DAQ-2025-003089

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
Executive Director

DIVISION OF AIR QUALITY
Bryce C. Bird
Director

SPENCER J. COX
Governor

DEIDRE HENDERSON
Lieutenant Governor
DAQC-514-25
Site 11836 (B1)

Nichol Riddle
Interstate Rock Products
42 South 850 West, Suite 201
Hurricane, Utah 84797

Dear Ms. Riddle:

Re: Interstate Rock Products – Temporary Relocation/Operation, Notice of Intent – Washington
County

Your Notice of Intent dated May 22, 2025, to relocate portable aggregate equipment to the temporary
project located from Highway 9 to 3400 West and then right onto 290 North, Hurricane, 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:

PTR-400X jaw crusher
Cedarapids-Terex impact crusher
Finlay/883 C & S screen
Scania 271 hp generator
Scania 550 hp generator
Cat/C4.4 142 hp generator
Deutz 73 hp generator
Miscellaneous stackers

Utah Administrative Code (UAC) R307-209 authorizes portable equipment for temporary projects. This
equipment will be used by Interstate Rock Products which will be responsible for the operating conditions
and the emission reporting requirements for this project.

Approval is granted to relocate and operate this equipment at the new location for a period not to exceed
180 operational days. As per UAC R307-209-5, 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. Approval is subject to the conditions of the dust control plan submitted for this
location and UAC R307-209. Hours of operation for this equipment shall be held to 10 hours each day. The
maximum production rate shall be held to the requested 200 tons per hour.

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DAQC-514-25
Page 2

Emissions for this project have been estimated at the following:

Pollutant gram/sec lbs/hr lbs/24 hr tons/yr
PM10 1.01 7.98 79.84 6.23
SOx 0.21 1.66 16.62 1.30
NOx 2.71 21.49 214.88 16.76
CO 0.72 5.71 57.06 4.45
VOC 0.21 1.70 16.99 1.32

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.

Federal New Source Performance Standards Subpart OOO requires that initial Method 9 observations be
performed for all applicable portable crushers, screens, and attached conveyors. Subpart OOO also
mandates that all crushers constructed, modified, or reconstructed on or after April 22, 2008, which are not
enclosed, must install spray bars on the equipment and keep maintenance records to ensure proper spray
bar operations.

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:aj

Enclosure: Submitted Temporary Relocation Form
Submitted Correspondence

cc: Southwest Utah Public Health Department
4 * - - $ . — 0 ) A E v A ? A D @ ? w ? E ˜
Susan Weisenberg <[e-mail]>
Portable/Temporary Relocation Form
1 message
[e-mail] <[e-mail]>Thu, May 22, 2025 at 11:22 AM
Reply-To: [e-mail]
To: [e-mail]
Susan/Chad:
Site # -- Interstate 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: 2025-05-22 11:22:16 MDT
IP: 198.233.165.18
ResponseID: R_1vcOd88lxWnUcal
Link to View Results: Click Here
URL to View Results: https://utahgov.iad1.qualtrics.com/apps/single-response-reports/reports/WA3WZNU4kTumozZ-
O4oWl2f1r1JIbC3p3nvpuwthFvtvu47nKCDB-woAAPqey2LimIPSqW09dgUKsVIC_x1WuQHxTRlqySGJuxtGaseBuK-
FAQUXkX2N-ukP349G-mfkPPn5VrqnvggB-NaiNQWSCxdp-C14i9nXINKdXFDxGPjl7VZwk8yvE2-
iZWLwux1n4lyFNEqeHvAvY8NzIHFi0nefl7MvKY6iMuDPgpXdetAkdj-brd1SkxcsoBDTXLpj28AMPvEDR9nWh
YuSJ6CUuEemh1w5wpIOldmk8u_TISW6Ex9CJb1W_oJYrokNK_Aa39HhKqNzgqA9QY-T-YOg8g
Response Summary:
Please fill out the information below:
Contact Person: Nichol Riddle
Company Name: Interstate Rock Products
Mailing Address: 42 S. 850 W. Ste #201
City: Hurricane
Zip: 84737
Phone Number: 435-635-2628
Email: [e-mail]
Is the site located within a PM2.5 non-attainment and maintenance plan areas on cleared land grea...
No
Briefly give directions to the site and/or physical address:
From Hwy9 turn N onto 3400W. Turn right onto 290N. Turn right through the gate and proceed to location.
Proposed Relocation Information:
Closest City Hurricane
County Washington
UTM X Coordinates 37.171615
UTM Y Coordinates -113.361377
Approximate distance to the nearest house/business approx 343 meters
UTM X Coordinates to nearest house/business 37.172634
UTM Y Coordinates to nearest house/business -113.364609
Does this site currently have a permit with DAQ?
No
Please provide the permit ID for the equipment? (DAQE-XXXXXXXXX-XX)
0118360003-10
5/27/25, 11:50 AM State of Utah Mail - Portable/Temporary Relocation Form
https://mail.google.com/mail/u/0/?ik=bffac613d3&view=pt&search=all&permthid=thread-f:1832842214736801499%7Cmsg-f:1832842214736801499&s…1/3
Please list all the Equipment on Site:Note: It is important to identify ALL diesel powered engine...
1
Equipment Type Jaw Crusher
Make/Model PTR-400X
Serial or ID# P1DPR40XVDM15600
Manufactured Date 2017
Design Capacity 400tph
2
Equipment Type Diesel Generator
Make/Model Scania DC09 084A
Serial or ID# 172310077
Manufactured Date 2017
Design Capacity 271hp
3
Equipment Type Impact Crusher
Make/Model Cedarapids-Terex
Serial or ID# TRX1113RCOKKL1320
Manufactured Date 2020
Design Capacity 300tph
4
Equipment Type Diesel Generator
Make/Model Scania DC13 084A
Serial or ID# 7093255
Manufactured Date 2018
Design Capacity 550hp
5
Equipment Type C & S Screen Rental
Make/Model Finlay/883
Serial or ID# TRX883M4KDGL52922
Manufactured Date 2020
Design Capacity 500tph
6
Equipment Type Diesel Generator
Make/Model CAT/C4.4
Serial or ID# JKT16193
Manufactured Date 2020
Design Capacity 142hp
7
Equipment Type Stacker Belt
Make/Model Superior/30x80PRSC-S
Serial or ID# 13533457
Manufactured Date 2018
Design Capacity 200tph
8
Equipment Type Diesel Generator
Make/Model Deutz TD 2011 L04
Serial or ID# 12083042
Manufactured Date 2017
Design Capacity 73hp
9
Equipment Type Stacker Belt
Make/Model Superior/30x80PRSC-S
Serial or ID# 1420259
Manufactured Date 2019
Design Capacity 200tph
10
Equipment Type See email dated 5-22-2025 for all other equipment
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_3R2PUTKvJZmBPAK
Have any other state or local regulatory agencies issued any other "Conditional Use Permits" for...
No
5/27/25, 11:50 AM State of Utah Mail - Portable/Temporary Relocation Form
https://mail.google.com/mail/u/0/?ik=bffac613d3&view=pt&search=all&permthid=thread-f:1832842214736801499%7Cmsg-f:1832842214736801499&s…2/3
Operational Information: (Please note: Operating time over 16 hours in a 24 hour period will re...
Total Hours of operation per 24 hr period 10
Starting time of operation (am/pm) 6am
Ending time of operation (am/pm) 5pm
Maximum hourly production rate for project 200tph
Expected startup date 06-02-2025
Expected completion date 12-02-2025
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_1opP7htt05UN3ND
5/27/25, 11:50 AM State of Utah Mail - Portable/Temporary Relocation Form
https://mail.google.com/mail/u/0/?ik=bffac613d3&view=pt&search=all&permthid=thread-f:1832842214736801499%7Cmsg-f:1832842214736801499&s…3/3
Susan Weisenberg <[e-mail]>
Re: IRP Form 15a Temp Relocation of Equip. Request (AN#011836003-10)
1 message
Susan Weisenberg <[e-mail]>Tue, May 27, 2025 at 10:37 AM
To: Nichol Riddle <[e-mail]>
Cc: Chad Gilgen <[e-mail]>, Christine Bodell <[e-mail]>, Beau Stratton
<[e-mail]>
Hello, I'm sorry I missed your call. Thanks so much for your email and voice message which cleared up my questions. I
will now proceed with your relocation request using the portable source Rule and the electronic request dated May
22,2025.
Susan Weisenberg,
Environmental Scientist
Office: 385-306-6512
On Tue, May 27, 2025 at 10:14 AM Nichol Riddle <[e-mail]> wrote:
Hello Susan,
Thank you for your email and for taking the time to look into our temporary relocation request. I understand you had a
couple of options in mind for processing this, either under our existing portable Approval Order or the new Portable
Equipment Rule, R307-209.
Following your email, I wanted to clarify a few points. As mentioned in the voicemail I left for you, I believe processing
this under the new Portable Rule (R307-209) would be the most straightforward approach. Given that our operations at
the temporary location will not result in an increase in emissions and we are committed to adhering to all the
requirements outlined in the new rule, this seems like a suitable path forward.
Regarding the older equipment listed on our current portable Approval Order, my intention in wanting to remove it was
simply to avoid any future confusion, as this equipment is no longer in use. As we acquire new equipment, our
understanding, based on discussions with Christine, is that we can include the updated list in each new Notice of
Temporary Relocation when moving to a temporary site, provided we continue to meet all the stipulations of the new
rule.
Just to reiterate, this temporary operation in Hurricane is entirely separate from our LaVerkin Pit operations and falls
under a different portable ID number, specifically 11836 Portable.
Please do not hesitate to call me at [phone] if any of this does not adequately address your concerns or if you
require further clarification.
Thank you again for your assistance with this matter.
Best regards,
Nichol Riddle
On Fri, May 23, 2025 at 3:51 PM Susan Weisenberg <[e-mail]> wrote:
Hello Nichol,
This is Susan Weisenberg from the Division of Air Quality's Temporary Relocation Program. Regarding your
temporary relocation request, we have a couple of options for processing it: we can use your existing portable
Approval Order (AO) or the state's new Portable Equipment Rule, R307-209.
5/27/25, 11:52 AM State of Utah Mail - Re: IRP Form 15a Temp Relocation of Equip. Request (AN#011836003-10)
https://mail.google.com/mail/u/0/?ik=bffac613d3&view=pt&search=all&permthid=thread-f:1832859748249849523%7Cmsg-a:r2823232542049113772&…1/5
Concerning your inquiry about removing equipment from your current portable AO, please note that typically, having
less equipment than listed on your permit is not a compliance concern. Issues arise if you operate more equipment
than permitted or make changes that could lead to increased emissions requiring further evaluation.
Additionally, I wanted to confirm that the proposed relocation site is not part of any currently permitted location under
an existing Approval Order. I noticed some mentions of the Laverkin Pit in the email thread and want to ensure this is
a separate operation, as we manage temporary projects at permanent sites differently.
Please feel free to reach out if you have any further questions. I have attached the relevant documents for your
reference.
Thank you,
Susan Weisenberg
Environmental Scientist
Office: 385-306-6512
Susan Weisenberg,
Environmental Scientist
Office: 385-306-6512
On Fri, May 23, 2025 at 12:24 PM Nichol Riddle <[e-mail]> wrote:
Hi Chad, thank you for the direction. I just submitted our FDCP #DCC91A0286. All of the equipment in the Form
15a that I sent needs to be added to our current list of equipment. (I have attached our current list of equipment-
with unused equipment marked out) Like you stated, I'm sure when Christine gets back from vacation she can
help with getting this updated. The equipment on the site diagram is the 2 stacker Belts(incl their engines) and the
Jaw Crusher, the Impact Crusher and the C & S Screenplant that are listed on Form 15a. I know those will be the
first pieces of equipment at that location-Please let me know if you have any more questions or concerns! 😊
On Fri, May 23, 2025 at 9:26 AM Chad Gilgen <[e-mail]> wrote:
Hi Nichol,
Thank you for the additional information. The DAQ updated the format of portable approval orders (AO) several
years ago to generically referenced equipment (see Section II.A of attached DAQE-AN143180003-24 for an
example) rather than listing out each specific piece of equipment like the 2010 (AO) for Interstate Rock Products
currently does. This update is something you can work with our permitting group to get updated and it sounds
like you have been in contact with Christine Bodell about that. This would probably be a good option since the
equipment ratings (TPH and HP) you have referenced on the Temporary Relocation do not match what is listed
in the portable AO. Another option would be to use UAC R307-209 (see attached R307-209) for the project.
This is a new state rule that authorizes temporary relocation equipment without requiring a portable AO.
At this point, I would recommend using R307-209 for this particular temporary relocation to resolve the issue of
the requested equipment not matching that on the portable AO. You also need to include a valid Fugitive Dust
Control Plan (FDCP) number for this temporary project (Question 22 of the form you filled out which has been
answered as "N/A"), and include all pieces of equipment intended for use (Question 25-10 of the form was
answered as "See email dated 5-22-2025 for all other equipment").
You can go here and click on "Submit FDCP Online" at the top of the page to fill out that plan then respond back
to this email with that plan number. You can also respond back to this email with all equipment that will be used
at this location as the diagram provided on 5-22-25 does not really specify what's different from what was
provided in the temporary relocation application.
Thanks and let me know if you have any questions,
Chad
Chad Gilgen | Manager | Minor Source Compliance
385-306-6500 (cell)
5/27/25, 11:52 AM State of Utah Mail - Re: IRP Form 15a Temp Relocation of Equip. Request (AN#011836003-10)
https://mail.google.com/mail/u/0/?ik=bffac613d3&view=pt&search=all&permthid=thread-f:1832859748249849523%7Cmsg-a:r2823232542049113772&…2/5
Emails to and from this email address may be considered public records and thus subject to Utah GRAMA requirements.
On Fri, May 23, 2025 at 6:15 AM Nichol Riddle <[e-mail]> wrote:
Good morning Chad, Yes, that is correct, we would like to remove some older equipment and add a couple
new pieces. However this is for our Temporary Location Equipment Permit#-AN0118360003-10. I have
attached it to this email. Thank you!
Cheers!
On Thu, May 22, 2025 at 4:01 PM Chad Gilgen <[e-mail]> wrote:
Hi Nichol,
The initial attachments you sent to Christine weren't on the correspondence I have seen so I am not sure
what equipment you are referring to. It sounds like you want to move some equipment around and
potentially remove it from the permanent AO for the La Verkin Pit. Is that correct?
I have also included Susan Weisenberg on my response as Susan is the person within the DAQ who
reviews the temporary relocation projects and issues the letters permitting those operations.
Thanks,
Chad
Chad Gilgen | Manager | Minor Source Compliance
385-306-6500 (cell)
Emails to and from this email address may be considered public records and thus subject to Utah GRAMA requirements.
On Thu, May 22, 2025 at 11:02 AM Nichol Riddle <[e-mail]> wrote:
Hi Christine and Chad,
I have attached a picture of the new location and I have attached a site-diagram of the equipment we are
putting there at the moment, and some estimated emissions. I will head over to the portal and get this
paid. Christine, would you please take off Colt Stratton from your contacts list? It will just be Beau and I
for now. I spoke with Beau and we do not need anything from the City or County to move our portable
equipment to that location. Beau does have a grading permit for that location if you need it.
Chad, we would like to keep all of our portable equipment on this permit with the exception of the marked
out equipment on the previous AO that I attached to the initial email. Please let me know if you have any
questions or concerns! Thank you both!
On Wed, May 21, 2025 at 6:19 AM Nichol Riddle <[e-mail]> wrote:
Sounds good, thank you. I spoke with Beau after I emailed you yesterday and we have a meeting
tomorrow to discuss the details and the questions I have. My goal is to have everything needed sent to
you and paid tomorrow. Thank you both for your time!
On Tue, May 20, 2025 at 5:25 PM Christine Bodell <[e-mail]> wrote:
Hello Nicol,
Thank you for sending this over. I am going to loop in Compliance Manager Chad Gilgen. Chad and
his staff oversee temporary location authorizations. He should be able to provide you with guidance
on what is required.
For payment, please visit out DAQ fees webpage at https://deq.utah.gov/air-quality/fees-and-
payments-air-quality
Select the last drop down menu "Temporary Relocation Authorization". You may submit the final
temporary location form on this portal. The payment option is right below the "Submit temporary
location form" button.
5/27/25, 11:52 AM State of Utah Mail - Re: IRP Form 15a Temp Relocation of Equip. Request (AN#011836003-10)
https://mail.google.com/mail/u/0/?ik=bffac613d3&view=pt&search=all&permthid=thread-f:1832859748249849523%7Cmsg-a:r2823232542049113772&…3/5
Thank you,
Christine
On Tue, May 20, 2025 at 12:59 PM Nichol Riddle <[e-mail]> wrote:
Hi Christine, I have attached Form 15a and the last approval notice. On the last approval I marked
the equipment that can be completely removed from this ID. I also attached a pic of the temporary
location. To my knowledge, on the equipment list I am sending you, this is all that is going to this
area right now. I am waiting on my boss to let me know if I should include all of our portable
equipment in this notice as well. However I am concerned about getting those answers in time for
this to get approved. I thought I would go ahead and send it to you, or maybe you have that
answer? I will be in an office tomorrow that will scan in color so I can resend you the google map
page I am attaching-which should be so much better! I am waiting on a conditional use permit
answer as to whether or not we need one. Is there a way we can atlesast get this started and I will
continue to get you any more information you need? I can give you a credit card to pay for the
$500 fee today if necessary. Let me know what you think. Thank you so much for your time!
--
Nichol Riddle
EHS Manager
Interstate Rock Products
[e-mail]
--
Nichol Riddle
EHS Manager
Interstate Rock Products
[e-mail]
--
Nichol Riddle
EHS Manager
Interstate Rock Products
[e-mail]
--
Nichol Riddle
EHS Manager
Interstate Rock Products
[e-mail]
--
Nichol Riddle
EHS Manager
Interstate Rock Products
[e-mail]
5/27/25, 11:52 AM State of Utah Mail - Re: IRP Form 15a Temp Relocation of Equip. Request (AN#011836003-10)
https://mail.google.com/mail/u/0/?ik=bffac613d3&view=pt&search=all&permthid=thread-f:1832859748249849523%7Cmsg-a:r2823232542049113772&…4/5
--
Nichol Riddle
EHS Manager
Interstate Rock Products
[e-mail]
5/27/25, 11:52 AM State of Utah Mail - Re: IRP Form 15a Temp Relocation of Equip. Request (AN#011836003-10)
https://mail.google.com/mail/u/0/?ik=bffac613d3&view=pt&search=all&permthid=thread-f:1832859748249849523%7Cmsg-a:r2823232542049113772&…5/5