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How can people be exposed to arsenic-containing insecticides?

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A labeled diagram of the periodic table entry for arsenic, showing its atomic number 33, symbol As, atomic weight 74.921595, electron configuration, and classification as an other nonmetal. Additional icons indicate arsenic is solid at room temperature, has a rhombohedral crystal structure, and weakly acidic oxides. — arsenic Properties of arsenic.

Exposure to arsenic-containing insecticides primarily occurs through the ingestion or inhalation of compounds such as arsenious oxide, copper acetoarsenite, or lead and calcium arsenate.1

Common routes of exposure include:

Occupational Hazards: Agricultural workers are at particular risk when handling insecticidal sprays and dusts.1
Dietary Intake: Fruits and vegetables treated with these insecticides may retain toxic levels of arsenic if they are not thoroughly washed before consumption.1
Accidental Exposure: Ingestion can occur accidentally, particularly among children who may come into contact with products containing these chemicals.1

To mitigate these risks, it is essential to handle such substances with extreme caution and ensure that produce is properly cleaned. Protecting against the inhalation of arsenic-containing dusts is also a critical safety measure.2