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Table 1 Classification of pesticides used by farmers, the ten most used active ingredients and their characteristics (n = 171)

From: Occupational pesticide intoxications among farmers in Bolivia: a cross-sectional study

Active Ingredient

Used by percent of farmers

Toxicological classes*

Chemical class

Classification by main use

Methamidophos

69 %

Ib

Organophosphate

Insecticide

Sulphur

40 %

U

 

Fungicide

Propenophos

34 %

II

Organophosphate

Insecticide

Cypermethrim

26 %

II

Pyretroide

Insecticide

Spinosad

25 %

U

 

Insecticide

Propineb

25 %

U

 

Herbicide

Parathion

23 %

Ia

Organophosphate

Insecticide

Dimethoate

16 %

II

Organophosphate

Insecticide

Permethrin

15 %

II

Pyretroide

Insecticide

Lambda cyhalotrin

11 %

II

Pyretroide

Insecticide

  1. * Ia extremely hazardous, Ib highly hazardous, II moderately hazardous, III slightly hazardous, U active ingredient unlikely to present any harm in normal use, O obsolete (WHO classification).