DAQ-2024-011294

State
SPENCER J. COX
Govetnor
DEIDRE HENDERSON
Lieutenant Governor
Department of
Environmental Quality
Kimberty D. Shelley
Executive Direclor
DIVISION OF AIR QUALITY
Bryce C. Bird
Director
October LL,2024
Sent Via Certified Mail No. 70022030000044115496
DAQC-L027-24
Site ID 16119 (B1)
Lee Ware
Kilgore Companies, LLC
7057 West 2100 South
Salt Lake City, UT 84128
Dear Mr. Ware:
Re: Compliance Advisory - Kilgore Companies, LLC - Ogden Hot Mix Asphalt Plant - Condition
lI.B.l j of Approval Order DAQE-ANI61190002-24 - Weber County
On October 7,2024, a representative of the Utah Division of Air Quality (DAQ) reviewed the report of a
stack test conducted August 29,2024, of the hot mix asphalt plant at Kilgore Companies, LLC Ogden Hot
Mix Asphalt Plant in Weber County, UT. The DAQ observed an exceedance of the particulate matter
emission rates and concentration limits, which may be a violation of Condition ILB.I j of Approval Order
DAQE-AN161190002-24.
Kilgore Companies, LLC is required to comply with the above regulations. A written response to this
letter is required within ten ( l0) business days of receipt of this letter.
Additional details about the above observations and regulations are attached to this letter. Please contact
Kyle Greenberg at 385-306-6533 or [e-mail] if you have any questions about this letter.
Sincerely,
L4 ,4r -E;
Chad Gilgen, Manager
Minor Source Compliance Section
CG:KGjl
cc: Weber-MorganHealthDepartment
195 North 1950 West. Salt Lake City, UT
Mailing Address: P.O. Box 144820. Salt Lake City, UT 84114-4820
Telephone [phone]. Fax (801) s364099'T.D.D. [phone]
w*.deq.ulah.gov
Printed on t00% rccycled paper
Potential Violation(s)
On October 7,2024, an inspector from the DAQ reviewed the report of a stack test conducted
August 29,2024, of the hot mix asphalt plant at Kilgore Companies, LLC Ogden Hot Mix Asphalt
Plant in Weber County, UT.
At the time of the inspection, the DAQ documented the following potential violation of a failed
stack test. The observed particulate matter emissions were:
0.0317 grains/dscf
9.6824lblhr
This is in exceedance of the particulate matter emissions of Condition II.B.1j of Approval Order
DAOE-ANl6tt90002-24.
DAQC-1027-24
Page 2
AO Conditions/Rules
Condition II.B.1j of Approval Order DAQE-ANl6ll90002-24
The owner/operator shall not emit more than the following rates and concentrations from the
asphalt plant baghouse:
Pollutant lb/hr grains/dscf ppmdv
PMro 9.20 0.015PM:s 9.20 0.015
NO* 9.60 80
Concentration (ppmdv) is corrected to 3.0%o oxvsen. drv basis.
The purpose of a Compliance Advisory (CA) is to document observations made by the DAQ. You are
responsible for complying with the Utah Air Conservation Rules. There are possible administrative and
civil penalties for failing to do so. Section l9-2-l l5 of the Utah Code Annotated provides that violators
of the Utah Air Conservation Act and/or any order issued there under may be subject to a civil penalty of
up to $ 10,000 per day for each violation.
The written response to this CA will be considered in resolving the deficiencies documented in this letter.
It may include information demonstrating compliance with the regulations or a schedule to bring your
company back into compliance with the applicable regulations. The DAQ will review your response and
this CA may be revised as a result of that review. Failure to respond in writing within ten (10) business
days of receipt of this CA will be considered in any subsequent enforcement action and the assessment of
penalties.
Possible DAQ actions to resolve a CA include: No Further Action Letter, Warning Letter, Early
Administrative Settlement with reduced civil penalty, Settlement Agreement with civil penalty, or Notice
of Violation and Order to Comply.
This CA does not limit or preclude the DAQ from pursuing enforcement options conceming this
inspection. Also, this CA does not constitute a bar to enforcement action for conditions that the DAQ did
not observe or evaluate, or any other conditions found during future inspections.
A meeting may be requested to discuss this CA. Please contact Kyle Greenberg at 385-306-6533 or
[e-mail] if you would like to request a meeting or if you have any questions about this
letter.
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