The document presents the Agency's decision regarding the reregistration eligibility of the registered uses of butylate. The document consists of six sections. Section I is the introduction. Section II describes butylate, its uses, data requirements and regulatory history. Section III discusses the human health and environmental assessment based on the data available to the Agency. Section IV presents the reregistration decision for butylate. Section V discusses the reregistration requirements for butylate. Finally, Section VI is the Appendices which support the Reregistration Eligibility Decision. Additional details concerning the Agency's review of applicable data are available on request.