TABLE 3.
Pesticides classification according to the Globally Harmonized System GHS (World Health Organization, 2009).
| Category | Classification criteria | |||
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| LD50 of rat dermal | Hazardous description | LD50 of rat oral | Hazardous description | |
| 1 | Less than 50 mg/kg body weight | Lethal if come in skin contact | Less than 5 mg/kg body weight | Lethal if consumed |
| 2 | 50–200 mg/kg body weight | Lethal if come in skin contact | 5–50 mg/kg body weight | Lethal if consumed |
| 3 | 200–1000 mg/kg body weight | Toxic if come in skin contact | 50–300 mg/kg body weight | Toxic if consumed |
| 4 | 1000–2000 mg/kg body weight | Harmful if come in skin contact | 300–2000 mg/kg body weight | Harmful if consumed |
| 5 | 2000–5000 mg/kg body weight | Possibly harmful if come in skin contact | 2000–5000 mg/kg body weight | Possibly harmful if consumed |