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Environmental Health - Toxic Substances



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Anoxic - "Describes an environment without oxygen." - National Research Council, 1994

Anoxic - "Ground water that has no dissolved oxygen or a very low concentration of dissolved oxygen (that is, less than 0.5 milligrams per liter)." - U.S. Geological Survey, 2010

Anoxic - "Total deprivation of oxygen." - U.S. Environmental Protection Agency, 2009

Anoxia - "Strictly total absence of oxygen but sometimes used to mean decreased oxygen supply in tissues." - International Union of Pure and Applied Chemistry, 1993

Related Definitions




Anaerobic Biodegradation


Aerobic Biodegradation


Electron Acceptor

Electron Donor

Natural Attenuation

USGS Information on Biodegradation

Related Headlines

Other Information on Biodegradation


International Union of Pure and Applied Chemistry, 1993, Glossary for chemists of terms used in toxicology: Pure and Applied Chemistry, v. 65, no. 9, p. 2003-2122.

National Research Council, 1994, Alternatives for ground water cleanup: Washington, D.C., National Academies Press, 315 p.

U.S. Environmental Protection Agency, 2009, Glossary of technical terms: U.S. Environmental Protection Agency, access date June 13, 2011.

U.S. Geological Survey, 2010, VOC's in the nation's ground water--Glossary: U.S. Geological Survey, access date June 13, 2011.



Disclaimer: The definitions on this page are provided for information purposes only, and do not indicate endorment by the U.S. Geological Survey.

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