Sentences with phrase «emissions of organic compounds»

These studies concluded that emissions of organic compounds like dioxins and furans from well - operated dry cement kilns were of less than one part per billion in the air, and also ascertained that co-processing of waste in cement kilns did not lead to increased emissions of hazardous organic compounds.
Higher temperatures can also increase the emissions of organic compounds from trees, which can then react in the atmosphere to form ozone and particulate matter.

Not exact matches

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.
Emissions of non-methane volatile organic compounds have fallen by 71 per cent between 1990 and 2010, and fell by 4 per cent between 2009 and 2010.
The EU National Emission Ceilings Directive sets ceilings for each Member State for emissions of ammonia, oxides of nitrogen, sulphur dioxide and volatile organic compounds (VOCs).
«The deposition of compounds such as sugars and organic acids from living roots can increase the activity of bacteria and fungi, and it's this increase in activity that accelerates the decomposition of carbon in the soil, leading to higher CO2 emissions,» Sulman said.
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 (VOCs).
The city authorities in Vienna hope this will reduce the emissions of volatile organic compounds from vehicles from 60 to 45 tonnes a day.
Much of this haze is formed from volatile organic compounds, or VOCs, and fine particulate matter from tailpipe emissions.
BRUSSELS has taken a step closer to agreement over a directive that will reduce emissions of volatile organic compounds, such as benzene.
In one, emissions of nitrogen oxides and volatile organic compounds from human activities would continue at current levels through 2050.
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.
Analyses of the ground and aircraft data performed by Setyan et al. (2012), Shilling et al. (2013), and Kleinman et al. (2016) showed that organic aerosol production increased when human - caused emissions from Sacramento mixed with air rich in isoprene, an organic compound wafting from many plants that originate in the area's foothills.
This session solicits presentations examining all aspects of air emissions and / or air quality or climate impacts of methane, volatile organic compounds, and nitrogen oxides from all stages of oil and gas development.
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.»
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.
Marilyn Black, founder of the Greenguard Environmental Institute (GEI)-- a nonprofit certifier of products with low emissions of volatile organic compounds (VOCs)-- knows the pitfalls all too well: «The most common mistake we see is the purchasing of products made solely on manufacturers» claims.
Make your own cleaning supplies Did you know that cleaning products are the cause of 8 % of non-vehicular emissions of volatile organic compounds?
The standards we recommend in this report would also significantly reduce emissions of other air pollutants, specifically smog - forming volatile organic compounds and toxic pollutants like benzene that cause cancer and are associated with a host of other health problems.
Various Updates In a move that environmental campaigners had sought for years (as had I), the Environmental Protection Agency has issued final rules that could substantially cut emissions of heat - trapping methane, smog - forming volatile organic compounds and toxic air pollutants such as benzene from new, rebuilt or modified oil and gas wells and other infrastructure and operations.
RCP4.5 considered the influences of a broader set of anthropogenic emissions including CO2, CH4, N2O, HFCs, PFCs, and SF6, but also chemically active gases such as carbon monoxide (CO) and volatile organic compounds (VOCs).
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.
Healthfulness of an interior environment; IAQ is affected by such factors as moisture and mold, emissions of volatile organic compounds from paints and finishes, formaldehyde emissions from cabinets, and ventilation effectiveness.
API reiterated its support for cost - effective regulation that target emissions of volatile organic compounds — which provide the co-benefit of methane emissions reductions — from natural gas operations.
These NCA emissions directly affect particle concentrations and human exposure to nanosized aerosol in urban areas, and potentially may act as nanosized condensation nuclei for the condensation of atmospheric low - volatile organic compounds.
Automobile exhaust and industrial emissions release a family of nitrogen oxide gases (NOx) and volatile organic compounds (VOC), by - products of burning gasoline and coal.
Oil and gas standards: In April 2012, U.S. EPA finalized air pollution standards for the oil and gas industry that would capture up to 95 % of volatile organic compounds from new hydraulically fractured wells each year and in the process also reduce methane emissions.
Focused initially on reducing methane and volatile organic compound (VOC) emissions, the Environmental Partnership includes 26 natural gas and oil producers, who produce a significant portion of American energy resources.
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.
A research team including Riikka Rinnan and Magnus Kramshøj from the Center for Permafrost at the University of Copehagen, Denmark recently conducted studies to assess the Volatile organic compounds (VOC) emission response of vegetation to warming temperatures in the Arctic.
Existing sites would be covered partially by an EPA measure requiring energy companies to eliminate emissions of volatile organic compounds, or VOCs, in areas that exceed federal limits for smog.
State Agencies Must Purchase or Lease Vehicles That Use Alternative Fuels Louisiana's Advanced Biofuel Industry Development Initiative further states, «The commissioner of administration shall not purchase or lease any motor vehicle for use by any state agency unless that vehicle is capable of and equipped for using an alternative fuel that results in lower emissions of oxides of nitrogen, volatile organic compounds, carbon monoxide, or particulates or any combination thereof that meet or exceed federal Clean Air Act standards.»
The considered emissions of biogenic non-methane volatile organic compounds (VOC) are driven by temperature, light and vegetation.
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).
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).
Results indicate that when the ethanol content of the fuel increased, the emissions of gaseous organic compounds increased whereas the amount of aromatic compounds such as benzene and toluene decreased.
Pick the Right Paint According to the Environmental Protection Agency (EPA), paint, wood stain and other varieties of coatings account for about 9 percent of volatile organic compounds (VOC) emissions in the country every year.
Paints that are labelled «eco friendly» or «low emission» have a lower than normal concentration of volatile organic compounds (VOCs).
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