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    Chemical Composition of Indoor and Outdoor PM2.5 in …In Italy, children spend up to 30% of their time in school institutions; for this reason, the evaluation of indoor air quality in schools constitutes a necessary step forward in the direction of child health protection. In this study, we investigated the chemical composition of PM2.5 collec ...
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(PDF) Chemical Composition of Indoor and Outdoor PM2.5 in chemical composition of indoor and outdoor pm2 5 in

In this study, we investigated the chemical composition of PM2.5 collected simultaneously indoor and outdoor in three primary schools in Rome. Seasonal variations between winter and spring/summer chemical composition of indoor and outdoor pm2 5 in(PDF) PHYSICOCHEMICAL CHARACTERISTICS OF PM10 AND PM2.5 The process of silica production indirectly show the layout design of the indoor building and the causing the presence of the heavy metals associated with description of sampling points in this building the PM10 and PM2.5 particles in the indoor and outdoor respectively. building of this chemical industry.

(PDF) PHYSICOCHEMICAL CHARACTERISTICS OF PM10 AND PM2.5

The process of silica production indirectly show the layout design of the indoor building and the causing the presence of the heavy metals associated with description of sampling points in this building the PM10 and PM2.5 particles in the indoor and outdoor respectively. building of this chemical industry.(PDF) PM2.5 indoor/outdoor relationship and chemical chemical composition of indoor and outdoor pm2 5 inPM2.5 indoor/outdoor relationship and chemical composition in ions and OC/EC in an apartment in the center of Athens January 2012 Fresenius Environmental Bulletin 21(11):3177Air-Quality Assessment of On-Site Brick-Kiln Worker chemical composition of indoor and outdoor pm2 5 inOct 25, 2019There was no difference in the chemical makeup of indoor and outdoor PM2.5 in this study, suggesting that outdoor PM2.5 air pollution easily infiltrates into on-site brick worker housing. Outdoor and indoor PM2.5 concentrations found in this study far exceed recommended levels.

Chemical Composition of Indoor and Outdoor

Jan 28, 2011The average indoor PM2.5 and TSP concentrations were 108.4 ± 30.3 g/m3 and 172.4 ± 46.5 g/m3 in summer and were 242.3 ± 189.0 g/m3 and 312.5 ± 112.8 g/m3 in winter, respectively. Sulfate, organic matter, and geological material dominated indoor PM2.5, followed by ammonium, nitrate, and elemental carbon.Chemical Composition of Indoor and Outdoor PM2.5 in In Italy, children spend up to 30% of their time in school institutions; for this reason, the evaluation of indoor air quality in schools constitutes a necessary step forward in the direction of child health protection. In this study, we investigated the chemical composition of PM2.5 collected simultaneously indoor and outdoor Chemical characterization of indoor and outdoor fine chemical composition of indoor and outdoor pm2 5 inJul 15, 2015During the summer the main contributions to outdoor PM 2.5 came from soil (30%), secondary inorganics (29%) and organics (22%). Organics dominated both indoor PM 2.5 during the summer (60%) and outdoor and indoor PM 2.5 during the winter (51% and 66%, respectively).

Chemical characterization of indoor and outdoor fine chemical composition of indoor and outdoor pm2 5 in

The daily concentration and chemical composition of PM2.5 was determined in indoor and outdoor 24-h samples simultaneously collected for a total of 5 weeks during a winter and a summer period in an apartment sited in Rome, Italy.Chemical composition of outdoor and indoor PM 2.5 chemical composition of indoor and outdoor pm2 5 inChanges in the chemical constitution and sources of ambient PM 2.5 following the infiltration of air into indoor environments were investigated. We collected PM 2.5 samples from air inside and outside 31 rooms in Beijing residences during hazy episodes. We calculated the indoor-to-outdoor ratios and the correction (k i) of each infiltration factor for each chemical component of PM 2.5 to chemical composition of indoor and outdoor pm2 5 inChemical composition of outdoor and indoor PM 2.5 chemical composition of indoor and outdoor pm2 5 inChanges in the chemical constitution and sources of ambient PM 2.5 following the infiltration of air into indoor environments were investigated. We collected PM 2.5 samples from air inside and outside 31 rooms in Beijing residences during hazy episodes. We calculated the indoor-to-outdoor ratios and the correction (k i) of each infiltration factor for each chemical component of PM 2.5 to chemical composition of indoor and outdoor pm2 5 in

CiteSeerX Chemical Composition of Indoor and Outdoor chemical composition of indoor and outdoor pm2 5 in

The average indoor PM2.5 and TSP concentrations were 108.4 ± 30.3 g/m3 and 172.4 ± 46.5 g/m3 in summer and were 242.3 ± 189.0 g/m3 and 312.5 ± 112.8 g/m3 in winter, respectively. Sulfate, organic matter, and geological material dominated indoor PM2.5, followed by Cited by 14Publish Year 2015Author Luca Tofful, Cinzia PerrinoChemical composition of outdoor and indoor PM2.5 Differences in the average indoortooutdoor ratios of PM 2.5 mass and each component (mean value ± standard deviation PM 2.5 mass = 0.53 ± 0.26, organic matter = 0.75 ± 0.34, elemental carbon = 0.62 ± 0.31, trace elements = 0.62 ± 0.26, , , , Cl = 0.37 ± 0.35, and crustal dust = 0.30 ± 0.19) may be attributed to size distribution, chemical properties, temperature, and humidity. The positive matrix Cited by 1Publish Year 2020Author Luca Tofful, Cinzia Perrino, Silvia Canepari(PDF) Chemical Composition of Indoor and Outdoor PM2.5 In this study, we investigated the chemical composition of PM2.5 collected simultaneously indoor and outdoor in three primary schools in Rome. Seasonal variations between winter and spring/summer chemical composition of indoor and outdoor pm2 5 in

Cited by 57Publish Year 2012Author Chong-Shu Zhu, Jun-Ji Cao, Jun-Ji Cao, Zhen-Xing Shen, Sui-Xin Liu, Ting Zhang, Zhu-Zi Zhao, Hong-Me chemical composition of indoor and outdoor pm2 5 inComparison Study between Indoor and Outdoor Chemical chemical composition of indoor and outdoor pm2 5 in

Outdoor air quality guidelines have been constantly implemented during the last decades. Nonetheless, no international regulations have been put into action in terms of indoor air quality standards and standardized procedures for indoor pollution measurements. In this study, we investigated the chemical composition of PM2.5 collected outdoors and indoors at six dwellings located in two Italian chemical composition of indoor and outdoor pm2 5 inCited by 9Publish Year 2018Author Yangyang Xie, Bin ZhaoImages of Chemical Composition of Indoor and Outdoor Pm imagesIndoor and Outdoor Chemical Components of PM2.5 in the chemical composition of indoor and outdoor pm2 5 inOM (organic matter), sulfate, and geological material dominated PM2.5, followed by nitrate and ammonium, which accounted for 7885% of the mass for indoor and outdoor environments. The variations of the carbon fractions indicated that four OC factions and EC1 were more abundant in Does the elemental composition of indoor and outdoor PM2.5 chemical composition of indoor and outdoor pm2 5 inThe complex mixture of chemical and elemental constituents that comprise particulate matter (PM) is hypothesized to be, in part, responsible for its toxicity. Epidemiologic studies have identified specific components and sources of PM2.5 associated with adverse health outcomes, but the majority of these studies use the mass concentration of elements in outdoor PM2.5 at central monitoring sites chemical composition of indoor and outdoor pm2 5 in

Guidance for fine particulate matter (PM2.5) in chemical composition of indoor and outdoor pm2 5 in

Indoor PM 2.5 is composed of indoor-generated PM 2.5 from sources such as smoking, cooking, and cleaning, and PM 2.5 that has infiltrated from the outside. In studies conducted by Health Canada in different Canadian cities, average indoor PM 2.5 concentrations were less than 15 µg/m 3 in homes without smokers, and less than 35 µg/m 3 in homes with smokers (Health Canada 2010).Health and Environmental Effects of Particulate Matter (PM chemical composition of indoor and outdoor pm2 5 inApr 13, 2020Particles less than 10 micrometers in diameter pose the greatest problems, because they can get deep into your lungs, and some may even get into your bloodstream. Fine particles (PM2.5) are the main cause of reduced visibility (haze).Indoor and Outdoor Chemical Components of PM2.5 in the chemical composition of indoor and outdoor pm2 5 inA case study of indoor and outdoor fine particles (PM2.5) was undertaken for rural areas in northwestern China, and quantitative data was obtained on their chemical composition including carbon fractions, water soluble ions, and elements.

Indoor and Outdoor Chemical Components of PM2.5 in the chemical composition of indoor and outdoor pm2 5 in

ABSTRACTA case study of indoor and outdoor fine particles (PM2.5) was undertaken for rural areas in northwestern China, and quantitative data was obtained on their chemical composition including carbon fractions, water soluble ions, and elements. OM (organic matter), sulfate, and geological material dominated PM2.5, followed by nitrate and ammonium, which accounted for 7885% of the mass for chemical composition of indoor and outdoor pm2 5 inIndoor/outdoor concentrations and elemental Abstract This study presents indoor/outdoor PM2.5 and PM10 concentrations measured during winter and summer in 15 homes in Kocaeli, which is one of the most industrialized areas in Turkey. Indoor and outdoor PM2.5 and PM10 mass concentrations and elemental composition were determined using an X-ray uorescence spectrometer.Indoor/outdoor relationship of PM2.5 concentration in chemical composition of indoor and outdoor pm2 5 inIndoor and outdoor particulate matter 2.5 (PM 2.5) concentrations were monitored in seven sampling sites basketball stadium, hotel, shopping centre, research centre, commercial office, apartment building and villa, to determine the indoor and outdoor relationship of PM 2.5 mass concentration in the central area of Beijing from February 2014 to March 2014.

Indoor/outdoor relationship of PM2.5 concentration in chemical composition of indoor and outdoor pm2 5 in

Indoor and outdoor particulate matter 2.5 (PM 2.5) concentrations were monitored in seven sampling sites basketball stadium, hotel, shopping centre, research centre, commercial office, apartment building and villa, to determine the indoor and outdoor relationship of PM 2.5 mass concentration in the central area of Beijing from February 2014 to March 2014.Inhalable Particulate Matter and Health (PM2.5 and PM10 chemical composition of indoor and outdoor pm2 5 inPM10 and PM2.5 often derive from different emissions sources, and also have different chemical compositions. Emissions from combustion of gasoline, oil, diesel fuel or wood produce much of the PM2.5 pollution found in outdoor air, as well as a significant proportion of PM10.Measurements of Indoor and Outdoor Fine Particulate Fine particulate matter (PM2.5) was simultaneously collected from the indoor and outdoor environments in urban area of Jinan in North China from November to December 2018 to evaluate the characteristics and sources of indoor PM2.5 pollution. The concentrations of indoor and outdoor PM2.5 were 69.0 ± 50.5 µg m3 and 128.7 ±; 67.9 µg m−3, respectively, much higher than the WHO chemical composition of indoor and outdoor pm2 5 in

Morphological characterization and chemical composition

It is widely known that cooking contributes particulate matter (PM) to outdoor and indoor air. To research the morphology and chemical composition of PM 10 and PM 2.5 in cooking fumes, four Chinese restaurants with distinct cooking styles were sampled. A Zeiss Merlin Compact (FE-SEM) with EDS system was used to determine the morphology and chemical composition of indoor and outdoor pm2 5 inOxidative potential and chemical composition of PM2.5 in chemical composition of indoor and outdoor pm2 5 inFurthermore, the link between particulate OP and the concentration of the PM constituents was investigated.The mean indoor PM2.5 mass concentration values were substantially lower than the related outdoor values with a mean indoor/outdoor PM2.5 mass concentration ratio of 0.62 and 0.61 for the summer and winter campaigns respectively.PM2.5 Chemical Composition - US EPAThe Chemical Composition of PM2.5 to support PM Implementation Neil Frank AQAG/AQAD USEPA For Presentation at EPA State / Local / Tribal Training Workshop PM 2.5 Final Rule Implementation and 2006 PM 2.5 Designation Process June20-21. 2 Topics How do we derive FRM PM2.5 composition

Reducing Indoor Levels of Outdoor PM2.5 in Urban

This study estimates adult mortalities attributed to PM2.5 across urban China in 2015 and the corresponding mortalities that might be avoided by meeting the yearly averaged indoor PM2.5 threshold in the newly established Assessment Standard for Healthy Building (ASHB) and seven other potential thresholds. We use outdoor PM2.5 concentrations from 1500 monitoring sites in 339 Chinese cities chemical composition of indoor and outdoor pm2 5 inRelations between indoor and outdoor PM 2.5 and chemical composition of indoor and outdoor pm2 5 inOutdoor PM2.5 influences both the concentration and composition of indoor PM2.5. People spend over 80% of their time indoors. Therefore, to assess possible health effects of PM2.5 it is important to accurately characterize indoor PM2.5 concentrations and composition. Controlling indoor PM2.5 concentration is presently more feasible and economic than decreasing outdoor PM2.5 Role of microbial and chemical composition in chemical composition of indoor and outdoor pm2 5 inNov 25, 2014In this study, we collected size-segregated (PM102.5, PM2.50.2) particulate samples with a high volume cascade impactor (HVCI) simultaneously both indoors and outdoors of a new single family detached house at four different seasons. The chemical composition of the samples was analyzed as was the presence of microbes.

The impact of household air cleaners on the chemical chemical composition of indoor and outdoor pm2 5 in

Yet, questions still remain about the effectiveness of indoor air cleaners on indoor PM2.5 concentrations and personal exposure to potentially hazardous components of PM2.5. Metals in PM2.5 have been associated with adverse health outcomes, so knowledge of their sources in urban indoor and outdoor areas and how exposures are influenced by chemical composition of indoor and outdoor pm2 5 inWorkflow for comparison of chemical and biological Apr 01, 2020Quantifying the chemical composition, oxidative potential, and bioactivity in zebrafish for the same PM 2.5 sample will lead to a better understanding of the connection between exposure sources, chemical composition, and health impacts. Additionally, these metrics have not been assessed for paired kitchen and personal samples, in the same chemical composition of indoor and outdoor pm2 5 in

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