File:Slow sand filter EPA.jpg
Size of this preview: 800 × 449 pixels. Other resolutions: 320 × 180 pixels | 640 × 359 pixels | 1,024 × 575 pixels | 1,280 × 718 pixels | 2,115 × 1,187 pixels.
Original file (2,115 × 1,187 pixels, file size: 189 KB, MIME type: image/jpeg)
 | This is a file from the Wikimedia Commons. Information from its description page there is shown below. Commons is a freely licensed media file repository. You can help. |
Summary
| Description | ||||||
| Date | ||||||
| Source | "Technologies for Upgrading Existing or Designing New Drinking Water Treatment Facilities", Document no. EPA/625/4-89/023. p. 40, Figure 4-7. | |||||
| Author | US Environmental Protection Agency | |||||
| Permission (Reusing this file) |
|
Licensing
|
This work is in the public domain in the United States because it is a work prepared by an officer or employee of the United States Government as part of that person’s official duties under the terms of Title 17, Chapter 1, Section 105 of the US Code.
Note: This only applies to original works of the Federal Government and not to the work of any individual U.S. state, territory, commonwealth, county, municipality, or any other subdivision. This template also does not apply to postage stamp designs published by the United States Postal Service since 1978. (See § 313.6(C)(1) of Compendium of U.S. Copyright Office Practices). It also does not apply to certain US coins; see The US Mint Terms of Use.
|
 |
| This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. | ||
File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 03:57, 28 March 2010 | | 2,115 × 1,187 (189 KB) | Moreau1 | == Summary == {{Information |Description={{en|1=Diagram of a housed slow sand filter for water purification}} |Source=[http://nepis.epa.gov/Exe/ZyPURL.cgi?Dockey=300048WU.txt "Technologies for Upgrading Exis |
File usage
The following page uses this file:
Global file usage
The following other wikis use this file:
- Usage on ar.wikipedia.org
- Usage on fa.wikipedia.org
- Usage on pt.wikipedia.org
- Usage on sr.wikipedia.org
