DAQ-2024-004499

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February 2,2024
Executive Secretary
Utah Division of Air Quality
P.O. Box 144820
150 N. 1950 West
Salt Lake City, UT 84114
RE: Interstate Brick Report of Excess Emissions 0510112023 - Revised
The following is a revised letter of excess emissions from Kiln 4. This letter is written in
accordance with UDAQ Rule R307-107-2 (Reporting). This unavoidable upset condition was
reported by phone to Kyle @theUtah Division of Air Quality on May 1,2023. A timely Deviation
Report was originally submitted on May 2,2023. This revision is provided in response to a request
by Joe Rockwell, Utah Division of Air Quality, as part of an inspection conducted Jaruary 22,
2024.
The Kiln 4 Scrubber shut down due to a failure of the Scrubber Reagent Recirculation Pump. We
were forced to bypass the scrubber in order to make the necessary repairs. To minimize emissions,
the kiln was slowed to the lowest possible rate for the entire period.
The period of uncontrolled emissions for the Kiln 4 Scrubber was from l2:07amon Monday, Mayl, 2023 until 3:07pm on Monday, May l, 2023 (15 hours of uncontrolled emissions). The
following table is an estimate of excess emissions. The estimates are based on emissions factors
from previous emissions inventories.
A Deviation Report as required by our Operating Permit #3500200001 is also attached.
Please let me know if there are any questions or if additional information is needed.
Joseph Eck
Travis DuVall, Plant Manager, Interstate Brick
Johnny Clevel and, Plant Superintendent, Interstate Brick
UTAH DEPARTME,'IT oF
ENVIRONMENTAL QUAUTY
F EE - r ,..',: r,
DI\/ISION OF AIR OUALIT\
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REVIEWEDInitials:Date: Feb 6, 2024Compliance Status: OKFile #: 10423 (B2)
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Signature of Responsible Official & Date:
,l ' ,
Travis DuVall, Plant Manager
Certification of Data:
Per Title V Permit No. 3500200001, Section I, General Provision l.K, "Any application-for*,
report, or compliance certification submitted pursuant to this permit shall contain certification
as to its truth, accuracy, and completeness, by a responsible fficial as defined in R307-415-3 "
Based on information and belief formed after reasonable inquiry, the statements and information
in the document are true, accurate, and complete.
Date d2,zoL+
REVIEWEDInitials:Date: Feb 6, 2024Compliance Status: OKFile #: 10423 (B2)