Sentences with phrase «volatile organic compounds which»

Not exact matches

That's because it contains a variety of organic sulfur compounds in a volatile oil, which provide certain health benefits.
Eleven percent said they mention volatile organic compounds, which are fumes emitted by gasoline, paints and solvents.
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.
Among biogenic volatile organic molecules is a class of compounds called monoterpenes, which react with ozone, hydroxyl radicals, nitrogen oxides, and other gases in the atmosphere.
Like vehicles and power plants, trees emit airborne chemicals called volatile organic compounds (VOCs), which in the presence of sunlight react with nitrogen oxides in vehicle fumes to form ozone, one of the components in smog that makes it a health threat.
Volatile organic compounds (VOCs)-- Organic compounds which typically have a boiling point less than or equal to 250 °C; for example chlorofluorocarbons (CFCs) and formaldehyde.
Researchers from UC Davis and the California Institute of Technology conducted a series of experiments in a 24 cubic meter environmental chamber using the volatile organic compound toluene, which is emitted from motor vehicles and is an important SOA precursor.
Plants get their scents from volatile organic compounds, which easily turn into gases at ambient temperatures.
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.
Ozone is produced by reactions involving nitrogen oxides (NOx), which come primarily from motor vehicle emissions, and volatile organic compounds resulting from industrial processes.
Plants emit more volatile organic compounds at higher temperatures, which can increase ozone formation if mixed with pollutants from human sources.
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.
In the new study, researchers identified six volatile organic compounds (VOCs) on dirty t - shirts and socks, some of which survive washing in a machine at 20 ˚C.
Dirty laundry smells bad because of certain chemicals called volatile organic compounds, which can't always be washed out on an eco-friendly 20 ˚C cycle, according to a new study in the Journal of Chromatography A.
The body emits volatile organic compounds based on metabolic condition, which can change when disease or infection is present.
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.
There are also PVC free shower curtains which won't stink up your bathroom for months with volatile organic compounds.
These may spew ozone and volatile organic compounds (VOCs), both of which can aggravate your airways.
«And certain carpet materials give off gaseous volatile organic compounds, or VOCs, which can cause headaches and respiratory problems for susceptible people.»
Lavender contains many organic compounds and active ingredients, most of which can be found in its volatile oil.
Benzene is a volatile organic compound, which can damage crops and is a proven carcinogen.
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.»
Avocado Green Mattresses are made with 100 % natural Dunlop latex rubber foam, which has been tested and certified by the eco-INSTITUT ® in Cologne, Germany, by our manufacturer to be free of volatile organic compounds, persistent organic compounds, heavy metals, pesticides, formaldehyde and phthalates.
The fuel, which supposedly produces less volatile organic compound (VOC) emissions than regular diesel fuel or ethanol, is being produced by RenTech in Rialto, California.
Keep in mind that most bamboo floors come from China and that the process to create bamboo floors uses a urea - formaldehyde (UF) adhesive and these UF resins emit volatile organic compounds (VOCs), which are harmful to air quality.
Many household cleaners contain contain hazardous ingredients such as organic solvents and petroleum based chemicals which can release volatile organic compounds into your indoor air.
Their paints have zero volatile organic compounds and they do not add toxic solvents such as formaldehyde or toluene to their paints, which can be released in the indoor air.
Scientists think that the good stuff partly comes from breathing phytoncides like α - pinene and limonene, which are antimicrobial volatile organic compounds emitted from trees.
Lovett said false monitoring logs also were created for the plant's scrubbers, which remove volatile organic compounds
Even some traditional cleaning chemicals are high in volatile organic compounds (VOCs) which, when evaporated in the confines of the nacelle or hub, can cause respiratory irritation and trigger asthmatic attacks.
Garden equipment engines, which have had unregulated emissions untill very recently, emit high levels of carbon monoxide, volatile organic compounds and nitrogen oxides, producing up to 5 % of the nation's air pollution and a good deal more in metropolitan areas.
7: Forests).18, 31,32,33,34,35 Long periods of record high temperatures are associated with droughts that contribute to dry conditions and drive wildfires in some areas.159 Wildfire smoke contains particulate matter, carbon monoxide, nitrogen oxides, and various volatile organic compounds (which are ozone precursors) 37and can significantly reduce air quality, both locally and in areas downwind of fires.38, 39,40,41,42
An international team of researchers report in Nature Communications that they made a computer model of the planet's atmospheric conditions: they included natural and human - triggered aerosols, volatile organic compounds, greenhouse gases and other factors that influence temperature, one of which is albedo: the scientist's word for the capacity of terrain to absorb or reflect solar radiation.
API reiterated its support for cost - effective regulation that target emissions of volatile organic compoundswhich provide the co-benefit of methane emissions reductions — from natural gas operations.
EPA, which recently realized the extent of that contamination is more far - reaching, encountered the carcinogenic volatile organic compound benzene when workers started that cleanup last July.
Other actions to reduce methane emissions: The U.S. EPA also has standards in place that limit the volatile organic compounds emitted from large landfills, which would also reduce landfill methane emissions as a co-benefit.
We expect that, after all the data and emissions trends are considered, EPA will develop a science - based, cost - effective path to target emissions of volatile organic compounds (VOCs), in which methane emissions reductions also are achieved.
Ozone is an odorless gas that is not directly emitted into the air but is created by chemical reactions between nitrogen oxides (NOx) and volatile organic compounds (VOC)-- which occur naturally but are also produced from the burning of fossil fuels and are released in the process of drilling for oil and natural gas.
Built into each i - BLADES Smartcase is an «EnviroSensor» that uses a Bosch BME 680 chemical gas sensor as its «nose» and allows for «fast and accurate» measuring of levels of volatile organic compounds (VOCs), temperature, humidity, and air pressure, which are displayed through an accompanying app.
Methane leaks are also often accompanied by toxic gases and volatile organic compounds, which can contribute to respiratory illnesses and other health problems.
In addition to methane emissions, natural gas sector operations and infrastructure represent a significant source of CO2; volatile organic compounds (VOCs), which are chemicals that contribute to ground - level ozone and smog; and hazardous air pollutants (HAPs).
In fact, some types of trees actively consume certain types of air pollution.Looking at oxygenated volatile organic compounds (oVOCs)-- which are emitted from both manmade and non-manmade sources and can have serious effects on the health of the environment and humans — the team found that deciduous plants take up oVOCs as much as four times more rapidly than previously thought.
But apparently it has modified composition which lessens VOCs (volatile organic compound) emissions, and has been cut such that it can be «readily disassembled and reused,» should Zero Waste SA relocate elsewhere or refurbish this office.
76 % of volatile organic compounds such as benzene, toluene, ethylbenzene and xylenes, some of which are known - carcinogens
But I still thought it was over-rated, and preferred spray foams, particularly icynene, which, also in Planet Green, I claimed was totally benign and had no volatile organic compounds.
# 7: S.E. Johnson, Racine, WI — «By using Greenlist, S.C. Johnson eliminated 1.8 million pounds of volatile organic compounds (VOCs) from Windex and four million pounds of polyvinylidene chloride (PVDC) from Saran Wrap, which is now PVDC - free.»
The tiny sensor, which packs the same design as the rest of the products in the Eve line, lets you keep tabs on temperature, humidity and air quality (by measuring volatile organic compounds).
This could be as small as freshening up the walls with zero - VOC paints (a volatile organic compound, which can compromise indoor air quality) or building a home from the ground up using only salvaged materials.
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