AQ_F_1900077_20210727_CMPL_CompRpt

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f A Triangle Brick
6523 NC Highway 55
July 13, 2021, 2021 Durham. NC 27713
Durham: [phone]
Raleigh: (919). 828-2070
Toll Free: 800-672-8547
North Carolina Department of Fax: [phone]
Environmental Quality
Raleigh
v s'on of Aonal r Quality
NC Dept of Environmental
D C��atit},
1628 Mail Service Center jr ,�
Raleigh, North Carolina 27699- C 2311
1628 Ra lci
gh Regional Off;cv
Attention: Patrick Butler
Regional Air Quality Supervisor
Reference: Submittal of 2nd Quarter 2021
Emissions and Process Data
Triangle Brick Company—Merry Oaks
Merry Oaks, North Carolina
Dear Mr. Butler:
Enclosed please find the 2nd Quarter 2021 emissions and process data for our Merry Oaks, North
Carolina facility. This data is submitted in accordance with conditions in our air permit.The maximum
hourly brick throughput during this three-month period was 0 tons per hour for Kilns 1,2 and 25.116
for Kiln #3.
It is our belief that this letter and the attached information meets the reporting requirements as
specified in our air permit. However,should you require additional information please do not hesitate
to contact me.
Sincerely,
TRIANGLE BRICK COMPANY
Howard P. Brown,Jr.
President and CEO
cc: Michael Cantoni: ERM
Buckley Reece

Attachment A
Monthly Processing Data
Triangle Brick Company
Merry Oaks,North Carolina
Tons of Fired Brick Cubic Ft of Natural Gas Fire Gallons of Distillate Oil Fire Gallons of Residual Oil Fire
Month Kiln#1 Kiln#2 Kiln#3 Kiln#1 Kiln#2 Kiln#3 Kiln#1 Kiln#2 Kiln#3 Kiln#1 Kiln#2 Kiln#3
Feb-20 0 0 13,887 372,000 0 23,418,000 0 0 0 0 0 0
Mar-20 0 0 14,640 216,000 0 24,338,000 0 0 0 0 0 0
Apr-20 0 0 11,404 122,000 0 20,937,000 0 0 0 0 o n
May-20 0 0 11,590 86,000 0 21,251,000 0 0 0 0 0 0
Jun-20 0 0 11,280 23,000 0 21,127,000 0 0 0 0 0 0
Jul-20 0 0 12,72.0 13,000 0 22,618,000 0 0 0 0 0 0
Aug-20 0 0 15,029 11,000 0 24,860,000 0 0 0 0 0 0
Sep-20 0 0 13,973 22,000 0 23,048,000 0 0 0 0 0 0
Oct-20 0 0 15,533 76,000 0 24,396,000 0 0 0 0 0 0
Nov-20 0 0 13,426 263,000 0 22,204,000 0 0 0 0 0 0
Dec-20 0 0 14,089 431,000 0 23,336,000 0 0 0 0 0 0
Jan-21 0 0 15,436 478,000 0 24,536,000 0 0 0 0 0 0
Feb 21 0 0 13,082 424,000 0 21,373,000 0 U 0 0 0 0
Mar-21 0 0 14,739 231,000 0 23,772,000 0 0 0 0 0 0
Apr-21 0 0 15,746 121,000 0 24,701,000 0 0 0 0 U 0
May-21 0 0 16,081 44,000 0 25,600,000 0 0 0 0 0 0
Jun-21 0 0 1S,534 15,000 0 23,779,000 0 0 0 0 0 0
17 Month Usage ___,_..._._.__..�..__,_..,,�.._.__._.....�___ ....._.._._......_._._.._.._,......_......._...�..._,_ .___.-A.._._.-_.,M.�._..._.._.__.,._..._.._.......�.._.__ _._
0 0 238,187 2,948,000 0 395,294,000 0 0 0 0 0 0

Attachment B
Calculation of Second Quarter 2021 Rolling S02 Emissions
Triangle Brick Company
Merry Oaks,North Carolina
Month S02 Emissions S02 17 Month
(lbs) Rolling History
(lbs)
Feb-20 885 15,655
Mar-20 933 15,638
Apr-20 728 15,439
May-20 739 15,266
Jun-20 720 15,020
Jul-20 811 14,866
Aug-20 957 14,770
Sep-20 890 14,774
Oct-20 989 14,787
Nov-20 855 14,688
Dec 20 898 14,620
Jan-21 983 14,642
Feb-21 833 14,539
Mar-21 939 14,471
Apr-21 1,002 14,571
May-21 1,024 14,913
Jun-21 988 1.5,173

Attachment C
Summary of Second Quarter 2021 Rolling Natural Gas Usage
Triangle Brick Company
Merry Oaks,North Carolina
Natural Gas Usage Natural Gas 17 Month Rolling History
(cubic feet) (cubic feet)
Month Kiln#1 Kiln#2 Kiln#3 Total All Kilns Kiln#1 Kiln#2 Kiln#3 Total All Kilns
Feb-20 372,000 0 23,418,000 23,790,000 3,567,000 0 404,686,000 408,253,000
Mar-20 216,000 0 24,338,000 24,554,000 3,672,000 0 403,811,000 407,483,000
Apr-20 122,000 0 20,937,000 21,059,000 3,462,000 0 399,973,000 403,435,000
May-20 86,000 0 21,251,000 21,337,000 3,140,000 0 396,365,000 399,505,000
Jun 20 23,000 0 21,127,000 21,150,000 2,717,000 0 392,040,000 394,757,000
Jul-20 13,000 0 22,618,000 22,631,000 2,380,000 0 390,673,000 393,053,000
Aug-20 11,000 0 24,860,000 24,871,000 2,066,000 0 389,481,000 391,547,000
Sep 20 22,000 0 23,048,000 23,070,000 2,016,000 0 389,252,000 391,268,000
Oct 20 76,000 0 24,396,000 24,472,000 2,068,000 0 388,885,000 390,953,000
Nov-20 263,000 0 22,204,000 22,467,000 2,311,000 0 387,266,000 389,583,000
Dec 20 431,000 0 23,336,000 23,767,000 2,745,000 0 386,675,000 389,420,000
Jan-21 478,000 0 24,536,000 25,014,000 3,213,000 0 386,840,000 390,053,000
Feb-21 424,000 0 21,373,000 21,797,000 3,636,000 0 394,680,000 388,316,000
Mar-21 231,000 0 23,172,000 24,003,000 3,818,000 0 382,812,000 386,690,000
Apr-21 121,000 0 24,701,000 24,822,000 3,571,000 0 383,827,000 387,398,000
May-21 44,000 0 2.5,600,000 25,644,000 3,306,000 0 391,855,000 395,161,000
Jun-21 15,000 0 23,779,000 23,794,000 2,948,000 0 395,294,000 398,242,000

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Attachment D
Summary of Second Quarter 2021 Rolling Distillate Oil Usage
Triangle Brick Company
Merry Oaks,North Carolina
Distillate Oil Usage Distillate Oil 17 Month Rolling History
(gallons) (gallons)
Month Kiln#1 Kiln#2 Kiln#3 Total All Kilns Kiln#1 Kiln#2 Kiln#3 Total All Kilns
Feb-20 0 0 0 0 0 0 0 0
Mar-20 0 0 0 0 0 0 0 0
Apr-20 0 0 0 0 0 0 0 0
May-20 0 0 0 0 0 0 0 0
Jun-20 0 0 0 0 0 0 0 0
Jul-20 0 0 0 0 0 0 0 0
Aug-20 0 0 0 0 0 0 0 0
Sep-20 0 0 0 0 0 0 0 0
Oct-20 0 0 0 0 0 0 0 0
Nov-20 0 0 0 0 0 0 0 0
Dec-20 0 0 0 0 0 6 0 0
Jan-21 0 0 0 0 0 0 0 0
Feb-21 0 0 0 0 0 0 0 0
Mar-21 0 0 0 0 0 0 0 0
Apr-21 0 0 0 0 0 0 0 0
May-21 0 0 0 0 0 0 0 0
Jun-21 0 0 0 0 0 0 0 0

Attachment E
Summary of Second Quarter 2021 Residual Oil Usage
Triangle Brick Company
Merry Oaks,North Carolina
Residual Oil Usage Residual Oil 17 Month Rolling History
(gallons) (gallons)
Month Kiln#1 Kiln#2 Kiln#3 Total All Kilns Kiln#1 Klln#2 Kiln#3 Total All Kilns
Feb-20 0 0 0 0 0 0 0 0
Mar 20 0 0 0 0 0 0 0 (1
Apr-20 0 0 0 0 0 0 0 0
May-20 0 0 0 0 0 0 0 0
Jun-20 0 0 0 0 0 0 0 0
Jul-20 0 0 0 0 0 0 0 0
Aug 20 0 0 0 0 0 0 0 0
Sep-20 0 0 0 0 0 0 0 0
Oct-20 0 0 0 0 0 0 0 0
Nov-20 0 0 0 0 0 0 0 0
Dec-20 0 0 0 0 0 0 0 0
Jan-21 0 0 0 0 0 0 0 0
Feb-21 0 0 0 0 0 0 0 0
Mar-21 0 0 0 0 0 0 0 0
Apr-21 0 0 0 0 0 0 0 0
May-21 0 0 0 0 0 0 0 0
Jun-21 0 0 0 0 0 0 0 0

Attachment F
Summary of Second Quarter 2021 Rolling Brick Throughput
Triangle Brick Company
Merry Oaks,North Carolina
Brick Throughput Summary Brick Throughput 17 Month Rolling History
(tons) (tons)
Month Kiln#1 Kiln#2 Kiln#3 Total All Kilns Kiln#1 Kiln#2 Klln#3 Total All Kilns
Feb-20 0 0 13,887 13,887 0 0 245,767 245,767
Mar-20 0 0 14,640 14,640 0 0 245,506 245,506
Apr-20 0 0 11,404 11,404 0 0 242,382 242,382
May-20 0 0 11,590 11,590 0 0 239,659 239,659
Jun-20 0 0 11,280 1.1,280 0 0 235,780 235,780
Jul-20 0 0 12,720 12,720 0 0 233,336 233,336
Aug-20 0 0 15,029 15,029 0 0 231,820 231,820
Sep-20 0 0 13,973 13,973 0 0 231,890 231,890
Oct-20 0 0 15,533 15,533 0 0 232,093 232,093
Nov-20 0 0 13,426 13,426 0 0 230,532 230,532
Dec-20 0 0 14,089 14,089 0 0 229,442 229,442
Jan-21 0 0 15,436 15,436 0 0 229,798 229,798
Feb-21 0 0 13,082 13,082 0 0 228,160 228,160
Mar-21 0 0 14,739 14,739 0 0 227,095 227,095
Apr-21 0 0 15,746 15,746 0 0 228,691 228,691
May-21 0 0 16,081 16;081 0 0 234,059 234,059
Jun-21 0 0 15,534 15,534 0 0 238,187 238,1.87

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