Guidelines for Canadian Drinking Water Quality: Guideline Technical Document – Dimethoate

Dimethoate is an organophosphorus insecticide and acaricide used for the control of houseflies, as well as a wide range of insects and mites on a variety of fruit, vegetable, field and forestry crops. More than 100 000 kg are used annually in Canada. The maximum acceptable concentration (MAC) for dimethoate in drinking water is 0.02 mg/L (20 µg/L).