Dimethipin
Health Effects
EPA's Integrated Risk Information System classifies Dimethipin as: C; possible human carcinogen. EPA's stated basis: "Classification is based on an elevated combined incidence of pulmonary adenomas/carcinomas in male, but not in female, CD-1 mice. A rat study is undergoing further evaluation." EPA has not set a federal drinking-water limit (MCL or MCLG) for Dimethipin; IRIS assesses a chemical's toxicity, not the amount permitted in tap water.
Source: EPA IRIS — Integrated Risk Information System (IRIS) (retrieved 2026-07-28)
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Contaminant Type
Dimethipin is classified as a Herbicides contaminant.
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