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[ pdf ] TURBIDITY METHODS and MEASUREMENT

TURBIDITY METHODS and MEASUREMENT Download
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Topic under  Turbidity Meters
Source: www.epa.gov 
File size: 68.11 KB
File type: pdf
Last download on: Fri Sep 29, 2017 06:57:15 AM
Short Desciption:
3.1 Introduction The IESWTR requires systems to measure the turbidity of combined filter effluent and individual filter effluent. Because these measurements are used for reporting and compliance purposes (as described in Chapter 2), accurate measurement and strict adherence to approved methods is of paramount importance. The following chapter describes approved methods, analytical issues associated with turbidimeters, quality assurance and quality control issues, and data collection and management.

Summary:
As noted, turbidimeters must conform to one of the three approved methods for measuring turbidity. For regulatory reporting purposes, either an on-line or a benchtop turbidimeter may be used. A system may find it appropriate to utilize on-line turbidimeters to monitor individual filter effluent, while utilizing either a benchtop or on-line turbidimeter for combined filter effluent. If a system chooses to utilize on-line units for monitoring combined filter effluent, they must validate the continuous measurements for accuracy on a regular basis using a protocol approved by the State.
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