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Virginia Administrative Code
Title 9. Environment
Agency 5. State Air Pollution Control Board
Chapter 140. Regulation for Emissions Trading Programs
9/18/2020

9VAC5-140-20. Definitions.

A. As used in this part, all words or terms not defined here shall have the meanings given them in 9VAC5-10, unless otherwise required by context.

B. For the purpose of this part and any related use, the following words or terms shall have the following meanings unless the context clearly indicates otherwise:

"Account certificate of representation" means the completed and signed submission required by Article 2 (9VAC5-140-100 et seq.) of this part for certifying the designation of a NOx authorized account representative for a NOx Budget source or a group of identified NOx Budget sources who is authorized to represent the owners and operators of such source or sources and of the NOx Budget units at such source or sources with regard to matters under the NOx Budget Program.

"Administrator" means the Administrator of the U.S. Environmental Protection Agency or the administrator's duly authorized representative.

"Automated data acquisition and handling system" or "DAHS" means that component of the CEMS, or other emissions monitoring system approved for use under Article 8 (9VAC5-140-700 et seq.) of this part, designed to interpret and convert individual output signals from pollutant concentration monitors, flow monitors, diluent gas monitors, and other component parts of the monitoring system to produce a continuous record of the measured parameters in the measurement units required by Article 8 (9VAC5-140-700 et seq.) of this part.

"Boiler" means an enclosed fossil or other fuel-fired combustion device used to produce heat and to transfer heat to recirculating water, steam, or other medium.

"CAA" means the Clean Air Act, 42 USC § 7401 et seq., as amended by P.L. No. 101-549 (November 15, 1990).

"Combined cycle system" means a system comprised of one or more combustion turbines, heat recovery steam generators, and steam turbines configured to improve overall efficiency of electricity generation or steam production.

"Combustion turbine" means an enclosed fossil or other fuel-fired device that is comprised of a compressor, a combustor, and a turbine, and in which the flue gas resulting from the combustion of fuel in the combustor passes through the turbine, rotating the turbine.

"Commence commercial operation" means, with regard to a unit that serves a generator, to have begun to produce steam, gas, or other heated medium used to generate electricity for sale or use, including test generation. Except as provided in 9VAC5-140-50, for a unit that is a NOx Budget unit under 9VAC5-140-40 on the date the unit commences commercial operation, such date shall remain the unit's date of commencement of commercial operation even if the unit is subsequently modified, reconstructed, or repowered. Except as provided in 9VAC5-140-50, for a unit that is not a NOx Budget unit under 9VAC5-140-40 on the date the unit commences commercial operation, the date the unit becomes a NOx Budget unit under 9VAC5-140-40 shall be the unit's date of commencement of commercial operation.

"Commence operation" means to have begun any mechanical, chemical, or electronic process, including, with regard to a unit, start-up of a unit's combustion chamber. Except as provided in 9VAC5-140-50, for a unit that is a NOx Budget unit under 9VAC5-140-40 on the date of commencement of operation, such date shall remain the unit's date of commencement of operation even if the unit is subsequently modified, reconstructed, or repowered. Except as provided in 9VAC5-140-50, for a unit that is not a NOx Budget unit under 9VAC5-140-40 on the date of commencement of operation, the date the unit becomes a NOx Budget unit under 9VAC5-140-40 shall be the unit's date of commencement of operation.

"Common stack" means a single flue through which emissions from two or more units are exhausted.

"Continuous emission monitoring system" or "CEMS" means the equipment required under Article 8 (9VAC5-140-700 et seq.) of this part to sample, analyze, measure, and provide, by readings taken at least once every 15 minutes of the measured parameters, a permanent record of nitrogen oxides emissions, expressed in tons per hour for nitrogen oxides. The following systems are component parts included, consistent with 40 CFR Part 75, in a continuous emission monitoring system:

1. Flow monitor;

2. Nitrogen oxides pollutant concentration monitors;

3. Diluent gas monitor (oxygen or carbon dioxide) when such monitoring is required by Article 8 (9VAC5-140-700 et seq.) of this part;

4. A continuous moisture monitor when such monitoring is required by Article 8 (9VAC5-140-700 et seq.) of this part; and

5. An automated data acquisition and handling system.

"Control period" means the period beginning May 1 of a year and ending on September 30 of the same year, inclusive, except for the calendar year 2004, the period shall begin May 31.

"Electricity for sale under firm contract to the grid" means electricity for sale where the capacity involved is intended to be available at all times during the period covered by a guaranteed commitment to deliver, even under adverse conditions.

"Emissions" means air pollutants exhausted from a unit or source into the atmosphere, as measured, recorded, and reported to the administrator by the NOx authorized account representative and as determined by the administrator in accordance with Article 8 (9VAC5-140-700 et seq.) of this part.

"Fossil fuel" means natural gas, petroleum, coal, or any form of solid, liquid, or gaseous fuel derived from such material.

"Fossil fuel-fired" means, with regard to a unit:

1. For units that commenced operation before January 1, 1996, the combustion of fossil fuel, alone or in combination with any other fuel, where fossil fuel actually combusted comprises more than 50% of the annual heat input on a Btu basis during 1995 or, if a unit had no heat input in 1995, during the last year of operation of the unit prior to 1995;

2. For units that commenced operation on or after January 1, 1996, and before January 1, 1997, the combustion of fossil fuel, alone or in combination with any other fuel, where fossil fuel actually combusted comprises more than 50% of the annual heat input on a Btu basis during 1996; or

3. For units that commence operation on or after January 1, 1997, (i) the combustion of fossil fuel, alone or in combination with any other fuel, where fossil fuel actually combusted comprises more than 50% of the annual heat input on a Btu basis during any year or (ii) the combustion of fossil fuel, alone or in combination with any other fuel, where fossil fuel is projected to comprise more than 50% of the annual heat input on a Btu basis during any year, provided that the unit shall be "fossil fuel-fired" as of the date, during such year, on which the unit begins combusting fossil fuel.

"Generator" means a device that produces electricity.

"Heat input" means the product (in mmBtu/time) of the gross calorific value of the fuel (in Btu/lb) and the fuel feed rate into a combustion device (in mass of fuel/time), as measured, recorded, and reported to the administrator by the NOx authorized account representative and as determined by the administrator in accordance with Article 8 (9VAC5-140-700 et seq.) of this part, and does not include the heat derived from preheated combustion air, recirculated flue gases, or exhaust from other sources.

"Implementation plan" means the portion or portions of the state implementation plan, or the most recent revision thereof, that has been approved in Subpart VV of 40 CFR Part 52 by the administrator under § 110 of the CAA, or promulgated under § 110(c) of the CAA, or promulgated or approved pursuant to regulations promulgated under § 301(d) of the CAA and that implements the relevant requirements of the CAA.

"Life-of-the-unit, firm power contractual arrangement" means a unit participation power sales agreement under which a utility or industrial customer reserves, or is entitled to receive, a specified amount or percentage of nameplate capacity and associated energy from any specified unit and pays its proportional amount of such unit's total costs, pursuant to a contract:

1. For the life of the unit;

2. For a cumulative term of no less than 30 years, including contracts that permit an election for early termination; or

3. For a period equal to or greater than 25 years or 70% of the economic useful life of the unit determined as of the time the unit is built, with option rights to purchase or release some portion of the nameplate capacity and associated energy generated by the unit at the end of the period.

"Maximum design heat input" means the ability of a unit to combust a stated maximum amount of fuel per hour on a steady state basis, as determined by the physical design and physical characteristics of the unit.

"Maximum potential hourly heat input" means an hourly heat input used for reporting purposes when a unit lacks certified monitors to report heat input. If the unit intends to use Appendix D of 40 CFR Part 75 to report heat input, this value should be calculated, in accordance with 40 CFR Part 75, using the maximum fuel flow rate and the maximum gross calorific value. If the unit intends to use a flow monitor and a diluent gas monitor, this value should be reported, in accordance with 40 CFR Part 75, using the maximum potential flow rate and either the maximum carbon dioxide concentration (in percent CO2) or the minimum oxygen concentration (in percent O2).

"Maximum potential NOx emission rate" means the emission rate of nitrogen oxides (in lb/mmBtu) calculated in accordance with section 3 of Appendix F of 40 CFR Part 75, using the maximum potential nitrogen oxides concentration as defined in section 2 of Appendix A of 40 CFR Part 75, and either the maximum oxygen concentration (in percent O2) or the minimum carbon dioxide concentration (in percent CO2), under all operating conditions of the unit except for unit start up, shutdown, and upsets.

"Maximum rated hourly heat input" means a unit-specific maximum hourly heat input (mmBtu) that is the higher of the manufacturer's maximum rated hourly heat input or the highest observed hourly heat input.

"Monitoring system" means any monitoring system that meets the requirements of Article 8 (9VAC5-140-700 et seq.) of this part, including a continuous emissions monitoring system, an excepted monitoring system, or an alternative monitoring system.

"Nameplate capacity" means the maximum electrical generating output (in MWe) that a generator can sustain over a specified period of time when not restricted by seasonal or other deratings as measured in accordance with the U.S. Department of Energy standards.

"NOx authorized account representative" means, for a NOx Budget source or NOx Budget unit at the source, the natural person who is authorized by the owners and operators of the source and all NOx Budget units at the source, in accordance with Article 2 (9VAC5-140-100 et seq.) of this part, to represent and legally bind each owner and operator in matters pertaining to the NOx Budget Program.

"NOx Budget permit" means the legally binding and federally enforceable written document, or portion of such document, issued by the permitting authority under this part, including any permit revisions, specifying the NOx Budget Program requirements applicable to a NOx Budget source, to each NOx Budget unit at the NOx Budget source, and to the owners and operators and the NOx authorized account representative of the NOx Budget source and each NOx Budget unit.

"NOx Budget source" means a source that includes one or more NOx Budget units.

"NOx Budget Program" means a program established in accordance with this part and approved and administered by the administrator pursuant to 40 CFR 51.121 or established by the administrator pursuant to 40 CFR 52.34.

"NOx Budget unit" means a unit that is subject to the NOx Budget program under 9VAC5-140-40.

"Operator" means any person who operates, controls, or supervises a NOx Budget unit or a NOx Budget source and shall include any holding company, utility system, or plant manager of such a unit or source.

"Owner" means any of the following persons:

1. Any holder of any portion of the legal or equitable title in a NOx Budget unit;

2. Any holder of a leasehold interest in a NOx Budget unit; or

3. Any purchaser of power from a NOx Budget unit under a life-of-the-unit, firm power contractual arrangement. However, unless expressly provided for in a leasehold agreement, owner shall not include a passive lessor, or a person who has an equitable interest through such lessor, whose rental payments are not based, either directly or indirectly, upon the revenues or income from the NOx Budget unit.

"Permitting authority" means the State Air Pollution Control Board.

"Receive" or "receipt of" means, when referring to the permitting authority or the administrator, to come into possession of a document, information, or correspondence (whether sent in writing or by authorized electronic transmission), as indicated in an official correspondence log, or by a notation made on the document, information, or correspondence, by the permitting authority or the administrator in the regular course of business.

"Reference method" means any direct test method of sampling and analyzing for an air pollutant as specified in Appendix A of 40 CFR Part 60.

"Source" means any governmental, institutional, commercial, or industrial structure, installation, plant, building, or facility that emits or has the potential to emit any regulated air pollutant under the CAA. For purposes of § 502(c) of the CAA, a "source," including a "source" with multiple units, shall be considered a single "facility."

"State" means the Commonwealth of Virginia. The term "state" shall have its conventional meaning where such meaning is clear from the context.

"State operating permit" means a permit issued under Article 5 (9VAC5-80-800 et seq.) of Part II of 9VAC5 Chapter 80.

"State operating permit regulations" means the regulations codified in Article 5 (9VAC5-80-800 et seq.) of Part II of 9VAC5 Chapter 80.

"Submit" or "serve" means to send or transmit a document, information, or correspondence to the person specified in accordance with the applicable regulation:

1. In person;

2. By United States Postal Service; or

3. By other means of dispatch or transmission and delivery. Compliance with any "submission," "service," or "mailing" deadline shall be determined by the date of dispatch, transmission, or mailing and not the date of receipt.

"Title V operating permit" means a permit issued under Article 1 (9VAC5-80-50 et seq.) or Article 3 (9VAC5-80-360 et seq.) of Part II of 9VAC5 Chapter 80.

"Title V operating permit regulations" means the regulations codified in Article 1 (9VAC5-80-50 et seq.), Article 2 (9VAC5-80-310 et seq.), Article 3 (9VAC5-80-360 et seq.), and Article 4 (9VAC5-80-710 et seq.) of Part II of 9VAC5 Chapter 80.

"Ton" or "tonnage" means any "short ton" (i.e., 2,000 pounds). Total tons for a control period shall be calculated as the sum of all recorded hourly emissions (or the tonnage equivalent of the recorded hourly emissions rates) in accordance with Article 8 (9VAC5-140-700 et seq.) of this part, with any remaining fraction of a ton equal to or greater than 0.50 ton deemed to equal one ton and any fraction of a ton less than 0.50 ton deemed to equal zero tons.

"Unit" means a fossil fuel-fired stationary boiler, combustion turbine, or combined cycle system.

"Unit operating day" means a calendar day in which a unit combusts any fuel.

"Unit operating hour" or "hour of unit operation" means any hour (or fraction of an hour) during which a unit combusts any fuel.

Statutory Authority

§§ 10.1-1308 and 10.1-1322.3 of the Code of Virginia; Clean Air Act (42 USC § 7401 et seq.); 40 CFR Part 51.

Historical Notes

Derived from Volume 18, Issue 20, eff. July 17, 2002; Errata, 18:22 VA.R. 2953 July 15, 2002; amended, Virginia Register Volume 34, Issue 05, eff. November 29, 2017.

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