DAQ-2024-011090

DAQE-AN119990003-24

{{$d1 }}

Gary Streadbeck
Adonis Bronze
450 South Alpine Highway, Suite 102
Alpine, UT 84004
[e-mail]

Dear Mr. Streadbeck:

Re: Approval Order: Administrative Amendment to Approval Order DAQE-923-97 for a 10-Year
Review and Permit Updates
Project Number: N119990003

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. Adonis Bronze must comply
with the requirements of this AO, all applicable state requirements (R307), and Federal Standards.

The project engineer for this action is Christine Bodell, 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:CB:jg

cc: Wasatch County 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

Kimberly D. Shelley
Executive Director

DIVISION OF AIR QUALITY
Bryce C. Bird
Director

September 27, 2024

STATE OF UTAH
Department of Environmental Quality
Division of Air Quality

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APPROVAL ORDER
DAQE-AN119990003-24
Administrative Amendment to Approval Order
DAQE-923-97 for a 10-Year Review and Permit Updates

Prepared By
Christine Bodell, Engineer
[phone]
[e-mail]

Issued to
Adonis Bronze - Bronze Molding Facility

Issued On
{{$d2 }}

Issued By

{{$s }}

Bryce C. Bird
Director
Division of Air Quality

September 27, 2024
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.................................................................................................................. 3
SUMMARY OF EMISSIONS .................................................................................................... 4
SECTION I: GENERAL PROVISIONS .................................................................................... 4
SECTION II: PERMITTED EQUIPMENT .............................................................................. 5
SECTION II: SPECIAL PROVISIONS ..................................................................................... 6
PERMIT HISTORY ..................................................................................................................... 6
ACRONYMS ................................................................................................................................. 7

DAQE-AN119990003-24
Page 3

GENERAL INFORMATION

CONTACT/LOCATION INFORMATION

Owner Name Source Name
Adonis Bronze Adonis Bronze - Bronze Molding Facility

Mailing Address Physical Address
450 South Alpine Highway, Suite 102 450 South Alpine Highway, Suite 102
Alpine, UT 84004 Alpine, UT 84004

Source Contact UTM Coordinates
Name: Gary Streadbeck 433,777 m Easting
Phone: [phone],477,712 m Northing
Email: [e-mail] Datum NAD83
UTM Zone 12
SIC code 3316 (Cold-Rolled Steel Sheet, Strip, & Bars)

SOURCE INFORMATION
General Description
Adonis Bronze (Adonis) owns and operates a bronze molding facility in the city of Alpine, Utah County.
Bronze sculptures are molded from clay sculptures of various artists using thin ceramic molds that are
created using a natural gas-fired kiln. Bronze metal is melted using two (2) small natural gas-fired kilns
and subsequently poured into the molds. The molds are chipped away, and the bronze sculptures are
sandblasting for cleaning.

NSR Classification
10-Year Review

Source Classification
Located in Southern Wasatch Front O3 NAA, Provo UT PM2.5 NAA
Utah County
Airs Source Size: B

Applicable Federal Standards
None
Project Description
This administrative amendment is to AO DAQE-923-97, dated October 2, 1997. The DAQ is conducting
a 10-year review and is updating the language and format of the 1997 AO.

DAQE-AN119990003-24
Page 4

According to Adonis and a DAQ Compliance Inspection Memorandum (See DAQC-036-16, dated
January 6, 2016), Equipment C in Condition #5 (J.F. McCaughin Co. # 4-102 Gas-Heated Scoth Marine
Steam Boiler, 35 HP) of the 1997 AO was replaced in 2012. The new boiler is a Cleaver Brooks natural
gas-fired boiler with a rating of 2.5 MMBtu/hr (~75 hp). Utah Administrative Code (UAC) Rule
R307-401-10(1) exempts natural gas fuel-burning equipment with a rated capacity of less than 5
MMBtu/hr from the approval order process.

Emissions are adjusted to account for the PTE increase due to the new boiler's higher rating.

Additionally, Equipment E in Condition #5 (Bronze Meltdown Kiln #2) of the 1997 AO was never
installed. This equipment will be removed in the current AO.

There are no changes to the operations taking place at the Adonis Bronze Molding facility.

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)
Carbon Monoxide 0.47 0.68
Nitrogen Oxides 0.28 0.95
Particulate Matter - PM10 0.04 5.95
Particulate Matter - PM2.5 0.04 5.95
Sulfur Dioxide 0.00 0.01
Volatile Organic Compounds 0.03 0.07

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-AN119990003-24
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 Bronze Molding Facility
II.A.2 Two (2) Dust Collectors One (1) Dust Collector Model: #FFBW-DC Dust Hog Location: Sandblast Room One (1) Dust Collector Model: #F200-5-D Dust Hog Location: Clipping/Blasting Room II.A.3 One (1) Bronze Meltdown Kiln
II.A.4 One (1) Pre-heat Oven Kiln For firing ceramic II.A.5 One (1) Boiler Rating: 2.5 MMBtu/hr Fuel: Natural Gas

DAQE-AN119990003-24
Page 6

SECTION II: SPECIAL PROVISIONS
II.B REQUIREMENTS AND LIMITATIONS

II.B.1 Site-Wide Requirements
II.B.1.a The owner/operator shall not allow visible emissions from the following emission points to
exceed the following values:

A. Baghouses - 10% opacity.

B. All other points - 20% opacity.

[R307-401-8]

II.B.1.a.1 Opacity observations of emissions from stationary sources shall be conducted according to 40 CFR 60, Appendix A, Method 9. Visible emissions from mobile sources and intermittent sources shall use procedures similar to Method 9, but the requirement for observations to be made at 15-second intervals over a six-minute period shall not apply. Any time interval with no visible emissions shall not be included. [R307-401-8]
II.B.1.b The owner/operator shall use the baghouse model #FFBW-DC to control process streams from
the Sandblast room. All exhaust air from the Sandblast room shall be routed through the
baghouse model #FFBW-DC before being vented to the atmosphere. [R307-401-8]

II.B.1.c The owner/operator shall use the baghouse model #F200-5-D to control process streams from the Clipping/Blasting room. All exhaust air from the Clipping/Blasting room shall be routed through the baghouse model #F200-5-D before being vented to the atmosphere. [R307-401-8]
II.B.1.d The owner/operator shall comply with all applicable requirements of UAC R307-306 (PM10
Nonattainment and Maintenance Areas: Abrasive Blasting), and UAC R307-325 (Ozone
Nonattainment and Maintenance Areas: General Requirements). [R307-306, R307-325]

II.B.2 Operator Training Requirements
II.B.2.a At least once per calendar year, all employees who operate equipment (operator) that produces
and/or controls emissions to the air shall receive proper training as to their responsibilities in
operating that equipment according to all relevant conditions of this AO. The training for each
operator shall be for all equipment that operator operates and shall include all of the equipment
listed in this AO. Within 60 days of every time this AO is modified or reissued, those employees
who operate equipment that produces and/or controls emissions to the air that is affected by the
AO changes shall receive proper training as to their responsibilities in operating equipment
according to all relevant conditions of this AO. Within 60 days of a new operator being
employed or assigned with the job responsibility to operate any of the equipment that produces
and/or controls emissions to the air, the new operator shall receive proper training as to their
responsibilities in operating the equipment according to all relevant conditions of this AO.
[R307-401-8]
II.B.3 Fuel Requirements
II.B.3.a The owner/operator shall use only natural gas as fuel for the boilers and the kilns and shall use
only propane as fuel in the antiquing torches. [R307-401-8]

PERMIT HISTORY

This Approval Order shall supersede (if a modification) or will be based on the following documents:
Supersedes AO DAQE-923-97 dated October 2, 1997
DAQE-AN119990003-24
Page 7

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

DAQE-

RN119990003 September 16, 2024 Gary Streadbeck
Adonis Bronze 450 South Alpine Hwy, Suite 102 Alpine, UT 84004
[e-mail] Dear Gary Streadbeck,
Re: Engineer Review - 10-Year Review and Permit Updates: Administrative Amendment to Approval Order DAQE-923-97 for a 10-Year Review and Permit Updates Project Number: N119990003 The DAQ requests a company representative review and sign the attached Engineer Review (ER). This ER identifies all applicable elements of the New Source Review (NSR) permitting program. Adonis Bronze should complete this review within 10 business days of receipt. Adonis Bronze should contact Christine Bodell at [phone] if there are questions or concerns with
the review of the draft permit conditions. Upon resolution of your concerns, please email Christine Bodell at [e-mail] the signed cover letter. Upon receipt of the signed cover letter, the DAQ will prepare an Approval Order (AO) for signature by the DAQ Director. If Adonis Bronze does not respond to this letter within 10 business days, the project will move forward without source concurrence. If Adonis Bronze has concerns that cannot be resolved and the project
becomes stagnant, the DAQ Director may issue an Order prohibiting construction. Approval Signature _____________________________________________________________
(Signature & Date)
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
Department of Environmental Quality
Kimberly D. Shelley Executive Director DIVISION OF AIR QUALITY Bryce C. Bird Director
State of Utah
SPENCER J. COX Governor DEIDRE HENDERSON Lieutenant Governor

Engineer Review N119990003: Adonis Bronze- Bronze Molding Facility September 16, 2024 Page 1
UTAH DIVISION OF AIR QUALITY
ENGINEER REVIEW

SOURCE INFORMATION
Project Number N119990003 Owner Name Adonis Bronze Mailing Address 450 South Alpine Hwy, Suite 102
Alpine, UT, 84004 Source Name Adonis Bronze- Bronze Molding Facility
Source Location 450 South Alpine Hwy, Suite 102 Alpine, UT 84004
UTM Projection 433,777 m Easting, 4,477,712 m Northing UTM Datum NAD83 UTM Zone UTM Zone 12 SIC Code 3316 (Cold-Rolled Steel Sheet, Strip, & Bars) Source Contact Gary Streadbeck Phone Number [phone] Email [e-mail] Billing Contact Gary Streadbeck Phone Number [phone]
Email [e-mail] Project Engineer Christine Bodell, Engineer
Phone Number [phone] Email [e-mail]
Notice of Intent (NOI) Submitted August 14, 2024 Date of Accepted Application August 19, 2024

Engineer Review N119990003: Adonis Bronze- Bronze Molding Facility September 16, 2024 Page 2
SOURCE DESCRIPTION General Description
Adonis Bronze (Adonis) owns and operates a bronze molding facility in the city of Alpine, Utah County. Bronze sculptures are molded from clay sculptures of various artists using thin ceramic molds that are created using a natural gas-fired kiln. Bronze metal is melted using two small
natural gas fired kilns and subsequently poured into the molds. The molds are chipped away and the bronze sculptures are sandblasting for cleaning. NSR Classification: 10 Year Review Source Classification Located in Southern Wasatch Front O3 NAA, Provo UT PM2.5 NAA Utah County Airs Source Size: B
Applicable Federal Standards None
Project Proposal Administrative Amendment to Approval Order DAQE-923-97 for a 10-Year Review and Permit Updates
Project Description This administrative amendment is to Approval Order (AO) DAQE-923-97, dated October 2, 1997. The DAQ is conducting a 10-year review and is updating the language and format of the 1997 AO.
According to Adonis and a DAQ Compliance Inspection Memorandum (See DAQC-036-16, dated January 6, 2016), Equipment C in Condition #5 (J.F McCaughin Co. # 4-102 Gas heated Scoth Marine steam boiler 35 HP) of the 1997 AO was replaced in 2012. The new boiler is a Cleaver Brooks, natural gas-fired boiler with a rating of 2.5 MMBtu/hr (~75 hp). Utah Administrative Code (UAC) Rule R307-401-10(1) exempts natural gas fuel-burning equipment with a rated capacity of less than 5 MMBtu/hr from the approval order process. Emissions are adjusted to account for the PTE increase due to the new boiler's higher rating.
Additionally, Equipment F in Condition #5 (Bronze Meltdown Kiln #2) of the 1997 AO was never installed. This equipment will be removed in the current AO.
There are no changes to the operations taking place at the Adonis Bronze Molding facility. EMISSION IMPACT ANALYSIS Per R307-401-10, the new natural gas-fired boiler, rated at 2.5 MMBtu/hr, is exempt from the requirements to obtain an AO; therefore, modeling is not required. [Last updated August 14, 2024]

Engineer Review N119990003: Adonis Bronze- Bronze Molding Facility September 16, 2024 Page 3
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) Carbon Monoxide 0.47 0.68 Nitrogen Oxides 0.28 0.95
Particulate Matter - PM10 0.04 5.95
Particulate Matter - PM2.5 0.04 5.95
Sulfur Dioxide 0.00 0.01
Volatile Organic Compounds 0.03 0.07

Note: Change in emissions indicates the difference between previous AO and proposed modification.

Engineer Review N119990003: Adonis Bronze- Bronze Molding Facility September 16, 2024 Page 4
Review of BACT for New/Modified Emission Units 1. BACT review regarding 10 Year Review
Per R307-401-10, the new natural gas-fired boiler, rated at 2.5 MMBtu/hr, is exempt from the requirements to obtain an AO; therefore, a BACT analysis is not required. [Last updated August 14, 2024]

SECTION I: GENERAL PROVISIONS
The intent is to issue an air quality AO authorizing the project with the following recommended conditions and that failure to comply with any of the conditions may constitute a violation of the AO. (New or Modified conditions are indicated as “New” in the Outline Label): 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]
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]

Engineer Review N119990003: Adonis Bronze- Bronze Molding Facility September 16, 2024 Page 5
SECTION II: PERMITTED EQUIPMENT The intent is to issue an air quality AO authorizing the project with the following recommended conditions and that failure to comply with any of the conditions may constitute a violation of the
AO. (New or Modified conditions are indicated as “New” in the Outline Label): II.A THE APPROVED EQUIPMENT
II.A.1 NEW Bronze Molding Facility
II.A.2 NEW Two (2) Dust Collectors One (1) Dust Collector Model #: FFBW-DC Dust Hog Location: Sandblast Room One (1) Dust Collector Model #: F200-5-D Dust Hog Location: Clipping/Blasting Room
II.A.3 NEW One (1) Bronze Meltdown Kiln II.A.4 NEW One (1) Pre-heat Oven Kiln For firing ceramic
II.A.5
NEW
One (1) Boiler
Rating: 2.5 MMBtu/hr Fuel: Natural Gas

SECTION II: SPECIAL PROVISIONS The intent is to issue an air quality AO authorizing the project with the following recommended conditions and that failure to comply with any of the conditions may constitute a violation of the AO. (New or Modified conditions are indicated as “New” in the Outline Label): II.B REQUIREMENTS AND LIMITATIONS
II.B.1 NEW Site-Wide Requirements
II.B.1.a NEW The owner/operator shall not allow visible emissions from the following emission points to exceed the following values: A. Baghouses - 10% opacity B. All other points - 20% opacity
[R307-401-8]

Engineer Review N119990003: Adonis Bronze- Bronze Molding Facility September 16, 2024 Page 6
II.B.1.a.1 NEW Opacity observations of emissions from stationary sources shall be conducted according to 40 CFR 60, Appendix A, Method 9. Visible emissions from mobile sources and intermittent sources shall use procedures similar to Method 9, but the requirement for observations to be
made at 15 second intervals over a six-minute period shall not apply. Any time interval with no visible emissions shall not be included. [R307-401-8]
II.B.1.b NEW The owner/operator shall use the baghouse model #FFBW-DC to control process streams from the Sandblast room. All exhaust air from the Sandblast room shall be routed through the baghouse model #FFBW-DC before being vented to the atmosphere. [R307-401-8] II.B.1.c NEW The owner/operator shall use the baghouse model F200-5-D to control process streams from the Clipping/Blasting room. All exhaust air from the Clipping/Blasting room shall be routed through the baghouse model # F200-5-D before being vented to the atmosphere. [R307-401-8] II.B.1.d NEW The owner/operator shall comply with all applicable requirements of UAC R307-306 (PM10 Nonattainment and Maintenance Areas: Abrasive Blasting), and UAC R307-325 (Ozone
Nonattainment and Maintenance Areas: General Requirements). [R307-306, R307-325] II.B.2 NEW Operator Training Requirements
II.B.2.a NEW At least once per calendar year, all employees who operate equipment (operator) that produces and/or controls emissions to the air shall receive proper training as to their responsibilities in operating that equipment according to all relevant conditions of this AO. The training for each operator shall be for all equipment that operator operates and shall include all of the equipment listed in this AO. Within 60 days of every time this AO is modified or reissued, those employees who operate equipment that produces and/or controls emissions to the air that is affected by the AO changes shall receive proper training as to their responsibilities in operating equipment according to all relevant conditions of this AO. Within 60 days of a new operator being employed or assigned with the job responsibility to operate any of the equipment that produces and/or controls emissions to the air, the new operator shall receive proper training as to their responsibilities in operating the equipment according to all relevant conditions of this AO. [R307-401-8]
II.B.3 NEW Fuel Requirements
II.B.3.a
NEW
The owner/operator shall use only natural gas as fuel for the boilers and the kilns and shall use
only propane as fuel in the antiquing torches. [R307-401-8]

Engineer Review N119990003: Adonis Bronze- Bronze Molding Facility September 16, 2024 Page 7
PERMIT HISTORY When issued, the approval order shall supersede (if a modification) or will be based on the
following documents: Supersedes AO DAQE-923-97 dated October 2, 1997
REVIEWER COMMENTS
1. Comment regarding 10 Year Review:
The existing AO was issued in 1997. In 2012, the existing boiler was replaced by a natural gas-fired 2.5 MMBtu/hr boiler. Under UAC R307-410-10(1), the boiler is exempt from the Approval Order process. However, the PTE's have been updated to reflect the replacement using emission factors from AP-42 Chapter 1.4 (Natural Gas Combustion). The source is not modifying and/or installing any new equipment. The PTE of PM2.5 was not included in the 1997 AO. For a conservative estimate, the PTE of PM2.5 is assumed to equal the PTE of PM10 . The 1997 AO did not include any estimates for CO2e or HAPs. PTE's should be updated in the future if the source modifies any equipment or process.
Additionally, the rule references have been renumbered, the equipment list is separated into another area in the 2024 AO, and the text of each rule and conditions have been modified to reflect the current language and formatting.
[Last updated August 19, 2024] 2. Comment regarding Federal Subpart and Title V Applicability:
Title V of the 1990 Clean Air Act (Title V) applies to the following: 1. Any major source 2. Any source subject to a standard, limitation, or other requirement under Section 111 of the Act, Standards of Performance for New Stationary Sources;
3. Any source subject to a standard or other requirement under Section 112 of the Act, Hazardous Air Pollutants; 4. Any Title IV affected source.
This facility is not a major source and is not a Title IV source. The facility is not subject to 40 CFR 60 (NSPS), 40 CFR 61 (NESHAP), or 40 CFR 63 (MACT) regulations. Therefore, Title V does not apply to this facility. [Last updated August 19, 2024]

Engineer Review N119990003: Adonis Bronze- Bronze Molding Facility September 16, 2024 Page 8
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 EPA 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 - 40 CFR 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 UDAQ use EPA Environmental Protection Agency
FDCP Fugitive dust control plan GHG Greenhouse Gas(es) - 40 CFR 52.21 (b)(49)(i) GWP Global Warming Potential - 40 CFR Part 86.1818-12(a)
HAP or HAPs Hazardous air pollutant(s) ITA Intent to Approve LB/HR Pounds per hour
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
Heating Value of Natural Gas 1020 BTU/scf or MMBtu/MMscf
Equipment Details
Rating 1.2 MMBtu/hour 35 HP = 1.2 MMBtu/hr NOx Size Table 1.4-1 lb/10^6 scf lb/MMBtu lb/hr Ton/year CheckOperational Hours 8,760 hours/year >100 MMBtu/hr Uncontrolled - Pre NSPS (Subparts D & Db)280 0.2745 0.33 1.44FiringNormal>100 MMBtu/hr Uncontrolled - Post NSPS (Subparts D & Db)190 0.1863 0.22 0.98>100 MMBtu/hr Controlled - Low Nox burners 140 0.1373 0.16 0.72
Criteria Pollutant Concentration(ppm)
Emission Factor(lb/10^6 scf)
EmissionRate(lbs/hr)
EmissionTotal(tons/year)Reference >100 MMBtu/hr Controlled - Flue gas recirculation (FGR)100 0.0980 0.12 0.52NOX500.06 0.26 <100 MMBtu/hr Uncontrolled 100 0.0980 0.12 0.52CO840.10 0.43 <100 MMBtu/hr Controlled - Low Nox burners 50 0.0490 0.06 0.26 MatchPM107.6 0.01 0.04 <100 MMBtu/hr Controlled - Low Nox burners/FGR 32 0.0314 0.04 0.16PM2.5 7.6 0.01 0.04 Tangential-Fired Uncontrolled 170 0.1667 0.20 0.88SO20.6 0.00 0.00 Tangential-Fired Controlled - FGR 76 0.0745 0.09 0.39VOC5.5 0.01 0.03Lead0.0005 0.00 0.00 CO Size Table 1.4-1 lb/10^6 scf lb/MMBtu lb/hr Ton/year CheckHAP0.00 0.01 See Below >100 MMBtu/hr Uncontrolled - Pre NSPS (Subparts D & Db)84 0.0824 0.10 0.43 Match>100 MMBtu/hr Uncontrolled - Post NSPS (Subparts D & Db)84 0.0824 0.10 0.43 Match
Green House Gas Pollutant
Global Warming Potential
Emission Factor(lb/10^6 scf)
EmissionRate(lbs/hr)
EmissionTotal(tons/year)Reference >100 MMBtu/hr Controlled - Low Nox burners 84 0.0824 0.10 0.43 MatchCO2 (mass basis)1 120,000 141 618 >100 MMBtu/hr Controlled - Flue gas recirculation (FGR)84 0.0824 0.10 0.43 MatchMethane (mass basis)25 2.3 0.00 0.01 <100 MMBtu/hr Uncontrolled 84 0.0824 0.10 0.43 MatchN2O (mass basis)298 2.2 0.00 0.01 <100 MMBtu/hr Controlled - Low Nox burners 84 0.0824 0.10 0.43 MatchCO2e622<100 MMBtu/hr Controlled - Low Nox burners/FGR 84 0.0824 0.10 0.43 MatchTangential-Fired Uncontrolled 24 0.0235 0.03 0.12
Hazardous Air Pollutant
EmissionRate(lbs/hr)
EmissionTotal(tons/year)Reference Tangential-Fired Controlled - FGR 98 0.0961 0.12 0.502-Methylnaphthalene 2.40E-05 2.82E-08 1.24E-073-Methylchloranthrene 1.80E-06 2.12E-09 9.28E-09 Any Size Table 1.4-2 lb/10^6 scf lb/MMBtu lb/hr Ton/year Check7,12-Dimethylbenz(a)anthracene 1.60E-05 1.88E-08 8.24E-08 CO2 120,000 117.6471 141 618Acenaphthene1.80E-06 2.12E-09 9.28E-09 Lead 0.0005 0.0000 0.00 0.00 MatchAcenaphthylene1.80E-06 2.12E-09 9.28E-09 N2O Uncontrolled 2.2 0.0022 0.00 0.01 MatchAnthracene2.40E-06 2.82E-09 1.24E-08 Controlled - Low Nox burners 0.64 0.0006 0.00 0.00Benz(a)anthracene 1.80E-06 2.12E-09 9.28E-09 PM (total)7.6 0.0075 0.01 0.04 MatchBenzene2.10E-03 2.47E-06 1.08E-05 PM (cond)5.7 0.0056 0.01 0.03Benzo(a)pyrene 1.20E-06 1.41E-09 6.18E-09 PM (filter)1.9 0.0019 0.00 0.01Benzo(b)fluoranthene 1.80E-06 2.12E-09 9.28E-09 SO2 0.6 0.0006 0.00 0.00 MatchBenzo(g,h,i)perylene 1.20E-06 1.41E-09 6.18E-09 TOC 11 0.0108 0.01 0.06Benzo(k)fluoranthene 1.80E-06 2.12E-09 9.28E-09 Methane 2.3 0.0023 0.00 0.01 MatchChrysene1.80E-06 2.12E-09 9.28E-09 VOC 5.5 0.0054 0.01 0.03 MatchDibenzo(a,h)anthracene 1.20E-06 1.41E-09 6.18E-09Dichlorobenzene1.20E-03 1.41E-06 6.18E-06 Global Warming Potential lb/hr Ton/yearFluoranthene3.00E-06 3.53E-09 1.55E-08 CO2 1 141 618Fluorene2.80E-06 3.29E-09 1.44E-08 Methane 25 0 0Formaldehyde7.50E-02 8.82E-05 3.86E-04 N2O 298 1 3Hexane1.80E+00 2.12E-03 9.28E-03 CO2e Total CO2e 142 622 MatchIndeno(1,2,3-cd)pyrene 1.80E-06 2.12E-09 9.28E-09Naphthalene6.10E-04 7.18E-07 3.14E-06 HAP - Organic Table 1.4-3 lb/10^6 scf lb/MMBtu lb/hr Ton/year CheckPhenanathrene1.70E-05 2.00E-08 8.76E-08 2-Methylnaphthalene 2.40E-05 2.35E-08 2.82E-08 1.24E-07 MatchPyrene5.00E-06 5.88E-09 2.58E-08 3-Methylchloranthrene 1.80E-06 1.76E-09 2.12E-09 9.28E-09 MatchToluene3.40E-03 4.00E-06 1.75E-05 7,12-Dimethylbenz(a)anthracene 1.60E-05 1.57E-08 1.88E-08 8.24E-08 MatchArsenic2.00E-04 2.35E-07 1.03E-06 Acenaphthene 1.80E-06 1.76E-09 2.12E-09 9.28E-09 MatchBeryllium1.20E-05 1.41E-08 6.18E-08 Acenaphthylene 1.80E-06 1.76E-09 2.12E-09 9.28E-09 MatchCadmium1.10E-03 1.29E-06 5.67E-06 Anthracene 2.40E-06 2.35E-09 2.82E-09 1.24E-08 MatchChromium1.40E-03 1.65E-06 7.21E-06 Benz(a)anthracene 1.80E-06 1.76E-09 2.12E-09 9.28E-09 MatchCobalt8.40E-05 9.88E-08 4.33E-07 Benzene 2.10E-03 2.06E-06 2.47E-06 1.08E-05 MatchManganese3.80E-04 4.47E-07 1.96E-06 Benzo(a)pyrene 1.20E-06 1.18E-09 1.41E-09 6.18E-09 MatchMercury2.60E-04 3.06E-07 1.34E-06 Benzo(b)fluoranthene 1.80E-06 1.76E-09 2.12E-09 9.28E-09 MatchNickel2.10E-03 2.47E-06 1.08E-05 Benzo(g,h,i)perylene 1.20E-06 1.18E-09 1.41E-09 6.18E-09 MatchSelenium2.40E-05 2.82E-08 1.24E-07 Benzo(k)fluoranthene 1.80E-06 1.76E-09 2.12E-09 9.28E-09 MatchChrysene1.80E-06 1.76E-09 2.12E-09 9.28E-09 MatchDibenzo(a,h)anthracene 1.20E-06 1.18E-09 1.41E-09 6.18E-09 MatchDichlorobenzene1.20E-03 1.18E-06 1.41E-06 6.18E-06Fluoranthene3.00E-06 2.94E-09 3.53E-09 1.55E-08 MatchFluorene2.80E-06 2.75E-09 3.29E-09 1.44E-08 MatchFormaldehyde7.50E-02 7.35E-05 8.82E-05 3.86E-04 MatchHexane1.80E+00 1.76E-03 2.12E-03 9.28E-03 MatchIndeno(1,2,3-cd)pyrene 1.80E-06 1.76E-09 2.12E-09 9.28E-09 MatchNaphthalene6.10E-04 5.98E-07 7.18E-07 3.14E-06 MatchPhenanathrene1.70E-05 1.67E-08 2.00E-08 8.76E-08 MatchPyrene5.00E-06 4.90E-09 5.88E-09 2.58E-08 MatchToluene3.40E-03 3.33E-06 4.00E-06 1.75E-05 Match
HAP - Metal Table 1.4-4 lb/10^6 scf lb/MMBtu lb/hr Ton/year CheckArsenic2.00E-04 1.96E-07 2.35E-07 1.03E-06 MatchBeryllium1.20E-05 1.18E-08 1.41E-08 6.18E-08Cadmium1.10E-03 1.08E-06 1.29E-06 5.67E-06 MatchChromium1.40E-03 1.37E-06 1.65E-06 7.21E-06 MatchCobalt8.40E-05 8.24E-08 9.88E-08 4.33E-07 MatchManganese3.80E-04 3.73E-07 4.47E-07 1.96E-06 MatchMercury2.60E-04 2.55E-07 3.06E-07 1.34E-06 MatchNickel2.10E-03 2.06E-06 2.47E-06 1.08E-05 MatchSelenium2.40E-05 2.35E-08 2.82E-08 1.24E-07 Match
Total HAP Total HAP lb/hr Ton/year Check0.00 0.01 Match
ppm to lb/MMBtu Conversion.
Source: AQMD Permit Sample Evaluation Natural Gas Fired Boiler 5-20 MMBTU/HR, 2007
Nox Molecular Weight 46.1 lb/lb-moleCO Molecular Weight 28.01 lb/lb-mole
Concentration lb/MMBtu lb/hr Ton/year CheckNox000.00 0.00CO000.00 0.00
AP-42 Table 1.4-3
AP-42 Table 1.4-4
Natural Gas-Fired Boilers & Heaters
Manufacturer Dataor AP-42 Table 1.4-1
AP-42 Table 1.4-2
AP-42 Table 1.4-2&Table A-1 toSubpart A of Part 98
Emission Factor(lb/10^6 scf)
Page 1 of Version 1.0 November 29, 2018
Heating Value of Natural Gas 1020 BTU/scf or MMBtu/MMscf
Equipment Details
Rating 2.5 MMBtu/hour 75 HP = 2.5 MMBtu/hr NOx Size Table 1.4-1 lb/10^6 scf lb/MMBtu lb/hr Ton/year CheckOperational Hours 8,760 hours/year >100 MMBtu/hr Uncontrolled - Pre NSPS (Subparts D & Db)280 0.2745 0.69 3.01FiringNormal>100 MMBtu/hr Uncontrolled - Post NSPS (Subparts D & Db)190 0.1863 0.47 2.040>100 MMBtu/hr Controlled - Low Nox burners 140 0.1373 0.34 1.50
Criteria Pollutant Concentration(ppm)
Emission Factor(lb/10^6 scf)
EmissionRate(lbs/hr)
EmissionTotal(tons/year)Reference >100 MMBtu/hr Controlled - Flue gas recirculation (FGR)100 0.0980 0.25 1.07NOX500.12 0.54 <100 MMBtu/hr Uncontrolled 100 0.0980 0.25 1.07CO840.21 0.90 <100 MMBtu/hr Controlled - Low Nox burners 50 0.0490 0.12 0.54 MatchPM107.6 0.02 0.08 <100 MMBtu/hr Controlled - Low Nox burners/FGR 32 0.0314 0.08 0.34PM2.5 7.6 0.02 0.08 Tangential-Fired Uncontrolled 170 0.1667 0.42 1.83SO20.6 0.00 0.01 Tangential-Fired Controlled - FGR 76 0.0745 0.19 0.82VOC5.5 0.01 0.06Lead0.0005 0.00 0.00 CO Size Table 1.4-1 lb/10^6 scf lb/MMBtu lb/hr Ton/year CheckHAP0.00 0.02 See Below >100 MMBtu/hr Uncontrolled - Pre NSPS (Subparts D & Db)84 0.0824 0.21 0.90 Match>100 MMBtu/hr Uncontrolled - Post NSPS (Subparts D & Db)84 0.0824 0.21 0.90 Match
Green House Gas Pollutant
Global Warming Potential
Emission Factor(lb/10^6 scf)
EmissionRate(lbs/hr)
EmissionTotal(tons/year)Reference >100 MMBtu/hr Controlled - Low Nox burners 84 0.0824 0.21 0.90 MatchCO2 (mass basis)1 120,000 294 1,288 >100 MMBtu/hr Controlled - Flue gas recirculation (FGR)84 0.0824 0.21 0.90 MatchMethane (mass basis)25 2.3 0.01 0.02 <100 MMBtu/hr Uncontrolled 84 0.0824 0.21 0.90 MatchN2O (mass basis)298 2.2 0.01 0.02 <100 MMBtu/hr Controlled - Low Nox burners 84 0.0824 0.21 0.90 MatchCO2e1,296 <100 MMBtu/hr Controlled - Low Nox burners/FGR 84 0.0824 0.21 0.90 MatchTangential-Fired Uncontrolled 24 0.0235 0.06 0.26
Hazardous Air Pollutant
EmissionRate(lbs/hr)
EmissionTotal(tons/year)Reference Tangential-Fired Controlled - FGR 98 0.0961 0.24 1.052-Methylnaphthalene 2.40E-05 5.88E-08 2.58E-073-Methylchloranthrene 1.80E-06 4.41E-09 1.93E-08 Any Size Table 1.4-2 lb/10^6 scf lb/MMBtu lb/hr Ton/year Check7,12-Dimethylbenz(a)anthracene 1.60E-05 3.92E-08 1.72E-07 CO2 120,000 117.6471 294 1,288 MatchAcenaphthene1.80E-06 4.41E-09 1.93E-08 Lead 0.0005 0.0000 0.00 0.00 MatchAcenaphthylene1.80E-06 4.41E-09 1.93E-08 N2O Uncontrolled 2.2 0.0022 0.01 0.02 MatchAnthracene2.40E-06 5.88E-09 2.58E-08 Controlled - Low Nox burners 0.64 0.0006 0.00 0.01Benz(a)anthracene 1.80E-06 4.41E-09 1.93E-08 PM (total)7.6 0.0075 0.02 0.08 MatchBenzene2.10E-03 5.15E-06 2.25E-05 PM (cond)5.7 0.0056 0.01 0.06Benzo(a)pyrene 1.20E-06 2.94E-09 1.29E-08 PM (filter)1.9 0.0019 0.00 0.02Benzo(b)fluoranthene 1.80E-06 4.41E-09 1.93E-08 SO2 0.6 0.0006 0.00 0.01 MatchBenzo(g,h,i)perylene 1.20E-06 2.94E-09 1.29E-08 TOC 11 0.0108 0.03 0.12Benzo(k)fluoranthene 1.80E-06 4.41E-09 1.93E-08 Methane 2.3 0.0023 0.01 0.02 MatchChrysene1.80E-06 4.41E-09 1.93E-08 VOC 5.5 0.0054 0.01 0.06 MatchDibenzo(a,h)anthracene 1.20E-06 2.94E-09 1.29E-08Dichlorobenzene1.20E-03 2.94E-06 1.29E-05 Global Warming Potential lb/hr Ton/yearFluoranthene3.00E-06 7.35E-09 3.22E-08 CO2 1 294 1,288Fluorene2.80E-06 6.86E-09 3.01E-08 Methane 25 0 1Formaldehyde7.50E-02 1.84E-04 8.05E-04 N2O 298 2 7Hexane1.80E+00 4.41E-03 1.93E-02 CO2e Total CO2e 296 1,296 MatchIndeno(1,2,3-cd)pyrene 1.80E-06 4.41E-09 1.93E-08Naphthalene6.10E-04 1.50E-06 6.55E-06 HAP - Organic Table 1.4-3 lb/10^6 scf lb/MMBtu lb/hr Ton/year CheckPhenanathrene1.70E-05 4.17E-08 1.83E-07 2-Methylnaphthalene 2.40E-05 2.35E-08 5.88E-08 2.58E-07 MatchPyrene5.00E-06 1.23E-08 5.37E-08 3-Methylchloranthrene 1.80E-06 1.76E-09 4.41E-09 1.93E-08 MatchToluene3.40E-03 8.33E-06 3.65E-05 7,12-Dimethylbenz(a)anthracene 1.60E-05 1.57E-08 3.92E-08 1.72E-07 MatchArsenic2.00E-04 4.90E-07 2.15E-06 Acenaphthene 1.80E-06 1.76E-09 4.41E-09 1.93E-08 MatchBeryllium1.20E-05 2.94E-08 1.29E-07 Acenaphthylene 1.80E-06 1.76E-09 4.41E-09 1.93E-08 MatchCadmium1.10E-03 2.70E-06 1.18E-05 Anthracene 2.40E-06 2.35E-09 5.88E-09 2.58E-08 MatchChromium1.40E-03 3.43E-06 1.50E-05 Benz(a)anthracene 1.80E-06 1.76E-09 4.41E-09 1.93E-08 MatchCobalt8.40E-05 2.06E-07 9.02E-07 Benzene 2.10E-03 2.06E-06 5.15E-06 2.25E-05 MatchManganese3.80E-04 9.31E-07 4.08E-06 Benzo(a)pyrene 1.20E-06 1.18E-09 2.94E-09 1.29E-08 MatchMercury2.60E-04 6.37E-07 2.79E-06 Benzo(b)fluoranthene 1.80E-06 1.76E-09 4.41E-09 1.93E-08 MatchNickel2.10E-03 5.15E-06 2.25E-05 Benzo(g,h,i)perylene 1.20E-06 1.18E-09 2.94E-09 1.29E-08 MatchSelenium2.40E-05 5.88E-08 2.58E-07 Benzo(k)fluoranthene 1.80E-06 1.76E-09 4.41E-09 1.93E-08 MatchChrysene1.80E-06 1.76E-09 4.41E-09 1.93E-08 MatchDibenzo(a,h)anthracene 1.20E-06 1.18E-09 2.94E-09 1.29E-08 MatchDichlorobenzene1.20E-03 1.18E-06 2.94E-06 1.29E-05 MatchFluoranthene3.00E-06 2.94E-09 7.35E-09 3.22E-08 MatchFluorene2.80E-06 2.75E-09 6.86E-09 3.01E-08 MatchFormaldehyde7.50E-02 7.35E-05 1.84E-04 8.05E-04 MatchHexane1.80E+00 1.76E-03 4.41E-03 1.93E-02 MatchIndeno(1,2,3-cd)pyrene 1.80E-06 1.76E-09 4.41E-09 1.93E-08 MatchNaphthalene6.10E-04 5.98E-07 1.50E-06 6.55E-06Phenanathrene1.70E-05 1.67E-08 4.17E-08 1.83E-07 MatchPyrene5.00E-06 4.90E-09 1.23E-08 5.37E-08 MatchToluene3.40E-03 3.33E-06 8.33E-06 3.65E-05 Match
HAP - Metal Table 1.4-4 lb/10^6 scf lb/MMBtu lb/hr Ton/year CheckArsenic2.00E-04 1.96E-07 4.90E-07 2.15E-06 MatchBeryllium1.20E-05 1.18E-08 2.94E-08 1.29E-07 MatchCadmium1.10E-03 1.08E-06 2.70E-06 1.18E-05 MatchChromium1.40E-03 1.37E-06 3.43E-06 1.50E-05 MatchCobalt8.40E-05 8.24E-08 2.06E-07 9.02E-07 MatchManganese3.80E-04 3.73E-07 9.31E-07 4.08E-06 MatchMercury2.60E-04 2.55E-07 6.37E-07 2.79E-06 MatchNickel2.10E-03 2.06E-06 5.15E-06 2.25E-05 MatchSelenium2.40E-05 2.35E-08 5.88E-08 2.58E-07 Match
Total HAP Total HAP lb/hr Ton/year Check0.00 0.02 Match
ppm to lb/MMBtu Conversion.
Source: AQMD Permit Sample Evaluation Natural Gas Fired Boiler 5-20 MMBTU/HR, 2007
Nox Molecular Weight 46.1 lb/lb-moleCO Molecular Weight 28.01 lb/lb-mole
Concentration lb/MMBtu lb/hr Ton/year CheckNox000.00 0.00CO000.00 0.00
AP-42 Table 1.4-3
AP-42 Table 1.4-4
Natural Gas-Fired Boilers & Heaters
Manufacturer Dataor AP-42 Table 1.4-1
AP-42 Table 1.4-2
AP-42 Table 1.4-2&Table A-1 toSubpart A of Part 98
Emission Factor(lb/10^6 scf)
Page 2 of Version 1.0 November 29, 2018
Criteria Current AO Change New PTENOX0.67 0.28 0.95
CO 0.21 0.47 0.68PM105.91 0.04 5.95PM2.5 5.91 0.04 5.95SO20.00 0.0033 0.007
VOC 0.04 0.0307 0.0707
Christine Bodell <[e-mail]>
Utah Division of Air Quality - Approval Order DAQE-923-97
Gary Streadbeck <[e-mail]>Tue, Aug 13, 2024 at 4:46 PM
To: Christine Bodell <[e-mail]>
Cc: [e-mail]
Hi Chrisne,

I have updated the Equipment list on our Approval Order per your request. (See aached). Please don’t hesitate to contact me should
you have any addional quesons.

I am sll the primary contact.

All the best,

Gary Streadbeck
President
Adonis Bronze
450 S Alpine Highway, Suite 102
Alpine Utah 84004
801-763-9700
[Quoted text hidden]
Adonis Bronze DAQ Equip Update.pdf
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