Volatile Organic Compounds
Volatile organic compounds (VOCs) are organic chemical compounds that have a high vapor pressure and low water solubility.
Volatile Synthetic Organic Chemicals
Chemicals that tend to volatilize or evaporate.
Source: Terms of the Environment ...
Volatile Organic Compound: Any organic compound which evaporates readily to the atmosphere. VOCs contribute significantly to photochemical smog production and certain health problems.
Volatile organic compounds (VOCs) - Organic chemicals containing carbon, oxygen, hydrogen, chlorine, and other atoms. Volatile chemicals produce vapors readily.
Volatile Organic Compounds (VOC) - Organic compounds that evaporate at room temperatures and are often hazardous to human health, causing poor indoor air quality. Sources of VOC's include solvents and paints.
Volatile Organic Compounds (VOCs): compounds that vaporize easily and have low water solubility that are often human-made chemicals used and produced in the manufacture of paints, pharmaceuticals, ...
Volatile Organic Compound (VOC)
Any organic compound that participates in atmospheric photochemical reactions except those designated by EPA as having negligible photochemical reactivity.
Volatile Solids ...
Volatile Solids: Those solids in water or other liquids that are lost on ignition of the dry solids at 550° centigrade.
Volatile Synthetic Organic Chemicals: Chemicals that tend to volatilize or evaporate.
volatile organic chemicals (VOC)
Any organic compound having, at 293.15 K, a vapor pressure of 0.01 kPa or more, or having a corresponding volatility under the particular condition of use.
[15]
vulnerable
See susceptible ...
Volatile: Any substance that evaporates readily.
Volatile Liquids: Liquids which easily vaporize or evaporate at room temperature.
Volatile organic compounds (VOCs)
substances such as solvents that are liquid at room temperature, but vaporise significantly and take part in the generation of ozone pollution in the lower atmosphere ...
volatile matter See volatile solids.
volatile organic carbon (VOC) Any organic compound that participates in atmospheric photochemical reactions except for those designated by the EPA Administrator as having negligible photochemical ...
Volatile organic compounds Any compound of carbon, excluding carbon monoxide, carbon dioxide, carbonic acid, metallic carbides or carbonates, and ammonium carbonate, that participates in reactions of radiant energy, especially light, ...
Volatile Organic Compound (VOC) - Organic substances capable of entering the gas phase from either a liquid or solid form.
[Top]
W
...
Volatile organic compounds (VOCs)
Organic compounds that evaporate readily into the air. VOCs include substances such as benzene, toluene, methylene chloride, and methyl chloroform.
volatile organic compound: a chemical that can vapourise and enter the atmosphere under normal conditions. Trees are the major outdoor source of VOCs.
Volatile Organic Compounds (VOCs): Compounds that evaporate from the many housekeeping, maintenance, and building products made with organic chemicals. These compounds are released from products that are being used and that are in storage.
Volatile organic compounds (VOCs)
Substances containing carbon and different proportions of other elements such as hydrogen, oxygen, fluorine, chlorine, bromine, sulfur, or nitrogen; these substances easily become vapors or gases.
volatile organic compound (VOC) = chemical compound based on carbon chains or rings with a vapour pressure of more than 2mm of mercury (0.27 kPa) at 25°C (NPI) ...
Volatile organic compounds (VOCs)
Organic liquids, including many common solvents, which readily evaporate at temperatures normally found at ground surface and at shallow depths.
Volatile organic compound (VOC) The environmental or legislated definition: Constituents that will evaporate at their temperature of use and which, by a photochemical reaction, ...
Volatile: Any substance that evaporates readily.
Volatile Organic Compounds (VOCs): Carbon-containing compounds that evaporate into the air (with a few exceptions). VOCs contribute to the formation of smog and / or may themselves be toxic.
volatile. Readily vaporizable at a relatively low temperature.
volatile acids. Acids produced during digestion. Fatty acids which are soluble in water and can be steam-distilled at atmospheric pressure. Also called "organic acids.
volatile acids : Acids produced during digestion. Fatty acids which are soluble in water and can be steam-distilled at atmospheric pressure. Also called "organic acids." Volatile acids are commonly reported as equivalent to acetic acid.
Semivolatile Organic Compounds: Organic compounds that volatilize slowly at standard temperature (20 degrees C and 1 atm pressure).
VOC (volatile organic compound): The term used to describe the organic gases and vapours that are present in the air. They are believed to be involved in ground-level ozone formation. Some VOCs are toxic air pollutants.
Volatile Organic Compounds (VOCs): VOCs are manufactured as secondary petrochemicals. They include light alcohol's, acetone, trichloroethylene, perchloroethylene, dichloroethylene, benzene, vinyl chloride, toluene and methylene chloride.
Volatile
Any substance which evaporates quickly.
Water Quality Standard (WQS)
The combination of a designated use and the maximum concentration of a pollutant which will protect that use for any given body of water.
Volatile organic compound (VOC) - An organic chemical that evaporates readily. Petroleum products such as kerosene, gasoline and mineral spirits contain VOCs.
Volatile A material which will vaporize easily.
Volatile solids (VS) is the amount of matter which volatilizes (or burns) when a water sample is heated to 550EC.
Volatile Organic Compound. Synthetic organic compounds which easily vaporize and are often carcinogenic.
Wastewater
The spent or used water from a home, community, farm, or industry that contains dissolved or suspended matter.
VOC (See volatile organic compound (VOC))
virtual library of environmental information
value added tax ...
VOC: Volatile organic compounds. VOC's are toxins commonly found in conventional paints, sealers, and finishes. VOC's off-gas into the air and are not good to people or to the environment.
See Semi-Volatile Organic Compound (SVOC).
Base Realignment And Closure (BRAC) ...
VOCs or "volatile organic compounds" VOCs are primarily the lighter 'fractions' of oil or hydrocarbons (i.e., the parts that evaporate easily because they have a low boiling point).
Diesel non-volatile mineral fuel with a high flash point used in compression ignition engines, as invented by Dr Rudolf Diesel in 1895, originally running on peanut oil.
V
VOC. Volatile organic compound. A chemical compound which evaporates readily at room temperature and contains carbon.
Return to top of page ...
A coating whose volatile organic compound content does not exceed that allowed by regulation.
Compliance Cycle ...
Some of these categories are solids, sulfur compounds, volatile organic chemicals, particulate matter, nitrogen compounds, oxygen compounds, halogen compounds, radioactive compounds and odors.
Volatile Evaporating readily at normal temperatures and pressures. The air concentration of a highly volatile chemical can increase quickly in a closed room. Volatile organic compound (VOC) An organic chemical that evaporates readily.
A method of treating water to remove volatile organic chemical (VOCs) contaminants. As water is mixed with air, VOCs move from water to air which then passes through carbon filters to trap the contaminants.
palatable (PAL-a-ta-ble).
One is granular charcoal which is not very effective for removing many contaminants such has mercury, volatile organic chemicals (this is the most prevalent contaminant found in drinking water and is also not removed by reverse osmosis or ...
Low VOC Materials - VOC’s, or Volatile Organic Compounds, are chemicals which evaporate into the air during the curing or, in some cases, throughout the life of the material.
Isoprene - C5H5, a colorless volatile liquid which is insoluble in water, soluble in alcohol, and very reactive because of its low vapor pressure and double bonds.
air stripping A treatment process used to remove dissolved gases and volatile substances from water, accomplished by bubbling air through the water.
VOC Paints and Products: Volatile Organic Compounds (VOC) are found in many paints and other products. VOCs are emitted as gases from certain room temperature solids and liquids.
When gasoline and coal are burned, nitrogen oxide gases (NOx) and volatile organic compounds (VOC) are released into the air.
Purgeable organics: Volatile organic chemicals which can be forced out of the water sample with relative ease through purging.
Putrefaction: Biological decomposition of organic matter; associated with anaerobic conditions.
Catalytic Incinerator: A control device that oxidizes volatile organic compounds (VOCs) by using a catalyst to promote the combustion process.
Air Stripping: A treatment system that removes volatile organic compounds (VOCs) from contaminated ground water or surface water by forcing an airstream through the water and causing the compounds to evaporate.
Organic Compound: any carbon-based substance, including some petroleum products, solvents, pesticides, and halomethanes. Volatile organic compounds (VOCs) are those which are readily vaporized; a number of these are known or probable carcinogens.
PVC-polyvinyl chloride is a polymer of vinyl chloride monomer. Vinyl chloride monomer is a volatile liquid. PVC is an essentially inert, rigid plastic material.
R ...
Typically consists of 50-60% methane (CH4), 30-40% carbon dioxide (CO2), 10% nitrogen (N2), small amounts of other volatile organic compounds (VOCs). Methane is a very potent greenhouse gas, 21 times more so than carbon dioxide.
It can damage trees and lead to acid rain, which can harm lakes and streams and also corrode exposed materials. In the presence of sunlight and volatile organic compounds, NO2 can contribute to the formation of ground-level ozone, or smog.
 See also: Organic, Water, Compounds, Air, Organic compound
|
