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File:TurbidityStandards.jpg

TurbidityStandards.jpg ‎(197 × 140 pixels, file size: 11 KB, MIME type: image/jpeg)


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Summary

Description
English: Photo of three glass vials shows turbidity standards of 5, 50, and 500 NTUs
Date
Source U.S. Geological Survey
Author U.S. Geological Survey
Permission
(Reusing this file)
Public domain
This image is in the public domain in the United States because it only contains materials that originally came from the United States Geological Survey, an agency of the United States Department of the Interior. For more information, see the official USGS copyright policy.

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Licensing

Public domain
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.

Captions

FTU Turbidity Standards using Formazine

Items portrayed in this file

depicts

inception

7 November 2002

File history

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Date/TimeThumbnailDimensionsUserComment
current16:43, 16 February 2006Thumbnail for version as of 16:43, 16 February 2006197 × 140 (11 KB)JTheilken~commonswikiTurbidity standards. http://en.wikipedia.org/wiki/Image:TurbidityStandards.jpg

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