For the purpose of this chapter, the following definitions
(1) "Actual emissions" means
the quantity of volatile organic compounds (VOC's) emitted from a source during
a particular time period.
"Ambient air" means that portion of the atmosphere, external to buildings, to
which the general public has access.
(3) "As applied" means including dilution
solvents added before application of the coating.
(4) "Automobile" means a motor vehicle
capable of carrying no more than 12 passengers.
(5) "Bulk gasoline plant" means a gasoline
storage and distribution facility, other than a bulk gasoline terminal or a
gasoline dispensing facility.
"Bulk gasoline terminal" means a gasoline storage facility that receives
gasoline from refineries, delivers gasoline to bulk gasoline plants or to
commercial or retail accounts, and has a daily throughput of more than 76,000 L
(20,000 gal) of gasoline on a 30-day rolling average.
(7) "Capture efficiency" means the weight per
unit time of VOC entering a capture system and delivered to a control device
divided by the weight per unit time of total VOC generated by a source of VOC,
expressed as a percentage.
"Capture system" means 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.
(9) "Carbon adsorber" means a control device
which uses activated carbon to adsorb volatile organic compounds from a gas
(10) "Carbon adsorption
system" means a carbon adsorber with an inlet and outlet for exhaust gases and
a system to regenerate the saturated adsorbent.
(11) "Coating" means 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, maskants, and temporary protective coatings.
(12) "Coating line" means a series of one or
more coating applicators and any associated drying area and/or oven wherein a
coating is applied, dried, and/or cured. A coating line ends at the point where
the coating is dried or cured, or prior to any subsequent application of a
different coating. It is not necessary to have an oven or a flashoff area in
order to be included in this definition. This definition does not apply to web
(13) "Complying coating"
means a coating which satisfies the VOC content or emission standard or
formulation standard, as applied, specified in this chapter for its
(14) "Complying ink" means an
ink which satisfies the VOC content or emission standard or formulation
standard, as applied, specified in this chapter for its use.
(15) "Condensate" means volatile organic
compound (VOC) liquid, separated from natural gas, that condenses due to
changes in temperature and/or pressure and remains liquid at standard
(16) "Condenser" means
any heat transfer device used to liquify vapors by removing their latent heats
of vaporization. Such devices include, but are not limited to, shell and tube,
coil, surface, or contact condensers.
(17) "Construction" means on-site
fabrication, erection, or installation of a source, air pollution control or
monitoring equipment, or a facility.
(18) "Continuous vapor control system" means
a vapor control system that treats vapors displaced from tanks during filling
on a demand basis without intermediate accumulation.
(19) "Control device" means equipment (such
as an incinerator or carbon adsorber) used to reduce, by destruction or
removal, the amount of air pollutant(s) in an air stream prior to discharge to
the ambient air.
system" means a combination of one or more capture system(s) and control
device(s) working in concert to reduce discharges of pollutants to the ambient
(21) "Crude oil" means a
naturally occurring mixture that consists of hydrocarbons and/or sulfur,
nitrogen, and/or oxygen derivatives of hydrocarbons and that is liquid at
means a period of 24 consecutive hours beginning at midnight local time, or
beginning at a time consistent with a facility's operating schedule.
(23) "Destruction or removal efficiency"
means the amount of VOC destroyed or removed by a control device expressed as a
percent of the total amount of VOC entering the device.
(24) "Double block-and-bleed system" means
two block valves connected in series with a bleed valve or line that can vent
the line between the two block valves.
(25) "Emission" means the release or
discharge, at the facility, whether directly or indirectly, of VOC into the
(27) "External floating
roof" means a cover over an open-top storage tank consisting of a double deck
or pontoon single deck that rests upon and is supported by the volatile organic
liquid being contained and is equipped with a closure seal or seals to close
the space between the roof edge and tank shell.
(28) "Facility" means any source or group of
sources located within a contiguous area, and under common control.
(29) "First attempt at repair" means to take
rapid action for the purpose of stopping or reducing leakage of organic
material to the atmosphere using best practices.
(30) "Flashoff area" means the space between
the coating application area and the oven.
(31) "Gasoline" means any petroleum
distillate or petroleum distillate/alcohol blend having a Reid vapor pressure
of 27.6 kilopascals (kPa) (8.15 inches of mercury [in. Hg]) or greater that is
used as a fuel for internal combustion engines.
(32) "Gasoline dispensing facility" means any
site where gasoline is transferred from a stationary storage tank to a motor
vehicle gasoline fuel tank.
"Gasoline tank truck" means a delivery tank truck used at bulk gasoline plants,
bulk gasoline terminals, or gasoline dispensing facilities that is loading or
unloading gasoline or that has loaded or unloaded gasoline on the immediately
(34) "Graphic arts"
means an industry encompassing printing operations based on letterpress, offset
lithography, screen, rotogravure, and flexography.
(35) "Heavy-duty truck" means any motor
vehicle rated at more than 3,864 kg (8,500 lb) gross weight designed primarily
to transport property.
"Incinerator" means a combustion apparatus in which solid, semisolid, liquid,
or gaseous combustible wastes are ignited and burned and from which the solid
and gaseous residues contain little or no combustible material.
(37) "Ink" means a fluid composition
consisting of colorant to provide optical contrast with a substrate, film
formers to provide adhesion to the substrate, oils and/or solvents to provide
fluidity and drying, and other functional additives.
(38) "Intermittent vapor control system"
means a vapor control system that employs an intermediate vapor holder to
accumulate vapors displaced from tanks during filling. The control device
treats the accumulated vapors only during automatically controlled
(39) "Knife coating" means
the application of a coating material to a substrate by means of drawing the
substrate beneath a knife that spreads the coating evenly over the full width
of the substrate.
(40) "Leak" means
a VOC emission indicated by an instrument calibrated according to Method 21
using zero air (less than 10 parts per million [ppm] of hydrocarbon in air) and
a mixture of methane or n-hexane and air at a concentration of about, but less
than, 10,000 ppm methane or n-hexane; by dripping liquid; or by calibrated
(41) "Lease custody
transfer" means the transfer of produced crude oil condensate, after processing
and/or treating in the producing operations, from storage tanks or automatic
transfer facilities to pipelines or any other forms of
truck" means any motor vehicle rated at 3,864 kg (8,500 lb) gross weight or
less designed primarily to transport property.
(43) "Loading rack" means an aggregation or
combination of gasoline loading equipment arranged so that all loading outlets
in the combination can be connected to a tank truck or trailer parked in a
specified loading space.
"Lower explosive limit" (also denoted as LEL) means the concentration of a
compound in air below which a flame will not propagate if the mixture is
(45) "Maximum theoretical
emissions" means the quantity of VOC that theoretically could be emitted by a
source without control devices based on the design capacity or maximum
production capacity of the source and 8,760 hours of operation per year. The
design capacity or maximum production capacity includes use of materials with
the highest VOC content used in practice by the source for the 2 years
preceding April 22, 1993, and anytime after.
"Maximum true vapor pressure" means the
equilibrium partial pressure exerted by a stored volatile organic liquid at the
temperature equal to:
(1) for liquids stored
above or below the ambient temperature, the highest calendar-month average of
the liquid storage temperature, or
for liquids stored at the ambient
temperature, the local maximum monthly average temperature as reported by the
National Weather Service. This pressure shall be determined:
(a) In accordance with methods described in
American Petroleum Institute Bulletin 2517, "Evaporation Loss From External
Floating Roof Tanks;" (1962);
By using standard reference texts;
(c) By ASTM D2879-83; or
(d) By any other method approved as a
revision to the State Implementation Plan.
(47) "Multicomponent coating" means a coating
packaged in two or more parts, which parts are combined before application, and
where a coreactant from one part of the coating chemically reacts, at ambient
conditions, with a coreactant from another part of the coating.
(48) "Open-ended valve or line" means any
valve, except safety relief valves, having one side of the valve seat in
contact with process fluid and one side open to the atmosphere, either directly
or through open piping.
"Operation" means an activity. For example, a prime coat operation is the
activity of applying a prime coat.
(50) "Organic compound" means a chemical
compound of carbon excluding carbon monoxide, carbon dioxide, carbonic acid,
metallic carbides or carbonates, and ammonium carbonate.
(51) "Oven" means a chamber which is used to
bake, cure, polymerize, and/or dry a coating.
(52) "Overall emission reduction efficiency"
means the weight per unit time of VOC removed or destroyed by a control device
divided by the weight per unit time of VOC generated by a source, expressed as
a percentage. The overall emission reduction efficiency can also be calculated
as the product of the capture efficiency and the control device destruction or
(53) "Owner or
operator" means any person who owns, leases, controls, operates, or supervises
a facility, existing source, new source, or control device.
(54) "Person" means any individual,
partnership, copartnership, firm, company, corporation, association, joint
stock company, trust, estate, state government, the federal government,
political subdivision, or any other legal entity, or their legal
representative, agent, or assigns.
(55) "Petroleum" means crude oil and the oils
derived from tar sands, shale, and coal.
(56) "Petroleum liquid" means crude oil,
condensate, and any finished or intermediate product manufactured or extracted
at a petroleum refinery, but not including Nos. 2 through 6 fuel oils as
specified in ASTM D396-78; gas turbine fuel oils Nos. 2-GT through 4-GT as
specified in ASTM D2880-78; or diesel fuel oils Nos. 2-d and 4-D, as specified
in ASTM D975-78.
refinery" means any facility engaged in producing gasoline, kerosene,
distillate fuel oils, residual fuel oils, lubricants, or other products through
distillation of petroleum or through the redistillation, cracking, or reforming
of unfinished petroleum derivatives.
(58) "Plastisol" means a coating made of a
mixture of finely divided resin and a plasticizer. Plastisol is applied as a
thick gel that solidifies when heated.
(59) "Potential VOC emissions" means the
maximum capacity to emit, without add-on emission controls, according to
physical and operational design. Any physical or operational limitation, except
concerning add-on emission controls, on the capacity to emit shall be treated
as part of operational design for the purpose of determining potential
emissions if the limitation is enforceable by the Administrator of the EPA and
the Technical Secretary, including those under this Division 1200-03, the State
Implementation Plan, and permit conditions established pursuant to Chapter
(60) "Pressure release"
means the emission of materials resulting from system pressure being greater
than set pressure of the pressure relief device.
(61) "Prime coat" means the first of two or
more coatings applied to a surface.
(62) "Printing" means the mechanical process
used to reproduce images, patterns, and text through the transfer of ink to a
(63) "Printing press"
means equipment used to apply words, pictures, or graphic designs to either a
continuous substrate or a sheet. A continuous substrate consists of paper,
plastic, or other material that is unwound from a roll, passed through coating
or ink applicators and any associated drying areas. The press includes all
coating and ink applicators, including applicators which apply coatings
uniformly across the substrate, and drying areas between unwind and final
drying of the continuous substrate. A sheet consists of paper, plastic, or
other material that is conveyed through the process. The press includes all
coating and ink applicators and drying operations between the time that the
sheet is put into the press until it is taken off.
(64) "Process unit" means equipment assembled
for the extraction of natural gas liquids from field gas, the fractionation of
the liquids into natural gas products, or other operations associated with the
processing of natural gas products. A process unit can operate independently if
supplied with sufficient feed or raw materials and sufficient storage
facilities for the products.
"Process unit shutdown" means a work practice or operational procedure that
stops production from a process unit or part of a process unit. An unscheduled
work practice or operational procedure that stops production from a process
unit or part of a process unit for less than 24 hours is not a process unit
shutdown. The use of spare equipment and technically feasible bypassing of
equipment without stopping production are not process unit shutdowns.
(66) "Reference Method" means the method of
sampling or analyzing described in Appendix A of 40 C.F.R. 60 as of July 1,
(67) "Reid vapor pressure"
means the absolute vapor pressure of volatile crude oil and volatile
non-viscous petroleum liquids, except liquified petroleum gases, as determined
by ASTM D323-89.
means that equipment is adjusted, or otherwise altered, in order to eliminate a
leak as indicated by one of the following: a calibrated instrument reading of
10,000 parts per million (ppm) or greater, indication of liquids dripping, or
indication by a calibrated sensor that a seal or barrier fluid system has
(69) "Roll coating" means
the application of a coating material to a moving substrate by means of hard
rubber, elastomeric, or metal rolls.
(70) "Rotogravure coating" means the
application of a coating material to a substrate by means of a roll coating
technique in which the pattern to be applied is recessed relative to the
non-image area, and the coating material is picked up in these recessed areas
and is transferred to the substrate.
(71) "Shutdown" means the cessation of
operation of a facility or of its emission control or emission monitoring
(72) "Solvent" means a
substance that is liquid at standard conditions and is used to dissolve or
dilute another substance; this term includes, but is not limited to, organic
materials used as dissolvers, viscosity reducers, degreasing agents, or
means any building, structure, equipment, or installation that releases or
discharges, or has the potential to release or discharge, VOC's into the
conditions" means a temperature of 20 C (68 F) and pressure of 760 mm Hg (29.92
in. Hg) .
(75) "Startup" means the
setting in operation of a source or of its emission control or emission
"Submerged fill" means the method of filling a delivery vessel or storage
vessel where product enters within 150 millimeters (mm) (5.9 inches [in]) of
the bottom of the delivery or storage vessel. Bottom filling of delivery and
storage vessels is included in this definition.
(77) "Substrate" means the surface onto which
a coating is applied or into which a coating is impregnated.
(78) "Technical Secretary" means the
Technical Secretary or his authorized representative.
(79) "Topcoat" means the final coating(s), as
applied, in a multiple-coat operation.
(80) "Truck" means any motor vehicle designed
primarily to transport property.
(81) "True vapor pressure" means the
equilibrium partial pressure exerted by a volatile organic liquid as determined
in accordance with methods described in American Petroleum Institute Bulletin
2517, "Evaporation Loss From Floating Roof Tanks," second edition, February
(82) "Vapor balance system"
means a closed system that causes, by displacement during transfer of gasoline,
the transfer of gasoline vapors from a tank being loaded to the tank being
(83) "Vapor collection
system" means all piping, seals, hoses, connections, pressure-vacuum vents, and
other equipment between a gasoline tank truck and a vapor processing unit
and/or a storage tank and vapor holder.
(84) "Vapor control system" means a system
that limits or prevents release to the ambient air of vapors displaced from a
tank during the transfer of gasoline.
(85) "Vapor recovery system" means a vapor
gathering system capable of collecting VOC vapors generated during the
operation of any transfer, storage, or process equipment.
(86) "Vapor-tight" means equipment that
allows no excessive loss of vapors. Compliance with vapor-tight requirements
can be determined by checking to ensure that the concentration at a potential
leak source is not equal to or greater than 100 percent of the lower explosive
limit (LEL) when measured with a combustible gas detector, calibrated with
propane, at a distance of 2.54 centimeters (cm) (1 inch [in]) from the
(87) "Vapor-tight gasoline
tank truck" means a gasoline tank truck that has demonstrated within the 12
preceding months that its product delivery tank will sustain a pressure change
of not more than 75 mm (3.0 in) of water within 5 minutes (min) after it is
pressurized to 450 mm (18 in) of water; or when evacuated to 150 mm (5.9 in) of
water, the same tank will sustain a pressure change of not more than 75 mm (3.0
in) of water within 5 min. This capability is to be demonstrated using the test
procedures specified in Reference Method 27.
(89) "Web coating line" means all of the
coating applicator(s), drying area(s), or oven(s), located between an unwind
station and a rewind station, that are used to apply coating onto a continuous
strip of substrate (the web). A web coating line need not have a drying
"Weighted average VOC
content" means the VOC content as calculated according to the specifications of
Paragraph .82(1) of this chapter or according to the specifications of other
rules of this chapter, as applicable.
NOTE: The definitions in Chapter 1200-03-02 apply for those
terms not defined in Chapter 1200-03-18.