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Disclaimer: The definitions provided in this vocabulary do not constitute the Agency's official use of terms and phrases for regulatory purposes, and should not be used to alter or supplant those found in any other federal document. Official terminology may be found in the laws and related regulations as published in such sources as the Congressional Record and Federal Register. (More)
Name:
Description: The interacting system of a biological community and its non-living environmental surroundings. [US EPA Terms of the Environment]
Publisher: Office of Research and Development
Last Update: April 2018
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