Source: Brad Haire, FARM PROGRESS, 8/27/21



For more than a decade, chlorpyrifos has come under fire by activist groups which petitioned the EPA to revoke all tolerances of the organophosphate. The agency did not revoke the tolerances. Appeals followed, and litigation started against the agency for denying the groups' petition, which at the time the agency said failed to meet the legal burden under the law for EPA to revoke chlorpyrifos. That was then. This is now. Chlorpyrifos has been in limbo for many years. The supply dwindling.

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