# .liAR &.

# 62006' 

# Georgia Department of Natural Resources Environmental Protection Division. Air Protection Branch 4244 International Parkway. Suite 120 • AUanta • Georgia 30354 

### 404/363-7000. Fax: 404/363-7100 Noel Holcomb. Commissioner Carol A Couch, Ph.D., Director 

# .r MeMORANDUM:

. TO:

. Karen Hays 

# tii;) THftOUGH: Ross Winne, Dehnna Oser

### ~ FROM: Dave Sheffield

## lJ

# <;

# P SUBJECT: SOURCE TEST REPORT REVIEW The following test hll\s been reviewed and was conqucted in an acceptable fashion for the purpose intended

.

.. 

### COMPANY NAME Southern Natural Gas-Wrens Compressor Station COMPANY LOCATION Wrens.GA SOURCE .·TESTED RICEMACT 

## .....-- C/)/)5 POLLUTANT DETERMINED Carbon Monoxide REPORT ,gEVIEWED BY Dave Sheffield TEST WITNESSED BY Dave Sheffield DATE(S) OF TEST December 19.2007 DATE RECEIVED BY APB February 7. 2008 MAXIMUM EXPECTED 3530 Horsepower OPERATING CAPACITY OPERATING CAPACITY 3294.33 Horsepower ALLOWABLE EMISSION RATE 93% ORE APPLICABLE REGULATION 40 CFR Part 60 Subpart

## ZZZZ

- RICE MACT; Permit 4922-163-0028-V-02-2 CONTROL EQUIPMENT During the tests, the average catalyst 

### bed inlet temperature was 784.33 degrees F. AND MONITORING DATA andthe average pressure drop across the bed was 3.23". Engine monitoring data during the tests, as per permit condition 5.2.4, was average RPM of 998.67, averagesuctiQn pressure of63.67 psig, and average discharge pressure of 1092.67 

### psig.

. TEST RUN 

### # 1A 1B 1C AVERAGE GAS TEMPERATURE 

### Inlet to 

### C (OA 

### Outletfrc GAS MOISTURE Inlet to 

### C ,. 

### (%) Outlet fr{ GAS FLOW RATE Inlet to 

### C (ACFM) Outlet fr< GAS FLOW RATE Inletto 

### C (DSCFM) Outlet

### fre: POLLUTANT CONCENTRATION Inletto 

### C 253.20 251.58 246.84 250.54 (PPM 

### @ 15% 02) Outlet fre 13.63 13.37 13.30 13.43 EMISSION RATE Inlet to 

### C 0 (N/A) Outlet fr( DESTRUCTION

. 94.638 EFFICIENCY (%) 

### OTHER INFORMATION

cc: Ross Winne Reference Number: 200800187 The RICE MACT requires that the catalyst bed percent reduction be tested by measuring the carbon monoxide concentratin before and afterthe bed. Consequently, the airflow was not measured. The minumum reduction is93 percent.

AIRS Number: 16300028 Printed: 3/3/2008

### TEST**~EP()RT** 

### TRANSMISSION 

### SUMMARY (Submit separate summary sbeet for each pollutanttest report)
Submit to: ISMP Database

, Ross Winne, Program Manager

Industrial SourceMonitoring Program 42441ntemational Parkway. Suite 120 Atlanta, GA 30354


### Wrens Compressor Station 

### ....**.f~.i!. ~!!~}!l..1!** **~~!'!-:h.** !l:s

..**e.l}~1y** 

### J.

... .... No. ;( 00

## ¥ 0 Ii I**~** 7=

Facility Name:

--------------------------------- Highway 17 North Facility Address: Wrens

("Iy 30833

.Facility**Contact~: ~R=an.:.::d:.i..y.:.;B.:.;ut:..::;;ts:..._** __________ _ Phone No. 706-547-2135



### PART A

Emission Point (one only): Emission Unit C005 / Oxidation Catalyst
Carbon Monoxide (CO) Reduction 12119/07 Pollutant (one only): Date test performed,;...:

____ _ Applicable Rule(s). Rcgularion(s) or Permit Conditions: permit #**4922-163-002&-V.Q~-O** Condition 4.? 2 (Anpual) (Indicate Permit # and Condition #'s)
Maximum expected Qperating capacity:. 100% 

### load. plus or minus 10010**~----~~-------------~--~-------** Avcrage load 

### fur 3 

### runs
- 93.32% (see data summary page) Operating capacity during test: Computed allowable 

### emission ratc(s) or limitation(s): Reduction 

### QfCarbon Mqnoxide 

### {COl by 

### 93% or mQre (Determined for each applicable 

### rule. regulation or 

### perrni( condition 

### using same units) Reported emissions to atmosphere: % reduction across the catalyst for the average of3 runs equals 

### 94.64% (st!t! data summary page) (In same units as rule. regulation or permit condition) 

### The test report sbould include a compilation ofall CEMS data, confroldevise parameters and process operating data related to the test.
PARTB
Foraoy facility operating under a Part

### 70 Permit, Condition 

### 8.8.3 ofthat permit requires the following certification should be signed. by a responsible official and included with the report: li,. 

### I 

### certify that based on my

# informati~'and beliefformed afterreasonable inquiry, the statements and infonri,pon in this report are true, accurate, and complete.

# ~s**t!L~ ~d** **~r.oIY/ko(/~** 3-:5-(8 NAME SIGNATURE TITLE DATE

Rev. 05130106

# RECEIVED February 6,2008

Mr. James Eason 

### AIR PROTECTION BRANCH Stationary Source Unit Manager Georgia Environmental Protection Division 4244 International Parkway Suite 120 Atlanta, Georgia 30354
Re: Southern Natural Gas Company Wrens Compressor Station, Jefferson County Title V Permit No. 4922-163-0028-V-02-0 Annual RICE MACT Compliance Test Results
Dear Mr. Eason: A/southern 

# e Natural Gas 

# P
anEI Paao company

Attached are tables ofresults of the Annual RICE MACT testing at Wrens Compressor Station. CO tests were performed on-site December 19, 2007, using a portable analyzer for Emission. Unit C005 (Compressor Engine No.5). As shown on the following table, all average results are within permitted limits.
I certify that based on information and belief formed after reasonable inquiry, the statements and information in this document are true, accurate, and complete.
Ifyou have any questions, please contact Mr. Wayne Parrott at 478-477-1221 ext 2024. 

# ve;;;AL

Thomas C. Dender Director. Southeast Division EWPbg
UPS No.: 1Z 334 569 02 9258 9935

Cc: US EPA Region IV Air and EPCRA Enforcement Branch Sam Nunn Atlanta Federal Center 61 Forsyth Street, SW Atlanta. GA 30303-3104
UPS No.: 1Z 334 569 02 94274888

Southern Natural Gas 1900**5~** Avenue Birmingham. Alabama 35203 PO Box 2563 Birmingham. Alabama 35202.2563Emission Unit COOS (Compressor Engine No.5) Wrens Compressor Station Permit No. 4922-163-o028-V-02-o Date Tested: December 19, 2007 CO Results CO Permit Limit Percent Reduction Across the Catalyst Run #1 

### 94.62 Run #2 

### 94.69 Run 

### #3 94.61 >=93.00% Average 94.64INSTRt.renIONS •NO

.. N02

..... __ tobitcalibrated priorto8lattorW&1IflC8llon dala collection.

• I'rooIdIne- hlllOI1caI

__nat .""'1 allowing the.

__orW&1IflC8lfon, lindprior 1O"'11Ing theflnlt

_ nm••lIInIIlflcaUon

__ortheUIlauoIINck

_ becomplated. Data mustbe00I1ected at IOcallons orlG.7'l1., 5O%..nd83.3% or the .....-_I_to

## ""ow lllatlhe

.... _ COII_ba\lon.do not ""IY by m_1henn.. To 4ICCOft1I)I1aI> Ill", In_\he

_ pralle InlOthe

.......UIII_attheflnlt 

# 1rI_poInl ond

....11 tor\he

.... dln"" 10_1IIze (at_twolimesthe_lime_Inedonthe cal Etror lab). CoIlacI_(CO, NO, N02, lind02)for. periodor 5 mlnlJlea.nd --"on

_ form.

.... peal \he proceao oboII8lorlhe

_ two Ira_poinlS. 11_"""taUs

_ S%.1hen

_ \eot

...... con beumpledatelllngle tillpoInL • not,

....._ run mUll! be umpiedat\he

# _1rI_ pointe Rated oboII8.

# '.

·'<CO<RRm "'••**<~~;'** 21.00 11.80 11.80 21.00 11.80 19.00 11.70 21.00 11.80 20.00 11.80 22.00 11.80 20.00 11.80 21.00 11.80 21.00 11.80 22.00 11.80 21.00 11.80 21.00 11.80 21.00 11.80 21.00 11.80 21.00 11.80 22.00 11.80 21.00 l'.S0 22.00 11.80 21.00 11.80 22.00 11.80 21.00 11.80 22.00 11.80 20.00 11.80 21.00 11.80 20.00 11.80 21.00 11.80 20.00 11..8 21.00 11.80 20.00 11.80 21.00 11.80 20.00 11.80 21.00 11.70 20.00 11.80 20.00 l'.S0 20.00 11.80 20.00 11.80 21.00 11.80 21.00 11.80 21.00 11.80 21.00 11.80 21.00 11.80 20.00 11.70 21.00 11.70 20.00 11.70 20.00 11.80 20.00 11.80 20.00 11.80 20.00 11.80 21.00 11.80 20.00 11.80 21.00 11.80 20.00 11.70 21.00 11.80 20.00 11.70 20.00 11.70 20.00 11.80 21.00 11.70 20.00 11.80 21.00 11.80 19.00 11.90 21.00 11.80391 11.6 389 11.7 389 11.7 388 11.7 388 11.7 391 11.7 391 11.7 387 11.7 389 11.7 388 11.7 391 11.7 392 11.7 389 11.7 389 11.7 386 11.7 387 11.7 385 11.6 389 11.7 387 11.7 387 11.7 386 11.7 384 11.7 386 11.7 387 11.7 386 11.8 388 11.6 387 11.7 389 11.7 385 11.7**;·CA~) ';t~l"**  

### ,;.·'OiC;:i:", 21.00 11.70 

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## : 20.00 11.70 

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### L 21.00 11.70

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### t·,. 21.00 11.70



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# . 20.00 11.70 20.00 11.70**f"~**

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## Y./·

. .• ".' 

### ":'

### GAS COMPOSITION IBased onEPA standard conditions of 14.696 osia and 68 F 

### Constituent 

### 1<**·Mol~flacttont** 

### 1M 

### welahtedMW

NITROGEN 0.3714 28.0134 10.4042 CARBON DIOX. 0.6739 44.01 29.6583 METHANE 97.0638 16.04315 1557.2091

..

ETHANE 1.5348 30.0703 46.1519 PROPANE 0.1844 44.0975 8.1316 I-BUTANE 0.0432 58.1246 2.5110 N-BUTANE 0.0489 58.1246 2.8423 I-PENTANE

.. 

### 0.0214 72.1518 1.5440 N·PENTANE 0.0144 72.1518 1.0390

HEXANE 

### + 0.0438 95.958 4.2030 100.0000 

### MW 1663.6944 Upper Dry Heat Value btu/dscf Mole Weight

Low Dry Heat Value btu/dscf EPA F·Factor (calc) Specific GravIty -2.8717 Density 4.4168 Ib/scf

C+Hl4 

### 201.7683
Total Carbons 101.5273 Total H 

### 400.9639

### ORIFICE FLOW CALCULAnONS Run Number 1 2 

### 3 SupplY Pressure (PSIG) 0.00 0.00 0.00 Differential ("H2O 0.00 0.00 0.00 Temperature (OF] 0.00 0.00 0.00 Fuel Flow seth) Fuel Flow setm) #VALUE! #VALUEI #VALUE! PIPE 1.0. 0.00 0.00 0.00 

### ORIFICE 1.0. 0.00 0.00 0.00 

### PRESS TAP? (1-UP 2-0N) 0.00 0.00 0.00 

### SP. GRAVITY -2.87 -2.87 -2.81 BETA #OIVIOI #OIVlOI #OIVlOI K #OIVlO!· #OtVIOI #OIVIOI K1 #OIVlOI #OIVlOI #OlVIO! Be #OIVlOI #OIVIOI #OIVlOI E #OIVIOI #OIVIO! #OIVlOI kflanQ #OIVIO! #OIVlO! #OIVIOI Ko #OIVlO! #OIVIO! #OIVlO! 

### Fb #OIVlOI #OIVlOI 1I0lVlOI BS #OIViOI #OIViOI #OIViOI Fr #OIViOI #OIVIOI 10lVIOI 

### Fpb 1.00 1.00 1.00 

### Ftb 1.00 1.00 1.00 

### Ftf 1.06 1.06 1.06 

### FG #NUMI #NUM! #NUMI Fpv 1.00 1.00 

### 1.00 R #OIViOl 10lVIOI 10lVIOI QY 

### #lOIVlOI #OIVIOI #DIVIOI C 

### #OIVIOI #OIVlO! #OIVIOI Qfh Qfm #VALUEI #VALUEI #VALUE! K1 for BETA 

### < 0.5 #OIVlOI #tOIVlO! #OIV/O! K1 for BETA> 0.1 #OIViOI #OIVlOI #DIVlOl QY 

### (DOWNSTREAM TAP) #OIViOI #tOIViOI #OIVlOI Atm. Press for cales (psia) 0.00 0.00 0.00

### DENSITY 

### 0.07433 0.11677 0.04256 0.07978 0.11700 0.15422 0.15422 0.19144 0.19144 0.32146 Carbon Wt. %; 

### 0.737848 Hydrogen Wt. 

### %: 

### 0.242936

Oxygen Wt. 

### %: 0.012962 Nitrogen

# wt. %: 

### 0.006254 1.0000

1663.6944 btu/dscf**---#~V"":"AL~UE~I**

### --dscfIMMbtu

HHVideal



### 1010 1769.6 2516.1 3251.9 3262.3 4000.9 4008.9

5278
b(i) 

### 0.00163416 0.01327583 1.12594008 0.03668172 0.00634336 0.00197856 0.00233742 0.00124334 0.00090864 0.00351276 1.19385587 HHV(i) ideal 

### 0 0 98034.438 2715.98208 463.96884 140.48208 159.52647 85.61926 57.72816 231.1764 HHVreal

Compressibility 

### -19.99454878

# ~ 0 -4903.06 -135.84 -23.20 -7.03 -7.98 -4.28 -2.89 -11.56 -5095.832 glbhp-hr 

### Iblhr ppm 2 Calculated Panel Heat Rate Curve782.30 782.40 782.40 782.40 782.40 782.50 782.50 782.50 782.50 785.90 785.90 786.00 786.00 786.00 786.00 786.00 786.00 786.00i>