Washington Administrative Code › Title 173 - Ecology, Department of (See also Titles 197, 317, 372, and 508) › Chapter 173-490 - Emission standards and controls for sources emitting volatile organic compounds (VOC) › Section 173-490-020 - Definitions

Current through Register Vol. 24-14, July 15, 2024
The definitions of terms contained in chapter 173-400 WAC are
				by this reference incorporated into this chapter. Unless a different meaning is
				clearly required by context, the following words and phrases, as used in this
				chapter, shall have the following meanings:
(1) "Bottom loading" means the filling of a
			 tank through a line entering the bottom of the tank.
(2) "Bulk gasoline plant" means a gasoline
			 storage and transfer facility that receives more than ninety percent of its
			 annual gasoline throughput by transport tank, and reloads gasoline into
			 transport tanks.
(3) "Class II
			 hardboard paneling finish" means finishes which meet the specifications of
			 Voluntary Product Standard PS-59-73 as approved by the American National
			 Standards Institute.
(4) "Closed
			 refinery system" means a system that will process or dispose of those VOCs
			 collected from another system. The mass quantity of collected VOCs emitted to
			 the ambient air from the closed refinery system shall not exceed that required
			 for a disposal system.
(5)
			 "Condensate" means hydrocarbon liquid separated from a gas stream which
			 condenses due to changes in the temperature or pressure and remains liquid at
			 standard conditions.
(6)
			 "Condenser" means a device for cooling a gas stream to a temperature where
			 specific VOCs become liquid and are removed.
(7) "Control system" means one or more
			 control devices, including condensers, that are designed and operated to reduce
			 the quantity of VOCs emitted to the atmosphere.
(8) "Crude oil" means a naturally occurring
			 mixture which consists of hydrocarbons and sulfur, nitrogen or oxygen
			 derivatives of hydrocarbons which is a liquid at standard conditions.
(9) "Cutback asphalt" means an asphalt that
			 has been blended with petroleum distillates to reduce the viscosity for ease of
			 handling and lower application temperature. An inverted emulsified asphalt
			 shall be considered a cutback asphalt when the continuous phase of the emulsion
			 is a cutback asphalt.
(10)
			 "Disposal system" means a process or device that reduces the mass quantity of
			 the VOC that would have been emitted to the ambient air by at least ninety
			 percent prior to their actual emission.
(11) "Dry cleaning facility" means a facility
			 engaged in the cleaning of fabrics in an essentially nonaqueous solvent by
			 means of one or more washes in solvent, extraction of excess solvent by
			 spinning, and drying by tumbling in an airstream. The facility includes, but is
			 not limited to, any washer, dryer, filter and purification system(s), waste
			 disposal system(s), holding tank(s), pump(s) and attendant piping and
			 valve(s).
(12) "External floating
			 roof" means a storage vessel cover in an open top tank consisting of a double
			 deck or pontoon single deck which rests upon and is supported by the liquid
			 being contained and is equipped with a closure seal or seals to close the space
			 between the roof edge and tank wall.
(13) "Flexographic printing" means the
			 application of words, designs and pictures to a substrate by means of a roll
			 printing technique in which the pattern to be applied is raised above the
			 printing roll and the image carrier is made of rubber or other elastomeric
			 materials.
(14) "Gasoline" means a
			 petroleum distillate which is a liquid at standard conditions and has a true
			 vapor pressure greater than 200 mm of Hg (4 psia) at 20°C, and is used as a
			 fuel for internal combustion engines.
(15) "Gasoline dispensing facility" means any
			 site dispensing gasoline into motor vehicle fuel tanks from stationary storage
			 tanks.
(16) "Gasoline loading
			 terminal" means a gasoline transfer facility that receives more than ten
			 percent of its annual gasoline throughput solely or in combination by pipeline,
			 ship or barge, and loads gasoline into transport tanks.
(17) "Hardboard" means a panel manufactured
			 primarily from interfelted lignocellulosic fibers which are consolidated under
			 heat and pressure in a hot press.
(18) "Hardwood plywood" means plywood whose
			 surface layer is a veneer of hardwood.
(19) "Lease custody transfer" means the
			 transfer of produced crude oil or condensate, after processing or treating in
			 the producing operations, from storage tanks or automatic transfer facilities
			 to pipelines or any other forms of transportation.
(20) "Liquid-mounted seal" means a primary
			 seal mounted in continuous contact with the liquid between the tank wall and
			 the floating roof.
(21) "Liquid
			 service" means equipment that processes, transfers or contains a VOC or VOCs in
			 the liquid phase.
(22) "Low organic
			 solvent coating" refers to coatings which contain less organic solvent than the
			 conventional coatings used by the industry. Low organic solvent coatings
			 include water-borne, higher solids, electrodeposition and powder
			 coatings.
(23) "Natural finish
			 hardwood plywood panels" means panels whose original grain pattern is enhanced
			 by essentially transparent finishes frequently supplemented by fillers and
			 toners.
(24) "Packaging rotogravure
			 printing" means rotogravure printing upon paper, paper board, metal foil,
			 plastic film, and other substrates, which are, in subsequent operations, formed
			 into packaging products and labels for articles to be sold.
(25) "Petroleum liquids" means crude oil,
			 condensate, and any finished or intermediate products manufactured or extracted
			 in a petroleum refinery.
(26)
			 "Petroleum refinery" means a facility engaged in producing gasoline, aromatics,
			 kerosene, distillate fuel oils, residual fuel oils, lubricants, asphalt, or
			 other products by distilling crude oils or redistilling, cracking, extracting
			 or reforming unfinished petroleum derivatives. Not included are facilities
			 re-refining used motor oils or waste chemicals, processing finished petroleum
			 products, separating blended products, or air blowing asphalt.
(27) "Prime coat" means the first of two or
			 more films of coating applied in an operation.
(28) "Printed interior panels" means panels
			 whose grain or natural surface is obscured by fillers and basecoats upon which
			 a simulated grain or decorative pattern is printed.
(29) "Proper attachment fittings" means
			 hardware for the attachment of gasoline transfer or vapor collection lines that
			 meet or exceed industrial standards or specifications and the standards of
			 other agencies or institutions responsible for safety and health.
(30) "Publication rotogravure printing" means
			 rotogravure printing upon paper which is subsequently formed into books,
			 magazines, catalogues, brochures, directories, newspaper supplements, and other
			 types of printed materials.
(31)
			 "Refinery unit" means a set of components that are a part of a basic process
			 operation, such as distillation, hydrotreating, cracking or reforming of
			 hydrocarbons.
(32) "Roll printing"
			 means the application of words, designs, and pictures to a substrate usually by
			 means of a series of hard rubber or steel rolls each with only partial
			 coverage.
(33) "Rotogravure
			 printing" means the application of words, designs, and pictures to a substrate
			 by means of a roll printing technique which involves intaglio or recessed image
			 areas in the form of cells.
(34)
			 "Single coat" means only one film of coating is applied to the metal
			 substrate.
(35) "Submerged fill
			 line" means a pipe, tube, fitting or other hardware for loading liquids into a
			 tank with either a discharge opening flush with the tank bottom; or with a
			 discharge opening below the lowest normal operating drawoff level or that level
			 determined by a liquid depth two and one half times the fill line diameter when
			 measured in the main portion of the tank, but not in sumps or similar
			 protrusions.
(36) "Submerged
			 loading" means the filling of a tank with a submerged fill line descending
			 nearly to the bottom.
(37)
			 "Suitable closure or cover" means a door, hatch, cover, lid, pipe cap, pipe
			 blind, valve or similar device that prevents the accidental spilling or
			 emitting of VOC. Pressure relief valves, aspirator vents or other devices
			 specifically required for safety and fire protection are not
			 included.
(38) "Thin particleboard"
			 means a manufactured board one-quarter inch or less in thickness made of
			 individual wood particles which have been coated with a binder and formed into
			 flat sheets by pressure.
(39)
			 "Tileboard" means paneling that has a colored waterproof surface
			 coating.
(40) "Topcoat" means the
			 final film or series of films of coating applied in a two-coat (or more)
			 operation.
(41) "Transport tank"
			 means a container used for shipping gasoline on land.
(42) "True vapor pressure" means the
			 equilibrium partial pressure of a petroleum liquid as determined with methods
			 described in American Petroleum Institute Bulletin 2517, 1980.
(43) "Unit turnaround" means the procedure of
			 shutting down, repairing, inspecting, and restarting a unit.
(44) "Valves not externally regulated" means
			 valves that have no external controls, such as in-line check valves.
(45) "Vapor collection system" means a closed
			 system to conduct vapors displaced from a tank being filled into the tank being
			 emptied, a vapor holding tank, or a vapor control system.
(46) "Vapor control system" means a system
			 designed and operated to reduce or limit the emission of VOCs, or to recover
			 the VOCs to prevent their emission into the ambient air.
(47) "Vapor-mounted seal" means a primary
			 seal mounted so there is an annular vapor 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.
(48) "Volatile organic compound (VOC)" means
			 any organic compound which participates in atmospheric photochemical reactions;
			 that is, any organic compound other than those which the administrator
			 designates as having negligible photochemical reactivity. VOC may be measured
			 by a reference method, an equivalent method, an alternative method or by
			 procedures specified under  40 C.F.R. Part 60 . A reference method, an equivalent
			 method, or an alternative method, however, may also measure nonreactive organic
			 compounds. In such cases, an owner or operator may exclude the nonreactive
			 organic compounds when determining compliance with a standard.
(49) "Waxy, heavy pour crude oil" means a
			 crude oil with a pour point of 50°F or higher as determined by the American
			 Society for Testing and Materials Standard D97-66, "Test for Pour Point of
			 Petroleum Oils."
Statutory Authority:
				  Chapter
				  70.94 RCW. 91-05-064
				  (Order 90-06), § 173-490-020, filed 2/19/91, effective 3/22/91. Statutory
				  Authority:
				  Chapters
				  70.94 and
				  43.21A RCW. 82-16-021 (Order DE
				  82-22), § 173-490-020, filed 7/27/82. Statutory Authority:
				  RCW
				     70.94.331,
				  70.94.510, and
				  70.94.785. 81-03-003 (Order DE
				  80-54), § 173-490-020, filed 1/8/81. Statutory Authority:
				  RCW
				     70.94.331 and
				  70.94.395. 80-11-062 (Order DE
				  80-18), § 173-490-020, filed 8/20/80. Statutory Authority:
				  RCW
				     43.21A.080 and
				  70.94.331. 79-06-011 (Order DE
				  78-23), § 173-490-020, filed
				  5/8/79.