DAQ-2024-011739

Small Source Registration

DAQE-EN160300003-24

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Renato Prestes
Verdesian Life Sciences
1001 Winstead Drive, Suite 480
Cary, NC 27513
[e-mail]

Dear Mr. Prestes:

Re: Request for Evaluation of Compliance with Rule R307-401-9, UAC: Small Source Exemption
Project Fee Code: N160300003

On November 1, 2024, the Division of Air Quality (DAQ) received your request for a small source
exemption for Verdesian Life Sciences - South Salt Lake Nutrient Production Facility. The source is located at 2700 South 600 West, South Salt Lake, in Salt Lake County. DAQ has determined the small
source exemption applies to the source, as long as the equipment and associated processes operate as
specified in the registration request.

The small source exemption does not exempt a source from complying with other applicable federal,
state, and local regulations and the current Utah Administrative Code. Based on the emissions that you
submitted to DAQ with your registration request, Verdesian Life Sciences’s South Salt Lake Nutrient
Production Facility is not required to obtain an approval order under R307-401. If you change your
operation such that there is an increase in emissions, we recommend that you notify us, as an approval
order may be required.

As authorized by the Utah Legislature, the fee for issuing this small source exemption is a one-time filing
fee in addition to the actual time spent by the review engineer and all other staff on the project. Payment
should be sent to DAQ upon receipt of the invoice.
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

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DAQE-EN160300003-24
Page 2
Thank you for registering your source with the DAQ. If you have any additional questions, please contact
Dungan Adams at [phone] or [e-mail].

Sincerely,

Bryce C. Bird
Director

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Alan D. Humpherys, Manager
New Source Review Section

BCB:ADH:DA:jg

{{#d1=date1_es_:signer1:date:format(date, "mmmm d, yyyy")}} {{#s=Sig_es_:signer1:signature}}
4525 Wasatch Blvd, Ste 200, Salt Lake City, UT 84124 / P 801.272.3000 / F 801.272.3040 / trinityconsultants.com
HEADQUARTERS
12700 Park Central Dr, Ste 600, Dallas, TX 75251 / P 800.229.6655 / P 972.661.8100 / F 972.385.9203
October 30, 2024
Permits
Utah Division of Air Quality
P.O. Box 144820
Salt Lake City, UT 84114
RE: Verdesian Life Sciences – Small Source Exemption Update
To Whom It May Concern:
The following letter documents an assessment of air quality permitting requirements for the Verdesian Life
Sciences (Verdesian) facility located at 2700 South 600 West in South Salt Lake, Utah. In April 2021,
Verdesian announced the acquisition of Cytozyme Laboratories, Inc. (Cytozyme), which is based in South
Salt Lake, Utah. This location has traditionally manufactured nutritional supplements designed to address
and optimize all fundamental aspects of plant, animal, and aquaculture production. Verdesian is submitting
this assessment to update the existing small source exemption (SSE) with a change in the facility’s
operational hours from 8 AM to 5 PM Monday through Friday to 24/7 operations. The site remains under the
thresholds for the Small Source Exemption from having to obtain an air permit.
SITE INFORMATION
Verdesian manufactures fertilizer enhancers, seed treatment, and inoculant technologies, including
manufacturing of nutritional supplements designed for nutrient use efficiency (NUE). Verdesian requested
that Trinity Consultants, Inc. (Trinity) evaluate the manufacturing operations at its South Salt Lake, Utah
facility to determine if UDAQ’s air permitting requirements are applicable or whether associated exemptions
in Utah’s air quality rules for small sources and/or categorically exempt sources apply. In consideration of
the applicability of air quality permitting or associated exemptions, the South Salt Lake facility is considered
a single stationary source.1
The Verdesian South Salt Lake facility is located within an area of Salt Lake County that is designated as a
serious nonattainment area for particulate matter with an aerodynamic diameter of 2.5 microns or less
(PM2.5), a moderate nonattainment area for sulfur dioxide (SO2), and a moderate nonattainment area for the
2015 8-hour ozone standard. The area is in attainment for all other criteria pollutants.
SMALL SOURCE EXEMPTION ANALYSIS
The determination regarding the applicability of Utah’s air quality permitting requirements contained in Utah
Administrative Code (UAC) Section R307-401 is based on the evaluation of the equipment listed herein.
Trinity also evaluated Verdesian’s air quality permitting exemption applicability criteria, which includes
consideration of the following:
1 UDAQ defines a Stationary Source as any structure, building, facility, or installation which emits or may emit any air pollutant subject to regulation under the U.S. Environmental Protection Agency’s Clean Air Act (CAA). (Utah Administrative Code (UAC) R307-101-2).
Utah Division of Air Quality - Page 2
October 30, 2024
►Source Category Exemptions2
►Small Source Exemption Criteria3
In order to meet the Small Source Exemption within the State of Utah, a site must meet the following
requirements:
►Actual emissions are less than five (5) tons per year (tpy) per air pollutant for the following
contaminants:
•SO2;
•Carbon Monoxide (CO);
•Oxides of Nitrogen (NOX);
•Particulate Matter with an Aerodynamic Diameter less than 10 Microns in Diameter (PM10);
•Ozone; and
•Volatile Organic Compounds (VOC).
►Actual emissions are less than 500 pounds per year of any hazardous air pollutant (HAP) and less than
2,000 pounds per year of any combination of HAP.
►Actual emissions are less than 500 pounds per year of any air contaminant not listed above and less
than 2,000 pounds per year of any combination of air contaminants not listed above.
Details of the equipment at the site and applicability of air quality permitting requirements or associated
permitting exemptions are documented in the following sections.
SOURCES EVALUATED FOR AIR PERMITTING APPLICABILITY
Categorically Exempt Sources
To assess air quality permitting requirements at Verdesian’s South Salt Lake facility, Trinity first listed
equipment that is categorically exempt from UDAQ’s permitting requirements and removed the equipment
from consideration of air quality permitting applicability.
The following sources are exempt from permitting under Utah Source Category Exemptions (R307-401-10):
►Air Conditioning and Heating Equipment (R307-401-10(2)) – Comfort heating equipment does not
need to be permitted.
Heating equipment used for offices is exempt from permitting, although heating equipment which is
important to maintain a constant temperature for process applications and/or manufacturing areas is not
exempt from permitting.
The manufacturing area is heated through the operation of natural gas heaters. Therefore, this equipment
to heat the manufacturing area was included in the emissions calculations.
2 Source Category Exemptions are listed in UAC R307-401-10 which exempt applicable stationary sources from obtaining an approval order (i.e., air quality permit) in the State of Utah.
3 Small Source Exemption Criteria are listed UAC R307-401-9, which exempt applicable stationary sources from obtaining an
approval order (i.e., air quality permit) if the conditions of the exemption are met.
Utah Division of Air Quality - Page 3
October 30, 2024
Emissions Applicable to New Source Review Permitting in Utah
Source categories that are not categorically exempt from permitting requirements are listed below. These
have been considered in the evaluation of air quality permitting requirements and the SSE analysis.
Emissions Evaluated
► VOC and HAP content in raw materials
► Metal HAP content in raw materials
► Baghouse particulate matter (PM) controls for mixing and bagging
► Fugitive emissions of PM
► Natural gas boilers4
► Natural gas heaters
► Natural gas water heaters
EMISSIONS CALCULATIONS
In order to evaluate the applicability of Utah’s SSE rule to Verdesian, Trinity calculated potential emissions
from the South Salt Lake facility.

Trinity prepared emission calculations for the emission sources not categorically exempt in UDAQ’s air
quality regulations. Emission calculation methodologies and assumptions are detailed in the source list
below, and emission calculations have been included in Attachment 1.
VOC and HAP Content in Product Ingredients for Organic Fugitive Emissions Calculations
To determine potential emissions from raw materials and/or products used in Verdesian’s operations, each
was assessed to determine which emitted VOC or HAPs. Initially, each material’s Safety Data Sheet (SDS)
was evaluated to determine if it contained VOC and had a vapor pressure of 1 millimeter of mercury
(mmHg) or greater. If the vapor pressure is less than 1 mmHg, it was assumed that the VOC was not
emitted.5 If the vapor pressure was greater than 1 mmHg, VOC emissions were calculated.
VOC and Organic HAP Calculations
Gluconic Acid and WEX are used in the reaction tanks at the site. As a result, Trinity prepared emissions
using U.S. Environmental Protection Agency (EPA) AP-42 Section 7.1 to account for working losses from the
tanks. Breathing losses were not calculated since the tanks are inside buildings.
VOC Emissions from Yeast Extract
The South Salt Lake facility’s process uses yeast extract however because it is not used in a fermentation
process there are no VOC emissions. Yeast extract consists of the cell contents of yeast without the cell
walls. The yeast extract is not produced at this facility.

4 The natural gas boilers are not subject to requirements of UAC R307-315 as they were installed prior to the compliance date of May 1st, 2024.
5 It was also assumed that the raw material/product was not heated, which would result in a higher vapor pressure and
potential VOC emissions.
Utah Division of Air Quality - Page 4
October 30, 2024
ventilation or doorways. It was assumed that baghouses on these units have a 99.5 percent capture
efficiency, and therefore, conservatively estimated that 0.5 percent of the total solids are emitted as fugitive
PM emissions outside the building.

To calculate the PM emissions for the dust collector, the emission factor (EF) was conservatively assumed to
be 0.01 grains per dry standard cubic feet (gr/dscf) and was used in the following equation: Annual Emissions (tpy)= 0.01 �grdscf�× Stack Flow �dscfmin�× 60 �minhr�× 17000 �lbgr�× 8,760 �hryr�× 12000 �tonlb�

To calculate PM emissions from the blender, the EF was based on AP-42 Section 11.26: Talc Processing for
storage bin loading assuming a 99.5 percent control efficiency for the fabric filter and was used in the
following equation to calculate uncontrolled emissions:
Annual Emissions (tpy)= 0.0035�lb PM1000 lb Blender Throughput�× 11−0.995 × Blender Throughput �lbyr�× 11000�1000 lblb�× 12000�tonlb�

Metal HAPs Emissions
As a number of the solid raw materials and products blended and/or bagged contain metal HAPs they were
calculated using the PM emissions calculations from the baghouses and fugitive emissions. The EFs for the
metal HAPs were based on the June 2020 dust composition analysis and were used in the following
equation:
Annual Emissions (tpy)= Mass Fraction of metal HAP × PM Emissions (tpy)
Combustion Emissions
The boilers, heaters, and water heaters are fueled by natural gas. Emissions from these sources come from
natural gas combustion. EFs for CO, NOX, SO2, PM10, and PM2.5, VOC and HAPs were based on EPA EFs from
AP-42 Section 1.4: Natural Gas Combustion and were used in the following equation:
Annual Emissions (tpy)=EF �lbMMscf�× 11020 �MMscfMMBtu�× Heat Input �MMBtuhr�× Annual Operation �hryr�× 12000�tonlb�

Trinity estimates that Verdesian’s potential to emit for the South Salt Lake facility are as listed in Table 1
below:

Utah Division of Air Quality - Page 5
October 30, 2024
Table 1: Potential to Emit Summary
Pollutant PTE
NOX 2.19 tpy
CO 1.84 tpy
VOC 1.68 tpy
PM10/PM2.5 1.97 tpy
SO2 0.01 tpy
GHGs 2,609 tpy
Combined HAPs 137 lb/yr

Based on potential emission calculations, Verdesian will not emit greater than five (5) tpy of NOX, CO, VOCs,
PM10 or SO2, 500 pounds of a single HAP, or 2,000 pounds of combined HAPs. As such, Verdesian meets
UDAQ’s SSE requirements and has included UDAQ’s Small Source Exemption Registration form in
Attachment 2 to this letter.

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

If you have any questions regarding the information presented in this letter, please do not hesitate to call
Renato Prestes at [phone] or [e-mail] or me at (801) 946-73452 or
[e-mail]

Sincerely,

TRINITY CONSULTANTS

Brian Mensinger
Managing Consultant

CC: Courtney Owens, Trinity Consultants

Attachments

ATTACHMENT 1
Detailed Emissions Calculations

Attachment 1 - Emissions Calculations
Emissions Summary
NOX CO VOC PM/PM10/PM2.5 SO2 CO2e Total HAPs
Process Emissions - Material Handling 0.00 0.00 1.55 1.81 0.00 0.00 0.03
Boilers 2.10 1.77 0.12 0.16 0.01 2,507 0.04Water Heaters 0.09 0.07 4.72E-03 0.01 5.15E-04 102 2.24E-03
Totals (tpy) 2.19 1.84 1.68 1.97 0.01 2,609 0.07
Potential Emissions (tpy)Process Description
Verdesian Life Sciences | Emission Calculations Page 1 of 7 Trinity Consultants, Inc.
Attachment 1 - Emissions Calculations
Water Heater Emission Parameters
Parameter Value Unit
Total Water Heater Heat Input:0.2759 MMBtu/hr
Number of Water Heaters 2 --
Equivalent Gas Hours: 8,760 hr/yr
Natural Gas Heating Value (HHV):1 1,020 Btu/scf
Water Heater - Criteria & GHG Emissions
0.1999 MMBtu/hr 0.076 MMBtu/hr
(lb/hr)(tpy)(lb/hr)(tpy)(lb/hr)(tpy)
NOX 100 lb/MMscf 1.96E-02 0.09 7.45E-03 3.73E-06 2.70E-02 0.09
CO 84 lb/MMscf 1.65E-02 0.07 6.26E-03 3.13E-06 0.02 0.07
PM10 7.6 lb/MMscf 1.49E-03 0.01 5.66E-04 2.83E-07 2.06E-03 0.01
PM2.5 7.6 lb/MMscf 1.49E-03 0.01 5.66E-04 2.83E-07 2.06E-03 0.01
SO2 0.6 lb/MMscf 1.18E-04 5.15E-04 4.47E-05 2.24E-08 1.62E-04 5.15E-04
VOC 5.5 lb/MMscf 1.08E-03 4.72E-03 4.10E-04 2.05E-07 1.49E-03 4.72E-03
Lead 0.0005 lb/MMscf 9.80E-08 4.29E-07 3.73E-08 1.86E-11 1.35E-07 4.29E-07
CO2 119,067 lb/MMscf 23.33 102.21 8.87 4.44E-03 32.21 102.21
N2O 0.22 lb/MMscf 4.40E-05 1.93E-04 1.67E-05 8.36E-09 6.07E-05 1.93E-04
CH4 2.24 lb/MMscf 4.40E-04 1.93E-03 1.67E-04 8.36E-08 6.07E-04 1.93E-03
CO2e 119,190 lb/MMscf 23.36 102.31 8.88 4.44E-03 32.24 102.32
53.06 kg CO2/MMBtu
1.00E-04 kg N2O/MMBtu
1.00E-03 kg CH4/MMBtu
298 N2O GWP
25 CH4 GWP
Conversions:
2.2 lbs/kg
1020 MMBtu/MMScf
2000 lbs/ton
1. Natural gas emission factors from AP-42 Section 1.4.
2. Emission factor calculated from 40 CFR Part 98 Subpart C Tables C-1 and C-2.
3. Emission factor calculated from 40 CFR Part 98 Subpart C Tables C-1 and C-2 using the Global Warming Potentials provided in Subpart A Table A-1.
1. HHV obtained from AP-42 Section 1.4.1
Pollutant Emission Factor 1,2,3 Total Emissions
(Emissions/Water Heater)(Emissions/Water Heater)
1 Water Heaters 1 Water Heaters
Verdesian Life Sciences | Emission Calculations Page 2 of 7 Trinity Consultants, Inc.
Attachment 1 - Emissions Calculations
Water Heater - HAPs Emissions
0.1999 MMBtu/hr 0.076 MMBtu/hr
(lb/hr)(tpy)(lb/hr)(tpy)(lb/hr)(tpy)
2-Methylnaphthalene 2.40E-05 lb/MMscf 4.70E-09 2.06E-08 1.79E-09 7.83E-09 6.49E-09 2.84E-08
3-Methylchloranthrene 1.80E-06 lb/MMscf 3.53E-10 1.55E-09 1.34E-10 5.87E-10 4.87E-10 2.13E-09
7,12-Dimethylbenz(a)anthracene 1.60E-05 lb/MMscf 3.14E-09 1.37E-08 1.19E-09 5.22E-09 4.33E-09 1.90E-08
Acenaphthene 1.80E-06 lb/MMscf 3.53E-10 1.55E-09 1.34E-10 5.87E-10 4.87E-10 2.13E-09
Acenaphthylene 1.80E-06 lb/MMscf 3.53E-10 1.55E-09 1.34E-10 5.87E-10 4.87E-10 2.13E-09
Anthracene 2.40E-06 lb/MMscf 4.70E-10 2.06E-09 1.79E-10 7.83E-10 6.49E-10 2.84E-09
Benz(a)anthracene 1.80E-06 lb/MMscf 3.53E-10 1.55E-09 1.34E-10 5.87E-10 4.87E-10 2.13E-09
Benzene 2.10E-03 lb/MMscf 4.12E-07 1.80E-06 1.56E-07 6.85E-07 5.68E-07 2.49E-06
Benzo(a)pyrene 1.20E-06 lb/MMscf 2.35E-10 1.03E-09 8.94E-11 3.92E-10 3.25E-10 1.42E-09
Benzo(b)fluoranthene 1.80E-06 lb/MMscf 3.53E-10 1.55E-09 1.34E-10 5.87E-10 4.87E-10 2.13E-09
Benzo(g,h,i)perylene 1.20E-06 lb/MMscf 2.35E-10 1.03E-09 8.94E-11 3.92E-10 3.25E-10 1.42E-09
Benzo(k)fluoranthene 1.80E-06 lb/MMscf 3.53E-10 1.55E-09 1.34E-10 5.87E-10 4.87E-10 2.13E-09
Chrysene 1.80E-06 lb/MMscf 3.53E-10 1.55E-09 1.34E-10 5.87E-10 4.87E-10 2.13E-09
Dibenzo(a,h)anthracene 1.20E-06 lb/MMscf 2.35E-10 1.03E-09 8.94E-11 3.92E-10 3.25E-10 1.42E-09
Dichlorobenzene 1.20E-03 lb/MMscf 2.35E-07 1.03E-06 8.94E-08 3.92E-07 3.25E-07 1.42E-06
Fluoranthene 3.00E-06 lb/MMscf 5.88E-10 2.58E-09 2.24E-10 9.79E-10 8.11E-10 3.55E-09
Fluorene 2.80E-06 lb/MMscf 5.49E-10 2.40E-09 2.09E-10 9.14E-10 7.57E-10 3.32E-09
Formaldehyde 7.50E-02 lb/MMscf 1.47E-05 6.44E-05 5.59E-06 2.45E-05 2.03E-05 8.89E-05
Hexane 1.80E+00 lb/MMscf 3.53E-04 1.55E-03 1.34E-04 5.87E-04 4.87E-04 2.13E-03
Indeno(1,2,3-cd)pyrene 1.80E-06 lb/MMscf 3.53E-10 1.55E-09 1.34E-10 5.87E-10 4.87E-10 2.13E-09
Naphthalene 6.10E-04 lb/MMscf 1.20E-07 5.24E-07 4.55E-08 1.99E-07 1.65E-07 7.23E-07
Phenanathrene 1.70E-05 lb/MMscf 3.33E-09 1.46E-08 1.27E-09 5.55E-09 4.60E-09 2.01E-08
Pyrene 5.00E-06 lb/MMscf 9.80E-10 4.29E-09 3.73E-10 1.63E-09 1.35E-09 5.92E-09
Toluene 3.40E-03 lb/MMscf 6.66E-07 2.92E-06 2.53E-07 1.11E-06 9.20E-07 4.03E-06
Arsenic 2.00E-04 lb/MMscf 3.92E-08 1.72E-07 1.49E-08 6.53E-08 5.41E-08 2.37E-07
Beryllium 1.20E-05 lb/MMscf 2.35E-09 1.03E-08 8.94E-10 3.92E-09 3.25E-09 1.42E-08
Cadmium 1.10E-03 lb/MMscf 2.16E-07 9.44E-07 8.20E-08 3.59E-07 2.98E-07 1.30E-06
Chromium 1.40E-03 lb/MMscf 2.74E-07 1.20E-06 1.04E-07 4.57E-07 3.79E-07 1.66E-06
Cobalt 8.40E-05 lb/MMscf 1.65E-08 7.21E-08 6.26E-09 2.74E-08 2.27E-08 9.95E-08
Lead 5.00E-04 lb/MMscf 9.80E-08 4.29E-07 3.73E-08 1.63E-07 1.35E-07 5.92E-07
Manganese 3.80E-04 lb/MMscf 7.45E-08 3.26E-07 2.83E-08 1.24E-07 1.03E-07 4.50E-07
Mercury 2.60E-04 lb/MMscf 5.10E-08 2.23E-07 1.94E-08 8.49E-08 7.03E-08 3.08E-07
Nickel 2.10E-03 lb/MMscf 4.12E-07 1.80E-06 1.56E-07 6.85E-07 5.68E-07 2.49E-06
Selenium 2.40E-05 lb/MMscf 4.70E-09 2.06E-08 1.79E-09 7.83E-09 6.49E-09 2.84E-08
3.53E-04 1.55E-03 1.34E-04 5.87E-04 4.87E-04 2.13E-03
3.70E-04 1.62E-03 1.41E-04 6.16E-04 5.11E-04 2.24E-03
Conversions: 2000 lbs/ton
1. Natural gas emission factors from AP-42, Tables 1.4-3 and 1.4-4.
Pollutant Emission Factor1 Total Emissions
(Emissions/Water Heater)(Emissions/Water Heater)
Max HAP
Total HAPs
1 Water Heaters 1 Water Heaters
Verdesian Life Sciences | Emission Calculations Page 3 of 7 Trinity Consultants, Inc.
Attachment 1 - Emissions Calculations
Utilities - Boiler Nos. 1 & 2 - Parameters
Parameter Value Unit
Boiler Heat Input: 2.449 MMBtu/hr
Number of Boilers: 2
Annual Gas Usage: 21 MMscf/yr
Equivalent Gas Hours: 8,760 hr/yr
Natural Gas Heating Value (HHV): 1,020 Btu/scf
Utilities - Boiler Nos. 1 & 2 - Criteria & GHG Emissions
(lb/hr) (tpy) (lb/hr) (tpy)
NOX 100 lb/MMscf 0.24 1.05 0.48 2.10
CO 84 lb/MMscf 0.20 0.88 0.40 1.77
PM10 7.6 lb/MMscf 0.02 0.08 0.04 0.16
PM2.5 7.6 lb/MMscf 0.02 0.08 0.04 0.16
SO2 0.6 lb/MMscf 1.44E-03 0.01 0.00 0.01
VOC 5.5 lb/MMscf 0.01 0.06 0.03 0.12
Lead 0.0005 lb/MMscf 1.20E-06 5.26E-06 2.40E-06 1.05E-05
CO2 119,067 lb/MMscf 286 1,252 572 2,504
N2O 0.22 lb/MMscf 5.39E-04 2.36E-03 1.08E-03 4.72E-03
CH4 2.24 lb/MMscf 5.39E-03 0.02 0.01 0.05
CO2e 119,190 lb/MMscf 286 1,253 572 2,507
53.06 kg CO2/MMBtu
1.00E-04 kg N2O/MMBtu
1.00E-03 kg CH4/MMBtu
298 N2O GWP
25 CH4 GWP
Conversions:
2.2 lbs/kg
1020 MMBtu/MMScf
2000 lbs/ton
1. Natural gas emission factors from AP-42 Section 1.4.
2. Emission factor calculated from 40 CFR Part 98 Subpart C Tables C-1 and C-2.
3. Emission factor calculated from 40 CFR Part 98 Subpart C Tables C-1 and C-2 using the Global Warming Potentials provided in Subpart A Table A-1.
Pollutant Emission Factor1,2,3 Units Emissions (Per Boiler)
Total Emissions for
Boiler Nos. 1 & 2
(tpy)
Verdesian Life Sciences | Emission Calculations Page 4 of 7 Trinity Consultants, Inc.
Attachment 1 - Emissions Calculations
Utilities - Boiler Nos. 1 & 2 - HAPs Emissions
lb/hr tpy (lb/hr) (tpy)
2-Methylnaphthalene 2.40E-05 lb/MMscf 5.76E-08 2.52E-07 1.15E-07 5.05E-07
3-Methylchloranthrene 1.80E-06 lb/MMscf 4.32E-09 1.89E-08 8.64E-09 3.79E-08
7,12-Dimethylbenz(a)anthracene 1.60E-05 lb/MMscf 3.84E-08 1.68E-07 7.68E-08 3.37E-07
Acenaphthene 1.80E-06 lb/MMscf 4.32E-09 1.89E-08 8.64E-09 3.79E-08
Acenaphthylene 1.80E-06 lb/MMscf 4.32E-09 1.89E-08 8.64E-09 3.79E-08
Anthracene 2.40E-06 lb/MMscf 5.76E-09 2.52E-08 1.15E-08 5.05E-08
Benz(a)anthracene 1.80E-06 lb/MMscf 4.32E-09 1.89E-08 8.64E-09 3.79E-08
Benzene 2.10E-03 lb/MMscf 5.04E-06 2.21E-05 1.01E-05 4.42E-05
Benzo(a)pyrene 1.20E-06 lb/MMscf 2.88E-09 1.26E-08 5.76E-09 2.52E-08
Benzo(b)fluoranthene 1.80E-06 lb/MMscf 4.32E-09 1.89E-08 8.64E-09 3.79E-08
Benzo(g,h,i)perylene 1.20E-06 lb/MMscf 2.88E-09 1.26E-08 5.76E-09 2.52E-08
Benzo(k)fluoranthene 1.80E-06 lb/MMscf 4.32E-09 1.89E-08 8.64E-09 3.79E-08
Chrysene 1.80E-06 lb/MMscf 4.32E-09 1.89E-08 8.64E-09 3.79E-08
Dibenzo(a,h)anthracene 1.20E-06 lb/MMscf 2.88E-09 1.26E-08 5.76E-09 2.52E-08
Dichlorobenzene 1.20E-03 lb/MMscf 2.88E-06 1.26E-05 5.76E-06 2.52E-05
Fluoranthene 3.00E-06 lb/MMscf 7.20E-09 3.15E-08 1.44E-08 6.31E-08
Fluorene 2.80E-06 lb/MMscf 6.72E-09 2.94E-08 1.34E-08 5.89E-08
Formaldehyde 7.50E-02 lb/MMscf 1.80E-04 7.89E-04 3.60E-04 1.58E-03
Hexane 1.80E+00 lb/MMscf 4.32E-03 1.89E-02 8.64E-03 3.79E-02
Indeno(1,2,3-cd)pyrene 1.80E-06 lb/MMscf 4.32E-09 1.89E-08 8.64E-09 3.79E-08
Naphthalene 6.10E-04 lb/MMscf 1.46E-06 6.41E-06 2.93E-06 1.28E-05
Phenanathrene 1.70E-05 lb/MMscf 4.08E-08 1.79E-07 8.16E-08 3.58E-07
Pyrene 5.00E-06 lb/MMscf 1.20E-08 5.26E-08 2.40E-08 1.05E-07
Toluene 3.40E-03 lb/MMscf 8.16E-06 3.58E-05 1.63E-05 7.15E-05
Arsenic 2.00E-04 lb/MMscf 4.80E-07 2.10E-06 9.60E-07 4.21E-06
Beryllium 1.20E-05 lb/MMscf 2.88E-08 1.26E-07 5.76E-08 2.52E-07
Cadmium 1.10E-03 lb/MMscf 2.64E-06 1.16E-05 5.28E-06 2.31E-05
Chromium 1.40E-03 lb/MMscf 3.36E-06 1.47E-05 6.72E-06 2.94E-05
Cobalt 8.40E-05 lb/MMscf 2.02E-07 8.83E-07 4.03E-07 1.77E-06
Lead 5.00E-04 lb/MMscf 1.20E-06 5.26E-06 2.40E-06 1.05E-05
Manganese 3.80E-04 lb/MMscf 9.12E-07 4.00E-06 1.82E-06 7.99E-06
Mercury 2.60E-04 lb/MMscf 6.24E-07 2.73E-06 1.25E-06 5.47E-06
Nickel 2.10E-03 lb/MMscf 5.04E-06 2.21E-05 1.01E-05 4.42E-05
Selenium 2.40E-05 lb/MMscf 5.76E-08 2.52E-07 1.15E-07 5.05E-07
4.32E-03 0.02 0.01 0.04
4.53E-03 0.02 0.01 0.04
Conversions: 2000 lbs/ton
1. Natural gas emission factors from AP-42, Tables 1.4-3 and 1.4-4.
Emission Factor1 Emissions (Per Boiler)
Total Emissions for
Boiler Nos. 1 & 2
(tpy)
Max HAP
Total HAPs
Pollutant Units
Verdesian Life Sciences | Emission Calculations Page 5 of 7 Trinity Consultants, Inc.
Attachment 1 - Emissions Calculations
Dust Collector PTE
Hours of Operation
(hrs/yr)Stack Flow Unit PM10 EF EF Unit PM10 Emission
Rate (lb/hr)
Annual
Emission
Rate (lb/yr)
Annual
Emissions
(tpy)
8,760 589 cfm 0.01 (grain/dscf) 0.05 442 0.22
8,760 3,000 cfm 0.01 (grain/dscf) 0.26 2,253 1.13
Eirich Blender Fugitives PTE
Max Expected Qty
Added to Blender
(lbs/yr)
Uncontrolled Emission
Factor (lbs PM/1000 lbs
material)1
Uncontrolled
Emissions
(tpy)
1,307,731 0.70 0.46
0.0035 lbs PM/1000 lbs material
99.5%
Conversions:
2000 lbs/ton
1000 lbs/1000 lbs
HAP Emissions
Compound Mass Fraction of PM1 HAP Emissions
(tons/yr)
Antimony 4.45E-07 3.02E-07
Arsenic 2.05E-06 1.39E-06
Beryllium 6.32E-07 4.29E-07
Cadmium 5.43E-07 3.69E-07
Chromium 5.38E-06 3.65E-06
Cobalt 4.47E-04 3.03E-04
Lead 1.16E-05 7.87E-06
Manganese 3.12E-03 2.12E-03
Mercury 4.22E-08 2.86E-08
Nickel 1.34E-05 9.10E-06
Selenium 2.00E-06 1.36E-06
3.41E-03
1. AP-42 Table 11.26-1 - Controlled final product bin loading with fabric filter
Assumed control for fabric filter used to calculate
uncontrolled emission factor
1. Based on dust analysis completed for 6/29/2020 emission calculations
Total HAP (tpy)
Verdesian Life Sciences | Emission Calculations Page 6 of 7 Trinity Consultants, Inc.
Attachment 1 - Emissions Calculations
Process Emissions - VOC
Actual Usage VOC-
Emitting Material
(lbs/yr)1,2
Potential VOC
Emissions (lbs/yr)3
Potential VOC
Emissions (tpy)
831 3,110 1.55
3. Potential usage is based on 24/7 operations.
Process Emissions - Organic HAP
Actual Usage HAP-
Emitting Material
(lbs/yr)1,2
Potential HAP
Emissions (lbs/yr)3
Potential HAP
Emissions (tpy)
12.47 46.70 0.02
1. Maximum methanol content in 80 Proof Alcohol per SDS
3.79%
2. Actual usage is based on operational hours from 8 AM to 5 PM Monday through Friday.
3. Potential usage is based on 24/7 operations.
Conversions:2000 lbs/ton
1. Does not include any material with a vapor pressure <1 mmHg. Tank emissions
estimated using working loss equation for Gluconic Acid 50% and Wex resulted in no
VOC emissions. Conservatively assumed 100% emitted for very low use and/or highly
volatile materials: 80 Proof Alcohol and Polysorbate 80.
2. Actual usage is based on operational hours from 8 AM to 5 PM Monday through
Friday.
Verdesian Life Sciences | Emission Calculations Page 7 of 7 Trinity Consultants, Inc.

ATTACHMENT 2
Small Source Exemption Form

Utah Division of Air Quality Revised: 6/21/06
SMALL SOURCE EXEMPTION REGISTRATION
Businesses eligible for this exemption shall not: 1) emit more than 5 tons per year of each of the
following pollutants: sulfur dioxide (SO2), carbon monoxide (CO), nitrogen oxides (NOx), particulate
matter (PM10), ozone (O3), or volatile organic compounds (VOCs) or 2) emit more than 500 pounds
per year of any single hazardous air pollutant (HAP), and emit more than 2000 pounds per year
for any combination of HAPs, or 3) emit less than 500 pounds per year of any air contaminant not
listed in (1)( or (2) above and less than 2000 pounds per year of any combination of air contaminants
not listed in (1) or (2) above.
Please keep copies of the registration notice and worksheets on site at your business to verify your
permit exemption status. Please be aware that the small source exemption only exempts your
business from the permitting requirements of R307-401-5 through 8 of the Utah Administrative Code,
not other applicable air quality regulations.
1. Business Name and Mailing Address:2.Business Contact for Air Quality Issues:
______________________________
______________________________
______________________________
______________________________
Phone # ( 847 ) 682 - 9072
Fax # ( ____ ) ____-___________
3. Owners Name and Mailing Address:
Verdesian Life Sciences
1001 Winstead Drive, Suite 480
Cary, NC 27513
Phone # ( 919) 825 - 1901
Fax # ( ____ ) ____-__________
4. Business Location (street address if
different from above and directions to site):
_________________________________
_________________________________
_________________________________
_________________________________
5. County where business is located:
______________________________
6.Start-up Date of Business:
Month: _____________ Year: _______
7. Briefly describe your process by describing end products, raw materials, and process
equipment used at your business. Attach additional sheets if necessary.
202
Verdesian manufactures IHUWLOL]HU HQKDQFHUV seed treatment, and inoculant technologies,
Mr. Renato Prestes, VP of EHS and ESG
UHQDWRSUHVWHV#YOVFLFRP
Lncluding manufacturing of nutritional supplements designed for the nutrient use efficiency (NUE). The
6RXWK Salt Lake facility is a single stationary source.
Salt Lake County April
______________________________
______________________________
______________________________
______________________________
Phone # ( 919 ) 825 - 1901
Fax # ( ____ ) ____-___________
Verdesian
2700 South 600 West
South Salt Lake, UT 84115
Dungan Adams <[e-mail]>
Fwd: Small Source Exemption
1 message
Alan Humpherys <[e-mail]>Fri, Nov 1, 2024 at 2:56 PM
To: Dungan Adams <[e-mail]>
Dungan,
Can you please process this SSE? It looks like the same one you processed before.
Site ID: 16030
Peer: Dylan
Thanks,
Alan
---------- Forwarded message ---------
From: <[e-mail]>
Date: Fri, Nov 1, 2024 at 11:02 AM
Subject: Small Source Exemption
To: <[e-mail]>
The following small source exemeption was submitted, please go into qualtrics and print off the PDF and forward to Alan.
Recipient Data:
Time Finished: 2024-11-01 11:02:09 MDT
IP: 98.212.181.67
ResponseID: R_7jHPLAsMY0XYBE7
Link to View Results: Click Here
URL to View Results: https://utahgov.iad1.qualtrics.com/apps/single-response-reports/reports/Jqjci7MVS0wot3I%
2EeNFfjrL3GwXbdas52hgykwTAe3uexuHoqOVDJIJx0%2E9G%2EU1b2lPbohlGKIXODqKPE3E8rWOD4
7dFkfxVjPj%2EjYc64yZ2fRi3ZK%2Exis-Ve7vxgpB6R-jeD8HM1imt1MFGgewi2GN0-
7T7nKkORkJCe4XKvdGNcAZ7GTqDYTmSGl7xkMGHb9mYSnS0Zg2X6qHyySUHrAaKKwBSx6jLsctCpj2Ke6bbXfMRrVp
WUFc4bUvKgCEy8opIuMv1enhmlAJienCsEMEfd3beTABepvRCaehjos-inRGccv7LYAwjIFM9zDY14JrtGUn5q
uY5FnHnSaK-yQ
Response Summary:
Please fill out the following contact information:
Name
Site Contact Renato Prestes
Site South Salt Lake City
Owner Verdesian Life Science
Mailing Address
Site Contact 2700 South 600 West
Site 2700 South 600 West
Owner 1001 Winstead Dr
Mailing Address 2
Site Contact N/A
Site N/A
Owner N/A
City
Site Contact South Salt Lake
Site South Salt Lake
Owner Cary
11/4/24, 11:21 AM State of Utah Mail - Fwd: Small Source Exemption
https://mail.google.com/mail/u/0/?ik=c52f18613a&view=pt&search=all&permthid=thread-f:1814555124883740881&simpl=msg-f:1814555124883740881 1/3
State
Site Contact UTAH
Site UTAH
Owner North Carolina
Zip Code
Site Contact 84115
Site 84115
Owner 27513
Phone
Site Contact 847-6829072
Site 847-6829072
Owner 919-8251901
Fax
Site Contact 913-9567599
Site 913-9567599
Owner 913-9567599
Email
Site Contact [e-mail]
Site [e-mail]
Owner [e-mail]
County the Site is located in:
Salt Lake County
Briefly describe the process including the end products, raw materials, and process equipment used.
Verdesian manufactures fertilizer enhancers, seed treatment, and inoculant technologies, including manufacturing of
nutritional supplements designed for nutrient use efficiency (NUE). The South Salt Lake facility is a single stationary
source
List emission units
Nonexempt emission emitting units include mixing and bagging, natural gas boilers, natural gas heaters, and natural
gas water heaters. Please see the attached application for further detail.
List any pollution control equipment
Baghosues
Please include Annual Emission Rates calculation spreadsheet.
https://utahgov.co1.qualtrics.com/WRQualtricsControlPanel/File.php?F=F_1Fh3bL5yrUNdq9J
Contact Information: (person filling out form - signature will be required)
Name Renato Prestes
Title VP EHS
Phone [phone]
Date 10.31.2024
By signing below, I hereby certify that the information and data submitted in this notice fully d...
https://utahgov.co1.qualtrics.com/WRQualtricsControlPanel/File.php?F=F_3qpWKwQEmfZ3j9n
--
Alan Humpherys
Manager | Minor NSR Section
P: [phone]
F: [phone]
airquality.utah.gov
Emails to and from this email address may be considered public records and thus subject to Utah GRAMA
requirements.
11/4/24, 11:21 AM State of Utah Mail - Fwd: Small Source Exemption
https://mail.google.com/mail/u/0/?ik=c52f18613a&view=pt&search=all&permthid=thread-f:1814555124883740881&simpl=msg-f:1814555124883740881 2/3
Verdesian_Small_Source_Exemption_Update_2024_1030._RP_Signed.pdf
482K
11/4/24, 11:21 AM State of Utah Mail - Fwd: Small Source Exemption
https://mail.google.com/mail/u/0/?ik=c52f18613a&view=pt&search=all&permthid=thread-f:1814555124883740881&simpl=msg-f:1814555124883740881 3/3
Response Summary:
To be eligible businesses shall not do any of the follow:

1) Emit more than 5 tons per year of each of the following pollutants: Sulfur Dioxide (SO2), Carbon Monoxide (CO),
Nitrogen Oxides (NOx), Particulate Matter (PM10), Ozone (O3), or Volatile Organic Compounds (VOCs).
2) Emit more than 500 lbs/yr of any single Hazardous Air Pollutant (HAP), and emit more than 2000 lbs/yr of any
combination of HAPs
3) Emit more than 500 lbs/yr of any combination of air contaminants not listed in 1 or 2

A copy of this registration notice and worksheets are required on site to verify permit exemption status.

Please be aware a the Small Source Exemption ONLY exempts the site from the air permitting requirements of R307-
401-5 thru R307-401-8 of the Utah Administrative Code, all other air quality regulations still apply.

Q4.
Please fill out the following contact information:
Site Contact Site Owner
Name Renato Prestes South Salt Lake City Verdesian Life Science
Mailing Address 2700 South 600 West 2700 South 600 West 1001 Winstead Dr
Mailing Address 2 N/A N/A N/A
City South Salt Lake South Salt Lake Cary
State UTAH UTAH North Carolina
Zip Code 84115 84115 27513
Phone [phone]
Fax [phone]
Email [e-mail] [e-mail] [e-mail]

Q5. County the Site is located in:
Salt Lake County

Q6. Briefly describe the process including the end products, raw materials, and process equipment used.
Verdesian manufactures fertilizer enhancers, seed treatment, and inoculant technologies, including manufacturing of
nutritional supplements designed for nutrient use efficiency (NUE). The South Salt Lake facility is a single stationary
source

Q7. List emission units
Nonexempt emission emitting units include mixing and bagging, natural gas boilers, natural gas heaters, and natural
gas water heaters. Please see the attached application for further detail.

Q8. List any pollution control equipment
Baghosues

Q9. Please include Annual Emission Rates calculation spreadsheet.
[Click here]

Q11. Contact Information: (person filling out form - signature will be required)
Name Renato Prestes
Title VP EHS
Phone [phone]
Date 10.31.2024

Q10. By signing below, I hereby certify that the information and data submitted in this notice fully describes
this site and ONLY this site. The information provide is true, accurate, and complete to the best of my
knowledge. I understand that I am responsible for determining whether the site remain eligible for this
exemption before making operational or process changes in the future, and agree to notify the Division of
Air Quality when this site is not longer eligible for this exemption. (Signature of Owner/Manager)
[Click here]

Embedded Data:
N/A