NSCAPCD: Regulation 1, Rule 130 DRAFT: 10

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- 14 page 1 of 1 6 DO NOT CITE OR QUOTE RULE 130

- DEFINITIONS

Except as otherwise specifically provided in these rules and regulations, and except where the context indicates otherwise, words used in these rules and regulations are used in exactly
the same sense as the same words are used in t he Health and Safety Code of the State o f California, the Clean Air Act , and

the Code of Federal Regulations 40 CFR 52.21. Where the federal regulations of 40 CFR 52.21 re fer to the responsibilities of the
administrator of the U.S. Environmental Protectio n Agency, the
term Administrator shall be construed to mean Control Officer.

General Provisions

Except as provided or defined below, the definitions of 40 CFR 52.21 (b), in effect on November 14, 2014
, exc luding the definition provided in 40 CFR 52.21(b) (33), are incorporated herein by reference and made part of this Rule.

(i) The following incorporated provisions of 40 CFR Part
52.21 are revised as follows:

a. The term “administrator” shall read as follows: 1) “EPA administrator” in 40 CFR 52.21(b)(17), (b)(37) (i), (b)(43), (b)(48)(ii)(c), (b)(50)(i), (b)(51), (l)(2) and (p)(2); and 2) “ Air Pollution Control Officer ” elsewhere, as
defined in Rule 130(a)(5)

.

b. The phrase “paragraph (q) of this section” in 40 CFR 52.21(l)(2) and (p)(1) and shall read as follows: the

p ublic notice and comment provisions of Rule 220 (b)(5) through (10).

Definitions

(a1) ACTUAL EMISSIONS: The definition of “actual emissions”

contained in 40 CFR 52.21(b)(21) , which is otherwise incorporated by reference, is revised to read as set forth below
whenever reference is made to that term or 40 CFR 52.21(b)(21): (i) Actual emissions means the actual rate of emissions of a pollutant from an emissions unit, as determined in
accordance with paragraphs (a1) (ii)

- (iv) of this rule. (ii) In general, actual emi ssions as of a particular date shall equal the average rate, in tons per year, at which the unit actually emitted the pollutant during a two

year period which precedes the particular date and whichNSCAPCD: Regulation 1, Rule 130 DRAFT: 10

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- 14 page 2 of 1 6 DO NOT CITE OR QUOTE is representative of normal source operation. The APCO
sha ll allow the use of a different time period upon a determination that it is more representative of normal source operation. (iii) Actual emissions shall be calculated using the unit’s actual operating hours, production rates, and types of materials processed, st ored, or combusted during the selected time period. (iv) The APCO may presume that source

- specific allowable emissions for the unit are equivalent to the actual
emissions of the unit. (v) For any emissions unit which has not begun normal operations on the particula r date, actual emissions shall equal the potential to emit of the unit on that

date.

(a 3 2 ) AGRICULTURAL OPERATION : The growing and harvesting of crops, or the raising of fowl, animals or bees as a gainful occupation, or forest management, or range impro vement or in the improvement of land for wildlife and game habitat, or disease or pest prevention.

(a 4 3 2 ) AIR CONTAMINANT : Any discharge, release, or other propagation into the atmosphere directly, or indirectly, caused by man and includes, but is not l imited to, smoke, charred paper, dust, soot, grime, carbon, fumes, gases, odors, particulate matter, acid, or any combination thereof.

(a 5 4 3 ) AIR POLLUTION ABATEMENT OPERATION : Any operation which has as its essential purpose a significant reduction in t he
emission of air contaminants or the effect of such emission.

(a 6 5 ) AIR POLLUTION CONTROL OFFICER (APCO , or Control Officer ) : The executive offic er appointed by the Board of Directors of the
District pursuant to Chapter 7 of Part 3 of Division 26 of th e California Health and Safety Code (HSC) in effect on November 14, 2014
, to carry out the following duties: (i ) Appoint District personnel, pursuant to HSC Section 40751

and subject to the direction of the District Board , including any deputies necessary for the prompt and faithful discharge of

the A ir P ollution Control Officer’s duties

. (ii ) Observe and enforce , pursuant to HSC Section 40752, all of the following:

(A ) Part 3 and Part 4 of Division 26 of the

HSC (commencing with Section 41500 ). (B ) All orde rs, regulations, and rules prescribed by
the District Board.NSCAPCD: Regulation 1, Rule 130 DRAFT: 10

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- 14 page 3 of 1 6 DO NOT CITE OR QUOTE (C ) All variances and standards which the District Hearing Board has prescribed. (D ) All permit conditions imposed pursuant to Section
42301 and 42301.10. (iii ) Observe and enforce, pursuant to H SC Section 40753, all provisions of Division 12 (commencing with Section 24000) of the Vehicle Code relating to the emission or control of air contaminants, except Sections 27157, 27157.5, 27158, and 27158.5. ( iv ) Observe and enforce all rules
, regulations , and requirements as approved or delegated by the EPA
Administrator

.

(a 7 6 ) ALLOWABLE EMISSIONS: The definition of “allowable
emissions” contained in 40 CFR 52.21(b)(16) , which is otherwise incorporated by reference, is revised to read as set forth below
whenever reference is made to that term or 40 CFR 52.21(b)(16): (i) The phrase “unless the source is subject to federally
enforceable limits which restrict the operating rate, or hours of operation, or both” shall read, “unless the source is subject to enforc eable limits that restrict the operating rate, or hours of operation, or both.” (ii) Paragraph (iii) shall read as follows: “The emissions rate specified as an enforceable permit condition, including those with a future compliance date.”

(a 8 7 4 ) AMBIENT AIR QUA LITY STANDARD : The specific concentrations and durations of air pollutants which reflect the relationship between intensity and composition of pollution to
undesirable effects.

(a 9 8 5 ) APPROVED COMBUSTIBLES : Paper, cardboard, brush, trees, native vegetati on or other materials as approved by the Control
Officer.

(a 10 9 ) AREA CLASSIFICATIONS: The classification of an areas pursuant to the criteria of 40 CFR 52.21(e) and (f). Such
classified areas near the Northern Sonoma County Air Pollution
Control Distri ct are as follows: (i) Class I Areas: All areas designated as a Class I area pursuant to 40 CFR 51.21(e). The only Class I area
within 300km of the District is a ll lands encompassed within the Point Reyes National Seashore. (ii) Class II Areas: All areas not designated as a Class I

area

.NSCAPCD: Regulation 1, Rule 130 DRAFT: 10

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- 14 page 4 of 1 6 DO NOT CITE OR QUOTE ( b1) BASELINE ACTUAL EMISSIONS: The definition of “baseline
actual emissions” contained in 40 CFR 52.21(b)(48) , which is otherwise incorporated by reference, is revised to read as set

forth below whenever reference is mad e to that term or 40 CFR 52.21(b)(48): (i) Baseline actual emissions means the actual rate of emissions of a pollutant from an emissions unit, as
determined in accordance with paragraphs (b1)(ii)

– (iv)
of this rule. (ii) In general, baseline actual emissions as of a p articular date shall equal the average rate, in tons per year, at which the unit actually emitted the pollutant during a 24 month period which precedes the particular date and
which is representative of normal source operation. The

APCO shall allow the use of a different time period upon a determination that it is more representative of normal source operation. Baseline actual emissions shall be calculated using the unit’s actual operating hours, production rates, and types of materials processed,

store d, or combusted during the selected time period. (iii) The APCO may presume that source

- specific allowable emissions for the unit are equivalent to the actual
emissions of the unit. (iv) For any emissions unit which has not begun normal operations on the particular d ate, baseline actual emissions shall equal the potential to emit of the unit

on that date.

(b2) BASELINE CONCENTRATION : That ambient concentration level

which exists in the baseline area at the time of the establishment of the applicable minor source b aseline date

. as determined in accordance with Section 52.21 of the Code of Federal Regulations. ( Ref: 52.21(b)(13)) (i) A baseline concentration is determined for each pollutant for which a minor source baseline date is
established and shall include: ( a ) The actual emissions, representative of sources in existence on the applicable minor source baseline date, except as provided in paragraph (ii) below;

and ( b ) The allowable emissions of major stationary sources that commenced construction before the major so urce baseline date, but were not in operation by the applicable minor source baseline date.NSCAPCD: Regulation 1, Rule 130 DRAFT: 10

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- 14 page 5 of 1 6 DO NOT CITE OR QUOTE (ii) The following will not be included in the baseline concentration and will affect the applicable maximum allowable increase(s): (a ) Actual emissions, from any major stationary source on which construction commenced after the major source baseline date; and ( b ) Actual emissions increases and decreases, at any stationary source occurring after the minor source
baseline date.

(b 3 2 ) BASE UNIT: Any major emittin g device, process line, or other equipment or grouping thereof, that emits, or has the potential to emit, regulated air pollutants; for the purposes of this rule, the term base unit shall include, but shall not be limited to, any of the following:

1) any major emitting device or process line, or 2) any aggregate production line, including a primary crusher and associated crushers, screens, conveyors, stackers, and piles, or 3) any cement batch plant, or 4) any asphalt hot mix plant, or 5) any debarker and head rig, or 6) any rip and gangsaw line, or 7) any planing operation, or 8) any cooling tower, or 9) any vent gas treatment system, or 10) any burner/scrubber system, or
11) any stretford system, or 12) any geothermal production, injection, observation, o r idle steam well and geothermal steam transmission system, or aggregation thereof, that provide steam to

- or are included in the steamfield of a single or

dual

- unit geothermal electrical power generation plant, or 13) any onsite combustion device used fo r power or process heat generation, except for emergency standby generators or any device that is covered under another
base unit definition in this rule. 14) any geothermal well drilling operation, or aggregation thereof, conducted on a company’s leasehol d.

(b 4 3 ) BEST AVAILABLE CONTROL TECHNOLOGY (BACT) : An emission limitation based on the maximum degree of reduction of each air contaminant subject to regulation under the Clean Air Act emitted from or which results from any stationary source or
modificat ion, which the Control Officer, on a case by caseNSCAPCD: Regulation 1, Rule 130 DRAFT: 10

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- 14 page 6 of 1 6 DO NOT CITE OR QUOTE basis, taking into account energy, environmental, and economic impacts and other costs, determines is achievable for such stationary source through application of production processes
and available methods , syste ms, and techniques for control of

such air contaminants. Said BAC T determinations may include a design standard, operational equipment specifications, fuel restrictions, work practice or combination thereof. In no event shall application of BACT r esult in emissions of any pollutants
which wi ll exceed the emissions allowed under Rules 490 and 492 of this regulation. If the reviewing authority District determines that technological or economic limitations on the application of measurement methodology to a particular emissions unit would make the imposition of an emissions standard infeasible, a design, equipment, work practice, operational standard or combination thereof, may be prescribed instead to satisfy the requirements for the application of BAC T. ( Ref: 52.21( b)(12 ))

(c1) COMBUSTION CONTAMINANTS : Matter discharged into the atmosphere from the burning of any kind of material, excluding
carbon dioxide and water.

(c2) CONTROL OFFICER : The Air Pollution Control Officer of the

District

.

(c 3 2 ) CONTROL STRATEGY : A combination of measures designed to

reduce air contaminant emissions in accordance with the State Implementation Plan for the California North Coast Air Basin.

(d1) DISTRICT : The County Air Pollution Control District as required b y Section 40002 of the California Health and Safety
Code or a multi

- cou nty unified district authorized by Chapter 3, Part 3, Division 26 of said code.

(d2) DUST : Minute solid particles released into the air by natural forces or by mechanical processes su ch as crushing, grinding, milling, drilling, demolishing, shoveling, conveying, bagging, sweeping, etc

(e1) EMISSION : The act of passing into the atmosphere an air contaminant or gas stream which contains an air contaminant, or the air contaminant so p assed into the atmosphere.

(e2) EPISODE ALERT : A condition in an air basin whenever the concentration of any air contaminant in that air basin has been verified to have reached a predetermined level which threatens the ambient air quality standard as de fined in Rule 160NSCAPCD: Regulation 1, Rule 130 DRAFT: 10

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- 14 page 7 of 1 6 DO NOT CITE OR QUOTE depending upon the particular topography and meteorology of the air basin. "Verified" means the pertinent measuring instrument has been checked over the following fifteen

- minute period and found to be operating correctly.

(g1) GEOTHERMA L OPERATIONS : Those activities related to the extraction, transmission, and utilization of geothermal steam which may directly, or indirectly, result in air contaminant
emissions.

(g2) GREENHOUSE GASES (GHGs): A gas that has the capacity to

create a war ming effect in the earth’s atmosphere; for the purposes of this rule : carbon dioxide (CO2), nitrous oxide (N2O), methane (CH4), hydrofluorocarbons (HFCs), perfluorocarbons (PFCs), and sulfur hexafluoride (SF6).

(h1) HEARING BOARD : The appellate review b oard of the District as provided for by Section 40800 of the California Health and Safety Code.

(i1) INDIRECT SOURCE : A facility, building, structure or installation, or combination thereof, which indirectly results
in emissions of an air contaminant as a result of traffic greater than 20,000 or more vehicles per day within 10 years of construction; any new or modified facility which provides in excess of 1,000 new parking spaces; or any new or modified airport with more than 50,000 operations per year b y regularly scheduled air carriers, or used by 1,600,000 or more passengers

per year.

(i2) INSTALLATION : The placement, assemblage or construction of equipment or control apparatus at the premises where the equipment or control apparatus will be used, a nd includes all preparatory work at such premises

(k1) KRAFT PULP MILL : Any industrial operation which uses for a cooking liquor an alkaline sulfide solution containing sodium sulfide in its pulping process.

(k2) KRAFT PULP

- MILL NON

- CONDENSIBLES : The TRS portion of any gases and vapors released in a kraft pulp mill from the digester flash steam condensers, blow tanks, multiple effect evaporator vacuum seal tanks, multiple effect evaporator condensers, and condensate strippers.

(k3) KRAFT PULP MILL P RODUCTION : Tons of air

- dried unbleached kraft pulp produced by a kraft pulp mill, or equivalent. ANSCAPCD: Regulation 1, Rule 130 DRAFT: 10

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- 14 page 8 of 1 6 DO NOT CITE OR QUOTE value equal to 50 percent of the weight of dry wood charged into the kraft cooking process may be substituted for those mills
where a value of air

- dried un bleached kraft pulp is not readily
obtainable.

(k4) KRAFT RECOVERY FURNACE : The combustion device in which pulping chemicals are converted to a molten smelt and wood solids are incinerated. For these regulations, and where present, this term shall incl ude the direct contact evaporator.

(l1) LIME KILN : Any production device in which calcium carbonate is thermally converted to calcium oxide.

(m1) MAJOR MODIFICATION: The definition of the term “Major

Modification ” as defined in 40 CFR 52.21(b)(2) , w hich is
otherwise incorporated by reference for the purpose of Rules 200
and 220
, shall be revised to read as: any physical change in or change in the method of operation that would result in increase of a regulated pollutant which exceeds the significant emission rates specified in Rule 130(s2)

.

(m2) MAJOR STATIONARY SOURCE: The definition of the term “Major stationary source” as defined in 40 CFR 52.21(b)(1)
, which is otherwise incorporated by reference for the purpose of
Rules 200 and 220
, shall be re vised to read as: Any stationary source which emits, or has the potential to emit, a regulated pollutant above which exceeds the significant emission rates specified in Rule 130(s2)

.

(m3) MODELING : A procedure for estimating the ambient air

concentratio n of air contaminants based upon emission profiles, dispersion simulations or other techniques approved by the Environmental Protection Agency, California Air Resources Board and the Control Officer. ( Ref: 52.21( l ))

(m 4 2 ) MODIFICATION : Any physical chan ge in, or in the method of operation of any stationary source which increases the amount of any air contaminant emitted into the atmosphere by that

source.

(n1) NET INCREASE IN EMISSIONS : EMISSIONS INCREASE: The
definition of “net emissions increase” co ntained in 40 CFR 52.21(b)(3) is revised to read as set forth below whenever
reference is made to that term or 40 CFR 52.21(b)(3): (i) Net emissions increase means the amount by which the sum of the following exceeds zero:NSCAPCD: Regulation 1, Rule 130 DRAFT: 10

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- 14 page 9 of 1 6 DO NOT CITE OR QUOTE a. Any increase in actual emissions from a particular physical change or change in method of operation at a stationary source; and

b. Any other increases and decreases in actual emissions

at the source that are contemporaneous with the particular change and are otherwise creditable. (ii) An increase or decrease in actual emissions is contemporaneous with the increase from the particular change only if it occurs between:

a. The date five years before construction on the particular change commences; and

b. The date that the increase from the particular change

oc curs. (iii) An increase or decrease in actual emissions is creditable only if the Administrator has not relied on it in issuing a permit for the source under this section, which permit is in effect when the increase in actual emissions from the particular change occurs. An
increase or decrease in actual emissions of sulfur dioxide, particulate matter, or nitrogen oxide, which

occurs before the a pplicable minor source baseline date is creditable only if it is required to be considered in calculating the amount of maximum allowable increases remaining available. With respect to particulate matter, only PM10 emissions can be used to evaluate the net
emissions increase for PM10. (iv) An increase in actual emissions is creditable only to

the extent that the new level of act ual emissions

exceeds the old level. (v) A decrease in actual emissions is creditable only to the

extent that:

a. The old level of actual emissions or the old level of allowable emissions, whichever is lower, exceeds the new level of actual emissions;

b. It is feder ally enforceable at and after the time
that actual construction on the particular change begins; and

c. It has appr oximately the same qualitative significance for public health and welfare as that
attributed to t he increase from the particular change. (vi) An incr ease that results from a physical change at a

source occurs when the emissions unit on which construction occurred becomes operational and begins to emit a particular pollutant. Any replacement unit that requires shakedown becomes operational only after a reasonable shakedown period, not to exceed 180 days. TheNSCAPCD: Regulation 1, Rule 130 DRAFT: 10

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- 14 page 10 of 1 6 DO NOT CITE OR QUOTE amount by which the sum of any increase in actual emissions from a particular physical change or change in method of operation at a stationary source, and any
other increases and decreases in actual e missions at the
source that are creditable in accordance with 40 CFR
52.21 (b)(3) and (21 ), exceeds zero.

(o1) OPERATION : Any physical action resulting in a change in the location, form or physical properties of a material, or any
chemical action resulti ng in a change in the chemical composition or the chemical or physical properties of a
material.

(o2) ORCHARD,VINEYARD, OR CITRUS GROVE HEATER : Any article, machine, equipment or other contrivance, burning any type of fuel or material capable of emittin g air contaminants, used or capable of being used for the purpose of giving protection from frost damage.

(o3) ORGANIC GAS : Any gas containing carbon and hydrogen, or carbon and hydrogen in combination with any other element.

(o4) OTHER KRAFT MILL SO URCES : Sources of TRS emissions in a kraft mill other than recovery furnaces and lime kilns, including but not limited to: vents from knotters, brown stock washers, smelt tanks, black liquor oxidation systems, tall oil recovery operations, and any other v ent which contributes over 1 percent of the total kraft mill TRS emissions.

(o5) OWNER : Includes, but is not limited to, any person who leases, supervises or operates equipment, in addition to the normal meaning of ownership.

(p1) PARTICULATE MATTER : Any material, except uncombined water, which exists in a finely divided form as a liquid or
solid at standard conditions. Specific size fractions of particulate matter are defined as follows: (i) PM 2.5 means particulate matter, both filterable and

condensabl e, with an aerodynamic diameter less than or equal to a nominal two and one half (2.5) micrometers. (ii) PM 10 means particulate matter, both filterable and condensable, with an aerodynamic diameter less than or equal to a nominal ten (10) micrometers.

(p2) PE RMIT : Refers to either an authority to construct, temporary permit to operate or permit to operate, whichever is leg ally in effect. For purposes of prevention of significantNSCAPCD: Regulation 1, Rule 130 DRAFT: 10

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- 14 page 11 of 1 6 DO NOT CITE OR QUOTE deterioration enforceability, the permit to operate will be
considered a modifie d authority to construct.

(p3) PERSON OR PERSONS : An individual, public or private corporation, political subdivision, agency, board, department or bureau of the state, municipality, partnership, copartnership, firm, association, trust or estate, or any other legal entity whatsoever which is recognized in law as the subject of rights
and duties.

(p4) POTENTIAL TO EMIT : The maximum capacity of a stationary source to emit an air contaminant under its physical and operat ional design, after considering ph ysical an d operational
limitations that are enforceable by conditions imposed by the district in both the Authority to Construct and Permit to Operate. ( Ref: 52.21 (b)(4))

(p5) PPM : Parts per million by volume expressed on a dry gas

basis.

(p6) PRECURSOR : A substance that, when released to the atmosphere, forms or causes to be formed or contributes to the formation of another or secondary air pollutant for which a national ambient air quality standard has been adopted, or whose presence in the atmospher e will contribute to the violation of one or more national ambient air quality standards. Presently identified precursors and secondary pollutants are:

PRESCURSORS SECONDARY POLLUTANTS

Volatile Organic Compounds Photochemical oxidants (Ozone ) Organic fraction of PM10 Nitrogen Oxides (NOx) Photochemical oxidants (Ozone) Nitrogen dioxide (NO2)
Nitrate fraction of PM10
Nitrate fraction of PM2.5 Sulfur Oxides (SOx) Sulfur dioxide (SO2) Sulfates (SO4)
Sulfate fraction of PM10
Sulfate fracti on of PM2.5

(p7) PREVENTION OF SIGNIFICANT DETERIORATION (PSD) INCREMENT : The maximum allowable increase of ambient air quality above
baseline concentration in the three classified areas.

ALLOWABLE PSD INCREMENTSNSCAPCD: Regulation 1, Rule 130 DRAFT: 10

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- 14 page 12 of 1 6 DO NOT CITE OR QUOTE micrograms per cubic meter

Class I Class II Class III

Sulfur Dioxide
annual arithmetic mean 2 20 40

24

- hour maximum* 5 91 182
3

- hour maximum * 25 512 700

Particulate Matter (PM10)
annual arithmetic mean 4 17 34

24

- hour maxi mum* 8 30 60

Particulate Matter (PM2.5)
annual arithmetic mean 1 4 8

24

- hour maximum* 2 9 18

Nitrogen Dioxide
Annual arithmetic mean 2.5 25 50

* Not to be exceeded more than once a year , in any on e location

.

(p8) PROCESS WEIGHT PER HOUR : The total weight, including contained moisture of all materials introduced into any specific process which process may cause any discharg e into the atmosphere. Solid fuels charged will be considered as part of the process weight, bu t liquid and gaseous fuels and combustion air will not. The "process weight per hour" will be derived by dividing the total process weight by the number of hours in one complete operation from the beginning of any given process to

th e completion thereof, excluding any time during which the equipment is idle. For continuous processes, the average hourly total weight of materials introduced into the process will be
used in calculations.

( s1) SECTION : Refers to a section of the Heal t h and Safety

Code of the State of Californi a unless some other statute is specifically mentioned.

(s2) SIGNIFICANT : The potential of a new or modified stationary source to emit air contaminants that would equal or exceed any of the following rates: ( Ref : 52.21(b)(23)(i))NSCAPCD: Regulation 1, Rule 130 DRAFT: 10

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- 14 page 13 of 1 6 DO NOT CITE OR QUOTE Air Contaminant: Significant Emission Rate

Carbon monoxide : 100 tons per year (tpy) Nitrogen oxide: 40 tpy
Sulfur dioxide: 40 tpy
Particulate matter: 25 tpy PM10 15 tpy PM2.5 10 tpy of d irect PM2.5 emissions; 40 tpy of sulfur dioxide emissions; 40 tpy of nitrogen oxide
emissions.

Ozone: 40 tpy of volatile organic compounds or nitrogen oxides

Lead: 0.6 tpy

Asbestos: 0.007 tpy Beryllium: 0.0004 tpy

Merc ury: 0.1 tpy Vinyl chloride: 1 tpy
Fluorides: 3 tpy
Sulfuric acid mist: 7 tpy Hydrogen sulfide (H 2 S): 10 tpy
Total reduced sulfur (including H 2 S): 10 tpy Reduced sulfur compounds (including H 2 S): 10 tpy Municipal waste combustor s:
O rganic emissi ons : 3.2 × 10

- 6 megagrams per year ( 3.5 × 10

- 6 tons per year ) (measured as total tetra

through octa

- chlorinated
dibenzo

- p

- dioxins and
dibenzofurans )

M etals emissions : 14 megagrams per year (15 tons per year) (measured as particulate matter)

A cid gas emis sions: 36 megagrams per year (40 tons per year) (measured as sulfur dioxide and hydrogen chloride) Municipal solid waste landfill s:
N onmethane organic compounds: 45 megagrams per year (50 tons per year)

Greenhouse Gases:NSCAPCD: Regulation 1, Rule 130 DRAFT: 10

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- 14 page 14 of 1 6 DO NOT CITE OR QUOTE For the pur pose of Rule 220 only
, and not for incorporation into the SIP : as specified in Rule 221.4.1
or 221.4.3 For the purpose of Regulation 5 only , and not for incorporation into the SIP : as specified in Rule 221.4.2 Other pollutants regulated under the Clean Air Act: any emissions rate whatsoever ( Ref: 52.21(b)(23)(ii)).

Notwithstanding the above significant emission rates for various air contaminants, significant also means any net emission increase from any new or modified stationary source which would
be constructed within 10 k ilometers of a Class I area and have an air quality impact on such area equal to or greater than 1 microgram per cubic meter (24 hour average). ( Ref: 52.21(b)(23)(iii))

(s3) SMALL BUSINESS: (1) Any business activity in agriculture, general constructi on, special trade construction, retail trade, wholesale trade, services, transportation and warehousing, manufacturing, generation and transmission of electric power, or a health care facility, unless excluded in paragraph (2), that is both of the
followin g:
A. Independently owned and operated, and

B. Not dominant in its field of operation. (2) “Small business” does not include the following professional business activities:

A. A financial institution or bank, a trust, a savings and loan association, a th rift institution, a consumer finance company, a commercial finance company, an industrial finance company, a credit union, a mortgage and investment banker, a securities broker

- dealer, or
an investment adviser.

B. An insurance company, either stock or mutu al.

C. A mineral, oil, or gas broker; a subdivider or developer.

D. A landscape architect, an architect, or a building designer.

E. An entity organized as a nonprofit institution.

F. An entertainment activity or production, including a motion picture, a st age performance, a television or radio station, or a production company.

G. A utility, a water company, or a power transmission company generating and transmitting more than 4.5 million kilowatt hours annually.NSCAPCD: Regulation 1, Rule 130 DRAFT: 10

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- 14 page 15 of 1 6 DO NOT CITE OR QUOTE H. A petroleum producer, a natural gas produc er, a refiner, or a pipeline.

I. A business activity exceeding the following annual gross receipts in the categories of: (i) Agriculture, one million dollars ($1,000,000). (ii) General construction, nine million five hundred thousand dollars ($9,500,000). (iii) Special trade construction, five million dollars ($5,000,000). (iv) Retail trade, two million dollars ($2,000,000).
(v) Wholesale trade, nine million five hundred thousand dollars ($9,500,000). (vi) Services, two million dollars ($2,000,000). (vii) T ransportation and warehousing, one million five hundred thousand dollars ($1,500,000).

J. A manufacturing enterprise exceeding 250 employees.

K. A health care facility exceeding 150 beds or one million five hundred thousand dollars ($1,500,000) in annual g ross receipts.

Ref: State Government Code § 11342(h)

(s4) SMELT DISSOLVING TANK : A vessel used for dissolving the molten salts (smelt) recovered from the kraft recovery furnace.

(s5) STACKING : The venting of geothermal steam from associated

unit ste am supply transmission line into the atmosphere during associated power plant shutdowns (outages), startups or load
curtailments.

(s6) STANDARD CONDITIONS : As used in these regulations, refers to a gas temperature of 20 degrees Centigrade (68 degrees

Fa hrenheit) and a gas pressure of 760 millimeters of mercury absolute (14.7 pounds per square inch absolute).

(s7) STANDARD CUBIC METER OF GAS (STANDARD CUBIC FOOT OF GAS) : The amount of gas that would occupy the specified cubic measure,
if free of combin ed water, at standard conditions.

(s8) STATIONARY SOURCE : All units of air contaminant emitting articles, machines, equipment or other contrivances, which are located on adjacent or contiguous properties under the control of the same person (or persons under common control) and all of which are determined by the Control Officer to be related to o ne another through a similar product, raw material or function and
are included in the same standard industrial classification.NSCAPCD: Regulation 1, Rule 130 DRAFT: 10

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- 14 page 16 of 1 6 DO NOT CITE OR QUOTE (s9) STEAM GENERATING UNIT : An y furnace or boiler used in the process of burning fuel for the purpose of producing steam by

heat transfer.

(s10) SUBJECT TO REGULATION: Paragraph (ii)(a) of t T he
definition of the term “Subject to regulation” as defined in 40

CFR 5 2.21(b)(49), which is otherwise incorporated by reference, shall be revised to read as: “Multiplying the mass amount of emissions (tpy), for each of the six greenhouse gases in the pollutant GHGs, by the gas’s associated global warming potential published at Table A

- 1 to subpa rt A of part 98 of this chapter

— Global Warming Potentials.” Paragraph (v) of the definition of the term “Subject to regulation” as defined in 40 CFR 52.21(b)(49), which is otherwise incorporated by reference,

shall be deleted in its entirety

.

(t1) TOTAL REDUCED SULFUR (TRS) : "TRS" means total reduced sulfur contained in hydrogen sulfide, mercaptans, dimethyl sulfide, dimethyl disulfide or other organic sulfide compounds, all expressed as hydrogen sulfide. Sulfur dioxide, sulfur trioxide, or sulfuric aci d mist
, are not to be included in the
determination of TRS.

(t2) TOXIC AIR CONTAMINANT (TAC) : A toxic air contaminant (TAC) is any substance identified by the Air Resources Board as a toxic air contaminant pursuant to California Health and Safety

Code S ection 39650 et. seq.

(t3) TRADE SECRETS : As used in these rules and regulations, Trade Secrets include, but are not limited to, any formula, pattern, process, tool, mechanism, compound, procedure, production data, or compilation of information which is not patented, which is known only to certain individuals within a commercial concern who are using it to fabricate, produce, or compound an article of trade or to perform a service having commercial value, and which gives its user an opportunity to
obtain a business advantage over competitors who do not know or
use it.