CCPs are monitored through a scheduled measurement or observation of a CCP relative to its critical limits. The monitoring method and frequency should make it possible to detect any failures before they fall outside the established critical limits, so that affected products can be isolated and evaluated in a timely manner. Where possible, CCPs should be monitored continuously (e.g. temperature recording chart). For observable critical limits (e.g. pump settings) where continuous monitoring is not possible, the frequency of monitoring should be appropriate to the deviation and be sufficient to limit the amount of product affected by a deviation. 

The personnel monitoring CCPs should be properly trained for the task and be capable of addressing any deviations. The monitoring data and records should be reviewed and evaluated by a designated person with the knowledge and authority to carry out corrective actions when needed. 

Consult the guidance document on establishing a monitoring system for each CCP to:

• design and establish an effective monitoring system;
• determine what needs to be monitored, how and how often; and
• understand how to collect data and how to deal with the challenges of collecting data.

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