scholarly journals Emission and Formation of Fine Particles from Hardcopy Devices: the Cause of Indoor Air Pollution

10.5772/16702 ◽  
2011 ◽  
Author(s):  
David D. ◽  
Ajay Tanej
Keyword(s):  
Air Pollution ◽  
Indoor Air ◽  
Indoor Air Pollution ◽  
Fine Particles

scholarly journals Indoor Air Pollution with Fine Particles and Implications for Workers’ Health in Dental Offices: A Brief Review

2021 ◽  
Vol 13 (2) ◽  
pp. 599
Author(s):  
Diana Mariana Cocârţă ◽  
Mariana Prodana ◽  
Ioana Demetrescu ◽  
Patricia Elena Maria Lungu ◽  
Andreea Cristiana Didilescu
Keyword(s):  
Air Pollution ◽  
Health Effects ◽  
Indoor Air ◽  
Indoor Air Pollution ◽  
Fine Particles ◽  
Dental Health ◽  
Indoor Pollution ◽  
Dental Practitioners ◽  
Dental Offices ◽  
The Impact

(1) Background: Indoor air pollution can affect the well-being and health of humans. Sources of indoor pollution with particulate matter (PM) are outdoor particles and indoor causes, such as construction materials, the use of cleaning products, air fresheners, heating, cooking, and smoking activities. In 2017, according to the Global Burden of Disease study, 1.6 million people died prematurely because of indoor air pollution. The health effects of outdoor exposure to PM have been the subject of both research and regulatory action, and indoor exposure to fine particles is gaining more and more attention as a potential source of adverse health effects. Moreover, in critical situations such as the current pandemic crisis, to protect the health of the population, patients, and staff in all areas of society (particularly in indoor environments, where there are vulnerable groups, such as people who have pre-existing lung conditions, patients, elderly people, and healthcare professionals such as dental practitioners), there is an urgent need to improve long- and short-term health. Exposure to aerosols and splatter contaminated with bacteria, viruses, and blood produced during dental procedures performed on patients rarely leads to the transmission of infectious agents between patients and dental health care staff if infection prevention procedures are strictly followed. On the other hand, in the current circumstances of the pandemic crisis, dental practitioners could have an occupational risk of acquiring coronavirus disease as they may treat asymptomatic and minimally symptomatic patients. Consequently, an increased risk of SARS-CoV-2 infection could occur in dental offices, both for staff that provide dental healthcare and for other patients, considering that many dental procedures produce droplets and dental aerosols, which carry an infectious virus such as SARS-CoV-2. (2) Types of studies reviewed and applied methodology: The current work provides a critical review and evaluation, as well as perspectives concerning previous studies on health risks of indoor exposure to PM in dental offices. The authors reviewed representative dental medicine literature focused on sources of indoor PM10 and PM2.5 (particles for which the aerodynamic diameter size is respectively less than 10 and 2.5 μm) in indoor spaces (paying specific attention to dental offices) and their characteristics and toxicological effects in indoor microenvironments. The authors also reviewed representative studies on relations between the indoor air quality and harmful effects, as well as studies on possible indoor viral infections acquired through airborne and droplet transmission. The method employed for the research illustrated in the current paper involved a desk study of documents and records relating to occupational health problems among dental health care providers. In this way, it obtained background information on both the main potential hazards in dentistry and infection risks from aerosol transmission within dental offices. Reviewing this kind of information, especially that relating to bioaerosols, is critical for minimizing the risk to dental staff and patients, particularly when new recommendations for COVID-19 risk reduction for the dental health professional community and patients attending dental clinics are strongly needed. (3) Results: The investigated studies and reports obtained from the medical literature showed that, even if there are a wide number of studies on indoor human exposure to fine particles and health effects, more deep research and specific studies on indoor air pollution with fine particles and implications for workers’ health in dental offices are needed. As dental practices are at a higher risk for hazardous indoor air because of exposure to chemicals and microbes, the occupational exposures and diseases must be addressed, with special attention being paid to the dental staff. The literature also documents that exposure to fine particles in dental offices can be minimized by putting prevention into practice (personal protection barriers such as masks, gloves, and safety eyeglasses) and also keeping indoor air clean (e.g., high-volume evacuation, the use of an air-room-cleaning system with high-efficiency particulate filters, and regularly maintaining the air-conditioning and ventilation systems). These kinds of considerations are extremely important as the impact of indoor pollution on human health is no longer an individual issue, with its connections representing a future part of sustainability which is currently being redefined. These kinds of considerations are extremely important, and the authors believe that a better situation in dentistry needs to be developed, with researchers in materials and dental health trying to understand and explain the impact of indoor pollution on human health.

scholarly journals Indoor Air Pollution and Concerned Health Costs in Indian Context

2019 ◽  
Vol 8 (3) ◽  
pp. 7559-7566
Keyword(s):  
Air Pollution ◽  
Indoor Air ◽  
Fossil Fuels ◽  
Indoor Air Pollution ◽  
Fine Particles ◽  
Health Costs ◽  
Household Expenditure ◽  
Clean Air ◽  
Carbon Dioxide Co2 ◽  
The Impact

Clean air is considered the fountain of life that enables humankind to sustain healthy lives while supporting unique ecosystems of the Earth. The United Nations, being the supreme policymaking body in the world, has duly stated that “clean air is a human right”. The underlying reason for this derives itself from gruesome statistics asserting that between 6 and 7 million people die prematurely each year due to air pollution, and around 90% of the global pollution breathes polluted air. Being the existential threat pollution is, most of it is caused by burning of fossil fuels that contributes not only to climate change but also deteriorating human health. A significant portion of air pollution is constituted by indoor air pollution through carbon dioxide (CO2 ) emissions, which has been a major cause of concern for India. It has been observed that 9 out of 10 people in India breathe air that breached safe limits and 7 million people die each year due to household air pollution through exposure to fine particles causing cardiovascular diseases, lung cancer and other pulmonary diseases. Women form a significant portion of such sufferers, whereby, a WHO report has found that mothers were more likely to deliver underweight babies in households with indoor air pollution from solid fuels. Associated with this, is the issue of increasing household expenditure on health vis-à-vis women. This paper examines the impact of such indoor pollution on women vis-à-vis health costs as part of their household expenditure allocations. Observations emphasise the need to reverse such trend of increasing indoor air pollution while moving on to a phase of employing greener fuels and technologies among households, and associated sensitive policymaking. This is expected to not only increase the standard of health among women of different strata but also will propel the productivity of human capital on a per capita basis.

scholarly journals The Effect of Ventilation and Cooking Activities Indoor Fine Particulates in Apartments Towards

2020 ◽  
Vol 16 (2) ◽  
pp. 238-248
Author(s):  
Rana Zenissa ◽  
Arie Dipareza Syafei ◽  
Usep Surahman ◽  
Alvin Christianta Sembiring ◽  
Alfendha Wiranditya Pradana ◽  
...  
Keyword(s):  
Air Pollution ◽  
Indoor Air ◽  
Indoor Air Pollution ◽  
Fine Particles ◽  
Respiratory Infections ◽  
Health Impact ◽  
Indoor Pollution ◽  
Fine Particulates ◽  
Open Window ◽  
Outdoor Space

AbstractIndoor air pollution is currently being studied extensively because of its effects on the health and comfort of residents. The effects of indoor air pollution can be felt directly such as irritation to the eyes, nose to throat. This effect can also occur after several years such as respiratory infections, heart disease and cancer. Indoor air pollution such as particulate matter (PM2.5 and PM1) can be caused by occupant activities such as cooking, room cleaning and smoking by residents. Research on the effect of ventilation and cooking activities on the concentration of PM2.5 and PM1 in the room has not plentiful researched. So the purpose of this study is to determine the effect of those variables in indoor air conditions. The data was obtained by measurement and interview in this study. The method that served in this research is a multilevel approach using three models. The study observes that most of the variables affected the indoor concentration of PM1 and PM2.5. In addition, it was also observed that the large number of fans could improve air quality. During peak sessions especially the morning, the number of particulates is significantly higher. Whereas cooking with an open window causes the condition of fine particulates to be even worse. Therefore, the combination of indoor pollution sources and poor outdoor concentrations has an extremely health impact on the residents. The result of the study shows the importance of adjusting the time to close the window and the time to cook properly, so that the accumulation of fine particles in the room can be avoided. Further observation is required to investigate the concentration of outdoor space near apartments continuously to confirm this result.

AWARENESS ABOUT INDOOR AIR POLLUTION IN GENERAL POPULATION OF RAWALPINDI AND ISLAMABAD

2018 ◽  
Vol 8 (2) ◽  
pp. 80-83
Author(s):  
Nadia Tariq ◽  
Tamkeen Jaffry ◽  
Rahma Fiaz ◽  
Abdul Majid Rajput ◽  
Sadaf Khalid
Keyword(s):  
Air Pollution ◽  
General Population ◽  
Indoor Air ◽  
Indoor Air Pollution ◽  
Economic Status ◽  
Educational Status ◽  
Epidemiological Studies ◽  
Cross Sectional Survey ◽  
Cross Sectional ◽  
Significant Difference

Background: Indoor air pollutants are increasingly being associated with respiratory illnesses leading to high degree of morbidity and mortality. There are not sufficient epidemiological studies from Pakistan which assess level of awareness of indoor air pollution resulting in respiratory diseases in population. Methods: This cross sectional survey was carried out on general population of Rawalpindi/Islamabad. Sample size was 223 study subjects selected by non-probability convenient sampling. Knowledge of the study subjects was determined with regard to indoor air pollution, its effects on health and different sources of indoor air pollution with the help of a questionnaire. The influence of age, gender, educational status and socio economic status on the level of awareness was also analyzed. Results: Out of total 223 participants, 115 were males and108 females. Participants aware of indoor air pollution were 91.5% and adequate awareness about its sources was 80.7%. Those who knew indoor air pollution is detrimental to health were 95.1%. Awareness about building construction dust as source of indoor air pollution was maximum (84.8%). There was significant difference in awareness among participants with different monthly incomes and educational status and also between males and females. Conclusion: This study concludes that general population of Rawalpindi/Islamabad has fairly good awareness about sources of indoor air pollution. Use of harmful material causing indoor air pollution should be limited or substituted with better ones where possible.

ANALISIS PENGUKURAN KONSENTRASI KARBONMONOKSIDA (CO) PADA BREATHING ZONE PETUGAS PARKIR BASEMENT MALL KOTA BANDUNG

2019 ◽  
Author(s):  
Gede H Cahyana
Keyword(s):  
Air Pollution ◽  
Indoor Air ◽  
Indoor Air Pollution ◽  
Sampling Method ◽  
Breathing Zone ◽  
Gas Concentration ◽  
Average Value ◽  
Co Concentration ◽  
Personal Dosimeter ◽  
Co Gas

Indoor air pollution in closed room is one of the air pollution that gives serious threats to human health. One of them come from vehicle gas emissions in closed parking area. This research identifies and analyses CO concentration measured in Mall X parking man’s breathing zone with closed parking area and in Mall Y semi-opened parking area. CO measurement carried out by passive sampling method using Personal Dosimeter Tubes. Measurement result of CO gas concentration to parking man’s breathing zone in Mall X was 25 – 81,25 ppm with average value in 50 ± 26,15 ppm. Meanwhile CO gas concentration in Mall Y gave result 3,13 – 12,5 ppm with average value in 7,88 ± 4,36 ppm. Correlation value between CO concentration and its intake in Mall X area was 0,9983, meanwhile correlation value between CO concentration and its intake in Mall Y area was 0,9903. It was concluded that CO gas concentration measured in parking man’s breathing zone influenced the differences of CO intake value in significance value.

Environmentalists seek to set research agenda on indoor air pollution

BMJ ◽  
2011 ◽  
Vol 342 (may17 2) ◽  
pp. d3062-d3062 ◽  
Author(s):  
B. Roehr
Keyword(s):  
Air Pollution ◽  
Indoor Air ◽  
Research Agenda ◽  
Indoor Air Pollution
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