Sentences with phrase «volatile organic compounds]»

The substitution of hydropower with natural gas also released substantial quantities of harmful pollutants, including nitrous oxides, volatile organic compounds, and particulates.
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.»
And in every case, it was determined that using these sources to create electricity for PHEVs was more efficient and created less total greenhouse gases (GHGs), volatile organic compounds (VOC), carbon monoxide (CO), nitrogen oxides (NOx), fine particulate (PM2.5) and sulfur oxides (SOx).
On top of that there's the methane and the volatile organic compounds that are unavoidably released from relatively uncontrolled combustion of solid biomass fuels — small quantities but high global warming indexes.
Kim M. J., G. A. Novak, M. C. Zoerb, M. Yang, B. W. Blomquist, B. J. Huebert, C. D. Cappa and T. H. Bertram (April 2017): Air - Sea exchange of biogenic volatile organic compounds and the impact on aerosol particle size distributions.
In addition, the introduction of volatile organic compounds (VOCs) and other contaminants to the site can degrade the building's indoor environmental quality before occupancy begins.
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.
But according to this research, breathing in air with lower levels of volatile organic compounds and carbon dioxide will make your brain work better.
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.
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.
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.
The successful candidate will study secondary organic aerosol (SOA) formation from the oxidation of biogenic volatile organic compounds (VOCs).
The material could also serve to separate volatile organic compounds, and store hydrogen gas.
Organic aerosols that are directly injected in the atmosphere in the particulate phase are called primary organic aerosols (POA), while those that are created by the oxidation of volatile organic compounds are known as secondary organic aerosols (SOA).
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.
High levels of methane leakage from fracking have been found [163], as well as nitrogen oxides and volatile organic compounds [159].
The Environmental Partnership's first initiative is focused on furthering action to reduce air emissions, including methane and volatile organic compounds, associated with natural gas and oil production.
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.
Aerosol «blue haze», as seen here in the Great Smoky Mountains in North Carolina, is formed by the oxidation of volatile organic compounds emitted by trees.
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.
Volatile organic compounds or VOCs are produced from solids and liquids in the form of a gas.
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.
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.
Presently, the natural gas industry does not have to disclose the chemicals used, but scientists have identified volatile organic compounds (VOCs) such as benzene, toluene, ethylbenzene and xylene.»
The air pollutants include sulfur dioxide (SO2), nitrogen oxides (NOx), volatile organic compounds (VOC), carbon monoxide (CO), organic carbon (OC), black carbon (BC), and ammonia (NH3).
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.
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).
An increase of between 28,000 and 97,000 tons of volatile organic compounds plus oxides of nitrogen (VOC + NOx).
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.
At the Earth's surface, we humans help create ozone, by providing the precursors like nitrogen oxides and volatile organic compounds, also called VOCs.
Rob Virtue — The Express (UK)-- October 2, 2015 Research has identified a natural system where volatile organic compounds (VOC) are emitted into the air from the sea.
The new standards would reduce the volatile organic compounds and nitrogen oxides that lead to smog by 80 %, reduce particulate matter by 70 % and reduce fuel vapor emissions almost entirely.
Gaseous pollutants that contribute to the formation of ABCs are NOx (nitrogen oxides), SOx (sulfur oxides), VOCs (volatile organic compounds), CO (carbon monoxide), CH4 (methane), and O3 (ozone).
Revisions to the regulations for ozone - depleting substances, volatile organic compounds, shipboard incineration, reception facilities and fuel oil quality were also made with regulations on fuel oil availability added.
Air Pollution sulphur dioxide, nitrous oxides, methane, particulate and volatile organic compounds.
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.
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.
This means introducing customers to higher efficiency appliances, compact fluorescent light bulbs, water conserving toilets, low VOC (volatile organic compounds) paint and other eco-friendly products.
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.
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
Concerning causes, we find that the importance of biogenic volatile organic compounds (BVOCs) in NPF and CCN formation is greater than previously thought.
Description of the analysis of a wide range of volatile organic compounds in whole air samples collected during PEM - tropics A and B
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.
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).
After discussing the «carbon monoxide, methanol, toluene, and volatile organic compounds» emitted by ethanol plants, the article addressed the issue of pollution caused by corn farming:
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.
Concentrations of 54 volatile organic compounds (VOCs) and ventilation rates were measured in four new manufactured houses over 2 - to - 9.5 months following installation and in seven new site - built houses 1 - to - 2 months after completion.
Furniture (especially particle board), carpeting, and paint are common sources of volatile organic compounds (VOCs), a family of chemicals that are frequently «offgassed.»
They're volatile organic compounds, or VOCs, a
Lovett said false monitoring logs also were created for the plant's scrubbers, which remove volatile organic compounds.»
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