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RULE 102 Definitions - Adopted 4/18/72, Amended 1972-75, 8/31/76, 3/7/96, 7/1/99, 

3/11/2010 

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, of the California Health and Safety Code. 

A. Affected Pollutants: Any air contaminant and precursor to such contaminant regulated 

under the Clean Air Act which include: volatile organic compounds, nitrogen oxides, sulfur 

oxides, Particles with aerodynamic diameter of 10 micrometers or less (PM10), 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 U.S. Environmental Protection Agency (EPA), California Air 

Resources Board (ARB), or District, after due process, has determined to have a significant 

adverse effect on the environment, public health, or public welfare. 

B. Air Contaminants: Any discharge, release or other propagation into the atmosphere 

directly or indirectly, caused by man and including, but not limited to, smoke, charred 

paper, dust, soot, grime, carbon, noxious acids, fumes, gases, odors, or particulate matter, 

or any combination thereof. 

C. Alteration: Any addition to, enlargement of, replacement of, or any modification or change 

of the design, capacity, process, or arrangement, or any increase in the connected loading 

of, equipment or control apparatus, which may affect the type or amount of air 

contaminants emitted. 

D. Ambient Air Quality Standards: State and National Ambient Air Quality Standards. (For 

inclusion of this Rule in the State Implementation Plan, all references to ambient air quality 

standards shall be implemented as National Ambient Air Quality Standards.) 

E. Atmosphere: The air that envelops or surrounds the earth. Air pollutants emitted into a 

building, not designed specifically as a piece of air pollution control equipment, shall be 

considered an emission into the atmosphere. 

F. Board: The Air Pollution Control Board of the Kern County Air Pollution Control District. 

G. Combustible Refuse: Any solid or liquid combustible waste material containing carbon in 

a free or combined state. 

H. Combustion Contaminants: Particulate matter discharged into the atmosphere from the 

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

I. Control Officer: The Air Pollution Control Officer of the Kern County Air Pollution 

Control District. 

J. District: The Kern County Air Pollution Control District. 

K. Dusts: 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. 
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L. Emission: The act of passing into the atmosphere an air contaminant or gas stream which 

contains an air contaminant, or the air contaminant so passed into the atmosphere. 

M. Emission Point: The place at which an emission enters the atmosphere. 

N. Exempt Compounds: 

1. The following compounds are excluded from the definition of Volatile Organic 

Compounds (VOC) because they have been determined to have negligible 

photochemical reactivity: 

Acetone, 

Methane, 

Carbon monoxide, 

Carbon dioxide, 

Carbonic acid, 

Ethane, 

Metallic carbides or carbonates, 

Ammonium carbonates, 

Methylene chloride (dichloromethane), 

Methyl chloroform (1,1,1-trichloroethane), 

CFC-113 (1,1,2-trichloro-1,2,2-trifluoroethane), 

CFC-11 (trichlorofluoromethane), 

CFC-114 (1,2-dichloro 1,1.2,2-tetrafluoroethane), 

CFC-115 (chloropentafluoroethane), 

HCFC-12 (dichlorodifluoromethane), 

HCFC-123(1,1,1-trifluoro 2,2-dichloroethane), 

HCFC-124 (2-chloro 1,1,1,2-tetrafluoroethane), 

HCFC-141b (1,1-dichloro 1-fluoroethane), 

HCFC-142b (1-chloro 1,1-difluoroethane), 

HCFC-22 (chlorodifluoromethane), 

HFC-23 (trifluoromethane), 

HFC-125 (pentafluoroethane), 

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

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

HFC-143a (1,1,1-trifluoroethane), 

HFC-152a (1,1-difluoroethane), 

PCBTF (parachlorobenzotrifluoride) 

Cyclic, branched, or linear completely methylated siloxanes (VMS) 

3,3-dichloro-1,1,1,2,2-pentafluoropropane (HCFC-225ca) 

1,3-dichloro-1,1,2,2,3-pentafluoropropane (HCFC-225cb) 

1,1,1,2,3,4,4,5,5,5-decafluoropentane (HFC 43-10mee) 

Difluoromethane (HFC-32) 

Ethylfluoride (HFC-161) 

1,1,1,3,3,3-hexafluoropropane (HFC-236fa) 

1,1,2,2,3-pentafluoropropane (HFC-245ca) 

1,1,2,3,3-pentafluoropropane (HFC-245ea) 

1,1,1,2,3-pentafluoropropane (HFC-245eb) 

1,1,1,3,3-pentafluoropropane (HFC-245fa) 

1,1,1,2,3,3-hexafluoropropane (HFC-236ea) 

1,1,1,3,3-pentafluorobutane (HFC-365mfc) 
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Chlorofluoromethane (HCFC-31) 

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

1,2-dichloro-1,1,2-trifluoroethane (HCFC-123a) 

1,1,1,2,2,3,3,4,4-nonafluoro-4-methoxy-butane (C4F9OCH3 or HFE-7100) 

2-(difluoromethoxymethyl)-1,1,1,2,3,3,3-heptafluoropropane ((CF3)2CFCF2OCH3) 

1-ethoxy-1,1,2,2,3,3,4,4,4-nonafluorobutane (C4F9OC2H5 or HFE-7200) 

2-(ethoxydifluoromethyl)-1,1,1,2,3,3,3-heptafluoropropane ((CF3)2CFCF2OC2H5) 

Methyl Acetate 

1,1,1,2,2,3,3-heptafluoro-3-methoxy-propane (n-C3F7OCH3 or HFE-7000) 

3-ethoxy-1,1,1,2,3,4,4,5,5,6,6,6-dodecafluoro-2-(trifluoromethyl) hexane (HFE-7500) 

1,1,1,2,3,3,3-heptafluoropropane (HFC 227ea) 

Methyl Formate (HCOOCH3) 

1,1,1,2,2,3,4,5,5,5-decafluoro-3-methoxy-4-trifluoromethyl-pentane (HFE-7300) 

Dimethyl Carbonate 

Propylene Carbonate 

Perfluorocarbon compounds which fall into these classes: 

Cyclic, branched, or linear, completely fluorinated alkanes, 

Cyclic, branched, or linear, completely fluorinated ethers with no unsaturations, 

Cyclic, branched, or linear, completely fluorinated tertiary amines with no 

unsaturations, and 

Sulfur containing perfluorocarbons with no unsaturations and with sulfur bonds only 

to carbon and fluorine 

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 the broad classes of perfluorocarbon and 

methylated siloxane 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. 

2. For purposes of determining compliance with emissions limits, VOC will be measured 

by the test methods in the approved State implementation plan (SIP) or 40 CFR Part 60, 

Appendix A, as applicable. Where such a method also measures compounds with 

negligible photochemical reactivity, these negligibly-reactive compounds may be 

excluded as VOC if the amount of such compounds is accurately quantified, and such 

exclusion is approved by the enforcement authority. 

3. The following compound is a VOC for purposes of all recordkeeping, emissions 

reporting, photochemical dispersion modeling and inventory requirements which apply 

to VOC and shall be uniquely identified in emission reports, but is not a VOC for 

purposes of VOC emissions limitations or VOC content requirements: Tertiary Butyl 

Acetate (t-butyl acetate) informally known as TBAC or TBAc. 

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

P. Fumes: Minute, solid particles generated by condensation of vapors from solid matter after 

volatilization from a molten state, or generated by sublimation, distillation, calcination, or 

chemical reaction, when these processes create air-borne particles. 

Q. Hearing Board: The Hearing Board of the Kern County Air Pollution Control District. 
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R. Installation: Placement, assemblage or construction of equipment or control apparatus at 

the premises where the equipment or control apparatus will be used, including all 

preparatory work at such premises. 

S. Institutional Facility: Any hospital, boarding home, school, corporation yard, or like 

facility. 

T. Kern County Air Pollution Control District: That portion of Kern County which lies east of 

the 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 T.10.N, R.16.W and 

T.9.N, R.17.W, SBB&M; 

 then north along the range line common to R.16.W and R.17.W 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; 

 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. 

U. Loading Rack: Any aggregate or combination of organic liquid loading equipment from 

the connection at the inlet of the organic liquid pump to and including the hose and 

connector at the portable delivery tank. 

V. Multiple-Chamber Incinerator: Any article, machine, equipment, contrivance, structure or 

any part of a structure used to dispose of combustible refuse by burning, consisting of three 

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. Refractories 

shall have a Pyrometric Cone equivalent of at least 17, tested according to the American 

Society for Testing Materials, Method C-24. 
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W. Open Outdoor Fire: Combustion of any combustible refuse or other material of any type 

outdoors in the open air, and not in any enclosure where the products of combustion are not 

directed through a flue. 

X. 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. 

Y. Owner: Including but is not limited to, any person who leases, supervises or operates 

equipment, in addition to the normal meaning of ownership. 

Z. Particulate Matter: Any material, except uncombined water, which exists in a finelydivided form as a liquid or solid at standard conditions. 

AA. 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. 

BB. PPM: Parts per million by volume expressed on a gas basis. 

CC. Process Weight Per Hour: The total weight of all materials introduced into any specific 

source operation, which operation may cause any emission into the atmosphere. Solid fuels 

charged shall be considered as part of the process weight, but 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 cycle of operation from the beginning 

of any given process to the completion thereof, excluding any time during which the 

equipment is idle. 

DD. Regulation: One of the major subdivisions of the Rules of the Kern County Air Pollution 

Control District. 

EE. Residential Rubbish: Refuse originating from residential uses including wood, paper, 

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

FF. Rule: A rule of the Kern County Air Pollution Control District. 

GG. Section: A section of the California Health and Safety Code, unless some other statute is 

specifically mentioned. 

HH. Source Operation: The last operation preceding the emission of an air contaminant, which 

operation: a) 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 b) is not an air pollution abatement operation. 

II. Standard Conditions: A gas temperature of 68° Fahrenheit (20° Celsius) and an absolute 

pressure of 14.7 pounds per square inch (760-millimeters of mercury). Results of all 

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

JJ. Volatile Organic Compounds: Any compound containing at least one atom of carbon 

except for exempt compounds listed in section N of this rule.