Ohio Administrative Code Search

...[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 3745-1-03 of the Administrative Code.] (A) The purpose of this rule is to describe procedures for deriving bioaccumulation factors (BAFs) to be used in the calculation of human health tier I criteria and tier II valu...

...[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 3745-1-03 of the Administrative Code.] This rule applies to water bodies located in the lake Erie drainage basin. All pollutants or combinations of pollutants, for which human health criteria have not been adopted in...

...[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 3745-1-03 of the Administrative Code.] This rule applies to water bodies located in the lake Erie drainage basin. All pollutants or combinations of pollutants, for which human health criteria have not been ...

...[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 3745-1-03 of the Administrative Code.] This rule applies to water bodies located in the lake Erie drainage basin. This rule establishes a methodology which is required when developing tier I wildlife criteria for bio...

...[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 3745-1-03 of the Administrative Code.] This rule applies to water bodies located in the lake Erie drainage basin. This rule establishes the methodology required when developing tier I wildlife criteria for bioaccumu...

...[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 3745-1-03 of the Administrative Code.] [Comment: See rule 3745-2-09 of the Administrative Code for whole effluent toxicity water quality based effluent limit calculation procedures.] (A) Protection of aqua...

...[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 3745-1-03 of the Administrative Code.] [Comment: See rule 3745-2-09 of the Administrative Code for whole effluent toxicity water quality based effluent limit calculation procedures.] (A) Protection of aqua...

...[Comment: For dates of non-regulatory government publications, publications of recognized organizations, federal rules and federal statutory provisions referenced in this rule, see rule 3745-1-03 of the Administrative Code.] In addition to the definitions in rules 3745-1-02 and 3745-32-01 of the Administrative Code technical words used in rules 3745-1-50 to 3745-1-54 of the Administrative Code shall be def...

...[Comment: For dates of non-regulatory government publications, publications of recognized organizations, federal rules and federal statutory provisions referenced in this rule, see paragraph (AA) of this rule and rule 3745-1-03 of the Administrative Code.] In addition to the definitions in rules 3745-1-02 and 3745-32-01 of the Administrative Code technical words used in rules 3745-1-50 to 3745-1-54 of the ...

...[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 rules 3745-1-03 and 3745-1-50 of the Administrative Code.] [Comment: To the extent the director has specific authority under Chapter 6111. of the Revised Code, including sections 6111.03 and 6111.041 of the Revi...

...[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 rules 3745-1-03 and 3745-1-50 of the Administrative Code.] [Comment: To the extent the director has specific authority under Chapter 6111. of the Revised Code, including sections 6111.03 and 6111.041 of the Revi...

...For the purposes of establishing waste water discharge permit limits for waste water discharges to wetlands pursuant to Chapter 6111. of the Revised Code, numeric chemical criteria associated with the "warmwater aquatic life habitat" use designation, as specified in this chapter of the Administrative Code, apply at the outfall prior to discharge to the wetland. The applicant may submit a request, in writing...

...For the purposes of establishing waste water discharge permit limits for waste water discharges to wetlands pursuant to Chapter 6111. of the Revised Code, numeric chemical criteria associated with the "warmwater aquatic life habitat" use designation, as specified in this chapter of the Administrative Code, shall apply at the "end of pipe". The applicant may submit a request, in writing, to the director to use alterna...

...All surface waters of the state of Ohio which meet the definition of a wetland in rule 3745-1-02 of the Administrative Code are assigned the wetland designated use.

...[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 rules 3745-1-03 and 3745-1-50 of the Administrative Code.] [Comment: For definitions of terms used in this rule, see rules 3745-1-02 and 3745-1-50 of the Administrative Code.] (A) The provisions in this rule apply in add...

...[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 rules 3745-1-03 and 3745-1-50 of the Administrative Code.] [Comment: For definitions of terms used in this rule, see rules 3745-1-02 and 3745-1-50 of the Administrative Code.] (A) The provisions in this rule apply in add...

...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 sources and total maximum daily loads (TMDLs) for discharges of any pollutant requiring control, including toxic, carcinogenic, and org...

...(A) Acronyms and abbreviations used in this chapter are defined as listed below. BAF Bioaccumulation factor BCC Bioaccumulative chemical of concern BCF Bioconcentration factor BSAF Bioto-sediment accumulation factor C.F.R. Code of federal regulations D.O. Dissolved oxygen DMT Dissolved metal translator FAV Final acute value HMQ Harmonic mean flow IC Inhibition concentration ...

...(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 potential to cause or contribute to excursions above a water quality criterion for aquatic life protection using the ...

...[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 the development of water quality-based effluent limitations (WQBELs), Ohio EPA shall develop wasteload allocations (WLAs) f...

...[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 carcinogenic pollutants to flowing receiving waters, a wasteload allocation (WLA) for a pollutant shall be calculated for each wate...

...(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 water quality-based effluent limitation (WQBEL) or monitoring requirement for a pollutant shall be determined by ...

...(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 three, four or five of the reasonable potential procedures contained in rule 3745-2-06 of the Administrative Code. (2)...

...(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 A...

...(A) For discharges of ammonia-nitrogen (NH 3 -N) to flowing receiving waters, the wasteload allocation (WLA) shall be calculated using the following mass balance equation: WLA = [WQC (Q eff + Q up ) - Q up (WQ up )] / Q eff Where: WLA = wasteload allocation, as defined in rule 3745-2-02 of the Administrative Code. WQC = water quality criterion as established in rule 3745-2-04 of the Administ...