Document jy0zn2BxNK5rrpMqKMjVMmQQy

Attachment #1 -- February 20, 2025 Letter to USEPA - Submittal of Additional Information Requested for Request for Extension of Compliance Time UCC/Dow St. Charles, Louisiana Operations This attachment provides additional details on these projects, the covered process vents, covered process wastewater streams, and the HON regulatory citations impacted. Sierra Club FOIA 2025-EPA-04883 Page 5 ED_018388_00000046-00005 SC_EVERSPLIT0012419