Chemical Compound: A distinct and pure substance formed by the union or two or more elements in definite proportion by weight.
Chemical Element: A fundamental substance comprising one kind of atom; the simplest form of matter.
Chemical compounds used in anti-foulant paints to protect the hulls of boats and ships, buoys, and pilings from marine organisms such as barnacles.
Source: Terms of the Environment
...
Chemical compounds, such as carbon monoxide (CO), methane (CH4), NMVOCs and nitrogen oxide (NOx), which in the presence of solar radiation react with other chemical compounds to form ozone, mainly in the troposphere.
Definition source
EEA Ozone web ...
Chemical compounds related to carbon dioxide.
Carbonate hardness
Hardness of water caused by carbonate and bicarbonate by-products of calcium and magnesium.
chemical compound that has the same number, and kinds of atoms as another compound, but a different structural arrangement of the atoms.
- J -
jackson turbidity unit (JTU) ...
Chemical compounds, such as carbon monoxide, methane, non-methane hydrocarbons, and nitrogen oxides, which in the presence of solar radiation react with other chemical compounds to form ozone, mainly in the troposphere.
Palustrine ...
chemical compounds (usually organic) containing nitrogen
in combined forms. Proteins and nitrates are nitrogenous
compounds.
Chemical compounds that consist entirely of carbon and hydrogen.
Hydrogen (H, H2) ...
Certain chemical compounds containing phosphorus. Phosphor-gypsum Piles (Stacks) Principal by-product generated in production of phosphoric acid from phosphate rock. These piles may generate radioactive radon gas.
Phosphorus ...
CFCs are chemical compounds which are reportedly one of the causes of the rapid depletion of the earth's ozone layer. CFCs are used in many ways, such as aerosol propellants, refrigerants, cleaning solvents and blowing agents.
Organotins- Chemical compounds used in anti-foulant paints to protect the hulls of boats and ships, buoys, and pilings from marine organisms such as barnacles.
Halons: Chemical compounds developed from hydrocarbons by replacing atoms of hydrogen with atoms of halogens, such as fluorine, chlorine, or bromine. CFCs are halons (see above). Halons are widely used as fire extinguishing agents.
Hydrocarbon: Chemical compounds composed only of carbon and hydrogen.
Hydrogen Peroxide: H2O2. Hydrogen peroxide is used to increase the dissolved oxygen content of groundwater to stimulate aerobic biodegradation of organic contaminants.
Carbonates Chemical compounds related to carbon dioxide.
Chelating agents Organic compounds that have the ability to draw ion from their water solutions into soluble complexes.
hydrocarbons Chemical compounds that consist entirely of carbon and hydrogen.
hydrochlorination The application of hypochlorite compounds to water for the purpose of disinfection.
Chlorofluorocarbons (CFCs): Stable, man-made chemical compounds containing carbon, chlorine, fluorine and sometimes hydrogen.
Scientists use the term organic to mean those chemical compounds which are based on carbon. Permeability The property of permitting liquids or gases to pass through. A highly permeable soil, such as sand, allows a liquid to pass through quickly.
The maximum concentration of a chemical compound which can result when it is dissolved in water. If a substance is water soluble, it can very readily disperse through the environment.
water storage pond.
Polychlorinated Biphenyls (PCBs) - A family of chemical compounds formed by the addition of chlorine to a biphenyl system (a dual-ring structure comprising two benzene rings linked by a single carbon-carbon bond).
Gibberellins are a large group of related chemical compounds (over 80 have been identified) with a wide range of effects.
emissions Materials (gases, particles, vapors, chemical compounds, etc.) that come out of smokestacks, chimneys, and tailpipes.
Ethanol: Ethyl alcohol is the chemical compound commonly known as ethanol and is the same type of alcohol found in alcoholic beverages. It is easy to manufacture and process and can be made from very common materials, such as sugar cane or corn.
A mass or concentration of a chemical compound such as calcium carbonate or iron oxide in the form of a grain or nodule of varying size, shape, hardness and color found in soil and in rock.
chlorofluorocarbons (CFCs) - stable, artificially-created chemical compounds containing carbon, chlorine, fluorine and sometimes hydrogen.
Sensations that arise when chemical compounds activate receptor mechanisms for other effectors, such as light, pain, pressure, and heat, in the eye, skin, nose, mouth and throat; e.g.
Phosphates - Certain chemical compounds containing phosphorus.
Phosphorus - An essential chemical food element that can contribute to the eutrophication of lakes and other water bodies.
synthetic chemicals: chemical compounds created in laboratories. There are two categories of synthetic chemicals: so-called "natural" ones made from organic material, and "artificial" ones made from inorganic compounds.
Indicator Compounds: Chemical compounds, such as carbon dioxide, whose presence at certain concentrations may be used to estimate certain building conditions (e.g., airflow, presence of sources).
Water solubility: The maximum possible concentration of a chemical compound dissolved in water.
Water storage pond: An impound for liquid wastes designed to accomplish some degree of biochemical treatment.
Chemical: Any element, chemical compound or mixture of elements obtained by a chemical process or used for producing a chemical effect.
Small molecule: Low-molecular-weight chemical compound. Many pharmaceutical drugs are small molecules.
Subcutaneous: Located / placed just beneath the skin.
Cyanides
toxic inorganic chemical compounds containing cyanide (-CN) groups and classed as special waste ...
Air quality decreases during times of hot temperatures because the heat and sunlight essentially cook the air along with all the chemical compounds lingering within it.
The maximum possible concentration of a chemical compound dissolved in water. If a substance is water soluble it can very readily disperse through the environment.
Water Storage Pond ...
It is used to mark chemical compounds so that the structure or chemical activity can be determined. Also used in nuclear weapons research and construction.
V
VOC. Volatile organic compound. A chemical compound which evaporates readily at room temperature and contains carbon.
Return to top of page ...
Organic Compounds: A large group of chemical compounds containing mainly carbon, hydrogen, nitrogen, and oxygen. All living organisms are made up of organic compounds.
volatile organic compound One of several organic chemical compounds characterized by its ability to evaporate readily at normal temperatures. Includes various industrial solvents and degreasers such as TCE, PCE, and carbon tetrachloride.
hypochlorite (Hi-poe-KLOR-ite). Chemical compounds containing available chlorine; used for disinfection. They are available as liquids (bleach) or solids (powder, granules and pellets). Salts of hypochlorous acid.
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) ...
Metabolite: Any substance produced in or by biological processes. Meta means chemical compound, metabole means change.
Organic - Generally considered as originating from plants or animals, and made primarily of carbon and hydrogen. Scientists use the term organic to mean those chemical compounds which are based on carbon.
especially in animal respiration and in the decay or combustion of animal and vegetable matter, is absorbed from the air by plants in photosynthesis, and is used in the carbonation of beverages. CO2 is one of the greenhouse gas chemical compounds.
 See also: Air, Water, Organic, Environment, Soil
|
