File:Nitrification Process Tank.jpg

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DescriptionNitrification Process Tank.jpg	English: View of a nitrification process tank at a sewage treatment plant.
Date	September 2004
Source	U.S. Environmental Protection Agency (EPA), "Primer for Municipal Wastewater Treatment Systems." EPA 832-R-04-001. p. 18.
Author	U.S. Environmental Protection Agency, Washington, D.C.

Public domain	This image (or other media) is a work of an Environmental Protection Agency employee, taken or made as part of that person's official duties. As works of the U.S. federal government, all EPA images are in the public domain.	EPA logo
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	Date/Time	Thumbnail	Dimensions	User	Comment
current	23:53, 4 May 2020		555 × 361 (36 KB)	wikimediacommons>Moreau1	{{Information \|Description={{en\|1=View of a {{w\|nitrification}} process tank at a sewage treatment plant.}} \|Source=U.S. Environmental Protection Agency (EPA), [https://www.epa.gov/npdes/npdes-resources "Primer for Municipal Wastewater Treatment Systems."] EPA 832-R-04-001. p. 18. \|Date=September 2004 \|Author=U.S. Environmental Protection Agency, Washington, D.C. \|other_versions= }} =={{int:license-header}}== {{PD-USGov-EPA}} Category:Publications by the Environmental Protection Agency...

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