26.JJ.OJ.OJ 

.01 Definitions. 

A. In this subtitle, the following tenns have the meanings indicated. 

B. Tenns Defmed. 

(l) Actual Emissions. 

(a) "Actual emissions" means the average rate, in tons per year, at which a source discharged a 

pollutant during a 2-year period which precedes the date of a completed application for an NSR source or 

other specified date, and which is representative of nonnal source operation. The Department may allow 

the use of a different time period upon a detennination that it is more representative of normal source 

operation. Actual emissions shall be calculated using the source's operating hours, production rates, and 

types ofmaterials processed, stored, or combusted during the selected time period. 

(b) For the purpose ofsubmitting emissions statements under Regulation .05-1 ofthis chapter, 

"actual emissions" means the emissions, in tons per year, which a source discharged during a calendar year 

or other specified period oftime. 

(2) "Air pollution" as defmed in Environment Article, §2-101, Annotated Code of Maryland, means 

the presence in the outdoor atmosphere ofsubstances in quantities, having characteristics, and being of a 

duration which, from any single source or in combination with other sources, are, or may be predicted with 

reasonable certainty to be, injurious to human, plant, or animal life or to property, or which unreasonably 

interfere with the proper enjoyment ofthe property of others by reason ofthe emission of odors, solids, 

vapors, liquids, or gases, throughout the State and in such areas ofthe State that are affected by them. 

(3) "Air pollution control equipment" means equipment whose primary purpose is to reduce the 

discharge of emissions into the atmosphere in order to comply with air pollution control requirements. 

(4) "Allowable emissions" means the maximum emissions a source or installation is capable of 

discharging after consideration of any physical, operational, or emissions limitations required by this 

subtitle or by federally enforceable conditions which restrict operations and which are included in an 

applicable air quality pennit to construct, pennit to operate, secretarial order, plan for compliance, consent 

agreement, court order, or applicable federal requirement. 

(5) "Capture efficiency" means the weight per unit time of a pollutant entering a capture system and 

delivered to a control device, divided by the weight per unit time ofthe total pollutant generated by a 

source ofthe pollutant, expressed as a percentage. The capture efficiency reflects how much ofthe 

pollutant is captured and routed to the control device. 

(6) "Certifying individual" means the person responsible for the completion and certification ofthe 

emissions statement required in Regulation .05-1 ofthis chapter. 

(6-1) "Commercial bakery oven" (bakery oven) means an oven with a rated heat input capacity of 

2,000,000 atu per hour or greater, that is used to bake bread, rolls, or other yeast-raised products. 

(7) "Confmed emissions" means emissions which are discharged into the outdoor atmosphere through 

a stack, duct, hood, flue, or other conduit. 
(8) "Confmed source" means an installation that discharges into the atmosphere through a stack, duct, 

hood, flue, or other conduit. 

(9) "Continuous emission monitor (CEM)" means a system of instruments installed, operated, and 

calibrated in accordance with the procedures in this subtitle to continuously measure and record the 

emission rate or concentration of a substance in a gas stream. 

(9-1) "Continuous opacity monitor (COM)" means a system of instruments installed, operated, and 

calibrated in accordance with the procedures in this subtitle to continuously measure and record the opacity 

of emissions as six-minute averages of not greater than 15 second increments. 

(10) "Control efficiency" means the ratio of the emissions released by a control device and the 

emissions introduced to the control device, expressed as a percentage. 

(II) "Control equipment" means any device or q>ntrivance which prevents or reduces emissions. 

(12) "Control officer" means: 

(a) The health officer of Allegany, Anne Arundel, Calvert, Caroline, Carroll, Cecil, Charles, 

Dorchester, Frederick, Garrett, Harford, Howard, Kent, Prince George's, Queen Anne's, St. Mary's, 

Somerset, Talbot, Washington, or Wicomico County; 

(b) The Commissioner of Health ofthe City of Baltimore, the Director of the Baltimore County 

Department of Environmental Protection and Resource Management, the Director ofthe Montgomery 

County Department of Environmental Protection, or the Chief ofthe Environmental Programs Section of 

Worcester County Department of Planning, Permits, and Inspections; or 

(c) Any employee of the Department designated by the Secretary. 

(13) "Data telemetry" means an exclusive telephone link that allows the Department to directly access 

any CEM data system installed pursuant to Regulations .10 and .11 ofthis chapter. 

(14) "Department" means the Department ofthe Environment. 

(15) "Distillate fuel oil" means all American Socie~ for Testing and Materials numbered fuel oils 

other than residual fuel oil. 

(16) "Emissions" means any substance, other than water in an uncombined form, discharged directly 

or indirectly into the atmosphere including, but not limited to, odors, particulate matter, vapors, gases, or 

any combination ofthese substances. 

(17) "Fuel-burning equipment" means any: 

(a) Boiler that has the primary function of heating air, water, or any other medium through indirect 

heat transfer from the burning offuels; or 

(b) Stationary internal combustion engine or stationary combustion turbine used to produce 

mechanical or electrical energy. 

(18) "Fugitive emissions" means emissions which escape into the outdoor atmosphere through 

openings such as windows, doors, vents, roofmonitors, poorly fitting closures, or poorly maintained 

equipment. 
(19) "Installation" means any article, machine, equipment, or other contrivance, including, but not 

limited to, emission control equipment, processing equipment, manufacturing equipment, fuel-burning 

equipment, incinerators, or any equipment or construction, capable of generating, causing, or reducing 

emissions. 

(20) Modification. 

(a) "Modification" means any physical change in, or change in the operation of, a source or 

installation which causes a change in the quantity, nature or characteristics of emissions from the source or 

installation. However, this term excludes routine maintenance and routine repair, and increases in the hours 

of operation or in the production rate, unless these increases would be prohibited under any permit or 

approval conditions adopted by the Department. 

(Q) In the context ofNew Source Performance Standards and National Emission Standards for 

Hazardo~s Air Pollutants adopted or enforced by the Department, the federal defmition ofthe term 

"modification" is controlling. 

(c) "Modify" means to make a modification. 

(d) In the context ofPrevention of Significant Deterioration regulations adopted or enforced by the 

Department, the federal defmitions ofthe terms "modification" and "major modification" are controlling. 

(20-1) "Motor vehicle" means a vehicle registered with the Maryland Motor Vehicle Administration or 

the equivalent agency of another state. 

(21) "National Emission Standards for Hazardous Air Pollutants source (NESHAP source)" means 

any: 

(a) Source of asbestos, beryllium, mercury, vinyl chloride, benzene, or inorganic arsenic which is 

subject to the provisions of 40 CFR Part 61 (excluding Subparts B, H, I, K, Q, R, T, and W), as amended; 

or 

(b) One ofthe sources listed in §D ofthis regulation which is subject to the provisions of 40 CFR 

Part 63, as amended. 

(22) Reserved. 

(23) "New Source Performance Standard source (NSPS source)" (see §C ofthis regulation). 

, j 

(24) "New Source Review source (NSR source)" means any major stationary source or major 

modification subject to the requirements ofCOMAR 26.11.17. 

(24-1) ''NOx Ozone Season Allowance" means a CAIR NOx ozone season allowance as defined in 40 

CFR 96.302 and does not constitute a security or other form of property. 

(25) "Odor" means that property of an emission which stimulates the sense ofsmell. 

(26) "Opacity" means the degree to which emissions reduce the transmission of light and obscure the 

view of an object in the background. 
(27) "Operating day" means a 24-hour period beginning midnight ofone day and ending the following 

midnight, or an alternative 24-hour period approved by the Department, during which time an installation 

being monitored is operating, consuming fuel, processing or producing a material, or causing emissions. 

(28) "Oxides of nitrogen (NOS' means compounds of nitrogen comprised of nitric oxide (NO) and 

nitrogen dioxide (N02), expressed as equivalent molecular weight ofN02. 

(29) "Particulate matter" means any material, except water in uncombined form, that is or has been 

airborne, and exists as a liquid or a solid at standard conditions. 

(30) "Particulate matter emissions" means all finely divided solid or liquid material, other than 

uncombined water, discharged into the ambient air. 

(31) "PMIO" means particulate matter with an aerodynamic diameter less than or equal to a nominal 10 

micrometers. 

(32) "PMIO emissions" means fmely divided solid or liquid materials with an aerodynamic diameter 

less than or equal to a nominal 10 micrometers, discharged into the ambient air. 

(33) "Percent seasonal throughput" means percent of annual throughput conducted during each ofthe 4 

seasonal periods (December-February, March-May, June--August, September-November). 

(34) "Person" means any individual, group of individuals, fIrm, partnership, voluntary association, or 

private, public or municipal corporation, or agency, bureau, department or an instrumentality offederal, 

State, or local government responsible for the use of property. 

(35) "Potential to emit" means the maximum capacity of a stationary source to discharge a pollutant 

under its physical and operational design. Any physical or operational limitation on the capacity ofthe 

source to emit a pollutant, including air pollution control equipment and restrictions on hours of operation 

or on the type or amount ofmaterial combusted, stored, or processed, shall be treated as part of its design if 

the limitation or the effect it would have on emissions is federally enforceable through a permit condition, 

compliance plan, or administrative or court order. 

(36) "Premises" means all the installations or other sources that are located on contiguous or adjacent 

properties and that are under the control of one person or unler common control of a group of persons. 

(37) "Prevention of Significant Deterioration (PSD) source" means any new or modified source 

subject to the provisions of 40 CFR §52.21, as published in the 2008 edition, including: 

(a) Any of the following sources which emit, or have the potential to emit, 100 tons per year of any 

air pollutant regulated under the federal Clean Air Act Amendments of 1977 (42 U.S.C. §7401 et seq.): 

(i) Fossil fuel-fired steam electric plants of more than 250 million Btu per hour heat input; 

(ii) Coal cleaning plants (with thermal dryers); 

(iii) Kraft pulp mills; 

(iv) Portland cement plants; 

(v) Primary zinc smelters; 
(vi) Iron and steel mill plants; 

(vii) Primary aluminum ore reduction plants; 

(viii) Primary copper smelters; 

(ix) Municipal incinerators capable of charging more than 250 tons ofrefuse per day; 

(x) Hydrofluoric, sulfuric, and nitric acid plants; 

(xi) Petroleum refmeries; 

(xii) Lime plants; 

(xiii) Phosphate rock processing plants; 

(xiv) Coke oven batteries; 

(xv) Sulfur recovery plants; 

(xvi) Carbon black plants (furnace process); 

(xvii) Primary lead smelters; 

(xviii) Fuel conversion plants; 

(xix) Sintering plants; 

(xx) Secondary metal production plants; 

(xxi) Chemical process plants; 

(xxii) Fossil fuel boilers (or combination ofthem) totaling more than 250 million Btu per hour 

heat input; 

(xxiii) Petroleum storage and transfer units with a total storage capacity exceeding 300,000 

barrels; 

(xxiv) Taconite ore processing plants; 

(xxv) Glass fiber processing plants; 

(xxvi) Charcoal production plants; and 

(b) Any other source which emits or has the potential to emit 250 tons per year or more ofany air 

pollutant regulated under the Federal Clean Air Act (42 U.S.C. §7401 et seq.). 

(38) "Process weight" means the total weight of all materials introduced into any specific process 

which may cause emissions. Solid fuels charged will be considered as part ofthe process weight, but liquid 

and gaseous fuels and combustion air will not. 
(39) "Process weight per hour" means the rate established as follows: 

(a) For continuous or long-run steady-state operations, the total process weight for the entire period 

of continuous operation or for a typical portion of operation, divided by the number ofhours ofthe period 

or portions ofoperation; 

(b) For cyclical or batch operations, the total process weight for a period that covers a complete 

operation or an integral number of cycles, divided by the hours of actual process operation dilring the 

period; and 

(c) When the nature of any process or operation or the design of any equipment permits more than 

one interpretation ofthis defmition, the interpretation that results in the minimum value for allowable 

emission shall apply. 

(40) "Reasonably Available Control Technology (RACT)" means the lowest emissions limit that a 

particular source is capable ofmeeting by the application of control technology that is reasonably available 

considering technological and economic feasibility. 

(41) "Residual fuel oil" means that fuel oil that meets the specifications ofthe American Socfety for 

Testing and Materials for Numbers 4, 5, or 6 (bunker C) oils or crude oils when used as a fuel. 

(42) "Secretary" means the Secretary ofthe Environment. 

(43) "Source" as defmed in Environment Article, §2-101(i), Annotated Code ofMaryland, means any 

property, real or personal, or person contributing to air pollution. 

(44) "Stack or chimney" means any flue, conduit, or duct arranged to conduct emissions. 

(45) "Stack height" means the height of a stack measured from the ground elevation to the top ofthe 

stack, not including caps, nozzles, or other encumbrances. 

(46) "Standard conditions" means at a temperature of 77°F (25°C) and a pressure of 29.92 inches (760 

rom) ofmercury. 

(47) "Standard industrial classification (SIC) code" means a series of codes devised by the federal 

Office of Management and Budget (OMB) to classify establishments according to the type of economic 

activity in which they are engaged. 

(48) "True vapor pressure (TVP)" means the vapor pressure of a material at storage temperature, 

where storage temperature is the maximum monthly average temperature ofthe material or 77°F (25°C), 

whichever is the higher. 

(49) "Typical ozone season day (TOSD)" means a day typical ofthat period ofthe year durin~.which

conditions for photochemical ozone formation are most favorable, which is generally during sustained 

periods of direct sunlight (that is, long days, little cloud cover) and warm temperatures. 

(50) "Unconfmed source" means an installation that causes emissions which are not enclosed in a 

stack, duct, hood, flue, or other conduit but which escape into the atmosphere through openings such as 

windows, vents or doors, ill fitting closures, or poorly maintained equipment. 

(51) "Vapor balance line" means any connection closed to the atmosphere between the vapor space of 

two storage containers that will allow the vapors to be displaced as the liquid is transferred from one tank to 

the other. 
(52) "Vapor pressure" means the total equilibrium partial pressure or pressures for any given chemical 

or mixture at a given temperature. 

(53) "Volatile organic compound (VOC)" means any organic compound which participates in 

atmospheric photochemical reactions, excluding those compounds which have been detennined to have 

negligible photochemical reactivity by the U.S. Environmental Protection Agency and which are listed in 

40 CFR §51.1 OO(s), as amended. 

C. "New Source Perfonnance Standard source (NSPS source)" means anyone ofthe following sources: 

(1) Steam generator ofmore than 250 million Btu (264 gigajoules) per hour heat input for which 

construction is commenced after August 17, 1971; 

(2) Electric utility steam generating unit for which construction is commenced after September 18, 

1978; 

(3) Incinerator capable ofcharging more than 50 tons (45,000 kilograms) ofrefuse per 24-hour day; 

(4) Portland cement plant; 

(5) Sulfuric acid plant; 

(6) Nitric acid plant; 

(7) Asphalt concrete plant; 

(8) Petroleum refmery; 

(9) Petroleum storage having a capacity of40,000 gallons (151 cubic meters) or more constructed after 

June 11, 1973, and before May 19, 1978; 

(10) Petroleum storage having a capacity of 40,000 gallons (151 cubic meters) or more constructed 

after May 18, 1978, and before July 23, 1984; 

(11) §econdary lead smelter; 

(12) Secondary brass and bronze production plant; 

(13) Iron and steel plant-basic oxygen process furnace for which construction is begun after June 11, 

1973; 

(14) Sewage sludge incinerator; 

(15) Coal preparation plant; 

(16) Primary copper smelter; 

(17) Primary zinc smelter; 

(18) Primary lead smelter; 
(19) Primary aluminum reduction plant; 

(20) Wet process phosphoric acid plant; 

(21) Superphosphoric acid plant; 

(22) Diamrnonium phosphate plant; 

(23) Triple superphosphate plant; 

(24) Granular triple superphosphate storage facility; 

(25) Ferroalloy production facility; 

(26) Steel plants: Electric arc furnaces constructed after October 21, 1974, and on or before August 17, 

1983; 

(27) Kraft pulp mill; 

(28) Grain elevator; 

(29) Glass manufacturing plant; 

(30) Stationary gas turbine; 

(31) Automobile and light-duty truck surface coating operation; 

(32) Ammonium sulfate manufacturing plant; 

(33) Asphalt processing and asphalt roofmg manufacturing; 

(34) Lead acid battery manufacturing; 

(35) Phosphate rock plant; 

(36) Industrial surface coating-large appliances; 

(37) Surface coating of metal furniture; 

(38) Metal coil surface coating operation; 

(39) Graphic arts industry-publication rotogravure printing; 

(40) Bulk gasoline terminal; 

(41) Beverage can surface coating plant; 

(42) Pressure sensitive tape and label surface coating plant; 

(43) Synthetic organic chemicals manufacturing---equipment leaks ofVOC; 
(44) Lime manufacturing plant; 

(45) Metallic minerals processing plants; 

(46) Synthetic fibers manufacturing; 

(47) Fugitive VOC emissions from refmeries; 

(48) Industrial surface coating-vinyl and urethane coating and printing operations; 

(49) Petroleum dry cleaners; 

(50) Steel plants--argon-oxygen decarburization vessels constructed after August 17, 1983; 

(51) Wool fiberglass insulation manufacturing plants; 

(52) Onshore natural gas production plant VOC leaks; 

(53) Nonmetallic mineral processing plants; 

(54) Onshore natural gas sweetening and sulfur recovery facilities; 

(55) Industrial-commercial-institutional steam generating units with a heat input capacity greater than 

100 million Btulhour for which construction commenced after June 19, 1984; 

(56) Basic oxygen process steel-making facilities for which construction is begun after January 20, 

1983; 

(57) Volatile organic liquid storage vessels (including petroleum liquid storage vessels) having a 

capacity of 10,570 gallons (40 cubic meters) or more constructed after July 23, 1984; 

(58) Rubber tire manufacturing facilities for which construction is begun after January 20, 1983; 

(59) Sewage treatment plants; 

(60) New residential wood heaters; 

(61) VOC emissions from petroleum refmery wastewater systems; 

(62) Equipment leaks ofVOC in petroleum refmeries; 

(63) Magnetic tape coating facilities; 

(64) Industrial surface coating-surface coating of plastic parts for business machines; 

(65) VOC emissions from synthetic organic chemicals manufacturing industries (SOCMI) distillation 

operations; 

(66) Polymeric coating of supporting substrates facilities; 
(67) VOC emissions from synthetic organic chemicals manufacturing industries (SOCMI) air 

oxidation unit processes; 

(68) Municipal waste combustors; 

(69) Polymer manufacturing industry; 

(70) Synthetic organic chemical manufacturing industry (SOCMI) reactor processes; 

(71) Calciners and dryers in mineral industries; 

(72) Industrial-commercial-institutional steam generating units with a heat input capacity less than 100 

million Btu/hour but greater than or equal to 10 million Btu/hour for which construction began after June 9, 

1989; 

(73) Municipal solid waste landfills; 

(74) Hospital, medical, and infectious waste incinerators; 

(75) Small municipal waste combustion units; 

(76) Commercial and industrial solid waste incineration units; and 

(77) Other solid waste incineration units. 

D. "National Emission Standards for Hazardous Air Pollutants source (NESHAP source)" means any of 

the following sources: 

(1) Aerospace manufacturing and rework facilities; 

(2) Hard and decorative chromium electroplating and chromium anodizing tanks; 

(3) Coke oven batteries (Subpart L); 

(4) Perchloroethylene dry cleaning facilities; 

(5) Ethylene oxide sterilization facilities; 

(6) Gasoline distribution facilities (bulk gasoline terminals and pipeline breakout stations); 

(7) Halogenated solvent cleaning; 

(8) Industrial process cooling towers; 

(9) Magnetic tape manufacturing operations; 

(10) Marine tank vessel loading operations; 

(11) Off-site waste and recovery operations; 

(12) Petroleum refmeries (Subpart CC); 
(13) Group I polymers and resins; 

(14) Epoxy resins production and non-nylon polyamides production; 

(15) Group IV polymers and resins; 

(16) Printing and publishing industry; 

(17) Secondary lead smelting; 

(18) Shipbuilding and ship repair (surface coating); 

(19) Synthetic organic chemical manufacturing industry; 

(20) Certain processes subject to the negotiated regulation for equipment leaks (Subpart I); 

(21 ) Wood furniture manufacturing operations; 

(22) Flexible polyurethane foam production; 

(23) Pharmaceuticals production; 

(24) Primary aluminum production; 

(25) Pulp and paper production (Subpart S); 

(26) Tanks-level I (Subpart 00); 

(27) Containers (Subpart PP); 

(28) Surface impoundments (Subpart QQ); 

(29) Individual drain systems (Subpart RR); 

(30) Oil-water separators and organic-water separators (Subpart VV); 

(31) Hazardous waste combustors (Subpart EEE); 

(32) Closed vent systems, control devices, recovery devices, and routing to a fuel gas system or a 

process (Subpart SS); 

(33) Equipment leaks--controllevel I standards (Subpart 11); 

(34) Equipment leaks--controllevel2 standards (Subpart UU); 

(35) Storage vessels (tanks)--controlleveI2 (Subpart WW); 

(36) Generic maximum achievable control technology standards (Subpart IT); 

(37) Polyether polyols production (Subpart PPP); 
(38) Wool fiberglass manufacturing (Subpart NNN); 

(39) Mineral wool production (Subpart DOD); 

(40) Oil and natural gas production (Subpart HH); 

(41) Natural gas transmission and storage (Subpart HHH); 

(42) Steel pickling-HCl process facilities and hydrochloric acid and regeneration plants (Subpart 

CCC); 

(43) Pesticide active ingredient production (Subpart MMM); 

(44) Portland cement manufacturing industry (Subpart LLL); 

(45) Phosphoric acid manufacturing (Subpart AA); 

(46) Phosphate fertilizer production (Subpart BB); 

(47) Ferralloys production (Subpart XXX); 

(48) Primary lead smelting (Subpart TIT); 

(49) Publicly Owned Treatment Works (Subpart VW); 

(50) Manufacture of amino/phenolic resins (Subpart 000); 

(51) Secondary aluminum production (Subpart RRR); 

(52) Chemical recovery combustion sources at kraft, soda, sulfite and stand-alone semichemical pulp 

mills (Subpart MM); 

(53) Primary copper smelting (Subpart QQQ); 

(54) Petroleum refmeries: catalytic cracking units, catalytic reforming units, and sulfur recovery units 

(Subpart UUU); 

(55) Manufacturing of nutritional yeast (Subpart CCCC); 

(56) Solvent extraction for vegetable oil production (Subpart GGGG); 

(57) Wet formed fiberglass mat production (Subpart HHHH); 

(58) Surface coating of metal coil (Subpart SSSS); 

(59) Leather fmishing operations (Subpart TTIT); 

(60) Cellulose products manufacturing (Subpart UUUU); 

(61) Boat manufacturing (Subpart VVVV); 
(62) Reinforced plastic production (Subpart WWWW); 

(63) Rubber tire manufacturing (Subpart XXXX); 

(64) Semiconductor manufacturing (Subpart BBBBB); 

(65) Coke ovens: pushing, quenching, and battery stacks (Subpart CCCCC); 

(66) Integrated iron and steel manufacturing facilities (Subpart FFFFF); 

(67) Brick and structural clay products (Subpart JJJJJ); 

(68) Clay ceramics manufacturing (Subpart KKKKK); 

(69) Asphalt processing and asphalt roofmg manufacturing (Subpart LLLLL); 

(70) Flexible polyurethane foam fabrication operations (Subpart MMMMM); 

(71) Hydrochloric acid production (Subpart NNNNN); 

(72) Engine test cells/stands (Subpart PPPPP); 

(73) Friction materials manufacturing facilities (Subpart QQQQQ); 

(74) Refractory products manufacturing (Subpart SSSSS); 

(75) Auto and light duty truck (surface coating) (Subpart IIII); 

(76) Benzene waste operations (Subpart FF); 

(77) Fabric printing, coating, and dyeing operations (Subpart 0000); 

(78) Industrial, commercial, and institutional boilers and process heaters (Subpart DDDDD); 

(79) Iron and steel foundries (Subpart EEEEE); 

(80) Large appliances (surface coating) (Subpart NNNN); 

(81) Lime manufacturing (Subpart AAAAA); 

(82) Mercury cell chlor-alkali plants (Subpart 11111); 

(83) Metal can (surface coating) (Subpart KKKK); 

(84) Metal furniture (Subpart RRRR); 

(85) Miscellaneous coating manufacturing (Subpart HHHHH); 

(86) Miscellaneous metal parts and products (Subpart MMMM); 
(87) Miscellaneous organic chemical production and processes (Subpart FFFF); 

(88) Municipal solid waste landfills (Subpart AAAA); 

(89) Organic liquids distribution (Subpart EEEE); 

(90) Paper and other web (Subpart JJJ1); 

(91) Plastic parts (Subpart PPPP); 

(92) Plywood and composite wood products (Subpart DDDD); 

(93) Polyvinyl chloride and copolymers production (Subpart 1); 

(94) Primary magnesium refming (Subpart TITTI); 

(95) Reciprocating internal combustion engines (Subpart ZZZZ); 

(96) Stationary combustion turbines (Subpart YYYV); 

(97) Taconite iron ore processing (Subpart RRRRR); 

(98) Wood building products (Subpart QQQQ); 

(99) Site remediation (Subpart GGGGG); or 

(l00) Major sources for which control technology determinations are required in accordance with 

Clean Air Act 112 (g) and 0).