Ohio regulations

Ohio Environmental Protection Agency rule OAC 3745-525-710 establishes closure or retrofit requirements for coal combustion residual units under 40 C.F.R. 257.101, filed April 28, 2026.

Ohio Environmental Protection Agency proposes rule OAC 3745-525-720 establishing criteria for closure or retrofit of coal combustion residual units under federal 40 C.F.R. 257.102; filed April 28, 2026.

Ohio Environmental Protection Agency proposes OAC 3745-525-920 to establish groundwater sampling and analysis requirements under 40 C.F.R. 257.93, filed April 28, 2026.

Ohio Environmental Protection Agency proposes OAC 3745-525-70 to establish publicly accessible internet site requirements under 40 C.F.R. 257.107; rule filed April 28, 2026.

Ohio Environmental Protection Agency proposes new rule OAC 3745-525-930 establishing detection monitoring program requirements under federal standards; filed April 28, 2026.

Ohio Environmental Protection Agency proposes new rule OAC 3745-525-610 establishing air criteria under 40 C.F.R. 257.80; filed April 28, 2026.

Ohio Environmental Protection Agency proposes OAC 3745-525-620 establishing run-on and run-off controls for coal combustion residue landfills under 40 C.F.R. 257.81; filed April 28, 2026.

Ohio Environmental Protection Agency proposes new rule OAC 3745-525-630 establishing hydrologic and hydraulic capacity requirements for coal combustion residue surface impoundments under 40 C.F.R. 257.82, filed April 28, 2026.

Ohio Environmental Protection Agency rule OAC 3745-525-640 establishes inspection requirements for CCR surface impoundments under 40 C.F.R. 257.83; filed April 28, 2026.

Ohio Environmental Protection Agency rule OAC 3745-525-315 establishes approval criteria for permits to install and operate CCR units; filed April 28, 2026.

Ohio Environmental Protection Agency proposes OAC 3745-525-940 to establish assessment monitoring program requirements under 40 C.F.R. 257.95, filed April 28, 2026.

Ohio Environmental Protection Agency establishes OAC 3745-525-650 to set inspection requirements for coal combustion residue landfills under 40 C.F.R. 257.84; rule filed April 28, 2026.

Ohio Environmental Protection Agency proposes OAC 3745-525-104 to govern location restriction demonstrations in seismic impact zones under federal regulation 40 C.F.R. 257.63; rule filed April 28, 2026.

Ohio Environmental Protection Agency rule OAC 3745-525-103 establishes location restriction demonstrations for fault areas under federal solid waste regulations; filed April 28, 2026.

Ohio Administrative Code 4715-9-01 amendments expand permissible practices for dental hygienists, effective May 11, 2026.