### SECTION1—DEFINITIONS 

## cq,/ 7 1.1 “Affected Facility” means, with reference to a sta tionary source, any apparatus to which a standard Is applicable. 1.3 “Air Contaminant” means, any substance discharged into the atmosphere exceptwater vapor or water droplets. 1.6 “Air Po1lutlo Control Comittee” means, three (3) members selected from the District Board ofHealth of Clark County to perform the functions set forth In these Regulations. 1.11 “Area Source” means, a collection ofminor sources each emitting 

### less than 22.7 metric tons (5 tons) per year of any pollutant for which there Is a stan— dard. 1.12 “Atmosphere” means, the portion of air which envelops the earth that Is not contained In any enclosed bufldLg or structure. 1.16 “Board” 

### means, the District Board ofHealth of Clark County. 

### 1.23 “Couinercial Off—Road Vehicle Ractng” 

### means, an off—road racing event 

### In which the participants pay entry fees 

### of$50.00 ormar., orwinners receive cashawards of $50.00 

### ormore. 1.26 “Dust” means, 

### minute solid particles released Into the 

### atmosphereby natural 

### forces prby mechanical or chemi cal processes. “Existing Facility” means, any single source of contaminant on which construction or modification was 

### begtu prior to August 25. 1971. 

### 1.29 “ExistIng Gasoline Station” means, a place capable. of receiving, storing, and dispensing one ormore grades ofgasoline for use In motor vehicles and for which construction couri*nced prior to November 1, 1977. 1.30 “FIxed Capital Cost” means, the capital needed to provide all the depreciable components. 

# I

# //J79 1.36 “Fumes” means, minute solid particles generated by the condensation ofvapors from solid matter after volati lization from the n1ten state, or may be generated by sublimation, distillation, calcinatior,, or chemical re- action, when these processes create airborne particles. 1.40 “Health District” means, the Clark County Health District. 1.41 “Hearing Board” means, seven (7) members ipointed by the Board ofHealth to perforTn the function set forth En the Nevada Revised Statutes and these Regu lations. 1.44 “Integrated sampling” means sampling for an avetage concentra.r tion during an arbitrary time period. It generally Involves collection of the sample in the field folrowed by analysis of the sample in the laboratory. 

## IL/i7// “Minor Source” 

### means a source ofair contaminants in which the “Potential FeEmit” for each and every contaminant a less than the “Significant” Emission Rate.
1.5) “Mist” means, liquid particulates or. droplets, about the size of raindrops, suck

### as fog, that are formed by condensation or vaper or atomization of a Hquld by mechanical spraying.

1.57 “New Gas.lErie Station” means, 

### aplacecapabl. of receiv Ing, storing and dlsp.nsiftqoneormore gradesof gaSollfl• 

### foruse In

### motorvehicles and forwhich construction coameiiced

### on 

### or afterj_:S’r+Th. November 1, 1

### 977

1.58 

### “New Source” means, any single source of air contaminant on which construction or reconstruction has begun after August 25, 1971.

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1.60 “NEC” 

### mean., Nevada industrial CoumiSSlOfl.
1.70 ‘ “Point Source” means, any source that emits In excess of 22.7 metric tons (25 tons) per year of any air contaminant. 

### 1.78 “Slwtdow&’ meani, the cssation ofoperation ofany affected facility forany purpose.
“Significant” means, in reference to a net emissions Increase or the potential of a source to 

### emit any of the following poTlutants, a rate of emissions that would equal or ex ceed any of the following rates 

# g/,q. 7 c

1
1.81 “SIngle Source” 

### means, .1.1 similar process operations lo cated at a single contiguous property which can technically be replaced by a single process that performs 

### the same function. 1.83 “Smoke” means, the product of Incomplet, combustion consist ing chiefly ofparticles ofunburned carbon. 1.8r “Source ofAir Contaminant” means, anything which emits any air contaminant.. 1.85 “SpecIal Mobile Equipment” means, every vehicle not designed or used primarily for the.transportation of persons or pro perty and only Incidentally operated ormoved upon a paved roadway. Special mobile equipment may include but Is not limited to graders, scrapers-, bulldozers, and other construction equIpment. 1.87

. “Standard Comercial Equipment” means, equipment man ufactured in quantity for 

### the purpos• intended and completely specified t• the slz, type, and ratings in catalogs, and otherprinted literatur, readily avail ablelocally to officials within Clark County. “Stgndard Conditions” means, a temperature

### áf200 Celclus (68 F) and 

### a pressure

### of760 meofmercury 

### (29.92 inches ofmercury)

. 

### 1.89 “Start Up’s

### means, th. setting 

### In operation ofan affected ficility for any purpos..

# T
“Stop Ordev means, a

### wrlttaiinotIceby the Control OffTcer served on apersa 

### e

### prss anga,.d in the doing or causing the 

### construction, Installationmealteration, orwork Involv Ing an iir contaminant source or sources ordering such work to be stopped.. 195

- “Uncombined Water 1 ’ means, a visiblemistofcondensed water 

### vapor. 1.97 “Vapor Disposal System” means,.a device or combination- ofdevices Into which vapors are passed before being vented into the atmosphere.