (noise) environmental pollution. To determine instantaneous ozone concentrations in the copying room, an ozone analyzer O3 41M was used, while to evaluate the effect of ozone on the ambient air of the copying room, passive samplers were used. To determine the number and concentration of aerosol particles in the ambient air of the office, a particle counter AZ-5 was used. In addition, a DrDAQ data logger was used to measure noise emitted by the copier and ambient temperature as well as relative air humidity. It was found that the distribution of ozone and aerosol particles in the copying room was mostly determined by the copying intensity. The maximum concentration of ozone and aerosol particles was determined during automatic copying (91–120 copies/min).

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Chang, Tom, Joshua Graff Zivin, Tal Gross e Matthew Neidell. "Particulate Pollution and the Productivity of Pear Packers". American Economic Journal: Economic Policy 8, n. 3 (1 agosto 2016): 141–69. http://dx.doi.org/10.1257/pol.20150085.

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We study the effect of outdoor air pollution on the productivity of indoor workers at a pear-packing factory. Increases in fine particulate matter (PM2.5), a pollutant that readily penetrates indoors, leads to significant decreases in productivity, with effects arising at levels below air quality standards. In contrast, pollutants that do not travel indoors, such as ozone, have little, if any, effect on productivity. This effect of outdoor pollution on indoor worker productivity suggests an overlooked consequence of pollution. Back-of-the-envelope calculations suggest the labor savings from nationwide reductions in PM2.5 generated a sizable fraction of total welfare benefits. (JEL D24, J24, L66, Q13, Q51, Q53)

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