Regulatory Text: 
Chapter 115 - Control of Air Pollution From Volatile Organic Compounds

SUBCHAPTER A : DEFINITIONS

§115.010.   Definitions. 
As approved by EPA March 15, 1999 (64 FR 12759), at 52.2270(c)(117) effective May 14, 1999.

NOTE:  Left justified number before each paragraph is 40 CFR 52.2270(c) section where paragraph was last (as of March 15, 1999) approved by EPA.  See Texas SIP Map record for Federal Register approval dates and SIP effective dates.


117     Unless specifically defined in the Texas Clean Air Act (TCAA) or in the rules of the Texas Natural Resource Conservation Commission (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 which are defined by the TCAA, the following terms, when used in this chapter, shall have the following meanings, unless the context clearly indicates otherwise.  Additional definitions for terms used in this chapter are found in §101.1 of this title (relating to Definitions) and §3.2 of this title (relating to Definitions).

104E    Alcohol (used in offset lithographic printing) - For the purposes of complying with §§115.442, 115.443, 115.445, 115.446, and 115.449 of this title (relating to Offset Lithographic Printing), an alcohol is any of the hydroxyl-containing organic compounds with a molecular weight equal to or less than 74.12, (which includes methanol, ethanol, propanol, and butanol).

104B    Alcohol substitutes (used in offset lithographic printing) - Nonalcohol additives that contain volatile organic compounds (VOC) and are used in the fountain solution.  Some additives are used to reduce the surface tension of water; others (especially in the newspaper industry) are added to prevent piling (ink build-up).

77A     Architectural coating - Any protective or decorative coating applied to the interior or exterior of a building or structure, including latex paint, alkyd paints, stains, lacquers, varnishes, and urethanes.

77A     Automobile refinishing - The recoating of individual automobiles and light-duty trucks by a commercial operation other than the manufacturer to repair, restore, or alter the exterior finish, including primer, primer surfacer, alkyd enamel, base coat, clear coat, and lacquer application.

105K    Automotive basecoat/clearcoat system (used in vehicle refinishing (body shops)) - A topcoat system composed of a pigmented basecoat portion and a transparent clearcoat portion.  The volatile organic compound (VOC) content of a basecoat (bc)/clearcoat (cc) system shall be calculated according to the following formula:

               VOC_bc + (2 x VOC_cc)
VOC T_bc/cc = -----------------------
                        3

where:
     VOC T_bc/cc is the VOC content, in pounds of VOC per gallon (less water and exempt solvent) as applied, in the basecoat/clearcoat system;
     VOC_bc is the VOC content, in pounds of VOC per gallon (less water and exempt solvent) as applied, of any given basecoat; and
     VOC_cc is the VOC content, in pounds of VOC per gallon (less water and exempt solvent) as applied, of any given clearcoat.

105K    Automotive precoat (used in vehicle refinishing (body shops)) - Any coating that is applied to bare metal to deactivate the metal surface for corrosion resistance to a subsequent water-based primer.  This coating is applied to bare metal solely for the prevention of flash rusting.

105K    Automotive pretreatment (used in vehicle refinishing (body shops)) - Any coating which contains a minimum of 0.5% acid by weight that is applied directly to bare metal surfaces to etch the metal surface for corrosion resistance and adhesion.

105K    Automotive primer or primer surfacers (used in vehicle refinishing (body shops)) - Any base coat, sealer, or intermediate coat which is applied prior to colorant or aesthetic coats.

105K    Automotive sealers (used in vehicle refinishing (body shops)) - Coatings that are formulated with resins which, when dried, are not readily soluble in typical solvents.  These coatings act as a shield for surfaces over which they are sprayed by resisting the penetration of solvents which are in the final topcoat.

105K    Automotive specialty coatings (used in vehicle refinishing (body shops)) - Coatings or additives which are necessary due to unusual job performance requirements.  These coatings or additives prevent the occurrence of surface defects and impart or improve desirable coating properties.  These products include, but are not limited to, uniform finish blenders, elastomeric materials for coating of flexible plastic parts, coatings for non-metallic parts, jambing clear coatings, gloss flatteners, and anti-glare/safety coatings.

105K    Automotive three-stage system (used in vehicle refinishing (body shops)) - A topcoat system composed of a pigmented basecoat portion, a semitransparent midcoat portion, and a transparent clearcoat portion.  The volatile organic compound (VOC) content of a three-stage system shall be calculated according to the following formula:

                 VOC_bc + VOC_mc + (2 x VOC_cc)
VOC T_3-stage = --------------------------------
                             4
where:
     VOC T_3-stage is the VOC content, in pounds of VOC per gallon (less water and exempt solvent) as applied, in the three-stage system;
     VOC_bc is the VOC content, in pounds of VOC per gallon (less water and exempt solvent) as applied, of any given basecoat;
     VOC_mc is the VOC content, in pounds of VOC per gallon (less water and exempt solvent) as applied, of any given midcoat; and
     VOC_cc is the VOC content, in pounds of VOC per gallon (less water and exempt solvent) as applied, of any given clearcoat.

105K    Automotive wipe-down solutions (used in vehicle refinishing (body shops)) - Any solution used for cleaning and surface preparation.

104E    Bakery oven - An oven for baking bread or any other yeast-leavened products.

104B    Batch (used in offset lithographic printing) - A supply of fountain solution that is prepared and used without alteration until completely used or removed from the printing process.

88C     Beaumont/Port Arthur area - Hardin, Jefferson, and Orange Counties.

77D     Capture efficiency - The amount of volatile organic compounds (VOC) collected by a capture system which is expressed as a percentage derived from 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.

77D     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.

77D     Carbon adsorber - An add-on control device which uses activated carbon to adsorb volatile organic compounds from a gas stream.

77D     Carbon adsorption system - A carbon adsorber with an inlet and outlet for exhaust gases and a system to regenerate the saturated adsorbent.

104B    Cleaning solution (used in offset lithographic printing) - Liquids used to remove ink and debris from the operating surfaces of the printing press and its parts.

104E    Clear coat (used in wood parts and products coating) - A coating which lacks opacity or which is transparent and uses the undercoat as a reflectant base or undertone color.

104E    Clear sealers (used in wood parts and products coating) - Liquids applied over stains, toners, and other coatings to protect these coatings from marring during handling and to limit absorption of succeeding coatings.

77C     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.

77A     Coating application system - Devices or equipment designed for the purpose of applying a coating material to a surface.  The devices may include, but not be limited to, brushes, sprayers, flow coaters, dip tanks, rollers, knife coaters, and extrusion coaters.

77C     Coating line - An operation consisting of a series of one or more coating application systems and including associated flashoff area(s), drying area(s), and oven(s) wherein a surface coating is applied, dried, or cured.

105K    Cold solvent cleaning - A batch process that uses liquid solvent to remove soils from the surfaces of metal 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.

77A     Component - A piece of equipment, including, but not limited to pumps, valves, compressors, and pressure relief valves, which has the potential to leak volatile organic compounds.

77A     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.

77A     Consumer-solvent products - Products sold or offered for sale by wholesale or retail outlets for individual, commercial, or industrial use which may contain VOC, including household products, toiletries, aerosol products, rubbing compounds, windshield washer fluid, polishes and waxes, nonindustrial adhesives, space deodorants, moth control products, or laundry treatments.

104E    Continuous monitoring - Any monitoring device used to comply with a continuous monitoring requirement of this chapter will be considered continuous if it can be demonstrated that at least 95% of the required data is captured.
77D     Control device - 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.

77D     Control system - A combination of one or more capture system(s) and control device(s) working in concert to reduce discharges of air pollutants to the ambient air.

105K    Conveyorized degreasing - A solvent cleaning process that uses an automated parts handling system, typically a conveyor, to automatically provide a continuous supply of metal 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.

77A     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.

77A     Cutback asphalt - Any asphaltic cement which has been liquified by blending with petroleum solvents (diluents).

88C     Dallas/Fort Worth area - Collin, Dallas, Denton, and Tarrant Counties.

88C     Delivery vessel/tank-truck tank - Any tank-truck or trailer that is equipped with a storage tank having a capacity greater than 1,000 gallons.

77A     Drum (metal) - Any cylindrical metal shipping container with a nominal capacity equal to or greater than 12 gallons (45.4 liters) but equal to or less than 110 gallons (416 liters).

88C     El Paso area - El Paso County.

77A     Exempt solvent - Those carbon compounds or mixtures of carbon compounds used as solvents which have been excluded from the definition of volatile organic compounds.

105K    External floating roof - A cover or roof in an open-top tank which 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.  An external floating roof storage tank which is equipped with a self-supporting fixed roof (typically a bolted aluminum geodesic dome) shall be considered to be an internal floating roof storage tank.

88F     Extreme performance coating - A coating intended for exposure to extreme environmental conditions, such as continuous outdoor exposure; temperatures frequently above 95 degrees C (203 degrees F); detergents; abrasive and scouring agents; solvents;  and corrosive solutions, chemicals, or atmospheres.

104E    Final repair coat (used in wood parts and products coating) - Liquids applied to correct imperfections or damage to the topcoat.

77A     Flexographic printing process - A method of printing in which the image areas are raised above the non-image areas, and the image carrier is made of an elastomeric material.

104B    Fountain solution (used in offset lithographic printing) - A mixture of water, nonvolatile printing chemicals, and an additive (liquid) that reduces the surface tension of the water so that it spreads easily across the printing plate surface.  The fountain solution wets the nonimage areas so that the ink is maintained within the image areas.  Isopropyl alcohol, a volatile organic compound, is the most common additive used to reduce the surface tension of the fountain solution.

105P    Fugitive emission - Any volatile organic compound entering the atmosphere which could not reasonably pass through a stack, chimney, vent, or other functionally equivalent opening designed to direct or control its flow.

77A     Gasoline - Any petroleum distillate having a Reid vapor pressure (RVP) of four pounds per square inch (27.6 kPa) or greater which is produced for use as a motor fuel and is commonly called gasoline.

105K    Gasoline bulk plant - A gasoline loading and/or unloading facility, excluding marine terminals, having a gasoline throughput less than 20,000 gallons (75,708 liters) per day, averaged over any consecutive 30-day period.  A motor vehicle fuel dispensing facility is not a gasoline bulk plant.

105K    Gasoline terminal - A gasoline loading and/or unloading facility, excluding marine terminals, having a gasoline throughput equal to or greater than 20,000 gallons (75,708 liters) per day, averaged over any consecutive 30-day period.

104B    Hand-held lawn and garden and utility equipment - Equipment that requires its full weight to be supported by the operator to perform its function and requires multi-positional operation.

104B    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.

105K    High-bake coatings - Coatings designed to cure at temperatures above 194 degrees Fahrenheit.

104B    High-volume low-pressure (HVLP) spray guns - Equipment used to apply coatings by means of a spray gun which operates between 0.1 and 10.0 pounds per square inch gauge air pressure.

88C     Houston/Galveston area - Brazoria, Chambers, Fort Bend, Galveston, Harris, Liberty, Montgomery, and Waller Counties.

104B    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 I industrial solid waste or Class I waste is any industrial solid waste designated as Class I 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 of this title (relating to Definitions) and §335.505 of this title (relating to Class I Waste Determination).
       (B)  Class II industrial solid waste is any individual solid waste or combination of industrial solid wastes that cannot be described as Class I or Class III, as defined in §335.506 of this title (relating to Class II Waste Determination).
       (C)  Class III 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 III Waste Determination).

105K    Internal floating cover - A cover or floating roof in a fixed roof tank which 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.  An external floating roof storage tank which is equipped with a self-supporting fixed roof (typically a bolted aluminum geodesic dome) shall be considered to be an internal floating roof storage tank.

105P    Leak - A volatile organic compound concentration greater than 10,000 parts per million by volume (ppmv) or the amount specified by applicable rule, whichever is lower; or the dripping or exuding of process fluid based on sight, smell, or sound.

104E    Leak-free marine vessel - A marine vessel whose cargo tank closures (hatch covers, expansion domes, ullage openings, butterworth covers and gauging covers) were inspected prior to cargo transfer operations and all such closures were properly secured such that no leaks of liquid or vapors can be detected by sight, sound, or smell. Cargo tank closures shall meet the applicable rules or regulations of the marine vessel's classification society or flag state.  Cargo tank pressure/vacuum valves shall be operating within the range specified by the marine vessel's classification society or flag state and seated when tank pressure is less than 80% of set point pressure such that no vapor leaks can be detected by sight, sound, or smell.  As an alternative, a marine vessel operated at negative pressure is assumed to be leak-free for the purpose of this standard.

NOTE TO READER: The definition of “Leakless valve” has not been codified in the TNRCC Regulation V since April 1994.  It is unclear if it has been removed from the Regulation V by TNRCC.  This definition was adopted in the Texas Register on November 19, 1993.

104B    Leakless valve - Any valve which meets the conditions of either paragraph (A) or (B) of this definition.
        (A) a valve which can be demonstrated by performance (including gas testing or hydraulic testing at no less than normal operating pressure and adjustments made as necessary to obtain leak free performance) or design to prevent or contain a leak of VOC, as defined in §115.352 of this title (relating to Fugitive Control Requirements), from the valve stem packing (including but not limited to bellows and diaphragm valves);
        (B) a valve which can be demonstrated by performance or design to prevent a leak of VOC, as defined in §115.352 of this title, at the outlet of the valve (including but not limited to valves that stop the process flow through the use of non-rotating plug stems).
     
104B    Lithography (used in offset lithographic printing) - A printing process where the image and nonimage areas are chemically differentiated; the image area is oil receptive, and the nonimage area is water receptive.  This method differs from other printing methods, where the image is a raised or recessed surface.

77A     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.

105K    Low-bake coatings - Coatings designed to cure at temperatures of 194 degrees Fahrenheit or less.

104E    Marine loading facility - The loading arm(s), pumps, meters, shutoff valves, relief valves, and other piping and valves that are part of a single system used to fill a marine vessel at a single geographic site.  Loading equipment that is physically separate (i.e., does not share common piping, valves, and other loading equipment) is considered to be a separate marine loading facility.

NOTE TO READER: The definition of “Marine loading operation” below was not listed in the 104E IBR language in the Federal Register but was included in the IBR material and was not struck out.  Therefor the definition is assumed to be approved.  

104E?   Marine loading operation - The transfer of oil, gasoline, or other volatile organic liquids at any affected marine terminal, beginning with the connections made to a marine vessel and ending with the disconnection from the marine vessel.

104E    Marine terminal - Any marine facility or structure constructed to load oil, gasoline, or other volatile organic liquid bulk cargo into a marine vessel.  A marine terminal consists of one or more marine loading facilities.

104B    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.

105K    Mechanical shoe seal - A metal sheet which 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.

77A     Motor vehicle fuel dispensing facility - Any site where gasoline is dispensed to motor vehicle fuel tanks from stationary storage tanks.

104B    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.

104B    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 257.2 of 40 CFR, Part 257.  A municipal solid waste landfill (MSWLF) unit also may receive other types of RCRA 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.  A MSWLF unit may be a new MSWLF unit, an existing MSWLF unit, or a lateral expansion.

104B    Municipal solid waste landfill emissions - Any gas derived from a natural process through the decomposition of organic waste deposited in a municipal solid waste disposal site or from the volatile organic compounds in the waste.

77A     Natural gas/gasoline processing - A process that extracts condensate from gases obtained from natural gas production and/or fractionates natural gas liquids into component products, such as ethane, propane, butane, and natural gasoline.  The following facilities shall be included in this definition if, and only if, located on the same property as a natural gas/gasoline processing operation defined above: compressor stations, dehydration units, sweetening units, field treatment, underground storage, liquified natural gas units, and field gas gathering systems.

77A     Non-flat architectural coating - Any coating which registers a gloss of 15 or greater on an 85 degree gloss meter or 5 or greater on a 60 degree gloss meter, and which is identified on the label as gloss, semigloss, or eggshell enamel coating.

104B    Non-heatset (used in offset lithographic printing) - Any operation where the printing inks are set without the use of heat.  For the purposes of this rule, ultraviolet-cured and electron beam-cured inks are considered non-heatset.

104B    Offset lithography - A printing process that transfers the ink film from the lithographic plate to an intermediary surface (blanket) which, in turn, transfers the ink film to the substrate.

104E    Opaque ground coats and enamels (used in wood parts and products coating) - Colored, opaque liquids applied to wood or wood composition substrates which completely hide the color of the substrate in a single coat.

105K    Open-top vapor degreasing - A batch solvent cleaning process that is open to the air and which uses boiling solvent to create solvent vapor used to clean or dry metal parts through condensation of the hot solvent vapors on the colder metal parts.

104B    Owner or operator of a motor vehicle fuel dispensing facility (as used in §§115.241-115.249 of this title, relating to Control of Vehicle Refueling Emissions (Stage II) at Motor Vehicle Fuel Dispensing Facilities) - Any person who owns, leases, operates, or controls the motor vehicle fuel dispensing facility.

77A     Packaging rotogravure printing - Any rotogravure printing upon paper, paper board, metal foil, plastic film, or any other substrate which is, in subsequent operations, formed into packaging products or labels.

77A     Pail (metal) - Any cylindrical metal shipping container with a nominal capacity equal to or greater than 1 gallon (3.8 liters) but less than 12 gallons (45.4 liters) and constructed of 29 gauge or heavier material.

77A     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.

77A     Polymer and resin manufacturing process - A process that produces any of the following polymers or resins:  polyethylene, polypropylene, polystyrene, and styrenebutadiene latex.

77A     Pounds of volatile organic compounds (VOC) per gallon of coating (minus water and exempt solvents) - Basis for emission limits for surface coating processes.  Can be calculated by the following equation:

Pounds of VOC per gallon of coating (minus water and 
exempt solvents) = W_v / (V_m - V_w - V_es)

Where:
     W_v = weight of VOC, in pounds, contained in Vm gallons of coating
     V_m = volume of coating, generally assumed to be one gallon
     V_w = volume of water, in gallons, contained in Vm gallons of coating
     V_es = volume of exempt solvents, in gallons, contained in V_m gallons of coating

77C     Pounds of volatile organic compounds (VOC) per gallon of solids - Basis for emission limits for surface coating process.  Can be calculated by the following equation:

Pounds of VOC per gallon of solids
   =  W_v / (V_m - V_v - V_w - V_es)

Where:
     W_v = weight of VOC, in pounds, contained in V_m gallons of coating 
     V_m = volume of coating, generally assumed to be one gallon
     V_v = volume of VOC, in gallons, contained in V_m gallons of coating
     V_w = volume of water, in gallons, contained in V_m gallons of coating
     V_es = volume of exempt solvents, in gallons, contained in Vm gallons of coating

77C     Printing line - An operation consisting of a series of one or more printing processes and including associated drying areas. rea is loaded with ink and pressed directly to the substrate for image transfer.

105K    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.
 
104E    Semitransparent spray stains and toners (used in wood parts and products coating) - Colored liquids applied to wood to change or enhance the surface without concealing the surface, including but not limited to, toners and nongrain-raising stains.

104E    Semitransparent wiping and glazing stains (used in wood parts and products coating) - Colored liquids applied to wood that require multiple wiping steps to enhance the grain character and to partially fill the porous surface of the wood.

104E    Shellacs (used in wood parts and products coating) - Coatings formulated solely with the resinous secretions of the lac beetle (laccifer lacca), thinned with alcohol, and formulated to dry by evaporation without a chemical reaction.

104B    Sludge - Any solid or semisolid, 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.

104B    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 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 the 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 USC, 6901 et seq).

77A     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.

77A     Specified solvent-using processes -
77A       (A)  Cold solvent cleaning - The batch process of cleaning and removing soils from metal surfaces 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.
77A       (B)  Open-top vapor degreasing - The batch process of cleaning and removing soils from metal surfaces by condensing hot solvent vapors on the colder metal parts. 
77A       (C)  Conveyorized degreasing - The continuous process of cleaning and removing soils from metal surfaces by operating with either cold or vaporized solvent.

77A     Submerged fill pipe - A fill pipe that extends from the top of a tank to have a maximum clearance of six inches (15.2 cm) from the bottom or, when applied to a tank which 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.

77A     Surface coating processes - Operations which utilize a coating application system. 
77A       (A)  Large appliance coating - The coating of doors, cases, lids, panels, and interior support parts of residential and commercial washers, dryers, ranges, refrigerators, freezers, water heaters, dishwashers, trash compactors, air conditioners, and other large appliances. 
77A       (B)  Metal furniture coating - The coating of metal furniture (tables, chairs, wastebaskets, beds, desks, lockers, benches, shelves, file cabinets, lamps, and other metal furniture products) or the coating of any metal part which will be a part of a nonmetal furniture product.
77A       (C)  Coil coating - The coating of any flat metal sheet or strip supplied in rolls or coils. 
77A       (D)  Paper coating - The coating of paper and pressure-sensitive tapes (regardless of substrate and including paper, fabric, and plastic film) and related web coating processes on plastic film (including typewriter ribbons, photographic film, and magnetic tape) and metal foil (including decorative, gift wrap, and packaging). 
77A       (E)  Fabric coating - The application of coatings to fabric, which includes rubber application (rainwear, tents, and industrial products such as gaskets and diaphragms). 
77A       (F)  Vinyl coating - The use of printing or any decorative or protective topcoat applied over vinyl sheets or vinyl-coated fabric. 
77A       (G)  Can coating - The coating of cans for beverages (including beer), edible products (including meats, fruit, vegetables, and others), tennis balls, motor oil, paints, and other mass-produced cans.
77A       (H)  Automobile coating - The assembly-line coating of passenger cars, or passenger car derivatives, capable of seating 12 or fewer passengers. 
77A       (I)  Light-duty truck coating - The assembly-line coating of motor vehicles rated at 8,500 pounds (3,855.5 kg) gross vehicle weight or less and designed primarily for the transportation of property, or derivatives such as pickups, vans, and window vans. 
77A       (J)  Miscellaneous metal parts and products coating - The coating of miscellaneous metal parts and products in the following categories:
77A              (i)  large farm machinery (harvesting, fertilizing, and planting machines, tractors, combines, etc.);
77A             (ii)  small farm machinery (lawn and garden tractors, lawn mowers, rototillers, etc.);
77A            (iii)  small appliances (fans, mixers, blenders, crock pots, dehumidifiers, vacuum cleaners, etc.);
77A             (iv)  commercial machinery (computers and auxiliary equipment, typewriters, calculators, vending machines, etc.);
77A              (v)  industrial machinery (pumps, compressors, conveyor components, fans, blowers, transformers, etc.);
77A             (vi)  fabricated metal products (metal-covered doors, frames, etc.); and
77A            (vii)  any other category of coated metal products, except the specified list in subparagraphs (A)-(I) of surface coating processes including, but not limited to, those which are included in the Standard Industrial Classification Code
major group 33 (primary metal industries),
major group 34 (fabricated metal products),
major group 35 (nonelectrical machinery),
major group 36 (electrical machinery),
major group 37 (transportation equipment),
major group 38(miscellaneous instruments), and
major group 39 (miscellaneous manufacturing industries).
77A       (K)  Factory surface coating of flat wood paneling - Coating of flat wood paneling products, including hardboard, hardwood plywood, particle board, printed interior paneling, and tile board.
88F       (L)  Mirror backing coating - The application of coatings to the silvered surface of a mirror.
104E      (M)  Wood parts and products coating - The coating of wood parts and products, excluding factory surface coating of flat wood paneling.

77A     Synthetic organic chemical manufacturing process - A process that produces, as intermediates or final products, one or more of the chemicals listed in Table I of this section.

NOTE TO READER: Table I is in the next record.

105P    Synthetic Organic Chemical Manufacturing Industry (SOCMI) batch distillation operation - A SOCMI noncontinuous distillation operation in which a discrete quantity or batch of liquid feed is charged into a distillation unit and distilled at one time.  After the initial charging of the liquid feed, no additional liquid is added during the distillation operation.

105P    Synthetic Organic Chemical Manufacturing Industry (SOCMI) batch process - Any SOCMI noncontinuous reactor process which is not characterized by steady-state conditions, and in which reactants are not added and products are not removed simultaneously.

105P    Synthetic Organic Chemical Manufacturing Industry (SOCMI) distillation operation - A SOCMI operation separating one or more feed stream(s) into two or more exit streams, each exit stream having component concentrations different from those in the feed stream(s).  The separation is achieved by the redistribution of the components between the liquid and vapor-phase as they approach equilibrium within the distillation unit.

105P    Synthetic Organic Chemical Manufacturing Industry (SOCMI) distillation unit - A SOCMI device or vessel in which distillation operations occur, including all associated internals (including, but not limited to, trays and packing), accessories (including, but not limited to, reboilers, condensers, vacuum pumps, and steam jets), and recovery devices (such as absorbers, carbon adsorbers, and condensers) which are capable of, and used for, recovering chemicals for use, reuse, or sale.

105P    Synthetic Organic Chemical Manufacturing Industry (SOCMI) reactor process - A SOCMI unit operation in which one or more chemicals, or reactants other than air, are combined or decomposed in such a way, that their molecular structures are altered and one or more new organic compounds are formed.

77A     System or device - Any article, chemical, machine, equipment, or other contrivance, the use of which may eliminate, reduce, or control the emission of air contaminants to the atmosphere.

105P    Tank-truck tank - Any storage tank having a capacity greater than 1,000 gallons, mounted on a tank-truck or trailer.  Vacuum trucks used exclusively for maintenance and spill response are not considered to be tank-truck tanks.

104E    Topcoat (used in wood parts and products coating) - A coating which provides the final protective and aesthetic properties to wood finishes.

77A     Transfer efficiency - The amount of coating solids deposited onto the surface of a part or product divided by the total amount of coating solids delivered to the coating application system.

104B    Transport vessel - Any land-based mode of transportation (truck or rail) that is equipped with a storage tank having a capacity greater than 1,000 gallons which is used primarily to transport oil, gasoline, or other volatile organic liquid bulk cargo.  Vacuum trucks used exclusively for maintenance and spill response are not considered to be transport vessels.

77A     True partial pressure - The absolute aggregate partial pressure (psia) of all volatile organic compounds in a gas stream.

77A     True vapor pressure - The absolute aggregate partial vapor pressure (psia) of all volatile organic compounds at the temperature of storage, handling, or processing.

104B    Utility engines - Small four-stroke and two-stroke, air or liquid cooled, gasoline, diesel, or alternative fuel powered engines under 25 horsepower.  They are designed for powering lawn, garden, and turf maintenance implements, timber operations, generating electricity, and pumping fluids.

77A     Vapor balance system - A system which provides for containment of hydrocarbon vapors by returning displaced vapors from the receiving vessel back to the originating vessel.

77A     Vapor-mounted seal - A primary seal mounted so there is an annular space underneath the seal.  The annular vapor space is bound by the bottom of the primary seal, the tank wall, the liquid surface, and the floating roof or cover.

104B    Vapor recovery system - Any control system which utilizes vapor collection equipment to route volatile organic compounds  (VOC) to a control device that reduces VOC emissions.

77A     Vapor-tight - Not capable of allowing the passage of gases at the pressures encountered except where other acceptable leak-tight conditions are prescribed in the Regulations.

104E    Varnishes (used in wood parts and products coating) - Clear wood finishes formulated with various resins to dry by chemical reaction on exposure to air.

105P    Vehicle refinishing (body shops) - The repair and recoating of vehicles, including, but not limited to, motorcycles, passenger cars, vans, light-duty trucks, medium-duty trucks, heavy-duty trucks, buses, and other vehicle body parts, bodies, and cabs by a commercial operation other than the original manufacturer.  The repair and recoating of trailers and construction equipment are not included.

77A     Vent - Any duct, stack, chimney, flue, conduit, or other device used to conduct air contaminants into the atmosphere.

105P    Volatile organic compound - Any compound of carbon or mixture of carbon compounds excluding 
methane, 
ethane, 
1,1,1-trichloroethane (methyl chloroform), 
methylene chloride (dichloromethane), 
perchloroethylene (tetrachloroethylene), 
trichlorofluoromethane (CFC-11), 
dichlorodifluoromethane (CFC-12), 
chlorodifluoromethane (HCFC-22), 
trifluoromethane (HFC-23), 
1,1,2-trichloro-1,2,2-trifluoroethane (CFC-113), 
1,2-dichloro-1,1,2,2-tetrafluoroethane (CFC-114), 
chloropentafluoroethane (CFC-115), 
1,1,1-trifluoro-2,2-dichloroethane (HCFC-123), 
2-chloro-1,1,1,2-tetrafluoroethane (HCFC-124), 
pentafluoroethane (HFC-125), 
1,1,2,2-tetrafluoroethane (HFC-134), 
1,1,1,2-tetrafluoroethane (HFC-134a), 
1,1-dichloro-1-fluoroethane (HCFC-141b), 
1-chloro-1,1-difluoroethane (HCFC-142b), 
1,1,1-trifluoroethane (HFC-143a), 
1,1-difluoroethane (HFC-152a), 
parachlorobenzotrifluoride (PCBTF), 
cyclic, branched, or linear completely methylated siloxanes, 
acetone, 
3,3-dichloro-1,1,1,2,2-pentafluoropropane (HCFC-225ca), 
1,3-dichloro-1,1,2,2,3-pentafluoropropane (HCFC-225cb), 
1,1,1,2,3,4,4,5,5,5-decafluoropentane (HFC 43-10mee), 
carbon monoxide, 
carbon dioxide, 
carbonic acid, 
metallic carbides or carbonates, 
ammonium carbonate, and 
perfluorocarbon compounds which fall into these classes:
105K      (A)  cyclic, branched, or linear, completely fluorinated alkanes;
105K      (B)  cyclic, branched, or linear, completely fluorinated ethers with no unsaturations;
105K      (C)  cyclic, branched, or linear, completely fluorinated tertiary amines with no unsaturations; and
105K      (D)  sulfur-containing perfluorocarbons with no unsaturations and with sulfur bonds only to carbon and fluorine.

77A     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 water prior to outfall, drainage, or recovery of such water.

104E    Wash coat (used in wood parts and products coating) - A low-solids clear liquid applied over semitransparent stains and toners to protect the color coats and to set the fibers for subsequent sanding or to separate spray stains from wiping stains to enhance color depth.

77A     Waxy, high pour point crude oil - A crude oil with a pour point of 50 degrees F (10 degrees C) or higher as determined by the American Society for Testing and Materials Standard D97-66, "Test for Pour Point of Petroleum Oils."



77A       TABLE I. SYNTHETIC ORGANIC CHEMICALS

As adopted by the Texas Air Control Board December 8, 1989, effective February 19, 1990 (5-37).
Approved by EPA September 24, 1992 (57 FR 44126), effective October 26, 1992, at 52.2270(c)(77)(i)(A) [TXc77A].

OCPDB
No.*     Chemical

  20       Acetal
  30       Acetaldehyde
  40       Acetaldol
  50       Acetamide
  65       Acetanilide
  70       Acetic acid
  80       Acetic anhydride
  90       Acetone
 100       Acetone cyanohydrin
 110       Acetonitrile
 120       Acetophenone
 125       Acetyl chloride
 130       Acetylene
 140       Acrolein
 150       Acrylamide
 160       Acrylic acid and esters
 170       Acrylonitrile
 180       Adipic acid
 185       Adiponitrile
 190       Alkyl naphthalenes
 200       Allyl alcohol
 210       Allyl chloride
 220       Aminobenzoic acid
 230       Aminoethylethanolamine
 235       p-Aminophenol
 240       Amyl acetates
 250       Amyl alcohols
 260       Amyl amine
 270       Amyl chloride
 280       Amyl mercaptans
 290       Amyl phenol
 300       Aniline
 310       Aniline hydrochloride
 320       Anisidine
 330       Anisole
 340       Anthranilic acid
 350       Anthraquinone
 360       Benzaldehyde
 370       Benzamide
 380       Benzene
 390       Benzenedisulfonic acid
 400       Benzenesulfonic acid
 410       Benzil
 420       Benzilic acid
 430       Benzoic acid
 440       Benzoin
 450       Benzonitrile
 460       Benzophenone
 480       Benzotrichloride
 490       Benzoyl chloride
 500       Benzyl alcohol
 510       Benzyl amine
 520       Benzyl benzoate
 530       Benzyl chloride
 540       Benzyl dichloride
 550       Biphenyl
 560       Bisphenol A
 570       Bromobenzene
 580       Bromonaphthalene
 590       Butadiene
 592       1-butene
 600       n-butyl acetate
 630       n-butyl acrylate
 640       n-butyl alcohol
 650       s-butyl alcohol
 660       t-butyl alcohol
 670       n-butylamine
 680       s-butylamine
 690       t-butylamine
 700       p-tert-butyl benzoic acid
 710       1,3-butylene glycol
 750       n-butyraldehyde
 760       Butyric acid
 770       Butyric anhydride
 780       Butyronitrile
 785       Caprolactam
 790       Carbon disulfide
 800       Carbon tetrabromide
 810       Carbon tetrachloride
 820       Cellulose acetate
 840       Chloroacetic acid
 850       m-chloroaniline
 860       o-chloroaniline
 870       p-chloroaniline
 880       Chlorobenzaldehyde
 890       Chlorobenzene
 900       Chlorobenzoic acid
 905       Chlorobenzotrichloride
 910       Chlorobenzoyl chloride
 920       Chlorodifluoroethane
 921       Chlorodifluoromethane
 930       Chloroform
 940       Chloronapthalene
 950       o-chloronitrobenzene
 951       p-chloronitrobenzene
 960       Chlorophenols
 964       Chloroprene
 965       Chlorosulfonic acid
 970       m-chlorotoluene
 980       o-chlorotoluene
 990       p-chlorotoluene
 992       Chlorotrifluoromethane
1000       m-cresol
1010       o-cresol
1020       p-cresol
1021       Mixed cresols
1030       Cresylic acid
1040       Crotonaldehyde
1050       Crotonic acid
1060       Cumene
1070       Cumene hydroperoxide
1080       Cyanoacetic acid
1090       Cyanogen chloride
1100       Cyanuric acid
1110       Cyanuric chloride
1120       Cyclohexane
1130       Cyclohexanol
1140       Cyclohexanone
1150       Cyclohexene
1160       Cyclohexylamine
1170       Cyclooctadiene
1180       Decanol
1190       Diacetone alcohol
1200       Diaminobenzoic acid
1210       Dichloroaniline
1215       m-dichlorobenzene
1216       o-dichlorobenzene
1220       p-dichlorobenzene
1221       Dichlorodifluoromethane
1240       Dichloroethyl ether
1244       1,2-dichloroethane (EDC)
1250       Dichlorohydrin
1270       Dichloropropene
1280       Dicyclohexylamine
1290       Diethylamine
1300       Diethylene glycol
1304       Diethylene glycol diethyl ether
1305       Diethylene glycol dimethyl ether
1310       Diethylene glycol monobutyl ether
1320       Diethylene glycol monobutyl ether acetate
1330       Diethylene glycol monoethyl ether
1340       Diethylene glycol monoethyl ether acetate
1360       Diethylene glycol monomethyl ether
1420       Diethyl sulfate
1430       Difluoroethane
1440       Diisobutylene
1442       Diisodecyl phthalate
1444       Diisooctyl phthalate
1450       Dikethene
1460       Dimethylamine
1470       N,N-dimethylaniline
1480       N,N-dimethyl ether
1490       N,N-dimethylformamide
1495       Dimethylhydrazine
1500       Dimethyl sulfate
1510       Dimethyl sulfide
1520       Dimethyl sulfoxide
1530       Dimethyl terephthalate
1540       3,5-dinitrobenzoic acid
1545       Dinitrophenol
1550       Dinitrotoluene
1560       Dioxane
1570       Dioxolane
1580       Diphenylamine
1590       Diphenyl oxide
1600       Diphenyl thiourea
1610       Dipropylene glycol
1620       Dodecene
1630       Dodecylaniline
1640       Dodecylphenol
1650       Epichlorohydrin
1660       Ethanol
1661       Ethanolamines
1670       Ethyl acetate
1680       Ethyl acetoacetate
1690       Ethyl acrylate
1700       Ethylamine
1710       Ethylbenzene
1720       Ethyl bromide
1730       Ethylcellulose
1740       Ethyl chloride
1750       Ethyl chloroacetate
1760       Ethylcyanoacetate
1770       Ethylene
1780       Ethylene carbonate
1790       Ethylene chlorohydrin
1800       Ethylenediamine
1810       Ethylene dibromide
1830       Ethylene glycol
1840       Ethylene glycol diacetate
1870       Ethylene glycol dimethyl ether
1890       Ethylene glycol monobutyl ether
1900       Ethylene glycol monobutyl ether acetate
1910       Ethylene glycol monoethyl ether
1920       Ethylene glycol monoethyl ether acetate
1930       Ethylene glycol monomethyl ether
1940       Ethylene glycol monomethyl ether acetate
1960       Ethylene glycol monophenyl ether
1970       Ethylene glycol monopropyl ether
1980       Ethylene oxide
1990       Ethyl ether
2000       2-ethylhexanol
2010       Ethyl orthoformate
2020       Ethyl oxalate
2030       Ethyl sodium oxalacetate
2040       Formaldehyde
2050       Formamide
2060       Formic acid
2070       Fumaric acid
2073       Furfural
2090       Glycerol (Synthetic)
2091       Glycerol dichlorohydrin
2100       Glycerol triether
2110       Glycine
2120       Glyoxal
2145       Hexachlorobenzene
2150       Hexachloroethane
2160       Hexadecyl alcohol
2165       Hexamethylenediamine
2170       Hexamethylene glycol
2180       Hexamethylenetetramine
2190       Hydrogen cyanide
2200       Hydroquinone
2210       p-hydroxybenzoic acid
2240       Isoamylene
2250       Isobutanol
2260       Isobutyl acetate
2261       Isobutylene
2270       Isobutyraldehyde
2280       Isobutyric acid
2300       Isodecanol
2320       Isooctyl alcohol
2321       Isopentane
2330       Isophorone
2340       Isophthalic acid
2350       Isoprene
2360       Isopropanol
2370       Isopropyl acetate
2380       Isopropylamine
2390       Isopropyl chloride
2400       Isopropylphenol
2410       Ketene
2414       Linear alkyl sulfonate
2417       Linear alkylbenzene
2420       Maleic acid
2430       Maleic anhydride
2440       Malic acid
2450       Mesityl oxide
2455       Metanilic acid
2460       Methacrylic acid
2490       Methallyl chloride
2500       Methanol
2510       Methyl acetate
2520       Methyl acetoacetate
2530       Methylamine
2540       n-methylaniline
2545       Methyl bromide
2550       Methyl butynol
2560       Methyl chloride
2570       Methyl cyclohexane
2590       Methyl cyclohexanone
2620       Methylene chloride
2630       Methylene dianiline
2635       Methylene diphenyl diisocyanate
2640       Methyl ethyl ketone
2645       Methyl formate
2650       Methyl isobutyl carbinol
2660       Methyl isobutyl ketone
2665       Methyl methacrylate
2670       Methyl pentynol
2690       a-methylstyrene
2700       Morpholine
2710       a-naphthalene sulfonic acid
2720       B-naphthalene sulfonic acid
2730       a-naphthol
2740       B-naphthol
2750       Neopentanoic acid
2756       o-nitroaniline
2757       p-nitroaniline
2760       o-nitroanisole
2762       p-nitroanisole
2770       Nitrobenzene
2780       Nitrobenzoic acid (o, m, and p)
2790       Nitroethane
2791       Nitromethane
2792       Nitrophenol
2795       Nitropropane
2800       Nitrotoluene
2810       Nonene
2820       Nonyl phenol
2830       Octyl phenol
2840       Paraldehyde
2850       Pentaerythritol
2851       n-pentane
2855       l-pentene
2860       Perchloroethylene
2882       Perchloromethyl mercaptan
2890       o-phenetidine
2900       p-phenetidine
2910       Phenol
2920       Phenolsulfonic acids
2930       Phenyl anthranilic acid
2940       Phenylenediamine
2950       Phosgene
2960       Phthalic anhydride
2970       Phthalimide
2973       B-picoline
2976       Piperazine
3000       Polybutenes
3010       Polyethylene glycol
3025       Polypropylene glycol
3063       Propionaldehyde
3066       Propionic acid
3070       n-propyl alcohol
3075       Propylamine
3080       Propyl chloride
3090       Propylene
3100       Propylene chlorohydrin
3110       Propylene dichloride
3111       Propylene glycol
3120       Propylene oxide
3130       Pyridine
3140       Quinone
3150       Resorcinol
3160       Resorcylic acid
3170       Salicylic acid
3180       Sodium acetate
3181       Sodium benzoate
3190       Sodium carboxymethyl cellulose
3191       Sodium chloracetate
3200       Sodium formate
3210       Sodium phenate
3220       Sorbic acid
3230       Styrene
3240       Succinic acid
3250       Succinonitrile
3251       Sulfanilic acid
3260       Sulfolane
3270       Tannic acid
3280       Terephthalic acid
3290
 and
3291       Tetrachloroethanes
3300       Tetrachlorophthalic
           anhydride
3310       Tetraethyllead
3320       Tetrahydronaphthalene
3330       Tetrahydrophthalic anhydride
3335       Tetramethyllead
3340       Tetramethylenediamine
3341       Tetramethylethylenediamine
3350       Toluene-2,4-diamine
3354       Toluene-2,4-diisocyanate
3355       Toluene diisocyanates (mixture)
3360       Toluene sulfonamide
3370       Toluene sulfonic acids
3380       Toluene sulfonyl chloride
3381       Toluidines
3390,
3391,
 and
3393       Trichlorobenzenes
3395       1,1,1-trichloroethane
3400       1,1,2-trichloroethane
3410       Trichloroethylene
3411       Trichlorofluoromethane
3420       1,2,3-trichloropropane
3430       1,1,2-trichloro-1,2,2-trifluoroethane
3450       Triethylamine
3460       Triethylene glycol
3470       Triethylene glycol dimethyl ether
3480       Triisobutylene
3490       Trimethylamine
3500       Urea
3510       Vinyl acetate

3520       Vinyl chloride
3530       Vinylidene chloride
3540       Vinyl toluene
3541       Xylenes (mixed)
3560       o-xylene
3570       p-xylene
3580       Xylenol
3590       Xylidine

*The OCPDB Numbers are reference indices assigned to the various chemicals in the Organic Chemical Producers Data Base developed by EPA.

**** end tx 115.10 Table 1 - Synthetic Organic Chemicals ****TXc77A****dz9**
**********end tx 115.10 as approved by epa 03/15/1999*****TXc117****dz9**