Ohio Administrative Code › Title 3745 - Ohio Environmental Protection Agency › Chapter 3745-110 - Nitrogen Oxides - Reasonably Available Control Technology › Section 3745-110-01 - Definitions

Current through all regulations passed and filed through July 1, 2024
[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 (C) of this
				rule titled "Referenced materials."]
(A) Except as otherwise provided in this
			 rule, the definitions in rule
			 3745-15-01 of the
			 Administrative Code apply to this chapter.
(B) As used in this chapter:
(1) "Affected facility" means any facility
			 that meets the applicability requirements in rule
			 3745-110-02 of the
			 Administrative Code.
(2) "Affected
			 source" means any source which is located at any affected facility and is not
			 exempt under paragraph (K) of rule
			 3745-110-03
			 of the Administrative Code.
(3)
			 "Auxiliary boiler" means either a boiler that produces steam and operates at a
			 capacity factor of less than ten per cent or a boiler at a nuclear electrical
			 generating facility that produces steam for the facility during either
			 emergency periods or atypical extended periods of nuclear plant
			 outage.
(4) "Black start unit"
			 means any electric generating unit operated only in the event of a complete
			 loss of facility power to test reliability, or for maintenance.
(5) "British thermal unit" or "Btu" means the
			 amount of heat needed to raise one pound of water one degree
			 Fahrenheit.
(6) "Capacity factor"
			 means either the ratio of gross actual output to the gross rated output or the
			 ratio of actual heat input to potential heat input for the calendar year,
			 expressed as a percentage.
(7)
			 "Cell burner" means burner cells that consist of two or three circular burners
			 combined into a vertically oriented assembly that creates a compact, intense
			 flame.
(8) "Coal" means all solid
			 fuels classified as anthracite, bituminous, sub-bituminous or lignite, as
			 defined by ASTM D388, "Standard Classification for Coals by Rank."
(9) "Cyclone-fired boiler" means a boiler
			 that combusts fuel in a horizontal water-cooled cylinder before releasing the
			 combustion gases into the boiler.
(10) "Diesel fuel" means a low sulfur fuel
			 oil of grades 1-D or 2-D, as defined by ASTM D975, "Standard Specification for
			 Diesel Fuel Oils."
(11) "Distillate
			 oil" means fuel oil that complies with the specifications for fuel oil number
			 one or two, as defined by ASTM D396, "Standard Specification for Fuel
			 Oils."
(12) "Dry bottom" means a
			 boiler design in which the coal-fired unit is equipped with an ash disposal
			 hopper bottom with sufficient cooling surface so that the ash particles
			 impinging on the furnace walls or hopper bottom can be removed in a dry
			 state.
(13) "Dual fuel" means a
			 mixture of diesel fuel or distillate oil and gaseous fuels.
(14) "Engine testing operation" means the
			 activities, or the apparatus used in conducting testing of an internal
			 combustion engine for the purpose of quality assurance/quality control in the
			 manufacturing process of the engine, or for evaluating the pollutant emissions
			 emitted by the engine.
(15)
			 "Gaseous fuels" means natural gas, blast furnace gas, coke oven gas or refinery
			 fuel gas.
(16) "Industrial boiler"
			 means a steam generating unit that generates steam to supply power or heat to
			 an industrial, institutional, or commercial operation. This term does not
			 include boilers that serve electrical generating units and cogeneration
			 facilities.
(17) "Internal
			 combustion engine" means any engine in which power, produced by heat and/or
			 pressure developed in the engine cylinder by burning a mixture of air and fuel
			 (including diesel fuel), is subsequently converted to mechanical work by means
			 of one or more pistons.
(18) "Lb
			 per mmBtu" or "lb/mmBtu" means pound per million British thermal
			 units.
(19) "Large boiler" means an
			 industrial boiler with a maximum heat input capacity greater than one hundred
			 mmBtu/hr and equal to or less than two hundred fifty mmBtu/hr.
(20) "Lean burn engine" means an internal
			 combustion engine where the amount of oxygen in the exhaust gases is one per
			 cent or more, by weight.
(21) "Low
			 NOx burner" means a burner designed to reduce flame turbulence by the mixing of
			 fuel and air and by establishing fuel-rich zones for initial combustion,
			 thereby reducing the formation of NOx.
(22) "Mid-size boiler" means an industrial
			 boiler with a maximum heat input capacity greater than fifty mmBtu/hr and equal
			 to or less than one hundred mmBtu/hr.
(23) "MmBtu/hr" means million British thermal
			 units per hour.
(24) "Municipal
			 solid waste" means household, commercial/retail, 
									or
			 institutional waste. Household waste includes material discarded by single and
			 multiple residential dwellings, hotels, motels, and other similar permanent or
			 temporary housing establishments or facilities. Commercial/retail waste
			 includes material discarded by stores, offices, restaurants, warehouses,
			 nonmanufacturing activities at industrial facilities, and similar
			 establishments or facilities. Institutional waste includes material discarded
			 by schools, hospitals, non-manufacturing facilities and other similar
			 establishments or facilities. Household, commercial/retail, and institutional
			 wastes do not include sewage, wood pallets, construction and demolition wastes,
			 or motor vehicles (including motor vehicle parts or vehicle fluff). Municipal
			 solid waste does include motor vehicle maintenance materials, limited to
			 vehicle batteries, used motor oil, and tires. Municipal solid waste does not
			 include wastes that are solely segregated medical wastes. However any mixture
			 of segregated wastes which contain more than thirty per cent medical waste
			 discards is considered to be municipal solid waste.
(25) "Municipal waste combustor" means any
			 device that combusts any solid, liquid, or gasified municipal solid
			 waste.
(26) "N/A" means not
			 applicable.
(27) "Natural gas"
			 means a naturally occurring mixture of hydrocarbon and nonhydrocarbon gases
			 found in geologic formations beneath the earth's surface, of which the
			 principal constituent is methane.
(28) "Nitrogen oxides" or "NOx" means all
			 oxides of nitrogen which are determined to be ozone precursors, including, but
			 not limited to, nitrogen oxide and nitrogen dioxide, but excluding nitrous
			 oxide, collectively expressed as nitrogen dioxide.
(29) "Oil" means crude oil or petroleum, or a
			 liquid fuel derived from crude oil or petroleum, including distillate oil and
			 residual oil.
(30) "Overfeed
			 stoker-fired" means a boiler design that employs a moving grate assembly where
			 the coal is fed into a hopper and then onto a continuous grate that conveys the
			 coal into the furnace. As coal moves through the furnace, it passes over
			 several air zones for staged burning.
(31) "Peaking unit" means any electric
			 generating unit that operates at a capacity factor of less than ten per cent
			 between April first and October thirty-first of any calendar year.
(32) "Potential to emit" means the maximum
			 capacity of a facility or stationary source to emit NOx under its physical and
			 operational design. Any physical or operational limitation on the capacity of
			 the facility or stationary source to emit NOx, including air pollution control
			 equipment and restrictions on hours of operation or on the type or amount of
			 material combusted, stored or processed, is treated as part of its design if
			 the limitation or the effect it would have on emissions is federally
			 enforceable .
(33) "Ppmvd"
			 means parts per million by volume on a dry basis.
(34) "RACT" means the lowest emissions
			 limitation that a particular source is capable of meeting by the application of
			 control technology that is reasonably available considering technological and
			 economic feasibility.
(35) "Reheat
			 furnace" means a furnace in which metal ingots, billets, slabs, beams, blooms
			 and other similar products are heated to the temperature needed for
			 hot-working.
(36) "Research and
			 development sources" means a research or laboratory facility the primary
			 purpose of which is to conduct research and development into new processes and
			 products, that is operated under the close supervision of technically trained
			 personnel, and that is not engaged in the manufacture of products for sale or
			 exchange for commercial profit, except in a de-minimis manner.
(37) "Residual oil" means crude oil, fuel oil
			 that does not comply with the specifications under the definition of
			 "distillate oil," and all fuel oil numbers four, five, or six, as defined by
			 ASTM D396, "Standard Specification for Fuel Oils."
(38) "Rich burn engine" means an internal
			 combustion engine where the amount of oxygen in the engine exhaust gases is
			 less than one per cent, by weight.
(39) "Small boiler" means an industrial
			 boiler with a maximum heat input capacity greater than twenty mmBtu/hr and
			 equal to or less than fifty mmBtu/hr.
(40) "Space heating unit " means any fuel
			 burning equipment that is used only for space heating purposes during the
			 period from November first through March thirty-first or during other periods
			 of cold weather conditions.
(41)
			 "Spreader stoker-fired" means a boiler design where mechanical or pneumatic
			 feeders distribute coal uniformly over the surface of a moving grate.
(42) "Stand-by fuel burning equipment" means
			 any fuel burning equipment which is used only as a direct substitution for
			 other fuel burning equipment for a limited period due to unpredictable
			 breakdown or failure, or routine scheduled maintenance of such other fuel
			 burning equipment or its associated air pollution control system. Stand-by fuel
			 burning equipment includes engines that meet the definition of emergency
			 stationary internal combustion engine under 40 CFR Part 60 , Subpart IIII and
			 40 CFR Part 60 , Subpart JJJJ or the definition of emergency stationary RICE
			 under 40 CFR Part 63 , Subpart ZZZZ.
(43) "Start-up unit" means a unit operated
			 only to start up larger electric generating units.
(44) "Stationary combustion turbine" means
			 any simple cycle combustion turbine, regenerative cycle combustion turbine, or
			 any combustion turbine portion of a combined cycle steam/electric generating
			 system that is not self-propelled, but which may be mounted on a vehicle for
			 portability.
(45) "Stationary
			 internal combustion engine" means any reciprocating internal combustion engine
			 that is not self propelled, but which may be mounted on a vehicle for
			 portability.
(46)
			 "Tangential-fired" means a furnace firing design where the burners are mounted
			 at the corners of the furnace chamber.
(47) "Tune-up" means adjustments made to a
			 burner or boiler in accordance with procedures supplied by the manufacturer (or
			 approved specialist) to optimize the combustion efficiency.
(48) "Very large boiler" means an industrial
			 boiler with a maximum heat input capacity greater than two hundred fifty
			 mmBtu/hr.
(49) "Wall-fired" means a
			 furnace firing design in which the burners are mounted in an array on one or
			 more vertical walls, including:
(a) Opposed
			 firing, where the burners are mounted on two opposite walls; and
(b) Single-wall firing, where the burners are
			 mounted on only one wall.
[Comment: Wall-fired does not include cell burner
				configurations.]
(50) "Wet bottom" means a furnace design in
			 which the coal-fired unit is equipped for slag disposal with a two-stage
			 arrangement consisting of a chamber in the lower part of the furnace where the
			 slag is deposited in a liquid state onto a collection surface, and a tank,
			 containing water, into which the liquid slag is tapped.