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HACCP analysis of Salmonella (cfu/g) contamination in salads.
| Salad sample | Hand wash | Knife swab | Chopping board swab | |
|---|---|---|---|---|
| Vendor 1 | ND | 1 × 103 | ND | ND |
| Vendor 2 | 7 × 104 | 12 × 104 | ND | ND |
| Vendor 3 | 3 × 105 | 6 × 103 | 18 × 103 | 5 × 104 |
| Vendor 4 | ND | 6 × 103 | ND | ND |
| Vendor 5 | 3 × 105 | ND | 4 × 103 | 3 × 105 |
| Vendor 6 | ND | 1 × 104 | ND | 1 × 103 |
ND: not detected.
