An undesirable substance from uranium processing activities that may affect human health and the environment. A federal, tribal, state, or local agency that participates in the preparation of an environmental impact statement. A microbial reaction that causes the removal of nitrate from water by converting the nitrate to nitrogen. A document that determines the potential for significant impacts to the environment from an action. A document that describes and evaluates the potential significant impacts on the environment from several alternative actions, including no action.
Fractures can conduct ground water flow.
Computer programs used to determine chemical reactions between the aquifer matrix and ground water or chemical reactions in ground water only. When ground water occurs in aquifers, it can be pumped for drinking water, irrigation, and other purposes. A computer program used to estimate ground water flow and contaminant movement rates and directions. An area of land surface or a body of surface water that allows water to infiltrate into a shallow aquifer. A natural or constructed restriction of ground water flow.