DAQ-2025-001528

195 North 1950 West • Salt Lake City, UT
Mailing Address: P.O. Box 144820 • Salt Lake City, UT 84114-4820
Telephone [phone] • Fax [phone] • T.D.D. 800 346-3128
www.deq.utah.gov
Printed on 100% recycled paper
State of Utah

Department of
Environmental Quality

Tim Davis
Interim Executive Director

DIVISION OF AIR QUALITY
Bryce C. Bird
Director

SPENCER J. COX
Governor

DEIDRE HENDERSON
Lieutenant Governor
DAQC-286-25
Site ID 10907 (B1)

Chris Rose
Staker Parson Companies dba Western Rock Products
89 West 13490 South, Suite 100
Draper, UT 84020

Dear Mr. Rose:

Re: Staker Parson Companies dba Western Rock Products – Temporary Relocation/Operation,
Notice of Intent – Washington County

Your Notice of Intent dated March 6, 2025, to relocate a portable generator to the temporary
project for Western Rock Products’ Sorenson Pit, located five miles east of Washington City on
Telegraph Road, near St. George, Utah, was received by the Utah Division of Air Quality (DAQ)
and has been reviewed.

The following equipment has been approved for operation for this temporary project:

Cat C32 1502 generator

The State of Utah has permitted portable equipment for Staker Parson Companies on the Approval
Order (AO) DAQE-AN115180014-15, dated July 6, 2015. The above relocation address is a
permitted aggregate facility with established emission and production limits. All equipment
operating at this site must be in accordance with the current AO for this site
DAQE-AN109070001-22, dated March 31, 2022. The operation hours of the referenced
temporary generator when combined with the permanent generators hours of operation shall not
exceed the 12-month total engine hours of Condition II.B.1.d of this AO.

Approval is granted to relocate and operate this equipment at the new location for a period not to
exceed 180 operational days. As per Utah Administrative Code (UAC) R307-401-17, the
operation of equipment at this temporary site may be for up to 180 working days in any calendar
year not to exceed 365 consecutive days, starting from the initial relocation date.

/ % Û Ù Û Ù Û Þ
DAQC-286-25
Page 2

The owner/operator shall maintain records of the actual operation hours, days, and production
rate, of the above referenced equipment at this relocation site and have the ability to submit the
information to the DAQ upon the request of representatives of the director. Please make certain
that the plant operator is aware of all the location specific requirements for this site and the
conditions of the aforementioned AO.

Utah Division of Water Quality Storm Water Permits and regulations may apply to this temporary
project. Please refer to Utah DEQ Water Quality’s current Storm Water Construction
requirements for additional information.

This approval for relocation in no way releases the owner or operator from any liability for
compliance with all other applicable federal, state, and local regulations including the UAC.

If you have any questions regarding this relocation authorization or the temporary relocation
process please contact Susan Weisenberg at [phone].

Sincerely,

Jay P. Morris
Assistant Director

JPM:SW:rh

Enclosure: Submitted Temporary Relocation Form

cc: Southwest Utah Public Health Department

4 * - - $ . — - @ G v A ? A D @ E w @ H ˜
Chad Gilgen <[e-mail]>
Portable/Temporary Relocation Form
[e-mail] <[e-mail]>Thu, Mar 6, 2025 at 9:20 AM
Reply-To: [e-mail]
To: [e-mail]
Susan/Chad:
Site # -- Staker Parson Companies d.b.a. Western Rock Products has requested a Temporary Relocation. Please see the
information below. Any attachments can be access by clicking on the links.

Recipient Data:
Time Finished: 2025-03-06 09:19:57 MST
IP: 165.225.10.103
ResponseID: R_3CTxMiRdtHUnhGb
Link to View Results: Click Here
URL to View Results: https://utahgov.iad1.qualtrics.com/apps/single-response-reports/reports/lIRU71K051z1qww2rNp%
2EFwtlW2pUEJ73-tpQ-vT5h8IRbSQd3FqYILN5y2HzTe--%2Ea7oHWyLjdGHsj9SEkKI-BR3G9aqnVebQj0Ycv7nO-
Ut0qFrRyIYnOcbZgjl2UXDHzS1E2hOMQR26e93APTAcwhXoa2K0ED7Vy9M3fhKuCtWOGgqhYs830f6FYY-WZ%2EU-
ZtkupaIYPp%2EPnmRjTZGDr6My12gB9igUMhPEpwfDmQEY8HEtIcfvYy0U2JoOnqzSDeSbJhWQHyMYujX-
Rsm5fEP5fabyGdWxdFK-3x0eVToh4gApvI%2E7Kc5iCjkn46qNF0Q3zpIc%2Eyog0hzEcNAsQ
Response Summary:
Please fill out the information below:
Contact Person: Christopher Rose
Company Name: Staker Parson Companies d.b.a. Western Rock Products
Mailing Address: 89 W 13490 S
City: Draper
Zip: 84020
Phone Number: 3854002119
Email: [e-mail]
Is the site located within a PM2.5 non-attainment and maintenance plan areas on cleared land grea...
No
All temporary relocation projects are required to submit a Fugitive Dust Control Plan (FDCP). Lo...
Exempt from FDCP, confirmed with Susan Weisenburg
Briefly give directions to the site and/or physical address:
Five miles East of Washington on Telegraph Rd, one mile East of the Washington County Landfill.
Proposed Relocation Information:
Closest City Washington
County Washington
UTM X Coordinates 282322.74 m E
UTM Y Coordinates 4111661.81 m N
Approximate distance to the nearest house/business 2060 ft
UTM X Coordinates to nearest house/business 281611.07 m E
UTM Y Coordinates to nearest house/business 4111547.30 m N
Does this site currently have a permit with DAQ?
Yes
3/11/25, 12:32 PM State of Utah Mail - Portable/Temporary Relocation Form
https://mail.google.com/mail/u/0/?ik=36f4379b4d&view=pt&search=all&permmsgid=msg-f:1825862324233226458&simpl=msg-f:1825862324233226458 1/2
If yes, what is the Permit (DAQ-AN) # ?
DAQE-AN109070001-22
If yes, what is the Permit Holder's Name?
Staker Parson Companies
Please provide the permit ID for the equipment? (DAQE-XXXXXXXXX-XX)
DAQE-AN115180014-15
Please list all the Equipment on Site:Note: It is important to identify ALL diesel powered engine...
1
Equipment Type Diesel Generator
Make/Model CAT C32
Serial or ID# SYC01029
Manufactured Date 2007
Design Capacity 1502 HP
Please attach a site diagram showing the equipment layout and general site dimensions for this re...
https://utahgov.co1.qualtrics.com/WRQualtricsControlPanel/File.php?F=F_2Y9wRAXyu6jgVxM
Have any other state or local regulatory agencies issued any other "Conditional Use Permits" for...
No
Operational Information: (Please note: Operating time over 16 hours in a 24 hour period will re...
Total Hours of operation per 24 hr period 16
Starting time of operation (am/pm) 6 AM
Ending time of operation (am/pm) 10 PM
Maximum hourly production rate for project N/A
Expected startup date 03/20/2025
Expected completion date 03/01/2026
What type of application is this for?
Modification to an existing Temporary Relocation
Owner/Operator Representative:
https://utahgov.co1.qualtrics.com/WRQualtricsControlPanel/File.php?F=F_2e9Aris6RhKNjxz
3/11/25, 12:32 PM State of Utah Mail - Portable/Temporary Relocation Form
https://mail.google.com/mail/u/0/?ik=36f4379b4d&view=pt&search=all&permmsgid=msg-f:1825862324233226458&simpl=msg-f:1825862324233226458 2/2
Susan Weisenberg <[e-mail]>
Generator TRP to Sorenson Pit
1 message
Rose, Chris (Staker Parson Materials & Construction) <[e-mail]>Mon, Mar 17, 2025 at 11:42
AM
To: Susan Weisenberg <[e-mail]>
Cc: "Johnson, Elliott (Staker Parson Materials & Construction)" <[e-mail]>
Susan,

Thank you for your call this morning. I’ll put into writing what we discussed:

First, I know you and Chad Gilgen were concerned about the generator hours at Sorenson Pit as we had discussed
exceedances in summer 2024. Chad had approved exceedances to the generator hours in an email during this
correspondence and recommended working with the NSR group to update the site AO and increase the hours. Staker
Parson has been working with a consultant to do a complete overhaul of the Sorenson AO since September 2024 and we
are very close to submitting an NOI application. This would greatly increase generator hours among other things.

The crushing equipment that was approved in DAQC-708-24 was removed from the site in October 2024 and will not be
back for some time. The generator I requested a TRP for on 3/6/25 would be solely powering preexisting aggregate
equipment onsite that is covered on the current Sorenson AO. As the generators on DAQC-708-24 have since been
removed, this generator would be brought in to power an unrelated project, not add to the list of generators approved on
the previously mentioned TRP.

Lastly, it seems that I had submitted the TRP application on 3/6/25 as an amendment to a current TRP, not a new TRP
application as I intended. This was a mistake, and I apologize for any confusion this may have caused.

Please feel free to reach out with any additional questions.

Thank you,

Christopher Rose
Environmental Specialist
West Division

Staker Parson
A CRH COMPANY
89 West 13490 South
Draper, Utah 84020
3/18/25, 1:33 PM State of Utah Mail - Generator TRP to Sorenson Pit
https://mail.google.com/mail/u/0/?ik=bffac613d3&view=pt&search=all&permthid=thread-f:1826864080174700813%7Cmsg-f:1826864080174700813&s…1/2

C [phone]
E [e-mail]

3/18/25, 1:33 PM State of Utah Mail - Generator TRP to Sorenson Pit
https://mail.google.com/mail/u/0/?ik=bffac613d3&view=pt&search=all&permthid=thread-f:1826864080174700813%7Cmsg-f:1826864080174700813&s…2/2