Exposure-modifying factors used in the pesticide exposure algorithm
| Variable | Exposure-modifying factors | Exposure direction | Exposure route | Exposed/protected body area | Deterministic exposure scores | References |
| MIX | Mixing of pesticide formulation(s) with water | Increase | Whole body | Increase in exposure if mixing pesticides | 5 | 6 |
| APPLICATION | Manual handheld knapsack sprayers | Increase | Whole body | Increase in exposure if applying pesticides | 8 | 6 |
| PPE | Personal protective equipment (PPE) | Decrease | Used during pesticide handling: application and mixing | 1 to 0.14 | Table 2 | |
| CHANGE | Changing clothes after application | Decrease | Next day, many hours later, few hours later, immediately | 1, 0.9, 0.8, 0.7 | 3 | |
| SHOWER | Showering after application | Decrease | Next day, many hours later, few hours later, immediately | 1, 0.9, 0.8, 0.7 | 3 | |