Six months into the season the folder is full, every box is ticked, and every fridge reads exactly 4°C every single day. That uniformity is not reassurance — it is the signature of a system being written rather than run. Verification is how a supervisor finds that out before an inspector does.
Three words people confuse
| Term | Question it answers | Example on board |
|---|---|---|
| Monitoring | Is the CCP under control right now? | Probing the chicken; reading the fridge |
| Verification | Is the plan being followed and working? | Reviewing records, calibrating probes, internal audit, swab tests, checking that corrective actions were closed out |
| Validation | Is the plan scientifically capable of controlling the hazard in the first place? | Evidence that 75°C for 30 seconds kills Salmonella; proving your blast chiller actually reaches 5°C in 90 minutes with a full 8-litre pot |
Validation happens before you rely on a control and again when you change it. Verification happens continuously afterwards. A plan can be perfectly followed and still be unsafe — that is a validation failure, and only a supervisor will catch it.
A verification schedule
| Activity | Frequency | Who | Record |
|---|---|---|---|
| Review monitoring records for gaps, drift, impossible entries | Weekly | Supervisor | Signed review note |
| Probe calibration (ice point 0°C / boiling 100°C) | Monthly and after a drop | Chef | Calibration log |
| Internal audit walk-through against checklist | Monthly | Supervisor | Audit report + actions |
| Confirm flow diagram still matches reality | Each menu/itinerary/crew change | HACCP team | Dated review |
| Corrective actions closed out | Monthly | Supervisor | Action log |
| Water system: chlorine residual, tank inspection | Per FSMS / MLC schedule | Engineer | Water log |
| Independent check — swabs, external audit | Annually or per management standard | External | Report |
Record-keeping that survives scrutiny
- Record at the moment of the check, not at the end of the week.
- Records must show what was checked, the reading, the date and time, who checked, and what was done if it failed.
- Exceptions are the valuable entries. A record showing a fridge at 9°C, a corrective action, and a closed-out repair is far stronger evidence of a working system than a month of identical 4°C readings.
- Keep records for the period your FSMS, management company or jurisdiction requires — commonly the product shelf life plus a defined margin, and often much longer for charter operations.
Document control
Every controlled document should carry a title, version number, date, author and approver. Then:
- One master copy; superseded versions removed from the galley so nobody works from an old procedure.
- Changes are dated and approved — not scribbled in the margin.
- The plan is reviewed on a defined schedule and after any change or incident.
Onboard Notes
- Look for records that are too perfect. Then go and watch the check being done.
- A probe that was never calibrated invalidates every cooking record it produced. Calibrate and log it.
- If a record has a gap, write why. An honest gap is defensible; a fabricated entry is not.
Scope note: xplor is not an approved centre or an accredited training provider. This lesson is preparatory study only - no certificate and no regulated qualification is awarded here, and a Level 3 supervising food safety award must be sat and assessed with an approved centre of a regulated awarding organisation.