Reference Cells Maintenance and Calibration Audit
by Ashlea Gawne, from the Community
Use this audit protocol to plan and verify the maintenance and annual calibration of copper copper sulfate reference cells used for corrosion monitoring and cathodic protection. The checklist covers preparation with chloride free water, accurate voltage difference measurement, acceptance criteria, handling and storage precautions, disposal of excess solution, labeling with date, and final comments and sign off for auditors and crew leaders. Apply it to standardize inspections, document findings, and demonstrate compliance with internal procedures.
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