Characteristic (or Hazardous Waste Characteristic): Any one of the four categories used in defining hazardous waste: ignitability, corrosivity, reactivity, and toxicity.
Characteristics of Chromium
Chromium is odorless and tasteless. It occurs naturally in various types of rock, soil, ore and volcanic dust as well as in plants, animals and humans.
Characteristic Waste: Waste that is considered hazardous under RCRA because it exhibits any four different properties: ignitability, corrosivity, reactivity, and toxicity.
Characteristics of invaders and invaded systems
Introduction of new species in marine environments
Ballast water as a vehicle for invading species ...
Characteristic Curve: a) A curve to show the relation between two changing values b) Refers to one of a pair of conjugate curves in a surface, ...
Characteristically Hazardous Waste
Any waste that exhibits the characteristics of ignitability, corrosivity, reactivity and/or toxicity as defined by the U.S. EPA. These are often referred to as the "D" wastes.
Commercial Chemical Product ...
agrochemical. Synthetic chemicals (pesticide and fertilizers)
used in agricultural production.
Characteristics (e.g., race, sex, age, obesity) or variables (e.g., smoking, occupational expo- sure level) associated with increased probability of a toxic effect.
Risk for Non-Endangered Species ...
A characteristic which occurs mostly on proof coins as a result of a piece of lint on the die or planchet during the striking process. This lint creates an incused scratch-like mark on the coin.
A characteristic of acidic and basic hazardous wastes.
The characteristic is defined by a waste's pH and its ability to corrode steel. A waste is corrosive if it has a pH less than or equal to 2.0 or greater than or equal to 12.5.
The characteristics of the farm sector; most often used in describing changes in the number, size distribution, production traits, and business composition (i.e. type of ownership) of farms and agribusiness firms.
Definition source ...
The characteristics factoring into coin grade, such as bag marks, luster, strike quality, and "eye appeal".
AU (About Uncirculated)
The grade of a coin having very minimal wear, just one step below Uncirculated.
The characteristics, processes or reactions of a soil that are caused by physical forces, and are described by, or expressed in physical terms or equations.
The characteristic features of a red-brown earth include:
an A horizon which is grey-brown to red-brown loamy sand to sandy clay loam;
an A horizon which is weakly structured to massive;
an abrupt to clear boundary between the A and B horizons; ...
Species characteristic of or prevalent in a particular or restricted locality or region.
Provided as a public service by the U.S. Environmental Protection Agency. Reference list click here.
A measurable characteristic of ecological entity that can be related to an assessment endpoint; e.g.
Site and soil characteristics, combined with disturbances (human or natural) act to control the plant survival, health, density, and growth.
Hardness: characteristic of water which describes the presence of dissolved minerals.
Homosexuality: characteristic of roughly 10% of any population. Recent evidence suggests a genetic component.
Characteristic (e.g., race, sex, age, obesity) or variable (e.g., smoking, occupational exposure level) associated with increased probability of a toxic effect.(1)
The process of choosing a location for a facility.(1) ...
variable Any characteristic or attribute that can be measured.
variable charge The portion of a water bill that varies with water usage; also known as a commodity charge.
Impermeable: Characteristic of geologic materials that limit their ability to transmit significant quantities of water under the head differences normally found in the subsurface environment.
Monitor: To track a characteristic, such as dissolved oxygen, nitrate level, or fish population, over a period of time using uniform methods to evaluate change.
Possesses at least one of four characteristics (ignitability, corrosivity, reactivity, or toxicity), or appears on special EPA lists.
Horizon, soil - a layer of soil, approximately parallel to the surface, having distinct characteristics produced by soil-forming
processes. In the identification of soil horizons, an uppercase letter represents the major horizons.
Patterns of climate variability Natural variability of the climate system, in particular on seasonal and longer time scales, predominantly occurs with preferred spatial patterns and time scales, through the dynamical characteristics of the ...
The prefix 'ab-' emphasizes that the heritable characteristics of an organism are consequences of the past and not anticipation of the present or future.
[1, 24] cline A pattern of gradual change in a characteristic of an organism over a geographic region.  clone A genetically identical copy of an individual.
airmass A widespread body of in the atmosphere that gains certain meteorological or polluted characteristics while set in one location. The characteristics can change as it moves away.
Ecoregion Large areas of land ecologically defined by their biodiversity and general characteristics of their ecosystems.Ecosystem The interacting system of a biological community and its non-living environmental surroundings.
reach a large subdivision of a stream determined by a fairly uniform set of valley, channel, and land use characteristics. Each reach is composed of many smaller individual habitat units.
recharge when water enters the ground-water stores.
Fundamental discoveries in UV technology research coupled with practical applications are the characteristics of Dr. Linden' work. Dr.
In fact, the most important characteristic of a desert is that it receives very little rainfall. Most deserts receive less than 300 mm a year compared to rainforests, which receive over 2,000 mm.
GAC See granular activated carbon adsorption geological log A detailed description of all underground features discovered during the drilling of a well, including types of formations encountered and their physical characteristics.
Radiation has different characteristics depending upon the wavelength. Because the radiation from the Sun is relatively energetic, it has a short wavelength (ultra-violet, visible, and near infra-red).
Research design used to test etiological hypotheses in which inferences about exposure to the putative causal factor(s) are derived from data relating to characteristics of the persons or organisms under study or to events or experiences in their ...
Permit-Required Confined Space (Permit Space): A confined space that has one or more of the following characteristics: Contains or has a potential to contain a hazardous atmosphere (e.g.
EPA hazardous waste characteristic defined with a rigorous test procedure, the TCLP (for Toxicity Characteristic Leaching Procedure). In the procedure, a waste is extracted for 24 hours with an acetic acid solution.
This includes substances on the EU Hazardous Waste List and a has one of more of the following hazardous characteristics: explosive, oxidising, highly flammable, flammable, irritant, harmful, toxic, carcinogenic, corrosive, infectious, teratogenic, ...
commercial buildings, their energy-related building characteristics, and their energy consumption and expenditures.
Two main characteristics distinguish PDO from El Niño/Southern Oscillation (ENSO): first, 20th century PDO "events" persisted for 20-to-30 years, while typical ENSO events persisted for 6 to 18 months; second, ...
Ecological Indicator: A characteristic of an ecosystem that is related to, or derived from, a measure of biotic or abiotic variable, that can provide quantitative information on ecological structure and function.
Climate change: The slow variations of climatic characteristics over time at a given place.
Measure of Effect/ Measurement Endpoint: A measurable characteristic of ecological entity that can be related to an assessment endpoint; e.g.
The air surrounding the Earth, described as a series of layers of different characteristics.
Indicator- In biology, any biological entity or processes, or community whose characteristics show the presence of specific environmental conditions. 2.
Any genetically controlled structural, physiological, or behavioral characteristic that helps an organism survive and reproduce under a given set of environmental conditions. It usually results from a beneficial mutation.
Adaptation: a genetically determined characteristic that enhances the ability of an organism to cope with its environment; any alteration or response of an organism that favors survival in a changed environment.
Aerenchyma: air-space tissue ...
Registration The procedure by which an organization indicates relevant characteristics of a product, process or service, or particulars of an organization or person, and then includes or registers the product, process, ...
Molecule (n) - the smallest particle of a compound that contains all the characteristics of the compound.
Motting (adj) - marble-like pattern that occurs in soils where the water table fluctuates periodically.
A large area of air which has similar temperature and humidity characteristics.
The weight of the atmosphere pressing down on the Earth's surface as a result of gravity ...
Some familiar characteristics of the weather include wind, temperature, humidity, atmospheric pressure, cloudiness, and precipitation. Weather can change from hour to hour, day to day, and season to season.
A large volume of air with with similar temperature and moisture characteristics. Air masses cover many hundreds or thousands of square miles, and slowly change in accordance with the surface below them ...
phenotype: The expressed characteristics of an individual organism, due to genetic and environmental influences on the expression of its specific genetic information. See also genotype.
Any biological entity or process, or community whose characteristics show the presence of specific environmental conditions or pollutants.
Indicator organisms ...
Abiota - Those non-living factors which are present in and affect the characteristics of a given ecosystem.
Hydrogen Sulfide (H2S): A colorless, flammable, poisonous compound having a characteristic rotten-egg odor. It is used in industrial processes and may be emitted into the air.
It is responsible for the offgassing of several chemicals, including styrene and a related chemical known as 4 PC; they can be detected by that characteristic "new carpet smell" and make some people feel ill.
Thus, surfaces with a high albedo (e.g., snow and ice) generally contribute to cooling, whereas surfaces with a low albedo (e.g., forests) generally contribute to warming. Changes in land use that significantly alter the characteristics of land ...
Its hygroscopic (absorbs water) characteristic makes it very difficult to transport through existing fuel pipelines. It can only be used in engines that are specially equipped to handle it (Source: City of Austin, TX) ...
See also: Water, Environment, Condition, Air, Environmental