Is there an MRL for Chlormequat chloride in USA or is the use completely forbidden?

Tolerances of Chlormequat chloride

Please follow this link to see tolerances of Chlormequat chloride in applicable products https://digicomply.sgs.com/app/search/limits/search?share=gHM5QiKpJ9.
While some individuals believe that this substance should be banned in agricultural crops, EPA has determined that these chlormequat chloride tolerances are safe.