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Run: Coolant Tank Concentration Audit

Use this coolant tank concentration audit template to verify refractometer readings, top-up condition, biocide treatment, and skimming status before coolant ...

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Audit Details

Inspection date and time recorded

Coolant tank ID or machine ID identified

Coolant type or product name documented

Inspector name recorded

Reference SOP or work instruction available

Yes No N/A

PPE appropriate for coolant handling worn critical (required)

Yes No N/A

Refractometer Reading

Refractometer available and clean critical (required)

Yes No N/A

Refractometer calibration/zero check completed before reading critical (required)

Yes No N/A

Measured coolant concentration critical (required)

Note (optional)

Target concentration range documented

Measured concentration is within target range critical (required)

Yes No N/A

Top-up and Makeup Condition

Top-up level is within normal operating range critical (required)

Yes No N/A

Makeup water source verified

Note (optional)

Visible signs of over-dilution or under-dilution present critical (required)

Yes No N/A

Top-up action completed or scheduled

Note (optional)

Any leaks, foaming, or abnormal odor observed critical (required)

Yes No N/A

Biocide Treatment

Biocide treatment required by coolant program

Yes No N/A

Biocide treatment status critical (required)

Note (optional)

Biocide application date recorded

Note (optional)

Biocide dosage or concentration recorded

Biocide handling followed SDS and PPE requirements critical (required)

Yes No N/A

Skimming and Cleanliness

Surface oil or tramp oil present critical (required)

Yes No N/A

Skimmer operating as intended critical (required)

Yes No N/A

Skimming frequency adequate for current contamination level

Note (optional)

Coolant appearance and odor acceptable

Yes No N/A

Corrective action or follow-up assigned

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