QpE is a slightly toxic compound [U.S. Environmental Protection Agency EPAA) toxicity class III] and is irritating to the skin and only slightly irritating to the eyes (U.S. EPA. 1998).
Permethrin's toxicity ranking [pdf] is category III (slightly toxic) for eye-irritation potential, acute oral and acute dermal toxicity and category IV for dermal irritation potential.
Quizalofop-p-ethyl is an often applied, slightly toxic herbicide for which no severe toxicity has been reported in humans.
Malathion is considered slightly toxic and is an EPA class III toxicant (i.e., oral LD50 500–5,000 mg/kg) (Kamrin 1997; Tomlin 1997).
Thus, the newly developed iron nanomaterial was slightly toxic in its reduced state but no prolonged toxicity was recorded.
For example, based on the registrant's own tests of acute toxicity to freshwater fish, the U.S. EPA classified technical grade glyphosate as "slightly toxic" to "practically non-toxic" and formulated products ranged from "moderately toxic" to "practically non-toxic".
Malathion, he said, is currently classified as "slightly toxic".
Her worry is that single mothers are still seen as slightly toxic by association.
Vegetation motifs, leaves and grasses, a glimpse of paradise, but slightly toxic.
Before the fact, a long-lasting insecticide that is only slightly toxic to mammals can be applied in early fall; consult your state's agricultural extension service for advice on chemicals and timing.
Initial tests of Corexit, the oil dispersant that BP is using in the Gulf of Mexico, and of competing products, find that all available dispersants that could be used on the spill range from "practically nontoxic" to "slightly toxic," according to the Environmental Protection Agency.
