30 Tex. Admin. Code § 101.1 - Definitions
Unless specifically defined in the Texas Clean Air Act (TCAA) or in the rules of the commission, the terms used by the commission have the meanings commonly ascribed to them in the field of air pollution control. In addition to the terms that are defined by the TCAA, the following terms, when used in the air quality rules in this title, have the following meanings, unless the context clearly indicates otherwise.
(1) Account--For those sources required to be
permitted under Chapter 122 of this title (relating to Federal Operating
Permits Program), all sources that are aggregated as a site. For all other
sources, any combination of sources under common ownership or control and
located on one or more contiguous properties, or properties contiguous except
for intervening roads, railroads, rights-of-way, waterways, or similar
divisions.
(2) Acid gas flare--A
flare used exclusively for the incineration of hydrogen sulfide and other
acidic gases derived from natural gas sweetening processes.
(3) Agency established facility
identification number--For the purposes of Subchapter F of this chapter
(relating to Emissions Events and Scheduled Maintenance, Startup, and Shutdown
Activities), a unique alphanumeric code required to be assigned by the owner or
operator of a regulated entity that the emission inventory reporting
requirements of §
101.10 of this title (relating to
Emissions Inventory Requirements) are applicable to each facility at that
regulated entity.
(4) Ambient
air--That portion of the atmosphere, external to buildings, to which the
general public has access.
(5)
Background--Background concentration, the level of air contaminants that cannot
be reduced by controlling emissions from man-made sources. It is determined by
measuring levels in non-urban areas.
(6) Boiler--Any combustion equipment fired
with solid, liquid, and/or gaseous fuel used to produce steam or to heat
water.
(7) Capture system--All
equipment (including, but not limited to, hoods, ducts, fans, booths, ovens,
dryers, etc.) that contains, collects, and transports an air pollutant to a
control device.
(8) Captured
facility--A manufacturing or production facility that generates an industrial
solid waste or hazardous waste that is routinely stored, processed, or disposed
of on a shared basis in an integrated waste management unit owned, operated by,
and located within a contiguous manufacturing complex.
(9) Carbon adsorber--An add-on control device
that uses activated carbon to adsorb volatile organic compounds from a gas
stream.
(10) Carbon adsorption
system--A carbon adsorber with an inlet and outlet for exhaust gases and a
system to regenerate the saturated adsorbent.
(11) Coating--A material applied onto or
impregnated into a substrate for protective, decorative, or functional
purposes. Such materials include, but are not limited to, paints, varnishes,
sealants, adhesives, thinners, diluents, inks, maskants, and temporary
protective coatings.
(12) Cold
solvent cleaning--A batch process that uses liquid solvent to remove soils from
the surfaces of parts or to dry the parts by spraying, brushing, flushing,
and/or immersion while maintaining the solvent below its boiling point. Wipe
cleaning (hand cleaning) is not included in this definition.
(13) Combustion unit--Any boiler plant,
furnace, incinerator, flare, engine, or other device or system used to oxidize
solid, liquid, or gaseous fuels, but excluding motors and engines used in
propelling land, water, and air vehicles.
(14) Combustion turbine--Any gas turbine
system that is gas and/or liquid fuel fired with or without power augmentation.
This unit is either attached to a foundation or is portable equipment operated
at a specific minor or major source for more than 90 days in any 12-month
period. Two or more gas turbines powering one shaft will be treated as one
unit.
(15) Commercial hazardous
waste management facility--Any hazardous waste management facility that accepts
hazardous waste or polychlorinated biphenyl compounds for a charge, except a
captured facility that disposes only waste generated on-site or a facility that
accepts waste only from other facilities owned or effectively controlled by the
same person.
(16) Commercial
incinerator--An incinerator used to dispose of waste material from retail and
wholesale trade establishments.
(17) Commercial medical waste incinerator--A
facility that accepts for incineration medical waste generated outside the
property boundaries of the facility.
(18) Component--A piece of equipment,
including, but not limited to, pumps, valves, compressors, and pressure relief
valves that has the potential to leak volatile organic compounds.
(19) Condensate--Liquids that result from the
cooling and/or pressure changes of produced natural gas. Once these liquids are
processed at gas plants or refineries or in any other manner, they are no
longer considered condensates.
(20)
Construction-demolition waste--Waste resulting from construction or demolition
projects.
(21) Control system or
control device--Any part, chemical, machine, equipment, contrivance, or
combination of same, used to destroy, eliminate, reduce, or control the
emission of air contaminants to the atmosphere.
(22) Conveyorized degreasing--A solvent
cleaning process that uses an automated parts handling system, typically a
conveyor, to automatically provide a continuous supply of parts to be cleaned
or dried using either cold solvent or vaporized solvent. A conveyorized
degreasing process is fully enclosed except for the conveyor inlet and exit
portals.
(23) Criteria pollutant or
standard--Any pollutant for which there is a national ambient air quality
standard established under 40 Code of Federal Regulations Part 50.
(24) Custody transfer--The transfer of
produced crude oil and/or condensate, after processing and/or treating in the
producing operations, from storage tanks or automatic transfer facilities to
pipelines or any other forms of transportation.
(25) De minimis impact--A change in ground
level concentration of an air contaminant as a result of the operation of any
new major stationary source or of the operation of any existing source that has
undergone a major modification that does not exceed the significance levels as
specified in 40 Code of Federal Regulations §51.165(b)(2).
(26) Domestic wastes--The garbage and rubbish
normally resulting from the functions of life within a residence.
(27) Emissions banking--A system for
recording emissions reduction credits so they may be used or transferred for
future use.
(28) Emissions
event--Any upset event or unscheduled maintenance, startup, or shutdown
activity, from a common cause that results in unauthorized emissions of air
contaminants from one or more emissions points at a regulated entity.
(29) Emissions reduction credit--Any
stationary source emissions reduction that has been banked in accordance with
Subchapter H, Division 1 of this chapter (relating to Emission Credit
Program).
(30) Emissions reduction
credit certificate--The certificate issued by the executive director that
indicates the amount of qualified reduction available for use as offsets and
the length of time the reduction is eligible for use.
(31) Emissions unit--Any part of a stationary
source that emits, or would have the potential to emit, any pollutant subject
to regulation under the Federal Clean Air Act.
(32) Excess opacity event--When an opacity
reading is equal to or exceeds 15 additional percentage points above an
applicable opacity limit, averaged over a six-minute period.
(33) Exempt solvent--Those carbon compounds
or mixtures of carbon compounds used as solvents that have been excluded from
the definition of volatile organic compound.
(34) External floating roof--A cover or roof
in an open top tank that rests upon or is floated upon the liquid being
contained and is equipped with a single or double seal to close the space
between the roof edge and tank shell. A double seal consists of two complete
and separate closure seals, one above the other, containing an enclosed space
between them.
(35) Federal motor
vehicle regulation--Control of Air Pollution from Motor Vehicles and Motor
Vehicle Engines, 40 Code of Federal Regulations Part 85.
(36) Federally enforceable--All limitations
and conditions that are enforceable by the United States Environmental
Protection Agency administrator, including those requirements developed under
40 Code of Federal Regulations (CFR) Parts 60 and 61; requirements within any
applicable state implementation plan (SIP); and any permit requirements
established under
40 CFR
§
52.21 or under regulations approved
under 40 CFR Part 51, Subpart 1, including operating permits issued under the
approved program that is incorporated into the SIP and that expressly requires
adherence to any permit issued under such program.
(37) Flare--An open combustion unit (i.e.,
lacking an enclosed combustion chamber) whose combustion air is provided by
uncontrolled ambient air around the flame, and that is used as a control
device. A flare may be equipped with a radiant heat shield (with or without a
refractory lining), but is not equipped with a flame air control damping system
to control the air/fuel mixture. In addition, a flare may also use auxiliary
fuel. The combustion flame may be elevated or at ground level. A vapor
combustor, as defined in this section, is not considered a flare.
(38) Fuel oil--Any oil meeting the American
Society for Testing and Materials (ASTM) specifications for fuel oil in ASTM
D396-01, Standard Specifications for Fuel Oils, revised 2001. This includes
fuel oil grades 1, 1 (Low Sulfur), 2, 2 (Low Sulfur), 4 (Light), 4, 5 (Light),
5 (Heavy), and 6.
(39) Fugitive
emission--Any gaseous or particulate contaminant entering the atmosphere that
could not reasonably pass through a stack, chimney, vent, or other functionally
equivalent opening designed to direct or control its flow.
(40) Garbage--Solid waste consisting of
putrescible animal and vegetable waste materials resulting from the handling,
preparation, cooking, and consumption of food, including waste materials from
markets, storage facilities, and handling and sale of produce and other food
products.
(41) Gasoline--Any
petroleum distillate having a Reid vapor pressure of four pounds per square
inch (27.6 kilopascals) or greater that is produced for use as a motor fuel,
and is commonly called gasoline.
(42) Greenhouse gases (GHGs)--the aggregate
group of six greenhouse gases: carbon dioxide (CO2),
nitrous oxide (N2O), methane
(CH4), hydrofluorocarbons (HFCs), perfluorocarbons
(PFCs), and sulfur hexafluoride (SF6).
(43) Hazardous wastes--Any solid waste
identified or listed as a hazardous waste by the administrator of the United
States Environmental Protection Agency under the federal Solid Waste Disposal
Act, as amended by Resource Conservation and Recovery Act,
42 United States Code, §§
6901 et seq., as amended.
(44) Heatset (used in offset lithographic
printing)--Any operation where heat is required to evaporate ink oil from the
printing ink. Hot air dryers are used to deliver the heat.
(45) High-bake coatings--Coatings designed to
cure at temperatures above 194 degrees Fahrenheit.
(46) High-volume low-pressure spray
guns--Equipment used to apply coatings by means of a spray gun that operates
between 0.1 and 10.0 pounds per square inch gauge air pressure measured at the
air cap.
(47) Incinerator--An
enclosed combustion apparatus and attachments that is used in the process of
burning wastes for the primary purpose of reducing its volume and weight by
removing the combustibles of the waste and is equipped with a flue for
conducting products of combustion to the atmosphere. Any combustion device that
burns 10% or more of solid waste on a total British thermal unit (Btu) heat
input basis averaged over any one-hour period is considered to be an
incinerator. A combustion device without instrumentation or methodology to
determine hourly flow rates of solid waste and burning 1.0% or more of solid
waste on a total Btu heat input basis averaged annually is also considered to
be an incinerator. An open-trench type (with closed ends) combustion unit may
be considered an incinerator when approved by the executive director. Devices
burning untreated wood scraps, waste wood, or sludge from the treatment of
wastewater from the process mills as a primary fuel for heat recovery are not
included under this definition. Combustion devices permitted under this title
as combustion devices other than incinerators will not be considered
incinerators for application of any rule within this title provided they are
installed and operated in compliance with the condition of all applicable
permits.
(48) Industrial boiler--A
boiler located on the site of a facility engaged in a manufacturing process
where substances are transformed into new products, including the component
parts of products, by mechanical or chemical processes.
(49) Industrial furnace--Cement kilns; lime
kilns; aggregate kilns; phosphate kilns; coke ovens; blast furnaces; smelting,
melting, or refining furnaces, including pyrometallurgical devices such as
cupolas, reverberator furnaces, sintering machines, roasters, or foundry
furnaces; titanium dioxide chloride process oxidation reactors; methane
reforming furnaces; pulping recovery furnaces; combustion devices used in the
recovery of sulfur values from spent sulfuric acid; and other devices the
commission may list.
(50)
Industrial solid waste--Solid waste resulting from, or incidental to, any
process of industry or manufacturing, or mining or agricultural operations,
classified as follows.
(A) Class 1 industrial
solid waste or Class 1 waste is any industrial solid waste designated as Class
1 by the executive director as any industrial solid waste or mixture of
industrial solid wastes that because of its concentration or physical or
chemical characteristics is toxic, corrosive, flammable, a strong sensitizer or
irritant, a generator of sudden pressure by decomposition, heat, or other
means, and may pose a substantial present or potential danger to human health
or the environment when improperly processed, stored, transported, or otherwise
managed, including hazardous industrial waste, as defined in §
335.1 and §
335.505 of this title (relating to
Definitions and Class 1 Waste Determination).
(B) Class 2 industrial solid waste is any
individual solid waste or combination of industrial solid wastes that cannot be
described as Class 1 or Class 3, as defined in §
335.506 of this title (relating to
Class 2 Waste Determination).
(C)
Class 3 industrial solid waste is any inert and essentially insoluble
industrial solid waste, including materials such as rock, brick, glass, dirt,
and certain plastics and rubber, etc., that are not readily decomposable as
defined in §
335.507 of this title (relating to
Class 3 Waste Determination).
(51) Internal floating cover--A cover or
floating roof in a fixed roof tank that rests upon or is floated upon the
liquid being contained, and is equipped with a closure seal or seals to close
the space between the cover edge and tank shell.
(52) Leak--A volatile organic compound
concentration greater than 10,000 parts per million by volume or the amount
specified by applicable rule, whichever is lower; or the dripping or exuding of
process fluid based on sight, smell, or sound.
(53) Liquid fuel--A liquid combustible
mixture, not derived from hazardous waste, with a heating value of at least
5,000 British thermal units per pound.
(54) Liquid-mounted seal--A primary seal
mounted in continuous contact with the liquid between the tank wall and the
floating roof around the circumference of the tank.
(55) Maintenance area--A geographic region of
the state previously designated nonattainment under the Federal Clean Air Act
Amendments of 1990 and subsequently redesignated to attainment subject to the
requirement to develop a maintenance plan under
42 United States Code, §
7505a, as described in 40 Code of Federal
Regulations Part 81 and in pertinent Federal Register
notices.
(56) Maintenance plan--A
revision to the applicable state implementation plan, meeting the requirements
of
42 United States Code, §
7505a.
(57) Marine vessel--Any watercraft used, or
capable of being used, as a means of transportation on water, and that is
constructed or adapted to carry, or that carries, oil, gasoline, or other
volatile organic liquid in bulk as a cargo or cargo residue.
(58) Mechanical shoe seal--A metal sheet that
is held vertically against the storage tank wall by springs or weighted levers
and is connected by braces to the floating roof. A flexible coated fabric
(envelope) spans the annular space between the metal sheet and the floating
roof.
(59) Medical waste--Waste
materials identified by the Department of State Health Services as "special
waste from health care-related facilities" and those waste materials commingled
and discarded with special waste from health care-related facilities.
(60) Metropolitan Planning Organization--That
organization designated as being responsible, together with the state, for
conducting the continuing, cooperative, and comprehensive planning process
under 23 United States Code (USC), §134 and 49 USC, § 1607.
(61) Mobile emissions reduction credit--The
credit obtained from an enforceable, permanent, quantifiable, and surplus (to
other federal and state rules) emissions reduction generated by a mobile source
as set forth in Chapter 114, Subchapter F of this title (relating to Vehicle
Retirement and Mobile Emission Reduction Credits), and that has been banked in
accordance with Subchapter H, Division 1 of this chapter (relating to Emission
Credit Program).
(62) Motor
vehicle--A self-propelled vehicle designed for transporting persons or property
on a street or highway.
(63) Motor
vehicle fuel dispensing facility--Any site where gasoline is dispensed to motor
vehicle fuel tanks from stationary storage tanks.
(64) Municipal solid waste--Solid waste
resulting from, or incidental to, municipal, community, commercial,
institutional, and recreational activities, including garbage, rubbish, ashes,
street cleanings, dead animals, abandoned automobiles, and all other solid
waste except industrial solid waste.
(65) Municipal solid waste facility--All
contiguous land, structures, other appurtenances, and improvements on the land
used for processing, storing, or disposing of solid waste. A facility may be
publicly or privately owned and may consist of several processing, storage, or
disposal operational units, e.g., one or more landfills, surface impoundments,
or combinations of them.
(66)
Municipal solid waste landfill--A discrete area of land or an excavation that
receives household waste and that is not a land application unit, surface
impoundment, injection well, or waste pile, as those terms are defined under 40
Code of Federal Regulations §257.2. A municipal solid waste landfill
(MSWLF) unit also may receive other types of Resource Conservation and Recovery
Act Subtitle D wastes, such as commercial solid waste, nonhazardous sludge,
conditionally exempt small-quantity generator waste, and industrial solid
waste. Such a landfill may be publicly or privately owned. An MSWLF unit may be
a new MSWLF unit, an existing MSWLF unit, or a lateral expansion.
(67) National ambient air quality
standard--Those standards established under
42
United States Code, §
7409, including
standards for carbon monoxide, lead, nitrogen dioxide, ozone, inhalable
particulate matter, and sulfur dioxide.
(68) Net ground-level concentration--The
concentration of an air contaminant as measured at or beyond the property
boundary minus the representative concentration flowing onto a property as
measured at any point. Where there is no expected influence of the air
contaminant flowing onto a property from other sources, the net ground level
concentration may be determined by a measurement at or beyond the property
boundary.
(69) New source--Any
stationary source, the construction or modification of which was commenced
after March 5, 1972.
(70) Nitrogen
oxides (NOx)--The sum of the nitric oxide and nitrogen
dioxide in the flue gas or emission point, collectively expressed as nitrogen
dioxide.
(71) Nonattainment area--A
defined region within the state that is designated by the United States
Environmental Protection Agency (EPA) as failing to meet the national ambient
air quality standard (NAAQS or standard) for a pollutant for which a standard
exists. The EPA will designate the area as nonattainment under the provisions
of
42 United States Code, §
7407(d). For the official
list and boundaries of nonattainment areas, see 40 Code of Federal Regulations
(CFR) Part 81 and pertinent Federal Register notices. The
designations and classifications for the one-hour ozone national ambient air
quality standard in 40 CFR Part 81 were retained for the purpose of
anti-backsliding and upon determination by the EPA that any requirement is no
longer required for purposes of anti-backsliding, then that requirement no
longer applies.
(72) Non-reportable
emissions event--Any emissions event that in any 24-hour period does not result
in an unauthorized emission from any emissions point equal to or in excess of
the reportable quantity as defined in this section.
(73) Opacity--The degree to which an emission
of air contaminants obstructs the transmission of light expressed as the
percentage of light obstructed as measured by an optical instrument or trained
observer.
(74) Open-top vapor
degreasing--A batch solvent cleaning process that is open to the air and that
uses boiling solvent to create solvent vapor used to clean or dry parts through
condensation of the hot solvent vapors on the parts.
(75) Outdoor burning--Any fire or
smoke-producing process that is not conducted in a combustion unit.
(76) Particulate matter--Any material, except
uncombined water, that exists as a solid or liquid in the atmosphere or in a
gas stream at standard conditions.
(A)
Particulate matter with diameters less than 10 micrometers
(PM10)--Particulate matter with an aerodynamic diameter
less than or equal to a nominal ten micrometers as measured by a reference
method based on 40 Code of Federal Regulations (CFR) Part 50, Appendix J, and
designated in accordance with 40 CFR Part 53, or by an equivalent method
designated with that Part 53.
(B)
Particulate matter with diameters less than 2.5 micrometers
(PM2.5)--Particulate matter with an aerodynamic diameter
less than or equal to a nominal 2.5 micrometers as measured by a reference
method based on 40 CFR Part 50, Appendix L, and designated in accordance with
40 CFR Part 53, or by an equivalent method designated with that Part
53.
(77) Particulate
matter emissions--All finely-divided solid or liquid material, other than
uncombined water, emitted to the ambient air as measured by United States
Environmental Protection Agency Reference Method 5, as specified at 40 Code of
Federal Regulations (CFR) Part 60, Appendix A, modified to include particulate
caught by an impinger train; by an equivalent or alternative method, as
specified at 40 CFR Part 51; or by a test method specified in an approved state
implementation plan.
(A) Direct PM
emissions--Solid particles emitted directly from an air emissions source or
activity, or gaseous emissions or liquid droplets from an air emissions source
or activity which condense to form particulate matter at ambient temperatures.
Direct 2.5 micrometers (PM2.5) emissions include
elemental carbon, directly emitted organic carbon, directly emitted sulfate,
directly emitted nitrate, and other inorganic particles (including but not
limited to crustal materials, metals, and sea salt).
(B) Secondary PM emissions--Those air
pollutants other than PM2.5 direct emissions that
contribute to the formation of PM2.5.
PM2.5 precursors include sulfur dioxide
(SO2), nitrogen oxides (NOx),
volatile organic compounds, and ammonia.
(78) Petroleum refinery--Any facility engaged
in producing gasoline, kerosene, distillate fuel oils, residual fuel oils,
lubricants, or other products through distillation of crude oil, or through the
redistillation, cracking, extraction, reforming, or other processing of
unfinished petroleum derivatives.
(79) PM2.5
emissions--Finely-divided solid or liquid material with an aerodynamic diameter
less than or equal to a nominal 2.5 micrometers emitted to the ambient air as
measured by an applicable reference method, or an equivalent or alternative
method specified in 40 Code of Federal Regulations Part 51, or by a test method
approved under a state implementation plan or under a United States
Environmental Protection Agency delegation or approval.
(80) PM10
emissions--Finely-divided solid or liquid material with an aerodynamic diameter
less than or equal to a nominal ten micrometers emitted to the ambient air as
measured by an applicable reference method, or an equivalent or alternative
method specified in 40 Code of Federal Regulations Part 51, or by a test method
specified in an approved state implementation plan.
(81) Polychlorinated biphenyl compound--A
compound subject to 40 Code of Federal Regulations Part 761.
(82) Process or processes--Any action,
operation, or treatment embracing chemical, commercial, industrial, or
manufacturing factors such as combustion units, kilns, stills, dryers,
roasters, and equipment used in connection therewith, and all other methods or
forms of manufacturing or processing that may emit smoke, particulate matter,
gaseous matter, or visible emissions.
(83) Process weight per hour--"Process
weight" is the total weight of all materials introduced or recirculated into
any specific process that may cause any discharge of air contaminants into the
atmosphere. Solid fuels charged into the process will be considered as part of
the process weight, but liquid and gaseous fuels and combustion air will not.
The "process weight per hour" will be derived by dividing the total process
weight by the number of hours in one complete operation from the beginning of
any given process to the completion thereof, excluding any time during that the
equipment used to conduct the process is idle. For continuous operation, the
"process weight per hour" will be derived by dividing the total process weight
for a 24-hour period by 24.
(84)
Property--All land under common control or ownership coupled with all
improvements on such land, and all fixed or movable objects on such land, or
any vessel on the waters of this state.
(85) Reasonable further progress--Annual
incremental reductions in emissions of the applicable air contaminant that are
sufficient to provide for attainment of the applicable national ambient air
quality standard in the designated nonattainment areas by the date required in
the state implementation plan.
(86)
Regulated entity--All regulated units, facilities, equipment, structures, or
sources at one street address or location that are owned or operated by the
same person. The term includes any property under common ownership or control
identified in a permit or used in conjunction with the regulated activity at
the same street address or location. Owners or operators of pipelines,
gathering lines, and flowlines under common ownership or control in a
particular county may be treated as a single regulated entity for purposes of
assessment and regulation of emissions events.
(87) Remote reservoir cold solvent
cleaning--Any cold solvent cleaning operation in which liquid solvent is pumped
to a sink-like work area that drains solvent back into an enclosed container
while parts are being cleaned, allowing no solvent to pool in the work
area.
(88) Reportable emissions
event--Any emissions event that in any 24-hour period, results in an
unauthorized emission from any emissions point equal to or in excess of the
reportable quantity as defined in this section.
(89) Reportable quantity (RQ)--Is as follows:
(A) for individual air contaminant compounds
and specifically listed mixtures by name or Chemical Abstracts Service (CAS)
number, either:
(i) the lowest of the
quantities:
(I) listed in 40 Code of Federal
Regulations (CFR) Part 302, Table 302.4, the column "final RQ";
(II) listed in 40 CFR Part 355, Appendix A,
the column "Reportable Quantity"; or
(III) listed as follows:
(-a-) acetaldehyde - 1,000 pounds, except in
the Houston-Galveston-Brazoria (HGB) and Beaumont-Port Arthur (BPA) ozone
nonattainment areas as defined in paragraph (71) of this section, where the RQ
must be 100 pounds;
(-b-) butanes
(any isomer) - 5,000 pounds;
(-c-)
butenes (any isomer, except 1,3-butadiene) - 5,000 pounds, except in the HGB
and BPA ozone nonattainment areas as defined in paragraph (71) of this section,
where the RQ must be 100 pounds;
(-d-) carbon monoxide - 5,000
pounds;
(-e-)
1-chloro-1,1-difluoroethane (HCFC-142b) - 5,000 pounds;
(-f-) chlorodifluoromethane (HCFC-22) - 5,000
pounds;
(-g-)
1-chloro-1-fluoroethane (HCFC-151a) - 5,000 pounds;
(-h-) chlorofluoromethane (HCFC-31) - 5,000
pounds;
(-i-)
chloropentafluoroethane (CFC-115) - 5,000 pounds;
(-j-) 2-chloro-1,1,1,2-tetrafluoroethane
(HCFC-124) - 5,000 pounds;
(-k-)
1-chloro-1,1,2,2 tetrafluoroethane (HCFC-124a) - 5,000 pounds;
(-l-) 1,1,1,2,3,4,4,5,5,5-decafluoropentane
(HFC 43-10mee) - 5,000 pounds;
(-m-) decanes (any isomer) - 5,000
pounds;
(-n-)
1,1-dichloro-1-fluoroethane (HCFC-141b) - 5,000 pounds;
(-o-) 3,3-dichloro-1,1,2,2-pentafluoropropane
(HCFC-225ca) - 5,000 pounds;
(-p-)
1,3-dichloro-1,1,2,2,3-pentafluoropropane (HCFC-225cb) - 5,000
pounds;
(-q-)
1,2-dichloro-1,1,2,2-tetrafluoroethane (CFC-114) - 5,000 pounds;
(-r-) 1,1-dichlorotetrafluoroethane
(CFC-114a) - 5,000 pounds;
(-s-)
1,2-dichloro-1,1,2-trifluoroethane (HCFC-123a) - 5,000 pounds;
(-t-) 1,1-difluoroethane (HFC-152a) - 5,000
pounds;
(-u-) difluoromethane
(HFC-32) - 5,000 pounds;
(-v-)
ethanol - 5,000 pounds;
(-w-)
ethylene - 5,000 pounds, except in the HGB and BPA ozone nonattainment areas as
defined in paragraph (71) of this section, where the RQ must be 100
pounds;
(-x-) ethylfluoride
(HFC-161) - 5,000 pounds;
(-y-)
1,1,1,2,3,3,3-heptafluoropropane (HFC-227ea) - 5,000 pounds;
(-z-) 1,1,1,3,3,3-hexafluoropropane
(HFC-236fa) - 5,000 pounds;
(-aa-)
1,1,1,2,3,3-hexafluoropropane (HFC-236ea) - 5,000 pounds;
(-bb-) hexanes (any isomer) - 5,000
pounds;
(-cc-) isopropyl alcohol -
5,000 pounds;
(-dd-) mineral
spirits - 5,000 pounds;
(-ee-)
octanes (any isomer) - 5,000 pounds;
(-ff-) oxides of nitrogen - 200 pounds in
ozone nonattainment, ozone maintenance, early action compact areas, Nueces
County, and San Patricio County, and 5,000 pounds in all other areas of the
state, which should be used instead of the RQs for nitrogen oxide and nitrogen
dioxide provided in 40 CFR Part 302, Table 302.4, the column "final
RQ";
(-gg-) pentachlorofluoroethane
(CFC-111) - 5,000 pounds;
(-hh-)
1,1,1,3,3-pentafluorobutane (HFC-365mfc) - 5,000 pounds;
(-ii-) pentafluoroethane (HFC-125) - 5,000
pounds;
(-jj-)
1,1,2,2,3-pentafluoropropane (HFC-245ca) - 5,000 pounds;
(-kk-) 1,1,2,3,3-pentafluoropropane
(HFC-245ea) - 5,000 pounds;
(-ll-)
1,1,1,2,3-pentafluoropropane (HFC-245eb) - 5,000 pounds;
(-mm-) 1,1,1,3,3-pentafluoropropane
(HFC-245fa) - 5,000 pounds;
(-nn-)
pentanes (any isomer) - 5,000 pounds;
(-oo-) propane - 5,000 pounds;
(-pp-) propylene - 5,000 pounds, except in
the HGB and BPA ozone nonattainment areas as defined in paragraph (71) of this
section, where the RQ must be 100 pounds;
(-qq-) 1,1,2,2-terachlorodifluoroethane
(CFC-112) - 5,000 pounds;
(-rr-)
1,1,1,2-tetrachlorodifluoroethane (CFC-112a) - 5,000 pounds;
(-ss-) 1,1,2,2-tetrafluoroethane (HFC-134) -
5,000 pounds;
(-tt-)
1,1,1,2-tetrafluoroethane (HFC-134a) - 5,000 pounds;
(-uu-) 1,1,2-trichloro-1,2,2-trifluoroethane
(CFC-113) - 5,000 pounds;
(-vv-)
1,1,1-trichloro-2,2,2-trilfloroethane (CFC-113a) - 5,000 pounds;
(-ww-) 1,1,1-trifluoro-2,2-dichloroethane
(HCFC-123) - 5,000 pounds;
(-xx-)
1,1,1-trifluoroethane (HFC-143a) - 5,000 pounds;
(-yy-) trifluoromethane (HFC-23) - 5,000
pounds;
(-zz-) toluene - 1,000
pounds, except in the HGB and BPA ozone nonattainment areas as defined in
paragraph (71) of this section, where the RQ must be 100 pounds; or
(-aaa-) 3-Pentanone,
1,1,1,2,2,4,5,5,5-nonafluoro-4-(trifluoromethyl)-, CAS No. 756-13-8, or C6
fluoroketone - 5,000 pounds;
(ii) if not listed in clause (i) of this
subparagraph, 100 pounds;
(iii) for
greenhouse gases, individually or collectively, there is no reportable
quantity, except for the specific individual air contaminant compounds listed
in this paragraph;
(B)
for mixtures of air contaminant compounds:
(i) where the relative amount of individual
air contaminant compounds is known through common process knowledge or prior
engineering analysis or testing, any amount of an individual air contaminant
compound that equals or exceeds the amount specified in subparagraph (A) of
this paragraph;
(ii) where the
relative amount of individual air contaminant compounds in subparagraph (A)(i)
of this paragraph is not known, any amount of the mixture that equals or
exceeds the amount for any single air contaminant compound that is present in
the mixture and listed in subparagraph (A)(i) of this paragraph;
(iii) where each of the individual air
contaminant compounds listed in subparagraph (A)(i) of this paragraph are known
to be less than 0.02% by weight of the mixture, and each of the other
individual air contaminant compounds covered by subparagraph (A)(ii) of this
paragraph are known to be less than 2.0% by weight of the mixture, any total
amount of the mixture of air contaminant compounds greater than or equal to
5,000 pounds; or
(iv) where natural
gas excluding carbon dioxide, water, nitrogen, methane, ethane, noble gases,
hydrogen, and oxygen or air emissions from crude oil are known to be in an
amount greater than or equal to 5,000 pounds or the associated hydrogen sulfide
and mercaptans in a total amount greater than 100 pounds, whichever occurs
first;
(C) for opacity
from boilers and combustion turbines as defined in this section fueled by
natural gas, coal, lignite, wood, fuel oil containing hazardous air pollutants
at a concentration of less than 0.02% by weight, opacity that is equal to or
exceeds 15 additional percentage points above the applicable limit, averaged
over a six-minute period. Opacity is the only RQ applicable to boilers and
combustion turbines described in this paragraph; or
(D) for facilities where air contaminant
compounds are measured directly by a continuous emission monitoring system
providing updated readings at a minimum 15-minute interval an amount, approved
by the executive director based on any relevant conditions and a screening
model, that would be reported prior to ground level concentrations reaching at
any distance beyond the closest regulated entity property line:
(i) less than one-half of any applicable
ambient air standards; and
(ii)
less than two times the concentration of applicable air emission
limitations.
(90) Rubbish--Nonputrescible solid waste,
consisting of both combustible and noncombustible waste materials. Combustible
rubbish includes paper, rags, cartons, wood, excelsior, furniture, rubber,
plastics, yard trimmings, leaves, and similar materials. Noncombustible rubbish
includes glass, crockery, tin cans, aluminum cans, metal furniture, and like
materials that will not burn at ordinary incinerator temperatures (1,600
degrees Fahrenheit to 1,800 degrees Fahrenheit).
(91) Scheduled maintenance, startup, or
shutdown activity--For activities with unauthorized emissions that are expected
to exceed a reportable quantity (RQ), a scheduled maintenance, startup, or
shutdown activity is an activity that the owner or operator of the regulated
entity whether performing or otherwise affected by the activity, provides prior
notice and a final report as required by §
101.211 of this title (relating to
Scheduled Maintenance, Startup, and Shutdown Reporting and Recordkeeping
Requirements); the notice or final report includes the information required in
§
101.211 of this title; and the
actual unauthorized emissions from the activity do not exceed the emissions
estimates submitted in the initial notification by more than an RQ. For
activities with unauthorized emissions that are not expected to, and do not,
exceed an RQ, a scheduled maintenance, startup, or shutdown activity is one
that is recorded as required by §
101.211 of this title. Expected
excess opacity events as described in §
101.201(e) of
this title (relating to Emissions Event Reporting and Recordkeeping
Requirements) resulting from scheduled maintenance, startup, or shutdown
activities are those that provide prior notice (if required), and are recorded
and reported as required by §
101.211 of this title.
(92) Sludge--Any solid or semi-solid, or
liquid waste generated from a municipal, commercial, or industrial wastewater
treatment plant; water supply treatment plant, exclusive of the treated
effluent from a wastewater treatment plant; or air pollution control
equipment.
(93) Smoke--Small
gas-born particles resulting from incomplete combustion consisting
predominately of carbon and other combustible material and present in
sufficient quantity to be visible.
(94) Solid waste--Garbage, rubbish, refuse,
sludge from a waste water treatment plant, water supply treatment plant, or air
pollution control equipment, and other discarded material, including solid,
liquid, semisolid, or containerized gaseous material resulting from industrial,
municipal, commercial, mining, and agricultural operations and from community
and institutional activities. The term does not include:
(A) solid or dissolved material in domestic
sewage, or solid or dissolved material in irrigation return flows, or
industrial discharges subject to regulation by permit issued under the Texas
Water Code, Chapter 26;
(B) soil,
dirt, rock, sand, and other natural or man-made inert solid materials used to
fill land, if the object of the fill is to make the land suitable for the
construction of surface improvements; or
(C) waste materials that result from
activities associated with the exploration, development, or production of oil
or gas, or geothermal resources, and other substance or material regulated by
the Railroad Commission of Texas under Texas Natural Resources Code, §
91.101, unless
the waste, substance, or material results from activities associated with
gasoline plants, natural gas liquids processing plants, pressure maintenance
plants, or repressurizing plants and is hazardous waste as defined by the
administrator of the United States Environmental Protection Agency under the
federal Solid Waste Disposal Act, as amended by Resource Conservation and
Recovery Act, as amended (42 United States Code, §§
6901 et seq.).
(95) Sour crude--A crude oil that will emit a
sour gas when in equilibrium at atmospheric pressure.
(96) Sour gas--Any natural gas containing
more than 1.5 grains of hydrogen sulfide per 100 cubic feet, or more than 30
grains of total sulfur per 100 cubic feet.
(97) Source--A point of origin of air
contaminants, whether privately or publicly owned or operated. Upon request of
a source owner, the executive director shall determine whether multiple
processes emitting air contaminants from a single point of emission will be
treated as a single source or as multiple sources.
(98) Special waste from health care-related
facilities--A solid waste that if improperly treated or handled, may serve to
transmit infectious disease(s) and that is comprised of the following: animal
waste, bulk blood and blood products, microbiological waste, pathological
waste, and sharps.
(99) Standard
conditions--A condition at a temperature of 68 degrees Fahrenheit (20 degrees
Centigrade) and a pressure of 14.7 pounds per square inch absolute (101.3
kiloPascals).
(100) Standard
metropolitan statistical area--An area consisting of a county or one or more
contiguous counties that is officially so designated by the United States
Bureau of the Budget.
(101)
Submerged fill pipe--A fill pipe that extends from the top of a tank to have a
maximum clearance of six inches (15.2 centimeters) from the bottom or, when
applied to a tank that is loaded from the side, that has a discharge opening
entirely submerged when the pipe used to withdraw liquid from the tank can no
longer withdraw liquid in normal operation.
(102) Sulfur compounds--All inorganic or
organic chemicals having an atom or atoms of sulfur in their chemical
structure.
(103) Sulfuric acid
mist/sulfuric acid--Emissions of sulfuric acid mist and sulfuric acid are
considered to be the same air contaminant calculated as
H2SO4 and must include sulfuric
acid liquid mist, sulfur trioxide, and sulfuric acid vapor as measured by Test
Method 8 in 40 Code of Federal Regulations Part 60, Appendix A.
(104) Sweet crude oil and gas--Those crude
petroleum hydrocarbons that are not "sour" as defined in this
section.
(105) Total suspended
particulate--Particulate matter as measured by the method described in 40 Code
of Federal Regulations Part 50, Appendix B.
(106) Transfer efficiency--The amount of
coating solids deposited onto the surface or a part of product divided by the
total amount of coating solids delivered to the coating application
system.
(107) True vapor
pressure--The absolute aggregate partial vapor pressure, measured in pounds per
square inch absolute, of all volatile organic compounds at the temperature of
storage, handling, or processing.
(108) Unauthorized emissions--Emissions of
any air contaminant except water, nitrogen, ethane, noble gases, hydrogen, and
oxygen that exceed any air emission limitation in a permit, rule, or order of
the commission or as authorized by Texas Health and Safety Code, §
382.0518(g).
(109) Unplanned maintenance, startup, or
shutdown activity--For activities with unauthorized emissions that are expected
to exceed a reportable quantity or with excess opacity, an unplanned
maintenance, startup, or shutdown activity is:
(A) a startup or shutdown that was not part
of normal or routine facility operations, is unpredictable as to timing, and is
not the type of event normally authorized by permit; or
(B) a maintenance activity that arises from
sudden and unforeseeable events beyond the control of the operator that
requires the immediate corrective action to minimize or avoid an upset or
malfunction.
(110) Upset
event--An unplanned and unavoidable breakdown or excursion of a process or
operation that results in unauthorized emissions. A maintenance, startup, or
shutdown activity that was reported under §
101.211 of this title (relating to
Scheduled Maintenance, Startup, and Shutdown Reporting and Recordkeeping
Requirements), but had emissions that exceeded the reported amount by more than
a reportable quantity due to an unplanned and unavoidable breakdown or
excursion of a process or operation is an upset event.
(111) Utility boiler--A boiler used to
produce electric power, steam, or heated or cooled air, or other gases or
fluids for sale.
(112) Vapor
combustor--A partially enclosed combustion device used to destroy volatile
organic compounds by smokeless combustion without extracting energy in the form
of process heat or steam. The combustion flame may be partially visible, but at
no time does the device operate with an uncontrolled flame. Auxiliary fuel
and/or a flame air control damping system that can operate at all times to
control the air/fuel mixture to the combustor's flame zone, may be required to
ensure smokeless combustion during operation.
(113) Vapor-mounted seal--A primary seal
mounted so there is an annular space underneath the seal. The annular vapor
space is bounded by the bottom of the primary seal, the tank wall, the liquid
surface, and the floating roof or cover.
(114) Vent--Any duct, stack, chimney, flue,
conduit, or other device used to conduct air contaminants into the
atmosphere.
(115) Visible
emissions--Particulate or gaseous matter that can be detected by the human eye.
The radiant energy from an open flame is not considered a visible emission
under this definition.
(116)
Volatile organic compound--As defined in 40 Code of Federal Regulations
§51.100(s), except §51.100(s)(2) - (4), as amended on March 27, 2014
(79 FR 17037).
(117) Volatile
organic compound (VOC) water separator--Any tank, box, sump, or other container
in which any VOC, floating on or contained in water entering such tank, box,
sump, or other container, is physically separated and removed from such water
prior to outfall, drainage, or recovery of such water.
Notes
State regulations are updated quarterly; we currently have two versions available. Below is a comparison between our most recent version and the prior quarterly release. More comparison features will be added as we have more versions to compare.
No prior version found.