Ohio Environmental Protection Agency establishes liner design criteria for existing coal combustion residue surface impoundments under OAC 3745-525-202; rule filed June 22, 2026.
Ohio Environmental Protection Agency refiled rule OAC 3745-525-03 defining terms under 40 C.F.R. 257.53; filed June 22, 2026.
Ohio Environmental Protection Agency refiled rule OAC 3745-525-01 governing scope and purpose under 40 C.F.R. 257.50, filed June 22, 2026.
Ohio EPA rule OAC 3745-525-103 establishes location restriction demonstration requirements for fault areas under federal coal ash disposal standards; filed June 22, 2026.
Ohio Environmental Protection Agency rule OAC 3745-525-101 establishes location restriction requirements for placement above the uppermost aquifer under 40 C.F.R. 257.60; filed June 22, 2026.
Ohio Environmental Protection Agency refiled rule OAC 3745-525-950 governing assessment of corrective measures under 40 C.F.R. 257.96, effective June 22, 2026.
Ohio Environmental Protection Agency refiled OAC 3745-525-940 establishing assessment monitoring program requirements under 40 C.F.R. 257.95, effective June 22, 2026.
OAC 3745-525-930 establishes Ohio's detection monitoring program for solid waste landfills under federal 40 CFR 257.94 standards; rule filed June 22, 2026.
Ohio Environmental Protection Agency rule OAC 3745-525-920 establishes groundwater sampling and analysis requirements under 40 C.F.R. 257.93; filed June 22, 2026.
Ohio EPA's OAC 3745-525-80 establishes additional recordkeeping, notification, and public internet site requirements for regulated entities; rule filed June 22, 2026.
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