Nitrification_Process_Tank.jpg
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Summary
| Description |
English:
View of a
nitrification
process tank at a sewage treatment plant.
|
| Date | |
| 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. |
Licensing
|
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
.
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