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Water Resources--Office of Water Quality

beaker National Field Manual

7.1 FECAL INDICATOR BACTERIA

By D.N. Myers, D.M. Stoeckel, R.N. Bushon, D.S. Francy, and A.M.G. Brady

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Fecal Indicator Bacteria (Version 2.0, 2/2007)

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Abstract

Fecal indicator bacteria are used to assess the microbiological quality of water because, although not typically disease causing, they are correlated with the presence of several waterborne disease-causing organisms. The concentration of indicator bacteria is a measure of water safety for body-contact recreation or for consumption. This report provides information on the equipment, sampling protocols, and identification, enumeration, and calculation procedures that are in standard use by U.S. Geological Survey (USGS) personnel for the collection of data on fecal indicator bacteria.

Contents

7.1 Fecal indicator bacteria

7.1.1 - Sampling equipment and equipment sterilization procedures
7.1.2 - Sample collection, preservation, storage, and holding times
7.1.3 - Identification and enumeration methods
7.1.4 - Calculating and reporting fecal indicator bacteria densities
7.1.5 - Selected references
7.1.6 - Acknowledgments

Comments/Errata page
Archive: 7.1, ver. 1.2

Citation for Section 7.1:
Myers, D.N., Stoeckel, D.M., Bushon, R.N., Francy, D.S., and Brady, A.M.G., 2007, Fecal indicator bacteria: U.S. Geological Survey Techniques of Water-Resources Investigations, book 9, chap. A7, section 7.1 (version 2.0), available from http://pubs.water.usgs.gov/twri9A/.

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Last Modified: 28 Dec. 07
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