SJVUAPCD 1020 - 1 2/21/13

RULE 1020 DEFINITIONS (Adopted June 18, 1992; Amended December 17, 1992; Amended 

December 16, 1993; Amended April 13, 1995; Amended May 16, 1996; 

November 13, 1996; Amended December 18, 1997; Amended June 17, 1999; 

Amended January 15, 2009; Amended February 21, 2013)

1.0 Purpose

The purpose of this rule is to define certain words used in these regulations. Except as 

otherwise specifically provided in these rules and except where the context otherwise 

indicates, words used in these rules are used in exactly the same sense as the same words 

are used in Division 26 (Air Resources) of the California Health and Safety Code. 

2.0 Applicability

This rule shall apply to the use of terms in all of the San Joaquin Valley Unified Air 

Pollution Control District Rules and Regulations except where otherwise indicated. 

3.0 Definitions

3.1 Affected Pollutants: those pollutants for which an ambient air quality standard has 

been established by the Environmental Protection Agency or by the ARB and the 

precursors to such pollutants, and those pollutants regulated by the Environmental 

Protection Agency under the Federal Clean Air Act or by the ARB under the 

Health and Safety Code including volatile organic compounds, nitrogen oxides, 

sulfur oxides, PM-10, carbon monoxide, ethylene, lead, asbestos, beryllium, 

mercury, vinyl chloride, fluorides, sulfuric acid mist, hydrogen sulfide, total 

reduced sulfur, and reduced sulfur compounds, and those pollutants which the 

Environmental Protection Agency, after due process, or the ARB or the District, 

after public hearing, determine may have a significant adverse effect on the 

environment, the public health, or the public welfare.

3.2 Air Contaminants: any discharge, release, or other propagation into the 

atmosphere directly or indirectly, caused by man and includes, but is not limited 

to, smoke, charred paper, dust, soot, grime, carbon, noxious acids, fumes, gases, 

odors, or particulate matter, or any combination thereof.

3.3 Air Pollution Control Officer (APCO): the Air Pollution Control Officer of the 

San Joaquin Valley Unified Air Pollution Control District.

3.4 Air Resources Board (ARB or CARB): the state Air Resources Board as 

established by Health and Safety Code section 39510, or any person authorized to 

act on its behalf.
SJVUAPCD 1020 - 2 2/21/13

3.5 Alteration: any addition to, enlargement of, replacement of, or any major 

modification or change in the design, capacity, process, or arrangement, or any 

increase in the connected loading of, equipment or control apparatus, which will 

significantly increase or affect the kind or amount of air contaminants emitted.

3.6 Ambient Air Quality Standards: the state and National Ambient Air Quality 

Standards. (In the inclusion of this rule in the State Implementation Plan, all 

references in these regulations to ambient air quality standards shall be interpreted 

as National Ambient Air Quality Standards.)

3.7 Atmosphere: the air that envelops or surrounds the earth. Where air pollutants 

are emitted into a building or structure not designed specifically as a piece of air 

pollution control equipment, such emissions into the building or structure shall be 

considered emissions into the atmosphere.

3.8 Board: the Governing Board of the San Joaquin Valley Unified Air Pollution 

Control District.

3.9 Central Kern County Fields: that portion of Kern County within boundaries 

described as: 

• Beginning at a point common to the northerly boundary line of Kern County, 

and the center line of Interstate Hwy. 5 and following Interstate Hwy. 5 in a 

southeasterly direction to a point on the line between Township 10N and 

Township 11N, San Bernardino Base and Meridian (SBB&M); 

• thence east on said line between Township 10N and Township 11N to a point

on the line between Range 17W and Range 18W SBB&M; 

• then north to the northwest corner of Section 35, Township 31S, Range 30E, 

Mount Diablo Base and Meridian (MDB&M);

• then northeast along the boundary of the Rancho El Tejon Land Grant to the 

northwest corner of Section 19, Township 31S, Range 31E, MDB&M;

• then north to the southwest corner of Section 6, Township 30S, Range 31E, 

MDB&M; 

• thence north along said line between Range 30E and Range 31E to a point on 

the line between Township 28S and Township 29S, MDB&M; 

• thence east along said line between Township 28S and Township 29S to a point 

on the line bearing in a northerly direction between Range 30E and Range 

31E, MDB&M; 

• thence north along said line between Range 30E and Range 31E, MDB&M, to 

a point on the northerly boundary line of Kern County; 

• thence west along said boundary to the point of beginning. (See Figure 1.) 

3.10 Clean Produced Water: water containing less than 35 milligrams of VOC per liter, 

as determined by EPA Test Method 413.2, or 418.1 and/or, if necessary, EPA 
SJVUAPCD 1020 - 3 2/21/13

Test Method 8240. Hydrocarbons heavier than C14, as determined by Test 

Method ASTM E 260-85, may be excluded from the total concentration.

3.11 Combustible Refuse: any solid or liquid combustible waste material containing 

carbon in a free or combined state.

3.12 Combustion Contaminants: particulate matter discharged into the atmosphere from 

the burning of any kind of material containing carbon in a free or combined state.

3.13 Cyclic Well: any crude oil production well which is periodically (at least once in 

the preceding five (5) year period) injected with steam from any source for the 

purpose of enhancing oil production.

3.14 District: the San Joaquin Valley Unified Air Pollution Control District including 

Fresno, Kings, Madera, Merced, San Joaquin, Stanislaus, and Tulare Counties, 

and the San Joaquin Valley Air Basin portion of Kern County.

3.15 Dust: minute, solid particles released into the air by natural forces or by 

mechanical processes such as crushing, grinding, milling, drilling, demolishing, 

shoveling, conveying, covering, bagging, sweeping, or other similar processes.

3.16 Emission: the act of passing into the atmosphere of an air contaminant or gas 

stream which contains an air contaminant, or the air contaminant so passed into the 

atmosphere.

3.17 Emission Point: the place at which air contaminants enter the atmosphere.

3.18 Flue: any duct or passage for air, gases, or the like, such as a stack or chimney.

3.19 Fresno County Oil Fields: that portion of Fresno County westerly of the following 

described line:

• Beginning at a point common to Kings, Monterey and Fresno counties, which 

point also being the most southerly point of Fresno County; 

• thence northerly and easterly along the Fresno County line to a point on the 

line common to Ranges 20 East and 21 East; 

• thence northerly along said range line to a point on the line common to 

Townships 16 South and 17 South; 

• thence northwesterly on a straight line from that point through the southeast 

corner of Township 13 South, Range 17 East, to its intersection with the 

northerly boundary line of Fresno County (See Figure 2).
SJVUAPCD 1020 - 4 2/21/13

3.20 Fuel Burning Equipment: 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 by indirect heat transfer.

3.21 Fuel Burning Unit: the minimum number of fuel burning equipment, the 

simultaneous operation of which are required for the production of useful heat or 

power.

3.22 Fumes: minute, solid particles that are generated by the condensation of vapors 

from solid matter after volatilization from the molten state, or that may be 

generated by sublimation, distillation, calcination, or chemical reaction, when 

these processes create air-borne particles.

3.23 Hearing Board: the Hearing Board of the San Joaquin Valley Unified Air 

Pollution Control District.

3.24 Installation: the placement, assemblage, or construction of equipment or control 

apparatus at the premises where the equipment or control apparatus will be used, 

and includes all preparatory work at such premises.

3.25 Institutional Facility: any hospital, boarding home, school, corporation yard, or 

like facility.

3.26 Loading Rack: any aggregate or combination of equipment which loads organic 

liquid into tank trucks, trailers or railroad tank cars. The loading rack is the 

portion from the connection at the inlet of the organic liquid pump to and including 

the hose and connector at the portable delivery tank.

3.27 Multiple Chamber Incinerator: any source operation, structure, or any part of a 

structure used to dispose of combustible refuse by burning, consisting of three (3) 

or more refractory lined combustion furnaces in series, physically separated by 

refractory walls, interconnected by gas passage ports or ducts, and employing 

adequate design parameters necessary for maximum combustion of the material to 

be burned. The refractories shall have a pyrometric cone equivalent of at least 17, 

tested according to the method described in the American Society for Testing 

Materials, Method C-24. 

3.28 Nonattainment Pollutant: any pollutant for which an ambient air quality standard 

was exceeded within the District more than three (3) discontinuous times (or, for 

annual standards, more than one (1) time) within the three (3) years immediately 

preceding the date when the application for the Authority to Construct was filed, 

or which has been designated nonattainment pursuant to final rule-making by the 

Environmental Protection Agency published in the Federal Register, or which has 

been designated nonattainment by the ARB pursuant to Section 39607 of the 
SJVUAPCD 1020 - 5 2/21/13

Health and Safety Code. Any pollutant which is a precursor to a nonattainment 

pollutant is, itself, a nonattainment pollutant.

3.29 Open Outdoor Fire: the combustion of any combustible refuse, or other material 

of any type, outdoors in the open air, not in any enclosure where the products of 

combustion are not directed through a flue.

3.30 Operation: any physical action resulting in a change in the location, form, or 

physical properties of a material, or any chemical action resulting in a change in 

the chemical composition or the chemical or physical properties of a material.

3.31 Owner: includes but is not limited to any person who leases, supervises, or 

operates equipment, in addition to the normal meaning of ownership.

3.32 Particulate Matter: any material except uncombined water, which exists in a finely 

divided form as a liquid or solid at standard conditions.

3.33 Person: any person, firm, association, organization, partnership, business trust, 

corporation, company, contractor, supplier, installer, user or owner, or any state 

or local governmental agency or public district or any officer or employee thereof.

3.34 Pit: an excavation intended for use under normal conditions for the intermittent or 

emergency collection of crude oil and water. 

3.35 Pond: an excavation used for the storage of clean produced water as defined in 

this rule prior to reuse or disposal. 

3.36 PM-10: particulate matter with an aerodynamic diameter smaller than or equal to 

a nominal ten (10) microns as measured by the applicable state and federal 

reference test methods.

3.37 PPM (ppm): parts per million by volume expressed on a dry gas basis.

3.38 Process Weight: the total weight of all materials introduced into any specific 

source operation, which operation may cause any discharge into the atmosphere. 

Solid fuels charged are considered as part of the process weight, but liquid and 

gaseous fuels and combustion air are not.

3.39 Process Weight Rate: derived by dividing the total process weight by the number 

of hours in one (1) complete cycle of operation from the beginning of any given 

process to the completion thereof, excluding any time during which the equipment 

is idle.
SJVUAPCD 1020 - 6 2/21/13

3.40 Regulation: one of the major subdivisions of the rules of the San Joaquin Valley 

Unified Air Pollution Control District.

3.41 Residential Rubbish: refuse originating from residential uses and includes wood, 

paper, cloth, cardboard, tree trimmings, leaves, lawn clippings, and dry plants.

3.42 Rubbish: combustible and noncombustible solid wastes of commercial and 

industrial establishments, institutions, etc., exclusive of the highly putrescible 

wastes (garbage). Rubbish consists of such materials as paper, metal, wood, cans, 

furniture, yard trimmings, and ceramics.

3.43 Rule: a rule of the San Joaquin Valley Unified Air Pollution Control District.

3.44 San Joaquin Valley Air Basin: all of San Joaquin, Stanislaus, Merced, Madera, 

Fresno, Kings, and Tulare Counties, and that portion of Kern County which lies 

west and north of a line described as follows:

• Beginning at the Kern-Los Angeles County boundary and running north and 

east along the northwest boundary of the Rancho La Liebre Land Grant to the 

point of intersection with the township line common to T.9.N and T.10.N, San 

Bernardino Base and Meridian (SBB&M);

• then west along the township line to the range line common to R.16.W and 

R.17.W, SBB&M; 

• then north along the range line to the point of intersection with the Rancho El 

Tejon Land Grant boundary;

• then southeast, northeast, and northwest along the boundary of the Rancho El 

Tejon Land Grant to the northwest corner of S.3, T.11.N, R.17.W, SBB&M; 

• then west 1.2 miles;

• then north to the Rancho El Tejon Land Grant boundary;

• then northwest along the Rancho El Tejon line to the southeast corner of S.34, 

T.32.S, R.30.E, Mount Diablo Base and Meridian (MDB&M);

• then north to the northwest corner of S.35, T.31.S, R.30.E, MDB&M; 

• then northeast along the boundary of the Rancho El Tejon Land Grant to the 

southwest corner of S.18, T.31.S, R.31.E, MDB&M; 

• then east to the southeast corner of S.13, T.31.S, R.31.E, MDB&M; 

• then north along the range line common to R.31.E, and R.32.E, to the 

northwest corner of S.6, T.29.S, R.32.E, MDB&M; 

• then east to the southwest corner of S.31, T.28.S, R.32.E, MDB&M; and 

• then north along the range line common to R.31.E and R.32.E, the northwest 

corner of S.6, T.28.S, R.32.E, MDB&M;

• then west to the southeast corner of S.36, T.27.S, R.31.E, MDB&M; 

• then north along the range line common to R.31.E, and R.32.E,to the Kern -

Tulare County boundary.
SJVUAPCD 1020 - 7 2/21/13

3.45 Small Producer: a person who produces an average of less than 6,000 barrels per 

day of crude oil from all operations in the county, and does not engage in refining, 

transporting or marketing of refined petroleum products.

3.46 Source Operation: the last operation preceding the emission of any air 

contaminant, which: 

3.46.1 Results in the separation of the air contaminant from the process materials 

or in the conversion of the process materials into air contaminants, as in the

case of combustion of fuels; and

3.46.2 Is not an air pollution abatement operation; and

3.46.3 Is any operation, article, machine, equipment or other contrivance.

3.47 Standard Conditions: a gas temperature of 60 degrees Fahrenheit and a gas 

pressure of 14.7 pounds per square inch absolute. Results of all analyses and tests 

shall be calculated or reported at this gas temperature and pressure.

3.48 Standard Cubic Foot of Gas: the amount of gas that would occupy a column of 

one (1) cubic foot, if free of water vapor at standard conditions.

3.49 Steam Drive Well: any crude oil production well which produces from the same 

production zone in which a steam injection well is completed, and is within:

3.49.1 250 feet of a steam injection well, if the injection well is within a 

production well pattern of two and one-half (2-1/2) acres or smaller;

3.49.2 350 feet of a steam injection well, if the injection well is within a 

production well pattern of greater than two and one-half (2-1/2) acres but 

five (5) acres or smaller;

3.49.3 500 feet of a steam injection well, if the injection well is within a 

production well pattern larger than five (5) acres; or

3.49.4 1000 feet of a steam injection well, and responds to steam injected in an 

irregular pattern, and exhibits any visible emissions.

3.50 Steam-enhanced Crude Oil Production Well: any steam drive well, cyclic well or 

any other well in a production zone that has had the temperature raised by the 

injection of steam.

3.51 TRS: the total reduced sulfur contained in hydrogen sulfide, mercaptans, dimethyl 

sulfide, dimethyl disulfide or other organic sulfide compounds, all expressed as 
SJVUAPCD 1020 - 8 2/21/13

hydrogen sulfide. Sulfur dioxide, sulfur trioxide, or sulfuric acid are not to be 

included in the determination of TRS.

3.52 TVP: true vapor pressure.

3.53 Volatile Organic Compound (VOC): any compound containing at least one (1) 

atom of carbon, except for the following exempt compounds:

• methane,

• ethane,

• carbon monoxide,

• carbon dioxide,

• carbonic acid,

• metallic carbides or carbonates,

• ammonium carbonate,

• acetone,

• methyl acetate,

• methylene chloride,

• methyl chloroform (1,1,1-

trichloroethane),

• perchloroethylene (tetrachloroethylene),

• CFC-113 (1,1,2-trichloro-1,2,2-

trifluoroethane),

• CFC-11 (trichlorofluoromethane),

• CFC-12 (dichlorodifluoromethane),

• HCFC-22 (chlorodifluoromethane),

• HFC-23 (trifluoromethane),

• CFC-114 (1,2-dichloro 1,1,2,2-

tetrafluoroethane),

• CFC-115 (chloropentafluoroethane),

• HCFC-123 ( 1,1,1-trifluoro 2,2-

dichloroethane),

• HCFC-124 (2-chloro-1,1,1,2-

tetrafluoroethane),

• HFC-125 (pentafluoroethane),

• HFC-134 (1,1,2,2-tetrafluoroethane),

• HFC-134a (1,1,1,2-tetrafluoroethane),

• HCFC-141b (1,1-dichloro 1-

fluoroethane), 

• HCFC-142b (1-chloro-1,1 

difluoroethane),

• HFC-143a (1,1,1-trifluoroethane),

• HFC-152a (1,1-difluoroethane),

• HCFC-225ca (3,3-dichloro-1,1,1,2,2-

pentafluoropropane),

• HCFC-225cb (1,3-dichloro-1,1,2,2,3-

pentafluoropropane),

• HFC-43-10mee (1,1,1,2,3,4,4,5,5,5-

decafluoropentane),

• HFC-32 (difluoromethane),

• HFC-161 (ethylfluoride),

• HFC-236fa (1,1,1,3,3,3-

hexafluoropropane),

• HFC-245ca (1,1,2,2,3-

pentafluoropropane),

• HFC-245ea (1,1,2,3,3-

pentafluoropropane),

• HFC-245eb (1,1,1,2,3-

pentafluoropropane),

• HFC-245fa (1,1,1,3,3-

pentafluoropropane),

• HFC-236ea (1,1,1,2,3,3-

hexafluoropropane),

• HFC-365mfc (1,1,1,3,3-

pentafluorobutane),

• HCFC-31 (chlorofluoromethane),

• HCFC-151a (1-chloro-1-fluoroethane),

• HCFC-123a (1,2-dichloro-1,1,2-

trifluoroethane),

• C4F9OCH3 (1,1,1,2,2,3,3,4,4-

nonafluoro-4-methoxy-butane),

• (CF3)2CFCF2OCH3 (2-

(difluoromethoxymethyl)-1,1,1,2,3,3,3-

heptafluoropropane),

• C4F9OC2H5 (1-ethoxy-1,1,2,2,3,3,4,4,4-

nonafluorobutane),

• (CF3)2CFCF2OC2H5 (2-

(ethoxydifluoromethyl)-1,1,1,2,3,3,3-

heptafluoropropane),
SJVUAPCD 1020 - 9 2/21/13

• cyclic, branched, or linear completely 

methylated siloxane compounds, (see 

Section 3.53.1)

• parachlorobenzotrifluoride, and

• The following four classes of 

perfluorocarbon (PFC) compounds (see 

Section 3.53.1):

1) cyclic, branched, or linear, completely 

fluorinated alkanes,

2) cyclic, branched, or linear, completely 

fluorinated ethers with no 

unsaturations,

3) cyclic, branched, or linear, completely 

fluorinated tertiary amines with no 

unsaturations, and

4) sulfur containing perfluorocarbons 

with no unsaturations and with sulfur 

bonds only to carbon and fluorine.

• Tertiary-butyl acetate (1,1-dimethylethyl 

ester), (see Section 3.53.2)

• Methyl formate (MF),

• dimethyl carbonate (DMC),

• propylene carbonate (PC)

3.53.1 Perfluorocarbon and methylated siloxane compounds shall be assumed to 

be absent from a product or process unless a manufacturer or facility 

operator identifies the specific individual compounds (from broad classes of 

these compounds) and the amounts present in the product or process, and 

identifies a validated test method which can be used to quantify the specific 

compounds.

3.53.2 Tertiary-butyl acetate (also known as t-butyl acetate, TBAC or TBAc) shall 

be considered exempt as a volatile organic compound (VOC) only for 

purposes of VOC emissions limitations or VOC content requirements, but 

will continue to be a VOC for purposes of all recordkeeping, emissions 

reporting, photochemical dispersion modeling, and inventory requirements 

which apply to VOCs.

3.54 Western Kern County Fields: that portion of Kern County within boundaries 

described as: 

• Beginning at a point common to the northerly boundary line of Kern County 

and the center line of Interstate Hwy. 5 and following the Kern County 

boundary in a westerly direction, to its intersection with the eastern boundary 

of San Luis Obispo County; 

• thence south and east along the San Luis Obispo and Kern County boundary to 

a point on the line between Township 10N and Township 11N, San Bernardino 

Base & Meridian;

• thence easterly along said line between Township 10N and Township 11N to a 

point on the line common to Interstate Hwy. 5; thence northwesterly along 

Interstate Hwy. 5 to the point of beginning (See Figure 3).
SJVUAPCD 1020 - 10 2/21/13

Figure 1 Central Kern County Fields

San Joaquin

Valley Air Basin

Central Kern County Fields

Bakersfield

Delano

Taft

Edison

McKittrick

Tehachapi

Mojave

Boron

Ridgecrest

Kernville

Lake Isabella Lost Hills Wasco

Shafter

Lebec

Mojave Desert

Air Basin

33

166

99

178

58

395

58

58

14

65

46

5

99

5

14

223 Arvin
SJVUAPCD 1020 - 11 2/21/13

Figure 2 Fresno County Oil Fields

Fowler

Selma

Kingsburg

Fresno

Clovis

Sanger

Huron

Coalinga

Helm

San Joaquin

Tranquility Kerman

Mendota

Firebaugh

San Joaquin River

Millerton

5 Lake

33

33

198 5

33

198

99

41

43

99

41

168

145

180

N

Fresno County

Oil Fields

(shaded area)

145

Five

Points

269
SJVUAPCD 1020 

- 12 2/21/13

Figure 3 Western Kern County Fields

San Joaquin

Valley Air Basin

Western Kern County Fields

Bakersfield

Delano

Taft

Edison

McKittrick

Tehachapi

Mojave

Boron

Ridgecrest

Kernville

Lake Isabella Lost Hills Wasco

Shafter

Lebec

Mojave Desert

Air Basin

33

166

99

178

58

395

58

58

14

65

46

5

99

5

14

223 Arvin