Table 3.

The most common organochlorine and organophosphate compounds, their chemical structure, use, and persistence. Adapted from [21]

Chemical name	IARC group	Use	Persistence in environment	WHO classification based on rat oral LD50
DDT	Group 2A	Acaricide insecticide	High persistence Half-life: 2–15 years	Moderately hazardous
DDD	–	Insecticide	High persistence Half-life: 5–10 years	Acute hazard in unlikely
DDE	–	Insecticide	High persistence Half-life: 10 years	Slightly hazardous
Diazinon	Group 2A	Insecticide	Moderately persistence Half-life: 37–38 days	Moderately hazardous

DDT Dichlorodiphenyltrichloroethane, DDD Dichlorodiphenyldichloroethane, DDE Dichlorodiphenyldichloroethylene