20 Terms
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Water
Water is a chemical compound with the chemical formula H20. A water molecule contains one hydrogen atom and two oxygen atoms. Water is a liquid at standard ambient temperature and pressure though it can be a solid (ice)in low temperatures or evaporate into water vapor a higher temperatures.
Industry: Natural environment
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Water
conditional registration
Natural environment; Water
Under special circumstances, the Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA) permits registration of pesticide products that is "conditional" upon the submission of additional data. ...
conductance
Natural environment; Water
A rapid method of estimating the dissolved solids content of water supply by determining the capacity of a water sample to carry an electrical current. Conductivity is a measure of the ability of a ...
characterization of exposure
Natural environment; Water
Portion of an ecological risk assessment that evaluates interaction of a stressor with one or more ecological entities.
chemical case
Natural environment; Water
For purposes of review and regulation, the grouping of chemically similar pesticide active ingredients (e.g. salts and esters of the same chemical) into chemical cases.
chemical compound
Natural environment; Water
A distinct and pure substance formed by the union or two or more elements in definite proportion by weight.
chemical element
Natural environment; Water
A fundamental substance comprising one kind of atom; the simplest form of matter.
chemical oxygen demand (cod)
Natural environment; Water
A measure of the oxygen required to oxidize all compounds, both organic and inorganic, in water.
