# . (e) “Reasonable further progreao” means the annual incremental reductions in emissions f the levant regulated air 

### pollutant that are required by 42 U.S.C. 

## § 7501 to 7515, inclusiv

, or

are ed by the Administrator to ensure attainment ofthe applicable standard for onal ambient qualityby the applicable date. tal Comm’n, Air 

### Quality Reg. 13.1.1, eff. 11-7-75; A 8-28-79; 3.1.3, eff. 11-7-75; A 8- -79; 2-28-80; 

## ft 13.1.4-13.1.7, eff. 11-7-75]——(NAC A 10.. -87; 9-19-90; 11-23-92; 12-13- eff. 11-15-94; 3-29-94, eff 11-15-94; 10-30-95; R105-97 -5-98; R103-02, 12-17-2002; R125 9-24-2004; R096-05, 10-31-2005; R139-06 & 51-06, 9-18-2006; R142-07, 4-17-2008; R 4-11, 10-26-2011)

NAC 445B.310 

### Envlro ental evaluation: Applicable ces and 

### other subjects; exemption. (NRS 445B.210, 300) 

### 1. An applicant for 

### an opera permit, a revision to 

### perating permit or 

### a request for a change oflocation, which is not sub to the 

### provisio f

### 40 C.F.R. 

## § 52.21, 

### as adopted by reference inNAC 445B.221, must with the 

### app tion an environmental evaluation for: (a) A new 

### stationary source which cmi

, 

### orhas potential to emit, greaterthan 25 

### tons ofa regulated airpollutantperyear; 

### (b) A modificationto an existing 

### stationary cc that

### meets the following criteria: (1) The existing stationary source the 

### tential to emit 

### greater than 25 

### tons of a regulated airpollutantperyear; and (2) The proposed modification the 

### potential to t 

### greaterthan 10 tons 

### ofa regulated airpollutant

### peryear; (c) The 

### approval of

### a plantwi applicability limitation 

### or e approval to allow aplantwide applicability hmitation to 

### exp andnot

### be renewed; or (d) Upon written notice mthe Director, any 

### other source or ination of

### sources. 2. An 

### owner or tor of a Class 11 source may request exemption from the



# . requirement to submit environmental evaluation with the application. Within 30 days after receipt of a written for an exemption, the Director shall grant or the request and notify the 

### owner operator in writing of his or her determination, If such exemption is granted, the r shall 

### performthe 

### environmental evaluation. 

### [Enviro ental Comm’n, Air Quality Reg. 

## § 13.3, 

### eff 11-7-75; A 12-15-77; ren as 

## § 13.2, 8-2

- 9; 

## § 13.3.1, eff. 11-7-75; A 12-15-77; renumbered as 

## § 3.2.1, 8-28-79; 

## § 1

. .2, eff. 11-7-7

, A 12-15-77; 

### renumbered as 

## § 13.2.2, 8-28-79; 

## § 13.3.3, eff. 11-7-75; 

### renum 

## § 13.

. , 8-28-79]—{NAC A 9-19-90; R 12-13-93, 

### eff 11-15-94; A 10-30-95; R105-97, 3-5- ; 25-04, 9-24-2004; R096-05, 10-31-2005; R139-06, 9-16-2006)

NAC 445B311 Environmental evaluation: Contents; consideration of good engineering

### practice stack height. (NRS 445B.210, 445B300) 1. An environmental 

### evaluation which is required for a new or 

### modified stationary source pursuant to NAC 445B.308 to 445B.314, inclusive, or as 

### requiredby the Directormust 

### contain a careful and detailed 

### assessment ofthe environmental aspects ofthe proposed 

### stationary source 

### andmust also 

### contain: (a) The name and 

### address of

### the applicant (1) The name, address 

### and location ofthe stationary 

### source; (c) A 

### description ofthe proposed 

### stationary source, including the normal hours ofoperation ofthe 

### facility andthe general 

### types ofactivities to 

### be performed; (d) A map showing the 

### location of the 

### stationary source 

### and the topography of 

### the area, including existing

### principal streets, roads andhighways within 3 miles ofthe 

### stationary source; (e) A site plan showing the location andheight of

### buildings on the site; 

### (f) Any additional information or 

### documentation which the 

### Director deems necessary to 

### determine the effect of the 

### stationary source on the 

### quality of the ambient air, including 

### measured data on the quality ofthe ambient air and meteorological 

### conditions at the 

### proposed site before 

### construction or modification; and (g) A dispersion 

### analysis ofeach regulated airpollutant.



### 445B-69 6-12

### 2. Where approval is sought for stationary sources to be constructed in phases, the information required by subsection 1 must be submitted for each phase of the construction project. 3. An environmental evaluation must also consider good engineering practice stack height Ifthe Director considers an analysis of a source based on a good engineering practice stack height that exceeds the height specified in paragraph (a) or (b) of subsection 1 of NAC 445B.083, the Director shall:, (a) Notify the ublic ofthe availability ofthe demonstration study performed pursuant to paragraph (c) 

### ofsubsection 1 ofNAC 445B.083; 

### and (b) 

### Provide an opportunity for a public hearing on 

### the demonstration study in accordance with the requirements for a 

### Class I operating pernut set forth 

### in subsections 7,9 and 10 of NAC 445B.3395. 

### 4. A dispersion analysis used to 

### determine the location and estimated value ofthe highest concentration of

### eachregulated airpollutantmust include: (a) A 

### dispersion model based on the applicable models, bases and other requirements specified in the “Guideline on Mr Quality Models,” which is Appendix W of4O C.F.R. 

### Part 51,


### as adopted by reference in NAC 445B.221, except that the Director may authorize the modification ofa 

### model specified in the “Guideline on Mr Quality Models” or the use ofa model not includedinthe “Guideline onAir QualityModels” ifthe Director: 

### (1) Determines thatthe modification oruse is appropriate; (2) Obtains written approval ofthe modification oruse fromthe Adininistrator and 

### (3) Provides notice of

### and establishes a 30-dayperiod for

### commentin accordance withthe 

### applicable provisions ofNAC 445B.3364, 445B.3395, 445B.3447, 445B.3457 or445B.3477; (b) A narrative reportdescril,ing: (1) if 

### applicab1e assumptions 

### and premises used in the 

### analysis, including, without limitation: (I) Model options 

### chosen; (II) 

### Urban versus rural selection; (III) Background concentrations; (IV) Characterization ofemission sources as point, areaorvolume; (V) niicion dischargepoints; 

### and (VI) Rate ofemissionfromeach emissionunit; and (2) The geographic area considered in the analysis, including, without limitation, information concerning: (I) The nearest significantterrain features; (II) The receptor

### grid or rids; 

### and (III) R.estricttons on

### public access to the stationary source; and 

### (c) Validmeteorological 

### informationpursuant to the provisions 

### ofAppendix W 

### of40 C.F.R. Part 51, 

### as adoptedbyreference 1nNAC 445B.221, 

### whicfr (1) For sources that are not subjectto the permitting requirements of4O C.F1I.. 

## § 52.21, 

### as adoptedbyreference inNAC 445B.221: (I) 

### Is site specific, ifthe information 

### exists pursuant to subsection 1 ofthis 

### section or subsection

### 7 ofNAC 445B.308, andwhich 

### covers aperiod 

### ofnot

### less than 1 year; (U) Has been obtained from an 

### off-site location representative 

### ofthe proposed 

### site and 

### which covers aperiod ofnotless than 1 year; 

### (III) Represents 

### the worst-case 

### meteorological conditions, as approved 

### by the Director 

### for synthetic dats; or (IV) Has been obtained over the last 5 

### years at the nearest National Weather Service 

### site; or


# ‘1

6-12 

### 445B-70(2) For 

### sources that are subject to the 

### permitting requirements of 40 C.F.R. 

## § 52.21, as 

### adopted by 

### reference in NAC 445B.22 1, is 

### representative ofthe source site location and source emissions and which covers a

### period ofnot less than 1 year. 

### [Environmental Comm’n, Air Quality Reg. 

## § 13.4.1, eff. 11-7-75; A 12-15-77; 

### renumbered as 

## § 13.3.1, 8-28-79; 

## § 13.4.1.1, eff. 11-7-75; A 12-15-77; 

### renumbered as 

## § 13.3.1.1, 8-28-79; 

## § 13.4.1.4, eff 11-7-75; renumbered as 

## § 13.3.1.2, 8-28-79]---(NAC A 10-30-95; R103-02, 12-17-2002; R096-05, 10-31-2005; R151-06, 9-18-2006; R126-10, 12-16-2010)

NAC 445B.313 Method for determining m2Yimum heat Input: Class I sources. (NRS 4458.210, 4458.300) For the 

### purposes of 

### determining the effects of Class I sources on the 

### quality of ambient air and 

### determining the 

### applicability of a 

### federally enforceable standard or 

### requirementto an emissionunit the maximumheatinputwill be 

### determined by: 1. 

### Multiplying the maximum fuel rate as 

### determined by the manufacturer by the total calorific 

### value ofthe fuel as determinedby using the appropriate

### method ofASTM 

### International;

or 

### 2. An alternative method 

### specifiedby the 

### Director as a condition contained in the 

### operating permit ofthe 

### Class I source. [Environmental Comm’n, Air Quality Reg. 

## § 13.3.4, eff. 12-15-77; renumbered as 

## § 13.2.4, 8-28-79]—(NAC A 9-19-90; 3-29-94, eff. 1-11-96; 10-30-95; R040-01, 10-25-2001; R103-02, 12-17-2002; R142-07, 4-17-2008; R126-l0, 12-16-2010)



### 4458.3133 Mthod 

### fo dtrmlnlng heat Input; Class 

### II sources. (NRS 4458.2), 445&0O) For 

### the purposes of

### determining the effects ofa 

### Class II source on the qua!of 

### ambienNrpursuant to NAC 445B.308, 445B.310 and 445B.31 1, the heat input 

### is thejgregate 

### heat conteLpf all combusted fuels, or the guaranteed maximum input ofthe ma9llfhcturer or designer of

### thêuipment, whicheveris greater. The total heat input 

### ofall fuel-bjithing units 

### in a plant or 

### on the epiises must be used to 

### determine the maximum amounj4f a 

### regulated air

“°(AddedtoNACtw(onmental Comm’n by Ri03-02, eff. 12-j2

NAC 4458.314 Methohq determining heat Input: 9l UI 

### and Class W 

### sources. (NRS 

### 4458.210,4458.300) For1lie

### purposes of

### determinjnthe effects ofa Class ifi source or

a Class W source on the 

### quality oNinbient air pur1t 

### to NAC 445B.308, 445B.310 

### and 4458.311, the heat input 

### is the ag all 

### combusted fuels, or the guaranteed maximum inputofthe manufacturer or equipment, whichever

### is greater. The total heat input ofall fuel-burning units 

### in a premises must be 

### used to 

### determine the maximum 

### amount ofaregulated air 

### be emittect (Added 

### to NAC by 

### eff. 12-17-2002; A by R014-1 1, 10-26-2011)

NAC 4458.315 Contçats 

### of operating 

### permits: xcepuq1 for operating 

### permits to construct; 

### required cojiditlons. 

### (NRS 4458.210, 

### 4458.300) 1. Notwithstani4 

### any provision of this section to the 

### conlraiythe provisions of this 

### section do not apply to 

### operating permits to construct. 2. The pirector 

### shall cite the legal authority 

### for each condition containe(in an operating 

### permit. 3.A1i 

### operating permit mustcontainthe following conditions: 

## ..() The term ofthe 

### operating 

### permitis 5 years. (b) The holder ofthe 

### operating permit shall retain records ofall required monitoring da d

- 

### suppin 4 ing infonnatiea for 5 

### years afterthe date efthe sample eoileeoe, 

### measurement, report

‘

4458-71 6-12