February 109, 20121

Placer County APCD 102 - 1 Rules and Regulations

RULE 102 DEFINITIONS

Adopted 11-12-74

(Amended 5-24-77, 12-19-78, 6-19-79, 5-20-85, 2-04-92, 10-19-93, 8-08-96, 6-19-97, 10-12-00, 8-12-10, 

02-10-11, 02-09-12)

CONTENTS

100 GENERAL

101 PURPOSE

200 DEFINITIONS

201 AGRICULTURAL BURNING

202 AGRICULTURAL OPERATION

203 AGRICULTURAL WASTES

204 AIR CONTAMINANT

205 AIR POLLUTION CONTROL OFFICER (APCO)

206 AIR QUALITY

207 ALLOWABLE COMBUSTIBLES

208 ALTERATION

209 APPROVED IGNITION DEVICES

210 ARB

211 BOARD

212 BRUSH TREATMENT

213 BULK PLANT

214 BURN BARREL

215 CITRUS HEATER

216 COMBUSTIBLE

217 COMBUSTIBLE WASTE OR SUBSTANCES

218 COMBUSTION CONTAMINANT

219 CONDENSED FUMES

220 CONSTRUCTION-DEMOLITION DEBRIS

221 DAILY

222 DESIGNATED AGENCY

223 DISALLOWED COMBUSTIBLES

224 DISTRICT

225 DUST

226 EMISSION

227 EMISSION POINT

228 EXEMPT COMPOUNDS

229 FIRE PROTECTION AGENCY

230 FLAMMABLE WASTE

231 FLUE

232 FOREST MANAGEMENT BURNING

233 FOSSIL FUEL

234 FOSSIL FUEL-FIRED STEAM GENERATOR

235 HEARING BOARD

236 HYDROCARBON

237 IMMINENT AND SUBSTANTIAL ECONOMIC LOSS

238 INCINERATION

239 INCINERATOR

240 INSTALLATION

241 LAKE TAHOE AIR BASIN

242 MOUNTAIN COUNTIES AIR BASIN

2423 NO-BURN DAY
February 109, 20121

Placer County APCD 102 - 2 Rules and Regulations

2434 OPEN BURNING OR OPEN OUTDOOR FIRE

2445 OPERATOR

2456 ORCHARD HEATER

2467 OWNER

2478 PARTICULATE MATTER

2489 PERMISSIVE BURN DAYOR BURN DAY

24950 PERSON

2501 POLLUTANT

2512 PROCESS WEIGHT PER HOUR

2523 PUBLIC RECORD

2534 QUARTERLY

2545 RANGE IMPROVEMENT BURNING

2556 RECORD

2567 RESIDENCE

2578 RESIDENTIAL ALLOWABLE BURN MATERIALS

259 SACRAMENTO VALLEY AIR BASIN

26058 SECTION

25961 SILVICULTURAL PRACTICES

2620 SOLID PARTICULATE MATTER

2631 STANDARD CONDITIONS

2624 STANDARD CUBIC FOOT OF GAS

2653 TIMBER OPERATIONS

2664 VOLATILE ORGANIC COMPOUND (VOC)

2675 WOOD-FIRED BOILER

2686 YEARLY

300 STANDARDS

(NOT INCLUDED)

400 ADMINISTRATIVE REQUIREMENTS

(NOT INCLUDED)

500 MONITORING AND RECORDS

(NOT INCLUDED)
February 109, 20121

Placer County APCD 102 - 3 Rules and Regulations

100 GENERAL

101 PURPOSE: To provide definitions of specific terms used in the Placer County Air 

Pollution Control District Rules and Regulations.

200 DEFINITIONS

PROVISO: 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 the Health and Safety Code of the State of California.

201 AGRICULTURAL BURNING: Open outdoor fires used in agricultural operations in the 

growing of crops or raising of fowl or animals or open outdoor fires used in forest 

management, range improvement, or the improvement of land for wildlife and game 

habitat or disease or pest prevention or the use of open outdoor fires used in the 

operation or the maintenance of a system for the delivery of water and wildland 

vegetation management burning.

202 AGRICULTURAL OPERATION: The growing and harvesting of crops, or raising of fowl 

or animals for the primary purpose of making a profit or providing a livelihood, or the 

conducting of agricultural research or instruction by an educational institution. Agricultural 

operations do not include activities involving the processing or distribution of crops or 

fowl.

203 AGRICULTURAL WASTES: The following materials:

203.1 The unwanted or unsalable materials produced wholly from agricultural 

operations and materials not produced from agricultural operations, but which are 

intimately related to the growing or harvesting of crops.

203.2 Materials not produced wholly from agricultural operations, but which are 

intimately related to the growing or harvesting of crops and which are used in the 

fields. This includes materials such as fertilizer and pesticide paper sacks or 

paper containers, where the sacks or containers are emptied in the fields. This 

does not include, however, such items as shop wastes, demolition materials, 

garbage, oil filters, tires, plastic pesticide plastic containers (except for paper 

pesticide containers), broken boxes, pallets, or other similar material, or orchard 

or vineyard wastes removed for land use conversion to non-agricultural 

purposes.

204 AIR CONTAMINANT: Any discharge, release or other propagation directly into the 

atmosphere. It includes, but is not limited to, smoke, dust, charred paper, soot, grime, 

carbon, noxious acids, fumes, gases, odors, particulate matter, or any combination 

thereof.

205 AIR POLLUTION CONTROL OFFICER (APCO): The Air Pollution Control Officer of the 

Placer County Air Pollution Control District, or designee.

206 AIR QUALITY: The characteristics of the ambient air as indicated by state ambient air 

quality standards which have been adopted by the ARB pursuant to Section 39606 of the 

Health and Safety Code and by National Ambient Air Quality Standards which have been 

established pursuant to Sections 108 and 109 of the federal Clean Air Act pertaining to 

criteria pollutants and Section 169A of the federal Clean Air Act pertaining to visibility.
February 109, 20121

Placer County APCD 102 - 4 Rules and Regulations

207 ALLOWABLE COMBUSTIBLES: Vegetation waste originating on the premises and 

reasonably free of dirt, soil, and visible surface moisture.

208 ALTERATION: Any addition to, enlargement of, replacement of, or any major 

modification or change of the design, capacity, process, or arrangement, or any increase 

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

the kind and/or amount of air contaminants emitted.

209 APPROVED IGNITION DEVICES: Those instruments or materials that will ignite open 

outdoor fires without the production of black smoke by the ignition device. This would 

include such items as liquid petroleum gas, butane, propane, or diesel oil burners, flares, 

or other similar material as approved by the Air Pollution Control Officer. This does not 

include tires, tar, tar paper, oil and other similar materials.

210 ARB: The California State Air Resources Board or any person authorized to act on its 

behalf.

211 BOARD: The Board of Directors of the Placer County Air Pollution Control District.

212 BRUSH TREATMENT: VegetationMaterial which has been felled crushed or up-rooted 

with mechanical equipment or which has been desiccated with herbicides.

213 BULK PLANT: A distribution plant which receives organic liquids; stores them in 

stationary tanks; and loads them into tank trucks for delivery to other bulk plants, service 

stations or storage tanks.

214 BURN BARREL: A metal container used to hold combustible or flammable waste 

materials, so that they can be ignited outdoors for the purpose of disposal.

215 CITRUS HEATER: Any article, machine, equipment, or other contrivance, burning any 

type of fuel or material capable of emitting air contaminants, used or capable of being 

used for the purpose of giving protection from frost damage.

216 COMBUSTIBLE: Any substance capable of burning or any substance that will readily 

burn.

217 COMBUSTIBLE WASTE OR SUBSTANCES: Any garbage, rubbish, trash, rags, paper, 

boxes, crates, excelsior, ashes, offal, carcass of a dead animal, petroleum product waste 

or any other combustible or flammable refuse material.

218 COMBUSTION CONTAMINANT: Any particulate matter discharged into the atmosphere 

from the burning of any material which contains carbon in either the free or the combined 

state.

219 CONDENSED FUMES: Minute solid particles generated by the condensation of vapors 

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

sublimation, distillation, calcination, or chemical reaction, when these processes create 

airborne particles.

220 CONSTRUCTION-DEMOLITION DEBRIS: Any material associated with the construction 

or demolition of any building, dwelling, or other man-made structures, including but not 

limited to lumber, tar paper, roofing material, wiring, flooring material, insulation, and 

plywood.

221 DAILY: A 24-hour period beginning at 12:00 AM local time.
February 109, 20121

Placer County APCD 102 - 5 Rules and Regulations

222 DESIGNATED AGENCY: Any agency designated by the ARB and Placer County Air 

Pollution Control District as having authority to issue Agricultural Burn Permits.

223 DISALLOWED COMBUSTIBLES: Any waste or manufactured material, including but 

not limited to petroleum products and petroleum wastes; construction and demolition 

debris; coated wire; putrescible (rotten wastes) and non-putrescible solid, semisolid and 

liquid materials or, wastes; tires; tar; tarpaper; non-natural wood waste; processed or 

treated wood and wood products; metals; motor vehicle bodies and parts; rubber; 

synthetics; plastics, including plastic film, twine and pipe; fiberglass; styrofoam; garbage; 

trash; refuse; rubbish; disposable diapers; ashes; glass; industrial wastes; manufactured 

products; equipment; instruments; utensils; appliances; furniture; cloth; rags; paper or 

paper products; cardboard; boxes; crates; excelsior; offal; swill; carcass of a dead animal; 

manure; human or animal parts or wastes, including blood; and fecal- and foodcontaminated material.

224 DISTRICT: The Placer County Air Pollution Control District.

225 DUST: The 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 process.

226 EMISSION: The act of releasing or discharging air contaminants into the atmosphere 

from any source.

227 EMISSION POINT: The place, located in a horizontal plane and vertical elevation, at 

which an emission enters the atmosphere.

228 EXEMPT COMPOUNDS: Organic compounds which are exempt from the definition of 

Volatile Organic Compounds (VOC). Notwithstanding definitions of Exempt Compounds 

that may be included in specific rules in Regulation II, the following compounds are 

exempt:

228.1 carbon monoxide

228.2 carbon dioxide

228.3 carbonic acid

228.4 metallic carbides or carbonates

228.5 ammonium carbonate

228.6 methane

228.7 methylene chloride (dichloromethane)

228.8 perchloroethylene (tetrachloroethylene)

228.9 1,1,1-trichloroethane (methyl chloroform)

228.10 trichlorofluoromethane (CFC-11)

228.11 dichlorodifluoromethane (CFC-12)

228.12 1,1,2-trichloro-1,2,2-trifluoroethane (CFC-113)

228.13 1,2-dichloro-1,1,2,2-tetrafluoroethane (CFC-114)

228.14 chloropentafluoroethane (CFC-115)

228.15 chlorodifluoromethane (HCFC-22)

228.16 1,1,1-trifluloro-2,2-dichloroethane (HCFC-123)

228.17 1,1-dichloro-1-fluoroethane (HCFC-141b)

228.18 1-chloro-1,1-difluoroethane (HCFC-142b)

228.19 2-chloro-1,1,1,2-tetrafluoroethane (HCFC-124)

228.20 trifluoromethane (HFC-23)

228.21 1,1,2,2-tetrafluoroethane (HFC-134)

228.22 1,1,1,2-tetrafluoroethane (HFC-134a)

228.23 pentafluoroethane (HFC-125)

228.24 1,1,1-trifluoroethane (HFC-143a)

228.25 1,1-difluoroethane (HFC-152a)

228.26 ethoxy-nonafluorobutane (HFE-7200), which consists of 2 compounds:
February 109, 20121

Placer County APCD 102 - 6 Rules and Regulations

a. ethoxy-1,1,2,2,3,3,4,4,4-nonafluorobutane; and

b. (ethoxydifluoromethyl)-1,1,1,2,3,3,3-heptafluoropropane

228.27 cyclic, branched, or linear, completely methylated siloxanes

228.28 The following classes of perfluorocarbons:

a. cyclic, branched, or linear, completely fluorinated alkanes.

b. cyclic, branched or linear, completely fluorinated ethers with no 

unsaturations.

c. cyclic, branched, or linear, completely fluorinated tertiary amines with no 

unsaturations.

d. sulfur-containing perfluorocarbons with no unsaturations and with the 

sulfur bonds to carbon and fluorine.

228.29 The following low-reactive organic compounds which have been exempted by the 

U. S. EPA:

a. acetone

b. ethane

c. parachlorobenzotrifluoride 

d. methyl acetate

e. propylene carbonate

f. dimethyl carbonate

228.30 The following compound(s) 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 are not 

VOC for purposes of VOC emissions limitations or VOC content requirements:

a. tertiary butyl acetate

229 FIRE PROTECTION AGENCY: Any agency with the responsibility and authority to 

protect people, property, and the environment from fire, and having jurisdiction within the 

District.

230 FLAMMABLE WASTE: Any garbage, rubbish, trash, rags, paper, boxes, crates, 

excelsior, ashes, offal, carcass of a dead animal, petroleum product waste or any other 

combustible or flammable refuse material.

231 FLUE: Any duct or passage for air or other gases, including but not limited to a stack or a 

chimney.

232 FOREST MANAGEMENT BURNING: The use of open outdoor fires, as part of a forest 

management practice, to remove forest debris. Forest management practices include 

timber operations, silvicultural practices and forest production practices.

233 FOSSIL FUEL: Natural gas, petroleum, coal and any form of solid, liquid, or gaseous fuel 

derived from such materials.

234 FOSSIL FUEL-FIRED STEAM GENERATOR: A furnace or boiler used in the process of 

burning fossil fuel for the primary purpose of producing steam by heat transfer. 

235 HEARING BOARD: The Hearing Board of the Air Pollution Control District of Placer 

County.

236 HYDROCARBON: Any compound of carbon containing hydrogen.

237 IMMINENT AND SUBSTANTIAL ECONOMIC LOSS: The loss of a planting season or 

irreparable harm to a crop.
February 109, 20121

Placer County APCD 102 - 7 Rules and Regulations

238 INCINERATION: An operation in which combustion is carried on for the principal 

purpose, or with the principal result of oxidizing a waste material to reduce its bulk or 

facilitate its disposal.

239 INCINERATOR: Any furnace or other closed fire chamber used to dispose of 

combustible waste by burning, and from which the products of combustion are directed 

through a flue or chimney.

240 INSTALLATION: The 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.

241 LAKE TAHOE AIR BASIN: That area as defined by Section 60113, Title 17, California 

Administrative Code.

242 MOUNTAIN COUNTIES AIR BASIN: Established pursuant to Section 39606 of the 

Health & Safety Code of the State of California and as described in Title 17, California 

Code of Regulations, Section 60111 (I), the Mountain Counties Air Basin includes all of 

Placer County except that portion included in the Lake Tahoe Air Basin, defined by 17 

CCR 60113(b), and that portion included in the Sacramento Valley Air Basin, defined by 

17 CCR 60106(k).

2423 NO BURN DAY: Any day on which agricultural burning including prescribed burning, is 

prohibited by the ARB or the APCO.

2443 OPEN BURNING OR OPEN OUTDOOR FIRE: CombustionBurning of any combustibles

material of any type, outdoors in the open air, where the products of combustion are not 

directed through a flue.

2454 OPERATOR: Person, who owns, operates, controls or supervises an affected facility, or 

a stationary source of which an affected facility is a part.

2465 ORCHARD HEATER: Any article, machine, equipment, or other contrivance, burning any 

type of fuel or material capable of emitting air contaminants, used or capable of being 

used for the purpose of giving protection from frost damage.

2476 OWNER: Person who owns, operates, controls or supervises an affected facility, or a 

stationary source of which an affected facility is a part.

2487 PARTICULATE MATTER (PM): Any material except uncombined water, which can exist 

in a finely divided form as a liquid or solid at standard conditions.

2498 PERMISSIVE BURN DAY OR BURN DAY: Any day inon which agricultural burning 

including prescribed burning, is not prohibited by the ARB and/or the APCO.

25049 PERSON: Any person, firm, association, organization, partnership, business trust, 

corporation, company, contractor, supplier, installer, operator, user, owner, any 

government agency, public district or any officer or employee thereof.

2510 POLLUTANT: Any discharge, release or other propagation directly into the atmosphere. 

It includes, but is not limited to, smoke, dust, charred paper, soot, grime, carbon, noxious 

acids, fumes, gases, odors, particulate matter, or any combination thereof.

2521 PROCESS WEIGHT PER HOUR: The total weight, including contained moisture, of all 

materials introduced into any specific process, which process may cause any discharge 

into the atmosphere. Solid fuels charged will be considered as part of the process weight, 

but liquid and gaseous fuels and combustion air will not. (The process weight per hour 
February 109, 20121

Placer County APCD 102 - 8 Rules and Regulations

will be derived by dividing the total process weight introduced, by the number of hours in 

one complete operation, from the beginning of any given process to the completion 

thereof, excluding any time during which the equipment is idle.)

2532 PUBLIC RECORD: Any record made available to the public by law, containing 

information relating to the conduct of the public's business that is prepared, owned, used 

or retained by the District, except trade secrets as provided for in Section 6254.7 of the 

California Government Code and relevant sections of the California Administrative Code.

2543 QUARTERLY: Calendar quarter beginning January 1, April 1, July 1, and October 1.

2554 RANGE IMPROVEMENT BURNING: The use of open outdoor fires to remove vegetation 

for a wildlife, game or livestock habitat, or for the initial establishment of an agricultural 

practice on previously uncultivated land.

2565 RECORD: Handwriting, typewriting, printing, photocopying, photographing, and every 

other means of recording upon any form of communication or representation, including 

letters, words, pictures, sounds, or symbols, or any combination thereof, and all papers, 

maps, magnetic or paper tapes, photographed films and prints, magnetic or punched 

cards, magnetic disks, drums, and other documents.

2576 RESIDENCE: A single or two-family dwelling unit and the land and ancillary (nonresidential) structures.

257 RESIDENTIAL ALLOWABLE BURN MATERIALS: Materials originating from a 

residence, limited to the following items: dry trees and trimmings, dry brush/shrubs, dry 

leaves, pine needles, grasses and forbs, dry plants and flowers, dry weeds and dry vines.

The burning of lawn clippings is prohibited.

258 SACRAMENTO VALLEY AIR BASIN: Established pursuant to Section 39606 of the 

Health & Safety Code of the State of California and as described in Title 17, California 

Code of Regulations, Section 60106(k), the basin includes that portion of Placer County 

which lies west of Range 9 east, Mount Diablo Base and Meridian (M.D.B. & M.).

2598 SECTION: A Section of the Health and Safety Code of the State of California, unless 

some other statute is specifically mentioned.

26059 SILVICULTURAL PRACTICES: The establishment, development, care and reproduction 

of stands of timber.

2610 SOLID PARTICULATE MATTER: Any material except uncombined water, which can 

exist in a finely divided form as a solid at standard conditions.

2612 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 and reported at this gas temperature and pressure.

2632 STANDARD CUBIC FOOT OF GAS: The amount of gas that would occupy a volume of 

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

2643 TIMBER OPERATIONS: Cutting or removal of timber or other forest vegetation.

2654 VOLATILE ORGANIC COMPOUND (VOC): Any chemical compound containing at least 

one atom of carbon except for those listed as "Exempt Compounds"
February 109, 20121

Placer County APCD 102 - 9 Rules and Regulations

2665 WOOD-FIRED BOILER: Any boiler used for steam generation, from which the products 

of combustion are directed through a flue or chimney and which derives at least 80 

percent of its fuel input heat content from wood, or APCO approved wood-associated 

waste.

2676 YEARLY: A calendar year beginning on January 1 at 12:00 AM.