| Step | Food handler | Person in charge | Food safety supervisor |
|---|---|---|---|
| 1. Check at the ice point | |||
| 2. Check at the boiling point | |||
| 3. Work out the difference | |||
| 4. Within tolerance? | |||
| 5. Look back if it failed |
One person often holds several roles in a small business. Verifying is best done by someone who didn't do the work.