The Following Matters Are the Subject

The following matters are the subject of this public notice by the Ohio Environmental Protection Agency. The complete public notice, including any additional instructions for submitting comments, requesting information, a public hearing, filing an appeal, or ADA accommodations may be obtained at: https://epa.ohio.gov/actions or Hearing Clerk, Ohio EPA, 50 W. Town St. P.O. Box 1049, Columbus, Ohio 43216. Ph: 614-644-3037 email: HClerk@epa.ohio.gov Final Issuance of Revocation of Permit to Install Valicor Environmental Services LLC 300 Cherokee Dr, Dayton, OH 45417 ID #: RVK05275 Date of Action: 09/11/2023 Permit revoked. Final Issuance of Class B Biosolids Site Authorization Dayton WWTP 2800 Guthrie Rd, Dayton, OH 45418 Facility Description: Publicly owned facility Receiving Water: Land Application ID #: 1PF00000 Date of Action: 09/12/2023 This final action not preceded by proposed action and is appealable to ERAC. Transfer is being made of the following class B Biosolids Beneficial Use site: (57-00461) located in Montgomery County from the Montgomery County Western Regional WRF to the Dayton WWTP. A biosolids site location map may be obtained at https://epa.ohio.gov/monitor-pollution/maps-and-advisories. Issuance of Director's Final Action Justin M Stouder PO Box 302, Hamilton, IN 46742 ID #: CO-513 Date of Action: 09/13/2023 This final action not preceded by proposed action and is appealable to ERAC. An application to act as a contracted professional operator or contract operations company was submitted and approved per OAC 3745-7-21. Application Received for Air Permit Heraeus Epurio LLC 970 Industrial Park Dr, Vandalia, OH 45377 ID #: A0073824 Date of Action: 09/13/2023 The purpose of this application is to renew Heraeus Epurio's air permits for the existing reactors. As part of the renewal, Heraeus also seeks to revise the required operating temperature for the HE-851A/B condensers for sources P011-P014. 9-17/2023