### RULE 102 DEFINITIONS Except as otherwise specificallyprovided in these Rules, ;~-/ and exceptwhere thecontextotherwise indicates, words used

intheseRulesareused inexactlythesamesenseasthe samewordsareusedintheHealthandSafetyCodeofthe State of California. Agricultural Burning meansopen outdoor firesused in agricultural operations in themanagement, range improvement, or the improvementof landforwildlifeand gamehabitatordiseaseorpestpreventionortheuseof open outdoor fires used in theoperation orthe maintenance of a system for the deliveryofwater. Agricultural Operation means thegrowing andharvesting of crops, raising of fowl oranimals forthe primarypurposeof making a profit, or providing a livelihood, or the conduction of agricultural research or instruction byan educational institution. Agricultural Wastesmeanstheunwantedorunsellable materials produced whollyfrom agricultural operationsand materials not produced from agricultural operations, but which are intimately related to thegrowing or harvesting of crops. AirContaminant or Pollutant means anydischarge, release, or other propagation into the atmospheredirectly, and includes, but is not limited to, smoke, dust, charred paper, soot, grime, carbon, noxious acids, fumes, gases, odors, or particulate matter, oranycombination thereof. Air PollutionControl Officer means theAir Pollution Control Officer of the Air PollutionControl District of ButteCounty. Alteration means anyaddition to, enlargementor replacement of, or anymajor modification orchange of the design, capacity, process, or arrangement, or any increase in the connected loading of equipmentor control apparatus, which will significantly increase or effectthe kind or amount of air contaminant emitted.

1—1BUTTE COUNTY APCD

- RULES AND REGULATIONS

Approved Ignition Devices means those instruments or materials that will ignite open fires without the production of black smoke by the ignition device. This would include such items as liquid petroleum gas, butane, or diesel oil burners, flares, or other similar materials as approved by the Air Pollution Control Officer. This does not include tires, tar, tar paper, oil and other similar materials. ARB means the California State Air Resources Board, or any person authorized to act on its behalf. Atmosphere means the air that envelopes or surrounds the earth. Where air pollutants are emitted into a building not designed specifically as a piece of air pollution control equipment, such emission into the building shall be considered an emission into the atmosphere.
Board means the Air Pollution Control Board of the Air Pollution Control District of Butte County.
Brush Treated means the material has been felled, crushed or up-rooted with mechanical equipment, or has been desiccated with herbicides. Change of Location means any transfer of an existing permitted source from one location to another not on the same property or facility. Combustible or Flammable means anygarbage, rubbish, trash, rags, paper, boxes, crates, excelsior, ashes, offal, carcass of a dead animal, petroleum productwaste or anyother combustible or flammable refuse material. Combustion Contaminant meansany particulate matter discharged into the atmosphere from the burning of any material which contains carbon in either the free or the combined state. Condensed Fumes means minute solid particles generated by the condensation of vapors from solid matter after volatilization from the molten state, or maybegenerated by sublimation, distillation, calcination, or chemical reaction, when these processes create airborne particles.
Construction—Demolition Debris means 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. Controlled Pollutant means any air contaminant for which an ambient and/or emission standard exists at the county, state or federal level.

1—2BUTTE COUNTY APCD RULES AND REGULATIONS



### Designated Agencymeans anyagencydesignated bytheARB and 

# ( Butte County Air Pollution Control District as having

authority to issue Agricultural Burn Permits. District means the Air Pollution Control District of Butte County.

- Dust means 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. Emission means the act of releasing or discharging air contaminants into the atmosphere from any source. Emission Point means the place, located in a horizont4l plane and vertical elevation, at which an emission enters the atmosphere. Floating Roof consists of a pontoon—type or double—deck type roof, resting on the surface of the liquid contents and equipped with a closure seal, or seals, to close the space between the roof edge and tank wall. The control equipment provided for in this section shall not be used if the gasoline or petroleum distillate has a vapor pressure of 11.0 pounds per square inch absolute or greater under actual 

### storage conditions. All tank gauging and sampling devices 

### shall be gas—tight except when gauging 

### orsampling istaking place. Flue u~eans anyduct or passage for air, gases or the like, such as a stack or chimney. Forest Management Burningmeans the useofopenfires, as part ofa forest managementpractice, to remove forest debris. Forest managementpractices include timber operations, silviculturepractices or forest production practices. Fossil Fuel—Fired.Steam Generator means a furnace or boiler used in theprocessofburning fossil fuel fortheprimary purpose of producing steam by heat transfer. “Fossil fuel” means natural gas, petroleum, coal and any form of solid, liquid, or gaseous fuel derived from such materials. Garbage means every accumulation of.animal, vegetable and other decomposable matter that attends or results from the preparation, consumption, decomposition or storage of meats, fish, fowl, birds, fruits, vegetables or other food products and food containers soiled with food stuff, and shall include dead animals, fowl, birds, fish and any offal.

1—3BUTTE COUNTY APCD RULES AND REGULATIONS

GasolineVapors means the organic compounds in the displaced vapors including any entrained liquid gasoline. Gasoline means any petroleum distillate having a Reid vapor pressure of four (4) pounds or greater. Hearing Board means the Hearing Board of the Air Pollution Control District of Butte County.

- Incineration means 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.
Incinerator means 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. Installation means the placement, assemblage, or construction of equipment or control apparatus at the premises where the equipment or control apparatus will be used, including all preparatorywork at such premises. Modification means any physical change in an existing facility or change in the method of operation which results or may result in either an increase or decrease in emission of any air pollutants subject to district control, or the emission of any such air pollutant not previously emitted. The following shall not be regarded as physical changes or changes in the method of operation:

a. Routine maintenance, repair or replacement with identical or equivalent equipment;
b. Increased production rate or increased hours of operation where there is no increase in fixed capital cost, unless such production and hours are limited by permit conditions. Multiple—Chamber Incinerator means any article, machine, equipment, contrivance, structure or part.of a structure, used to dispose of combustible refuse byburning, consisting of three or more refractory lined combustion furnaces in series, physically separated by refractory walls, inter connected bygas passage ports or ducts employing adequate design parameters necessary for maximumcombustion ofthe materials to be burned. No—Burn Day means anydayon which agricultural orwood wasteburning isprohibitedbytheARBortheAirPollution Control District. 

# ( Open Out—Door Fire means combustion of any combustible

material of any type, outdoors in the open air, where the product of combustion is not directed through a flue..

1—4BUTTE COUNTY APCD RULES AND REGULATIONS

Orchard or Citrus Heaters means 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. Owner or Operator means any person who owns, operates, controls or supervises an affected facility, or a stationary source of which an affected facility is a part.
Particulate Matter means any material except uncombined water, whichcanexist inafinelydividedformasa liquid form as a liquid or solid at standard conditions. Pathological Waste means any material including but not limited to human or animal tissue, or natural constituents thereof, being combusted for reasons of waste reduction. Permissive Burn Daymeans anydayon which agricultural burning is not prohibited by the ARB.
Person means any person, firm, association, organization, partnership, business trust, corporation, company, contractor, supplier, installer, operator, user or owner, any government agency or public district or any officer or employee thereof. PressureTank means a tank which maintains working pressure sufficient at all times to prevent hydrocarbon vapor or gas loss to the atmosphere.
Proce~s Weight Per Hour means the total weight, including contained moisture, of all materials introduced into any specific process, which process maycauseanydischarge 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 will be derived by dividing the total process weight bythe 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). Public Record means 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. Range Improvement Burning means the useofopen fires to remove vegetation for wildlife, game or livestock habitat, or for the initial establishment of an agricultural practice on previously uncultivated land.

1—5BUTTE COUNTY APCD RULES AND REGULATIONS

Record means handwriting, typewriting, printing, photostating, 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 ~ind prints, magnetic or punched cards, drums, and other documents. Regulation means one of the major subdivisions of the Rules of the Air Pollution Control District of Butte County. Rulemeansa ruleoftheAirPollutionControl Districtof Butte County. Section meansaSectionoftheHealthandSafetyCodeofthe State of California, unless some other statute is specifically mentioned. Shutdown means the cessation of operation of an affected facility for any purpose. Silvicultural Practices means the establishment, development, care and reproduction of stands of timber. Solid Particulate Matter means any material except uncombined water, which can exist in a finelydivided form as solid at standard conditions.
Solid Waste Dump means anyaccumulation for the purpose of disposal of any solid waste. Source means any operation that produces and/or emits air pollution. Standard Conditions are agas temperature of 15 degrees Celsius (59 degrees Farenheit) and a gas pressure of 760 millimeters of mercury (14.7 pounds per square inch absolute). Results of all analysis and tests shall be calculated or reported at this gas temperature and pressure. StandardCubicFootofGasmeanstheamountofgasthat would occupy a volume of one(l) cubic foot, if free of water vapor, at standard conditions. Startup means the setting in operation of an affected facility for any purpose. Submerged Fill Pipe means any fill pipe which has its discharge opening entirelysubmerged when the liquid level is six inches (6”) above the bottom of the tank. “Submerged fill pipe”, whenappliedtoatankwhich is loaded from the 

# r side, means any fill pipewhich has its discharge opening

entirely submerged when the liquid level is eighteen inches (18”) above the bottom of the tank.

1—6BUTTE COUNTY APCD RULES AND REGULATIONS

Timber Operations means cutting or removal of timber or other forest vegetation. Total Reduced Sulfur (TRS) means total reduced sulfur contained in hydrogen sulfide, mercaptans, dimethyl disulfjde or other organic sulfide compounds, all expressed as hydrogen sulfide. Sulfur dioxide, sulfur trioxide, or sulfuric acid are not to be included in the determination of TRS. Vapor Recovery System means a vapor gathering system capable of collecting the hydrocarbon vapors and gases discharged and a vapor disposal system capable of processing such hydrocarbon vapors and gases so as to prevent their emission to the atmosphere, with all tank gauging and sampling devices gas—tight except when gauging or sampling is taking place. Wood Fired Boiler means any boiler used for steam cogeneration from which the products of combustion are directed through a flue or chimneyand which derives at least80percentof itsfuel inputheatcontentfromwood, or wood associated waste.



# C

I—7