Sec. 22a-174-1. Definitions

Except as may otherwise be provided, as used in Section 22a-174-1 to 22a-174-200,

inclusive, of the Regulations of Connecticut State Agencies, the following definitions apply.

Unless otherwise indicated, references to the Code of Federal Regulations mean the Code

of Federal Regulations in effect as of March 15, 2002:

(1) “Act” means the Federal Clean Air Act, 42 USC Sections 7401 to 7671q and Public

Law 101-549.

(2) “Actual emissions” has the same meaning as in 40 CFR 51.165(a)(1)(xii)(A) to (E),

inclusive.

(3) “Administrator” means the Administrator of the United States Environmental

Protection Agency.

(4) “Affected state or states” means the Commonwealth of Massachusetts, the States of

New York, Rhode Island and any other state located within fifty (50) miles of a Connecticut

Title V source.

(5) “Air pollutant” means dust, fumes, mist, smoke, other particulate matter, vapor, gas,

aerosol, odorous substances, or any combination thereof, but does not include: Carbon

dioxide, except in accordance with regulations adopted pursuant to sections 22a-174d, 22a174j, or 22a-200b of the Connecticut General Statutes; the noble gases (helium, neon, argon,

krypton, xenon or radon); uncombined water vapor or water droplets; molecular hydrogen

expressed as H2; or molecular oxygen expressed as O2 or nitrogen.

(6) “Air pollution” means the presence in the ambient air of one or more air pollutants

or any combination thereof in such quantities and of such characteristics and duration as to

be, or likely to be, injurious to public welfare or the environment, to the health of human,

plant or animal life, or to property, or as unreasonably to interfere with the enjoyment of

life and property.

(7) “Air pollution control equipment” means any equipment which is designed to reduce

emissions of air pollutants from a stationary source.

(8) “Allowable emissions” means “allowable emissions” as defined in 40 CFR

51.165(a)(1)(xi).

(9) “Ambient air” means that portion of the atmosphere, external to buildings, to which

the general public has access.

(10) “AAQS” or “ambient air quality standard” means any standard that establishes the

largest allowable concentration of a specific pollutant in the ambient air as established by

the Administrator in 40 CFR 50 or by the commissioner in section 22a-174-24 of the

Regulations of Connecticut State Agencies.

(11) “Architectural coating” means a coating used for residential or commercial buildings

and their appurtenances, or industrial buildings, or other outdoor structures.

(12) “ASTM” means the American Society for Testing and Materials.

(13) “Attainment” means that the quality of the ambient air, as determined by the

Administrator, meets the Ambient Air Quality Standards for a given air pollutant.

(14) “Attainment area” means a geographic area which has been designated by the

Administrator as attainment pursuant to 40 CFR 81 in accordance with the provisions of

42 USC 7407.

(15) “Baseline concentration” means “baseline concentration” as defined in 40 CFR

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Regulations of Connecticut State Agencies
51.166(b)(13)(i) to (ii)(b), inclusive.

(16) “Best Available Control Technology” or “BACT” means an emission limitation,

including a limitation on visible emissions, based upon the maximum degree of reduction

for each applicable air pollutant emitted from any proposed stationary source or

modification which the commissioner, on a case-by-case basis, determines is achievable in

accordance with section 22a-174-3a of the Regulations of Connecticut State Agencies.

BACT may include, without limitation, the application of production processes, work

practice standards or available methods, systems, and techniques, including fuel cleaning

or treatment, the use of clean fuels, or innovative techniques for the control of such air

pollutant.

(17) “Begin actual construction” means “begin actual construction” as defined in 40

CFR 51.165(a)(1)(xv).

(18) “Biodiesel fuel” means the liquid fuel composed of mono alkyl esters of long-chain

fatty acids derived from vegetable oils or animal fats, which fuel conforms to ASTM D6751-

08, Standard Specification for Biodiesel Fuel Blend Stock for Middle Distillate Fuels, or

the current active version thereof.

(19) “Brush” means shrubs, vegetation or prunings, the diameter of which is not greater

than three inches at the widest point.

(20) “BTU” means British thermal unit, which is the amount of heat required to raise

the temperature of one pound of water one degree Fahrenheit.

(21) “Carbon dioxide equivalent emissions” or “CO2e” means an amount of GHGs

emitted, computed as follows:

(A) Individually, for each of the six component gases, multiply the mass amount of

emissions of the component gas (tons per year) by the gas’s associated global warming

potential identified in 40 CFR 98, Table A-1 (October 30, 2009); and

(B) Sum each of the six values resulting from the calculation in subparagraph (A) of this

subdivision.

(22) “CAS Number” means the number given to a compound by the American Chemical

Society’s Chemical Abstract Service.

(23) “CFR” means the Code of Federal Regulations.

(24) “Combustion efficiency” means the percentage calculated in accordance with the

following formula:

where: CE = Combustion efficiency in percent;

CO2 = Amount of carbon dioxide;

CO = Amount of carbon monoxide; and

CO and CO2 are both measured in volume units.

(25) “Commence operation” means the owner or operator of the stationary source has

begun or caused to begin, any activity which has the potential to emit any air pollutant.

(26) “Commence construction” means that the owner or operator of the proposed

stationary source or proposed modification to a stationary source has all necessary permits

or approvals required pursuant to the Act, any regulations adopted thereunder and section

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22a-174-1, et seq. of the Regulations of Connecticut State Agencies, and has either:

(A) Begun, or caused to begin, a continuous program of physical on-site construction of

the source, subject to the permit issued by the commissioner, without any breaks in such

construction of more than eighteen months; or

(B) Entered into binding agreements or contractual obligations to undertake actual

construction of the source within a reasonable time, which cannot be canceled or modified

without substantial economic loss to the owner or operator.

(27) “Commissioner” means the Commissioner of Environmental Protection, or any

member of the Department or any local air pollution control official or agency authorized

by the commissioner, acting singly or jointly, to whom the commissioner assigns any

function arising under the provisions of these regulations.

(28) “Construction” means “construction” as defined in 40 CFR 51.165 (a)(1)(xviii).

(29) “CEM” or “Continuous emission monitoring” means a system for continuously

measuring the emissions of any pollutant from a stationary source.

(30) “CERC” or “Continuous emissions reduction credit” means a real, quantifiable,

surplus, permanent and enforceable reduction of an air pollutant at a source which is:

(A) Certified by the commissioner through a SIP approved plan; and

(B) Generated over an uninterrupted period of time in increments of one ton of a

specified air pollutant.

(31) “Criteria air pollutant” means any air pollutant for which an ambient air quality

standard has been established by the Administrator in accordance with Section 107 of the

Act.

(32) “Department” means the Department of Environmental Protection.

(33) “Dioxin emissions” means the total emissions of polychlorodibenzo-p-dioxins

(PCDDs) and polychlorodibenzofurans (PCDFs) converted to the toxic equivalence amount

of 2,3,7,8-tetrachlorodibenzo-p-dioxin (2,3,7,8-TCDD). For the purposes of this definition,

the commissioner shall determine the toxic equivalence amount of 2,3,7,8-TCDD by

multiplying the concentration of each isomer in the sample by the appropriate Toxic

Equivalency Factor (TEF) set forth in Table 1-1 and then adding the products to obtain the

total dioxin emissions in the sample.

Table 1-1

FORM OF DIOXIN EMISSIONS TEF

monochlorodibenzo-p-dioxin 0

dichlorodibenzo-p-dioxin 0

trichlorodibenzo-p-dioxin 0

2,3,7,8-tetrachlorodibenzo-p-dioxin 1.0

Other tetrachlorodibenzo-p-dioxins 0.01

1,2,3,7,8-pentachlorodibenzo-p-dioxin 0.5

other pentachlorodibenzo-p-dioxins 0.005

1,2,3,4,7,8-hexachlorodibenzo-p-dioxin 0.04

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(34) “Discharge point” means any stack or area from which a hazardous air pollutant is

released into the ambient air.

(35) “Dispersion technique” means “dispersion technique” as defined in 40 CFR

51.100(hh).

(36) “Distillate oil” or “distillate fuel oil” means any fuel oil of No. 1 or No. 2 grades,

as defined by ASTM D396-09, Standard Specification for Fuel Oils, or the current active

version thereof.

(37) “DERC” or “Discrete emission reduction credit” means the real, quantifiable,

surplus, permanent, and enforceable reduction of an air pollutant at a source, which is:

(A) Certified by the commissioner through a SIP approved plan; and

(B) Generated during a specified period of time.

Table 1-1

FORM OF DIOXIN EMISSIONS TEF

1,2,3,6,7,8-hexachlorodibenzo-p-dioxin 0.04

1,2,3,7,8,9-hexachlorodibenzo-p-dioxin 0.04

other hexachlorodibenzo-p-dioxins 0.0004

1,2,3,4,6,7,8-heptachlorodibenzo-p-dioxin 0.001

other heptachlorodibenzo-p-dioxins 0.00001

octachlorodibenzo-p-dioxin 0

monochlorodibenzofuran 0

dichlorodibenzofuran 0

trichlorodibenzofuran 0

2,3,7,8-tetrachlorodibenzofuran 0.1

other tetrachlorodibenzofurans 0.001

1,2,3,7,8-pentachlorodibenzofuran 0.1

2,3,4,7,8-pentachlorodibenzofuran 0.1

other pentachlorodibenzofurans 0.001

1,2,3,4,7,8-hexachlorodibenzofuran 0.01

1,2,3,6,7,8-hexachlorodibenzofuran 0.01

2,3,4,6,7,8-hexachlorodibenzofuran 0.01

1,2,3,7,8,9-hexachlorodibenzofuran 0.01

other hexachlorodibenzofurans 0.0001

1,2,3,4,6,7,8-heptachlorodibenzofuran 0.001

1,2,3,4,7,8,9-heptachlorodibenzofuran 0.001

other heptachlorodibenzofurans 0.00001

octachlorodibenzofuran 0

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Regulations of Connecticut State Agencies
(38) “Emission” means the release or discharge of an air pollutant into the ambient air

from any source.

(39) “Emission limitation” and “Emission standard” means “emission limitation” and

“emission standard” as defined in 40 CFR 51.100(z).

(40) “Emission unit” means “emission unit” as defined in 40 CFR 51.165(a)(1)(vii).

(41) “ERC” or “Emission reduction credit” means real, quantifiable, surplus, permanent,

and enforceable reductions of air pollutant emissions from a source, when such reductions

are certified by the commissioner through a SIP approved plan and recorded as CERCs or

DERCs.

(42) “Excessive concentration” means “excessive concentration” as defined in 40 CFR

51.000(kk).

(43) “Federally enforceable” means “federally enforceable” as defined in 40 CFR

51.165(a)(1)(xiv).

(44) “Flare” means an apparatus, device, process, or procedure for the burning of

flammable gases or vapors at or near the exit of a stack, flue or vent.

(45) “Fuel-burning equipment” means any furnace, boiler, apparatus, stack, and all

appurtenances thereto, used in the process of burning fuel for the primary purpose of

producing heat or power.

(46) “Fugitive dust” means solid airborne particulate matter emitted from any source

other than through a stack.

(47) “Fugitive emissions” means fugitive dust or those emissions that cannot reasonably

pass through a stack, chimney, vent, or other functionally equivalent opening.

(48) “Good engineering practice (GEP) stack height” means “good engineering practice

(GEP) stack height” as defined in 40 CFR 51.100(ii).

(49) “Greenhouse gases” or “GHGs” means the aggregate of the following six

component gases: carbon dioxide (CO2), methane (CH4), nitrous oxide (N20), sulfur

hexafluoride (SF6), any hydroflourocarbon (HFC) or any perfluorocarbon (PFC).

(50) “Hazardous air pollutant,” except as otherwise provided in section 22a-174-3a of

the Regulations of Connecticut State Agencies, means a substance listed in section 22a174-29 of the Regulations of Connecticut State Agencies.

(51) “Hazard limiting value” or “HLV” means the highest acceptable concentration of a

hazardous air pollutant in the ambient air, pursuant to section 22a-174-29 of the Regulations

of Connecticut State Agencies. The primary use of this term is in the derivation of the

maximum allowable stack concentration for a source.

(52) “Heat input” means the total gross calorific value of all fuels burned, measured in

BTU by ASTM Method D2015-66, D240-64, or D1826-64, using the highest heating value

of each fuel.

(53) “Incinerator” means any device, apparatus, equipment, slab, or structure used for

destroying, reducing, or salvaging, by fire or heat, any material or substance including, but

not limited to, refuse, rubbish, garbage, trade waste, debris or scrap; or facilities for

cremating human or animal remains provided that, for the purposes of this definition,

sources primarily combusting the following used oil types are not incinerators:

(A) Used oil meeting the specifications of 40 CFR 279.11; or

(B) Used oil burned in space heaters meeting the requirements of 40 CFR 279.23.

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Regulations of Connecticut State Agencies
(54) “Indian governing body” has the same meaning as in 40 CFR 51.166(b)(28).

(55) “Indian reservation” means “Indian reservation” as defined in 40 CFR

51.166(b)(27).

(56) “Indirect source” means any building, structure, facility installation, or combination

thereof, that has or leads to associated activity as a result of which an air pollutant is or may

be emitted. Indirect sources include, but are not limited to: shopping centers, sports

complexes, drive-in theaters or restaurants, parking lots or garages, residential, commercial,

industrial or institutional buildings or developments, amusement parks and other recreational

areas, highways, and airports.

(57) “Indirect source construction permit” means a permit issued by the commissioner

authorizing the construction of an indirect source.

(58) “Innovative control technology” means “innovative control technology” as defined

in 40 CFR 51.166 (b)(19).

(59) “Internal offset” means any federally enforceable reduction of actual emissions from

one or more stationary sources on the same premises which are used to offset potential

emissions increases from a proposed stationary source on such premises in accordance with

the provisions of section 22a-174-3a(l) of the Regulations of Connecticut State Agencies.

(60) “LAER” or “Lowest Achievable Emission Rate” means “lowest achievable

emission rate” as defined in 40 CFR 51.165(a)(1)(xiii).

(61) “Major modification” means “major modification” as defined in 40 CFR

51.165(a)(1)(v), provided that, for the purposes of this definition, the term “significant” has

the same meaning as in 40 CFR 51.166(b)(23)(i) and:

(A) The values for nitrogen oxides as an ozone precursor and volatile organic compounds

are each twenty-five (25) tons per year, and

(B) Asbestos, beryllium and vinyl chloride are excluded.

(62) “Major source baseline date” means January 6, 1975 for particulate matter and sulfur

dioxide; February 8, 1988 for nitrogen dioxide; and October 20, 2010 for PM2.5.

(63) “Major stationary source” means “major stationary source” as defined in 40 CFR

51.165(a)(1)(iv), provided that:

(A) A stationary source that emits or has the potential to emit twenty-five (25) tons per

year of volatile organic compounds or nitrogen oxides as an ozone precursor in any severe

ozone nonattainment area is a “major stationary source;” and

(B) A stationary source that emits or has the potential to emit fifty (50) tons per year of

volatile organic compounds or nitrogen oxides as an ozone precursor in any serious ozone

nonattainment area is a “major stationary source.”

(64) “Malfunction” means “malfunction” as defined in 40 CFR 60.2.

(65) “MACT” or “Maximum achievable control technology” means a method of

achieving an emission limitation or reducing the emission of hazardous air pollutants as

determined by the commissioner pursuant to section 22a-174-33(e) of the Regulations of

Connecticut State Agencies or by the Administrator pursuant to 40 CFR 63.

(66) “Maximum allowable stack concentration” or “MASC” is the maximum allowable

concentration of a hazardous air pollutant in the exhaust gas stream at the discharge point

of a stationary source under actual operating conditions.

(67) “Maximum capacity” means the design maximum hourly capacity of a stationary

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Regulations of Connecticut State Agencies
source or highest demonstrated hourly capacity of a stationary source, whichever is greater,

multiplied by 365 days per year and 24 hours per day, or some other time period as may be

accepted by the commissioner.

(68) “Maximum uncontrolled emissions” means the rate of emissions for a source,

determined without the application of air pollution control equipment unless the source is

incapable of being operated without the air pollution control equipment, of a particular air

pollutant where such rate is calculated using:

(A) The maximum capacity of the source unless the commissioner determines that the

source is physically unable to operate at that capacity or unless the maximum capacity is

limited by restrictions on production rates, hours of operation, or types of materials

processed, stored or combusted either through permit conditions or other order of the

commissioner; and

(B) Information from the Compilation of Air Pollutant Emission Factors (AP-42)

published by the U. S. Environmental Protection Agency, relevant source test data or other

information deemed more representative by the commissioner.

(69) “Minor permit modification” means a change to a permit that is required for the

permittee to lawfully engage in any of the activities or proposed activities at a stationary

source as identified in section 22a-174-2a(e) of the Regulations of Connecticut State

Agencies.

(70) “Minor source” means any stationary source which emits, and has the potential to

emit, pollutants at rates or in amounts lower than those specified in subdivision (63) of this

section.

(71) “Minor source baseline date” means June 7, 1988 for particulate matter, December

17, 1984 for sulfur dioxide and June 7, 1988 for nitrogen dioxide.

(72) “Mobile source” means a source designed or constructed to move from one location

to another during normal operation except portable equipment and includes, but is not

limited to, automobiles, buses, trucks, tractors, earth moving equipment, hoists, cranes,

aircraft, locomotives operating on rails, vessels for transportation on water, lawnmowers,

and other small home appliances.

(73) “Modification” or “modified source” means with respect to a stationary source, any

physical change or change in the method of operation that would result in an exceedance of

the allowable emissions of any individual air pollutant, any increase in the maximum

capacity, or any potential emissions of any individual air pollutant not previously emitted,

except that:

(A) Routine maintenance, repair or replacement at a stationary source shall not be

considered a physical change; and

(B) The following shall not be considered a change in the method of operation:

(i) any increase in the production rate, if such increase does not exceed the operating

design capacity of the affected facility and such increase does not cause or allow an

exceedance of the rates or emission limits authorized by a permit, order, or judgment for

such a source, or

(ii) any increase in hours of operation and such increase does not cause or allow an

exceedance of the rates or emissions limits authorized by a permit, order, or judgment for

such source.

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Regulations of Connecticut State Agencies
(74) “Monitoring” means any action or procedure that is used to determine actual

emissions from a stationary source or compliance with the requirements of any permit,

order, statute or regulation.

(75) “Net emissions increase” means “net emissions increase” as defined in 40 CFR

51.165 (a)(1)(vi) provided that:

(A) For the purposes of this definition, the phrase “this section” found in 40 CFR

51.165(a)(1)(vi)(C)(2) refers to sections 22a-174-3a(k) and (l) of the Regulations of

Connecticut State Agencies, and

(B) Any increases or decreases in actual emissions at a stationary source are creditable

only if such increases or decreases occurred within the previous five (5) years of the present

modification.

(76) “Nitrogen oxides” or “NOx“ means the sum of all oxides of nitrogen, expressed as

nitrogen dioxide.

(77) “Non-attainment” means that the quality of the ambient air, as measured by the

commissioner, fails to meet any Ambient Air Quality Standard for a given pollutant for

which such standards have been established by the United States Environmental Protection

Agency.

(78) “Non-attainment air pollutant” means the particular air pollutant for which an area

is designated as a non-attainment area, except that volatile organic compounds and nitrogen

oxides are non-attainment air pollutants for ozone non-attainment areas.

(79) “Non-attainment area” means a geographic area which has been designated as

nonattainment pursuant to 40 CFR 81 in accordance with the provisions of 42 USC 7407

(section 107 of the Act).

(80) “Non-minor permit modification” means a change to a permit that is required for

the permittee to lawfully engage in any of the activities or proposed activities at a stationary

source as identified in section 22a-174-2a(d) of the Regulations of Connecticut State

Agencies.

(81) “Offset fill pipe” means a fill pipe that has bends or angles such that a straight sleeve

cannot be installed.

(82) “Opacity” means the degree to which emissions reduce the transmission of light

and obscure the view of an object in the background.

(83) “Open burning” means the burning of any matter in such a manner that the products

of combustion resulting from the burning are emitted directly into the ambient air without

passing through a stack or flue.

(84) “Operator” means the person or persons who are legally responsible for the

operation of a source of air pollution.

(85) “Organic compounds” means any chemical compounds of carbon excluding carbon

monoxide, carbon dioxide, carbonic acid, metallic carbides, metallic carbonates and

ammonium carbonate.

(86) “Particulate matter” or “PM” means any material, except water in uncombined form,

that is or has been airborne and exists as a liquid or a solid in the ambient air.

(87) “PM 2.5” means particulate matter with an aerodynamic diameter less than or equal

to a nominal 2.5 micrometers as measured by a reference method set forth in 40 CFR 50,

Appendix L, and designated as a reference method in accordance with 40 CFR 53 or by an

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Regulations of Connecticut State Agencies
equivalent method approved by the Administrator in accordance with 40 CFR 53.

(88) “PM10” means particulate matter with an aerodynamic diameter less than or equal

to a nominal 10 micrometers as measured by a reference method set forth in 40 CFR 50,

Appendix J, and designated as a reference method in accordance with 40 CFR 53 or by an

equivalent method approved by the Administrator in accordance with 40 CFR 53.

(89) “Permit” means any license issued pursuant to Chapter 446c of the Connecticut

General Statutes.

(90) “Person” means “person” as defined in section 22a-170 of the Connecticut General

Statutes.

(91) “Potential emissions” or “potential to emit” means the maximum capacity of a

stationary source, including all physical and operational limitations, to emit any air pollutant,

including fugitive emissions to the extent quantifiable, provided that:

(A) Any physical limitation on such capacity, not including air pollution

controlequipment, shall be treated as part of the stationary source as determined by the

commissioner or Administrator; and

(B) Any operational limitation on such capacity, including air pollution control

equipment, or a restriction on the hours of operation or on the type or amount of material

processed, stored or combusted, shall be treated as part of the stationary source if the

limitation or restriction is practicably enforceable.

(92) “Practicably enforceable” means:

(A) Any federally enforceable emission limitation or restriction on potential emissions;

or

(B) Any emission limitation or restriction on the potential emissions set forth in a permit,

order, regulation or statute issued or administered by the commissioner, provided such

emission limitation or operational restriction:

(i) identifies the subject stationary source or category of stationary source,

(ii) specifies an emission limitation using a short term emissions rate for such stationary

source expressed in pounds per hour, pounds per unit of production or concentration levels

sufficient to calculate the actual emissions from such stationary source or specifies an

operational restriction for such stationary source such as hours of operation or fuel use

restrictions sufficient to calculate the actual emissions from such source,

(iii) specifies appropriate monitoring to determine compliance with such limitation or

restriction specified in accordance with subclause (ii) of this subparagraph provided that if

a twelve month rolling average is selected, the monitoring shall be CEM or equivalent, and

(iv) if an emission limitation or operational restriction is required to demonstrate that a

state or federal standard does not apply, such emission limitation or restriction shall be

calculated in accordance with subclause (ii) of this subparagraph and expressed using the

shortest technically and economically feasible averaging period, in no case longer than a

twelve month rolling average. If a twelve month rolling average is selected, the monitoring

shall be CEM or equivalent.

(93) “Premises” means the grouping of all stationary sources at any one location and

owned or under the control of the same person or persons.

(94) “Process changes to control air pollution” means any modification that alters or

implements production processes or available methods, including fuel switching, systems,

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techniques, work practice standards, operational standards or a combination thereof which

is designed and implemented for the primary purpose of reducing emissions of air pollutants

from a stationary source.

(95) “Process source” means any operation, process, or activity except:

(A) The burning of fuel for indirect heating in which the products of combustion do not

come in contact with process material;

(B) The burning of refuse; and

(C) The processing of salvageable material by burning.

(96) “Reasonably Available Control Technology” or “RACT” means the lowest emission

limitation that a particular stationary source is capable of meeting by the application of

control technology that is reasonably available considering technological and economic

feasibility.

(97) “Reconstruct” or “reconstruction” means the renovation or re-building of a

stationary source in accordance with the provisions of 40 CFR 60.15. A reconstructed

stationary source shall be considered a new stationary source. The use of an alternative fuel

or raw material by reason of an order in effect pursuant to sections 2(a) and (b) of the Federal

Energy Supply and Environmental Coordination Act of 1974, or superseding legislation,

or by reason of a Natural Gas Curtailment Plan pursuant to the Federal Power Act, or by

reason of an order or rule pursuant to section 125 of the Clean Air Act, shall not be

considered reconstruction.

(98) “Region” means a Connecticut intrastate Air Quality Control Region or the

Connecticut portion of an interstate Air Quality Control Region as defined by the EPA in

40 CFR 81.

(99) “Residual oil” means any fuel oil of No. 4, No. 5, or No. 6 grades, as defined by

ASTM D396-09, Standard Specification for Fuel Oils, or the current active version thereof.

(100) “Resources recovery facility” means “resources recovery facility” as defined in

section 22a-207(9) of the Connecticut General Statutes.

(101) “Ringelmann chart” means the chart published and described in the U.S. Bureau

of Mines Information Circular 8333.

(102) “Secondary emissions” mean “secondary emissions” as defined in 40 CFR

51.165(a)(1)(viii).

(103) “Serious non-attainment area for ozone” means all towns within the State of

Connecticut, except those towns located in the severe non-attainment area for ozone.

(104) “Severe non-attainment area for ozone” means the towns of Bethel, Bridge-port,

Bridgewater, Brookfield, Danbury, Darien, Easton, Fairfield, Greenwich, Mon-roe, New

Canaan, New Fairfield, New Milford, Newtown, Norwalk, Redding, Ridgefield, Sherman,

Stamford, Stratford, Trumbull, Weston, Westport and Wilton.

(105) “Solid waste” means unwanted or discarded materials, including solid, liquid,

semisolid, or contained gaseous material.

(106) “Source” means any property, real or personal, which emits or may emit any air

pollutant.

(107) “Stack” means “stack” as defined in 40 CFR 51.100 (ff), provided that stack shall

also include a flare.

(108) “Standard conditions” means a dry gas temperature of 68 degrees Fahrenheit and

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Regulations of Connecticut State Agencies
a gas pressure of 14.7 pounds per square inch absolute (20 degrees C, 760 mmHg).

(109) “State” as used in the phrase “any other state” means state, region, territory,

commonwealth, military reservation, or Indian reservation.

(110) “State implementation plan” or “SIP” means a plan required by section 110 of the

Act which has been approved by the Administrator.

(111) “Stationary source” means “stationary source” as defined in 40 CFR

51.165(a)(1)(i) and (ii), provided that any portable emissions unit which is moved from site

to site but remains stationary during operation is a stationary source.

(112) “Stripping facility” means any stationary source, except air pollution control

equipment, the primary purpose of which is to remove organic compounds from water, soil

or any other material.

(113) “Submerged fill pipe” means any fill pipe the discharge opening of which remains

entirely submerged when the pipe normally used to withdraw liquid from the tank can no

longer withdraw any liquid.

(114) “Subregion” means a subdivision of a Region, as determined by the commissioner.

(115) “Tank” means any vessel for containing liquids or gases.

(116) “Title V source” means “Title V source” as defined in 22a-174-33 of the

Regulations of Connecticut State Agencies.

(117) “Throughput” means the rate, by volume or mass, of production in a manufacturing

process, where the combined quantities of all materials introduced into the process,

excluding air and water, are used to determine such rate.

(118) “Total suspended particulate” means particulate matter as measured by the method

described in 40 CFR 50, Appendix B.

(119) “Unclassifiable area” means a geographic area which has not been designated

either as an attainment area or a non-attainment area pursuant to 40 CFR 81 in accordance

with the provisions of section 107 of the Clean Air Act.

(120) “Volatile organic compound” or “VOC” means “volatile organic compound” as

defined in 40 CFR 51.100(s), as amended from time to time.

(121) “Waste water separator” means any tank, box, sump, or other container in which

any volatile organic compound floating on or entrained or contained in water entering such

tank, box, sump, or another container is physically separated and removed from such water

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

(122) “Watercourse” means “watercourses” as defined in 22a-38(16) of the Connecticut

General Statutes.

(Effective August 23, 1996; Amended December 22, 1997; Amended March 15, 2002; Amended

April 4, 2006; Amended June 12, 2009; Amended February 1, 2010; Amended January 28, 2011;

Amended September 10, 2012; Amended April 15, 2014)

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Regulations of Connecticut State Agencies