Concentrations air pollutants occupational. Medical search. Frequent questions

Urban air pollution and cardiopulmonary ill health: a 14.5 year time series study. (bmj.com)
Poisson log linear regression models were used to investigate the relation of the daily event rate with daily air pollution concentrations of sulphur dioxide (SO2) and black smoke from 1981 to 1995, and of nitrogen dioxide (NO2), ozone (O3), carbon monoxide (CO), and particulate matter (PM10) from 1992 to 1995. (bmj.com)
CONCLUSION: These data suggest that in the City of Edinburgh, after correction for confounders, there was a small but significant association between concentrations of black smoke and respiratory mortality in the older age group, probably attributable to higher pollution levels in the early part of the study period. (bmj.com)
Ambient particulate air pollution has been associated with increased risk of cardiovascular morbidity and mortality. (bmj.com)
In an eastern US location with significant regional pollution, the authors examined the association of air pollution and odds of cardiac arrhythmia in older adults. (bmj.com)
The authors used logistic mixed effects regression to examine the odds of having any supraventricular ectopy (SVE) or ventricular ectopy (VE) in association with increases in air pollution for moving average pollutant concentrations up to 10 days before the health assessment. (bmj.com)
May 8, 2023 A new study found that air pollution from the oil and gas sector in the United States has substantial adverse impacts on air quality, human health, and health costs. (sciencedaily.com)
3. The conditions of safe use of respiratory protective equipment (RPE) in the immediately dangerous air pollution. (wikisource.org)
1. The industrial hygiene specialist uses the results of measurement of air pollution, information about the conditions of work and information about the properties of the cartridges, and then they makes the schedule for cartridges replacement [13] . (wikisource.org)
It was later decided to include nitions of carcinogens were based on pollution, occupational exposure to a review of lifestyle factors that are the January 2013 list of agents classified carcinogenic compounds, and lifestyle known to influence cancer risk. (who.int)
Currently, urban air pollution is a significant health risk for urban dwellers worldwide, accounting for 5% of the global disease burden (Cohen et al. (springer.com)
Poor air quality is such an issue that it is directly addressed within the SDG targets: SDG 3.9 (substantial reduction of health impacts from hazardous chemicals and air, water, and soil pollution) and SDG 11.6 (reduction of adverse per capita environmental impacts of cities, including paying special attention to air quality and other waste management). (springer.com)
Consequently, the World Health Organisation (WHO) and other environmental agencies have established guidelines for air pollution for a range of contaminants (Table 1 ). (springer.com)
The science on the effects of global climate change and air pollution on morbidity and mortality is clear and debate now centres around the scale and precise contributions of particular pollutants. (mdpi.com)
Rise in air pollution level drives the market growth driving the air purifier market across the globe Request for Sample Copy of Study Report on Air Purifier Market: https://bit.ly/2IoqK9m Air pollution is the emission of toxic elements into the atmosphere by natural or anthropogenic sources. (joomag.com)
Anthropogenic air pollution is often summarized as being mainly related to motorize street traffic (especially exhaust gases and tire abrasion). (joomag.com)
The World Health Organization (WHO) estimates 2.4 million fatalities due to air pollution every year. (joomag.com)
Background: The evidence regarding the relationship between postnatal exposure of air pollution and child malnutrition indicators, as well as the corresponding urban-rural disparities, is limited, especially in low-pollution area of low- and middle-income countries (LMICs). (bvsalud.org)
Most of the households in developing countries burn biomass fuel in traditional stoves with incomplete combustion that leads to high indoor air pollution and acute respiratory infections. (hindawi.com)
Household air pollution can result from fuels that are used for cooking, indoor tobacco smoking, insecticides and pest controls, and building materials and chemicals used for cleaning purposes [ 1 ]. (hindawi.com)
Incomplete combustion of biomass fuel for domestic energy requirement with very traditional stoves in three-rock adjustment leads to high indoor air pollution [ 2 ]. (hindawi.com)
Balmes JR. Balmes J.R. Balmes, John R. Outdoor Air Pollution. (mhmedical.com)
The dramatic air pollution episodes that occurred in the early part of the twentieth century in Belgium's Meuse Valley, Donora, Pennsylvania, and London, England, are not likely to occur in the world today. (mhmedical.com)
Furthermore, in some eastern European and Asian countries, where sulfur-containing fuels are burned without adequate air quality regulations, air pollution levels may be attained similar to those that were associated with excess mortality. (mhmedical.com)
By analyzing the collected samples, researchers can evaluate air quality, monitor pollution levels, and investigate potential health risks associated with airborne particles. (jjtobin.com)
Active air sampling plays a crucial role in environmental monitoring, occupational safety assessments, and research studies related to air pollution. (jjtobin.com)
Overall, active air sampling serves as an essential tool for evaluating air quality, identifying sources of pollution, and implementing appropriate mitigation strategies to maintain healthy and safe environments. (jjtobin.com)
This method helps assess the overall air quality of a specific area and identify pollution sources contributing to the contamination. (jjtobin.com)
This data is crucial for assessing compliance with air quality regulations, identifying health risks, and formulating effective pollution control strategies. (jjtobin.com)
The rigorous traffic limitations during COVID-19 have forced many people to work from home, reaching an outstanding degree of teleworking and reduction in air pollution. (nature.com)
We propose that teleworking be prioritized and promoted as an effective contribution towards reduction of long-term urban air pollution and short-term pollution peaks. (nature.com)
Here we want to reflect upon lessons learned from the COVID-19 mitigation measures in terms of reduced mobility and teleworking and its joint effect on urban air pollution. (nature.com)
As sharp drops in air pollution during confinement periods indicate, COVID-19 experiences may teach us some important lessons about how the deadly global air pollution crisis might be overcome. (nature.com)
Traffic emissions typically contribute 30-45% to urban air pollution 9 . (nature.com)
Studies suggest that higher breast cancer rates in urban areas persist after accounting for the prevalence of known risk factors, leading to speculation that urban environmental exposures, such as air pollution, may play a role in the etiology of breast cancer. (biomedcentral.com)
Few studies have examined ambient air pollution exposure and risk of breast cancer incidence in human populations. (biomedcentral.com)
One example was a small project that we funded looking at bus shelter design, which used very advanced computer modelling for roadside air pollution bus shelters. (intelligenttransport.com)
Air pollution is a major environmental risk to health. (tuengr.com)
Indoor air formaldehyde (HCHO) pollution of urban coach cabins. (tuengr.com)
Perceived air quality, sick building syndrome (SBS) symptoms and productivity in an office with two different pollution loads. (tuengr.com)
Hong Kong's current Air Quality Objectives (AQOs) have been adopted since 1987 and the standard set for particulate matter pollution is only confined to respirable suspended particles PM10. (edu.hk)
Learn about the various effects of air pollution for students and teachers. (environmentalpollution.in)
The effects of air pollution on human beings is mainly on eyes and respiratory system. (environmentalpollution.in)
The first study can be found published in the Lancet Planetary Health, the second study by the same research team finding 1.8 million excess deaths around the world linked to urban air pollution was also published on Jan. 5th in the Lancet Planetary Health. (worldhealth.net)
Despite the improvements in air quality in Europe and the U.S., dirty air, and particularly NO 2 pollution, has been rising in South Asia, Sub-Saharan African, and the Middle East. (worldhealth.net)
A second study by Veronica Southerland at GW, Anenberg, and their colleagues finds that 1.8 million excess deaths can be linked to urban air pollution in 2019 alone. (worldhealth.net)
The World Health Organization estimates that around 7 million deaths, mainly from non-communicable diseases, are attributable to the joint effects of environmental and domestic air pollution [ 1 ]. (biomedcentral.com)
There are some links between environmental pollution and human cancer, and she is setting out to make sure that we all understand that those same environmental pollutants can also contribute to cancer in our dogs. (dogcancer.com)
So if you have high ozone, that's a marker for high VOC air pollution. (dogcancer.com)
It's not clear whether it's the ozone itself or it's just a marker of high air pollution. (dogcancer.com)
Ambient temperature and air pollution associations with suicide and homicide mortality in California: A statewide case-crossover study Sci Total Environ. (usc.edu)
Adaptation Resources and Responses to Wildfire Smoke and Other Forms of Air Pollution in Low-Income Urban Settings: A Mixed-Methods Study Int J Environ Res Public Health. (usc.edu)
The Effects of Coexposure to Extremes of Heat and Particulate Air Pollution on Mortality in California: Implications for Climate Change Am J Respir Crit Care Med. (usc.edu)
Health Outcomes in Children Associated with Prenatal and Early-Life Exposures to Air Pollution: A Narrative Review Toxics. (usc.edu)
Long-term air pollution and COVID-19 mortality rates in California: Findings from the Spring/Summer and Winter surges of COVID-19 Environ Pollut. (usc.edu)
Prenatal and childhood exposure to air pollution and traffic and the risk of liver injury in European children Environ Epidemiol. (usc.edu)
Air pollution and lung function in children J Allergy Clin Immunol. (usc.edu)
Outdoor Air Pollution and New-Onset Airway DiseaseAn Official American Thoracic Society Workshop Report. (usc.edu)
Are associations between socio-economic characteristics and exposure to air pollution a question of study area size? (lu.se)
Therefore, when conducting an epidemiological study on the health effect of air pollution, socio-economy may act as a confounding factor. (lu.se)
1) Adjusting for socio-economy is important when investigating the health effects of air pollution. (lu.se)
2) The county of Scania seems to be heterogeneous regarding the association between air pollution and socio-economy. (lu.se)
3) The relationship between air pollution and socio-economy differs in the five cities included in our study, depending on whether they are analysed separately or together. (lu.se)
Some research indicates smoke from wildfire may be more of a problem than regular air pollution. (roadbikerider.com)
Children, including teenagers, because their respiratory systems are still developing, they breathe more air (and air pollution) per pound of body weight than adults, they're more likely to be active outdoors, and they're more likely to have asthma. (roadbikerider.com)
The AQI numerically ranks levels of pollution and describes the air quality. (roadbikerider.com)
We found that communities under the flight paths near the airport are exposed to higher proportions of smaller-sized, 'ultra-ultrafine' pollution particles and over a larger area compared to pollution particles associated with roadways," said Edmund Seto , co-principal investigator and associate professor of environmental and occupational health sciences in the UW School of Public Health. (washington.edu)
The discovery of the unique signature of aircraft pollution opens up opportunities for follow-up studies, said Michael Yost , professor and chair of the Department of Environmental & Occupational Health Sciences. (washington.edu)
We can now study the specific health effects of aircraft-related pollution, how different neighborhoods may be affected by it and specific interventions that could reduce human exposure to these pollutants," said Yost, who is also a co-investigator on the study. (washington.edu)
Their analysis showed that roadway air pollution particles consist of relatively larger particle sizes and higher black carbon concentrations. (washington.edu)
Our data showed a statistically significant association between long-term exposure to fine particlulate matter air pollution, at home and at work, and risk of breast cancer. (medscape.com)
Breast cancer risk increased by 28% when exposure to fine particulate (PM2.5) air pollution increased by 10 µg/m 3 . (medscape.com)
Smaller increases in breast cancer risk were also recorded in women exposed to high levels of larger particulate air pollution (PM10 and NO2). (medscape.com)
At last year's ESMO Congress, he explained how particulate matter air pollution caused tumor proliferation in patients with a certain type of genetic mutation. (medscape.com)
[ 1 ] NO 2 in particular is among the most commonly recognized components of air pollution. (medscape.com)
As an engineering student, she studied how indoor building materials may contribute to indoor air pollution. (medlineplus.gov)

Information on levels of exposure to these compounds, as measured by their metabolite levels in urine, is essential to determine the need for regulatory mechanisms to reduce the levels of hazardous air pollutants to which the general population is exposed. (cdc.gov)

Occupational exposures constitute the highest risk of toxicity and domestic exposure is uncommon. (wikipedia.org)
The World Health Organization (WHO) developed a global recommendation limiting exposures to less than 20 parts per billion for chronic exposure and value less 100 ppb for one hour for acute exposure, using nitrogen dioxide as a marker for other pollutants from fuel combustion. (wikipedia.org)
It is not known how recent intensified emission legislation and use of renewable fuels have reduced or altered occupational exposures. (lu.se)
Ratios between personal exposures and ambient concentrations were similar and close to 1 for EC and NO2, but significantly higher for PAHs. (lu.se)
Using modern vehicles with diesel particulate filter (DPF) may have contributed to the lower ambient underground PM concentration and exposures. (lu.se)
Those studies and several epidemiologic findings before them, continue to support the implementation of regulatory programs to reduce exposures of underground miners to radon and to provide compensation for occupational lung-cancer (Samet 1992). (nationalacademies.org)
well as occupational exposures. (wisconsin.gov)
Gradient's air quality experts work hand-in-hand with our risk assessors to provide estimates of indoor and outdoor air pollutant exposures that are used as inputs for site-specific risk assessments. (gradientcorp.com)
To assess occupational exposures and acute and subacute health effects among WFFs, the wildland firefighter exposure and health effects study collected data for a 2-year repeated measures study. (cdc.gov)

There were also generally weak and variable associations between day to day changes in concentrations of urban air pollutants at a single central point and emergency hospital admission rates from cardiac and respiratory disease. (bmj.com)
However, certain environmental air pollutants, such as ozone and respirable particles, do reach levels that may cause acute and chronic respiratory effects. (mhmedical.com)
Radon-222, a noble gas resulting from the decay of naturally occurring uranium-238, was the first occupational respiratory carcinogen to be identified. (nationalacademies.org)
It is commonly accepted that the associations between the respirable suspended particles and adverse respiratory health effects are mainly attributable to the fine particles (particles with an aerodynamic diameter of less than 2.5 μm, PM2.5) because of their higher number (count) concentration, larger surface area and deeper lung deposition. (edu.hk)
and Ms. Qiu Hong, PhD Candidate, Division of Occupational and Environmental Health, the Jockey Club School of Public Health and Primary Care at CUHK present their recent research on 'Effects of Coarse Particulate Matter on Emergency Hospital Admissions for Respiratory Diseases' and recommend Hong Kong's New Air Quality Objectives should not ignore coarse particulate pollutants. (edu.hk)
Professor Yu's research has established the adverse effects of coarse particles on respiratory health, independent of fine particles and gaseous pollutants. (edu.hk)
It consists of lungs and respiratory tract (e.g. tract of air passage from nasal cavity to the lungs). (environmentalpollution.in)

A considerable body of literature over the last four decades has demonstrate the removal of gaseous contaminants through phytoremediation, a technology that relies on plant material and technologies to remediate contaminated air streams. (springer.com)
For gaseous pollutants, we observed that gastroenterology had the highest levels of CO2 (869 ± 112 ppm) and total volatile organic compounds (3.70 ± 1.00 ppm) compared to the other operating rooms. (tmu.edu.tw)
Average total PAHs were mainly present in the gaseous phase with the highest concentrations of 746.6~1045.8 ng/m3 for gynecology. (tmu.edu.tw)
However, gaseous PAHs emitted from surgical practices can reach levels that may pose important cancer risks in terms of occupational health. (tmu.edu.tw)

A central ambient monitoring station provided daily concentrations of fine particles (PM 2.5 , sulfate, elemental carbon) and gases. (bmj.com)
Aerosol - a suspension of solid and/or liquid particles in a gas (like air). (cdc.gov)
Air filters are least efficient for particle sizes of about 0.3 microns and collect smaller and larger particles more efficiently. (cdc.gov)
Corrections can be applied for this self-absorption of alpha particles in some samples (e.g. air filters). (cdc.gov)
This method involves actively drawing air into a collection device, allowing for the capture and analysis of airborne particles, contaminants, and microorganisms. (jjtobin.com)
Active air sampling is a technique used to collect and analyze airborne particles in various environments, such as indoor spaces, workplaces, or outdoor areas. (jjtobin.com)
These devices draw air through filters or collection media, which capture particles present in the sampled air. (jjtobin.com)
The collected samples can then be analyzed using techniques like microscopy, spectroscopy, or chemical analysis to determine the composition and concentration of the captured particles. (jjtobin.com)
Particles of size less range from 0.25 to 1 microns enter alveoli of lungs and deposit which reduces the volume of the alveoli thereby causing damage to the lungs by minimising the oxygen exchange from air to blood. (environmentalpollution.in)
The finding comes from the two-year Mobile ObserVations of Ultrafine Particles or "MOV-UP" study funded by the Washington State Legislature to examine the air-quality impacts of aircraft traffic on communities located within 10 miles of Sea-Tac Airport. (washington.edu)
It is very concerning that small pollutant particles in the air and indeed microplastic particles of similar size are getting into the environment when we don't yet understand their potential to promote cancer. (medscape.com)
There is an urgent need to set up laboratory studies to investigate the effects of these small air pollutant particles on the latency, grade, aggression , and progression of breast tumors," he added. (medscape.com)

Nitrogen dioxide is reddish-brown with a very harsh smell at high concentrations, at lower concentrations it is colorless but may still have a harsh odour. (wikipedia.org)
Prolonged exposure to low concentration of the gas may have lethal effects, as can short-term exposure to high concentrations like chlorine gas poisoning. (wikipedia.org)
Suction walls are successfully used with high airflow rates and high concentrations of fumes and dust . (coralengineering.com)
Methylene chloride also irritates the nose and throat at high concentrations. (accas.info)
High concentrations of smoke can trigger a range of symptoms. (roadbikerider.com)

Our air quality experts also routinely conduct exposure assessments for indoor and outdoor air pollutants and can provide testimony on air quality issues. (gradientcorp.com)

A new building usually faces problems with indoor air pollutants. (tuengr.com)

NIOSH immediately dangerous to life or health concentrations database (IDLH). (cdc.gov)
It is one of the major air pollutants capable of causing severe health hazards such as coronary artery disease as well as stroke. (wikipedia.org)
Based on the results of the screening, appropriate occupational health and safety measures have been identified to ensure the protection of workers at the site. (worldbank.org)
In addition, to assess the risk to neighboring communities, air quality measurements will be carried out by the National Institute for Public Health and the Environment of the Netherlands ( Rijksinstituut voor Volksgezondheid en Milieu, RIVM ) in January 2019. (worldbank.org)
BACKGROUND: Occupational and environmental exposure to petroleum refinery products poses a great threat to human health. (who.int)
PURPOSE: Underground diesel exhaust exposure is an occupational health risk. (lu.se)
Funding: This work is supported by funding from the National Institute of Environmental Health Sciences (ES-09825), the US Environmental Protection Agency (R826780-01-0, R827353-01-0), the Ohio Coal Development Office within the Ohio Air Quality Development Authority (CDO/D-98-2), the Electric Power Research Institute (EP-P4464/C2166), the American Petroleum Institute (#78142), and the United States Department of Energy's National Energy Technology Laboratory (DE-FC26-00NT40771). (bmj.com)
Ozone is a problematic air pollutant that causes serious health problems. (sciencedaily.com)
Poor indoor air quality has become of particular concern within the built environment due to the time people spend indoors, and the associated health burden. (springer.com)
Volatile organic compounds (VOCs) off-gassing from synthetic materials, nitrogen dioxide and harmful outdoor VOCs such benzene, toluene, ethyl-benzene and xylene penetrate into the indoor environment through ventilation and are the main contributors to poor indoor air quality with health effects. (springer.com)
As intake of polluted air can have severe health effects such as asthma, COPD, or increased cardiovascular risks, most countries have strengthened laws to control the air quality and mainly focus on emissions from automobiles. (joomag.com)
Studies have shown that vehicle cabins commonly show concentrations of toxic gases such as carbon monoxide (CO), hydrocarbons (HC), volatile organic compounds (VOC), and oxides of nitrogen (NOx) higher than safety limits set by Occupational Safety and Health Administration (OSHA) and World Health Organization (WHO). (joomag.com)
It requires the Environmental Protection Agency (EPA) to list those pollutants for which there is sufficient scientific evidence documenting the risk to public health from unregulated exposure. (mhmedical.com)
To achieve this, the EPA periodically reviews a large body of scientific research dealing with the adverse health effects of pollutants. (mhmedical.com)
Table 46-1 lists the six criteria air pollutants, their NAAQSs, and their principal adverse health effects. (mhmedical.com)
By sampling the air directly, active air sampling provides valuable insights into air quality, pollutant levels, potential health risks, and the efficacy of ventilation and filtration systems. (jjtobin.com)
Through its ability to detect both known and unknown airborne agents, active air sampling plays a vital role in environmental monitoring, occupational safety, public health, and research endeavors. (jjtobin.com)
These methods enable scientists, environmentalists, and public health officials to gather crucial data for assessing the presence and concentration of pollutants in the atmosphere. (jjtobin.com)
Although the progeny of radon are now a well-recognized cause of lung-cancer, radon itself has again become a topic of controversy and public-health concern because it has been found to be a ubiquitous indoor air pollutant to which all persons are exposed (Cole 1993 and Proctor 1995 review the controversy). (nationalacademies.org)
More than 80% of the people living in urban areas are exposed to air quality levels that do not meet air quality standards of the World Health Organization 3 , with populations in low-income cities being most impacted 4 . (nature.com)
Nearly 200 air toxicants have been associated with adverse health effects in occupational studies or laboratory studies, but have not been monitored in general population groups. (cdc.gov)
Suzanne Bartington, Clinical Associate Professor at the Institute of Applied Health Research, University of Birmingham, spoke with Intelligent Transport's Halimah Haque about the transformative potential of interdisciplinary research and collaboration within the TRANSITION Clean Air Network to address pressing air quality challenges, as well as promote the health and wellbeing of communities across the UK. (intelligenttransport.com)
The Transition Clean Air Network spans nine UK universities, the UK Health Security Agency and over 20 cross sector partners. (intelligenttransport.com)
Our aim is to catalyse the whole transport community towards optimising the benefits of decarbonisation for air quality and health. (intelligenttransport.com)
But what we want to do as a community within TRANSITION is to make sure that we get those win-wins for air quality and health, alongside the decarbonisation targets that we want to achieve. (intelligenttransport.com)
Higher formaldehyde concentration can affect human health problems, and discomfort and reduce productivity. (tuengr.com)
The formaldehyde concentration values were investigated through field measurements and compared to the limits stated in the Occupational Safety and Health Act standard. (tuengr.com)
Indoor air quality, ventilation and health symptoms in schools: an analysis of existing information. (tuengr.com)
Department of Occupational Safety and Health (DOSH) Malaysia. (tuengr.com)
In Hong Kong, air quality has been deteriorating for over 20 years and presents a serious threat to the health of its citizens. (edu.hk)
To better protect public health, the Environmental Protection Department of the HKSAR Government launched a public consultation to review Hong Kong's AQOs in mid-2007, making reference to the World Health Organization (WHO) 2005 air quality guidelines. (edu.hk)
NO is not irritant and it will not cause any adverse health effects at atmospheric concentrations. (environmentalpollution.in)
Our study found that nitrogen dioxide puts children at risk of developing asthma and the problem is especially acute in urban areas," Susan Anenberg, a co-lead author of the article and a professor of environmental and occupational health at the George Washington University, said. (worldhealth.net)
That good news means that cleaner air in Europe and parts of the U.S. have resulted in big health benefits for children, especially those living in neighborhoods near busy roadways and industrial sites. (worldhealth.net)
Indoor air quality (IAQ) is referred to as "the air quality within and around buildings and structures, especially as it relates to the health and comfort of building occupants" (US EPA, 2015). (overleaf.com)
end{abstract} \section{Introduction} Indoor air quality (IAQ) is a frequent and relevant health and safety concern in many confined environments where human occupancy exists. (overleaf.com)
As individuals spend approximately 90 percent of their time indoors (US EPA, 2015) it is important to recognize that adverse health effects can occur from poor air quality. (overleaf.com)
Hence, IAQ is derived from an array of sources, from which elevated levels of carbon dioxide (CO$_{2}$) has historically been considered a proxy indicator of poor air quality (Health Canada, 1989). (overleaf.com)
Concern that may arise about the health effects of emitted substances is offset, to some extent, by modern, well-managed WTE plants emitting concentrations of these pollutants lower than the concentrations emitted by MSW traditional incineration [ 9 ]. (biomedcentral.com)
The Oregon State University public health doctoral degree program with a concentration in environmental and occupational health (EOH) provides research-based training for identifying and measuring hazards, studying potential adverse health effects and discovering new ways to control hazards. (oregonstate.edu)
Our program's specialty areas are ergonomics, occupational safety, environmental health and environmental epidemiology. (oregonstate.edu)
Our environmental and occupational health doctoral graduates go on to prestigious post-doctoral training, and academic and research positions. (oregonstate.edu)
What you'll learn in the environmental and occupational health concentration. (oregonstate.edu)
People with heart disease, asthma, emphysema, or … health effects occurring depends mostly on the concentration of air pollutants in people's breathing zone (the air that's breathed around the nose and mouth). (wisconsin.gov)
California's early transition to electric vehicles: Observed health and air quality co-benefits Sci Total Environ. (usc.edu)
Gradient assessed potential air quality impacts and health risks associated with particulate matter (PM) and trace metal constituents, including thallium and arsenic, emitted during upset events and normal operating conditions at a large coal-fired power plant. (gradientcorp.com)
We then modeled H 2 S concentrations downwind of the farm and compared the modeled values with published health benchmarks. (gradientcorp.com)
Gradient conducted a toxicological assessment for analytes found in the study and evaluated the likelihood for potential health risks associated with air emissions from the printer. (gradientcorp.com)
For BenMAP, we evaluated the impacts of using alternative model inputs, including air quality inputs and health effects functions, on ozone mortality estimates. (gradientcorp.com)
Severe burn injuries and death are possible immediate outcomes of a wildfire, yet some health impacts can be more far-reaching, affecting not only anyone directly exposed to the flames, smoke, ash, and extinguishing materials, but also populations for whom traveling wildfire smoke negatively impacted air quality. (marsh.com)
Top health concerns [8] include reduced lung function and increased cardiovascular risks due to particulate matter (PM 2.5 ) in the air. (marsh.com)
The U.S., through the Occupational Safety and Health Act [11] (OSHA), along with many other countries, are responsible for the safety and health of their employees and for providing a safe and healthy workplace. (marsh.com)
Researchers at the UW Department of Environmental & Occupational Health Sciences and the Department of Civil & Environmental Engineering collected air samples at numerous locations around Sea-Tac Airport over the course of a year between 2018 and 2019. (washington.edu)
The Environmental Protection Agency considers PERC a toxic air pollutant, meaning that it's "known or suspected to cause cancer or other serious health effects. (rinse.com)
According to The National Institute for Occupational Safety and Health (NIOSH), PERC is a "potential occupational carcinogen. (rinse.com)
Following a proposal from the European Commission in October 2022 to reduce the limit for PM2.5 particulates in the air from the current 25 µg/m 3 to 10 µg/m 3 by 2030, ESMO urged a further reduction in the PM2.5 limit to 5 µg/m 3 , in line with the World Health Organization's air quality guidance , according to the press release. (medscape.com)
Clean air is recognized as a basic requirement for human health and well-being, alongside access to clean water and sanitation. (medscape.com)
Overall, 65% of paired samples (across all sample days) showed a post-shift increase in urinary levoglucosan and 5 firefighters were exposed to benzene at concentrations at or above the National Institute for Occupational Safety and Health (NIOSH) recommended exposure limit. (cdc.gov)
I became interested in environmental and occupational health and wanted to understand how to measure indoor contaminants and identify where they come from. (medlineplus.gov)
The photo was probably made during a National Institute for Occupational Safety and Health investigation in the 1970s of possible health hazards at this workplace. (cdc.gov)

However, the WTE process involves the combustion of RDF components with consequent potential emissions of persistent organic pollutants such as dioxins [ 7 ], but it also emits carbon dioxide (CO 2 ), sulfur dioxide (SO 2 ), nitrogen oxides (NO x ) per unit of electricity produced higher than other forms of energy such as natural or renewable gas [ 8 ]. (biomedcentral.com)
NO 2 is one of several pollutants formed as a byproduct of burning fuel or combustion. (medscape.com)

Nitrogen dioxide is an irritant of the mucous membrane linked with another air pollutant that causes pulmonary diseases such as obstructive lung disease, asthma, chronic obstructive pulmonary disease and sometimes acute exacerbation of COPD and in fatal cases, deaths. (wikipedia.org)
the most volatile and prevalent in the air above swimming pools is nitrogen trichloride. (ersjournals.com)
Two lifeguards and one swimming teacher with symptoms suggestive of occupational asthma kept 2-hourly measurements of peak expiratory flow at home and at work, analysed using the occupational asthma system (OASYS) plotter, and/or had specific bronchial challenge testing to nitrogen trichloride, or a workplace challenge. (ersjournals.com)
Air measurement in one of the pools showed the nitrogen trichloride levels to be 0.1−0.57 mg·m −3 , which was similar to other studies. (ersjournals.com)
Two workers had peak expiratory flow measurements showing occupational asthma (OASYS-2 scores 2.88 and 3.8), both had a positive specific challenge to nitrogen trichloride at 0.5 mg·m −3 with negative challenges to chlorine released from sodium hypochlorite. (ersjournals.com)
Anenberg and her colleagues studied ground concentrations of nitrogen dioxide, or NO 2 , a pollutant that comes from tailpipe vehicle emissions, power plants, and industrial sites. (worldhealth.net)
Nitrogen dioxide (NO 2 ) is a reddish-brown gas that has a sharp, harsh odor at higher concentrations but may be clear and odorless at lower, but still harmful, concentrations. (medscape.com)

Extended monitoring of the composition of and human exposure to air pollutants is recommended. (who.int)
BACKGROUND: Numerous studies have shown that exposure to air pollutants in the area of residence and the socio-economic status of an individual may be related. (lu.se)
It is therefore inadvisable to determine and analyse associations between socio-economy and exposure to air pollutants on county level. (lu.se)

2009). Acetaldehyde is also a ubiquitous indoor and outdoor air pollutant. (who.int)

The first series of three workers who developed occupational asthma following exposure to airborne chloramines in indoor chlorinated swimming pools is reported. (ersjournals.com)
The results were entered into occupational asthma system (OASYS)-2, a computer-assisted plotting and analytical system for the diagnosis of occupational asthma from serial PEF records. (ersjournals.com)
2.5 has a sensitivity of 75% and a specificity of 94% for a diagnosis of occupational asthma 7 . (ersjournals.com)
Nearly 2 million new cases of pediatric asthma every year may be caused by a traffic-related air pollutant, a problem particularly important in big cities around the world, according to a new study published today. (worldhealth.net)
The study is the first to estimate the burden of pediatric asthma cases caused by this pollutant in more than 13,000 cities from Los Angeles to Mumbai. (worldhealth.net)
The fraction of pediatric asthma cases linked to NO 2 in urban areas dropped recently, probably due to tougher clean air regulations put in place by higher-income countries like the United States. (worldhealth.net)
So if there's high ozone in the air, people tend to have more asthma and things. (dogcancer.com)

These results were expected as the majority of samples which exceeded limits were collected in the smoke where the concentration of emissions is high. (worldbank.org)
In urban centres, vehicle emissions are the primary source of harmful pollutants. (springer.com)
We use regulatory- and industry-standard models to estimate emissions and predict air concentrations from a variety of industries and source types. (gradientcorp.com)
We reconstructed emissions and performed air dispersion modeling for short-term soot events, identifying maximum impact areas. (gradientcorp.com)
We conducted air monitoring to develop H 2 S emissions factors for several barns, a waste lagoon, and land application of liquid manure. (gradientcorp.com)
In contrast, emissions associated with aircraft consist of the relatively smaller ultra-ultrafine particle sizes and lower black carbon concentrations. (washington.edu)

The limited data on occupational exposure suggests that the greatest risks for workers in the construction industry are likely to be from environmental dust and related air pollutants. (who.int)
The arithmetic mean concentration of nicotine and total dust declined from 28.3 microg m(-3) (range, 0.4-88.0) and 262 microg m(-3) (range, 52-662), respectively, to 0.6 microg m(-3) (range, not detected-3.7) and 77 microg m(-3) (range, not detected-261) after the smoking ban. (nih.gov)
It provides valuable data for understanding the presence of allergens, pathogens, dust, volatile organic compounds (VOCs), and other potentially harmful substances in the air. (jjtobin.com)
Air-borne gases, vapours, fumes and dust etc., when they come and contact the organs of the body it causes irritation of eyes, nose, throat, and lungs. (environmentalpollution.in)
Although OSHA currently has no federal standard for wildfire smoke exposure, California and Oregon have requirements for the protection of employees, which include air quality monitoring, training, communication, engineering, and administrative controls to reduce exposure, as well as provisions for dust masks. (marsh.com)
To evaluate exposure to indoor pollutants such as pesticides, researchers collect and analyze dust samples from inside people's homes and test them for pesticide residue. (medlineplus.gov)

We characterized these effects on multipollutant personal exposure to diesel exhaust and underground ambient air concentrations in an underground iron ore mine. (lu.se)
Combining modeled ambient air concentrations with data from a large prospective cohort of California women with over 15 years of follow-up, we examined the relationship between breast cancer incidence and modeled concentrations of air pollutants shown to be mammary gland carcinogens (MGCs). (biomedcentral.com)
Modeled annual average ambient air concentrations of 24 MGCs from the U.S. Environmental Protection Agency were linked to participants' addresses. (biomedcentral.com)
Results must be interpreted cautiously, as estimated exposure was limited to modeled annual average ambient air concentrations, and could not account for other sources or routes other than inhalation. (biomedcentral.com)

OBJECTIVES: To examine possible associations between daily concentrations of urban air pollutants and hospital emergency admissions and mortality due to cardiac and pulmonary disease. (bmj.com)

The authors observed odds ratios for having SVE over the length of the protocol of 1.42 (95% CI 0.99 to 2.04), 1.70 (95% CI 1.12 to 2.57), and 1.78 (95% CI 0.95 to 3.35) for 10.0 μg/m 3 , 4.2 μg/m 3 , and 14.9 ppb increases in five day moving average PM 2.5 , sulfate, and ozone concentrations respectively. (bmj.com)
For bladder cancer , the initial study found that dogs were at a higher risk of developing bladder cancer if they lived in a county with higher ozone concentrations or higher levels of trihalomethanes in the tap water. (dogcancer.com)

In one study people 30 healthy men exercised in normal air and then exercised breathing in diesel exhaust, a pollutant somewhat similar to wildfire smoke. (roadbikerider.com)

The main purpose of active air sampling is to assess the quality of air and identify potential contaminants or pollutants present. (jjtobin.com)
When it comes to studying air quality and monitoring airborne contaminants, various air sampling techniques are employed. (jjtobin.com)
These devices rely on the natural movement of air and diffusion processes to capture contaminants over a certain period. (jjtobin.com)
It involves measuring various factors that can affect the quality of the air we breathe indoors, including temperature, humidity, particulate matter, volatile organic compounds (VOCs), carbon dioxide (CO2), and other potential contaminants. (jjtobin.com)
Photochemical smog consists of air contaminants such as O 3 , PAN, PBN (peroxy-benzyl nitrate), aldehydes, ketones etc. (environmentalpollution.in)

Air quality in vehicle cabins is usually found to be worse than those typically found in homes or workplaces. (joomag.com)
Occupational exposure to acetaldehyde may occur by inhalation and skin exposure at workplaces where this compound is produced or used. (who.int)

Semi-volatile PAHs may not be effectively reduced by the aftertreatment systems, and ambient area sampling did not predict the personal airborne PAHs exposure well, neither did the slightly elevated concentration of urinary PAH metabolites correlate with airborne PAH exposure. (lu.se)
Anisokinetic sampling - a sampling condition that involves a mismatch between the air or \fluid velocity in the sampling probe and that in the stack releasing airborne effluents. (cdc.gov)
Reference methods for measuring airborne man-made mineral fibres (MMMF : WHO/EURO MMMF Reference scheme monitoring concentration using a phase contrast optical microscope, determining size using a scanning electron microscope / prepared by the WHO/EURO Technical Committee for Monitoring and Evaluating Airborne MMMF. (who.int)
Some people show symptoms when exposed to environmental conditions containing increased concentration of airborne pollutants and antigens. (specialityhomeopathy.com)

Air filter - a solid matrix used in an air sampler to collect particulates from the air, which is drawn by an air pump through the filter. (cdc.gov)

The European Environmental Agency has been tracking the weekly average concentrations of air pollutants (NO 2 , Particulate Matter with a diameter of ≤10 µm (PM10, PM2.5) of many European cities where restrictive measures have been implemented 16 , showing that most cities reduced contamination levels by 30-50% compared with the same period in 2019. (nature.com)

One of our key themes was characterising emerging air quality challenges and risks. (intelligenttransport.com)

The purpose of this study is to investigate formaldehyde concentration and distribution in a new and full air-conditioning office at a dimension of 7.3m x 5.8m x 2.9m. (tuengr.com)
The result shows that formaldehyde concentration exceeds the maximum limit of OSHA standard and the zone under the ceiling cassette air condition experiences the highest concentration zone compared to other zones. (tuengr.com)
A healthy environment in the office can be achieved by reducing the formaldehyde concentration level through effective formaldehyde distribution. (tuengr.com)
Formaldehyde sources, formaldehyde concentrations and air exchange rates in European housings. (tuengr.com)

This data is extremely valuable to toxicologists, persons concerned with use of respirators, industrial hygienists, persons concerned with indoor air quality, and emergency response personnel. (cdc.gov)

This technique allows for continuous monitoring and rapid detection of pollutants, enabling timely mitigation measures. (jjtobin.com)

The principal route of human exposure to methylene chloride is inhalation of ambient air. (accas.info)

The list of pollutants that can be measured with these devices is growing, but includes particulate matter less than 2.5 micrometers (PM 2.5 ), volatile organic compounds (VOCs), CO 2 , and NO 2 . (ca.gov)
Current studies are directly measuring the volatile organic compounds (VOCs) and herbicides in the urine of Boxers with lymphoma as well as their levels in the air and tap water in those dogs' homes. (dogcancer.com)
And ozone is a breakdown product of chemicals called VOCs, that are pollutants in the environment. (dogcancer.com)

The emergence of relatively low-cost air samplers and sensors has created greater opportunities for community-based air measurements. (ca.gov)
We investigated nine surgical specialties in their corresponding operating rooms (ORs) for on-line measurements of pollutants and off-line determination of PAHs. (tmu.edu.tw)

The other pollutants, including elemental carbon, showed no effect on arrhythmia. (bmj.com)
Based on Technology type, the global air purifier market is further classified into HEPA Technology (High-Efficiency Particulate Air), Activated Carbon Technology, UV Technology, Negative Ion and Others. (joomag.com)
The function of this system is to inhale air into the lungs, filter the impurities from the inhaled air, supply oxygen from the inhaled air to the blood circulatory system and exhale carbon dioxide from the blood through nasal cavity. (environmentalpollution.in)
The aim of this study was to determine the effects of housing and management factors on the concentrations of carbon dioxide (CO2) and air exchange rates in 160 representative Australian pig buildings. (edu.au)
Indoor pollutant levels further determine the quality of indoor air, and one of the indicators used to measure IAQ is carbon dioxide (CO 2 ). (overleaf.com)

One study published in Wildfire Today focused on wildfire fighters who breath smoky air for days at a time and "concluded that firefighters' exposure to smoke can increase the risk of mortality from lung cancer, ischemic heart disease, and cardiovascular disease. (roadbikerider.com)
NO 2 and the other pollutants it consorts with are increasingly associated with worsening lung function, increased risk of ischemic heart disease and stroke, increased rates of hospital admissions, and even increased rates of mortality. (medscape.com)

Accuracy - the ability of an analytical method to measure the true concentration of a contaminant ( see bias, precision ). (cdc.gov)
Blanks - samples containing extremely low concentrations of a contaminant , which are used to assess contamination from laboratory equipment and other steps in an analytical procedure. (cdc.gov)

This often uses cartridges filled with sorbent that absorbs harmful gases as the contaminated air passes through the cartridges. (wikisource.org)
When the sorbent was saturated enough, the contaminated air passes through the sorbent together with harmful substances, and harmful gases fall under the mask. (wikisource.org)
2. With increasing saturation of the sorbent, the concentration of harmful gases at the outlet of the cartridges gradually increases. (wikisource.org)
NO 2 is a reddish-brown gas that has a sharp, harsh odor at higher concentrations, but it may be clear and odorless at lower, but still harmful, concentrations. (medscape.com)

Another study examined the effects on firefighters' pulmonary function of one-time severe exposure to smoke six weeks after exposure and then 18 months later and found "firemen may develop lung disease related to their occupational exposure. (roadbikerider.com)

Different methods can be used to reduce the concentration of pollutants in the air of working area : sealing equipment, ventilation, etc. (wikisource.org)
Pollutants enter into the cabin via the ventilation system, also known as the heating, ventilation and air conditioning (HVAC) system. (joomag.com)
CFD study of the effects of furniture layout on indoor air quality under typical office ventilation schemes. (tuengr.com)
Buildings with automated ridge ventilation control had the lowest CO2 concentrations. (edu.au)
The wall ventilation inlet height was negatively correlated with CO2 concentration. (edu.au)
Air exchange rates were primarily affected by the type of ventilation, inlet height, stocking density, and building width and height. (edu.au)
vent control, ceiling height ► Air exchange affected by ventilation type, building dimensions and stocking density. (edu.au)

The free chlorine reacts with pollutants introduced by humans, such as sweat and urine 1 , to form aldehydes, halogenated hydrocarbons, and chloramines. (ersjournals.com)

We searched the literature for pollutant concentrations in the air samples of underground parking garages, the hazards associated with their inhalation, and their toxicological reference values. (hal.science)

Drs. Kenneth Donaldson and coworkers at the Institute of Occupational Medicine examined whether exposure to ozone activates white blood cells to release substances that can damage lung tissue. (healtheffects.org)

Ambient air sampling of these pollutants and particle number size distribution and. (lu.se)
Ambient air sampling of these pollutants and particle number size distribution and concentration were performed in the vicinity of the workers. (lu.se)
Another approach is real-time air monitoring , which provides immediate feedback on air quality by using advanced instruments like laser-based particle counters and gas analyzers. (jjtobin.com)
Fine particle pollutants can penetrate deep into the lungs, enter the bloodstream, and be absorbed into breast and other tissue. (medscape.com)

An information resource for serving & former members of the Irish Army Air Corps suffering illness due to unprotected toxic chemical exposure in the workplace. (accas.info)

The screening showed that several air pollutants emitted from subsurface fires exceeded international occupational exposure limits within the perimeter of the dumpsite. (worldbank.org)
GM) of the participating miners were 7 µg EC m-3 and 153 µg NO2 m-3, which are below the EU occupational exposure limits. (lu.se)

These episodes were caused by the large-scale burning of coal in the presence of "ideal" meteorologic conditions-atmospheric inversion leading to a stagnant air mass. (mhmedical.com)
The XENAIR study carried out on the prospective, longitudinal E3N cohort a year ago showed an increased risk for breast cancer after exposure to five atmospheric pollutants. (medscape.com)

The highest acetaldehyde concentrations were generally found in fortified wines (118 ± 120 mg/l, range 12-800 mg/l). (who.int)
100 µM) concentrations of acetaldehyde. (who.int)
Three recent studies have reported acetaldehyde air concentrations in facilities that produce and use flavorings. (who.int)
In a facility that manufactures flavorings, modified dairy products and bacterial additives, NIOSH (2007) reported mean, full-shift time-weighted average (TWA) acetaldehyde air concentrations of 0.14 ppm in the powder production room, 0.07 ppm in the liquid production room, and 0.07 ppm in the pre-production corridor. (who.int)
A task-based acetaldehyde air concentration of 0.19 ppm was measured during pouring and mixing of ingredients for a fruit flavor in the liquid production room. (who.int)
TWA acetaldehyde air concentrations were 0.44 ppm in the spray-drying room, 0.343 ppm in the powder production room, 0.273 ppm in the liquid production room, and 0.029 ppm in the pre-production corridor. (who.int)
The highest task-based acetaldehyde air concentration (4.02 ppm) was measured during packaging of a powdered dairy-flavored product in the powder production room. (who.int)
In a small popcorn popping plant, NIOSH (2009b) reported that acetaldehyde concentrations in air were less than the detectable (0.09 ppm) or quantifiable (0.15 ppm) concentrations. (who.int)

Gradient developed ozone exposure and risk assessments using the US EPA's Air Pollutants Exposure (APEX) and Environmental Benefits Mapping and Analysis Program (BenMAP) models. (gradientcorp.com)

The NIOSH IDLH data contain air concentration values used by NIOSH as respirator selection criteria. (cdc.gov)

Another feature of low-cost and portable sensors is that they can be co-located indoors, outdoors, and even on people at a given location to estimate the relative importance of different pollutant sources. (ca.gov)
AQS is conducting research to implement low cost and portable air samplers and sensors in a variety of environments. (ca.gov)
Title : Inter-comparison of Low-cost Sensors for Measuring the Mass Concentration of Occupational Aerosols Personal Author(s) : Sousan, Sinan;Koehler, Kirsten;Thomas, Geb;Park, Jae Hong;Hillman, Michael;Halterman, Andrew;Peters, Thomas M. (cdc.gov)

Smoke and ozone are two key pollutants that affect lung function and therefore exercise. (roadbikerider.com)

The defi- such as exposure to environmental air humans. (who.int)

Further air quality monitoring will follow under the Emergency Debris Management Project before, during and after the planned fire suppression operations. (worldbank.org)
Historically there have been several events that have drawn the attention of governments worldwide (Boyd 1960 ), to establish air quality assessment systems, such as the Los Angeles photochemical smog in the 1940s (Kuwata 1974 ) and the London smog in 1952 (Logan 1953 ). (springer.com)
Current air quality standards in North America preclude the development of episodes of this magnitude today. (mhmedical.com)
It is the principal federal standard addressing outdoor air quality. (mhmedical.com)
The subsequently produced documents are used in the development of a National Ambient Air Quality Standard (NAAQS) for each of the so-called criteria pollutants. (mhmedical.com)
Active air sampling is a crucial technique used in various fields to assess and monitor the quality of indoor and outdoor air. (jjtobin.com)
Indoor air quality is also a significant concern, leading to the development of specialized indoor air sampling techniques. (jjtobin.com)
Indoor air quality monitoring is the process of assessing and evaluating the level of air pollutants present in enclosed spaces such as homes, offices, schools, and other indoor environments. (jjtobin.com)
This exceptional situation can be examined as a large-scale pilot test to determine the potential of improving urban air quality through teleworking. (nature.com)
We know that we've got to achieve net zero and we also know that there are challenges with air quality. (intelligenttransport.com)
In what way will the TRANSITION network's interdisciplinary approach facilitate the collaborative development and implementation of inventive measures to tackle air quality issues both inside and outside? (intelligenttransport.com)
Interdisciplinarity is absolutely key to the network, and to air quality more broadly as well. (intelligenttransport.com)
Indoor air quality and sick building syndrome in three selected buildings. (tuengr.com)
2010). Industry Code of Practice on Indoor Air Quality, 45 . (tuengr.com)
The ambient air quality standard is 10 ppm for 8-h exposure. (environmentalpollution.in)
There has been a growing interest in improving air quality within livestock buildings. (edu.au)
The results of this study suggest that there are a myriad of factors that may affect IAQ and that CO 2 is merely an indicator of poor air quality. (overleaf.com)
Certifications All air aspiration and filtration systems designed and manufactured by Coral comply with the highest standards and their quality is certified according to the norm UNI EN ISO 9001. (coralengineering.com)
Drawing upon a team of experts with diverse backgrounds and areas of expertise, Gradient offers a wide range of air quality services. (gradientcorp.com)
We also make use of monitored air quality datasets to more fully understand local conditions, and can assist in developing site-specific monitoring and sampling plans for both indoor and outdoor environments. (gradientcorp.com)
Gradient helped design a particulate matter (PM) air monitoring network and evaluated air quality data collected in the vicinity of a large construction project at a major university. (gradientcorp.com)
RBR reader Gary F. asks, "With all of the smoky days this summer and the air quality index running around 150 or so, do you curtail or modify your workout schedule to avoid the smoke? (roadbikerider.com)
The general Air Quality Index (AQI) devised by the Environmental Protection Agency (EPA) aggregates the pollutants into one numerical index. (roadbikerider.com)
Reported cases of measles were excluded the percent of persons in counties with poor air quality. (cdc.gov)

Air Purifier Market Analysis by Size, Share, Future Growth, Emerging Trends, And Outlook by Top Key Players 2018-2024 According to a new market report published by BlueWeave Consulting, the global air purifier market was valued at US$ 19,232 Mn in 2017 and is expected to expand at a CAGR of above 32.4% from 2018 to 2024, reaching US$ 182,101.1 Mn by the end of the forecast period. (joomag.com)

The process of active air sampling typically involves using specialized instruments such as air samplers or impingers. (jjtobin.com)
One widely used technique is passive air sampling , where pollutants are collected using passive devices such as sorbent tubes or diffusive samplers. (jjtobin.com)

Relevant occupational safety regulations therefore limit the concentrations of ozone allowable in the workplace. (sciencedaily.com)
Their structure is equipped with specific aspiration panels whose slits are able to rapidly extract big quantities of pollutants ensuring an immediate protection to the worker, besides efficiently keeping air healthy, so that they meet the requirements of the norms in force on matter of occupational safety. (coralengineering.com)
This was prior to the Irish Air Corps becoming LEADERS in workplace chemical Healh & Safety as "self-declared" recently to the Oireachtas Joint Committee on Foreign Affairs and Trade, and Defence. (accas.info)

It depends on the concentration and properties of gases, the sorption capacity of the filter and its usage conditions (air flow, humidity, temperature), as well as proper storage. (wikisource.org)

In non-smokers cotinine concentrations were higher based on urine sampled the morning after a shift than based on urine sampled immediately post-shift. (nih.gov)
The greatest difference of pre- and post-shift levoglucosan concentrations were observed on day 3 (pre-shift: 9.7 and post-shift: 47 g/mg creatinine) after WFFs conducted mop up (returned to partially burned area to extinguish any smoldering vegetation). (cdc.gov)

Anatomy5

Organisms1

Diseases12

Chemicals and Drugs54

Analytical, Diagnostic and Therapeutic Techniques and Equipment20

Phenomena and Processes24

Disciplines and Occupations5

Anthropology, Education, Sociology and Social Phenomena2

Technology, Industry, Agriculture5

Information Science2

Named Groups1

Health Care51

Geographicals18

Pollution76

Hazardous Air Pollutants1

Exposures9

Respiratory7

Gaseous4

Particles12

High concentrations5

OUTDOOR AIR POLLUTANTS1

Indoor air pollutants1

Health60

Combustion2

Nitrogen7

Exposure to air3

Ubiquitous indoor1

Asthma7

Emissions6

Dust6

Ambient air concentrations4

Daily concentrations1

Ozone concentrations2

Wildfire Smoke1

Contaminants5

Workplaces2

Airborne4

Particulates1

20191

Risks1

Formaldehyde4

Respirators1

Mitigation measures1

Human exposure1

VOCs3

Measurements2

Carbon5

Mortality2

Contaminant2

Harmful4

Pulmonary1

Ventilation7

Chlorine1

Inhalation1

Substances1

Particle4

Toxic1

Limits2

Atmospheric2

Acetaldehyde8

Assessments1

NIOSH1

Sensors3

Lung function1

Humans1

Quality24

20181

Samplers2

Safety3

Gases1

Post-shift2