Se define como la velocidad de flujo del agua en el suelo bajo un gradiente hidrßulico unitario. La dimensi¾n de la permeabilidad es la de una velocidad, ya que su dimensi¾n es la longitud dividida por el tiempo. Fuente: GU?A PARA EL DISEÐO, CONSTRUCCIËN
Mais »DEIONIZED WATER
Water which has been specifically treated to remove all minerals. Source: Department of Toxic Substance Control – Calif¾rnia – USA
Mais »DEGREASE
To remove grease from machinery, tools, etc., usually using solvents. Source: Department of Toxic Substance Control – Calif¾rnia – USA
Mais »CYANIDE
A highly toxic chemical often used to treat metal surfaces or extract precious metal from ore. Source: Department of Toxic Substance Control – Calif¾rnia – USA
Mais »CUMULATIVE IMPACT
The term cumulative impact is used in two ways: to describe the impact of exposure to more than one compound; and to describe the impact of exposure to emissions from more than one facility. Source: Department of Toxic Substance Control – Calif¾rnia – US
Mais »CRITERIA POLLUTANTS
Pollutants for which there are considered to be safe levels of exposure, and for which standards have been set. Current criteria pollutants are: sulfur oxides, particulate matter, carbon monoxide, nitric oxides, ozone and lead. Source: Department of Toxic
Mais »CREOSOTES
Chemicals used in wood preserving operations. The chemicals are produced by distilling tar, including polycyclic aromatic hydrocarbons and polynuclear aromatic hydrocarbons (PAHs and PNAs) creosotes may cause skin ulcerations. High level, short-term expos
Mais »CORROSIVE
The ability to cause destruction of living tissue or steel surfaces by chemical action (for example: battery acid). Source: Department of Toxic Substance Control – Calif¾rnia – USA
Mais »COPPER
Distinctive red-colored metal used for electric wiring, plumbing, heating and roof and building construction, and in automobile brake linings. Known to be toxic at certain levels and potentially explosive in some forms.Source: Department of Toxic Substanc
Mais »COMPREHENSIVE ENVIRONMENTAL RESPONSE, COMPENSATION AND LIABILITY ACT (CERCLA)
Also known as Superfund, this Federal law authorizes the government to respond directly to releases of hazardous substances that may endanger public health or the environment. The U. S. Environmental Protection Agency is responsible for managing Superfund
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