AQ_F_0400056_20190802_ST_RvwLtr

ROY COOPER
6 �
Governor
MICHAEL S. REGAN
Secretary -
�'
MICHAEL A.ABRACZINSKAS NORTH CAROLINA
Director
Environmental Quality
2 August 2019
Adam Long
Director Gas Pipeline Operations
4720 Piedmont Row Drive
PNG 08B
Charlotte, NC 28210
SUBJECT: Central Office Review of Source Test Results: Four-Stroke Lean-Burn
Natural Gas-Fired Emergency Generator, Source ID No. EG01
Piedmont Natural Gas - Wadesboro Compressor Station,Air Permit No. 10097T02
Wadesboro,North Carolina, Anson County 06/0400056
Fee Class: Title V
Dear Mr. Long:
The Division has reviewed your source test report that was received by our Central Office
on 1 July 2019. There was one report 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 (ES ID No. EG01), which was conducted on 8 May 2019. On 15 July
2019, this Division determined that the subject testing performed at your facility was an
acceptable source test. The review determined that compliance with the applicable emission
standard is indicated for this source. A copy of the determination memorandum, issued by
Mr. Brent Hall, 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, or myself, at(910) 433-3300, in the Fayetteville Regional Office.
Sincerely,
Heather S. Carter
Regional Air Quality Supervisor
NCDEQ, Division of Air Quality
HSC\jdc
Attachment: DAQ RCO review(1), dated 15 July 2019 [2019-093ST]
cc::] FRO Files(with attachment)
North Carolina Department of Environmental Quality I Division of Air Quality
Fayetteville Regional Office 1 225 Green Street,Suite 7141 Fayetteville,North Carolina 28301-5094
e oanicua,vgD'E 910.433.3300 T 1910,485.7467 F
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DIVISION OF AIR QUALITY RECEIVED
July 15,2019 JUL 22 2019
MEMORANDUM
DEQ*FAYET7EVILLE REOIDNA6 OFFICE
To: Heather Carter,Fayetteville Regional Office Supervisor
From: Brent W.Hall, Stationary Source Compliance Branch(SSCB
Subject: Piedmont Natural Gas Company—Wadesboro Compressor Station
Wadesbom,Anson County,North Carolina
Facility ID 0400056,Air Permit No. 10097T0I
Nitrogen Oxides, Carbon Monoxide, and Volatile Organic Compounds
Emissions Testing of Natural Gas-Fired Spark Ignition(SI)Emergency Generator EGO
By Mostardi Platt,May 8,2019
DAQ Tracking No. 2019-093ST
Mostardi Platt performed EPA Method 320 for nitrogen oxides (NO.), carbon monoxide(CO), and
volatile organic compounds(VOC)emissions from emergency generator EGO1. The emissions test
results demonstrate compliance with the applicable regulations.
EGO is a four-stroke lean burn natural gas-fired emergency generator rated at a maximum 880
horsepower(hp) or 600 kW. 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. 60 Subpart
JJJJ establishes NO., CO,and VOC limits in parts per million by volume dry corrected to 15%oxygen
(ppmvd@l5%02). Table 1 from 60 Subpart JJJJ specifies the limits for emergency engines>130 hp.
The emissions test results and limits are shown in the following table.
Pollutant Test Result Emission Limit Regulation Com liance
NO,: 145.4 mvd 15%02 160 mvd 15%Oz 60 Subpart
CO 163.1 mvd 15%02 540 mvd 15%02 ME Yes
VOC as CsHB 10.1 mvd 15%02 86 mvd 15%M
VOC is non-methane organic compounds
The generator is rated at 600 kW maximum. During testing the generator averaged 572 kW, or 95%of
maximum. The test results demonstrate compliance with the applicable regulations. If there are any
questions regarding this review,please contact me at(919)707-8427 or [e-mail].
Cc: Central Files,Anson County
IBEAM Documents-0400056