FIGURE 4-3. Schematic of a nephelometer used to measure turbidity.

FIGURE 4-3Schematic of a nephelometer used to measure turbidity.

SOURCE: Reprinted from http://www.eoc.csiro.au/instrument/html/marine/marine_images/hach_diagram.gif (accessed April 16, 2009) with permission from Hach Company.

From: 4, Addressing Risk for Waterborne Disease

Cover of Global Issues in Water, Sanitation, and Health
Global Issues in Water, Sanitation, and Health: Workshop Summary.
Institute of Medicine (US) Forum on Microbial Threats.
Washington (DC): National Academies Press (US); 2009.
Copyright © 2009, National Academy of Sciences.

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