AQ_F_0200033_20210827_ST_RvwLtr

ROY COOPER at"`STAQ
K,wY 10.Iny.
Governor nn
ELIZABETH S.BISER i
Secretary
y �piLL 12 r�76 Y
MICHAEL A.ABRACZINSKAS NORTH CAROLINA
Director Environmental Quality
August 27,2021
Mr. Rick Roper,General Manager III
Duke Energy Carolinas,LLC—Marshall Steam Station
8320 East NC Hwy 150
Terrell,NC 28682
Subject: Particulate Matter Emissions Testing of Units 1 and 2 Common Stack(ID Nos. ES-1 and
ES-2)Performed on April 13,2021
Duke Energy Carolinas,LLC—Marshall Steam Station
Terrell, Catawba County,North Carolina
Facility ID No. 1800073
Air Permit No. 03676T58
Tracking No. 2021-004ST
Dear Mr. Roper:
Particulate matter emissions testing was performed on the common stack for Unit 1 and 2 electric
utility boilers (ID Nos. ES-1 and ES-2) at Duke Energy Carolinas,LLC—Marshall Steam Station located in
Terrell, Catawba County,North Carolina on April 13,2021. The test was performed in accordance with the
requirements of Air Permit No. 03676T58, Specific Conditions and Limitations Nos. 2.1-A.4.d.
The Stationary Source Compliance Branch of the North Carolina Division of Air Quality has
completed a review of the referenced test. It was determined that the testing is an acceptable demonstration
of compliance. Please find enclosed a copy of the test review memorandum.
If you have any questions with reference to this matter,please do not hesitate to contact Ms. Melinda
Wolanin,or me at(704) 663-1699.
Sincerely,
Dense J&aJZ6
Denise Hayes
Environmental Engineer
DFH:df
Enclosure
c: MRO File
https://ncconnect.sharepoint.com/sites/DAQ-MRO/Counties/CATAWBA/00073/STK LET_20210827.docx
North Carolina Department of Environmental Quality I Division of Air Quality
D_E Mooresville Regional Office 1610 East Center Avenue,Suite 301 I Mooresville,NC 28115
NORTH CAROLINA
Department of Environmental Quality 704.663.1699 T 1 704.663.6040 F

DIVISION OF AIR QUALIT'f
August6,2021
b'1E-MC UNDUM
To= Brace Ingle Moores-'glle Regional Office
From TaylorFmt,Stationary Somme Compliance Branch(SSCB) 91 P
Subjeer- Duke Energy Carolinas,LLC—Marshall Steam Station
I'e*TMll.Cat wba County,North Carolina
Fat i.fiuy ID 1800073,Permit No-03676T57
Particulase blotter(Pho Emissions Testing of Umts l and 2 Comm Stack
Con&wred April 13,2021 by Grace['o„tea.In£.
DAQ Trartldng Nix 2021-0445.1'
Grace Con^uEng,Inc.perknmed EPA MATS hSelhod 5 For filterable PM at the Common Stack far
Units 1 and 2(ES-1 and ES-2)on A xil 13,2021-The test result;are acceptable to indicate compliance
with the applicable regulation
Emissums sources ES-1 and ES-2 are Na 2 Fuel rnlh,ah,ral gaslcoal-fired electric utility boilers egmpped
with a low NOs conmnihm firing system separated ovw re aorllowered fired law-NOx technologies
(SOFAA)OFIR),alkalme`based Fuel additive,associated selective non-canlyhe redueboe system(SNCR)
NOxre&xtim system[fD Nos-CD-1£(M-5bT R)/CD4c(MSNCR)-respechively],sulfur trioxide Flue
gas con&bmnmg system(ID Nos.CD-21CD-5,respefftwelyl amd elecbustxhc precipitator(ID Nos.
CD-31C',[]L6,respectnely).ES-1 and ES-2 slaw the wet flue gas desulfwiwtioo spray tower scrubber(ID
No-CD-UD2FCMwitb a£4mmon wm4sioeis stark.
40 CFR 63 Snbparr UUUUU NESMP Coal-and 0-9-Fu49d Elw&w Ujzla6 Stsm Gmwratznff Units
4TIies and limits filterable PM to 0-03 IblmmBtu-15A NCAC 2D.0536 Pwtkulats EAoras&ms from
Rwfna Utrho$odors was repealed effective-Nin amber 1,2020,preciously limiting Phi to 020 pounds
per millLm Btu(lhfmm Bta)beat input The stark test was conducted using EPA MATS Method 5
(Method 5 with a filter temperature of 320±25 -A summary of the emissions test results u sbawn in
the table below.
Pollutant Test Results EmimmLimit Standard Compliance
0.03 Rvi mBtu 63 Subpart UCZZ,-U Tea
Filterable Phi 0.0101bfmmmBtu 020 RVmmBtu 2D-0536
akd Nay-2020
The maximum permitted heat input rate for ES-1 and ES-2 is 4230 mullion Btu per hoar(mmBtu,lhr)earh
or 8,460 mmmBtulbr£omibuned The repuTted mwxi mm normal operation rate is 7,532 mmBtdhr.The
source operated at a£aloulated a% age heat input rate of 6,714 mmBtdhr during testing.The test
condition-are acceptable-
The test results are acceptable to i u iicate comphan£e with applicable regulations.For questions or fi> fiAR
assistame with this test repxt review.please contact me at ta4'lor-fort7ocdenr my
cc:IBEAM Docomments 1$0a073