AQ_F_0400056_20160908_ST_RvwLtr

PAT MCCRORY
Governor
DONALD R. VAN DER VAART
1 .. secretary
Air Quality SHEILA C. HOLMAN
ENVIRONMENTAL QUALITY Director
8 September 2016
Herb Jeans,Director of Technical Field Operations
Piedmont Natural Gas,Inc.
PO Box 33068
Charlotte,North Carolina 28233
SUBJECT: Central Office Review of Source Test Result- Source Test for the Four-Stroke Lean
Burn Natural Gas-Fired Emergency Generator(880 hp) Source ID No. EG01
Air Quality Permit No. 10097ROI
Piedmont Natural Gas, Inc. - Wadesboro
Wadesboro,North Carolina,Anson County
Facility ID: 0400056 Fee Class: Title V
Dear Mr. Petchul:
The Division has reviewed your source test report that was received by our Central Office on
5 July 2016. This report was from the 40 CFR Part 63 Subpart ZZZZ and NSPS Subpart JJJJ(CO,NOx,
and VOC) source testing of four-stroke lean burn natural gas-fired emergency generator(880 hp)(ES ID
No.EGO 1),which was conducted on 12 May 2016. On 1 September 2016,this Division determined that
the subject testing performed at your facility was an acceptable source test. The review indicates that
compliance with Air Permit No. 10097ROI is indicated for these sources. A copy of the determination
memorandum issued by Mr. Gregg O'Neal, of the N.C.Division of Air Quality, Stationary Source
Compliance Branch, is attached.
Should you have any questions regarding this matter, please contact Mr. Jeffrey Cole,
Environmental Engineer, at(910)433-3300, in the Fayetteville Regional Office.
inc rel ��
Steven F.Vozzo
Regional Air Quality Supervisor
Fayetteville Regional Office
SFV\caj
Attachment: DAQ RCO review(1),dated 1 September 2016 [2016-087ST]
cc: ❑ FRO Files(w/attachment)
State of North Carolina I Environmental Quality I Air Quality
Fayetteville Regional Office 1225 Green Street,Suite 714 1 Fayetteville,NC 28301
910 433 3300 T 1 910 485 7467 F

Anson County
i
DIVISION OF AIR QUALITY
Technical Services Section
September 1, 2016
MEMORANDUM
ki
To: Steven Vozzo, Fayetteville Regional Office FAYETTEVILLE REGIONAL OFFICE
From: Gregg O'Neal, P.E., Stationary Source Compliance Branch (SSCB)
Subject: Piedmont Natural Gas Company, Inc. —Wadesboro Compressor Station
Wadesboro,Anson County, North Carolina, Air Permit No. 10097T01
Facility ID 0400056, Tracking No. 2016-087ST
Nitrogen Oxides, Carbon Monoxide, and Volatile Organic Compounds
Emissions Testing of Natural Gas-Fired Spark Ignition (SI) Emergency Generator
Emission Source ID No. EG01
Performed May 12, 2016, by Air-Tech Environmental, LLC
Air-Tech Environmental performed EPA Methods 7E, 10, and 18/25A for nitrogemoxides (NOx),
carbon monoxide (CO), and volatile organic compounds (VOC)emissions, respectively. EG01
is a four-stroke lean burn natural gas-fired spark ignition lean burn emergency generators
engine (804 rated horsepower, 600 kW) manufactured new after July 1, 2010. SSCB has
reviewed the testing and the results are acceptable to demonstrate compliance with the
applicable standards. The engine was last tested May 21, 2013, and has not operated 8,760
hours since.
40 CFR 60 Subpart JJJJ Standards of Performance for Stationary Spark Ignition Internal
Combustion Engines and 40 CFR 63 Subpart ZZZZ National Emission Standards for Hazardous
Air Pollutants for Reciprocating Internal Combustion Engines(RICE)applies. 63 Subpart ZZZZ
requires that the facility meet the requirements of 60 Subpart JJJJ. 60 Subpart JJJJ establishes
NOx, CO, and VOC limits in parts per million by volume dry corrected to 15% oxygen content
(ppmvd@15%05 or grams per horsepower-hour(g/hp-hr). The test results and emission limits
are listed in the following table.
Results Tablet: Emergency Generator EGO1
Actual
Power
Source ID/ Outputl EPA
(Date) (%of Max) Pollutant Method Test Results Emission Limit Standard Compliance
1.0 g/bhp-hr 2.0 g/bhp-hr 60 Subpart Indicated
NOx 7E 58 ppmvd@ 15%02 160 ppmvd@ 15%02 JJJJ
EG01 736 hp 1.8 g/bhp-hr 4.0 g/bhp-hr 60 Subpart
(OS-12-16) 549kW CO 10 174 ppmvd@ 15%02 540 ppmvd@ 15%02 JJJ p Indicated
(91.5/o)
voc 0.1 g/bhp-hr 1.0 g/bhp-hr 60 Subpart Indicated
(NMOC as C3Hs) 18125A 15 ppmvd@ 15%02 86 ppmvd@ 15%02 JJJJ
Note: VOC means non-methane organic compounds(NMOC)as defined in 40 CFR 51.100(s).
Compliance was indicated for emergency generator engine EG01 with 40 CFR 60 Subpart JJJJ,
for NOx, CO and VOC emissions. If there are any questions concerning this matter, please
contact me at(919) 707-8415 or greag.oneal(aa ncdenr.gov.
cc: Central Files, Anson County
]BEAM Documents— Facility ID 0400056