I need to measure pH and report the results to a regulatory agency. What do I need to do this?

Document ID

Document ID TE359

Version

Version 4.0

Status

Status Published

Published Date

Published Date 03/02/2018
Question
I need to measure pH and report the results to a regulatory agency. What do I need to do this?
Summary
Measuring and reporting pH
Answer
A pH meter and electrode such as an HQD meter/Intellical probe must be used if your results need to be reported to an agency such as the USEPA. You can review the Hach USEPA pH electrode method 8156 for additional information.

pH meters will give the best accuracy and sensitivity, measure across the full pH range, and can be used with most water samples, compared to colorimetric or test strip measurements.  However, they require regular calibration with pH buffer solutions. Hach has several different kits available, complete with calibration buffers, for simplified measurement solutions.

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