Offices nationwide 8 trinityconsultants.com

East Sheridan, Suite 205, Oklahoma City, OK 73104 U.S.A. " (405) 228·3292 a Fa.x (405) 228-3293


### December 1, 2006
Mr. Eddie Terrill Director, Air Quality Division Oklahoma Department ofEnvironmental Quality P,O. Box 1677 Oklahoma City, OK 73101-1677 

# -....

# _-_._-­ RECEIVED

[ DEC 0-1 2006 ] 

# AIR**Q6JAb~TY** Re: Visibility Modeling andBART WaiverRequest Public Service Company of Oklahoma Riverside PowerStation
Dear Mr. Terrill: On behalfofthe Public Service Company ofOklahoma (PSO), a unit ofAmerican Electric Power, Trinity Consultants is pleased to submit this BART Wavier Request for the Riverside Power Station. The Riverside Station has been identified as potentially subject to BART under the Regional Haze Program. Consequently, PSO contracted with Trinity Consultants to determine the visibility impact ofthe facility on the nearby Class I Areas. The report ofthe modeling study is enclosed. The CALPUFF refined modeling conducted by Trinity confmns that the visibility impact is less than the 0.5 deciview threshold at Class I receptors located within 300 kilometers from the Station. In accordance with OAC 252: 100-8-73, PSO is requesting a waiver from DEQ that a BART determination for the Riverside Power Station is not required. Ifyou have any questions or need additional information, please call Mr. N. N. 

### Dharrnajaran at (214) 777-l373 or me at (405) 228-3292. Sincerely,

Principal Consultant Encl: Visibility Modeling Report Copy: N. N. Dharmajaran, American Electric Power

# •

• • • •• CALPUFF BART MODELINGREpORT • REFINED ANALYSIS PUBLIC SERVICE COMPANY OF OKLAHOMA RIVERSIDE POWER STATION 

# • • • • • • 

# • • 

# • • •



# • • 

# • • 

# • • 

# • • • 

# • • 

# • • • 

# • 

# m PU.Lle

# 5.RVle. 

# • • • 

# • • • • COMPANY0' 

# • • 

# • OICI.AHOMA" Aunitof American Electric Power 

# • • • TULSA,OK Prepared by: N. N. Dharrnajaran· AEPlPublic Service Company ofOklahoma Vern Choquette • Principal Consultant Don Whitney, PE· Managing Consultant Eugene Chen, PE • Senior Consultant Jeremy Townley • Consultant


### TR1NITY CONSULTANTS 

### 120 East Sheridan Suite 205 Oklahoma City, OK 73104 (405) 228-3292
November 28, 2006 Project 063701.0005 

# RECEIVED**DECO~l** 

# 1006 

# AIR 

# QUALITY 

# liimtyA CQnsultahts

# •

• • • 

# • • 

# • • 

# • • • 

# • • • • • TABLE OF CONTENTS 

# '. • 

# • • • 

# • • • 1. EXECUTIVE 

### SUMMARY•.•••••..•••••.....••••••.•••••••••••••••••••••••••••••••••••.••.•••••••.•..••...••..•.. 

### 1-1 

### 1.1 BACKGROUND
....................., ...............................•.........•..............••....................... 

### 1-1 1.2 OBJECTIVE
............................................................................................................ 1-1 1.3 LOCATION 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 LANDUSEDATA
................................................................................................ 

### 3-3 

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

### 3-4 3.2.1 MESOSCALE MODEL DATA
................................................................................ 

### 3-4 3.2.2 SURFACE DATA
.................................................................................................. 

### 3-5 

# .' • •
3.2.3 UPPER AIR DATA
................................................................................................ 

### 3-5 3.2.4 PRECIPITATION DATA
......................................................................................... 

### 3-6 

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

### 3-6 4. CALPUFF...........................................................................................................4-1 

### 4.1 BART-ELIGIBLE SOURCES
................................................................................... 

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

### 4-1 4.2.1 PM 10 EMISSIONS
................................................................................................. 

### 4-2 4.2.2 STACK PARAMETERS
.......................................................................................... 

### 4-2 

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

### 4-3 4.4 B'ACKGROUND OZONE
.......................................................................................... 

### 4-5 4.5 BACKGROUND AMMONIA
.................... :................................................................ 

### 4-6 4.6 CALPUFF MODEL CONTROL PARAMETERS
........................................................ 

### 4-6 

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

### 5.1 LIGHT EXTINCTION ALGORI1lIM
........................................................................... 

### 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 RESULTS.•••..••.••...........••..••.••..•.•......•......•........•...••.••..•....•...•..•..•..•...•..... 

### 6-1 

# • • 

# • • ApPENDIX A - EMISSION DATA

'­ PSO 1 

### Trinity Consultants Riverside Power Station 063701.0905

# •

• • 

# • 

# •

ApPENDIX 

### B - DATA FILE LIST APPENDIX 

### C - MODEL INPUT/OUTPUT FILES 

# • 

# • • • 

# • 

# • • 

# • • • 

# • • 

# • • 

# • • 

# • • • • 

# • 

# • • 

# • • 

# • • • • 

# • • • 

# • • • • PSO 11 

### Trinity Consultants Riverside Power Station 063701.0005 

# • 

# • 

# •

# •



# • • • 

# • 

# • • • 

# • 

# • 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
.................................................................................... 3-7 

# • • • 

# • • •
TABLE 4-1. BOILER CONSTRUCTION DATE SUMMARy
...................................................................... 4-1 

# • 

# • TABLE 4-2. ESTIMATED 24-HOUR AVERAGE EMISSION RATES
......................................................... 4-2 TABLE 4-3. SPECIATED PM 10 EMISSIONS
......................................................................................... 4-2 

# • 

# • • • 

# • 

# • TABLE 4-4. POINT SOURCE STACK PARAMETERS
.............................................................................. 4-2 TABLE 4-5. SUMMARY OF CALPUFF INPUTS
................................................................................... 4-6 TABLE 5-1. MONTHLY HUMIDITYFACTORS
....... ;.............. ;....**~.-;,** .......................... :............ :..,........ :... 5-1 

# • 

# • TABLE5-2. DEFAULT AVERAGE ANNUAL NATURAL BACKGROUND LEVELS
.................................. 5-2 TABLE 5-3. SUMMARY oFCALPOST INPUTS
................................................................................... 5-2 TABLE 6-1. VISIBILITY IMPACT MODEL RESULTS FOR CANEY CREEK 2001-03
............................... 6-1 

# • • • 

# • 

# • TABLE 6-2. VISIBILITY IMPACT MODEL RESULTS FOR HERCULES GLADES 2001-03
....................... 6-2 TABLE 6-3. VISIBILITY IMPACT MODEL RESULTS FORUPPER BUFFALO 2001-03
............................ 6-3 TABLE 6-4. VISIBILITY IMPACT MODEL RESULTS FOR WICHITA MOUNTAINS 2001-03
................... 6-4 

# • • • 

# • • • 

# • • 

# • 

# • • • •

PSO 111 

### Trinity Consultants Riverside Power Station 063701.0005

### LIST 

### OF FIGURES



# • • 

# • • • • 

# • • 

# • • FIGURE 

### 1-1. LOCATION OF RIVERSIDE POWER STATION AND NEARBY CLASS 

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

### 1-3 FIGURE

### 2-1. PROPOSED MODELING DOMAIN
.................................................................................... 

### 2-2 

# • • • • 

# • • 

# • FIGURE 

### 3-1. PLOT OF MODELING DOMAIN USGS TERRAIN DATA
................................................... 

### 3-2 FIGURE 

### 3-3. PLOT OF SURFACE STATIONS
.................................................... : .................................... 

### 3-5 FIGURE 

### 3-4. PLOT OF PRECIPITATION STATIONS
............................................................................... 

### 3-6 FIGURE 

### 4-1.WICHITA MOUNTAINS WILDERNESS RECEPTOR LOCATIONS
......................................... 

### 4-3 FIGURE 

### 4-2. CANEY CREEKWILDERNESS RECEPTOR LOCATIONS
..................................................... 

### 4-4 

# • 

# • 

# • FIGURE 

### 4-3. HERCULES-GLADES WILDERNESS RECEPTORLOCATIONS
............................................ 

### 4-4 FIGURE 

### 4-4. UPPERBUFFALO WILDERNESS RECEPTORLOCATIONS
................................................. 

### 4-5 

# • • • 

# • • • 

# • • • • • 

# • • • 

# • • • 

# • • 

# • • • 

# • • PSO IV 

### Trinity Consultants Riverside Power Station 063701.0005

# •

• 

# • 

# • • • • 

# • • • 

# • • • • 

# • • 

# • • 

# • 

# • • • 

# • • 

# • 

# • • • • 

# • • 

# • • • 

# • • 

# • • 

# • • 

# • • • • 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 156 specific areas across the United States, known as Class I areas. The Clean Air Actdefmes 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 BARTrule defines BART-eligible sources as sources that meet the following criteria: (1) Have potential emissions ofat least250 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 orcontribute to visibility impairment in any federal mandatory Class I area." EPA has determined that sources are reasonably anticipated to cause or contributeto visibility impairment ifthe visibility impacts from a source are greater than 0.5 deciviews (dv) when compared against a natural background. Air qualitymodeling is the tool that is usedto determine a source's visibility impacts. States have the authorityto exempt certain BART-eligible sources from installing BART controls ifthe results ofthe dispersion modeling demonstrate that the source cannot 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, the Central States Regional Air Planning > 

### (CENRAP) organization developedBARTModeling Guidelines (December 15,2005). The intent of the 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 procedures that were followed by Trinity when conducting refined modeling for Public Service Company ofOklahoma (PSO), a unit ofAmerican Electric Power (AEP), Riverside Power Station located near Tulsa, OK in Tulsa County. 

### 1-1 PSO Trinity Consultants Riverside Power Station 063701.0005

# •

• 

# • • 

# • • • • 

# •

• • • 

# • • • 

# • • • 

# • • • 

# • 1.3 LOCATION OF SOURCES AND RELEVANT CLASS 

## I AREAS 

# • PSO's Riverside Power Station is located in Tulsa, OK, and has the potential to emit more than 250 tpy ofcertain BART pollutants. The facility operates as an electricity-generating station and has several boilers that primarily consume natural gas. PSO has identified the sources listed in Appendix A at the Riverside Station as sources that meet the three criteria for being BART-eligible sources. These sources include:

.. Unit 1, 4684 MMBtulhr boiler (Babcock & Wilcox)

.. Unit 2, 4766 MMBtulhr boiler (Babcock & Wilcox) A detailed summary ofBART-eligibility is included in Section 4.2. As described in CENRAP's 

# • 

# • BART Modeling Guidelines, Class I areas within 300 km 

### ofthe station are included in this refmed analysis. The following Class I areas fall within this 300 km 

### radius: There are no other Class I areas within 300 km 

### ofthe Riverside Station. Figure 1-1 provides a plot ofthe location ofthe Riverside Station in relation to these Class I areas. 

# • • Class I Area Name Distance from source (km) 

# • • Caney Creek Wilderness 239 Hercules-Glades Wilderness 277 

### Upper Buffalo Wilderness 224 

# • 

# • Wichita Mountains National Wildlife Refuge 279 

# • 

# • 

# • 1.4 MODELREsULTS Model results from the refmed analysis are included in Section 6. As summarized in this section, the 

# • • Riverside Station meets the exemption criteria established in CENRAP's 

### BARTModeling Guidelines (December 15,2005). Note that while the procedures established in this report adhere to the 

### Guideline, formal approval ofthe procedures and methods established in this document is still 

# • 

# • pending from the Oklahoma DEQ. While these results should not be considered fmal, the qualitative analysis ofBART applicability for the Riverside Station can be considered reliable.



# • 

# • 1-2 PSO Trinity Consultants Riverside Power Station 063701.0005 

# • 

# • • •

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

FIGURE 1-1. LOCATION OF RIVERSIDE POWER STATION

### AND NEARBY CLASS I AREAS

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



### 1-3 

### PSO Trinity Consultants Riverside Power Station 063701.0005

## 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 ofairpollutants 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 the Riverside Station'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 recommendedby CENRAP. Certain programs were utilized in orderto 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 Riverside Station Refined Analysis Reason for Difference Version Level Version Level TERREL 3.311 030709 3.311 030709 CTGCOMP 2.42 030709 2.22 030528 Version recommended is not available CTGPROC 2.42 030709 2.42 030709 MAKEGEO 2.22 030709 2.22 030709 CALMM5 2.4 050413 2.4 050413 CALMET 5.53a 040716 6.211 060414 Most recent release of CALMET CALPUFF 5.711a 040716 6.112 060412 Use version compatible with CALMET v6.211 POSTU"TT CALPOST 1.4 5.51 040 030709 1.4 6.l31 040818 060410 Use version compatible with CALPUFF 6.112



### 2-1 PSO Trinity Consultants Riverside Power Station 063701.0005

# •



# • • • • • 

# • • 

# • 

# • • • • 

# • • • 

# • • 

# • • • • 

# • • • • • • • • 

# • 2.2 MODELING DOMAIN 

# • • Trinity utilized a modeling domain that extends at least 50 km in all directions beyond the Riverside Station and each ofthe four surrounding Class I areas. The map projection for the modeling domain is Lambert Conformal Conic (LCC) and the coordinate system will beNorth American Datum 1927 

# • • (NAD27), which is an LCC projection. The meteorological grid spacing is 3 km. 

# • 

# • The southwest comer ofthe modeling domain is Latitude 33.25°N, Longitude 100.5°W which was assigned as the 0, 0 reference point for the domain. The northeast comer ofthe modeling domain is approximately Latitude 37.25°N, Longitude 92°W. At a grid spacing of3 km, the number of

### X 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 areas. 

# • 500 

# • - 400 

# •
E 6 

# • •

o FIGURE 

### 2-1. PROPOSED MODELING DOMAIN**I------------------~M~~------,** 

### I

### ~ I I • I 

### I 

### Hercules-Glades 

### Tulsa OK Fayettevine .AR 

# f 6)

­ AEP-Riverside 

### Upller_Buffalo I 

# • I OklahomaCity 

### OK Norrmn 

## OK 6)­ I WI**Chita_M()tllltahWifvt~** 

### _OK

I I I I I L

____________________________ ,


# o 100 200 300 

### 400 500 

### GOO 700 BOO Lambert Conformal Conic 

### (X) (km)



### 2-2 PSO Trinity Consultants Riverside Power Station 063701.0005 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 gridpoint at which meteorological and computational parameters are calculated at each time step. For this analysis, grid spacing intervals of3 kIn are 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 GRID 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 PSO Trinity Consultants Riverside Power Station 

### 063701.0005

## 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 use,d as inputs to CALPUFF. The CALMETmodel requires the input ofgeophysical data, meteorological data, and model parameter settings. The CALMET modeling procedures that Trinity used generally follows 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 of CENRAP'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 landuses 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 (1:250,000 scale or approximately 90 meter resolution) digital format. A list ofthe USGS terrain files used in the analyses 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 

# • PSO Trinity Consultants Riverside Power Station 063701.0005 

# • • •••••••••••••••••••••••••••••••••••••••••••• 1

FIGURE 3-1. PLOT OF MODELING DOMAIN 

### USGS TERRAlN DATA



## 900 

## 400 BOO 700 

## 300 600 500 

## 200 400 300 

## 100 200 100 

# a 700 Meters (Above MSL) 

## 100 200 300 400 500 600

3-2 PSO Trinity Consultants Riverside Power Station 063701
.0005

# •



# • • • • • • • 

# • Trinity used the TERREL program to generate grid-cell elevation averages from the USGS terrain data 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 I:250,000 resolutions. Where I:250,000 land use data was 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. 

### Trinity used the CTGPROC program to generate land use for each grid cell from the LULC data 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. 

# • 

# • • • • • 

# • • • • • • •

• • 

# • 3-3 PSO Trinity Consultants Riverside Power Station 063701.0005 

# • •

# •



# • • • • 

# • • • • 90 FIGURE 

### 3-2. PLOT OF MODELING DOMAIN 

### LAND USE 

### LAND COVER DATA

Lambert Conformal Conic (X) (km)



## 3.2 METEOROLOGICAL DATA 

# • • • • • • CALMET was used to assimilate data for 200I, 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 

### Ian resolution),

... 2002 MM5 data (36 

### Ian resolution), and

... 2003 MM5 data (36 

### Ian resolution) 400 

## E**~** 

### C 300 0 

### ·c 0 0 

### rn E



# - L. 0 c 0 0 

# • • 

# • • • 

# • • • • • • • • • • • • • • ..c t:: Q) E rn ....J 

# • • •

10 = Urban 20 

### =Agricultural Land 30 

### =Rangeland 40 = Forest Land 

# • • 50= Water 60= Wetland 70 = Barren Land 80 = Tundra 90 = Perennial Snow or Ice



### 3-4 PSO Trinity Consultants Riverside Power Station 063701.0005 

# • • 200

100

# •

• • 

# • 

# • 3.2.2 SURFACE DATA 

# • 

# • • • • 

# • • • • • •

500
450
400
350 

# ! E: 300 

# • • • 

# • • • • • •**~**

.. 250

### ~**~** 200 

### j E !I 150 

# • 

# • • • • 100
50


### o 

# • 

# • • 

# • The use ofmultiple stations for meteorological observations in CALMET/CALPUFF 

### provides a substantial enhancement overthe 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-processorto create a single assimilated data file ofsurface observations for each year analyzed. FIGURE 

### 3-3. PLOT OF SURFACE STATIONS

Kl1lN



# • Hercules-Glades**~G** 

# .. $""1"­**Tu~OK** Fayett:tle_AR • AEP-Riwrside Upper_Buffalo**~KO**

Wlchita_Mountaln_ 

# • ,." I ,CDS Lawton_OK I "" I<F

.. DR**~** I

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

## 3.2.3 UPPERAIR DATA 

### Upper air observations were not used inthis CALMET analysis (i.e., NOOBS 

## = 1). 

# • • 

# • • • • 

# • • 3-5 PSO Trinity Consultants Riverside Power Station 063701.0005 

# • •

# •

• • • 

# • 

# • • 

# • • • 

# • • 

# • • • 

# •


# • • •

500
450
400 

# • 

# • • S 350 

# :! E 300

;;; 250

### ~ 

# 8 200 i 

# • 

# • •

.Q E**~** 150

100
50
o 

# • • 

# • • • • 

# • • • 

# • 3.2.4**--Oo~----** ....-------­ WICHIT


# . . <I)' lNOEPE MEDICI**JOPlin~t!l15'**

, 

# • • Hercu les-Glades I SiltING OOAA I SENECA 

# . 

# . I • 

# . • I i RIVERS GREAT BARTLE NOWATA 9tJLLSf NORFOlj 

# . . WAYNQK )PAWNEE e , I 

# . . OILIJ,\lISl\;l.OK TU.S", MARSH"nllLw I AEP -Riverside • I 

# . GIUlER • PAIm<E 

# .**STP~** <I) I<USI<O<l PRECIPITATION DATA 

### The effects ofchemical transfonnations and deposition processes on ambient pollutant concentrations were considered in this analysis. Therefore, it was 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 were processed for use in CALMET using Version 5.31, Level 030528 ofEPA's PMERGE program.

FIGURE 

### 3-4. PLOT OF PRECIPITATION STATIONS

GEAAPklahomaqtty_ OK FORTS 

### ..u. ElKCI

I

### No"!,~K 

### "'.,""

WP4.,ORO 

# . 

# . , MCAlES BENGAl CanJ:,creek 

# . . I PINES 

# . LEHIGH CHIlDR 

# . cANEy AROMOR



# . ......",.



# . t PRESCO MI.1.WO CAMDEN i cLAAAS**~ISY** .CAl1ON ----.---,,­ 

# ----**=~I** FRISco**~~Jr.IOU}(f** 

### o 50 100 150 200 250 300 350 400 450 500 550 600 650 700 750 800 Lambert Conformal Conic (Xl (km 1 

## 3.3 CALMET PROCESSING CONTROL Table 3-1 provides a Iistmg ofthe CALMET parameters that Trinity used inthe Riverside Station's modeling analysis. In addition to the parameters that were used for the Riverside Station'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 

# • • 

# • 3-6 PSO Trinity Consultants Riverside Power Station 063701.0005 

# • •

# •



# • •



# • 

# • • • 

# • • inclusion ofobservation data into the modeling analysis; since CENRAP's parameters are based on a no-observation analysis. TABLE 3-1. SUMMARY OF 

### CALMET INpUTS 

# • 

# • • 

# • • • • • 

# • • • • 

# • • • 

# • 

# • • • • 

# • • • • • 

# • • • • • 

# • CALMET Variable 

# •

Description Value Included in CENRAP Protocol Value Trinity Used Notes NUSTA Number ofupper air data sites 0 0 Only surface and precipitation observations were used NOWSTA Number ofoverwater data sites 0 0
mYR Starting year 2001 Appropriate met year Years 2001, 2002, 2003 mMO Starting month 1 Appropriate Due to file size, month analysis was completed by month mHR Starting hour 1 1 mTZ Base time zone 6 6 IRLG Length ofrun 8736 Varies with Due to file size, month analysis was completed by month IRTYPE Run type (1 for CALPUFF) 1 1 LCALGRD Compute CALFRID F F data fields (T run CALGRID) ITEST Stop run after SETUP to do input QA (2 run) 2 2

PMAP Map projection LCC LCC RLATO Latitude (decimal 40N 33.25N Appropriate for degrees) ofprojection domain origin RLONO Longitude (decimal 97W 100.5W Appropriate for degrees) ofprojection domain origin XLATl Latitude of 1SI standard parallel 33N 33N Appropriate for domain XLAT2 Latitude of2nd standardparallel 45N 40N Appropriate for domain DATUM Datum region for WGS-G WGS-G Selected datum to output coordinates match datum of land use data 

# • • 

# • 3-7 PSO
. Trinity Consultants Riverside Power Station 063701.0005

# •

• , " 

# • 

# • 

# • • • • 

# • • • 

# • • 

# • • 

# • • • • 

# • • • • 

# • • • • 

# • • 

# • • • • 

# • • 

# • • • CALMET Variable Description Value Included 

### ill CENRAP Protocol Value Trinity Used Notes NX Number ofX grid cells in meteorological grid 300 256 Appropriate for domain NY Number ofY grid cells in meteorological grid 192 155 Appropriate for domain DGRIDKM Grid spacing (km) 6.0 3.0 Refmedgrid 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 

### + 1 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 (I for CALPUFF) 1 1

LPRINT Print met. fields F F IPRINF Print intervals 1 I 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 

### 000 temperature field to print NZ*O NZ*O

LOB Print met data and variables F F
NNI 

# • 

# • • First time step for debug data to be printed I 1 

# • • 

# • 3-8 PSO Trinity Consultants Riverside Power Station 063701.0005 I

# •



# • • • • 

# • • 

# •

• • • • • • • • 

# • ... 

# • • 

# • • 

# • • •

" 

# • • • • • • • 

# • • • 

# • • 

# • • • 

# • • CALMET Variable DescriPtion Value Included in CENRAP Protocol Value Trinity Used Notes NN2 Last time step for debug data to be printed 1 2 Generated debug data for a total of2 time steps IOUTD Control variable for writing teslldebug wind fields 

### 0 0

NZPRN2 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 divergence fields 

### 0 0 IPR3 Print final wind speed and direction 

### 0 0 IPR4 Print final divergence fields 

### 0 0 IPR5 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 Print fmal wind field components 

### 0 0 NOOBS No observation mode (2 = No surface, overwater, or upper air observations; use MM5 for surface, overwater, and upper 

### air data) 2 1 Used surface and precipitation observations only

NSSTA Number of meteorological stations in SURF.DAT file 

### 0 47 Number ofstations

NPSTA 

# • 

# • Number of precipitation stations in PRECIP.DAT file 

### 0 135 Number ofstations



### 3-9 PSO 

### Trinity Consultants Riverside Power Station 063701.0005I:

.



# • • 

# • • • • 

# • • • 

# • 

# • • • • 

# • 

# • • 

# • • 

# • 

# • • • • • 

# • • • • • • • • • • 

# - • 

# • • • CALMET Variable Description Value Included in CENRAP Protocol Value Trinity Used Notes ICLOUD Gridded cloud fields (0 no, 3 

### = Gridded cloud cover from prognostic relative humidity) 3 3

IFORMS Format ofsurface data (2 formatted) 2 2 IFORMP Format of precipitation data (2
= formatted) 2 2

IFORMC Format ofcloud data (2 

### = formatted) 2 1 N/A
- No cloud data used in model IWFCOD Generate winds by diagnostic wind module? (1 = yes) 1 1

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

IKINE Adjust winds using kinematic effects? (0
= no) 

# ° 1 Computed kinematic effects in this analysis IOBR Use O'Brien procedure for vertical winds? (0 = no) 

# ° °

ISLOPE Compute slope flows? (1 = yes) 1 1
IEXTRP Extrapolate surface winds to upper layers (-1 no extrapolation and ignore layer 1 of upper air station data) -1 -1

ICALM Extrapolate surface winds even ifcalm? (0 no) 

# ° °

BIAS Layer dependent biases weighting aloft measurements 0,0,0,0,0,0,0,0,0, 

# ° 0, 0, 0, 0,0, 0, 0,0,0,0 RMlN2



# • • Minimum vertical extrapolation distance Distance (km) around an upper air site where vertical -1 

### -I

3-10 

# • PSO Trinity Consultants· Riverside Power Station 063701.0005 

# •

# •

• • • 

# • • 

# • • • • 

# • • 

# • • 

# • • 

# • • 

# • 

# • • 

# • • • • 

# • • 

# • 

# • • • 

# • • • • • • • 

# • • 

# • CALMET Variable Description Value Included in CENRAP Protocol Value Trinity Used Notes extrapolation is excluded (set to -I if IEXTRP ± 4) ,

IPROG Using prognostic or MM-FDDA data? (14

Use winds from MM5.DAT as initial guess wind field) 14 14

ISTEPPG Timestep (hours) Of theMM5 data 1 1 LVARY Use varying radius of influence to develop surface winds? T T Use FLAG default

RMAXI Maximum radius of influence over land in surface layer (lan) 30 100 As included in IWAQM Phase 2 case study RMAX2 Maximum radius of influence over land aloft (lan) 30 500 As included in IWAQMPhase2 case study RMAX3 Maximum radius of influence over water (lan) 50 36 Same as MM5 data spacing
RMIN Minimum radius of influence used anywhere (km) 0.1 0.1

TERRAD Radius ofinfluence ofterrain features (lan) 12 12

Rl Weighting offirst guess surface field (lan) 1 . 50 As included in IWAQM Phase 2 case study R2 Weighting offirst guess aloft field (lan) 

### 1 100 As included in IWAQM Phase 2 case study RPROG MM5 windfield weighting parameter (lan) 0 0

DIVLIM Maximum acceptable divergence 5.E-6 5.E-6
NITER Max number of passes in divergence minimization 50 50

NSMMTH 

# • 

# • • Number ofpasses 2,4,4,4,4,4,4 2,4,4,4,4,4, 

### PSO Trinity Consultants Riverside Power Station 063701.0005

# •

• •

• • 

# • • • • 

# • • 

# • • • 

# • • • • • 

# • 

# • • • • 

# • • • 

# •



# • • • 

# • • 

# • • • • • 

# • • CALMET Variable Description Value Included in CENRAP Protocol Value Trinity Used Notes through smoothing filter in each layer of CALMET(NZ values) 4,4,4,4

NITR2 Max number of stations used in each layer for the interpolation ofdata to a gridpoint (NZ values) 

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

CRlTFN Critical Froude number 1.0 LO
ALPHA Kinematic effects parameter 0.1 0.1 FEXTR2 Scaling factor for extrapolating surface winds aloft NZ*O.O NZ*O.O

NBAR Number ofterrain barriers 0 0 IDIOTPI Compute temperature from observations (0 

### = true) 0 0

ISURFT Surface station to use for surface temperature (between 1 and NSSTA) 4 4

IDIOPT2 Domain-averaged wind component switch 0 0

IUPT Station for lapse rates (between 1 and NUSTA) 2 2

ZUPT Depth through which lapse rate is calculated 200 200

IDIOPT3 Domain averaged wind component switch 0 0

IUPWND Upper air station for domain winds -1 -1
ZUPWND Bottom and top of layer through which the domain scale 1., 1000. 1.,1000. 

# • • 3-12 

# • PSO Trinity Consultants Riverside Power Station 063701.0005 

# •

# •



# • • • • 

# • • • 

# • 

# • • • • • 

# • • 

# • • • 

# • • • 

# • • • 

# • 

# • • • 

# • 

# • • • 

# • • 

# • 

# • • • • CALMET Variable Description Value Included in CENRAP Protocol Value Trinity Used Notes winds are computed IDIOPT4 Observed surface wind component switch 0 0

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 l.4l l.4l

CONSTE Convective stability mixing height coefficient 0.15 0.15

CONSTN Stable stability mixing height coefficient 2400 2400

CONSTW Overwater mixing height coefficient 0.16 0.16 FCORIOL. Absolute value of Coriolis parameter l.E-4 1.E-4 IAVEZI Conduct spatial averaging? (1 

### = 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) 1 1

DPTMIN Minimum potential temperature lapse rate in the stable layer above the current convective mixing 0.001 0.001



### 3-13 PSO Trinity Consultants Riverside Power Station 

### 063701.0005 

# • • 

# •


# ..

# •

• • 

# • • • 

# • • • • • 

# •

• 

# • • • • 

# • • • 

# • • 

# • • • • • • • •



# • • • • 

# • • • 

# • • 

# •

• • CALMET Variable Description Value Included in CENRAP Protocol Value Trinity Used Notes height DZZI Depth oflayer above current convective mixing height through which lapse rate is computed (m) 200 

### .•. 200

ZIMIN Minimum 0 mixing hei 50 50 ZIMAX Maximum mixing height (m) 3000 3000 ZIMINW Minimum overwater mixing height (m) 50 50 ZIMAXW Maximum overwater missing height (m) 3000 3000 ITPROG 3D temperature from observations or from MM5? 2 1 Used surface observations and precipitation data 

### IRAD Type ofinterpolation (1 = lIr) 1 1 

### TRADKM Temperature interpolation radius ofinfluence (km) 36 36

NUMTS Max number of stations for temperature interpolations 5 5

IAVET Spatially average temperature? (I = yes) I 1

TGDEFB Temperature gradient below the mixing height over water (KIm) -.0098 -0.0098

TGDEFA Temperature gradient above the mixing height over water (KIm) -.0045 -0.0045

JWATl Beginning land use categories over water 55 55

JWAT2 Ending land use categories for water 55 55



### 3-14 PSO 

### Trinity Consultants Riverside Power Station 06370l.0005 

# • 

# •CALMET Variable Description NFLAGP Precipitation interpolation flag (2 = II?) SIGMAP Radius ofinfluence for precipitation interpolation (km) CUfP Minimum precipitation rate cut off(mmIhr) Value Included in CENRAP Protocol 2

50

0.01 Value Trinity Used

2

50

0.01 Notes



# • 

# • 

# '. •

"

# ;'. 

# '. • 

# • • 

# • 

# '.' 

# '.
• • • • 3-15 PSO 

### Trinity Consultants Riverside Power Station 

### 06370 1.0005

## ~.

## 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-ELIGmLE SOURCES As a fossil fuel-fired steam generating unit with a combinedtotal ofmorethan 250 MMBtu/hr heat input and a PTE ofgreater than 250 tpy, the Riverside Power Station is considered BART-eligible. In orderto determine what specific units constitute the "BART-eligible" source, the construction dates ofeach ofthe station's units must be examined. A summary is provided below. TABLE 

### 4-1. BOILER CONSTRUCTION DATE SUMMARY 

### Unit No. Name Construction Date 

### A-I Babcock 

### & Wilcox 1971 A-2 Babcock & Wilcox 1971 Based upon the construction dates listed above, each ofthe boilers at the Riverside Power Station can be considered BART-eligible. 

## 4.2 SOURCE EMISSIONS DATA Trinity included emissions ofS02, NOl(' and PM 10 

### in the model. For source-specific analyses, CENRAP has suggested several sources ofemission data in the foHowing 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 Modeled emissions are obtained from CEMS data from 2001-05 and are based on the highest hourly emission rate (based on a 24-hour average) thatoccurred over that period. A detailed summary of emission rates and source data is included in Appendix A. 

### Table 4-2 provides a summary ofthe
. modeled emission rates. 

# • • • • • • 

# • • • • • • • 

# • • • 

# • • • • 

# • • • 

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

# • • • 4-1 PSO Trinity Consultants Riverside Power Station 063701.0005 

# •

# •

• • • • 

# • •



# • • • 

# • , ; 

# • • • • • • • • 

# • • • • • 

# •
• 

# • •
• • • 

# • • • 

# • • 

# •

• 

# '. • • 

# • • 

# • TABLE 4-2. ESTIMATED 24-HOURAVERAGE EMISSION RATES Unit ID NO. PM10 S02 lbs/hr Ibs/hr Ibs/hr 1 1,135.30 46.52 3.72 2 961.20 31.74 2.54


### 4.2.1 PMIO EMISSIONS 

### PMIO 

### emissions are not directly entered into the model but are instead input as its coarse and flne constituents. The PMIO 

### emissions from the boilers are speciated according to the Federal Land Managers' guidance to include the following: 2

.A 

### Coarse particulate matter (pMC, considered PM2.5-1O) .A 

### Fine particulate matter (PMF, considered PM<2.5) .A 

### Sulfates (S04) .A 

### Secondary organic aerosols (SOA) .A 

### Elemental carbon (EC) Based upon FLM guidance, PMIO 

### etnissions from natural gas combustion consists ofprimarily coarse (25%) and fme (75%) particulate matter. A summary of speciated PMIO 

### emissions is presented in Table 4-3. TABLE 4-3. SPECIATED PM10 EMISSIONS
UnitID PM (coarse) PM (rme) lbs/hr Ibslhr 1 11.63 34.89 2 7.94 23.81


### 4.2.2 STACKPARAMETERS 

### Table 4-4 provides a summary of source exhaust parameters as listed in Permit No. 2003-360-TVR, issued by the Oklahoma DEQ. TABLE 4-4. POINT SOURCE STACK PARAMETERS 

### Emission Latitude Longitude Exit Stack Stack Exit unit (degrees) (degrees) Velocity Height Diameter Temperature (ft/s) (feet) (feet) (Fahrenheit) I 35.997731 95.956234 53.40 300 18.0 249 2 35.996664 95.955994 53.40 300 18.0 249

2 http://www2.nature.nps.gov/airlPennitsiectlectGasFiredCT.cfin 

### 4-2 PSO Trinity Consultants Riverside Power Station 063701.0005

### Base elevation ofeach ofthe units is 186 meters (610 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, Hercules-Glades Wilderness, Upper Buffalo Wilderness, and Wichita Mountains Wildlife Refuge 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.WICHITA MOUNTAINS WILDERNESS RECEPTOR LOCATIONS Wichita Mountains Wilderness within Wichita Mountains NWR 59 Recepto rs FWS Wilderness Boundary Source:

Region 2 GIS 500 Gold Ava,. SW PO Box 1306 Albuquerque, NM 87103 FWS NWR Boundary Source:

http://WMN ,fw5,govld atalr2 gislb ou oda ry ,hIm I Septem ber 18, 2003 

# • • • • • 

# • • • • • • • • • • • • 

# • • • • • • • • 

# • • 

# • • • • 

# • • • • • • 

# • 

# • • • 

# • • • 4-3 PSO Trinity Consultants Riverside Power Station 063701.0005

# • • 

# • • •

• 

# • • • 

# • • • 

# • • • 

# • • • • • 

# • • • 

# • • • 

# • • • • 

# • • 

# • • • • 

# • • • • 

# • • • 

# • • • 

# • • • • 

# • • 

# • • • • 

# • • • 

# • 

# • •

• •
• 

# • • 

# • • •
• • • 

# • • • 

# •
• • • 

## • 

## •


# • • • 

# • • •


# • • 

# • • • 

# • • • 

## • •


# • •
• •


## • • 

# •
• • 

## • 

## •
• FIGURE 

### 4-2. CANEY CREEKWILDERNESS RECEPTOR LOCATIONS Caney Creek Wilderness aD Receplor. USFS Boundary Source:

FS**Na~onal** Coverage ile: NR IS
- ALP**~roup** Corvallis, 0 August 22,2003 

# • 

# • • 

# • • 

# • 

# • 

# • • •

•
FIGURE 

### 4-3. HERCULES-GLADES WILDERNESS RECEPTOR LOCATIONS 

# • • • • • • • 

# • • • 

# • • • • • 

# •

.1


# • Hercules-Glade. Widerne•• 

# • 

# • 

# • • 

# • • 

# • • • • 

# • ao Recep10rs USFS Boundary Source:

FS National Coverage file: NRIS
- .ALP group Corvallis, OR 

# • • • August 22,2003 

# • 

# • • 4-4 PSO Trinity 

### Consultants Riverside Power Station 063701.0005 

# • • 

# • • •



# •
• • •
• •

# • • • • • • • • • • 

# •

• • • • • • • • 

# • • 

# • • • • • • • • • • • 

# • • • • • • • • • 

# .,

FIGURE 4-4. UPPERBUFFALO WILDERNESS RECEPTORLOCATIONS



### Background ozone concentrations are required in orderto model the photochemical conversion of S02 and NO

### x to sulfates (S04) and nitrates (N03). CALPUFF can use either a single background value representative ofan area or hourly ozone data from one ormore 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 sinlulation for the 2002 base year. Since the data from CENRAP's CMAQ and CAMx simulations is not readily available, Trinity used 40 ppb as the 

# • •

• 

# • • 

# • • • 

# • • 

# • • • • • 

# • • • 

# • • • • 

# • • • 

# • • • 

# • • • • 

# • 

# • • •

• • • • 

# • • U ppe r Buffalo Wilderne S8 72 Receptors USFS Boundary Source:

FS National C0\1 erage file: NRIS- ALP group Corvallis, OR Aug usl 22,2003 

# •

• • • •

4.4 BACKGROUND OZONE 

# • 

# • • 

# • • 

# • • 

# • • 

# • 4-5 PSO Trinity Consultants Riverside Power Station 063701.0005 

# •

# •



# • •
background value. This background concentration is the value included in CENRAP's protocol as a default background value for the CENRAP region. 

## 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 

### CMAQ/CAMx 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 is not readily available, Trinity used a**m~nthly** 

### background concentration of 3 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 PSO's modeling 

# • 

# • • analysis. In 

### addition to the parameters that were used for PSO's modeling, thetable also lists CENRAP's recommended parameters for comparison. In cases where a parameterto be used is different than what CENRAP recommended, a short explanation as to the difference is provided. TABLE 

### 4-5. SUMMARY OF 

### CALPUFF INpUTS 

# • • 

# • • • 

# • • 

# • • • • • • • • • • 

# • • • CALPUFF Value Included in Variable Description CENRAP Protocol Value TrinityUsed METRUN All model periods 0 0 in met files will be run mYR Starting year 2001 Appropriate met year mMO Starting month 1 1 mDY· Starting day 1 1 mHR Starting hour 1 1 XBTZ Base time zone (6 6 6
= CST) IRLG Length ofrun 8760 8760 NSPEC Number of 10 10 MESOPUFF II chemical species NSE Number of 8 

### 4 chemical species to be emitted ITEST Program is 2 2 Notes

Years 2001, 2002, 2003

Adjusted to fit emission profile of facility

4-6 

### PSO Trinity Consultants Riverside Power Station 063701.0005 

# • 

# •" ,



# • 

# • • • • • 

# • 

# • • 

# • 

# • • 

# • • • • • • 

# • • • • • • 

# • • 

# • • • • • • • 

# • • • 

# • CALPUFF Variable Description Value Included in CENRAP Protocol ' Value Trinity Used Notes executed after SETUP phase 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) I I

ET Averaging time in minutes 60 60 PGTIME PG Averaging time in minutes 60 60 MGAUSS Gaussian distribution used in near field I I

MCTADJ Partial plume path terrain adjustment 

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

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

MAQCHEM Aqueous phase transformation not 0 0 

# • • 

# • 

# • • 4-7 PSO Trinity Consultants 

### Riverside Power Station 063701.0005 

# • 

# •

# •

• • 

# • • • • • • 

# • • • • • • • • • 

# • 

# • 

# • • 

# • • 

# • • • 

# • • 

# • • 

# • • • • 

# • • • 

# • • CALPUFF Variable Description Value Included in CENRAP Protocol Value Trinity Used Notes modeled MWET Wet removal modeled I I
MDRY Dry deposition modeled I I MDISP PG dispersion coefficients 

### 3 3
MTURBVW Use both O'v and O'w from PROFILE.DAT to compute O'y and 0'. (n/a) 

### 3 3

MDISP2 PG dispersion coefficients 

### 3 3 MROUGH PG O'y and 0'. not adjusted for roughness 

### 0 0

MPARTL No partial plume penetration of elevated inversion I 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"grld TIBL module not used for shoreline 

### 0 0

MBCON Boundary concentration conditions not modeled 

### 0 0

MFOG Do not configure for FOG model output 

### 0 0

MREG


# • 

# • Technical options must conform to USEPA Long Range Transport 1 I



### 4"8 PSG Trinity Consultants Riverside Power Station 

### 063701.0005 

# • •

# •

• • 

# • • • • 

# • • 

# • • 

# • • • • 

# • •

• • 

# • • 

# • • • 

# • • • • • 

# • • • 

# • 

# •

• 

# • 

# • • • 

# • • • • 

# • CALPUFF Variable Description Value Iricluded in CENRAP Protocol Value Trinity Used Notes 'dance CSPEC 

### CENRAP PSO

- Riverside Output Group Species Modeled Emitted Dry Deposition Output Group 

# r-I**M~elu** N
. Emitted I 

### Dry Deposition I S02 I I I S04 I 0 2 0 2 

### NOX I I I I I HN03 I 0 1 HN03 I 0 I N03 I 0 2 N03 I 0 2

# ~ 1 1 NH3 1 1 I 1 2 PMC 1 1 2 1 2 PMF I 1 2 EC I I 2 EC I I 2 SOA 1 I 2 SOA 1 I 2 PMAP .Map proiection UTM LCC NX Number ofX grid cells in meteorological grid 66 256 Based on refmed grid parameters as specified in CALMETruns NY Number ofY grid cells in meteorological grid 66 155 Based on refmed grid parameters as specified in CALMETruns NZ Number ofvertical layers in meteorological grid 10 10

DGRIDKM Grid spacing (km) 6 3 Refmed grid size ZFACE Cell face heights in meteorological grid (m) 0, 20, 40, 80, 160, 320,640,1200,2000, 3000,4000 0,20,40, 80, 160, 320,640, 1200, 2000,3000,4000 XORIGKM Reference X coordinate for SW corner ofgrid cell ofmeteorological grid (kIn) 5 0 Appropriate for domain (refined grid)

YORIGKM Reference Y coordinate for SW corner ofgrid cell ofmeteorological 3327 0 Appropriate for domain (refmed grid)



### 4-9 PSO Trinity Consultants Riverside Power Station 

### 06370l.0005

# •

• • • 

# • • • • • • 

# • • 

# •



# • • 

# • •



# • •



# • 

# • • 

# • • • 

# • • 

# • •
• • 

# • • • 

# • • 

# • • 

# • 

# • • PSO Trinity Consultants Riverside Power Station 063701.0005 

# • 

# • • CALPUFF Variable Description grid (kIn) 

### IUTMZN UTM zone of coordinates (NAD83) (Use only ifpMAP= UTM) IBCOMP X index oflower left comer ofthe computational grid JBCOMP Y index oflower left comerofthe computational grids IECOMP X index ofupper right comer ofthe computational grid JECOMP Y index ofupper right comer ofthe computational grid LS Sampling grid is not used msAMP X index oflower left comer of sampling grid JBSAMP Y index oflower left comer of sampling grid IESAMP X index ofupper right comer of sampling grid JESAMP Y index ofupper right corner of sampling grid MESHDN Nesting factor of sampling grid ICON Output file CONC.DAT containing concentrations is created IDRY Output file DFLX.DAT containing dry Value Included in CENRAP Protocol 

### 12

I

I



### 66

66

F 1

I



### 66

66

1 1



### 1

4-10 Value Trinity Used 

### 14

1



### 1

256

155

F 1

1


### 256
155

1 1

I Notes N/A,LCC coordinates used

Appropriate for domain (refmed grid) Appropriate for domain (refined grid)

Appropriate for domain (refmed grid) Appropriate for domain (refmed grid)

# •

• • 

# • • • 

# • 

# • • • • 

# • • • • 

# • • 

# • • 

# • 

# • • • 

# • 

# • • 

# • • 

# • • 

# • • • • 

# • • • 

# • 

# • • • 

# • • 

# • CALPUFF Variable Description Value InCluded in CENRAP Protocol Value Trinity Used Notes fluxes is created IWET Output file WFLX.DAT containing wet fluxes is created I I

IVIS Output file containing relative humidity data is created I I

LCOMPRS Perform data compression in output file T T
\ IMFLX Do not calculate mass fluzes across specific boundaries 0 0

IMBAL Mass balances for each species not reported hourly 0 0

ICPRT Print concentration fields to output list file I I

IDPRT Do not print dry flux fields to output list file 

### 0 0

IWPRT Do not print wet flux fields to output list file 0 

### 0
ICFRQ Concentration fields are printed to output list file every hour I I

IDFRQ Dry flux fields are printed to output list file every 1 hour I 1

IWFRQ Wet flux fields are printed to output list file every I hour 1 I

IPRTU Units for line printer output are in g/m3 for 

### 3 3



### 4-11 

### PSO Trinity 

### Consultants Riverside Power Station 063701.0005,



# • • 

# • • • 

# • • 

# • 

# • • 

# • 

# • • • • 

# • • 

# • • 

# • • 

# • • 

# • 

# • • 

# • • • • • 

# • 

# • • 

# • • • 

# • 

# • 

# • CALPUFF Variable Description Value Included in CENRAP Protocol Value Trinity Used Notes concentration and g/m2/s for deposition !MESO Messages tracking the progress ofrun written to screen 2 2

LDEBUO Logical value for debug output F F
IPFDEB First puffto track I 1 NPFDEB Number ofpuffs to track I 1 NNl Meteorological period to start output 1 I

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 CTSO hills input in CTDM format 2 2

XHILL2M Conversion factor for changing horizontal dimensions to meters I 

### I

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 0 0 .' -,'



# • • 

# • 4-12 

### PSO Trinity Consultants Riverside Power Station 063701.0005 

# •

# •

• • 

# • • 

# • • 

# • • • 

# • 

# • • 

# • • • • • 

# • • • 

# • • • 

# • • 

# • • 

# • • • • 

# • • 

# • • • 

# • 

# • • 

# • • • • CALPUFF Variable Description Value Included in CENRAP Protocol Value Trinity Used Notes CALPUFF coordinate system (km) 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 0.1656 0.1656 Alpha star 1 I Reactivity 8 8 Mesophyll resistance 5 5 Henry's Law coefficient 3.5 3.5 HN03 Diffusivity 0.1628 0.1628 Alpha star 1 1 Reactivity 18 18 Mesophyll resistance 0 0 Henry's Law coefficient 8.0e-8 " 8.0e-8 S04-2 Geomatric mass mean diameter of S04-2 (/.lm) 0.48 0.48

N03­ Geometric mass mean diameter of N03- (/.lm) 0.48 0.48

PMC

PMF Geometric mass mean diameter of PMC (1J.Dl) 6 6

0.48 Geometric mass mean diameter of PMF (1J.Dl) 0.48

EC Geometric mass mean diameter of EC (/.lm) 0.48 0.48

SOA Geometric mass mean diameter of SOA (/.lm) 0.48 0.48



### 4-13 

### PSO Trinity 

### Consultants Riverside Power Station 063701.0005

# •

• 

# • • • • • 

# • • • • • 

# • • • 

# • • 

# • • • 

# • • • • 

# • • • • • • • • 

# • 

# • • • • • 

# • • 

# • • • • CALPUFF Variable Description Value Incl CENRAP
.. 

### .. Used Notes RCUTR Reference cuticle
I resistance (s/cm) 30 30 RGR Reference ground resistance (s/cm) 10 10 REACTR Reference pollutant reactivity 

### 8 8 NINT Number ofparticle size intervals for effective particle deposition velocity 9 9

IVEG Vegetation in nonirregated areas is active and unstressed I 1

S02 Scavenging coefficient for liquid precipitation (S·I) 3.21E-05 3.21E-05

Scavenging coefficient for frozen precipitation (S·I) 0 0

S04-2 Scavenging coefficientfor liquid precipitation (S·l) 1.0E-04 1.0E-04

Scavenging coefficient for frozen precipitation (S·l) 3.0E-05 3.0E-05

RN03 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·l) 1.0E-04 1.0E-04

Scavenging 3.0E-05 3.0E-05 

### 4-14 PSO Trinity Consultants Riverside Power Station 063701.0005

# •

• 

# • • 

# • • 

# • 

# • • 

# • • • • 

# • • • • • • 

# • • • 

# • • 

# • • 

# • 

# • • • 

# • • 

# • • 

# • •

• 

# • • CALPUFF Variable Description Value Included in CENRAP Protocol Value Trinity Used Notes coefficient for frozen precipitation (S·I) NIB 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

Scavenging coefficient for frozen precipitation (S·l) 3.0E-05 3.0E-05

PMF 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

EC 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

DC 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 

# • 

# • • • 4-15 PSO Trinity Consultants Riverside Power Station 063701.0005 

# •

# •

• 

# • • • 

# • 

# • • • • • • 

# • • • 

# • • • • • 

# • • • 

# • • • • 

# • • • • • • • • • • 

# • • • • 

# • • • CALPUFF Variable Description Value Included in CENRAP Protocol Value Trinity Used Notes MOZ Read ozone background concentrations from ozone.dat file (measured values) 1 

# ° Used monthly background ozone value

BCK03 Background ozone concentration (ppb) 12*40 12*40

BCKNH3 Background ammoma concentration (ppb) 12*3 12*3

RNITEI Nighttime N02 loss rate is o/olhour 0.2 0.2 RNITE2 Nighttime NOX loss rate is o/olhour 2 2 RNITE3 :, Nighttime HN03 loss rate is o/olhour 2 2 MH202 Background H202 concentrations 1 

# ° Need to choose

# °in order to use monthly background value BCKH202 Background monthly H202 concentrations I 12*1

BCKPMF Fine particulate concentration for SOA option ()lg/m3) I I

OFRAC Organic fraction of fme particulate for SOA option .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 VOC/NOX 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 

# ° °

4-16 

### PSO Trinity Consultants Riverside Power Station 063701.0005

# •

• • • " '. 

# • • • • • • • • 

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

# • • • • • • • 

# • CALPUFF Variable Description JSUP Stability class used to detennine dispersion rates for puffs above boundary layer CONKI Vertical dispersion constant for stable conditions CONK2 Vertical dispersion constant for neutraVstable conditions TBD Use ISC transition point for detennining the transition point between the Schulman-Scire to Huber-Snyder Building Downwash scheme 

### lURE 1 Lower range of land use categories for which urban dispersion is assumed IURB2 Upper range of land use categories for which urban dispersion is assumed ILANDUIN Land use category for modeling domain
T £' ea g domain ZOIN Roughness length in meters for modeling domain ELEVIN Elevation above sea level XLATIN North latitude of Value Included in CENRAP Protocol 5



### 0.01

0.1

0.5

10

19



## *

* *

- Value Trinity Used 

### 5

0.01

0.1

0.5

10

19



## * * * *

- Notes



# • • • • 4-17 PSO Trinity Consultants Riverside Power Station 

### 063701.0005

# ~

# '. ;,. • • 

# • • •

:'.



# • • • • • 

# '. '. • 

# '. • 

# • • • • 

# • 

# • • CALPUFF Value Included in Variable Description CENRAP Protocol Value Trinity Used Notes station in degrees XLONIN South latitude of 

# - - ANEMHT station in degrees Anemometer 

### 10 10 height in meters ISIGMAV
.Sigma-v is read 

### 1 I for lateral turbulence data CTDM Predicted mixing heights are used 

### 0 0
XMXLEN

XSAMLEN Maximum length ofemitted slug in meteorological grid units Maximum travel 

### 1

10 I



### 10 distance ofslug or puffin meteorological grid units during one sampl' MXNEW Maximum number 

### 60 60 ofpuffs or slugs released from one

MXSAM source during one time step Maximum number 

### 60 60 ofsampling steps during one time step for a puffor slug NCOUNT Number of 

### 2 2 iterations used 

# . when computing the transport wind for a sampling step that includes transitional plume rise SYMIN Minimum sigma y I 

### 1 in meters for a new puffor slug SZMIN Minimum sigma z in meters for a 

### 1 1


### 4-18 PSO Trinity Consultants Riverside Power Station 

### 063701.0005

# •



# • 

# • • • • 

# • • • 

# • • • • 

# • • • • • • • • • 

# • • • • • • • • 

# • • 

# •

• 

# • • • • 

# • •
4-19 

# • 

# • 

# • • PSO Trinity Consultants Riverside Power Station 063701.0005

CALPUFF

Variable Description Value Included in CENRAP Protocol Value Trinity Used Notes new puffor slug SVMIN Minimum lateral turbulence velocities (m/s) 0.5 0.5,0.5,0.5,0.5,0.5, 0.5,0.37,0.37,0.37, 0.37,0.37,0.37 SWMIN Minimum vertical turbulence velocities (m/s) 0.20,0.12,0.08,0.06, 0.03,0.016 0.20,0.12,0.08, 0.06,0.03,0.016, 0.20,0.12, 0.08, 0.06 0.03,0.016 WSCALM Minimum noncalm wind speeds (m/s) 0.5 0.5

XMA.XZI Maximum mixing height (m) 3000 3000
XMINZI Minimum mixing height (m) 20 20 SL2PF Maxmium cry/puff length 10 10 PLXO Wind speed power-law exponents 0.07,0.07,0.10,0.15, 0.35,0.55 0.07,0.07,0.10, 0.15, 0.35, 0.55 WSCAT Upperbounds of 151 5 wind speed classes 1.54,3.09,5.14,8.23, 10.80 1.54,3.09,5.14, 8.23, 10.80 PGGO Potential temp gradients PG E & F (deg/km) 0.020,0.035 0.020,0.035

CDIV Divergence criterion for dw/dz (l/s) 

### O.oI 0.01

PPC Plume path coefficients (only ifMCTADJ = 3) 0.5,0.5,0.5,0.5, 0.35,0.35 0.5,0.5,0.5,0.5, 0.35,0.35 NSPLIT Number ofpuffs when split 3 3 IRESPLIT Hours when puff is eligible to split 1900 Hour 17 Should be by hour of day

- 1900 is hour 17 ZISPLIT Previous hours minimum mixing height, m 100 100

ROLDMAX Previous max mixing height!current height ratio, must 0.25 0.25CALPUFF Variable Description Value included in CENRAP Protocol Value Trinity Used Notes be less than this value to allow puff to split I NSPLITH Number ofpuffs resulting from a split 5 5

SYSPLITH Minimum sigma-y ofpuffbefore it may split 1.0 1.0

SHSPLITH Minimum puff elongation rate from wind shear before puffmay split 2.0 2.0

CNSPLITH Minimum species concentration before a pluffmay split I.OE-07 I.OE-07

EPSSLUG Criterion for SLUG sampling 1.0E-04 1.0E-04 EPSAREA Criterion for area source integration I.OE-06 I.OE-06 DSRISE Trajectory step length for numerical site algorithm 1.0 1.0

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

IPTU Units for point source emission rates are gls I 3 Used different units (3 = lb/hr) NSPTl Number ofsourcespecies combinations with variable emissions scaling factors 

## - 

# -

NPT2 Number ofpoint sources with variable emission 

# - -

4-20 PSO Trinity Consultants Riverside Power Station 063701.0005I·



# • 

# • • • 

# • • • CALPUFF Variable Description Value lilcluded in CENRAP Protocol Value Trinity Used Notes 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 source emission rates are g/m2 /s I I

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

NUNES Number of buoyant line sources 

# - -

ILNU Units for line source emission rates in gls 

# - -

NSLNI Number ofsourcespecies 

# - -
4-21 PSO Trinity Consultants Riverside Power Station 063701.0005

# •

• • • • • 

# • 

# • CALPUFF Variable Description combinations with variable emissions scaling factors MXNSEG Maximum number ofsegments used to model each line NLRISE Number of distance at which transitional rise is

om uted XL ge line source length (m) HBL Average height of line source height (m) WBL Average·building width (m) WML Average line source width (m) DXL Average separation between buildings (m) FPRIMEL Average buoyancy parameter (m4/s3) NYLl Number ofvol""" A sources 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 

### PSO Value Included in CENRAP Protocol



# -

-

-

-

-

-

-

-

-

-

-

- Value Trinity Used



# -

-

-

-

-

-



# -

-

-



# -

-

-



# -

- Notes



### ..,

4-22 Trinity Consultants Riverside Power Station 

### 063701.0005

# •



# • 

# • • 

# • • •

CALPUFF Variable Description Value Included in CENRAP Protocol Value Trinity Used Notes VSIGZI Initial sigma-z value 

## - - NREC Numberofnongridded receptors 5630 291 Corresponds to nearby Class I areas Receptor files as provided by NPS 

# • • • • • • • 

# • • 

# • • • 

# • • • • 

# • • • 

# • • 

# • 

# • • 

# • 

# • • • • • • 

# • • 

# • 

# • • • 4-23 PSO Trinity Consultants Riverside Power Station 063701.0005

# •

• • 

# • • 

# • 

# • • s. CALPOST 

# • • 

# • • 

# • Trinity conducted a three-year CALPOST analysis to determine the change in light extinction caused by the Riverside Station'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. 

### bex! 

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

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

## + 4*[OC] 

## + l*[PM f ] 

## + 0.6 *[PMc] 

## + lO*[EC] 

## + bRay The algorithm was used to calculate the daily light extinction attributable to the Riverside 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. 

# • 

# • • • • !::.dv 

## = 10* ext, background 

### +bext, source

# 1 

# • 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 Guidancefor EstimatingNatural Visibility Conditions Under the 

### RegionalHaze Program. The factors for the relevant Class I areas inthe analysis are provided in Table 5-1. TABLE 5-1. MONTHLY HUMIDITY FACTORS 

# • • • • • Class I Area Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov 

### Dec 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 Hercules-Glades 

### 3.2 2.9 2.7 2.7 3.3 3.3 3.3 I 

### 3.3 3.4 3.1 

### 3.1 3.3

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 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 

# • 

# • • • 

# • 5-1 

# • PSO Trinity Consultants Riverside Power Station 063701.0005 

# • •

# •

• • 

# • 5.3 NATURAL BACKGROUND 

# • 

# • Forthe Wichita Mountains, Trinity used default west natural background values. For all other Class I areas, default east natural background values were used. The annual average concentrations are 

# • • • included in Table 2-1 ofEPA's 

### GuidanceforEstimatingNatural 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 (Jlg/m3) Average Annual Natural Background East (Jlg/m3) Ammonium Sulfate 0.12 0.23 Ammonium Nitrate 0.10 0.10 Organic Carbon Mass 0.47 lAO

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 200I through 2003 daily 6.dv values output by CALPOST to a 

# • • 

# • contribution threshold of0.5 6.dv. Ifthe 98th 

### percentile 6.dv values (the 7th 

### highest value, 22nd 

### highest. over three years) output by CALPOST is less 0.5 6.dv, then the source is exempt from BART requirements. Ifthe highest ofthe 6.dv values output by CALPOST is greater than 0.5 6.dv, then the 

# • source is considered subject to BART regulations and must start on a BART-determinationprocess. 

## 5.5 SUMMARY OF CALPOST CONTROL PARAMETERS 

# • 

# • • Table 5-3 provides a listing ofthe CALPOST parameters that Trinity used in the Riverside Station's modeling analysis. In addition to the parameters used for the Riverside Station'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 ISYR Starting year 2001 Appropriate met year Years 200I, 2002, 2003 ISMO Starting month 

### 1 1 ISDY Starting day 1 

### 1 

# • • • 

# • 5-2 

# • PSO Trinity Consultants Riverside Power Station 063701.0005 

# • • 

# •

# •

• 

# • • 

# • 

# • • 

# • • • • • ., 

# • 

# • 

# • • 

# • • • • • • 

# • • 

# • • • • • • 

# •

• • • • • 

# •
• 

# • • CALPOST Variable Description ISHR Starting hour

NPER Number ofperiods to process NREP Process every hour of data? I yes Process species for visibility ILAYER Layer/deposition code; I for CALPUFF concentrations A Scaling factor, slope B Scaling factor, intercept LBACK Add hourly background concentrations of fluxes? LG Process gridded receptors? LD Process discrete receptors? LCT Process complex terraill receptors? LDRING Report receptor ring results? NDRECP Select all discrete receptors IBGRlD X index ofLL comer ofreceptor grid JBGRlD Y index ofLL comer ofreceptor grid IEGRID X index ofUR corner ofreceptor grid JEGRlD Y index ofUR comer ofreceptor grid NGONOFF Number ofgridded receptor rows NGXRECP Exclude specific gridded receptors, Yes =0 Value Included in CENRAP Protocol 0

8760 1 VISIB

F 1

0 iO

F

F
T

F -1

-1 

### -I -1 -I 0 0 Value Trinity Used 0

8760 I



### ,

1

0 0 F

F T F F Varies

-I -I -1 -1 0 VISIB

0 Notes AllCALPUFF periods will be included

As appropriate for Class I area being analyzed



# • • • 5-3 

### PSO Trinity Consultants Riverside Power Station 

### 063701.0005I



# ., 

# • 

# • 

# • • • 

# • 

# • • • 

# • • 

# • • • • • • • 

# • 

# • • • • 

# • • • • • 

# • • 

# • • • 

# • • • 

# • • CALPOST Variable Description RHMAX Maximum RH% used in particle growth curve LVS04 Compute light extinction for sulfate? LVN03 Compute light extinction for nitrate? LVOC Compute light extinction for organic carbon? LVMPC Compute light extinction for coarse particles? LVMPF Compute light extinction for fIne particles? LVEC Compute light extinction for elemental carbon? LVBK Include background in SPECPMC**~** .1culation? particulate • Value Included in

species SPECPMF Fine particulate species EEPMC Extinction efficiency for coarse particulates EEPMF Extinction efficiency for fme particles? EEPMCBK Extinction efficiency for coarse part. Background EES04 Extinction efficiency for ammonium sulfate EEN03 Extinction efficiency for ammonium nitrate EEOC Extinction efficiency for organic carbon EESOIL Extinction efficiency for soil EEEC Extinction efficiency for elemental carbon CENRAP Protocol 95

T T
T

T

T

T

T PMC PM 10 0.6 1.0 0.6

3.0 3.0 4.0 1.0 10.0 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 1.0 10.0 Notes

Notation difference



# • 

# • 5-4 

# • 

# • PSO Trinity Consultants Riverside Power Station 063701.0005 

# •

# •

•• 

# • • 

# •
• • 

# • • •



# • 

# • • • 

# • • • 

# •

• • • 

# • • • 

# • • 

# • 

# • 

# • • • 

# • 

# • • • • • 

# • • • 

# • • CALPOST Variable Description Value Included in CENRAP Protocol Value Trinity Used Notes MVISBK Method 6 for background light extinction 6 6

BEXTBTBK Background extinction for MVISBK = 1 12 Not Used Not necessary since MVISBK=6 RHFRAC 

### % ofparticles affected byRH 10 Not Used Not necessary since MVISBK=6 RHFAC Extinction coefficients for modeled and background hygroscopic species computed using EPA (2003) monthly RH adjustment factors Depends on Class I Area For Caney Creek: 304,3.1,2.9,3.0, 3.6,3.6,3.4,3.4, 3.6,3.5,3.4,3.5 Hercules-Glades: 3.2,2.9,2.7,2.7, 3.3,3.3,3.3,3.3, 304,3.1,3.1,3.3 Upper Buffalo: 3.3,3.0,2.7,2.8, 3.4,3.4,304,3.4, 3.6,3.3,3.2,3.3 Wichita Mountains: 2.7, 2.6, 2.4, 204, 3.0,2.7,2.3,2.5, 2.9,2.6,2.7,2.8 As appropriate for Class I area

BKS04 i Background sulfate extinction coeff

- east 0.23 0.23 Used for HerculesGlades, Upper Buffalo, and Caney Creek BKN03 Background nitrate extinction coeff

- east 0.10 0.10 Used for HerculesGlades, Upper Buffalo, and Caney Creek BKPMC Background sulfate extinction coeff

- east 3.00 3.00 Used for HerculesGlades, Upper Buffalo, and Caney Creek BKOC Background organic carbon extinction coeff- east 

### lAO lAO Used for HerculesGlades, Upper Buffalo, and Caney Creek BKSOIL Background soil extinction coeff

- east 0.50 0.50 Used for HerculesGlades, Upper Buffalo, and Caney Creek 

# • • 5-5 PSO Trinity Consultants Riverside Power Station 063701.0005

# •

• • • 

# • • • 

# • • • 

# • • 

# • 

# • 

# • • 

# • 

# • • 

# • • 

# • • • 

# • • 

# • • • • • 

# •

• 

# •
• 

# •

• 

# • •
• • CALPOST Value Included in Variable Description CENRAP Protocol BKEC Background elemental 0.02 carbon extinction coeff

- east BKS04 Background sulfate 0.12 extinction coeff

- west BKN03 Background nitrate 0.10 extinction coeff

- west BKPMC Background sulfate 3.00 extinction coeff

- west BKOC Background organic 0.47 carbon extinction coeff- west BKSOIL Background soil 0.50 extinction coeff

- west BKEC Background elemental 0.02 carbon extinction coeff- west BEXTRAY Extinction due to 10.0 Rayleigh scattering (l1Mm) LDOC Print documentation F image? IPRTU Print outputunits for 3 concentrations and for deposition LlHR Report 1 hr averaging F L3HR hr averaging 0".00

times F L24HR Report 24 hr averaging T times LRUNL Report run-length F averaging times LT50 Top 50 table F LTOPN Top N table Number ofTop-N NTOP values at each receptor ITOP 

### Ranks ofTop-N 1,2,3,4 values at each receptor LEXCD Threshold F exceedances counts Value Trinity Used 0.02 • Used for Hercules0.12

1 0

. 10

0.47

0.50 0.02

10.0

F 3

F F
T F T F 4 1,2,3,4 F Notes Glades, Upper Buffalo, and Caney Creek Used for Wichita Mountains Used for Wichita Mountains Used for Wichita Mountains Used for Wichita Mountains Used for Wichita Mountains Used for Wichita Mountains

Units preference

Outputpreference


# • 5-6 

# • • PSO Trinity Consultants Riverside Power Station 063701.0005

# •

• 

# • • 

# • • •



# • • 

# • 

# • • • • 

# • • •



# • • • • • • • 

# • • • • 

# • •


# • • 

# .' • • CALPOST Variable DescriPtion Value Included in CENRAP Protocol Value Trinity Used Notes THRESH 1 Averaging time threshold for 1hr averages -1 -1

THRESH3 Averaging time threshold for 3 hr averages -1 -1

THRESH24 Averaging.time threshold for 24 hr averages 

### -I I -1

THRESHN Averaging time threshold for NAVGI hr averages -1 -1

NDAY Accumulation period, days 

### 0 0 NCOUNT Number of exceedances allowed 1 1 LECHO Echo option F F LTIME Time series option F F LPLT Plot file option F F LGRD Use grid fonnat instead ofDATA fonnat F F

LDEBUG Output infonnation for debugging? F F


# • • 

# • • • 

# • • 

# • 

# •

5-7 PSO Trinity Consultants Riverside Power Station 063701.0005

# •

• 

# • • • • • 6. MODEL 

### RESULTS

A summary ofthe top 25 visibility-impairing days at each ofthe relevant Class I areas overthe modeled 2001-03 period is summarized in Table 6-1 to 6-4 below. Shaded values indicate visibility impacts that exceed the 0.5**~dv** 

### threshold for contribution to visibility impairment. 

# • • • 

# • 

# • • As seen in these tables, the 98th 

### percentile values indicate that the Riverside 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 Riverside Station therefore qualifies for exemption from BART. TABLE 

### 6-1. VISIBILITY IMPACT MODEL RESULTS FOR CANEY CREEK

### 2001-03 

### Rank Modeled Background Extinction by Species (%) 

### Year Day 

# • • • • 

# • • 

# • • 

# • • • 

# • • 

# • • • 

# • • 

# • • 

# • 

# • 

# • • • •
6-1 PSO Trinity Consultants Riverside Power Station 063701.0005 

# • • • •

# •



# • ••



# • • 

# •

TABLE 

### 6-2. VISIBILITY IMPACT MODEL RESULTS FOR HERCULES GLADES 

### 2001-03 

# • • 

# • • 

# • 

# • • • • 

# • • • • • 

# • • 

# • 

# • • e, 

# • • 

# • • Rank

25 Background Extinction by Species (%) 

### Year Day

0 0 0.16 0.13 98.78 0 0 0.11 262 11 2003 13 1.28 2002 355 

# • • • • 

# • • 

# • • 

# • •
6-2 

# • PSO Trinity Consultants Riverside Power Station 063701.0005 

# • • 

# •

# •

• • 

# ••
• • 

# • 

# • • 

# • • ••



# • 

# • 

# .' • • .'E 

# • • 

# • TABLE 

### 6-3. VISmILITY IMPACT MODEL RESULTS FOR UPPERBUFFALO 

### 2001-03 

# • 

# • • • 

# • • • 

# • • • 

# • • •• 

# ­ 14 15 16 17 

# • • 98th
24 

# • • • 

# •

• 

# • 

# • Rank Modeled Visibility Impact (Adv) Background**E(~tinction** 

### by Species (%) 

### Year Day PMF

1.27 2001 362 0.55 22

0.234 0.04 98.46 0 1.35 2001 361 0.88 2002 12 0.48 2002 25 2002

2001 340 2003



### 6-3 

### PSO Trinity Consultants Riverside Power Station 063701.0005

# •

• 

# • • • • 

# • • 

# • • • • 

# • 

# •

• • 

# • 

# • • • •

TABLE 

### 6-4. VISIBILITY IMPACT MODEL RESULTS FORWICHITA MOUNTAINS 

### 2001-03 

# '. • 

# •

Rank Modeled Background Extinction by Species (%) 

### Year Day



# • • 

# • 

# '. • 

# • • • 

# • •

• • 

# • • 19 20 0.27 

## a 0.07 21 0.06 99.76 0 

### ercentile 23 

### 24 0.12 96.57 0.06 98.92 0 

### PMC PMF

0.01 0.27 

# • • • •

• • 64 

### PSO Trinity 

### Consultants Riverside Power Station 063701.0005

### ApPENDIX A - 

### EMISSION DATA

PSO Trinity Consultants Riverside Power Station 063701.0005

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

Printed 11/27/2006

Source EmissillnS L.ocation UnUID Conslr. Dale' Hcat DUly (MMBtu/hr) Primary Fuel NO, Ibslhr Emission Dala Inpul TOlal PM,. PM (coarse)' PM (fine)'

Ibs/hr Ibslhr Ibs/hr SO, IbS/hr H,SO. Ibs/hr Source Riverside I Riverside 2 Mar-71 Mar-71 4,684 4,766 Natural Gas Natural Gas 1135.30 96120 46.52 11.63 34.89 31.74 7.94 23.81 3.72 2.54 

## -­

-­ CEMS Data, 712212005 (NO,), 113/2001 (PM 10, SO,), CEMS Data, 3/212005 (NO,), 3/4/2002 (PM 10, SO,), Riverside CEMS data from IIlnOOI to 12/3112005. Southwestern CEMS data from 111/2001 to 12/31/2005, Construction dates and sOul'\:e parameters as listed in Permits 97-090-TV, 2003-36Q.TVR. SW units IN, IS, and 2 constructed outside oflb. 7-Aug-62 to 7-Aug-77 BARTeligibility window. 1 Condensible/filterable PM speciation based on National Park Service guidance for NG-fired combustion turbines. http://www2,nature.nps.gov/air/PermitsiectlcctGasFiredCT.cfm PM lO_,., (filterable) 25% PM',5 (condensible) 75% Stackparameters (English) 1 Location Unit ID Exit Velocity Stack Height Stack Oiameier Stack Temp. Base Elev: fIIsec reet reel Fahrenheit (feel) Riverside 1 53.40 300 18 249 610 Riverside 2 53.40 300 18 249 610 Stackparameters (Metric) Location UnitlD Exit Veloeity Stack Helghl Slack Diamder Stack Temp Base Elev. (m/s) (Ill) (m) Kelvin (melers) Riverside I 16,28 91.46 5.49 394 186 Riverside 2 16.28 91.46 5.49 394 186 5Base elevations obtained from visual inspection ofUSGS topographic maps

'--.

AEP Riverside Page 1 of 1 Trinity Consultants BART Modeling AEP BART Emission Data - CEMS Summary.xls\Modeling Input Data 063701.0005



## ...

# •

• • • • • • 

# • • • • • •

•• •• )5:i;.f.Y....•.... -95.567 

# • 

# • • • • 

# • ApPENDIX 

## B - DATA FILE LIST 

# • • • 

# • LIST OF SURFACE STAnONS

Station No. Longitude Station ID Location (officiallD) Latitude (deg.) (dee.) IKWLD Winfield/Ark. Citv. KS 724502 37.166**-97.0)~** KBVO**Bartlesvill~.** 01<."--

_________----'=, 36.767 72356..5 -96.017

............

.... Childress:._TX:...!.-'-

__....**_.~** _______ 723604**._.~433** .-100.283
lS:GN!L
....__ ChanuUliM!!!,i.!l John. KS___**J..~.9.1\O"_.__~:Jj§7_** ...._ -95.483**~~SM** Clinion-Shenn.ll.Il
. OK
..**_~** __7235?§
__ ..__**35.333.~** __:.2t6!.l_0**~** KDTO Dentnn. TX 33.200 -97.183 7"'2=25""8!..!.9

___**--'~=** 

# ___**-=.!.~C!:-_1**

...... lil Dorado/Goodwin.I).R 93992 33.217 -92.817 KENO Vance AFBlEni.li
. OK**~_.** ____7=2=35=3=5

____

### --== -97.917 36.,133**lS:f..~_9 _~~IDen.nil!Q!)..J.:~t**  _____. __ .___**.-.l?~§LL** 

### ___ ........_}}.2.!.L -96.667

..

## ­ lS:fDR**_.f.~tkr.i£!5.:.** 

### ..QK....._
.. ____ 

### ?f.f.??._
.._ ..___ ..**~~,1.~1.~** ..__. -98.983 KFL.f

__... Flinnin. AR.o

_______...._ ....__. __**5555~.** ____.... 36.30Q

____.....**:9..~~** 

### lS:ITM....... Fort Smith. AE- 13964 35.333"--

___-:9!C4"'.3""6'-'..7_ 

### K.FYY Favetteville!DraJce.,I)..-"R'--

__..____**---"9:=.399~3'__** ____"3!!:6.!!:00"'_0'_ -94.167**I"K~~G!.!CA"'G'--._......-"G"'-al1"'e"__.** 0'=!K-"'--

__, ______.._____**--'1~39~7~5** ___._""_"36,=_3,0=0

____ -_'_9_'_'9.-'.-'76"",7_-1 lS:fffiR .Hobart. OK
. _________**......'.9=-39."-~8'_'6~**___....__**}.~,.Q9.P-'--** __**---'-9'_'_9=.0~Q_** lS::HOT ._....___...**BQt..s..Il.:r.i!'-~"A~** 

### ........__.__.....__...._ ....**..??}.:1:.!.~** 

### .....__....**~:<IA§.?..._** .....**_.....:-""93"-".01\~** ___ KHRO HlID,isonlBoone.Go
..

### _A!L.......

__..____ ._.. 13971_.

___.._ ....**]6.23~** ._:93.117.
...._ .. KTAB McConnell AFB. KS 3923 37.617 -97.267 KTCT Wichna. KS 3928 37.650 -97.433 !'Q!J'l'....... Jonlin**E-~onal.** lyfO
...... 723495 37.1 SO _9A eM KLAW Lawton. OK 99999
.._3.:<1:,'?'{i7 -98.4-'_7_**K.Ie~** __J"jQeral. KS
.... ___.. _ ..............._ ..LU.L!

..._ ...__....._._...HJm_·

____**-:100.9.~** lS:!J:f_
.. Lit1:Ie...B!!£k/Adam!!:.AE-
......._..1.1963. __ 34.733
..._.__**-92.~.~L** ..__... iKLRF Little Rock AFB. AR 723405 34.917 -92.150 KMKO**Mu.~kol1ee1Davis** Field. 0lS:_ 11112 35.650 -95.367 KMLC McAlester Remona!. OK 93950 34.900 -95.783

### ~. KMWT Mella 1ntem@onal M1!f1
.. AR 723435

_ ....**34.5~!l..** -94.217 I!illlCC
.....**_.~'kl.!!h{)ma** 

### (;.i.tv
.**QJL~.** __. __

·_ ........._ ................**_n.~** 

# ......._ ..._._....**~.409.** -97.600 

# • : 

# •• 

# .• • • 

# • • • • • 

# • • 

# •

IKOUN

_ ...._NQ!m.a.!1-Westheitl!!;!',
..Q..K_,

____...._.__..........**Tl351!L............._-».c~}}** 

### .._ .....___. .::.9.1.459
...._**~~__** Me4.icine Lod!!e. KS 724520 37.283 -98.550 iKPNC PoncaCitv.OK I 39i)9. 36.733 -97.100 

# • • l"iK'-!..lP-'-PF'--

__-'P'-"aTS""'"""on"'sIT"-!..!.n,·c C""i""tv'-'..""K""'S

________...:..7-':4S""4""3-'...'

___**.......::3.71~""3** ____ -:..<.95"'.""51'_'7_-I**FiK'-!..lP!!oRX~** ___.-'...P!!!an_",·slCox F(eJ.4.,**T~_.** _____._ 33333 33.633 -95.450**~ROG** ROllers. AR 66666 36.367 -94.100**~SGF Smin2f!~!1i.**  

### 1\19

...._.__.._,,_ __. 1.3.995 -93.383 

### PSO Trinity Consultants 

# • 

# • • Riverside Power Station 063701.0005

# •

• • • • • • • ••



# • • • • • 

# • • • • 

# • iKSLG Siloa""m"-S"'n!'-nn!!!Il""
..!.:A"'R'--

___. __ __**~7'-'7'-'-7-'-77'--** ___.-'3=6.1.'_"8=_3

__............:94.483
__ [5:SPS Wichita Falls. TX 13966 33.983 -98.517**~SWO** Stillwater. OK 11113 36.150 -97.083 iKTBN**Fort~nard** Wood MO 724457 37.750 -92.150
.__ iKTTK TinkerAFB. OK 723540
.... 35.417**.~.,~!Q_ ~TI.~L._.**  McKinnev. TX

___._..__**2~.6?~** 

### ____**-"3~3_"__18:'_'3:.........**___**-?6.5~.L_** iKTUL Tulsa Tnt. Ajmort:. Of( 13968 36.200**-95.~~.~** .....__.. :K.TXK
......._ ......**I~l!.alJsana ~!ll!ional.**  TX:

................._._____.......Jl-'--'97c.:.7

__.•

__**1?A~Q._.** -94·9.QQ
........_ KVBT Ben!I.l.!!ville·.AR

____..____•...**_!.!.~.888 J.!i:.l~..Q**  

### .._... -94:

### 6 11...
__ KWDG

___ 1:l.n!Ql.FI.l..Q.cirinll. OK KADM Ardmore Municinal. OK 723SSS 34.300 -97.017 

# • • • • • • • 

# • • • • 

# • • • • • 

# • LIST OF PRECIPITATION STATIONS Cooperative Latitude Longitude

station ID 30130 _.......::.Ac.;:L:..:;UM. FORK 30178 ANTOiNE AR 34.020 -93.250 Location/name State**,-"'#~,--,--"-.---** ..**----~,,#_-"'---.-.---~.-,~~"'** ..**---~-,---** ..­ 30220

____ ..__**A~.!?.~hfHIA.~..!:L** ........._ ..........___... _ ....**~~** __..**~:I:Q2Q** .... __ -9::..:3:.:;.0:::3.:::..0_ BATESVILLE LIVESTOCK 30458

..._ .......................:...A;:::.R'--_ 35.500 -91.460

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

-93.180

32300 EL DORADO GOODWiN FD

_ ..

# __..

# __.. AR 33.130 

### .._--_.. -92.490 32356 EUREKA SPRINGS 3 WNW AR 36.250 -93.470 32444 FAYETIEVILLE EXP STN AR 36.060 -94.100 32489 FERNDALE6E AR 34.460 -92.270 32544 FOREMAN AR 33.430 -94.230 32574 FORT SMITH MU, OK AR 35.200 ·94.220


### PSO Trinity Consultants Riverside Power Station 063701.0005 

# •

# •



# • • • • • • • • • • • • • • • 

# • • 

# • • • • • • • • • • • • 

# • • • • 

# • • 

# -.

• • 

# • • • 

# • • 35.590 -92. 34.120 -94.150 AR 35.310 -92.000 ,"
..**---~-~--,** AR**F~** ____**~W_S_ON_I_AA** __

AP=-

______**~'-'--_** 36.160 -93,090 AR 36.040 -93.450

..-.--------..­ .......**~=~** 

# ____**~L~E~W~IS~V~I~LL~E~** ________ AR 33.220 -93.340 AR 34.500 -92.160 !=-"::..:.:::.

___---=Nc:"ORTH UTILE**ROCKJMUNICI::;,P.:.:A=L_.-:;,,;:,::.::......_--=.~=-=-** __**-"-=:.:..:.::-=---~** 34756 AR 34.340 -94.160 34839 -93.590 AR 34.320 34988 MOUNT IDA 3 SE**--,-~~,----------,-,----,-------'-~--~=-'--** -93.350 AR 34.090 -93.430 12 AR**~?'?'Q_O** __ "",_",_"",_"_"_,,,N_IM_R_O_D.P=-A:..::M::.::..

_______**,,,.;;,,:;,:~,** -93.100 35228 35320 NORTH LITILE ROCKJMUNICIPAL AR 34.500 -92.160**-,--.~---------.---~-** ""-----­ 35602 AR 35.570 -93.150 35754 PINE BLUFF AR 34.140 -92.010

Fl...::42::.:1c:::64-'--

___**:QO-'--DG~E-'C'_'_IT.=.Y~M_U--',_K-'S**___,_,____ K_S_,

___ 3_7,.46.0_,

__ -22..:580 142432 ELKHART KS 37.000 -101.530 FI4,,:,,:2:.:,9-=-80"---

__---=:GARDEN CITY EXP STN KS 38.000 -100.490 143954 143984 KS 37.170 -9S.330
KS 37.390 -97.260**"".,~''''---.,--** F1.:4,S""'S:::,:30"---

___ W=ICHlTA KS. 230789 MO 36.470 -92.140 -,-,_...

### _._..

# __._'

........ F2,;:,:32::::3..::.02=--

___**=DQ~_.,** __,_________,**F2"-34=3~15'-** ____JQPLIN M_UNICIPALA"-p

_____,MO 37.090 -94.300 234544 MO 40.120 -92.340 234825 MO 37.410 -92.420 MO 37.330**F2"-34~9o-'-19"---** ___LICKING 4,.;.N

_________..:..:.:.:"--_.....: -91.530
MO 37.200 -92.550

----.. "",---,--_

.._-,­ MILLER I E:...........

___, MO 37.130 -93.500 """""_,,,·

___**,,,,~_,,,,,,_~** ___•••

__**~~u,** o:=.::..:.:-_:;,."",,

__**---'O::.:Z:::A,_~_B_Et\CH** MO 36.400 -93,OSO 

### PSO Trinity Consultants Riverside Power Station 063701.0005--- -91.320

MO 37.140 -93.230**.--"'''~-,~''''-** 

### f.379.?§_..__**SPRlN9..~I.I.!!::Q(MY.N·** MO
.... F-:":":::=-"'" .._ ...•..**~J_O_CIS.!'9~_D_AM** .........____ MO 37.420 -93.460 MO 36.360 -93.180 ,,,,,-, ..,.""""""-""""" ...**---~.~-,-,--.**

.......__ . ___gK_
....._3_4_.35_O'

__..-.::-99.200 OK 34.100 -97.080 OK 36.450 -96.000

,.,.,.. " ...**,-.-~-,~** ..

### ---.-

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

OK OK 35.030 -97.550 '-"--

__ -97.580

_ ......__.........9K=--_.....:;36.180

__....;:-9;..:.9..:....4:..:.60.:..., -98.190 OK 36.450 -98.080

,..

### --
...-....**---~--** ..... "..**~.,** .. ,-,.,..... ...

## ---...... 

## ..=.:==...___..._ ....___-'O:..;:K:::......-_ 35.290 -97.400

.c::. "--
__ 

# • 

# • • • 

# • • • 

# • 

# • • • • 

# • • • • 

# • •

3455_89
__**......M1!!:.~!fA_LL._** .._.._.__...._ ..___....__9_K

__**.~§:Q~Q_._.:2_7._3?Q.** 345664 MCALESTER MUNI AP

___**.......:::OK._~~.:~~Q._~_** -95.470
346485

___.......::..NOWATA=--

__....._ ...................___. __.........::.O.::.:K:..... 36.420 -95.380 346616 OILTON 2 SE OK 3c.:: 6 0

...:. 40 -96.340 ---::.=-............**-~.-~** .... -- ...................**~--** ..-....::..::.=-­ 

# :. 

# • • • • 

# • • • 

# • • • • 346944 PAWNEE 5 N OK 36.240 -96.490 .:....;..:.-_..

# _ ..

### _._..............

## _ ................

# __......_ .._-- .--="'--_

..__.._.........__._.........-'-=..:...;..:.--1
3474.:..:1.::.2

___--=..:RANGE

____......._.........._ ....__. ____ O_K.
___...._.}§}_3_0

___**._:}.9"!:~Q.** 347660
. ___**....: RI-=--V=E~S.ID** **~.4:'Y** ___ .........___..__**O_~_** .. __..._.1.§,4.?9

___ - !gg.2SQ
...

348992 349404**!Y~Y!':IQ..KA** . __....._____.......**_O_~.** __ 36_.3_2_0
........**_-=?.~** 

### ..530 349629 WICHITA MTN WL REF

____-'OK 34.440 -98.430



### PSO Trinity Consultants Riverside Power Station 063701.0005 

# .• • 

# • • • 

# • • • • 

# • 

# • • •


# ..--_.

# __..

### _-------------------_.**~---** _c:::C.:::LA:..:RK=S::...V.:...:I=L=LE=_:I:.
. ..:..;W'---

_____.TX _.___**3~3_.3.?Q___** -95.01.0 COMMERCE

____ T**~X=-** __**3~3~.l=2.o~_~-9~5.~56~.o_1** TX 3.0.2.00 -95.29.0 p=..:.::........

___----'D::.:Ac::L::.:L:::.A:.::S:....:-F:...:O:..:R.:.:Tc....:V!..._O_RT_WF_OR_T_.**T.~:** ___ T_X

___ 32_.5_40

___._.....::?.7.:'OI.o DALLAS LOVE FIELD _._,---­ _T..:.:X:..::.-_--=.;32:::.::..:51.• Q.

...._._............**:2.~.:.?** 

### . .!.Q DENTON 2 SE

_ .._-----_._-_. TX 33.12.0 -97.06.0

................................. FORT WORTH MEACHAM F TX 32.49.0 -97.21.0 

### r==..:.:

__. __ F_O_RT WORTH WSFO TX 32.5.0.0 -97.18.0**FruSC~O,---** _______ TX 33
..090 -96.49.0 TX 32.57.0 -97.03.0**HERE!'.Q.~_** ..._____. __._...__......_ ...__ 1](.=--_-=-34:.:...4.:.:9O.::...-

__ -:..:1O=2:.::.2.:..4.0, HUNT I.oW

________...::T.:..:X'----_-"-3.o
..o30 -99.31.0 _.....::.::JA...::..C::.:Kc:::S:::::B:...:O:..:R.:.:O'--

_______--'-T:..:X

__..::.;33.14.o=---_........:;.9...::..8:::.
.**.o:...:9.o~_1**

.___**.~_** ..._._.._. LEXlli.<LT..9N

_ ....____ 

### __IK

__**.~Q)5.o** -97
..010 LUBBOCKJLUBBOCK INTL TX. TX 33.39.0 -101.490

.... __......._ ....-...____.........._._......_ .........._ ..__._________ "

...,.."_"""""'_"""**uu._._._~.** MIDLOTHIAN 2 TX 32.290::..:::....

__-'-9:..:,7.:..:.0.:::...0.0, MINERAL WELLS MUN AP TX 32.47.0 -98.04.0 MOUNT PLEASANT TX 33.1.0.0

TX 33.11.0 -102.5.0.0 TX 32.15.0 -98.12.0**_'---S::.:UL=PHU~§I'~_Ci§** .. ______ T.:.:X'-"-_-=:::33:..:
..o""9c:::0

___ -..:::.9::...5 .::...38:::;.0'-----1

......__....___ T_E_Jq\RKA_N_A ••..•

__. ______--=.T=X 33.2::::5::....0

___ .9::._4:.::: .0.:::..5.0::..........---1 WEA**I!f_E_RF_O_~_** ............__. ____....**I~** ......._ 32.45.o"--_...........c. 9 :..: 7 .:...:.4.:::..60::..........-J WICHITA FALLS/SHEPS AFB TX TX 33.59.0 -98.3.0.0



### PSO Trinity Consultants Riverside Power Station 

### 063701.0005

# ·••••••• •••••••••••••••••••••••••••••••••••**~**
List of USGS Terrain Files (1-deg format) t·
37 36 35 34 33 Dodge Cily-E PraU-W Pralt-E Wichita-W**Wichita~E** Joplin-W Joplin-E SpringOeld-W Springlield-E Rolla-W I PcrrylOn-E Woodward-W Woodward-E Enid-W Enid-E Tulsa-W Tulsa-E Harrison·W Harrison-E • Poplar BluJT-W
Plainvicw-E Clinlon-W Clinton-E Oklahoma City-W Oklahoma City-E FortSmilh-W Fort Smith-E Russcllvillc-W Russcllvillc-E**Mcmphis~W** Amarillo-E LaW1on-W Lawtoll-E Ardmorc-W**Ardmorc~E** Me Aleslcr-W Me Alcslcr-E Link Rock-W LiUle Roek-Il Helena-W
Lubbock-E Wichita faUs-W Wichita FaU.-E Shcrman-W Sherman-E T**cxarkana~** W Tcxarkana-E EI Dorado-W

--­ EI Dorado-E Grccnwood-W 101 100 99 98 97 96 95 94 93 92__ 

# ...•••••••..**·.'~I!**

# •••••., •.•".:'. • .•**~.·,.·** 

# •.•• ;.i
List of USGS Land Use**Lan~** 

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

38.S
37.S
36.S
3S.S

### ~ .,

# I 34.S Dodge City Pratt Wichita Joplin Springfield Rolla
Perryton Woodward Enid Tulsa Harrison Poplar Bluff

Plainview Clinton OklahomaCity Fort Smith Russellville, Conway, Flygap Mountain, Mountain View Memphis)

Amarillo Lawton Ardmore Mc Alester, Antlers, DeQueen, Mena Little Rock Helena

Lubbock Wichita Falls Sherman Texarkana El Dorado Greenwood 102 100 98 

### 96 94 92



# I

. ,.

# ~**~**

,r.;<**~:";·~·_~"t~t~~~t~~-ii~~,** ••**/u",!,~,:,~,_·~U:~,i~~~-~~O:d.-~--Jj:~_~~~~:;;A.I&~~- ~4..** **,~.,,"-~,~.JO::.ir;!,, r,~;c** 



# .e 'jr, 

# .',
ApPENDIX 

## C - MODEL INPUT/OUTPUT FILES 

# i_.

....**),~,:** '. 

# e.""
'

. . . 

# .

, ...**~**



### PSO Trinity Consultants Riverside Power Station 063701.0005