DAQ-2025-001468

DAQE-AN143470002-25

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Jim Hogan
Staker Parson Companies
2350 South 1900 West
Ogden, UT 84401
[e-mail]

Dear Mr. Hogan:

Re: Approval Order: Administrative Amendment to Approval Order DAQE-AN0143470001-11 for a
10-Year Review and Permit Updates
Project Number: N143470002

The attached Approval Order (AO) is issued pursuant to the Division of Air Quality conducting a 10-year
administrative review of this source and its respective AO. Staker Parson Companies must comply with
the requirements of this AO, all applicable state requirements (R307), and Federal Standards.

The project engineer for this action is Lucia Mason, who can be contacted at [phone] or
[e-mail]. Future correspondence on this AO should include the engineer's name as well as the
DAQE number shown on the upper right-hand corner of this letter.

Sincerely,

{{$s }}

Bryce C. Bird
Director

BCB:LM:jg

cc: TriCounty Health Department

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. [phone]
www.deq.utah.gov
Printed on 100% recycled paper
State of Utah

SPENCER J. COX
Governor
DEIDRE HENDERSON
Lieutenant Governor

Department of
Environmental Quality

Tim Davis
Interim Executive Director

DIVISION OF AIR QUALITY
Bryce C. Bird
Director

March 14, 2025

STATE OF UTAH
Department of Environmental Quality
Division of Air Quality

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APPROVAL ORDER
DAQE-AN143470002-25
Administrative Amendment to Approval Order
DAQE-AN0143470001-11 for a 10-Year Review
and Permit Updates

Prepared By
Lucia Mason, Engineer
[phone]
[e-mail]

Issued to
Staker Parson Companies - Maeser West Aggregate Facility

Issued On
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Issued By

{{$s }}

Bryce C. Bird
Director
Division of Air Quality

March 14, 2025
TABLE OF CONTENTS

TITLE/SIGNATURE PAGE ....................................................................................................... 1
GENERAL INFORMATION ...................................................................................................... 3
CONTACT/LOCATION INFORMATION ............................................................................... 3
SOURCE INFORMATION ........................................................................................................ 3
General Description ................................................................................................................ 3
NSR Classification .................................................................................................................. 3
Source Classification .............................................................................................................. 3
Applicable Federal Standards ................................................................................................. 3
Project Description.................................................................................................................. 4
SUMMARY OF EMISSIONS .................................................................................................... 4
SECTION I: GENERAL PROVISIONS .................................................................................... 4
SECTION II: PERMITTED EQUIPMENT .............................................................................. 5
SECTION II: SPECIAL PROVISIONS ..................................................................................... 5
PERMIT HISTORY ..................................................................................................................... 8
ACRONYMS ................................................................................................................................. 9

DAQE-AN143470002-25
Page 3

GENERAL INFORMATION

CONTACT/LOCATION INFORMATION

Owner Name Source Name
Staker Parson Companies Staker Parson Companies - Maeser West Aggregate Facility

Mailing Address Physical Address
2350 South 1900 West
Ogden, UT 84401
7.5 miles Southwest of Vernal on Utah State
Route 121
Uintah County, UT

Source Contact UTM Coordinates
Name: Jim Hogan 613,542 m Easting
Phone: [phone],476,070 m Northing
Email: [e-mail] Datum NAD83
UTM Zone 12
SIC code 1442 (Construction Sand & Gravel)

SOURCE INFORMATION
General Description
Staker Parson Companies (Staker Parson) operates the Maeser West Aggregate Pit located southwest of
Vernal in Uintah County. Equipment includes crushers, screens, conveyors, and one (1) 900 kW diesel-
fired generator. Staker Parson produces up to 260,000 tons of aggregate material per year.

NSR Classification
10-Year Review

Source Classification
Located in Attainment Area
Uintah County
Airs Source Size: B

Applicable Federal Standards
NSPS (Part 60), A: General Provisions
NSPS (Part 60), OOO: Standards of Performance for Nonmetallic Mineral Processing Plants
NSPS (Part 60), IIII: Standards of Performance for Stationary Compression Ignition Internal
Combustion Engines
MACT (Part 63), A: General Provisions
MACT (Part 63), ZZZZ: National Emissions Standards for Hazardous Air Pollutants for
Stationary Reciprocating Internal Combustion Engines
Title V (Part 70) Area Source
DAQE-AN143470002-25
Page 4

Project Description
This is an Administrative Amendment to AO DAQE-AN0143470001-11, dated May 18, 2011. The DAQ
is conducting a 10-year review to update the language, format, and rule applicability of the 2011 AO.

SUMMARY OF EMISSIONS

The emissions listed below are an estimate of the total potential emissions from the source. Some
rounding of emissions is possible.

Criteria Pollutant Change (TPY) Total (TPY)
CO2 Equivalent 0 1400.00
Carbon Monoxide 0 6.63
Nitrogen Oxides 0 28.94
Particulate Matter - PM10 0 5.37
Particulate Matter - PM2.5 0 1.03
Sulfur Dioxide 0 0.49
Volatile Organic Compounds 0 0.78

Hazardous Air Pollutant Change (lbs/yr) Total (lbs/yr)
Generic HAPs (CAS #GHAPS) 0 20
Change (TPY) Total (TPY)
Total HAPs 0 0.01

SECTION I: GENERAL PROVISIONS

I.1 All definitions, terms, abbreviations, and references used in this AO conform to those used in the UAC R307 and 40 CFR. Unless noted otherwise, references cited in these AO conditions refer to those rules. [R307-101]
I.2 The limits set forth in this AO shall not be exceeded without prior approval. [R307-401] I.3 Modifications to the equipment or processes approved by this AO that could affect the emissions covered by this AO must be reviewed and approved. [R307-401-1]
I.4 All records referenced in this AO or in other applicable rules, which are required to be kept by the owner/operator, shall be made available to the Director or Director's representative upon request, and the records shall include the two-year period prior to the date of the request. Unless otherwise specified in this AO or in other applicable state and federal rules, records shall be kept for a minimum of two (2) years. [R307-401-8]
DAQE-AN143470002-25
Page 5

I.5 At all times, including periods of startup, shutdown, and malfunction, owners and operators shall, to the extent practicable, maintain and operate any equipment approved under this AO, including associated air pollution control equipment, in a manner consistent with good air pollution control practice for minimizing emissions. Determination of whether acceptable operating and maintenance procedures are being used will be based on information available to the Director which may include, but is not limited to, monitoring results, opacity observations, review of operating and maintenance procedures, and inspection of the source. All maintenance performed on equipment authorized by this AO shall be recorded. [R307-401-4] I.6 The owner/operator shall comply with UAC R307-107. General Requirements: Breakdowns. [R307-107]

I.7 The owner/operator shall comply with UAC R307-150 Series. Emission Inventories. [R307-150]

SECTION II: PERMITTED EQUIPMENT
II.A THE APPROVED EQUIPMENT II.A.1 Maeser West Aggregate Facility
II.A.2 One (1) Jaw Crusher Capacity: 500 tons per year (tph) 40 CFR 60 Subpart OOO II.A.3 One (1) Cone Crusher Capacity: 250 tph 40 CFR 60 Subpart OOO
II.A.4 Two (2) Triple-deck Screens Size: 8' x 20' 40 CFR 60 Subpart OOO II.A.5 Various Conveyors 40 CFR 60 Subpart OOO
II.A.6 One (1) 900 kW Generator Fuel: Diesel Fuel 40 CFR 60 Subpart IIII 40 CFR 63 Subpart ZZZZ

SECTION II: SPECIAL PROVISIONS II.B REQUIREMENTS AND LIMITATIONS II.B.1 Site-wide Requirements:
II.B.1.a The owner/operator shall not produce more than 260,000 tons of aggregate material, including bank-run material, per rolling 12-month period. [R307-401-8]
DAQE-AN143470002-25
Page 6

II.B.1.a.1 To determine compliance with the above production limit, the owner/operator shall: A. Determine production by belt scale records and/or scale house records B. Record production daily C. Use production data to calculate a new 12-month total by the 20th day of each month using data from the previous 12 months D. Keep records of production for all periods when the plant is in operation. [R307-401-8] II.B.1.a.2 The owner/operator shall weigh and account for all aggregate material prior to the aggregate
material leaving the site. [R307-401-8]
II.B.1.b Unless otherwise specified in this AO, the owner/operator shall not allow visible emissions from any source on site to exceed 20% opacity. [R307-201-3] II.B.1.b.1 Unless otherwise specified in this AO, opacity observations of emissions from stationary sources
shall be conducted according to 40 CFR 60, Appendix A, Method 9. [R307-201-3]

II.B.2 Aggregate Processing Equipment Requirements: II.B.2.a The owner/operator shall not exceed the following opacity limits:

A. All crushers - 12% opacity
B. All screens - 7% opacity
C. All conveyor transfer points - 7% opacity

D. All conveyor drop points - 20%.
[40 CFR 60 Subpart OOO, R307-401-8]

II.B.2.b The owner/operator shall install water sprays on all crushers, all screens, and all unenclosed conveyor transfer points on site to control fugitive emissions. The owner/operator shall operate sprays as required to maintain the opacity limits listed in this AO when the temperature is above freezing. [R307-401-8]
II.B.2.c The owner/operator shall conduct an initial performance test for all crushers, screens, and
conveyor transfer points on site within 60 days after achieving maximum production rate but not later than 180 days after initial startup. Performance tests shall meet the limitations specified in
Table 3 of Subpart OOO. Records of initial performance tests shall be kept and maintained on
site for the lifetime of the equipment. [40 CFR 60 Subpart OOO]

II.B.2.c.1 Initial performance tests for fugitive emission limits shall be conducted according to 40 CFR 60.675(c). The owner/operator may use methods and procedures specified in 40 CFR 60.675(e) as an alternative. [40 CFR 60 Subpart OOO]
II.B.2.d The owner/operator shall submit written reports of the results of all performance tests conducted
to demonstrate compliance with 40 CFR 60.672 to the Director, attn.: Compliance Section. The
submission shall be postmarked no later than 180 days from the date of this AO or no later than
180 days from equipment start-up, whichever is later. [40 CFR 60 Subpart OOO]

DAQE-AN143470002-25
Page 7

II.B.3 Diesel Generator Requirements: II.B.3.a The owner/operator shall not operate the diesel generator for more than 2,000 hours per rolling
12-month period. [R307-401-8]
II.B.3.a.1 To determine compliance with the above operational limit, the owner/operator shall: A. Determine hours of operation by supervisor monitoring and maintaining an engine operations log B. Use the hours of operation to calculate a new rolling 12-month total by the 20th day of each month using data from the previous 12 months C. Record daily hours of operation and the rolling 12-month total of hours operated. [R307-401-8] II.B.3.b The owner/operator shall not allow visible emissions from the stationary diesel engine on site to
exceed 20% opacity. [R307-201-3]

II.B.3.c The owner/operator shall only combust diesel fuel that meets the definition of ultra-low sulfur diesel (ULSD), which has a sulfur content of 15 ppm or less. [40 CFR 63 Subpart ZZZZ]
II.B.3.c.1 The sulfur content shall be determined by ASTM Method D2880-71, D4294-89, or approved equivalent. Certification of diesel fuel shall be either by the owner/operator's own testing or by
test reports from the diesel fuel marketer. [R307-203-1]

II.B.4 Haul Road and Fugitive Dust Requirements: II.B.4.a The owner/operator shall not allow visible emissions from haul roads and fugitive dust sources
on site to exceed 20% opacity. [R307-205-4]

II.B.4.a.1 Visible emission determinations for fugitive dust emissions from haul-road traffic and mobile equipment in operational areas shall use procedures similar to Method 9. The normal requirement for observations to be made at 15-second intervals over a six-minute period, however, shall not apply. Visible emissions shall be measured at the densest point of the plume but at a point not less than 1/2 vehicle length behind the vehicle and not less than 1/2 the height of the vehicle. [R307-205-4] II.B.4.b The owner/operator shall cover all haul roads and loader routes with road-base material.
[R307-401-8]

II.B.4.c The owner/operator shall use water application to maintain the opacity limits listed in this AO. The owner/operator may stop applying water to the haul roads and loader routes when the temperature is below freezing. [R307-401-8] II.B.4.c.1 The owner/operator shall keep records of water application for all periods when the plant is in
operation. The records shall include the following items:

A. Date and time treatments were made

B. Number of treatments made and quantity of water applied

C. Rainfall amount received, if any

D. Records of temperature, if the temperature is below freezing.

[R307-401-8]

DAQE-AN143470002-25
Page 8

II.B.4.d The owner/operator shall apply water from conveyor sprays and water trucks to all storage piles on site to control fugitive emissions. The owner/operator shall operate sprays as required to maintain the opacity limits listed in this AO when the temperature is above freezing. [R307-401-8]
II.B.4.e The owner/operator shall comply with all applicable requirements of R307-205 for Fugitive Emission and Fugitive Dust sources on site. [R307-205]

PERMIT HISTORY

This Approval Order shall supersede (if a modification) or will be based on the following documents:
Supersedes AO DAQE-AN0143470001-11 dated May 18, 2011 Is Derived From NOI dated December 12, 2024 Incorporates Additional Information dated January 9, 2025 Incorporates Additional Information dated January 17, 2025 Incorporates Additional Information dated February 4, 2025
DAQE-AN143470002-25
Page 9

ACRONYMS

The following lists commonly used acronyms and associated translations as they apply to this document:

40 CFR Title 40 of the Code of Federal Regulations
AO Approval Order
BACT Best Available Control Technology
CAA Clean Air Act
CAAA Clean Air Act Amendments
CDS Classification Data System (used by Environmental Protection Agency to classify
sources by size/type)
CEM Continuous emissions monitor
CEMS Continuous emissions monitoring system
CFR Code of Federal Regulations
CMS Continuous monitoring system
CO Carbon monoxide
CO2 Carbon Dioxide
CO2e Carbon Dioxide Equivalent - Title 40 of the Code of Federal Regulations Part 98,
Subpart A, Table A-1
COM Continuous opacity monitor
DAQ/UDAQ Division of Air Quality
DAQE This is a document tracking code for internal Division of Air Quality use
EPA Environmental Protection Agency
FDCP Fugitive dust control plan
GHG Greenhouse Gas(es) - Title 40 of the Code of Federal Regulations 52.21 (b)(49)(i)
GWP Global Warming Potential - Title 40 of the Code of Federal Regulations Part 86.1818-
12(a)
HAP or HAPs Hazardous air pollutant(s)
ITA Intent to Approve
LB/YR Pounds per year MACT Maximum Achievable Control Technology MMBTU Million British Thermal Units NAA Nonattainment Area NAAQS National Ambient Air Quality Standards NESHAP National Emission Standards for Hazardous Air Pollutants NOI Notice of Intent
NOx Oxides of nitrogen
NSPS New Source Performance Standard
NSR New Source Review
PM10 Particulate matter less than 10 microns in size
PM2.5 Particulate matter less than 2.5 microns in size
PSD Prevention of Significant Deterioration
PTE Potential to Emit
R307 Rules Series 307
R307-401 Rules Series 307 - Section 401
SO2 Sulfur dioxide
Title IV Title IV of the Clean Air Act
Title V Title V of the Clean Air Act
TPY Tons per year
UAC Utah Administrative Code
VOC Volatile organic compounds

Lucia Mason <[e-mail]>
DAQ Approval Order Review, 14347: Staker & Parson Companies- Maeser West Aggregate Facility
3 messages
Lucia Mason <[e-mail]>Wed, Feb 26, 2025 at 5:53 PM
To: "Cowlishaw, Jeffery (Staker & Parson Companies)" <[e-mail]>
Hi Jeffery,
The DAQ has completed Staker & Parson Companies' updated Approval Order for the Maeser West Aggregate Facility (site 14347). Before it's issued you have ten
days to review the document. Please return any questions or concerns by 3/8. If you approve of the document, please return a signed copy. The updated permit is
attached.
Thanks,
Lucia
DAQE-RN143470002-25.rtf
1531K
Cowlishaw, Jeffery (Staker Parson Materials & Construction) <[e-mail]>Tue, Mar 11, 2025 at 2:39 PM
To: Lucia Mason <[e-mail]>
Lucia,

Attached is the signed AO for West Maeser.

Thanks,

Jeffery (J) Cowlishaw
Environmental Specialist

3/11/25, 3:01 PM State of Utah Mail - DAQ Approval Order Review, 14347: Staker & Parson Companies- Maeser West Aggregate Facility
https://mail.google.com/mail/u/0/?ik=509389cc4c&view=pt&search=all&permthid=thread-a:r-9167051359822396948&simpl=msg-a:r6855045707498546614&simpl=msg-f:1826331658104603136&simpl…1/3
Staker Parson Materials & Construction
A CRH COMPANY
2350 S 1900 W
Ogden, Utah 84401
C [phone]
E [e-mail]

www.stakerparson.com

The Preferred Source for quality sand, rock, landscape products, ready mix concrete, asphalt, paving & construction services.

From: Lucia Mason <[e-mail]>
Sent: Wednesday, February 26, 2025 5:54 PM
To: Cowlishaw, Jeffery (Staker Parson Materials & Construcon) <[e-mail]>
Subject: [EXT] [WARNING: ATTACHMENT(S) MAY CONTAIN MALWARE]DAQ Approval Order Review, 14347: Staker & Parson Companies- Maeser West
Aggregate Facility

CAUTION: This email originated from outside of the organizaon. Do not click links or open aachments unless you are expecng this email and know the contents are safe.
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3/11/25, 3:01 PM State of Utah Mail - DAQ Approval Order Review, 14347: Staker & Parson Companies- Maeser West Aggregate Facility
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Lucia Mason <[e-mail]>Tue, Mar 11, 2025 at 3:01 PM
To: "Cowlishaw, Jeffery (Staker Parson Materials & Construction)" <[e-mail]>
Thank you!
[Quoted text hidden]
3/11/25, 3:01 PM State of Utah Mail - DAQ Approval Order Review, 14347: Staker & Parson Companies- Maeser West Aggregate Facility
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