Sentences with phrase «volatile organic compounds in»

It reveals dangerous levels of radon, carbon dioxide, and volatile organic compounds in a space.
It improves your comfort level by smartly analyzing the presence of volatile organic compounds in the atmosphere.
Alternet recently covered the subject, discussing an Archer Midland Daniels plant's effect on the environment: «A single ADM corn processing plant in Clinton, Iowa generated nearly 20,000 tons of pollutants including sulfur dioxide, nitrogen oxides, and volatile organic compounds in 2004, according to federal records.
The PTR - MS allows many volatile organic compounds in ambient air to be detected at levels from 10 — 100 parts per trillion by volume (pptv).
Description of the analysis of a wide range of volatile organic compounds in whole air samples collected during PEM - tropics A and B
The primary objective of this project was to examine the potential association between reproductive success and cumulative chronic exposure to sulfur dioxide, hydrogen sulfide, and volatile organic compounds in beef herds.
The report examined the levels of volatile organic compounds in a school and nine other buildings.
Safe, clean, toxin - free space with low VOC materials (that means fewer volatile organic compounds in the air)
«We managed to present the first molecular evidence of a direct and ubiquitous source of ELVOCs arising from the oxidation of monoterpenes and other volatile organic compounds in the gas phase.»
Since 2006, he has worked with NOAA's air sampling system that uses glass flasks to collect atmospheric samples from 44 different sites around the world to track the annual increase of ethane and other so - called volatile organic compounds in the air.
Tomato plants produce repellent chemicals called volatile organic compounds in response to herbivore attacks.

Not exact matches

The role of skin absorption as a route of exposure for volatile organic compounds (VOCs) in drinking water.
That's because it contains a variety of organic sulfur compounds in a volatile oil, which provide certain health benefits.
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.
«Garden equipment engines 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 many metropolitan areas like Los Angeles.
A study published in the Archives of Environmental Health in 1999, found that disposable diapers release chemicals called volatile organic compounds (VOCs), including toluene, ethylbenzene, xylene and dipentene.
Greenguard is a third - party independent organization that rates products in regards to indoor air quality and levels of volatile organic compounds.
If you just buy two or three fitted sheets and invest in a sturdy crib, a high - quality mattress, and low - VOC (volatile organic compounds) paint for the nursery, you'll be on your way toward creating an attractive room that's safe for your baby.
If this fit your situation, look for crib mattresses that are GREENGUARD certified — this is an independent third - party test standard for mattresses that are low in VOC's (volatile organic compounds).
However, the volatile organic compounds (VOCs) in the adhesive were not good for the environment, or for the workers making the fabric.
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.
The well - drilling unit played a key role in the county's groundwater investigation that forced the U.S. Navy to step up efforts to clean up a groundwater plume contaminated with high concentrations of «volatile organic compounds» beneath the former Grumman weapons facility in Calverton.
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.&raquIn 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.&raquin 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.»
Harmful gaseous pollutants in the form of volatile organic compounds are often released into the air when chemicals are used, for example in cleaning products.
They have studied comets» volatile organic compounds, planets orbiting other stars and the black holes in the Milky Way and other galaxies.
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.
The new study, also published in the Feb. 16 Science, focused on volatile organic compounds, or VOCs, that are derived from petroleum.
The team traced the molecules found in these air samples to their original sources using databases that show the specific volatile organic compounds released by specific products.
The ATSDR, in consultation with the EPA, advised at least 19 families in Pavillion not to drink their water and to ventilate bathrooms when they bathed, in part because volatile organic compounds can become airborne in a shower.
In a new study published in the Proceedings of the National Academy of Sciences (PNAS), researchers from Innsbruck, Austria, present the world's first chemical fingerprint of urban emission sources of volatile organic compounds (VOCsIn a new study published in the Proceedings of the National Academy of Sciences (PNAS), researchers from Innsbruck, Austria, present the world's first chemical fingerprint of urban emission sources of volatile organic compounds (VOCsin the Proceedings of the National Academy of Sciences (PNAS), researchers from Innsbruck, Austria, present the world's first chemical fingerprint of urban emission sources of volatile organic compounds (VOCs).
A group of researchers at Osaka University, succeeded in producing nanostructured gas sensor devices for detecting volatile organic compounds (VOC) in breath for the purpose of healthcare in time equivalent to or shorter than one tenth of the time required for manufacturing conventional gas sensors.
at The Institute of Scientific and Industrial Research, Osaka University, succeeded in producing nanostructured gas sensor devices for detecting volatile organic compounds (VOC) in breath for the purpose of healthcare in time equivalent to or shorter than one tenth of the time required for manufacturing conventional gas sensors.
The city authorities in Vienna hope this will reduce the emissions of volatile organic compounds from vehicles from 60 to 45 tonnes a day.
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.
If you've ever set foot in a nail salon, you've probably smelled volatile organic compounds, chemicals that dissipate rapidly into the surrounding air like acetone and formaldehyde.
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.
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.
(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.)
The study concerns the most abundant class of carbon - based particles in the atmosphere, so - called volatile organic compounds (VOCs).
The study will involve doing an analysis not only of benzene biomarkers and other volatile organic compounds, but also of certain heavy metals in urine and hair samples.
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.
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 warmIn 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 warmin nitrogen oxides and volatile organic compounds could reduce ozone pollution even as the climate warms.
In one, emissions of nitrogen oxides and volatile organic compounds from human activities would continue at current levels through 2050.
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.
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