OGE EnergyCorp. PO Box 321 Oklahoma City, Oklahoma 73101-0321 405-553-3000 www.oge.com 

### February 7, 2007
HAND DELIVERED Mr. Phillip Fielder Oklahoma Department ofEnvironmental Quality Air Quality Division P.O. Box 1677 Oklahoma City, Oklahoma 73101-1677 

# RECEIVED 

# [**~~~::?~ 20~1.]**  AIR QUALITY
RE: Revised BestAvailable Retrofit Technology (BART) WaiverApplication Oklahoma Gas and Electric Company Horseshoe Lake Generating Station Units 7 & 

### 8 Dear Mr. Fielder: On January 23, 2007, OG&E received correspondence from Mr. Terrill requesting additional modeling for the Horseshoe Lake Station BART waiver application. Specifically, the letter requested the CALPUFF modeling be extended to include receptors at Upper Buffalo
- ­ Wilderness and Hercules-Glades Wilderness in order to evaluate source impacts beyond 300­ km. Enclosed are the revised modeling report and one disc containing the modeling input/output files. The enclosed modeling demonstrates that Horseshoe Lake Units 7 

### & 8 

### do not cause or contribute to 

## a significant impairment ofvisibility in Class I areas within 300 km ofthe source. Ifyou have any questions or comments, please contact me at 553-3297. Sincerely,

# nz~~ Melody Martin Air Quality Coordinator Enclosures (2)
cc 

## wlo enclosures: Kimber Shoop Chuck Wehland IXOS id: 3811

### CALPUFF BART MODELING REPORT • REFINED ANALYSIS OKLAHOMA GAS 

## & ELECTRIC COMPANY

HORSESHOE LAKE GENERAT1NG STATION 

### Prepared by: 

### Vern Choquette • Principal Consultant Don Whitney, PE· Managing Consultant Eugene Chen, PE • Senior Consultant Jeremy Townley • Consultant TRINITY CONSULTANTS 

### 120 East Sheridan Suite 205 Oklahoma City, OK 73104 (405) 228-3292 Februray 6, 2006 

### Project 063701.0003 

# RECEIVED

[ FEB 0 7 

# 2007 

# I AIR QUALITY .**-~ -"-~---**  

### .. ". 

### . 

## --_...

t t 

# OGlE· TI f).9-1!y l!.. \jJnsUltants

### TABLE OF CONTENTS 

# •

1. EXECUTIVE SUMMARY •••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• 

### 1-1 

### 1.1 BACKGROUND....................................................................................................... 

### 1-1 1.2 OBJECTIVE ............................................................................................................ 

### 1-1 1.3 LOCAnON OF SOURCES AND RELEVANT CLASS 

### I AREAS ..................................... 

### 1-2 1.4 MODEL RESULTS ............................................................................. ' ..................... 

### 1-2 

## 2. CALPUFF MODELING SYSTEM .......................................................................... 

### 2-1 

### 2.1 MODEL VERSIONS................................................................................................. 

### 2-1 2.2 MODELING DOMAIN ............................................................................................. 

### 2-2 

## 3. CALMET............................................................................................................ 3-1 

### 3.1 GEOPHYSICAL DATA ............................................................................................. 

### 3-1 3.1.1 TERRAIN DATA ................................................................................................... 3-1 3.1.2 LAND USE DATA .............:................................................................................... 3-1 

### 3.2 METEOROLOGICAL DATA ................ : .................................................................... 

### 3-2 3.2.1 MESOSCALE MODEL DATA ................................................................................. 3-2 3.2.2 SURFACE DATA ................................................................................................... 3-2 

# • 3.2.3 UPPER AIR DATA .................................................................................:..............3-3 3.2.4 PRECIPITATION DATA ......................................................................................... 3-3 

### 3.3 CALMET PROCESSING CONTROL ........................................................................ 

### 3-4**~** 

### 4. CALPUFF .............................................................................................................

### 4-1 4.1 BART-ELIGIBLE SOURCES ................................................................................... 

### 4-1 4.2 SOURCE EMISSIONS DATA ....................................................................................

### 4-1 4.2.1 PM IO EMISSIONS ................:.................................................................................4-2 4.2.2 STACK PARAMETERS ........................................................................................... 4-3 

### 4.3 RECEPTOR LOCATIONS..........................................................................................

### 4-3 4.4 BACKGROUND OZONE .......................................................................................... 

### 4-5 4.5 BACKGROUND AMMONIA ..................................................................................... 4-5 4.6 CALPUFF MODEL CONTROL PARAMETERS ........................................................ 4-6 

## 5. CALPOST........................................................................................................... 5-1 

### 5.1 LIGHT EXTINCTION ALGORITHM ........................................................................... 

### 5-1 5.2 CALPOST PROCESSING METHOD......................................................................... 

### 5-1 5.3 NATURAL BACKGROUND ...................................................................................... 

### 5-2 5.4 EVALUATING BART-EXEMPTION ......................................................................... 

### 5-2 5..5 SUMMARY OF CALPOST CONTROL PARAMETERS.................................. ............ 

### 5-2

, 

## 6. MODEL RESlTLTS ........•.•..................•••••••............••.................••••••........................ 

### 6-1 

# • APPENDIX 

### A - EMISSION DATA


### Oklahoma Gas & 

### Electric Co. Trinity Consultants Refined BART Modeling Report (Horseshoe Lake) 063701.0003

# • APPENDIX 

### B - DATA FILE LIST APPENDIX 

### C - MODELING INPUT/OUTPUT FILES


# •

• ii Oklahoma Gas & 

### Electric Co. Trinity Consultants Refined BART Modeling Report (Horseshoe Lake) 063701.0003

# • LIST OF TABLES



# • TABLE 2-1. CALPUFF MODELING SYSTEM VERSION NUMBERS.........................................................2-1 TABLE 2-2. VERTICAL GRID STRUCTURE........................................................................................... 2-3 TABLE 3-1. SUMMARY OF CALMET INPUTS ..................................................................................... 3-5 TABLE 4-1. CONSTRUCTION DATE SUMMARy ...................................................................................4-1 TABLE 4-2. MAXIMUM EMISSION RATES (24-HOUR AVERAGE) ....................................................... .4-2 TABLE 4-3. SPECIATED PM10 EMISSIONS ..........................................................................................4-2 TABLE 4-4. POINT SOURCE STACK PARAMETERS ............................................................................. .4-3 TABLE 4-5. SUMMARY OF CALPUFF INPUTS .................................................................................... 4-6 TABLE 5-1. MONTHLY HUMIDITY FACTORS ......................................................................................5-1 TABLE 5-2. DEFAULT AVERAGE ANNUAL NATURAL BACKGROUND LEVELS ................................... 5-2 TABLE 5-3. SUMMARY OF CALPOST INPUTS ................................................................................... 5-2 TABLE 6-1. VISIBLITY IMPACT MODEL RESULTS FROM CANEY CREEK 2001-03 .............................. 6-1 TABLE 6-2. VISIBLITY IMPACT MODEL RESULTS FROM WIClllTA MOUNTAINS 2001-03 .................. 6-2 TABLE 6-3. VISIBLITY IMPACT MODEL RESULTS FROM UPPER BUFFALO 2001-03 ........................... 6-3 . TABLE 6-4. VISIBLITY IMPACT MODEL RESULTS FROM HERCULES GLADES 2001-03 ...................... 6-4 

# • Oklahoma Gas 

### & Electric Co. III Trinity Consultants Refined BART Modeling Report (Horseshoe Lake) 063701.0003

# • LIST OF FIGURES
FIGURE 1-1. LOCATION OF HORSESHOE LAKE STATION AND NEARBY CLASS 

### I AREAS ................... 1-1 FIGURE 2-1. PROPOSED MODELING DOMAIN ..................................................................................... 2-2 FIGURE 3-1. PLOT OF MODELING DOMAIN USGS TERRAIN DATA ...................................................3-1 FIGURE 3-2. PLOT OF MODELING DOMAIN LULC DATA...................................................................3-1 FIGURE 3-3. PLOT OF SURFACE STATIONS .........................................................................................3-3 FIGURE 3-4. PLOT OF PRECIPITATION STATIONS................................................................................ 3-4 FIGURE 4-1. CANEY CREEK WILDERNESS RECEPTOR LOCATIONS .................................................. 

### ..4-3 FIGURE 4-2. WICHITA MOUNTAINS WILDERNESS RECEPTOR LOCATIONS .........................................4-4 FIGURE 4-3. UPPER BUFFALO WILDERNESS RECEPTOR LOCATIONS ................................................. .4-4 FIGURE 4-4. HERCULES GLADES WILDERNESS RECEPTOR LOCATIONS ............................................ .4-5 

# •

• iv Oklahoma Gas & 

### Electric Co. Trinity Consultants Refined BART Modeling Report (Horseshoe Lake) 063701.0003

# •

•

• 1. EXECUTIVE SUMMARY


## 1.1 BACKGROUND On July 1, 1999, the U.S. Environmental Protection Agency (EPA) published the final Regional Haze Rule (RHR). The objective ofthe RHR is to improve visibility in ]56 specific areas across the United States, known as Class I areas. The Clean Air Act defines Class I areas as certain national parks (over 6,000 acres), wilderness areas (over 5,000 acres), national memorial parks (over 5,000 acres), and international parks that were in existence on August 7, 1977. On July 6, 2005, the EPA published amendments to its 1999 RHR, often called the BART rule, which included guidance for making source-specific Best Available Retrofit Technology (BART) determinations. The BART rule defines BART-eligible sources as sources that meet the following criteria: (1) 

### Have potential emissions ofat least 250 tons per year ofa visibility-impairing pollutant, (2) Were "in existence" between August 7, 1962 and August 7, 1977, and (3) Are listed as one ofthe 26 listed source categories in the guidance. A BART-eligible source is not automatically subject to BART. Rather, BART-eligible sources are subject-to-BART ifthe sources are "reasonably anticipated to cause or contribute to visibility impairment in any federal mandatoryClass I area." EPA has determined that sources are reasonably anticipated to cause or contribute to visibility impairment ifthe visibility impacts from a source are greater than 0.5 deciviews (dv) when compared against a natural background. Air quality modeling is the tool that is used to determine a source's visibility impacts. States have the authority to exempt certain BART-eligible sources from installing BART controls ifthe results ofthe dispersion modeling demonstrate that the source carmot reasonably be anticipated to cause or contribute to visibility impairment in a Class I area. Further, states also have the authority to define the modeling procedures for conducting modeling related to making BART determinations. To promote consistency between states in the development ofBART modeling protocols and to harmonize the approaches between adjacent RPOs, CENRAP developed BARTModeling Guidelines 

### (December 15,2005). The intent ofthe guidelines is to assist CENRAP states and source operators 

### in the development ofstatewide and source-specific modeling protocols. 

## 1.2 OBJECTIVE The objective ofthis document is to provide a report summarizing the model results and the modeling methods and**procedur~s** 

### that were followed by Trinity when conducting refined modeling for Oklahoma Gas & Electric's (OG&E) Horseshoe Lake Generating Station near Harrah, OK.
1-1 Oklahoma Gas & Electric Co. Trinity Consultants Refined BART Modeling Report (Horseshoe Lake) 063701,0003

# • 1.3 LOCATION OF SOURCES AND RELEVANT CLASS 

## I AREAS OG&E's Horseshoe Lake station is located due north ofHarrah, OK, and is a PSD major source of emissions. The facility is an electricity generating station and operates multiple natural-gas fired utility boilers. OG&E has identified the sources listed in Appendix A at the Horseshoe Lake station as sources that meet the three criteria for being BART-eligible sources. These sources include:
• HL7, 2,379 MMBtuIhr Boiler, Babcock&Wilcox • HL8, 3,960 MMBtulhr Boiler, Combustion Engineering A detailed summary ofBART-eligibility is included in Section 4.1. Figure 1-1 provides a plot ofthe location ofthe Horseshoe Lake station in relation to its neighboring Class I areas. An initial modeling report that examined the visibility impact ofthe Horseshoe Lake Station on Class I areas within a 30 

### km radius was submitted to the Oklahoma DEQ on November 30, 2006. In a letter dated January 23, 2007, the Oklahoma DEQ requested that the CALPUFF analysis be extended to include receptors at the Upper Buffalo and Hercules-Glades Wilderness. The following Table contains the four surrounding Class I areas and the distances they are from the Horseshoe Lake station. 

# • Class I Area Name Distance from source (km) Caney Creek Wilderness 300**~** 

### Hercules-Glades Wilderness 398 Upper Buffalo Wilderness 337 Wichita Mountains National Wildlife Refuge 157


## 1.4 MODEL RESULTS Model results from the refined analysis are included in Section 6. The tables in Section 6 indicate that the 98th 

### percentile visibility impairment values are below the 0.5 dv threshold described in CENRAP's BARTModeling Guidelines (December 15,2005). These results indicate that the Horseshoe Lake Station is eligible for a waiver from BART requirements. 

# • 1-2 Oklahoma Gas & Electric Co. Trinity Consultants Refined BART Modeling Report (Horseshoe Lake) 063701.0003

# • • •

FIGURE 

### 1-1. LOCATION OF HORSESHOE LAKE STATION AND NEARBY CLASS 

### I AREAS

Note : Horseshoe Lake Station, Class I area, and domain boundary locations presented above are approximations for visual purposes and are not exact . 

### I-I Oklahoma Gas & 

### Electric Co. Trinity Consultants Refined BART Modeling Report 063701.0003

# • 2. CALPUFF MODELING SYSTEM


### The main components ofthe CALPUFF modeling system are CALMET, CALPUFF, and CALPOST. CALMET is the meteorological model that generates hourly three-dimensional meteorological fields such as wind and temperature. CALPUFF simulates the non-steady state transport, dispersion, and chemical transformation ofair pollutants emitted from a source in "puffs". CALPUFF calculates hourly concentrations ofvisibility affecting pollutants at each specified receptor in a modeling domain. CALPOST is the post-processor for CALPUFF that computes visibility impacts from a source based on the visibility affecting pollutant concentrations that were output by CALPUFF. 

## 2.1 MODEL VERSIONS 

### Earth Tech, Inc. is the primary developer ofthe CALPUFF modeling system and all related programs. The versions ofthe CALPUFF modeling system programs that Trinity used for OG&E's modeling are listed in Table 2-1. Table 2-1 also compares the program versions that Trinity used with the program versions recommended by CENRAP. Note that some ofthe program versions are not the same as the program versions recommended by CENRAP. Certain programs are being utilized in order to avoid data compatibility issues with previous versions ofthe CALPUFF system. Trinity used the following software version numbers listed below. Model selection was primarily driven by a 

# • desire to utilize the most recent release ofCALMET. CALPUFF and CALPOST executable versions were then selected as appropriate for compatibility. TABLE 2-1. CALPUFF MODELING SYSTEM VERSION NUMBERS Program CENRAP Suggested Version TERREL 

### 3.3 II CTGCOMP 

### 2.42 CTGPROC 

### 2.42 MAKEGEO 

### 2.22

# ~ 2.4 5.53a CALPUFF 

### 5.711a POSTUTIL 

### 1.4 CALPOST 

### 5.51 Level 

### 030709 030709 030709 030709 050413 040716 040716 040818 030709 Horsehoe Lake Refined Analysis Version Level



### 3.311 030709 2.22 030528 2.42 030709 2.22 030709 2.4 050413 6.211 060414 6.112 060412

1.4 040818 6.131 060410 Reason for Difference Version recommended is not available

Most recent release of CALMET Use version compatible with CALMET v6.211 Use version compatible with CALPUFF 6. 112 

# • 2-1 Oklahoma Gas & Electric Co. Trinity Consultants Refined BART Modeling Report 063701.0003

# •
2.2 MODELING DOMAIN Trinity utilized a modeling domain that extends at least 50 km in all directions beyond the Horseshoe Lake Station and each ofits surrounding Class I areas. Note that while Upper Buffalo and HerculesGlades are included in the domain, these Class I areas are more than 300 km from the Horseshoe Lake Station. The map projection for the modeling domain is Lambert Conformal Conic (LCC) and the coordinate system will be North American Datum 1927 (NAD27), which is an LCC projection. The meteorological grid spacing is 3 km. The southwest corner ofthe modeling domain is Latitude 34.00oN, Longitude 100.5°W which was assigned as the 0, 0 reference point for the domain. The northeast corner ofthe modeling domain is approximately Latitude 37.25°N, Longitude 92°W. At a grid spacing of3 km, the number ofX grid cells is 256 and the number ofY grid cells will be 155. Figure 2-1 provides a plot ofthe modeling domain with respect to the sources and Class I**are~s.** 

# • 550 500 450 400 350

## ~ E300 <.> 'f!

### ~ 250 E 

### € 8 200 W 

# § 150

100 50 0 ·50 I 

### FIGURE 

### 2-1. PROPOSED MODELING DOMAIN

JOplitMO Hercules·Glades 

# •

OG&E.Ho."hae.Lake.PlaIlt $, OklahomaC,!y.OK Norm'".OK

I I I

·50 0 50 100 150 200 250 300 350 400 450 500 550 600 650 700 750 800 lambert Conformal Conic (X) (km) 

# • 2-2 Oklahoma Gas 

### & Electric Co. Trinity Consultants Refined BART Modeling Report 063701.0003

# • For the purposes ofthis analysis, the CALMET and CALPUFF domains are identical for each analysis and are singularly referred to herein as the "domain." The horizontal domain is comprised ofgrid cells, each containing a central grid point at which meteorological and computational parameters are calculated at each time step. For this analysis, grid

.spacing intervals of3 

### km were selected to resolve terrain features within the domain. Table 2-2 summarizes the vertical grid structure selected for both analyses. The cell face height ofeach cell indicates its vertical extent. The vertical domain is also composed ofterrain-following grid cells, the number and size ofwhich are chosen so as to constrain the boundary layer in which dispersion and chemical transformations take place. TABLE 

### 2-2. VERTICAL GRIn STRUCTURE 

### Cell Face Height Vertical Grid Cell (meters) 

# • 1 

### 20 2 40 

### 3 

### 80 4 

### 160 5 320 

### 6 640 7 

### 1,200 8 

### 2,000 9 

### 3,000 10 4,000



# • 2-3 Oklahoma Gas 

### & Electric Co. Trinity Consultants Refined BART Modeling Report 063701.0003

# • 3. CALMET



# • Trinity conducted a three-year CALMET analysis incorporating both mesoscale model and observation meteorological data to generate three years ofCALMET outputs to be used as inputs to CALPUFF. The CALMET model requires the input ofgeophysical data, meteorological data, and model parameter settings. The CALMET modeling procedures that Trinity is proposing to use generally follow the recommendations in CENRAP's protocol. It 

### should be noted that Trinity used surface and precipitation data but not upper air observations in this CALMET analysis. As a result, some ofCENRAP's recommendations may not apply. 

## 3.1 GEOPHYSICAL DATA CALMET requires geophysical data to characterize the terrain and land use parameters that potentially affect dispersion. Terrain features affect flows and create turbulence in the atmosphere and are potentially subjected to higher concentrations ofelevated puffs. Different land uses exhibit variable characteristics such as surface roughness, albedo, Bowen ratio, and leaf-area index that also effect turbulence and dispersion. 

### 3.1.1 TERRAIN DATA 

### Trinity used terrain data obtained from the United States Geological Survey (USGS) in 1­ degree (l 

### :250,000 scale or approximately 90 meter resolution) digital format. A list ofthe USGS terrain files that were used is provided in Appendix B. A plot ofthe land elevation for the modeling domain based on the referenced files is provided in Figure 3-1 .


# • 3-1 Oklahoma Gas & 

### Electric Co. Trinity Consultants Refined BART Modeling Report 063701.0003

# · - 1 

# • •

.... 

# .. £b**~** '-' 

# i

.. ....1 34

33

LorgiI:ude (dtge ts W) FIGURE 

### 3-1. PLOT OF MODELING DOMAIN 

### USGS TERRAIN DATA

Ururs (Above MSL)



### 3-1 OG&E Electric Services Trinity Consultants Refined BART Modeling Report 063701.0003

# • Trinity input the USGS terrain data into the TERREL program to generate grid-cell



### 400
C 

# t: 300 c.> 

### · c 0 u ii 

# • E


## E oS c: 

### 200 0 u t: IV .rJ E ...J 

## '" 100 

# • elevation averages across the modeling domain. 

### 3.1.2 LAND USE DATA 

### Trinity used USGS Composite Theme Grid (CTG) format Land Use and Land Cover (LULC) data files at 1:250,000 resolutions. Where 1:250,000 land use data is not available, Trinity used USGS data at I: 100,000 resolutions. A list ofthe USGS land use files that were used is provided in Appendix B. A plot ofLULC data over the modeling domain is presented in Figure 3-2below. 

### FIGURE 3-2. PLOT OF MODELL 'IG DOMALN 

### LULC DA TA

90



### 600 700 0

1 0 = U rban 50 =Water 20 = Agncu Itural Lan a 60 =Wetlan d 30 = Range lan d 70 = Barren Land 40 = Forest Land 80 = Tundra 90 = Perennial Snow or Ice 

### Trinity input the LULC data into the CTGPROC program to generate land use for each grid cell across the modeling domain. Since the USGS CTG format LULC data files must be compressed prior to use in the CTGPROC utility processor, Trinity compressed the files using the program CTGCOMP. 

# • 

# ,

. . 

# .*

.:

o-...-.--'--.........

o 100 200 300 400 500 Lambert Confonnal Conic (X) (km)



### 3-1 Oklahoma Gas & Electric Co. Trinity Consultants Refined BART Modeling Report (Horseshoe Lake) 063701.0003

# • 3.2 METEOROLOGICAL DATA CALMET was used to assimilate data for 2001,2002, and 2003 using mesoscale model output and National Weather Service (NWS) surface station observations, upper air station observations, and precipitation station observations to develop the meteorological field. 

### 3.2.1 MESOSCALE MODEL DATA 

### Hourly mesoscale data was used to supplement the hourly surface, upper air, and precipitation observation data. The mesoscale data was used to define the initial guess field for the CALMET simulations. Trinity used the following 5th 

### generation mesoscale model meteorological data (or MM5 data):
• 2001 MM5 data (12 km resolution), • 2002 MM5 data (36 km 

### resolution), and • 2003 MM5 data (36 km 

### resolution) 

### 3.2.2 SURFACE DATA 

# • The use ofmultiple stations for meteorological observations in CALMET/CALPUFF provides a substantial enhancement over the steady-state treatment ofobservations from a single meteorological station. Parameters affecting turbulent dispersion that are observed hourly at surface stations include wind speed and direction, temperature, cloud cover and ceiling, relative humidity, and precipitation type. Surface data were extracted from among the surface stations listed in Appendix B and are illustrated in Figure 3-3. These sources were selected from the available data inventory to optimize spatial coverage and representation ofthe domain. Raw observations from these stations were obtained from the National Climatic Data Center (NCDC), quality assured and were merged using the SMERGE pre-processor to create a single assimilated data file ofsurface observations for each year analyzed.

3-2 

# • Oklahoma Gas & 

### Electric Co. Trinity Consultants Refined BART Modeling Report (Horseshoe Lake) 063701.0003

# •

•

•

# • FIGURE 

### 3-3. PLOT OF SURFACE STATIONS

500 450 400 350

## ~ E 300 u**.~** 0**~** 250 

## § § 200 t! OJ .Q**~** 150 ...J 100 

# • 50 0 -50 -50 

## 3.2.3

3.2.4 KCNU 

# . KI<!iiAfj



# . . KPFF KSGF 

# :--------------**--------~~---------** KP2fI I • KCFI' I 

# • Hercules-<llades KFLP K"!f'G KHRO 

# . KSLG KGfG**~S\NO** KFIIV 

# . KMKO OG&E tfDrsIaIhoe LaI<e Plant**~oKISTIK.** - ­ KFS1i4 

# . I KCSM 

# . 

# .

. K0,!JN Ku/F KHBR**KU~** • I WiChita_MountaiJ KLPlN I • KCOS I .. Kt;>R I I KSfS I KF39 KPRX 

# . . KTXK KEI.D

_ _ _ _ _ _ _ _ _ _ KDTO K..!,KI_



### o 50 100 150 200 250 300 350 400 450 500 550 600 650 700 750 800 Lambert ConformaJ Conic (X) (km) UPPER AIR DATA 

### Upper air observations were not used in this CALMET analysis (Le., NOOBS = 

### 1).
PRECIPITATION DATA 

### The effects ofchemical transformations and deposition processes on ambient pollutant concentrations was considered in this analysis. Therefore, it is necessary to include observations ofprecipitation in the CALMET analysis. The precipitation stations from which Trinity extracted data are listed in Appendix B. The locations ofthe precipitation stations with respect to,the modeling domain are shown in Figure 3-4. These stations were selected from the available data inventory to optimize spatial coverage and representation ofthe domain. Data from the stations was processed for use in CALMET using Version 5.31, Level 030528 ofEPA's PMERGE program. 

# • 3-3 Oklahoma Gas & 

### Electric Co. Trinity Consultants Refined BART Modeling Report (Horseshoe Lake) 063701.0003

# •
550 500 450 400 350

## ~ E 300 u 'E: 0**~** 250 E**~** 

# 8 200 t:: Q) 0**~** 150 100 

# • 50 0 -50 

### FIGURE 

### 3-4. PLOT OF PRECIPITATION STATIONS



# . lOLA;

### uc~ I'" - - o6DGT - - - - - 

# ... - - - - -C!;ANt;r - - - ­ I WICHlT SUEleT I I**~~a** I 

# . \NEST BN<'TLE NOWATA IRlvERS**GR~AT** poNcA I WAYNoK PwJNEE TuLsAt fAYeTT**sa~** M:'R'S6l>ilt.W OILTON UppEr'

_BUl'faJo 

# . GllSeR OG&ICHoIW:i1boe_La1:e_Plant ,PMTHE STPAU BCTKINI. MUsKOG**GR~ERS** CLMKS GEMI' FORT S I 

# • 

# .**P.eM~A** OKEMA'1 ELK CI

### ~O I 

### , I I I CHICKA 

### J WiChita_Mountalnsl**'''H~OD** ....uM:tlAijAH**W~RO** 

## BRloos; MCALE$lENGAL**Caa~I!.Creek MO~TlKEL**  I • 

### , , \I\I1CHIT rlNE B i'IJIIOBN<T LEHloH DUNCAN**~I:..t... NAR~"-'RKAoE**  I CHILoR C.oNE I'**D~'(JfIe"S** )\f<ffOiN I I MOMOR I
• I**CAMDE~** WlCHlT**EL~&ION**

-50 

### o 50 100 150 200 250 300 350 400 450 500 550 600 650 700 750 800 Lambert Conformal Conic (X) (I<m) 

## 3.3 CALMET PROCESSING CONTROL Table 3-1 provides a listing ofthe CALMET parameters that Trinity used in OG&E's modeling analysis. Tn addition to the parameters that were used for OG&E's modeling, the table also lists CENRAP's recommended parameters for comparison. In cases where a parameter to be used is different than what CENRAP recommended, a short explanation as to the difference is proved. Note that most ofthe differences from CENRAP's recommended parameters are due to the inclusion of observation data into the modeling analysis, since CENRAP's parameters are based on a noobservation analysis. 

# • 3-4 Oklahoma Gas & Electric Co. Trinity Consultants Refined BART Modeling Report (Horseshoe Lake) 063701.0003

# • TABLE 

### 3-1. SUMMARY OF 

### CALMET INpUTS



# • CALMET Variable Description

# udedin Protocol Value Trinity Will Use Notes NUSTA Number ofupper air data sites 0 0 Only surface and precipitation observations were used NOWSTA Number ofoverwater data sites 0 0 IBYR Starting year 2001 Appropriate met year Years 2001, 2002, 2003 IBMO Starting month 1 Appropriate month Due to file size, analysis was completed by month IBHR Starting hour I I Base time zone 6 6 IRLG Length ofrun 6 Varies with month Due to file size, analysis was completed 

### by month IRTYPE Run type (l for CALPUFF) I I LCALGRD Compute CALFRID data fields (T = run CALGRID) F F
ITEST Stop run after SETUP to do input QA (2 == run) 2 

### 2
PMAP Map projection LCC LCC RLATO Latitude (decimal degrees) ofprojection origin 40N 33.25N Appropriate for domain RLONO Longitude (decimal degrees) ofprojection origin 97W lOO.5W Appropriate for domain XLATl Latitude of 151 standard parallel 33N 33N Appropriate for domain XLAT2 Latitude of2nd standard parallel 45N 40N Appropriate for domain DATUM Datum region for output coordinates WGS-G WGS-G Selected datum to match datum of land use data NX Number ofX grid cells in meteorological grid 300 256 Appropriate for domain 

# • 3-5 Oklahoma Gas 

### & Electric Co. Trinity Consultants Refined BART Modeling Report (Horseshoe Lake) 063701.0003

# •

• CALMET Variable Description Value Included in

### I Value Trinity Will Use Notes 

### NY Number ofY grid cells in meteorological grid 192 155 Appropriate for domain DGRIDKM Grid spacing (km) 6.0 3.0 Refined grid spacing XORIGKM Ref. coordinate of SW comer ofgrid cell -1008 0 Appropriate for domain YORIGKM Ref. coordinate of SW comer ofgrid cell 0.0 0 Appropriate for domain NZ Number ofvertical layers 

### 10 10 ZFACE Vertical cell face heights (NZ 

### + I values) 0,20,40,80, 160, 320,640,1200,2000, 3000,4000 0, 20, 40, 80, 160,320,640,

1200,2000, 3000,4000 LSAVE Save met. data fields in an unformatted file? T T
IFORMO Type ofunformatted output file (l for CALPUFF) 1 1
LPRINT Print met. fields F F IPRlNF Print intervals 1 1 IUVOUT(NZ) Specify layers ofu,v wind components to print NZ·O NZ·O IWOUT(NZ) Specify layers ofw wind component to print NZ·O NZ·O ITOUT(NZ) Specify layers of3D temperature field to print NZ·O NZ·O
LDB Print met data and variables F F NNl First time step for debug data to be printed I I
NN2 Last time step for debug data to be printed 

### 1 2 Generated debug data for a total of2 time steps IOUm Control variable for 0 0 

# • 3-6 Oklahoma Gas & Electric Co. Trinity**~onsultants** 

### Refined BART Modeling Report (Horseshoe Lake) 063701.0003

# •

• CALMET Variable Description Value Included in CENRAP Protocol Value Trinity Will Use Notes writing test/debug wind fields NZPR.N2 Number oflevels starting at surface to print 0 I Default
IPRO Print interpolated wind components 0 0 IPRI Print terrain adjusted surface wind components 0 0
IPR2 Print initial diverJ.l:ence fields

### ~ 0 IPR3 Print final wind speed and direction 0 0 IPR4 Print final divergence fields 0 0 IPRS Print winds after kinematic effects 0 0 IPR6 Print winds after Froude number adjustment 0 0
IPR7 Print winds after slope flows are added 0 0 IPR8 

# . components 0 0 NOOBS No observation mode (2 No surface, overwater, or upper air observations; use MMS for surface, overwater, and upper air data) 2 I Used surface and precipitation observations

NSSTA Number of meteorological stations in SURF.DAT file 0 47 Number ofstations

NPSTA Number of precipitation stations in PRECIP.DAT file 0 203 Number ofstations
ICLOUD Gridded cloud fields (0 

### = no, 3 

### = Gridded cloud cover from prognostic relative 3 0 Use default 

# • 3-7 Oklahoma Gas & 

### Electric Co. Trinity Consultants Refined BART Modeling Report (Horseshoe Lake) 

### 063701.0003

# •

• !-=c1udedin CALMET Variable Description P Protocol humidity) IFORMS Format ofsurface 2 data (2 

### = formatted) IFORMP Format of 2 precipitation data (2 

### = formatted) IFORMC Format ofcloud data 2 (2 

### = formatted) IWFCOD Generate winds by I diagnostic wind module? (I 

### = yes) IFRADJ Adjust winds using 1 Froude number effects? (1 

### = yes) IKINE Adjust winds using 

# ° kinematic effects? (0 

### =no) 

# - IOBR Use O'Brien 

# ° procedure for vertical winds? (0 

### = no) ISLOPE Compute slope 1 flows? (1 

### = yes) IEXTRP Extrapolate surface -1 winds to upper layers (-1 

### = no extrapolation and ignore layer 1 of upper air station data) ICALM Extrapolate surface 

# ° winds even ifcalm? (0 

### = no) BIAS Layer dependent 0,0,0,0,0,0,0,0,0, biases weighting aloft 0 measurements RMIN2 Minimum vertical -1 extrapolation distance Distance (km) around an upper air site where vertical extrapolation is excluded (set to -1 if IEXTRP=±4) IPROG Using prognostic or 14 Value Trinity Will Use 2 2
1 1
1
1 

# °
1 -4 

# ° 0,0,0,0,0,0, 0,0,0,0 -1

14 Notes



### NI

A - No cloud data used in model

Computed kinematic effects in this analysis

Use default


# • 3-8 Oklahoma Gas 

### & Electric Co. Trinity Consultants Refined BART Modeling Report (Horseshoe Lake) 

### 063701.0003

# •

• CALMET Variable Description Value Included in CENRAP Protocol Value Trinity Will Use Notes MM-FDDA data? (14

Use winds from MM5.DAT as initial guess wind field) ISTEPPG Timestep (hours) of the MM5 data I I LVARY Use varying radius of influence to develop surface winds? T F Use default
RMAXI Maximum radius of influence over land in surface layer (km) 30 , 100 As included in IWAQM Phase 2 case study RMAX2 Maximum radius of influence over land aloft (km) 30 500 As included in IWAQM Phase 2 case study RMAX3 Maximum radius of influence over water (km) 50 36 Same as MM5 data spacing RMIN Minimum radius of influence used anywhere (km) 0.1 0.1
TERRAD Radius ofinfluence ofterrain features (km) 12 12
RI Weighting offirst guess surface field (km) I 50 As included in IWAQM Phase 2 case study R2 Weighting offirst guess aloft field (km)· 1 100 As included in IWAQMPhase2 case study RPROG MM5 windfield weighting parameter (km) 0 0
DIVLIM Maximum acceptable divergence 5.E-6 5.E-6 NITER Max number of passes in divergence minimization 50 50
NSMTH Number ofpasses through smoothing filter in each layer of CALMET(NZ values) 2, 4, 4, 4, 4, 4, 4 2, 4, 4, 4, 4, 4, 4,4,4,4 \ 

# • 3-9 Oklahoma Gas & Electric Co. Trinity Consultants Refined BART Modeling Report (Horseshoe Lake) 063701.0003

# •

• Value Included in CALMET Variable n CENRAP Protocol NITR2 Max number of 

### 5,5,5,5,5,5,5,5,5, stations used in each 

### 5 layer for the interpolation ofdata to a grid point (NZ v,alues) CRITFM Critical Froude 1.0 number ALPHA Kinematic effects OJ parameter FEXTR2 Scaling factor for NZ*O.O extrapolating surface winds aloft NBAR Number ofterrain 0 barriers IDIOTPI Compute temperature 0 from observations (0 

### = true) ISURFT Surface station to use 4 for surface temperature (between 1 and NSSTA) IDIOPT2 Domain-averaged 0 wind component switch IUPT Station for lapse rates 2 (between 1 and NUSTA) ZUPT Depth through which 200 lapse rate is calculated IDIOPT3 Domain averaged 0 wind component switch IUPWND Upper air station for -1 domain winds ZUPWND Bottom and top of 1., 1000, 'layer through which the domain scale winds are computed IDIOPT4 Observed surface 0 wind component switch Notes 

### 5, 5, 5, 5, 5, 5, 

### 5,5,5,5

1.0 0.1 NZ*O.O
0 0
4

0
2
200

0
-1 1., 1000.

0 

### :



# • 3-10 Oklahoma Gas 

### & Electric Co. Trinity Consultants Refined BART Modeling Report (Horseshoe Lake) 063701.0003

# •

• CALMET Variable Description Value Included in CENRAP Protocol Value Trinity Will Use Notes IDIOPT5 Observed aloft wind component switch 0 0 LLBREZE Use lake breeze module? F F NBOX Number oflake breeze regions 0 0 NLB Number ofstations in the region 0 0 METBXID(NLB) Station IDs in the region 0 0 CONSTB Neutral stability mixing height coefficient 1.41 1.41
CONSTE Convective stability mixing height coefficient 0.15 0.15
CONSTN Stable stability mixing height coefficient 2400 2400
Overwater mixing height coefficient 0.16 RIOL Absolute value of Coriolis parameter I.E-4 I.E-4 IAVEZI Conduct spatial averaging? (l 

### = yes) 1 1 MNMDAV Max search radius in averaging process (number ofgrid cells) 10 10
HAFANG " Half-angle ofupwind looking cone for averaging (degrees) 30 30
ILEVZI Layers ofwind use in upwind averaging (between 1 and NZ) I 1
DPTMIN Minimum potential temperature lapse rate in the stable layer above the current convective mixing height 0.001 0.001

DZZI Depth oflayer above current convective



## .. ight 200 , 200 

# • 3-11 Oklahoma Gas & 

### Electric Co. Trinity Consultants Refined BART Modeling Report (Horseshoe Lake) 063701.0003

# •

• Value Included in CALMET Variable Description CENRAP Protocol through which lapse rate is computed (m) ZIMIN Minimum overland 50 height (m) ZIMAX imum overland 3000 'ng height (m) ZIMINW moverwater 50 height (m) ZIMAXW Maximum overwater 3000 missing height (m) ITPROG 3D temperature from 2 observations or from MM5? lRAD Type ofinterpolation 1 (1 lIr) TRADKM Temperature 36 interpolation radius ofinfluence (km) NUMTS Max number of 5 stations for temperature interpolations IAVET Spatially average 1 temperature? (1 

### = I yes) TGDEFB Temperature gradient -.0098 below the mixing height over water (KIm) 

# . TGDEFA Temperature gradient -.0045 above the mixing height over water (KIm) JWATl Beginning land use 55 categories over water JWAT2 Ending land use 55 categories for water NFLAGP Precipitation 2 interpolation flag (2 

### =**l/~)** SIGMAP Radius ofinfluence 50 Value Trinity Will Use
50 3000

50 3000

1
1 36
5

1
-0.0098

-0.0045

55
55
2
50 Notes

Used surface observations and precipitation data



# • 3-12 Oklahoma Gas & Electric Co. Trinity Consultants Refined BART Modeling Report (Horseshoe Lake) 063701.0003

# • CALMET Variable Description Value Included in CENRAP Protocol Value Trinity Will Use Notes for precipitation interpolation (km) CUTP Minimum precipitation rate cut off(mmlhr) 

### 0.01 0.01


# •

• 3-13 Oklahoma Gas & 

### Electric Co. Trinity Consultants Refined BART Modeling Report (Horseshoe Lake) 063701.0003

## 4. CALPUFF 

# •
Trinity conducted a three-year CALPUFF analysis. The CALPUFF model requires the input of meteorological data output by CALMET, source emissions data, receptor data, ozone and ammonia data, and model parameter settings. 

## 4.1 BART-ELIGIBLE SOURCES As an electricity generating station, the Horseshoe Lake station is considered BART-eligible. In order to determine what specific units constitute the "BART-eligible" source, the construction dates ofthe each ofthe plant's units must be examined. A summary ofthose units that were "in existence" between the IS-year BART window (August 7, 1962-August 7, 1977) is provided below. TABLE 

### 4-1. CONSTRUCTION DATE SUMMARY 

### Unit No. Name Construction Date HL7 Babcock & 

### Wilcox 1963 HL8 Combustion Engineering 1968 

# • 4.2 SOURCE EMISSIONS DATA Trinity included emissions of S02, H2 S04, 

### NOx, 

### and PMlO in the model. For source-specific analyses, CENRAP has suggested several sources ofemission data in the following priority:!

... Continuous Emission Monitoring (CEM) data, for period 2001-03

... CEM data for 2002

... Actual 2002 emission rates in state emission inventories

... Emission factors from AP-42 source profiles

... Permit allowable emissions, or

... Potential to emit The modeled emissions are based on the highest hourly emission rate (based on a 24-hour calendar day average) that occurred from 2001 to 2003 and were obtained from collected CEM data. A detailed summary ofemission rates and source data is included in Appendix A. Table 4-2 provides a brief summary ofthese emission rates. 

# • I CENRAP BARTModeling Guidelines, p. 7-1. 

### 4-1 Oklahoma Gas & 

### Electric Co. Trinity Consultants Refined BART Modeling Report (Horseshoe Lake) 063701.0003

# • TABLE 

### 4-2. MAXIMUM EMISSION RATES 

### (24-HOUR AVERAGE) 

### Unit ID NOx 

### Ihslhr PM 10 

### lhslhr S02 

### lhslhr H2 SO4 

### lhslhr HL7 566.45 4.94 68.01 0.244

. HL8 1256.87 5.30 1.76 0.017 

### 4.2.1 PMIO EMISSIONS 

### PM IO 

### emissions are not directly entered into the model but are instead speciated out into its smaller constituents. The PM IO 

### emissions from the boilers are speciated according to the Federal Land Managers' guidance to include the following: 2
• Coarse particulate matter (PMc, considered PM2 .5-10) • Fine particulate matter (PMF, 

### considered PM<2.5) • Sulfates (S04) • Secondary organic aerosols (SOA) • Elemental carbon (EC) Based upon FLM guidance, PM IO 

### emissions from natural gas combustion consists ofprimarily coarse (25%) and fine (75%). A summary ofspeciated PM IO 

### emissions is presented in Table 4-3. Full details ofPM 10 

### speciation can be found in Appendix A.
TABLE 

### 4-3. SPECIATED PMIO EMISSIONS 

# •

Unit ID PM (coarse) lhslhr PM (fine) lhslhr S04 

### lbs/hr SOA 

### Ihs/hr EC Ihslhr HL7 1.236 3.707 

## -­ -­ -­ HL8 1.325 3.974 

## -­ -­ -­ 

# • 2 http://www2.nature.nps.gov/airiPermits/ectiectGasFiredCT.cfm 

### 4-2 Oklahoma Gas 

### & Electric Co. Trinity Consultants Refined BART Modeling Report (Horseshoe Lake) 063701.0003

# • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • 

# • 4.2.2 STACK PARAMETERS 

### Table 4-4 provides a summary ofsource exhaust parameters. TABLE 4-4. POINT SOURCE STACK PARAMETERS \ . 

### Emission UTM UTM Exit Stack Stack Exit unit East (X) North (Y) Velocity Height Diameter Temperature (meters) (meters) (ftls) 

### (feet) (feet) (Fahrenheit) HL7 665;078 3,930,971 42.08 189 16 296 HL8 665,051 3,931,063 31.82 186 22 268 The base elevation ofeach ofthe units is 328 meters (1,076 feet) above MSL based upon visual inspection ofUSGS topographic maps. 

## 4.3 RECEPTOR LOCATIONS The National Park Service (NPS) has electronic files for each Class I area available on their website containing the locations and elevations ofdiscrete Class I area receptors. The receptor files for Caney Creek Wilderness, Wichita Mountains Wildlife Refuge, Upper Buffalo Wilderness, and Hercules Glades Wilderness were downloaded from the NPS website, converted into the LCC NAD27 

# • projection, and incorporated into the CALPUFF model. Receptor locations for these Class I areas are shown in Figures 4-1 to 4-4. FIGURE 

### 4-1. CANEY CREEK WILDERNESS RECEPTOR LOCATIONS Caney Creek Wilde mess 80 R eC8 ptors USFS Boundary So'u res:

FS National Coverage lie: NR IS - ALP group Corva1li9,OR August 22,2003


## • • • •

• • • • • • • 

# • 4-3 Oklahoma Gas & 

### Electric Co. Trinity Consultants Refined BART Modeling Report (Horseshoe Lake) 063701.0003

### • • 

### • • • • • 

## • • • • • • 

## •



# • • • • • • 

# • • • • 

# • • 

# • • 

# • • 

# • • • • • • • 

# • • • • • • 

# • 

# • • 

# • • • • 

# • • • 

# • • • 

# • • 

# • • 

# • • 

# • • 

# • FIGURE 

### 4-2. WICHITA MOUNTAINS WILDERNESS RECEPTOR LOCA nONS WIchita Mountains Wildernsss ¥vithin Wichita hi! Quntsins NWR 59 Receptore FWS Wideroess Boundary Source:

Regian 2 GIS 500 Gold Ave,SW POBox 1306 Albuquerque, NIII 87103 FWS NWR Boundary Source:

http://www.l.,..govfdatafr2gismoundary .htrn I Septem bOT 18, 2003 

# • FIGURE 

### 4-3. UPPER BUFFALO WILDERNESS RECEPTOR LoCATIONS



# • Upper Buffalo Wilderness 72 Receptors 

# • • USFS Boundary Source: FS National Coverage file: NRI S - ALP group Corvallis, OR 

# • • August 22.2003


# • 4-4 

### Oklahoma Gas & 

### Electric Co. Trinity Consultants Refined BART Modeling Report (Horseshoe Lake) 063701.0003

# • • • 

# • • 

# • • • • 

# • • • 

# • • • • • • • • • • 

# • • 

# • • • • 

# • • 

# • • 

# • • 

# • • • • • • 

# • • 

# • • • • 

# • • • 

# • • • 

# • FIGURE 4-4. HERCULES GLADES WILDERNESS RECEPTOR LOCATIONS



# • 

# • • Herrules-Glades Widerness 

### eo Receptors USFS Boundary Source:

FS National Coverage fila: NRIS - PlP group Corvallis, OR Augusl 22,2003 

## 4.4 BACKGROUND OZONE Background ozone concentrations are required in order to model the photochemical conversion of S02 and NOx 

### to sulfates (S04) and nitrates (N03)' CALPUFF can use either a single background value representative ofan area or hourly ozone data from one or more ozone monitoring stations. CENRAP recommends either developing background ozone estimates from ambient monitors located within the particular domain being modeled or developing background ozone estimates from CENRAP's most recent CMAQ or CAMx simulation for the 2002 base year. Trinity used a very conservative value of40 ppb (as recommended in CENRAP protocol Appendix) in lieu ofthe CENRAP recommendation. 

## .4.5 BACKGROUND AMMONIA Background ammonia concentrations are required to model the formation ofammonium sulfates and ammonium nitrates. CENRAP recommends developing background ammonia estimates from CENRAP's most recent CMAQ or CAMx simulation for the 2002 base year. Since CMAQICAMx 

### modeled and observed monthly averaged ammonia concentrations exhibit wide spatial variability, 

# • CENRAP recommends obtaining separate monthly-averaged ammonia concentrations from CMAQ or CAMx for the CENRAP north, central and south modeling domains, respectively. These would then be used as input to CALPUFF. Since the data from CENRAP's CMAQ and CAMx simulations 4-5 Oklahoma Gas 

### & Electric Co. Trinity Consultants Refined BART Modeling Report (Horseshoe Lake) 063701.0003

# • is not readily available, Trinity used a conservative monthly background concentration of3 ppb. This background concentration is the value included in CENRAP's protocol as a default background value for the CENRAP region. 

## 4.6 CALPUFF MODEL CONTROL PARAMETERS Table 4-5 provides a listing ofthe CALPUFF parameters that Trinity used in OG&E's modeling analysis. In addition to the parameters used for OG&E's modeling, the table also lists CENRAP's recommended parameters for comparison. In cases where a parameter is different than what CENRAP recommended, a short explanation as to the difference is provided. TABLE 4-5. SUMMARY OF 

### CALPUFF INpUTS 

# • CALPUFF Variable e Included in APProtocol Value 

## .. Notes METRUN All model periods in met files will be run 0 0
IBYR Starting year Appropriate met year Years 200I, 2002, 2003 IBMO Starting month 

### 1 1 IBDY Starting day I 1 IBHR Starting hour 1 1 XBTZ Base time zone (6 

### = CST) 6 

### 6 IRLG Length ofrun 8760 8760 NSPEC Number of MESOPUFFII chemical species 10 10
NSE Number of chemical species to be emitted 8 5 S02, S04, NOx, PMC,PMF ITEST Program is executed after SETUP phase 2 2
MRESTART Do not read or write a restart file during run 0 0
NRESPD File written only at last period 0 0 METFM CALMET binary file (CALMET.MET) 1 1
AVET Averaging time in minutes 60 60 

# • 4-6 

### Oklahoma Gas & Electric Co. Trinity Consultants Refined BART Modeling Report (Horseshoe Lake) 063701.0003

# •

• CALPUFF Variable Description Value Included in CENRAP Protocol Value Trinity Used Notes PGTIME PG Averaging time in minutes 60 60 MGAUSS Gaussian distribution used in near field 1 1
MCTADJ Partial pi terrain ad' 

### 3 3 MCTSG Sub-grid-scale complex terrain not modeled 0 0
MSLUG Near-field puffs not modeled as elongated 0 0
MTRANS Transitional plume rise modeled 

### 1 1 MTIP Stack tip downwash used 1 1 MSHEAR (0, 1) Vertical wind shear (not modeled, modeled) 0 0

MSPLIT Puffs are not split 0 1 Allowed for puff splitting due to significant sourcereceptor distances MCHEM MESOPUFFII chemical parameterization scheme 

### 1 1
MAQCHEM Aqueous phase transformation not modeled 0 0
MWET Wet removal modeled 1 

# r. MDRY Dry deposition modeled 1 1 MDISP PG dispersion coefficients 

### 3 3 MTURBVW Use both 

### cry and 

### crw from PROFILE.DAT to compute 

### cry and 

### crz (nla) 

### 3 3 

# • 4-7 Oklahoma Gas 

### & Electric Co. Trinity Consultants Refined BART Modeling Report (Horseshoe Lake) 

### 063701.0003

# •

• CALPUFF Variable Description Value Included in CENRAP Protocol Value Trinity Used Notes MDISP2 PG dispersion coefficients 3 3 MROUGH PG cry and crz not adjusted for roughness 0 0
MPARTL No partial plume penetration of elevated inversion 1 1
MTINV Strength of temperature inversion computed from default gradients 0 0

MPDF PDF not used for dispersion under convective conditions 0 0

MSGTIBL Sub-grid TIBL module not used for shoreline 0 0
MBCON Boundary concentration conditions not modeled 0 0

MFOG Do not configure for FOo-lnodel output 0 0
MREG Technical options must conform to USEPALong Range Transport (LRT) guidance 1 1

CSPEC 

### CENRAP OG&EHorseshoe Lake Output Group Species Modeled Emitted Dry Deposition Output Group Species -r0deled Emitted Dry Deposition S02 1 

### 1 S02 

### I 1 1 S04 1 2 S04 1 

### 1 2 

### NOX 1 1 

### NOX 1 1 

### 1 HN03 

### 1 1 HN03 

### 1 0 

### 1 N03 

### 1 0 2 N03 

### 1 0 2 NH3 

### 1 1 1 NH3 

### 1 0 

### 1 PMC 

### 1 1 2 PMC 

### 1 1 2 

# • 4-8 Oklahoma Gas 

### & Electric Co. Trinity Consultants Refined BART Modeling Report (Horseshoe Lake) 063701.0003

# •

•

• Trinity Consultants 063701.0003 CALPUFF Value Included in

Variable Description CENRAP Protocol PMF 

# I 1 1 2 EC

# =it 1 2 SOA 1 2 PMAP Map projection UTM 

### NX Number ofX grid 66 cells in meteorological grid 

### NY Number ofY grid 66 cells. in meteorological grid NZ Number ofvertical 10 layers in meteorological grid DGRlDKM Grid spacing (km) 6 ZFACE Cell face heights 0,20,40, SO, 160, , in meteorological 320,640,1200,2000, grid (m) 3000,4000 XORlGKM Reference X 5 coordinate for SW corner ofgrid cell ofmeteorological grid (km) YORlGKM Reference Y 3327 coordinate for SW corner ofgrid cell ofmeteorological grid (km) IUTMZN UTMzoneof 12 coordinates (NADS3) (use only if PMAP=UTM) IBCOMP X index oflower 1 left corner ofthe computational grid JBCOMP Y index oflower 1 left corner ofthe computational grids IECOMP X index ofupper 66 

### Oklahoma Gas & 

### Electric Co. 

### 4-9 Refined BART Modeling Report (Horseshoe Lake) Value Trinity Used PMF 1 EC 1 SOA 1 LCC 256

155

10

3.0 0,20,40, SO, 160, 320,640, 1200, 2000,3000,4000 0

0

14

1
1

256 Notes

# ~ 2 2 2 Based on refined grid parameters as specified in CALMETruns Based on refined grid parameters as specified in CALMETruns

Refined grid size
Appropriate for domain (refined grid)
Appropriate for domain (refined grid)
N/A;LCC coordinates used

Appropriate for

# •

• CALPUFF Variable Description Value Included in CENRAP Protocol Value Trinit Notes right comer ofthe computational grid domain (refined grid) JECOMP Y index ofupper right comer ofthe computational grid 

### 66 155 Appropriate for domain (refined grid) LSAMP Sampling grid is not used F F IBSAMP X index oflower left comer of sampling grid 

### 1 I
JBSAMP Y index oflower left comerof sampling**~id** I I
IESAMP X index ofupper right comer of sampling grid 

### 66 256 Appropriate for domain (refined grid) JESAMP Y index ofupper right comer of sampling grid 

### 66 155 Appropriate for domain (refined grid) MESHDN Nesting factor of sampling grid I 1 ICON Output file CONC.DAT containing concentrations is created 1 1

lORY Output file DFLX.DAT containing dry fluxes is created 1 I

IWET Output file WFLX.DAT containing wet fluxes is created I I

IVIS Output file containing relative humidity data is created 1 1

LCOMPRS Perform data compression in output file T T
IMFLX Do not calculate mass fluzes across 

### 0 0 

# • 4-10 

### Oklahoma Gas 

### & Electric Co. Trinity Consultants Refined BART Modeling Report (Horseshoe Lake) 063701.0003

# •

• CALPUFF Value Included in Variable Description CENRAP Protocol specific boundaries IMBAL Mass balances for 0 each species not reported hourly ICPRT Print concentration I fields to output list file IDPRT Do not print dry 0 flux fields to output list file IWPRT Do not print wet 0 flux fields to output list file ICFRQ Concentration 1 fields are printed to output list file every hour IDFRQ Dry flux fields are 1 printed to output list file every 1 hour IWFRQ Wet flux fields are 1 printed to output list file every 1 hour IPTRU Units for line 

### " .) printer output are in glm) for concentration and glm2/s for deposition lMESG Messages tracking 2 the progress ofrun written to screen LDEBUG Logical value for F debug output IPFDEB First puffto track 1 NPFDEB Number ofpuffs 1 to track NNI Meteorological 1 period to start output 0
1
0
0
1

1

1

3

2 \ F 1 1 1 Value Trinity Used Notes



# • 4-11 Oklahoma Gas 

### & Electric Co. Trinity Consultants Refined BART Modeling Report (Horseshoe Lake) 063701.0003

# •

• CALPUFF Variable Description Value Included in CENRAP Protocol Value Trinity Used Notes NN2 Meteorological period to end output 10 10
NHILL Number ofterrain features 0 0 NCTREC Number ofspecial complex terrain receptors 0 0
MHILL Input terrain and receptor data for CTSG hiils input in CTDM format 2 2

XHILL2M Conversion factor for changing horizontal dimensions to meters 1 1

ZHILL2M Conversion factor for changing vertical dimensions ,to meters 1 1

XCTDMKM X origin ofCTDM system relative to CALPUFF coordinate system (km) 0 0

YCTDMKM Y origin ofCTDM system relative to CALPUFF coordinate system (km) 0 0

S02 Diffusivity 0.1509 0.1509 Alpha star 1000 1000 Reactivity 

### 8 

### 8 Mesophyll resistance 0 0 Henry's Law coefficient 0.04 0.04 NOx Diffusivity Alpha star 1 1 Reactivity 

### 8 8 Mesophyll 5 5 

# • 4-12 Oklahoma Gas & Electric Co. Trinity Consultants Refined BART Modeling Report (Horseshoe Lake) 063701.0003

# •

•**~** Variable Description Value Included in CENRAP Protocol Value Trinity Used Notes resistance Henry's Law coefficient 3.5 3.S HN03 Diffusivity 0.1628 0.1628 Alpha star 1 1 18 18

# ~ 0 r" 0 Henry's Law 8.e-8 8.e-8 S04-2 Geomatric mass mean diameter of S04-2 (11m) 0.48 0.48
N03­ Geometric mass mean diameter of N03- (11m) 0.48 0.48
PMC Geometric mass mean diameter of PMC(l1m) 6 6
PMF Geometric mass mean diameter of PMF (11m) 0.48 0.48
EC Geometric mass mean diameter of EC (f..lm) 0.48 0.48
SOA Geometric mass mean diameter of SOA(f..lm) . 0.48 0.48
RCUTR Reference cuticle 30 30 RGR

# ~ resistance (stcm) 10 REACTR Reference pollutant reactivity 8 8 NlNT Number ofparticle size intervals for effective particle deposition velocity 

### 9 9

IVEG Vegetation in non· irregated areas is active and unstressed 

### I 1

S02 Scavenging 3.21E-OS 3.21E·OS 

# • 4-13 Oklahoma Gas & 

### Electric Co. Trinity Consultants Refined BART Modeling Report (Horseshoe Lake) 063701.0003

# •

• CALPUFF Variable Description Value Included in CENRAP Protocol Value Trinity Used Notes coefficient for liquid precipitation (S·I) Scavenging coefficient for frozen precipitation (S'I) 0 0

S04-2 Scavenging coefficient for liquid precipitation (S·l) 1.0E-04 1.0E-04
Scavenging coefficient for frozen precipitation (S·I) 3.0E-05 3.0E-05

HN03 Scavenging coefficient for liquid precipitation (S·I) 6.0E-05 6.0E-05
Scavenging coefficient for frozen precipitation (S·I) 0 0

N03­ Scavenging coefficient for liquid precipitation (S"I) I.OE-04 1.0E-04
Scavenging coefficientfor frozen precipitation (S·l) 3.0E-05 3.0E-05

NH3 Scavenging coefficient for liquid precipitation (S"I) 8.0E-05 NA
Scavenging coefficient for frozen precipitation (S"I) 0 NA

PMC Scavenging coefficient for liquid precipitation (S"l) I.OE-4 1.0E-4 

# • 4-14 Oklahoma Gas & Electric Co. Trinity Consultants Refined BART Modeling Report (Horseshoe Lake) 063701.0003

# •

• CALPUFF Variable Description Value Included in CENRAP Protocol Value Trinity Used Notes Scavenging coefficient for frozen precipitation (5. 1 ) 3.0E-05 3.0E-05

PMF Scavenging coefficient for liquid precipitation (S·I) 1.0E-05 1.0E-05
Scavenging coefficient for frozen precipitation (S·I) 3.0E-05 3.0E-05

EC Scavenging coefficient for liquid precipitation (s"I) 1.0E-04 1.0E-04
Scavenging coefficient for frozen precipitation (S·I) 3.0E-05 3.0E-05

OC Scavenging coefficient for liquid precipitation (S·I) 1.0E-04 1.0E-04
Scavenging coefficient for frozen precipitation (S·l) 3.0E-05 3.0E-05

MOZ

, Read ozone background concentrations from ozone.dat file (measured values) 1 1

BCK03 Background ozone concentration (ppb) 12*40 12*40
BCKNH3 Background ammonia concentration (ppb) 12*3 12*3

RNITEI Nighttime S02 loss rate is %lhour 0.2 0.2 RNITE2 Nighttime NOX 2 2 

# • 4-15 Oklahoma Gas 

### & Electric Co. Trinity Consultants Refined BART Modeling Report (Horseshoe Lake) 

### 063701.0003

# •

• CALPUFF Variable Description Value Included in CENRAP Protocol Value Trinity Used Notes loss rate is %!hour RNITE3 Nighttime HN03 loss rate is %!hour 2 2 MH202 Background H202 concentrations 1 0 Need to choose 0 in order to use monthly background value BCKH202 Background monthly H202 concentrations 

### I 12*1
BCKPMF Fine particulate concentration for SOA option I (ug/m3) 1 1

OFRAC Organic fraction of fine particulate for SOAoption .2 0.15,0.15,0.2,0.2,0.2, 0.2,0.2,0.2,0.2,0.2, 0.2,0.15 Irrelevant, since MCHEM not equal to 4 VCNX VOCINOX ratio for SOA option 50 50 SYDEP Horizontal size of a puffin meters beyond which the time dependant dispersion equation ofHeffter is used 550 550

MHFTSZ Do not use Heffter formulas for sigma z 

# ° 0
JSUP Stability class used to determine dispersion rates for puffs above r 5 5

CONK! Vertical dispersion constant for stable conditions 0.01 

# om
CONK2 Vertical dispersion constant for neutraVstable conditions 0.1 0.1

TBD Use ISC transition point for determining the 0.5 0.5 

# • 4-16 Oklahoma Gas & 

### Electric Co. Trinity Consultants Refined BART Modeling Report (Horseshoe Lake) 063701.0003

# •

• CALPUFF Variable Description Value Included in CENRAP Protocol Value Trinity Used Notes transition point between the Schulman-Scire to Huber-Snyder Building Downwash scheme IURBI Lower range of land use categories for which urban dispersion is assumed 10 

### 10

IURB2 Upper range of land use categories Jorwhich urban dispersion is assumed 

### 19 19

ILANDUIN Land use category for modeling domain 

## * *
XLAIIN Leafarea index for modeling domain 

## * * ZOIN Roughness length in meters for modeling domain 

## * *
ELEVIN Elevation above sea level 

## * * XLATIN North latitude of station in degrees 

# - - XLONIN South latitude of station in degrees I ­ 

# - ANEMHT Anemometer hei 

# To 10. ISIGMAV Sigma-v is read for lateral turbulence data 

### 1 1
IMIXCTDM Predicted mixing heights are used 

### 0 0

- XJ\1XLEN Maximum length ofemitted slug in meteorological grid units 

### 1 1

XSAMLEN Maximum travel 

### 10 10 

# • 4-17



### .Oklahoma Gas & 

### Electric Co. Trinity Consultants Refined BART Modeling Report (Horseshoe Lake) 063701.0003

# •

• CALPUFF Val Variable Description CENI distance ofslug or puffin meteorological grid units during one sampling unit J\1XNEW Maximum number 60 ofpuffs or slugs released from one source during one time step MXSAM Maximum number 60 of sampling steps during one time step for a puffor slug NCOUNT Number of 2 iterations used when computing the transport wind for a sampling step that includes transitional plume rise SYMIN Minimum sigma y 1 in meters for a new puffor slug SZMIN Minimum sigma z 1 in meters for a new puffor slug SVMIN Minimum lateral 0.5 turbulence velocities (m/s) SWMIN Minimum vertical 0.20, 0.12, 0.08, 0.06, turbulence 0.03,0.016 velocities (m/s) WSCALM Minimum non- 0.5 calm wind speeds (m/s) XMAXZI Maximum mixing 3000 height(m) XMINL.l Minimum mixing 20 

## I height (m) SL2PF Maxmum cry/puff 10 Value Trinity Used

60

60

2

1
1
0.5 0.20, 0.12, 0.08, 0.06,0.03,0.016 0.5
3000 20 10 Notes



# • 4-18 Oklahoma Gas 

### & Electric Co. Trinity Consultants Refined BART Modeling Report (Horseshoe Lake) 063701.0003

# •

•**~** Value Included in CENRAP Protocol PLXO Wind speed 0.07,0.07,0.10,0.15, power-law 0.35,0.55 exponents WSCAT Upper bounds of 1.54,3.09,5.14,8.23, 151 

### 5 wind speed 10.80 classes PGGO Potential temp 0.020,0.035 gradients PG E & 

### F (deglkm) CDIV Divergence 0.01 criterion for 

### dw/dz 

# o

Is) PPC Plume path 0.5, 0.5, 0.5, 0.5, coefficients (only 0.35,0.35 ifMCTADJ "" 3) NSPLIT Number ofpuffs 3 when split IRESPLIT Hours when puff 1900 is eligible to split ZISPLIT Previous hours 100 minimum mixing height, m ROLDMAX Previous max 0.25 mixing height/current height ratio, must be less than this value to allow puff to split NSPLITH Number ofpuffs 5 resulting from a split SYSPLITH Minimum sigma-y 1.0 ofpuffbefore it may split SHSPLITH Minimum puff 2.0 elongation rate from wind shear before puffmay split

# ~1.0E-07 Value Trinity Used 0.07,0.07,0.10, 0.15,0.35,0.55 1.54,3.09, 5.14, 8.23, 10.80 0.020,0.035
0.01 0.5, 0.5, 0.5, 0.5, 0.35,0.35 3 Hour 17 100
0.25

5
1.0
2.0

1.0E-07 Notes

Should be by hour of day
- 1900 is hour 17

,.- 

# • 4-19 Oklahoma Gas 

### & Electric Co. Trinity Consultants Refined BART Modeling Report (Horseshoe Lake) 063701.0003

# •

• CALPUFF Variable Description Value Included in CENRAP Protocol Value Trinity Used Notes before a pluffmay split EPSSLUG Criterion for SLUG sampling 1.0E-04 1.0E-04 EPSAREA Criterion for area source integration 1.0E-06 1.0E-06 DSRISE Trajectory step length for numerical site 'LL 1.0 1.0

NPTl Number ofpoint sources with constant stack parameters or variable emission rate scale factors Varies by scenario 2 Appropriate for OG&E

IPTU Units for point source emission rates are gls 1 

### 3 Used different units 

### (3 Iblhr) NSPTl Number ofsourcespecies combinations with variable emissions scaling factors 

## - -

NPT2 Number ofpoint sources with variable emission parameters provided in external file 

# - -

MISC Other point source inputs include stack height, stack diameter, exit temperature, exit velocity, downwash flag and emissions by species 

# - -

NARI Number of polygon area sources Varies by scenario 0 None modeled
IARU Units for area 1 I 

# • 4-20 Oklahoma Gas & 

### Electric Co. Trinity Consultants Refined BART Modeling Report (Horseshoe Lake) 063701.0003

# •

• CALPUFF Variable Description Value Included in CENRAP Protocol Value Trinity Used Notes source emission rates are gim2 /s NSARI Number ofsource species combinations with variable emissions scaling factors '

# - -

NAR2 Number of buoyant polygon area sources with variable location and emission parameters 

# - -

NLN2 Number of buoyant line sources with variable location and emission parameters 

## - 0 None modeled

NLINES Number of buoyant line sources 

# - -
ILNU Units for line source emission rates in gls 

# - -
NSLNI Number ofsourcespecies combinations with variable emissions rs 

# - -

MXNSEG Maximum number ofsegments used to model each line 

# - - NLRlSE Number of distance at which transitional rise is computed 

# - -

XL Average line source length (m) 

# - - HBL Average height of line source height (m) 

# - -
WBL Average building 

# - - 

# • 4-21 Oklahoma Gas 

### & Electric Co. Trinity Consultants Refined BART Modeling Report (Horseshoe Lake) 063701.0003

# •

• CALPUFF Variable Description Value Included in CENRAP Protocol Value Trinity Used Notes width (m) WML Average line source width (m) . 

## - 

# - DXL Average separation between buildings (m) 

## - -

FPRIMEL Average buoyancy parameter (m4/s3) 

# - - NVL1 Number ofvolume sources 

# - 0 None modeled IVLU Units for volume source emission rates in grams/second 

## - 

# - -

NSVLl Number ofsourcespecies combinations with variable emissions scaling factors 

## - -

IGRDVL Gridded volume source data is not used 

# - -
VEFFHT Effective height of emissions (m) 

## - - VSIGYI Initial sigma-y value 

## - - VSIGZI Initial sigma-z value 

# - - NREC Number ofnongridded receptors 5630 291 Receptor data provided in Appendix 

# • 4-22 

### Oklahoma Gas & Electric Co. Trinity Consultants Refined BART Modeling Report (Horseshoe Lake) 063701.0003

# • 5. CALPOST Trinity conducted a three-year CALPOST analysis to determine the change in light extinction caused by OG&E's BART-eligible sources when compared to a natural background. The CALPOST model requires the input ofconcentration data output by CALPUFF. 

## 5.1 LIGHT EXTINCTION ALGORITHM Trinity utilized EPA's currently approved algorithm for reconstructing light extinction (as opposed to the new equation for reconstructing light extinction recommended by the IMPROVE Steering Committee). The light extinction equation is provided below. 

## = 3* f(RH) *[(NH4)2 S04] 

## + 3* f(RH) *[NH4N03] 

## + 4 

### *[OC] 

## + 1*[PMf ] 

### bext 

## + O.6*[PMc ] 

## + lO*[EC] 

## + bRay The algorithm was used to calculate the daily light extinction attributable to the Horseshoe Lake Station's BART -eligible sources and light extinction attributable to a natural background. The. change in deciviews based on the source and background light extinctions was evaluated using the 

# • equation below. 

### 1 0

# *In 

### bext, backgrOlUld 

## + bext, source 

# 1 Adv [ 

### bext, background 

## 5.2 CALPOST PROCESSING METHOD Trinity used CALPOST Method 

### 6, which calculates hourly light extinction impacts for the source and background using monthly average relative humidity adjustment factors, Trinity used monthly Class I area-specific relative humidity adjustment factors based on the centroid ofthe Class I area as included in Table A-3 ofEPA's 

### Guidance/or Estimating Natural Visibility Conditions Under the RegionalHaze Program. The factors for the relevant Class I 

### areas in the analysis are providedin Table 5-1.

Class I Area 

### Caney Creek Wichita Mountains

Upper Buffalo Hercules Glades Jan 

### 3.4 2.7 3.3 3.2 TABLE 5-1. MONTHLY HUMIDITY FACTORS Feb 

### Ma Sep ul Aug 

### Oct Nov Dec 

### 2.9 3.0 3.6 3.6 3.4 3.4 3.6 3.5 3.5 3.4 2.4 2.4 3.0 2.7 2.3 2.5 2.9 2.6 2.7 2.8 2.7 2.8 3.4 3.4 3.4 3.4 3.6 3.3 3.2 3.3 2.7 2.7 3.3 3.3 3.3 3.3 3.4 3.1 3.1 3.3 

# • 5-1 Oklahoma Gas & Electric Co. Trinity Consultants Refined BART Modeling Report (Horseshoe Lake) 063701.0003

# • 5.3 NATURAL BACKGROUND Trinity used default west natural background values for the Wichita Mountains and default east natural background values for Caney Creek, Upper Buffalo, and Hercules Glades. 3 

### The annual average concentrations are included in Table 2-1 ofEPA's 

### Guidance/or Estimating Natural Visibility Conditions Under the RegionalHaze Program and are provided in Table 5-2. TABLE 5-2. DEFAULT AVERAGE ANNUAL NATURAL BACKGROUND LEVELS
Component Average Annual Natural Background West (J.1g1m3) Average Annual Natural Background East (J.1g1m3) 

### Ammonium Sulfate 0.12 0.23 Ammonium Nitrate 0.10 0.10 Organic Carbon Mass 0.47 1.40

Elemental Carbon 0.02 0.02 Soil 0.50 0.50 Coarse Mass 3.0 3.0 

# • 5.4 EVALUATING BART-EXEMPTION Trinity compared the high ofthe 2001 through 2003 daily .i1dv values output by CALPOST to a contribution threshold of0.5 .i1dv. Ifthe 98th 

### percentile .i1dv values (the 7th 

### highest value, 22nd 

### highest over three years) output by CALPOST is less 0.5 .i1dv, then the source is exempt from BART requirements. Ifthe highest ofthe .i1dv values output by CALPOST is greater than 0.5 .i1dv, then the source is considered subject to BART regulations and must start on a BART-determination process. 

## 5.5 SUMMARY OF CALPOST CONTROL PARAMETERS Table 5-3 provides a listing ofthe CALPOST parameters that Trinity used in OG&E's modeling analysis. In addition to the parameters used for OG&E's modeling, the table also lists CENRAP's recommended parameters for comparison. In cases where a parameter to be used is different than what CENRAP recommended, a short explanation as to the difference is provided. TABLE 5-3. SUMMARY OF CALPOST INPUTS CALPOST

Variable Description Value Included in CENRAP Protocol Value Trinity Used Notes Years 2001, 2002, 2003 ISYR Starting year 2001 Appropriate met year ISMO Starting month 1 1 ISDY Starting day 1 , 

### 1 

# • 3 Based on comments received from EPA Region 7 to Trinity Consultants' Kansas City office, May 22, 2006. 

### 5-2 Oklahoma Gas & Electric Co. Trinity Consultants Refined BART Modeling Report (Horseshoe Lake) 063701.0003

# •

• CALPOST Variable Description Value Included in CENRAP Protocol Value Trinity Used Notes ISHR Starting hour 0 0 All CALPUFF periods will be included NPER Number ofperiods to process 8760 8760 NREP Process every hour of data? 1 = yes 1 1 ASPEC Process species for visibility VISIB VISm ILAYER Layer/deposition code; 1 for CALPUFF concentrations 1 1
A Scaling factor, slope 0 0 B Scaling factor, intercept 0 0 LBACK Add hourly background concentrations of fluxes? F F

LG Process gridded receptors? F F LD Process discrete receptors? T T LCT Process complex terrain receptors? F F LDRING Report receptor ring results? F


### , F NDRECP Select all discrete receptors -1 Varies As appropriate for Class I area being analyzed mGRID X index ofLL corner ofreceptor grid -1 -1 JBGRID Y index ofLL corner ofreceptor grid -1 -1 IEGRID X index ofUR corner of -1 -1 JEGRID Y index ofUR comer ofreceptor grid -1 -1 NGONOFF Number ofgridded receptor rows 0 0 NGXRECP Exclude specific gridded receptors, Yes =0 0 0 

# • 5-3 Oklahoma Gas 

### & Electric Co. Trinity Consultants Refined BART Modeling Report (Horseshoe Lake) 063701.0003

# •

• CALPOST Value Included in Variable Description CENRAP Protocol 

### RHMAX Maximum RH% used 95 in particle growth curve LVS04 Compute light T extinction for sulfate? LVN03 Compute light T extinction for nitrate? LVOC Compute light T extinction for organic carbon? LVMPC Compute light T extinction for coarse particles? LVMPF Compute light T extinction for fine particles? LVEC Compute light 

### T extinction for elemental carbon? LVBK Include background in T extinction calculation? SPECPMC Coarse particulate PMC species SPECPMF Fine particulate PM 10 species EEPMC Extinction efficiency 0.6 for coarse particulates EEPMF Extinction efficiency 1.0**~** ? EEPMCBCK Extinction efficiency 0.6 for coarse part. BackJ?;round EES04 Extinction efficiency 3.0 for ammonium sulfate EEN03 Extinction efficiency 3.0 for ammonium nitrate EEOC Extinction efficiency 4.0 for organic carbon EESOIL Extinction efficiency 1.0 EEEC for soil

# ~10.0 1.0 

# -, Value Trinity Used 95
T T T
T
T
T
T PMC PMF 0.6 1.0 0.6
3.0 3.0 4.0 Notes

Notation difference


# • 5-4 Oklahoma Gas & Electric Co. Trinity Consultants Refined BART Modeling Report (Horseshoe Lake) 063701.0003

# • Value Included in Variable CALPOST Value Trinity Used Description CENRAP Protocol Notes 6 background light extinction BEXTBTBK MVISBK Method 6 for 6
Not Used ary since for MVISBK=l Background extinction 12 =6 RHFRAC 

### % ofparticles affected Not Used ssary since byRH 10 MVISBK=6 RHFAC Extinction coefficients Depends on Class I for modeled and Area background hygroscopic species computed using EPA (2003) monthly RH adjustment factors 

# •
BKS04 Background sulfate 0.23 0.23 extinction coeff
- east I 0.10 BKN03 Background nitrate 0.10 extinction coeff
- east
BKPMC Background sulfate 3.00 3.00 extinction coeff
- east Background organic 1.40 carbon extinction coeff- east BKSOC 1.40

BKSSOIL Background soil 0.50 0.50 extinction coeff
- east For Caney Creek: 3.4,3.1,2.9,3.0, 3.6,3.6,3.4,3.4, 3.6,3.5,3.4,3.5 Wichita Mountains: 2.7,2.6,2.4,2.4, 3.0,2.7,2.3,2.5, 2.9,2.6,2.7,2.8 Upper Buffalo: 3.3,3.0,2.7,2.8, 3.4,3.4,3.4,3.4, 3.6,3.3,3.2,3.3 Hercules Glades: 3.2,2.9,2.7,2.7, 3.3, 3.3, 3.3, 3.3, 3.4, 3.1, 3.1, 3.3 As appropriate for Class I area

Used for Caney Creek, Upper Buffalo, 

### & Hercules Glades Used for Caney Creek, Upper Buffalo, 

### & Hercules Glades Used for Caney Creek, Upper Buffalo, 

### & Hercules Glades Used for Caney Creek, Upper Buffalo, 

### & Hercules Glades Used for Caney Creek, Upper Buffalo, 

### & Hercules 

# • Glades 

### 5-5 Oklahoma Gas 

### & Electric Co. Trinity Consultants Refined BART Modeling Report (Horseshoe Lake) 063701.0003

# •

• CALPOST Variable Description .Value Included in CENRAP Protocol Value Trinity Used Notes BKSEC Background elemental carbon extinction coeff- east 0.02 0.02 Used for Caney Creek, Upper Buffalo, & Hercules Glades BKS04 Background sulfate extinction coeff
- west 0.12 0.12 Used for Wichita Mountains BKN03 Background nitrate extinction coeff
- west 0.10 0.10 Used for Wichita Mountains BKPMC Background sulfate extinction coeff
- west 3.00 3.00 Used for Wichita Mountains BKSOC Background organic carbon extinction coeff-west 0.47 0.47 Used for Wichita Mountains BKSSOIL Background soil extinction coeff
- west 0.50 0.50 Used for Wichita Mountains BKSEC Background elemental carbon extinction coeff-west 0.02 0.02 Used for Wichita Mountains BEXTRAY Extinction due to Rayleigh scattering (liMm) 10.0 10.0
LDOC Print documentation image? F F IPTRU Print output units for concentrations and for deposition 3 1 Units preference
LlHR Report 1 hr averaging F F L3HR

# ~ times F L24HR Report 24 hr averaging times T T LRUNL Report run-length averaging times F F LT50 Top 50 table F F LTOPN Top N table F F NTOP Number ofTop-N values at each receptor 4 4 ITOP Ranks ofTop-N values at each receptor 1,2,3,4 1,2,3,4 LEXCD Threshold exceedances counts F F 

# • 5-6 Oklahoma Gas & 

### Electric Co. Trinity Consultants Refined BART Modeling Report (Horseshoe Lake) 063701.0003

# •

• CALPOST Variable Description Value Included in CENRAP Protocol V'**~** 

## .. TT Notes TIlRESHI Averaging time threshold for 1 hr averages -I -I
THRESH3 Averaging time threshold for 3 hr -I -1
TIlRESH24 Averaging time threshold for 24 hr averages -1 -1
THRESHN Averaging time threshold for NAVGhr averages -1 -1
NDAY Accumulation period, days 

### 0 0 NCOUNT Number of exceedances allowed I I LECHO Echo option F F LTIME Time series option F F LPLT Plot file oPtion F F LGRD Use grid format instead ofDATA format F F
LDEBUG Output information for debugging? F F


# • 5-7 Oklahoma Gas & Electric Co. Trinity Consultants Refined BART Modeling Report (Horseshoe Lake) 

### 063701.0003___ 

# •

•

• 6. MODEL RESULTS
A summary ofthe top 25 visibility-impairing days at each ofthe relevant Class I areas over the modeled 2001-03 period is summarized in Table 6-1 through 6-4 below. Shaded values indicate visibility impacts that exceed the 0.5 Adv threshold for contribution to visibility impairment. As seen in these tables, the 98th 

### percentile values indicate that the Horseshoe Lake Station's contribution to visibility impairment is below the 0.5 dv threshold at each ofthe neighboring Class I areas. These results indicate that the Horseshoe Lake Station therefore qualifies for exemption from BART. TABLE 

### 6-1. VISIBLITY IMPACT MODEL RESULTS FROM CANEY CREEK 

### 20Ot-03 

### Background Extinction by Species (%) 

### Year Day Visibility Impact (Adv) Rank Modeled 504 

### N03 

### OC EC 

### PMC PMF Peak 24-hr Average 0.429 0.88 98.96 0 

### o 0.02 0.14 2001 287 2 0.326 0.96 98.91 0 

### o 0.01 0.11 2001 4 3 0.254 3.59 96.23 0 

### o 0.01 0.18 2003 295 4 0.241 0.97 98.91 0 

### o 0.01 0.11 2002 12 5 0.217 1.66 98.25 0 

### o 

## o 0.09 2002 58

### ~----~6------~--~0~.2~0~2----+_~0~.8~9----~9~9~--~0----~00~~ .

### :~ 7 0.197

## ~'79 99.09 0 0.01 11 

# I 2002 359 

# I 1--

____....!.8

_______

### 1

__**....!f\~~___** 05 97.83 0 0 

## o 0.12 2002 9 0.194 0.33 99.64 0 0 0 0.03 2003 lO 0.138 I 

### 1.16 98.67 0 0 0.01 0.16 2002 47 __ II 0.133 1.89 98.03 0 0 0 0.08 2002 360 12 0.105 2.93 96.97 0 0 0.01 0.09 2001 22 2001 24 

### 13 0.104 2.24 97.64 0 

# ° 0.01 0.12 2002 354 14 0.101 0.97 98.92 

# ° ° ° 0.11 15 0.101 2.79 97.05 0 0 

# ° 0.16 2003**_~?_** 2002

__

### ..5Jl

__ 16 0.09 1.77 98.14 

# ° 0 

# ° 0.08 

### 17 0.09 1.17 98.71 _-=-0

____-=0

____--=-0

____**0:.:..;.1c .;.1** __+--=.;20;:,;;;Oc.:::3--1..11­ 18 0.089 7.39 92.42 0 0 0.01 0.18 2003 153**~-----1~9~----~--~0~.0~8~8----+_-=0~.6~5--~9;:,;;;9~.2=2---~0-----=0~--=0~.0~1** __**~0~.1~2~-=20~0~2----~~~** 1--

__=-2°'--

__-1

__--"0=.0.::..;88=--_+--=2:.::..59=--

__=97 1

..2".7, ..__-"°'--_._:::........



## __---"o 0.. :..:.; . -'- 

## o

__..:c 1:13:::'--1--=20=0=3__ __**.~~L ~--~2~1~--~-~0~.0~8~6---+_~1~.6~1--~9~8~.2~6----~0----=0~**  __**-=0-=.0~1** __**~0~.1~3~-=20~0~1** ___ 32 

### 98th Percentile 0.085 2.02 97.91 0 0 0.01 0.06 2001 347 23 0.085 1.1 98.78 0 0 0 0.12 2003 363**~--** __**~2~4~----~--~0~.0~8~5----~~2~.0~2--~9~7~.8~8** __**--~0----~0~---~f\o-----f\~·--I** 2003

__**~14_~** 25 0.082 0.86 99.13 

# ° 0 348



### 6-1 Oklahoma Gas 

### & Electric Co. Trinity Consultants Refined BART Modeling Report (Horseshoe Lake) 063701.0003

# • TABLE 

### 6-2. VISIBLITY IMPACT MODEL RESULTS FROM WICHITA MOUNTAINS 

### 2001-03



# • Rank 

### Modeled Background Extinction by Species (%) 

### Year Day



# • 6-2 Oklahoma Gas & 

### Electric Co. Trinity Consultants Refined BART Modeling Report (Horseshoe Lake) 063701.0003

# •
TABLE 6-3. VISIBLITY L'VIPACT MODEL RESULTS FROM UPPER BUFFALO 2001-03


# • Rank Modeled Background Extinction by Species (%) 

### Year Day Visibility Impact Peak 24-hr Average CAdy)

## ~**.-----~~~** 

## ----- .. 

### PMC " 

### PMF 0.09 2002 361 

### 2 

### "" 0.11 . 2002 12

_ ...

# __...

# _ ... 

### 3 0.216 

## --_..

### ,-_....

## _-'

..

## _-­ 1.49 98.41 0 0 0 0.1 2003 7 

### 4



### __Q:1?1.
___ 1.88 97.99 0 0 0.01 0.13 2001 

## .2.12._ 5 0.15 .1.13 98.7 0 0 0.D1 0.16 2002 47 

### 6 0.123 3.67 96.21 0 0 0.01 0.11 2001 60 7 0.119 0.93 98.98 0 0 0 0.08 2003 351



## - 8 0.109 2.33 97.53 0 0 0 0.13 2001 340 

### 9 0.104 8.95 90.58 0 0 0.01 0.46 2003 296 

### 10 0.1 -_. 2.12 97.8 0 0 0 0.07 2001 22 11 0.095

----­ 3.1 96.73 0 0 0.01 0.16 2003 82 

### 12 0.091 

## --------_..

## _--_. 1.6 98.28 0 0 . 0.01 0.11 2001 4 

### 13 0.09 -_._----_._-_._----_._-­ 0.64 99.2 0 0 0.01 015 2001 

### 2E.L 14 0.082 ._-_._---_..._._-----------_...._._-­ 5.17 94.72 0 0 0 0.11 2002 

### ?§.L 

### 15 0.082 "M_'_...__·_",_·_"'-_·_-".._--",,-_ ..._-'" 0.78 99.09 0 0 0.01 0.12 2003 18 

### 16 0.08
,__·

___ ,_..._ .•·._.

__ ...**,_~··.** __'_m_"'_... 2.03 97.86 0 0 0 0.11 2002 332 17 0.072
..

## __......_._.__. 

# __...

# __....

## __._-_. 1.1 98.72 0 0 ().01 0.17 2002 333 

### 18 0.067 

### ,-----,--,-"'-'''-,-­ 1.42 98.5 0 0 0.01 0.07 2002 321 

### 19 0.059 ._-----­**0.8~** 98.97 0 0 0.01 0.19 2001 3Q.._ 

### 20 0.058 ._--_._-"'--_._-­ 14.38 85.31 0 0 0.01 0.3 2003 256 __ 

### 21 0.057 4.47 95.41 0 0 0 0.11 2001 11 

### 98th Percentile 0.056 2.74 97.11 0 0 0.01 0.14 2001 314 

### 23 0.056



## - 2.05 97.84 0 0 0 0.11 2003 4 

### 24 0.055 1.64 98.22 0 0 0.01 0.13 2001 3 

### 25 0.054 6.44 93.16 0 0 0.01 0.39 2001 115 

# • 6-3 Oklahoma Gas & Electric Co. Trinity Consultants Refined BART Modeling Report (Horseshoe Lake) 

### 063701.0003

# •
TABLE 

### 6-4. VISIBLITY IMPACT MODEL RESULTS FROMHERCULES GLADES 

### 2001-03


# • Rank Modeled Background Extinction by Species (%) 

### Year Day Visibility Impact**f------~-------------__1 (~dv)**  

### 504 

### N03 

### OC EC PMC PMF Peak 24-hr Average . ______**J1.~~L** 

### ______+_---'-1.:..::.6-'-1_---=9:..::8.:.,:.3:............._ _=0

____ 0=---

____=0

__--'0:..:,:.0:..::9_t-=2:..::.00=.,:2'--- 361 1

___--=2'___

__---1

__________**Q~~~.L** ________+_-'1:.:.:.7-'-7-----'9::.:8::.:.1'--.- ° ° ° 0.13 2003 7 

### 3 -0.219 0.77 99.06 ° ° 0.01 0.17 2003 8 I-------'-----j.-.------.-.-----.--------.---.t--....::..:..:.-'----....::..::..:=------=­ 1-

_____'4

___---1._...______. __**,,_Q~~JL.** 

### ____.,,_.____+_-4:..:.:.3::.:8'----..::.95:::.,: .=_5

____"._".9_._.

____-"0

____'0"--_-"'0.:..:.1..:...1**_~_2::.:0::.:0c.:..1_** 60 1

___

### --'-5

___-j._._.__ ._,, ___..**9..,~9_~** __._____......__ t---=2.:..:.5""'4

__:=..;97'-'..3=--_.

____._9

__. ____-=°

___ °.=..:.::..°1'--_.=.:°.'-'.16=----1-_2=°:..::°.=.3_ 82 

### 6 0.162 1.99 97.86 ° ° ° 0.15 2003 351 1-----=------1 ..---""-"".-.-.-,,-.---.--.--.-,,---.----,,.-+-'-'=-............::..:....:..:::.::.........·-·--------=-----"--.........::..:..:...::.-f-==­ 1--

__

### --"7

___-j_,,_""_.,,

______**.Q~~_3** ______. __.,,__+_-=2.:..:.04:....:.........-.....:9-'-7.:.::,83=---._ ° ° ° 0.13 2001 340 1

___

### --=8

___---1

__,,_______**Q1Q~** 

### __________+_-'1.:..:.8:=2---=9..::.8.:.::,08=---. 0._._._-,,-0_---'0"".0""'1

__-"-0."""1_t---'2""'0-"-03=__ 13 1--

_____'_9

___-j.

__________**Q1Q~** 

### _______+_-1:..;,;.3:..::2'----9:..::8:..:.,:.5:...:6---0:

__-=-0_--=0:..:.,:.0:...,:1_---=0:..:..1,;",;1'___+_-=2:..::0.::.:02=--

__**-=3..=:32~_** 1-

__

### -=-1O=--

__---1.

______**Q,Q~_1...** _____-I1__..:::6.:..:::.3..::.6---=9..::.3:...:.4=-8_ ___'°0..

__.........::0_._-'°'---

__ 0:::.,:

...:.,:16=___+-'2:..:0:.::,02=--.-- 262 1--

__

### --=-II'---

__-j.

______**Q.07~** _____-I1--.....:.1:.-=.5.=.2_ __=9,,;:.8:..::..3_=_5_.__0=

___**-'0=--_~--=0----'0~.1:..::3-t-=2c.=.00=-1'---.~~L** 1-

__

### .........:..:12=--

__---1

_______**Jl..,Q~~** _______+_-=2:..:.:.9::.:6'------'9:..:6:.:..:.9:..::5'---0;'----........:..0

__-'0'___

__ 0""'.,;;,,;08'--+_2.....:0-"'0_1

___**2_~3c_** 

### 13 0.067 1.6 98.14 ° ° 0.01 0.25 2002 333 1-

__--=-14-'---

__---1 __. 9.06_L

______11--...:.1:,::.8...:..1_--=9..::.8:.::.0=_5

___0:=--

__**.........::0_---'0~.0"_'1'___0:::.,:**....:..:13=___+-:2::.:0..::.0..:...1

__...::3:..:.1,4..:.._ _____ 

### 15 0.064 0.6 99.26 ° ° 0.01 0.14 2001 361 

### 16 0.057 0.87 99 ° ° 

# ° 0.01 

# ° 0.13­ 2003 42 1--

___ 17

___-t­_______ Q,Q_56

______+---=2.:.,:.34:....:........._.....:9;,,;,,7,;,,::.5.=.6

____ 0=_ 0.1 2001 5 

### 18 0.055 0.65 99.2 ° ° 0.01 0.14 2003 18 1­

__.........:..:19::..........

__-1._.

_____**._.......Q,Q?_~** _______+_.....:1c:..:.8:..:.7----'9::.:8:.:..:.0:..::6­ °

___ °'--

__---'-°

__.....:°-'-.°""'7_1--2,;;";00;:",,,1_ 22 1

____2_0::..........

__-1 ..._.___. ___".Q.,Q?L_._.

_______**+_--'0:..:.,:.9:...,:1~---'9:..:: 8:..:.,:.9:=2_**  ° ° ° 0.17 2001 353 1-­

___

### 2_1

___-1.

___. ____"._.

__**9c.Q.~** __. __.

__.

__.

____ 

### +

__ 0:..:..9;:"",4

__9,;",;9c..;".0:...,:3

_____Q..

____ O__ ° 0.03 2002 26 

### 98th Percentile 0.05 0.35 99.65 ° ° ° ° 2001 348 

### 23 ......_ ..____**._.Q:.9i~_._** .._______ 1__-=--11'-".8::::2::..........--=8:..:.7.:..:::.5c.:..1

______._9_._._.

__. __ 0

_____ 0._0L_--'0""'.64:....:........._1-=20"-'0=2_ 111 1-­

___2_4

___-1 __. ______. __**.9...:.Q.i~_._._".** __. ___.

__.t--=2;",;..1_=_5_.........::.97;",;..:...,:73:.........

___ 

# ° ° ° 0.12 2001 3 

### 25 0.046 1.42 98.46 

# ° ° ° 0.12 2003 362 

# • 6-4 

### Oklahoma Gas & Electric Co. Trinity Consultants Refined BART Modeling Report (Horseshoe Lake) . 063701.0003

# • ApPENDIX A - EMISSION DATA



# •

• Oklahoma Gas & 

### Electric Company Trinity Consultants Refined BART Modeling Report 063701.0003

# • • • Printed 10/30/2006

Source Emissions Emission Data Location UnitID Constr. Datel PrimaryFuel NO. TotalPM,o S02 H 2SO4 Ibs/hr Ibs/hr Ibs/hr Ibs/hr Horseshoe Lake 7 1963 Natural Gas 566.45 4.94 68.01 2.44E-OI Horseshoe Lake 8 1968 Natural Gas 1,308.41 5.30 1.75 1.7IE-02 I Source emissions as provided by OG&E CEMS data extending from 11112002 to 12/3112005 2 Construction dates as listed in respective facility TV permits. Source parameters listed as provided by OG&I Source Emissions Model Input Data Location UnitID S02 S04 NOx PM (coarse)4 PM (fine)4 EC SOA (Ib/hr) Horseshoe Lake Horseshoe Lake 7 8 68.01 1.75 2.44E-OI 1.7IE-02 566.45 1.24 1,308.41 1.32 3.71 3.97 

# -­

-­ -­



# -­ 4 Condensible/filterable PM speciation were based on the following profiles: For Natural Gas, National Park Service guidance for NG-fired combustion turbines. http://www2.nature.nps.gov/airlPermits/ectiectGasFiredCTcfm PM IO-2.5 (filterable) 25% PM (coarse) PM2.5 (condensible) 75% PM (fine)
Stackparameters (English) J Location Unit ID Heat Duty Exit Velocity Stack Height Stack Diameter Stack Temp. Base Elev.s (MMBtulhr) fUsee feet feet Fahrenheit (feet) Horseshoe Lake .7 511 42.08 189 16 296 1,076 , Horseshoe Lake 8 3,960 31.82 186 22 268 1,076 Stackparameters (Metric) Location Unit ID Heat Duty Exit Velocity StackHeight StackDiameter StackTemp Base Elev. (MMBtu/hr) (m/s) (m) (m) Kelvin (meters) Horseshoe Lake 7 511 12.83 57.62 4.73 420 328 Horseshoe Lake 8 3,960 9.70 56.71 6.71 404 328 S Base elevations obtained from visual inspection ofUSGS topographic map:

OGE BART Modeling Page 1 of 1 Trinity Consultants Seminole, Horseshoe Lake, Sooner, Muskogee Model Input 063701.0003

# •

•

• ApPENDIX 

## B - DATA FILE LIST

LIST OF SURFACE STATIONS
Station No. Longitude Station 10 Location (official 10) Latitude (deg.) (deg.) 724502 37)66**~~Q** _____**~W~in~fie~I~&~A~rk~.~C~iN~.~K~S,** _______**~~~** _____**~** -97.033 723565**~YO~** _____**~B~art~l~es~v~ill~e.~O~K~** ______________**~~~** ________l§.].!jl____ -96.017**~~C~D~S,** _______**C~h~il~d~re~ss~.~TX=** _______________**~~~** ______ 723604 _]_4.433 -100.283 

### i!<.SEY

__. ___ 724519 37.100 Coffeyville Municioal. ."'K"-S.

__________**~"'-"-'-'<-** ____. ___**-"'.'_'_'-'~_"!.._** -95.567 KCNJL ChanutelMartin John. KS 13986 37.66} -95.483**~<;:SM** Clinton-Sherman. OK 723526 . ____2?_,}3L__ -99.200 mI..Q..

______ .-'=D""e"'nt""on"' ..**~T."-'X'__** __________. _______'_==""'__ 722589

__. __**21"~00** -97.183**~J,,'p__** El Dorado/Goodwin. AR 93992 33.217 -92.817 Vance AFBlEnid.**O""K~** ____. 723535 ______ 3_§..333 -97.917**~wi_** __._______-,-",==,-,,--**.~** 

## 09 ShermanlDennison. TX 722673 

### . ______]1]I

### L_ -96.667**~fD.!L_____** Frederick. OK 22222



### __.

____.2_4111 -98.983 

### IKt1.L

__. _____ Fliooin. AR 55555 36.300 -92.467**~~M** 

### ____. __.

____£Q.rt Smith. AR 13964 . ___.1:UJ3 -94.367**~f.x.Y.** 

### ________**E!l.xetteville/Q@k.~A** ___._.___________--,,-==--

__

### ______lM9Q___. -94.167 93993 

### __ i!<.i!..A(L

________**Q.l!~~** ______________________**~"""_=__** __

### . -99.767 13975



### ____.2-flllLL_ 93986 -99.050 K..l!J;lJL

______**.~Hc"ob""a"-'rt"-.~**O"'"K"'-.

____. ___________. __**~""'_** __

### . _____]_?.cQlLO ___ K!iQI__.**._JiQ!.~prin~AR.** ____________ 723415



### __. -93.083 ____ . __________'_"'''_!..!'''__

### . _____.;tH§L._____

__...__...._._...Jiarrisonf!!.QQJ:l_e**Co~.** AIL

___________-'-"'<...!....!

__**.!9.:t~Q** 

### __. . 13971 

### .._.__.._.__**1<:i-'-~JL_.** 

### __. ___. -93.117 K!AJ;l_._. ___ ._.__**Jy1.sQ?J:l.n~L~..ffl-,_KL** ___________. ______ . ____-="'"'-

__ 3923 

### _._____ll,§!1..

__....____ -97.267 

### K!C:;;L_.

__..__._.__**._}Yj£hi!~KL_.** 

### _________. ______. ________-="",- 3928

__

### ___. __._ ..XL§2.9.

__._.__._ -97.433**KJ"'~** ..___...__._.__**._.:!.Q.PJ.i!LRegi.!:m.~LM.Q** ________. ____. ___.

_____--'-="-"- 723495

__

### ....___..._ ....11,12.9.._.______ -94.500 K1A_w.:.

__. _____. __ Lav.19l!".9K..

______._..____. ________. ____.----"-''''-''-''--- 99999 

### ...._ ..___...**l~t?§l_.** 

### ____ -98.417 

### K"'J:!.k

____..__. __. ____. . IIIII 

### ILQJ3..

___. -100.950



### ____**L!Q.t;Ll;Il~_.S_.** 

### __. ___. __..___________ --''-'--'-'-'-

__ _.____ ____. 

### K1L"L_...__.._______1ittLe**RQf.kl..As!l!!!!L~K** __________________--'-="'-"'''--_ 13963



### _ .._.___1_4)d.3.._______ -92.233 

### K"'.R.E._..._.___. ____**1j!!LI;..BoQPJs._~.f.!i'-!t__~**_____. ______. ____ . __----"'=""'-

___

### . _______:HJ.1L.

__. ___._ 723405 -92.150 KMKQ_..._ ....___..**_~...!lJko!!eelD~vis** Field. OK 11112 -95.367 

### ..**--.-]-?""§~Q._-----.** KMl--i;

__....___-.¥cAlest\e!..B..£.g.!Qm!.LOK

_____. ____ . _____**~"'-"-** 93950

__. 

### ______1.4J...9Q

____._ -95.783 

### KM...RT

__.

____Jylsna In\.tmational M!!.t:L_AI.L

___._._.____--'-"'==-- 723435

__. __

### ___**14"~Q** -94.217 13967 -97.600 IK.QKc:;;

_______**.9kl~Q.f!l~_c:;;iN** .

### ..9K

___. ____. __. _______'_"_''''_'__

___. _____22,.49_Q
_____**~...9W** Norman-Westheimer. OK 723570 35.233 -97.450**~!,28** 724520

_____**~'_""""""____I** Medicine Lod!!e. KS

____________-'-"'="'--

______**.~** '-"= lI9.>NC _ Ponca CiN. OK 13969



### __1.§]33__ -97.100 

### l!Sr.EL___ ParsonslTri CiN. KS 745431 37.333 -95.517**~PIDC** 

### __. Paris/Cox Field. TX 33333 3:L63L_ -95.450 3}.283 -98.550

KROG Ro!!ers. AR 66666 36.367 -94.100**~SGF** Sorin!!field. MO 13995 37.233 -93.383 

### Oklahoma Gas & 

### Electric Company Trinity Consultants Refined BART Modeling Report 063701.0003

# •

• -------,---------------------- -_._------------, 77777 [g;LG_____ Siloam SorimL**~:!.:R'-** ______. __. _____'__'__'_'..!..._

__

### ___._l.liJ..!!l ___ -94.483**~~f.L** 

### ____Wic,llita**E.a1lsJ~X** _____..___. 13966

__)3.983__ _____'_=_'=

___._ -98.517**~~.w..Q** 

### ...__..__..____**~i.U~!!ter-** 

### 0IL

____________________'-'-'-'-"-

________._lQ,..!iL

____ 11113 -97.083 724457 ._..**)_V~Q** ___. ___ -92.150

### ~TI!.N...- 

### ...**-.--.----E9.n...1-tQ!)-~m:!..~..QQ.Q~.M-Q---.---.-----.--.=..!-"'-'-_** ..___**~mL** 723540 -97.383



## ___._.__**._.Ii!l.~LAFIL.QK** __________________'_="'_".::!."_

__

### ._._.____..**J.~AIL_.** 

### _____ 722541 -96.583**~IJS.L** 

### __. ______**..M£.~i[!!1J!.v. T~**  __. ____ . _______. ___===_'_'---_

### . __._..__**l~J'!!)** 

### ___**~I!l1.--.-.--.--I.!llsa** In!. Airoort OK 13968

_____..)6.2Q..Q.____ -95.883 !K..TXK Texarkana Rel!ionaL TX 13977 33 c 450 -94.000 KYBT Bentonville. AR 88888 36.350 -94.217 K'NQ..G...._._ EnidIWoodrinl!_ OK 44444



### _____J_IiJ§L.___ -97.783 KADM Ardmore MunicioaL OK 723555 34.300 -97.017

LIST OF PRECIPITATION STATIONS Cooperative Latitude Longitude station ID Location/name State (deg.) (deg.) 30130 ALUM FORK AR 34.480 -92.510 30178 ANTOINE AR 34.020 -93.250 30220 ARKADELPHIA 2 N AR 34.090 -93.030 30458 BATESVILLE LIVESTOCK AR 35.500 -91.460 30530 BEEBE AR 35.040 -91.540 30616 BERRYVILLE 5 NW AR 36.260 -93.370 30764 BLAKELY MOUNTAIN DAM AR 34.340 -93.120 30798 BLUE MOUNTAIN DAM AR 35.070 -93.390 30832 BOONEVILLE 3 SSE AR 35.060 -93.550 30842 BOTKINBURG 3 NE AR 35.430 -92.280 30900 BRIGGSVILLE AR 34.560 -93.300 31020 BULL SHOALS DAM AR 36.220 -92.340 31140 CALIONL&D AR 33.180 -92.290 31152 CAMDEN I AR 33.360 -92.490 31457 CLARKSVILLE 6 NE AR 35.320 -93.240**~1582** COMPTON AR 36.050 -93.180**~1952** DE QUEEN DAM AR 34.060 -94.220**~2020** DIERKS DAM AR 34.090 -94.050**~2148** DUMAS AR 33.530 -91.290**~2300** EL DORADO GOODWIN FD AR 33.130 -92.490**~2356** EUREKA SPRINGS 3 WNW AR 36.250 -93.470**~2444** FAYETTEVILLE EXP STN AR 36.060 -94.100**~2489** FERNDALE6E AR 34.460 -92.270**~2544** FOREMAN AR 33.430 -94.230**~2574** FORT SMITH MU, OK AR 35.200 -94.220 

# • Oklahoma Gas & Electric Company Trinity Consultants Refined BART Modeling Report 063701.0003

# • 2794 GILBERT AR 35.590 -92.430 32810 GillHAM AR 34.120 -94.150 2978 GREERS FERRY DAM AR 35.310 -92.000 3132 HARDY AR 36.170 -9\.280 33165 HARRI<:ON FAA AP AR 36.160 -93.090 33544 HUNTSVILLE 1 SSW AR 36.040 -93.450 34185 LEWISVILLE AR 33.220 -93.340 34248 NORTH LITTLE ROCKIMUNICIPAL AR 34.500 -92.160 

# • 4756 MENA AR 34.340 -94.160 134839 MILLWOOD DAM AR 33.410 -93.590 134988 MOUNT IDA 3 SE AR 34.320 -93.350 135110 NARROWS DAM AR 34.090 -93.430**~5112** NASHVILLE AR 33.560 -93.510**~5200** NIMROD DAM AR 34.570 -93.100 135228 NORFORK DAM AR 36.150 -92.150 135320 NORTH LITTLE ROCKIMUNICIPAL AR 34.500 -92.160 135602 PARTHENON AR 35.570 -93.150 135754 PINEBLUFF AR 34.140 -92.010 135908 PRESCOTT AR 33.480 -93.230 136393 STPAUL AR 35.490 -93.460 136920 STUTTGART 9 ESE AR 34.280 -91.250**~7488** WALDRON AR 34.540 -94.060 141427 CHANUTE M JOHNSON AP KS 37.400 -95.290 141699 COLBY 1 SW KS 39.240 -10 1.D40 142164 DODGE CITY MU, KS KS 37.460 -99.580 142432 FI.KHART KS 37.000 -101.530 142980 GARDEN CITY EXP STN KS 38.000 -100.490 143954 INDEPENDENCE KS 37.140 -95.420 143984 lOLA 1 W KS 37.550 -95.260 145175 MEDICINE LODGE . KS 37.170 -98.330 147922 SUBLETTE KS 37.290 -100.500 148830 WICHITAKS. KS 37.390 -97.260 230789 BOLIVAR MO 37.370 -93.230 232302 DORA MO 36.470 -92.140 234315 JOPLIN MUNICIPAL AP MO 37.090 -94.300 234544 KIRKSVILLE MO 40.120 -92.340 34825 LEBANON2W MO 37.410 -92.420 234919 I Irl(lNr, 4 N MO 37.330 35027 LOCKWOOD MO 37.230

# ~ 

# • 35307 MARSHFIELD MO 37.200 -92.550 35594 MILLER 1 E MO 37.130 -93.500**~36460** OZARK BEACH MO 36.400 -93080 

### Oklahoma Gas 

### & Electric Company Trinity Consultants Refined BART Modeling Report 063701.0003

# •

•**~37435** ST JOSEPH ROSECRANS MO 39.470 -94.550**~37506** SALEM MO 37.380 -91.320 37656 SENECA MO 36.510 -94.360 237967 SPRING CITY MO 36.590 -94.320 37976 SPRINGFIELDIMUN MO. MO 37.140 -93.230 238082 STOCKTON DAM MO 37.420 -93.460 238252 TABLE ROCK DAM MO 36.360 -93.180 138880 WEST PLAINS MO**~£** ,," CI " 40179 340292 340548 ALTUS IRIG RES STN ARDMORE BARTLESVILLE PHILLIP OK OK OK 34.350 34.100 36.450 -96.000 340670 BENGAL OK 34.510 -95.050 340908 BOISE CITY 2 E OK 36.440 -102.290 41437 CANEY OK 34.140 -96.130 41750 CHICKASHA EXP STN OK 35.030 -97.550 542654 DUNCAN AIRPORT OK 34.290 -97.580**~42849** ELKC[TY OK 35.230 -99.240**~43407** GAGE AIRPORT OK 36.180 -99.460**~43497** GEARY OK 35.380 -98.190**~43740** GREAT SALT PLAINS OK 36.450 -98.080**~44204** HOBART MUNICIPAL AP OK 34.350 ·99020**~44978** LAKE OVERBOI .SFR OK 35.290 -97.400 345108 LEHIGH OK 34.280 -96.130 45589 MARSHATJ OK 36.090 -97.370 45664 MCALESTER MUNI AP OK 34.530 -95.470**~46130** MUSKOGEE OK 35.460 -95.200**~46485** NOWATA OK 36.420 -95.380**~46616** OILTON 2 SE OK 36.040 -96.340**~46638** OKEMAH OK 35.260 -96.180**~46661 ~46944**  OKI.AHOMA CITY, OK PAWNEE5N OK OK 35.230 36.240 -97.360 -96.490 $47201 PONCA CITY MUNI AP OK 36.440 -97.060**~47412** RANGE OK 36.330 -101.050 347660 RIVERSIDE 4 W OK 36.470 -100.250 348101 SHATTUCK I N OK 36.170 -99.530 348501 STILLWATER 2 W OK 36.070 -97.060 348992 TULSAIINTL OK. OK 36.120 -95.530 349404 WAYNOKA OK 36.320 -98.530 349629 WICHIT1\ MTN Wi REF OK 34.440 -98.430 410016 ABILENE MUN TX TX 32.250 -99.410 410211 AMARILLOIINTL. TX TX 35.130 -101.420 411698 CHILDRESS MUNJ AP TX 34.260 -100.170 

# • Oklahoma Gas 

### & Electric Company Trinity Consultants Refined BART 

### Modeling Report 063701.0003

/---------- - 

# • 411773 CLARKSVILLE I W TX 33.370 -95.010**~11921** COMMERCE TX 33.120 -95.560**~n956** CONROE TX 30.200 -95.290**~12242** DALLAS-FORT WORTHIFORT TX. TX 32.540 -97.010**~12244** DALLAS LOVE FIELD TX 32.510 -96.510**~12404** DENTON2SE TX 33.120 -97.060**~13284** FORT WORTH MEACHAM F TX 32.490 -97.210**~13285** FORT WORTH WSFO TX 32.500 -97.180**~13370** FRISCO TX 33.090 -96.490**~13691** GRAPEVINE DAM TX 32.570 -97.030**~14098** HEREFORD TX 34.490 -102.240 414375 HUNT lOW TX 30.030 -99.310 414517 JACKSBORO TX 33.140 -98.090 415193 LEXINGTON TX 30.250 -97.010 415411 LUBBOCK/LUBBOCK INTL TX. TX 33.390 -101.490

15897 MIDLOTHIAN 2 TX 32.290 -97.000 15958 MINERAL WELLS MUN AP TX 32.470 -98.040 TX . 

# • 416108 MOUNT PLEASANT 33.100 -95.000 16177 NACOGDOCHES TX 31.370 -94.390 416776 PAMPA 2 TX 35.340 -100.580 417074 PLAINS TX 33.110 -102.500

18623 STEPHENVILLE I N TX 32.150 -98.120 18743 SULPHUR SPRINGS TX 33.090 -95.380 18942 TEXARKANA TX 33.250 -94.050 19532 WEATHERFORD TX 32.450 -97.460 19729 WICHITA FALLS/SHEPS AFB TX TX 33.590 -98.300


# • Oklahoma Gas & Electric Company Trinity Consultants Refined BART Modeling Report 063701.0003

# • • List of USGS Terrain Files (1·deg format) 

# •

37 36 35 34 33 Dodge City-E Pratl-W Pratt-E Wichita-W Wichita-E**Joplin~W** Joplin-E Springfield-W Springtield-E < RolI.-w Perryton-E Woodward-W Woodward-E Enid-W Emd-E Tuls.-W Tulsa-E Harrison-W Hamson·E Poplar Bluff-W PlainviewwE Clinton-W Clinton·E Oklahoma City-W Oklahoma City-E FortSmith-W ForlSmith-E Russellville-W Russellville-E Memphis-W Arnarillo-E Lawton-W Lawton-E**A~dmore-W** Ardmore-E Me Alestei-W Me Alest.r-E Little Rock-W Little Rock-E**Helena~W** Lubbock-E Wichita fall,-W Wichita Falls-E Sherman-W**Shennan~E** Texarkana-W Texarkana-E EIDorado-W E! Dorad<>-E Greenwood-W 101 100 99 98 97 96 95 94 93 92

## ,. ,r**.~,>/~;~:,**.. 

# .>
List of USGS Land Use 

## Land Cover (LULC) Files (1 :250,000 km Format) ;:::,t 

# •

38.S 37.S 36.5 35.5 34.5 Dodge City Perryton
Plainview
Amarillo
Lubbock Pratt
Woodward

Clinton
Lawton
Wichita Falls Wichita
Enid
Oklahoma City
Ardmore
Sherman Joplin
Tulsa
Fort Smith Mc Alester, Antlers,

DeQueen, Mena

Texarkana Springfield
Harrison Russellville, Conway,

Flygap Mountain, Mountain View

Little Rock
EI Dorado Rolla Poplar Bluff

Memphis

.Helena
Greenwood 102 100 98 

### 96 94 92

### ApPENDIX 

## C.,- MODELING INPUT/OUTPUT FILES

Oklahoma Gas 

### & Electric Company Trinity Consultants Refined BART Modeling Report 

### 063701.0003**~** ..'**;~**

.

# ,;.",.:1..,;.;~' .•

# ~c.:.:'lWt'i**.M"h4ei:"~~£,~itf4**