The use of thermal processing equipment as a preventive process control step should utilize verification systems.

Temperatures are monitored and recorded at the beginning of production, at least hourly, or at any time an adjustment is made during thermal processing (batch and continuous).

A recording chart should be used to continuously record the (blancher) temperature with an alarm system for immediate notification of deviations.

The controls should automatically stop the continuous system belt if the blancher/thermal processor is unable to reach the minimum temperature.

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