Do category three pesticides have a high LD50 of 500 to 5000, making them extremely dangerous?

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Category three pesticides have an LD50 (lethal dose for 50% of the population) ranging from 500 to 5000 milligrams per kilogram (mg/kg), which indicates a moderate level of toxicity rather than extreme danger. The classification of pesticides into different categories is based on their acute toxicity, where a higher LD50 generally suggests a lower toxicity level.

Pesticides in category three are not classified as highly hazardous; they pose a lower risk to human health compared to those in categories one or two, which have lower LD50 values and thus signify higher toxicity. While category three pesticides can still pose risks if not handled properly, they are not considered extremely dangerous based on their LD50 rating. Therefore, the statement about these pesticides being extremely dangerous due to their high LD50 is inaccurate, confirming that the answer is indeed false.

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