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National Field Manual for the Collection of Water-Quality Data (TWRI Book 9)

Chapter A6. Field Measurements

• Comments/Errata page
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Abstract

The National Field Manual for the Collection of Water-Quality Data provides protocols, standard procedures, and guidance for U.S. Geological Survey (USGS) personnel who collect data used to assess the quality of the Nation's surface-water and ground-water resources. Chapter A6 presents general information and guidelines for performing field measurements (section 6.0) and specific requirements and guidance for collecting data for water temperature (section 6.1), dissolved oxygen concentrations (section 6.2), specific electrical conductance (section 6.3), pH (section 6.4), reduction-oxidation potential (section 6.5), alkalinity (section 6.6), turbidity (section 6.7), and for the use of multiparameter instruments in making such measurements (section 6.8). Each of these sections is revised periodically and published separately on this Web site.

Sections of Chapter A6:

Cover pages, Table of Contents, Abstract and Introduction

6.0 General information and guidelines (10/2008)
F.D. Wilde and D.B. Radtke

6.1 Temperature (3/2006)
Revised by F.D. Wilde

6.2 Dissolved oxygen (5/2006)
Revised by M.E. Lewis

6.3 Specific electrical conductance (8/2005)
D.B. Radtke, J.V. Davis, and F.D. Wilde

6.4 pH (Version 2.0, 10/2008)
Revised By G.F. Ritz and J.A. Collins

6.5 Reduction-oxidation potential (electrode method) (9/2005)
D.K. Nordstrom and F.D. Wilde

6.6 Alkalinity and acid neutralizing capacity (7/2006)
Revised by S.A. Rounds

6.7 Turbidity (9/2005)
Chauncey W. Anderson

6.8 Use of multiparameter instruments for routine field measurements (8/2007)
Jacob Gibs, Franceska D. Wilde, and Heather A. Heckathorn

Conversion factors, selected terms and symbols, chemical symbols and formulas, and other abbreviations

Selected references, selected documents, and publications on Techniques of Water- Resources Investigations

Return to Field Manual Table of Contents

Disclaimer

Any use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Government. For more information, see USGS Information Policies.

For more information

Submit a question or comment related to this National Field Manual. For general water-quality questions, contact the USGS Office of Water Quality.

Chapter 6 Archives

• Cover, Table of Contents, Abstract, Introduction (582KB pdf)