Table 1.
Acute toxicity hazard categories of pesticides and distribution of pesticides registered in Egypt in each categories [20].
| Category or class | Acute LD50 mg/kg body weight of the rat | Classification by hazardous | |
|---|---|---|---|
| Oral | Dermal | ||
| Ia | < 5 | < 50 | Extremely |
| Ib | 5–50 | 50–200 | Highly |
| II | 50–2000 | 200–2000 | Moderately |
| III | Over 2000 | Over 2000 | Slightly |
| U | 5000 or higher | Unlikely | |