| Step | Food safety supervisor | Programme owner | Specialist contractor |
|---|---|---|---|
| 1. Identify the likely pathogens | |||
| 2. Measure pH and water activity | |||
| 3. Consider oxygen | |||
| 4. Limit time at temperature | |||
| 5. Validate your shelf life |
One person often holds several roles in a small business. Verifying is best done by someone who didn't do the work.