Table 1.
Sampling sites selected from each occupational environment. Each sampling site corresponds to the workplaces where the workers spend more time.
| Poultry Feed Industry (PFI) | Swine Feed Industry (SFI) | Waste Sorting Plant (WSP) | Poultry Pavilion (PP) | Slaughterhouse (S) |
|---|---|---|---|---|
| Premixing | Reception room | Alveoli (waste discharging area) | Pavilion | Swine bleeding |
| Bagging line 2-1 | Bagging line | Waste without sorting cabinet | - | Meat cutting |
| Bagging line 2-2 | Final product warehouse | Waste with sorting cabinet | - | Swine gutting |
| Manual mixing | Pharmacy | - | - | - |
| Granulator | Control room | - | - | - |
| Control lab | - | - | - | - |