Ohio Administrative Code

(A) No owner or operator of any coal-fired steam generating unit in Miami county, unless otherwise specified in this rule, shall cause or permit the emission of sulfur dioxide from any source to exceed a maximum of 3.2 pounds of sulfur dioxide per MM Btu actual heat input.(B) The…

(A) No owner or operator of any coal-fired steam generating unit in Montgomery county, unless otherwise specified in this rule, shall cause or permit the emission of sulfur dioxide from any source to exceed a maximum of 1.5 pounds of sulfur dioxide per MM Btu actual heat input.(B…

(A) No owner or operator of any coal-fired steam generating unit in Muskingum county, unless otherwise specified in this rule, shall cause or permit the emission of sulfur dioxide from any source to exceed a maximum of 4.5 pounds of sulfur dioxide per MM Btu actual heat input.(B)…

(A) No owner or operator of any coal-fired steam generating unit in Ottawa county, unless otherwise specified in this rule, shall cause or permit the emission of sulfur dioxide from any source to exceed a maximum of 5.9 pounds of sulfur dioxide per MM Btu actual heat input.(B) [R…

(A) No owner or operator of any coal-fired steam generating unit in Paulding county, unless otherwise specified in this rule, shall cause or permit the emission of sulfur dioxide from any source to exceed a maximum of 2.6 pounds of sulfur dioxide per MM Btu actual heat input.(B) …

(A) No owner or operator of any coal-fired steam generating unit in Ross county, unless otherwise specified in this rule, shall cause or permit the emission of sulfur dioxide from any source to exceed a maximum of 3.6 pounds of sulfur dioxide per MM Btu actual heat input.(B) The …

(A) No owner or operator of any coal-fired steam generating unit in Sandusky county, unless otherwise specified in this rule, shall cause or permit the emission of sulfur dioxide from any source to exceed a maximum of 2.6 pounds of sulfur dioxide per MM Btu actual heat input.(B) …

(A) No owner or operator of any coal-fired steam generating unit in Seneca county, unless otherwise specified in this rule, shall cause or permit the emission of sulfur dioxide from any source to exceed a maximum of 8.1 pounds of sulfur dioxide per MM Btu actual heat input.(B) Th…

(A) No owner or operator of a facility in Stark county, unless otherwise specified in this rule, shall cause or permit the emission of sulfur dioxide from any stack in excess of the following rates:(1) For fossil fuel-fired steam generating units between ten and sixty MM Btu per …

(A) No owner or operator of any applicable unit in Summit county, unless otherwise specified in this rule, shall cause or permit the emission of sulfur dioxide from any stack in excess of the rate indicated in the following:(1) For fossil fuel fired steam generating units with a …

(A) No owner or operator of any coal-fired steam generating unit in Trumbull county, unless otherwise specified in this rule, shall cause or permit the emission of sulfur dioxide from any source to exceed a maximum of 5.4 pounds of sulfur dioxide per MM Btu actual heat input.(B) …

(A) No owner or operator of any coal-fired steam generating unit in Tuscarawas county, unless otherwise specified in this rule, shall cause or permit the emission of sulfur dioxide from any source to exceed a maximum of 4.5 pounds of sulfur dioxide per MM Btu actual heat input.(B…

No owner or operator of any coal-fired steam generating unit in Washington county shall cause or permit the emission of sulfur dioxide from any source to exceed a maximum of 4.5 pounds of sulfur dioxide per MM Btu actual heat input. Last updated July 28, 2026 at 12:24 PM Authoriz…

(A) No owner or operator of any coal-fired steam generating unit in Wayne county, unless otherwise specified in this rule, shall cause or permit the emission of sulfur dioxide from any source to exceed a maximum of 7.2 pounds of sulfur dioxide per MM Btu actual heat input.(B) [Re…

(A) No owner or operator of any coal-fired steam generating unit in Williams county, unless otherwise specified in this rule, shall cause or permit the emission of sulfur dioxide from any source to exceed a maximum of 2.6 pounds of sulfur dioxide per MM Btu actual heat input.(B) …

As used in this chapter:(A) "Agricultural waste" means any waste material generated by crop, horticultural, or livestock production practices, and includes such items as woody debris and plant matter from stream flooding, bags, cartons, structural materials, and landscape wastes …

(A) Notwithstanding any provision in this chapter, no open burning shall be conducted in an area where an air alert, warning, or emergency under Chapter 3745-25 of the Administrative Code is in effect.(B) No provisions of this chapter, permitting open burning, and no permission t…

[Comment: For dates of non-regulatory government publications, publications of recognized organizations and associations, federal rules, and federal statutory provisions referenced in this rule, see paragraph (P) of rule 3745-19-01 of the Administrative Code titled "Referenced ma…

[Comment: For dates of non-regulatory government publications, publications of recognized organizations and associations, federal rules, and federal statutory provisions referenced in this rule, see paragraph (P) of rule 3745-19-01 of the Administrative Code titled "Referenced ma…

(A) Permission:(1) An application for permission to open burn shall be submitted in writing to Ohio EPA. The applicant shall allow Ohio EPA at least ten working days to review the permit. Applicant may proceed with burn upon receipt of written permission from Ohio EPA. Saturday, …

(A) The director may assess and collect administrative penalties from any person who violates any of the rules in this chapter. Through unilateral orders, the director may assess a violator not more than two hundred fifty dollars per day for each separate violation of the rules i…

The purpose of this chapter is to provide for the attainment and protection of the surface water quality standards (WQS) established in Chapter 3745-1 of the Administrative Code. This chapter sets forth rules for developing water quality based effluent limitations for point sourc…

(A) Acronyms and abbreviations used in this chapter are defined as listed below.BAFBioaccumulation factorBCCBioaccumulative chemical of concernBCFBioconcentration factorBSAFBioto-sediment accumulation factorC.F.R.Code of federal regulationsD.O.Dissolved oxygenDMTDissolved metal t…

(A) Applicability.The provisions of this rule apply to waterbodies designated warmwater habitat, exceptional warmwater habitat and modified warmwater habitat. When the director has established that a pollutant in a point source discharge from an existing source has the reasonable…

[Comment: For dates of non-regulatory government publications, publications of recognized organizations and associations, federal rules and federal statutory provisions referenced in this rule, see rule 3745-2-02 of the Administrative Code.](A) For each discharge that may require…

[Comment: For dates of non-regulatory government publications, publications of recognized organizations and associations, federal rules and federal statutory provisions referenced in this rule, see rule 3745-2-02 of the Administrative Code.](A) For discharges of toxic and carcino…

(A) General provisions.(1) The average preliminary effluent limitation (PEL) is the lowest wasteload allocation (WLA) based on chronic criteria, and the maximum PEL is the lowest WLA based on acute criteria, calculated pursuant to rule 3745-2-05 of the Administrative Code.(2) A w…

(A) Carcinogens.(1) The incremental risk of each known or suspected carcinogen present in a discharge shall be considered additive in accordance with this rule. A known or suspected carcinogen is considered present if its preliminary effluent limitation (PEL) falls within group t…

(A) For discharges of whole effluent toxicity (WET) to flowing receiving waters, the WQBEL for WET shall be calculated using the following mass balance equation:Where:WQC = toxicity level as established in paragraph (A) of rule 3745-1-44 of the Administrative Code.Qeff = effluent…

(A) For discharges of ammonia-nitrogen (NH3-N) to flowing receiving waters, the wasteload allocation (WLA) shall be calculated using the following mass balance equation:WLA = [WQC (Qeff + Qup) - Qup(WQup)] / QeffWhere:WLA = wasteload allocation, as defined in rule 3745-2-02 of th…

(A) The loading capacity of a flowing receiving water for dissolved oxygen (D.O.) shall be determined by the use of mathematical water quality models. The models may range from simple solutions based on the Streeter-Phelps equation to complex, time variable models. The model comp…

[Comment: For dates of non-regulatory government publications, publications of recognized organizations and associations, federal rules and federal statutory provisions referenced in this rule, see rule 3745-2-02 of the Administrative Code.](A) Administrative procedures.(1) At a …

[Comment: For dates of non-regulatory government publications, publications of recognized organizations and associations, federal rules, and federal statutory provisions referenced in this rule, please see paragraph (AA) of this rule, "Referenced materials."]Except as otherwise p…

(A) Notwithstanding any other exclusion of this rule, and to determine which requirements of this rule and of rules 3745-20-03 and 3745-20-04 of the Administrative Code apply, each owner or operator of any demolition or renovation operation shall have the affected facility or par…

(A) Each owner or operator to whom this rule applies shall perform the following:(1) Provide the director a notice of intention to demolish or renovate on a form and in manner prescribed by the director.(2) Update notice, as necessary, including when the amount of asbestos affect…

(A) Each owner or operator of a demolition or renovation operation to whom this rule applies shall comply with the following procedures:(1) Remove all regulated asbestos-containing material from a facility being demolished or renovated before any activity begins that would break …

[Comment: For dates of non-regulatory government publications, publications of recognized organizations and associations, federal rules, and federal statutory provisions referenced in this rule, see paragraph (AA) of rule 3745-20-01 of the Administrative Code titled "Referenced m…

(A) Each owner or operator of an active asbestos waste disposal site shall do either of the following: (1) Not cause or permit any visible emissions to the outside air.(2) Comply with the following:(a) Not cause or permit any visible emissions to the outside air from asbestos-con…

[Comment: For dates of non-regulatory government publications, publications of recognized organizations and associations, federal rules, and federal statutory provisions referenced in this rule, see paragraph (AA) of rule 3745-20-01 of the Administrative Code titled "Referenced m…

[Comment: For dates of non-regulatory government publications, publications of recognized organizations and associations, federal rules, and federal statutory provisions referenced in this rule, see paragraph (AA) of rule 3745-20-01 of the Administrative Code titled "Referenced m…

[Comment: For dates of non-regulatory government publications, publications of recognized organizations and associations, federal rules, and federal statutory provisions referenced in this rule, see paragraph (AA) of rule 3745-20-01 of the Administrative Code titled "Referenced m…

(A) This rule applies to asbestos mills and to the following manufacturing operations using commercial asbestos:(1) Cloth, cord, wicks, tubing, tape, twine, rope, thread, yarn, roving, lap, or other textile materials.(2) Cement products.(3) Fireproofing and insulating materials.(…

(A) This rule applies to the following fabricating operations using commercial asbestos:(1) Cement building products.(2) Friction products except those operations that primarily install asbestos friction materials on motor vehicles.(3) Cement or silicate board for ventilation hoo…

[Comment: For dates of non-regulatory government publications, publications of recognized organizations and associations, federal rules, and federal statutory provisions referenced in this rule, see paragraph (AA) of rule 3745-20-01 of the Administrative Code titled "Referenced m…

(A) Each owner or operator of an operation that converts regulated asbestos-containing material and asbestos-containing waste material into nonasbestos (asbestos-free) material shall obtain from the director either of the following as applicable:(1) A permit-to-install and operat…

An owner or operator of a facility shall not install or reinstall on a facility component any insulating materials that contain commercial asbestos if the materials are either molded and friable or wet-applied and friable after drying. The provisions of this rule do not apply to …

[Comment: For dates of non-regulatory government publications, publications of recognized organizations and associations, federal rules, and federal statutory provisions referenced in this rule, see paragraph (AA) of rule 3745-20-01 of the Administrative Code titled "Referenced m…