Coolant Tank Concentration Audit

Inspection template for verifying coolant tank concentration, refractometer readings, top-up condition, biocide treatment, and skimming status.

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
• PPE appropriate for coolant handling worn

Refractometer Reading

• Refractometer available and clean
• Refractometer calibration/zero check completed before reading
• Measured coolant concentration
• Target concentration range documented
• Measured concentration is within target range

Top-up and Makeup Condition

• Top-up level is within normal operating range
• Makeup water source verified
• Visible signs of over-dilution or under-dilution present
• Top-up action completed or scheduled
• Any leaks, foaming, or abnormal odor observed

Biocide Treatment

• Biocide treatment required by coolant program
• Biocide treatment status
• Biocide application date recorded
• Biocide dosage or concentration recorded
• Biocide handling followed SDS and PPE requirements

Skimming and Cleanliness

• Surface oil or tramp oil present
• Skimmer operating as intended
• Skimming frequency adequate for current contamination level
• Coolant appearance and odor acceptable
• Corrective action or follow-up assigned