Guide3.2
Critical controls
| Control | Why it is critical | Check |
|---|---|---|
| Metal detection | Prevents metal contamination reaching the consumer. | Challenge test at start-up, intervals, after stops and at end. |
| Foil detection | A cap without foil cannot be sealed. | Challenge test with a no-foil cap at start-up, after stops and at end. |
| Induction seal | Tamper evidence and moisture protection. | Seal check at start-up, every 30 minutes, after stops and at end. |
| Coding and labels | Correct batch, dates, dosage and allergen information. | Second-person and QA approval at start; checks every 30 minutes. |
| Count | Correct dose per bottle. | Hand count or checkweigher; every 30 minutes. |
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