AQ_F_0400056_20221028_ST_RvwMemo_2021-313st

DIVISION OF AIR QUALITY
October 28, 2022
MEMORANDUM
To: Heather Carter,Fayetteville Regional Office Supervisor
From: James Hammond, Stationary Source Compliance Branch(SSCB)
Subject: Piedmont Natural Gas Company—Wadesboro Compressor Station
Wadesboro,Anson County,North Carolina
Facility ID 0400056,Air Permit No. 10097T02
Nitrogen Oxides, Carbon Monoxide,and Volatile Organic Compounds
Emissions Testing of Natural Gas-Fired Spark Ignition(SI)Emergency Generator EGO 1
By Mostardi Platt,May 10,2022
DAQ Tracking No. 2021-313st
Mostardi Platt performed EPA Method 320 for nitrogen oxides(NOX),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 of
880 horsepower(hp)/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@15%02). 60 Subpart JJJJ Table 1 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 Compliance
NOX 93 mvd 15%O2 160 ppmvd@ 15%02
CO 179 mvd 15%O2 540 ppmvd@ 15%02 60 Subpart JJJJ
VOC
as Propane 9 ppmvd@15%02 86 ppmvd@15%02 63 Subpart ZZZZ Yes
C3Hg
The generator is rated at 600 kW,maximum output. During testing the generator averaged 563 kW, or
94% of maximum. The test results demonstrate compliance with the applicable regulations. If there are
questions regarding this review,please contact me at [e-mail] or(919)707-8412.
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