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https://www.readbyqxmd.com/read/28320525/reducing-indoor-air-pollutants-with-air-filtration-units-in-wood-stove-homes
#1
Marcy L McNamara, Jonathon Thornburg, Erin O Semmens, Tony J Ward, Curtis W Noonan
BACKGROUND: Biomass burning has been shown to be a major source of poor indoor air quality (IAQ) in developing and higher income countries across the world. Specifically, wood burning for cooking and heating contributes to high indoor concentrations of fine (particles with aerodynamic diameters<2.5μm; PM2.5) and coarse (particles with aerodynamic diameters <10μm and >2.5μm; PMc) particulate matter. Endotoxin, predominantly found within the coarse fraction of airborne particulate matter, is associated with proinflammatory effects and adverse outcomes among susceptible populations...
March 17, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28215812/indoor-air-pollutants-ventilation-rate-determinants-and-potential-control-strategies-in-chinese-dwellings-a-literature-review
#2
Wei Ye, Xu Zhang, Jun Gao, Guangyu Cao, Xiang Zhou, Xing Su
After nearly twenty years of rapid modernization and urbanization in China, huge achievements have transformed the daily lives of the Chinese people. However, unprecedented environmental consequences in both indoor and outdoor environments have accompanied this progress and have triggered public awareness and demands for improved living standards, especially in residential environments. Indoor pollution data measured for >7000 dwellings (approximately 1/3 were newly decorated and were tested for volatile organic compound (VOC) measurements, while the rest were tested for particles, phthalates and other semi-volatile organic compounds (SVOCs), moisture/mold, inorganic gases and radon) in China within the last ten years were reviewed, summarized and compared with indoor concentration recommendations based on sensory or health end-points...
May 15, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28117727/volatile-organic-compounds-vocs-in-conventional-and-high-performance-school-buildings-in-the-u-s
#3
Lexuan Zhong, Feng-Chiao Su, Stuart Batterman
Exposure to volatile organic compounds (VOCs) has been an indoor environmental quality (IEQ) concern in schools and other buildings for many years. Newer designs, construction practices and building materials for "green" buildings and the use of "environmentally friendly" products have the promise of lowering chemical exposure. This study examines VOCs and IEQ parameters in 144 classrooms in 37 conventional and high performance elementary schools in the U.S. with the objectives of providing a comprehensive analysis and updating the literature...
January 21, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28107173/electronic-cigarettes-and-indoor-air-quality-a-review-of-studies-using-human-volunteers
#4
Najihah Zainol Abidin, Emilia Zainal Abidin, Aziemah Zulkifli, Karmegam Karuppiah, Sharifah Norkhadijah Syed Ismail, Amer Siddiq Amer Nordin
OBJECTIVE: This paper is primarily aimed to review articles on electronic cigarettes (e-cigarettes) focusing on indoor air quality (IAQ) assessment that were conducted using human volunteers under natural settings that mimic actual vaping scenarios. Such studies may give a better representation of the actual potential exposure towards e-cigarettes emissions in indoor settings. METHODS: A systematic literature search was conducted using PubMed search engine database...
January 20, 2017: Reviews on Environmental Health
https://www.readbyqxmd.com/read/28000117/monitoring-indoor-air-quality-for-enhanced-occupational-health
#5
Rui Pitarma, Gonçalo Marques, Bárbara Roque Ferreira
Indoor environments are characterized by several pollutant sources. Because people spend more than 90% of their time in indoor environments, several studies have pointed out the impact of indoor air quality on the etiopathogenesis of a wide number of non-specific symptoms which characterizes the "Sick Building Syndrome", involving the skin, the upper and lower respiratory tract, the eyes and the nervous system, as well as many building related diseases. Thus, indoor air quality (IAQ) is recognized as an important factor to be controlled for the occupants' health and comfort...
February 2017: Journal of Medical Systems
https://www.readbyqxmd.com/read/27983667/evaluation-of-indoor-air-quality-screening-strategies-a-step-wise-approach-for-iaq-screening
#6
Ling-Tim Wong, Kwok-Wai Mui, Tsz-Wun Tsang
Conducting a full indoor air quality (IAQ) assessment in air-conditioned offices requires large-scale material and manpower resources. However, an IAQ index can be adopted as a handy screening tool to identify any premises (with poor IAQ) that need more comprehensive IAQ assessments to prioritize IAQ improvements. This study proposes a step-wise IAQ screening protocol to facilitate its cost-effective management among building owners and managers. The effectiveness of three IAQ indices, namely θ₁ (with one parameter: CO₂), θ₂ (with two parameters: CO₂ and respirable suspended particulates, RSP) and θ₃ (with three parameters: CO₂, RSP, and total volatile organic compounds, TVOC) are evaluated...
December 14, 2016: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/27869682/an-indoor-monitoring-system-for-ambient-assisted-living-based-on-internet-of-things-architecture
#7
Gonçalo Marques, Rui Pitarma
The study of systems and architectures for ambient assisted living (AAL) is undoubtedly a topic of great relevance given the aging of the world population. The AAL technologies are designed to meet the needs of the aging population in order to maintain their independence as long as possible. As people typically spend more than 90% of their time in indoor environments, indoor air quality (iAQ) is perceived as an imperative variable to be controlled for the inhabitants' wellbeing and comfort. Advances in networking, sensors, and embedded devices have made it possible to monitor and provide assistance to people in their homes...
November 17, 2016: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/27866741/assessment-of-indoor-air-quality-in-office-buildings-across-europe-the-officair-study
#8
Corinne Mandin, Marilena Trantallidi, Andrea Cattaneo, Nuno Canha, Victor G Mihucz, Tamás Szigeti, Rosanna Mabilia, Erica Perreca, Andrea Spinazzè, Serena Fossati, Yvonne De Kluizenaar, Eric Cornelissen, Ioannis Sakellaris, Dikaia Saraga, Otto Hänninen, Eduardo De Oliveira Fernandes, Gabriela Ventura, Peder Wolkoff, Paolo Carrer, John Bartzis
The European project OFFICAIR aimed to broaden the existing knowledge regarding indoor air quality (IAQ) in modern office buildings, i.e., recently built or refurbished buildings. Thirty-seven office buildings participated in the summer campaign (2012), and thirty-five participated in the winter campaign (2012-2013). Four rooms were investigated per building. The target pollutants were twelve volatile organic compounds, seven aldehydes, ozone, nitrogen dioxide and particulate matter with aerodynamic diameter <2...
February 1, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/27761865/appraisal-of-a-hybrid-air-cleaning-process
#9
Mattia Pierpaoli, Chiara Giosuè, Maria Letizia Ruello, Gabriele Fava
Nowadays, there is an amplified interest in maintaining suitable indoor air quality (IAQ). Besides a wide range of available interventions, air cleaners are considered a valuable tool, since based on inexpensive and easily implementing technologies to improve IAQ. The purpose of this work is to combine the TiO2-photocatalysis with the electrostatic and adsorption processes, in order to improve efficiency and reliability. A TiO2-photocatalytic oxidation combined with an electrostatic filter has been studied...
October 19, 2016: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/27729030/an-interview-study-of-pregnant-women-who-were-provided-with-indoor-air-quality-measurements-of-second-hand-smoke-to-help-them-quit%C3%A2-smoking
#10
Heather Morgan, Elizabeth Treasure, Mo Tabib, Majella Johnston, Chris Dunkley, Deborah Ritchie, Sean Semple, Steve Turner
BACKGROUND: Maternal smoking can cause health complications in pregnancy. Particulate matter (PM2.5) metrics applied to second hand smoke (SHS) concentrations provide indoor air quality (IAQ) measurements and have been used to promote smoking behaviour change among parents of young children. Here, we present the qualitative results from a study designed to use IAQ measurements to help pregnant women who smoke to quit smoking. METHODS: We used IAQ measurements in two centres (Aberdeen and Coventry) using two interventions: 1...
October 12, 2016: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/27575044/statistical-modeling-of-o3-nox-co-pm2-5-vocs-and-noise-levels-in-commercial-complex-and-associated-health-risk-assessment-in-an-academic-institution
#11
Deepak Singh, Amit Kumar, Krishan Kumar, Bupender Singh, Usha Mina, Braj Bihari Singh, Vinod Kumar Jain
Indoor Air Quality (IAQ) is considered to be of great concern due to its adverse impact on the human health nowadays. The presence of different air pollutants along with noise may aggravate the IAQ. The present study attempts to examine IAQ in terms of major criteria air pollutants (O3, NOx=NO+NO2, CO and PM2.5) along with total volatile organic compound (TVOC), individual VOC and noise pollution in indoor and outdoor environment of a Commercial Shopping Complex (CSC) in Delhi. Real time measurements have been carried out for O3, NOx, CO, PM2...
August 27, 2016: Science of the Total Environment
https://www.readbyqxmd.com/read/27477455/toward-the-development-of-an-in-silico-human-model-for-indoor-environmental-design
#12
Kazuhide Ito
In modern society where people spend more than 90% of their time in indoor spaces, the indoor air quality (IAQ) created by buildings has the potential of greatly influencing quality of life. Because the time spent by workers/residents in indoor spaces has increased over time, the importance of IAQ issues in terms of public health is also increasing. Additionally, the quality of the indoor thermal environment also has great impact on human comfort and performance; hence, the development of a comprehensive prediction method integrating indoor air quality/thermal environment assessment and human physiological responses, is crucial for creating a healthy, comfortable, and productive indoor environment...
2016: Proceedings of the Japan Academy. Series B, Physical and Biological Sciences
https://www.readbyqxmd.com/read/27331817/controlling-indoor-air-pollution-from-moxibustion
#13
Chung-Yen Lu, Sy-Yuan Kang, Shu-Hui Liu, Cheng-Wei Mai, Chao-Heng Tseng
Indoor air quality (IAQ) control of hospitals plays a critical role in protecting both hospital staffs and patients, particularly those who are highly susceptible to the adverse effects of indoor noxious hazards. However, moxibustion in outpatient departments (OPDs) of traditional Chinese medicine (TCM) may be a source of indoor air pollution in hospitals. Some studies have investigated indoor air pollution during moxibustion in Chinese medicine clinics (CMCs) and moxibustion rooms, demonstrating elevated air pollutants that pose a threat to the health of medical staff and patients...
2016: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/27226822/coupling-the-multizone-airflow-and-contaminant-transport-software-contam-with-energyplus-using-co-simulation
#14
W Stuart Dols, Steven J Emmerich, Brian J Polidoro
Building modelers need simulation tools capable of simultaneously considering building energy use, airflow and indoor air quality (IAQ) to design and evaluate the ability of buildings and their systems to meet today's demanding energy efficiency and IAQ performance requirements. CONTAM is a widely-used multizone building airflow and contaminant transport simulation tool that requires indoor temperatures as input values. EnergyPlus is a prominent whole-building energy simulation program capable of performing heat transfer calculations that require interzone and infiltration airflows as input values...
August 2016: Building Simulation
https://www.readbyqxmd.com/read/27114985/towards-the-application-of-fuzzy-logic-for-developing-a-novel-indoor-air-quality-index-fiaqi
#15
Allahbakhsh Javid, Amir Abbas Hamedian, Hamed Gharibi, Mohammad Hossein Sowlat
BACKGROUND: In the past few decades, Indoor Air Pollution (IAP) has become a primary concern to the point. It is increasingly believed to be of equal or greater importance to human health compared to ambient air. However, due to the lack of comprehensive indices for the integrated assessment of indoor air quality (IAQ), we aimed to develop a novel, Fuzzy-Based Indoor Air Quality Index (FIAQI) to bridge the existing gap in this area. METHODS: We based our index on fuzzy logic, which enables us to overcome the limitations of traditional methods applied to develop environmental quality indices...
February 2016: Iranian Journal of Public Health
https://www.readbyqxmd.com/read/27101450/real-time-sensors-for-indoor-air-monitoring-and-challenges-ahead-in-deploying-them-to-urban-buildings
#16
REVIEW
Prashant Kumar, Andreas N Skouloudis, Margaret Bell, Mar Viana, M Cristina Carotta, George Biskos, Lidia Morawska
Household air pollution is ranked the 9(th) largest Global Burden of Disease risk (Forouzanfar et al., The Lancet 2015). People, particularly urban dwellers, typically spend over 90% of their daily time indoors, where levels of air pollution often surpass those of outdoor environments. Indoor air quality (IAQ) standards and approaches for assessment and control of indoor air require measurements of pollutant concentrations and thermal comfort using conventional instruments. However, the outcomes of such measurements are usually averages over long integrated time periods, which become available after the exposure has already occurred...
August 1, 2016: Science of the Total Environment
https://www.readbyqxmd.com/read/27099405/using-coupled-energy-airflow-and-iaq-software-trnsys-contam-to-evaluate-building-ventilation-strategies
#17
W Stuart Dols, Steven J Emmerich, Brian J Polidoro
Building energy analysis tools are available in many forms that provide the ability to address a broad spectrum of energy-related issues in various combinations. Often these tools operate in isolation from one another, making it difficult to evaluate the interactions between related phenomena and interacting systems, forcing oversimplified assumptions to be made about various phenomena that could otherwise be addressed directly with another tool. One example of such interdependence is the interaction between heat transfer, inter-zone airflow and indoor contaminant transport...
March 2016: Building Services Engineering Research & Technology: BSER & T
https://www.readbyqxmd.com/read/27043596/children-s-exposure-to-radon-in-nursery-and-primary-schools
#18
Pedro T B S Branco, Rafael A O Nunes, Maria C M Alvim-Ferraz, Fernando G Martins, Sofia I V Sousa
The literature proves an evident association between indoor radon exposure and lung cancer, even at low doses. This study brings a new approach to the study of children's exposure to radon by aiming to evaluate exposure to indoor radon concentrations in nursery and primary schools from two districts in Portugal (Porto and Bragança), considering different influencing factors (occupation patterns, classroom floor level, year of the buildings' construction and soil composition of the building site), as well as the comparison with IAQ standard values for health protection...
March 30, 2016: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/27018095/the-associations-of-indoor-environment-and-psychosocial-factors-on-the-subjective-evaluation-of-indoor-air-quality-among-lower-secondary-school-students-a-multilevel-analysis
#19
E Finell, U Haverinen-Shaughnessy, A Tolvanen, S Laaksonen, S Karvonen, R Sund, V Saaristo, P Luopa, T Ståhl, T Putus, J Pekkanen
Subjective evaluation of Indoor Air Quality (subjective IAQ) reflects both building-related and psychosocial factors, but their associations have rarely been studied other than on the individual level in occupational settings and their interactions have not been assessed. Therefore, we studied whether schools' observed indoor air problems and psychosocial factors are associated with subjective IAQ and their potential interactions. The analysis was performed with a nationwide sample (N = 195 schools/26946 students) using multilevel modeling...
March 28, 2016: Indoor Air
https://www.readbyqxmd.com/read/26950631/indoor-air-quality-in-green-renovated-vs-non-green-low-income-homes-of-children-living-in-a-temperate-region-of-us-ohio
#20
Kanistha C Coombs, Ginger L Chew, Christopher Schaffer, Patrick H Ryan, Cole Brokamp, Sergey A Grinshpun, Gary Adamkiewicz, Steve Chillrud, Curtis Hedman, Meryl Colton, Jamie Ross, Tiina Reponen
Green eco-friendly housing includes approaches to reduce indoor air pollutant sources and to increase energy efficiency. Although sealing/tightening buildings can save energy and reduce the penetration of outdoor pollutants, an adverse outcome can be increased buildup of pollutants with indoor sources. The objective of this study was to determine the differences in the indoor air quality (IAQ) between green and non-green homes in low-income housing complexes. In one housing complex, apartments were renovated using green principles (n=28)...
June 1, 2016: Science of the Total Environment
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