Sentences with phrase «as volatile organic compounds»

Most indoor air quality issues stem from contaminants such as volatile organic compounds (present in many building materials, paints and solvents) and allergens such as dust, mould and pollen.

For example, early global chemical modelling results argued that global tropospheric ozone, a greenhouse gas, was controlled by emissions of the highly reactive gases nitrogen oxides (NOx), carbon monoxide (CO) and non-methane hydrocarbons (NMHC, also known as volatile organic compounds, VOC).

As if sweltering heat weren't bad enough, Europeans also suffered through a higher - than - normal number of days with dangerous smog levels that year.6 Smog — with ground - level ozone as the main component — forms when sunlight reacts with chemicals such as volatile organic compounds, carbon monoxide, nitrogen oxides, and water vapor.

In particular, aircraft jet engines produce carbon dioxide (CO2), water vapor (H2O), nitrogen oxides (NOx), carbon monoxide (CO), oxides of sulfur (SOx), unburned or partially combusted hydrocarbons (also known as volatile organic compounds, or VOCs), particulates, and other trace compounds.

It means they're scientifically tested to meet some of the world's most rigorous emissions standards for chemical exposure and pollutants, such as volatile organic compounds (VOCs), formaldehyde and phthalates.

The American Lung Association recommends limiting your exposure to ammonia and chlorine bleach, as well as volatile organic compounds (VOCs), which can be released from different cleaning products, such as some air fresheners, dry cleaning chemicals, and oven cleaners.

Drones launch from a tower in the Amazon rainforest to map and monitor the unique chemical signals emitted by trees known as volatile organic compounds (VOCs).

In one on - going project, funded by Harvard University's Climate Change Solutions Fund (CCSF), Martin and his team are mapping and monitoring the unique chemical signals emitted by trees known as volatile organic compounds (VOCs).

(He will also track participants» exposure to indoor air pollutants, such as the volatile organic compounds emitted by paint and furniture.)

By using products bearing the GREENGUARD Children & SchoolsSM or GREENGUARD Gold Certification mark, parents, teachers and school officials can rest easy knowing these products have been independently tested and verified to meet strict emission levels of pollutants, such as volatile organic compounds (VOCs), formaldehyde and phthalates.

As a volatile organic compound (VOC) emitted from building materials, furniture, paint, carpet and the like, propylene glycol can aggravate the immune system.

Not exact matches

The role of skin absorption as a route of exposure for volatile organic compounds (VOCs) in drinking water.

The most common blowing agents today are volatile organic compounds (VOCs) such as pentane.

As contaminated pathogenic air is processed through a patented bio-conversion reactor bed, this green technology, integrated with Photocatalytic Oxidation (PCO), works in unison to destroy harmful airborne microbes and dismantle volatile organic compounds (VOC) while producing no by - products.

iBaby Air is an indoor smart Wi - Fi air quality monitor and ion purifier that detects volatile organic compounds (VOCs) such as carbon monoxide, alcohol, and eight other elements.

iBaby Air is an indoor smart Wi - Fi air quality monitor and ion purifier that detects volatile organic compounds (VOCs) such as carbon monoxide, alcohol, and eighteen other elements.

These volatile organic compounds (VOCs) evaporate into the air, causing chemical fumes that can irritate eyes, nose, and throat as well as trigger headaches.

Try to aim for healthy alternatives, such as low - VOC (volatile organic compounds) paint, organic materials, and low - allergen options, such as cotton or bamboo.

Researchers tested the the foam padding in crib mattresses, and found they release significant amounts of volatile organic compounds (VOCs), potentially harmful chemicals also found in household items such as cleaners and scented sprays.

In fact, the E.P.A. says the lake that Martens bobbed around in for about ten minutes while wearing a life jacket contains the following substances: «mercury, polychlorinated biphenyls (PCBs); pesticides; creosotes; heavy metals including lead, cobalt, and mercury; polycyclic aromatic hydrocarbons (PAHs); and volatile organic compounds (VOCs) such as chlorobenzene.»

These mixtures have recently emerged as a greener alternative to many of the liquids that are often used to absorb volatile organic compounds.

By measuring the concentration of these microRNAs as well as the number of regulatory T cells in maternal and cord blood it could be shown that a high exposure to inhaled volatile organic compounds (VOCs) associated with tobacco smoke coincides with high values for miR - 223.

«Volatile organic compounds are created by physiological processes of the human body's metabolism and are expelled as waste through faeces.

Most car - detailing services continue to employ environmentally harmful products such as ammonia, volatile organic compounds and other chemical - based treatments that off - gas harsh pollutants inside the car as well as harm waterways when they are washed down storm drains

With many sources of pollution in some parts of the world, however, air pollution also can contain a mix of hazardous gaseous molecules, such as carbon monoxide, formaldehyde, sulfur dioxide and other volatile organic compounds.

As paper decomposes, it emits a blend of volatile organic compounds that our noses recognize as the familiar old book smelAs paper decomposes, it emits a blend of volatile organic compounds that our noses recognize as the familiar old book smelas the familiar old book smell.

The presence of these so - called herbivore - induced volatile organic compounds can make the plant less attractive to pollinators, which can reduce pollen deposition and negatively affect individual plants, an effect known as herbivore - induced pollinator limitation.

As a result, this group succeeded in isolating ORs which respond to three types of volatile organic compounds (2 - pentanone, pyridine, 2 - butanone) respectively in urine samples from lung cancer patients.

Volatile organic compounds, carbon monoxide, and nitrogen oxides from Asian cars and industry mix in the atmosphere as they cross the Pacific Ocean and convert in sunlight into ozone, a main ingredient in smog, Jaffe explains.

Air monitoring by researchers in 2000 found levels of volatile organic compounds — highly reactive ozone precursors such as benzene, known as VOCs — were 10 to 100 times higher than what had previously been estimated.

Of course, the more we burn, the more we produce those man - made precursor pollutants, such as nitrous oxides and so - called volatile organic compounds.

BRUSSELS has taken a step closer to agreement over a directive that will reduce emissions of volatile organic compounds, such as benzene.

(Industrial sectors such as oil and gas production don't emit ozone directly; rather, they emit compounds — such as nitrogen oxides and volatile organic compounds — that get converted to ozone in the atmosphere.)

In the new study, led by Purdue biochemist Natalia Dudareva, the team looked for genetic changes as the plant developed from its budding stage, which had the lowest levels of volatile organic compounds, to its flower - opening stage, with the highest levels.

An evaluation test with total volatile organic compounds (TVOC), such as acetaldehyde, nicotine and tar, which account for the largest volume of gaseous materials in cigarette smoke, is conducted to evaluate the performance of the newly - developed catalyst.

This includes the role of oxidized volatile organic compounds, such as limonene and alpha - pinene, the typical scents of the citrus fruits and coniferous forests, in aerosol formation.

In the second scenario, Pfister and her colleagues found that sharp reductions in nitrogen oxides and volatile organic compounds could reduce ozone pollution even as the climate warms.

As crude oil burns it releases many toxic chemicals, including lead, carbon monoxide, polycyclic aromatic hydrocarbons and volatile organic compounds, says Bin Jalaludin at the University of New South Wales in Australia.

In August, the EPA issued rules to limit air pollution by volatile organic compounds from «fracking» which should, as a by - product, also reduce emissions of methane.

The specialized instruments onboard the aircraft sampled the plume for aerosol particle size distribution and composition as well as concentrations of pollutant gases such as sulfur dioxide, nitric oxide, nitrogen dioxide, ozone, and volatile organic compounds (VOCs).

Both are pollutants, but the first is dominated by sulphate emissions from coal burning power plants, the second from ozone precursors such as NOx, volatile organic compounds, and carbon monoxide mainly emitted from vehicles.

Researchers in the US have developed an optimized solid - phase microextraction method for extracting volatile organic compounds from cells infected with viruses, as a way of diagnosing viral diseases.

New volatile organic compounds used in construction and industry have now been recognised, along with other agents, such as sulphites, chlorates, isocyanates and many other chemicals already known to be potentially toxic, as causes of chronic asthma.

High levels of methane leakage from fracking have been found [163], as well as nitrogen oxides and volatile organic compounds [159].

If you purchase a Multi-Pure 750 plus RO water filter, it can reduce the fluoride and chlorine, as well as some other toxic metals, volatile organic compounds, some pesticides in your tap water.

Volatile organic compounds (VOCs): chemicals that are released into the air as gases.

The role of skin absorption as a route of exposure for volatile organic compounds (VOCs) in drinking water.

They go on to say, «The manufacture of polyester and other synthetic fabrics is an energy - intensive process requiring large amounts of crude oil and releasing emissions including volatile organic compounds, particulate matter, and acid gases such as hydrogen chloride, all of which can cause or aggravate respiratory disease.»

Volatile organic compounds, referred to as VOCs, are characterized as any compounds of carbon, excluding carbon monoxide, carbon dioxide, carbonic acid, metallic carbides or carbonates, and ammonium carbonate that participate in atmospheric photochemical reactions.

«If we eliminate plastic - part painting inside cars, there is the environmental benefit of eliminating (volatile organic compounds),» says Mulholland, adding the new - car smell Americans traditionally have liked is the result of off - gassing from formaldehyde, ethylbenzene and xylene from painted parts as well as carpet, seat fabric and seat foam.