20211026_ADI_Response

11SUNROCK�
CAROLINA SUNROCK LLC
Scott Martino
Manager Environmental Compliance
200 Horizon Drive, Suite 100
Raleigh, NC 27615
CERTIFIED MAIL No. 7020 3160 0000 2173 7409
Return receipt Requested
October 21, 2021
Mr. Adam Parr
Assistant State Mining Engineer
Department of Environmental Quality
Division of Energy, Mineral, and Land Resources — Land Quality Section
1612 Mail Service Center
Raleigh, NC 27699-1612
RE: Carolina Sunrock LLC — Prospect Hill Quarry and Distribution Center
1238 Wrenn Road
Prospect Hill, Caswell County, North Carolina 27314
Dear Mr. Parr:
REMNED
OCT 2 6 2021
The purpose of this letter is to provide you and your department the additional information to Carolina
Sunrock LLC's application for a mining permit as requested per your letter dated January 15, 2021.
On October 21, 2001, we have received and been issued our Air Permit (permit No. 10694R00) from the
Department of Air Quality. Enclosed with this letter is a signed copy of our issued permit along with a
copy of the memorandum from the Director of Air Quality, Mr. Michael A. Abraczinskas confirming the
issuance of the permit.
Lastly, we wish for this facility to be incorporated into our existing blanket bond (30003466).
Thank you for the opportunity to address your and other agency comments provided on our latest
application submittal. Please feel free to contact me if you or your department have any further
questions.
Thank you for your assistance.
Sincerely,
Carolina Sunrock, LLC
Scott Martino
Manager Environmental Compliance
Enclosure
Air Permit
Memorandum
[e-mail]
Phone: [phone]
Fax: [phone]

ROY COOPER
Governor
ELIZABETH S. BISER
Secretory
MICHAELABRACZINSKAS
Director
MEMORANDUM
NORTH CAROLINA
EnVAM=enfd Quality
October 19, 2021
TO: Ray Stewart
Regional Supervisor
Division of Air Quality-WSRO
FROM: Michael A. Abraczinskas, Director 14•-aj a.
SUBJECT: Carolina Sunrock, LLC - Prospect Hill, Permit Application Number 1700017.21A
and Draft Air Permit Number 10694R00
I have reviewed the Hearing Officer's Report and Recommendations for the Carolina Sunrock,
LLC - Prospect Hill public comment period and virtual public hearing. The Hearing Officer has
considered all comments and information in the record and I believe the Hearing Officer has
adequately addressed all comments received. I agree with the Conclusions and
Recommendations section of the Hearing Officer's Report. After making the recommended
amendments, I ask that you proceed with issuing the air quality permit.
You may reach me at [phone] if you have questions regarding this memorandum.
Cc: Michael Koerschner, Hearing Officer, Asheville Regional Office
North Carolina Department of Environmental Quality I Division of Air Quality
217 West loner Street 1 1641 Mail Service Center I RalelgiL North Carolina 27699-16.41
919.707.8400

ROY COOPER
Governor
ELIZABETH S. BISER
Secretary
MICHAEL A. ABRACZINSKAS
Director
Mr. Gregg Bowler
President
NORTH CAROLINA
Environmental Quality
October 19, 2021
Carolina Sunrock LLC - Prospect Hill Quarry and Dist. Center
200 Horizon Drive, Suite 100
Raleigh, NC 27615
Subject: Air Permit No. 10694R00
Carolina Sunrock LLC - Prospect Hill Quarry and Dist. Center
Prospect Hill, Caswell County, North Carolina
Permit Class: Synthetic Minor
Facility ID# 1700017
Dear Mr. Bowler:
In accordance with your completed application received July 8, 2021, we are forwarding
herewith Permit No. 10694R00 to Carolina Sunrock LLC - Prospect Hill Quarry and Dist. Center,
Prospect Hill, Caswell County, North Carolina for the construction and operation of air emissions
sources or air cleaning devices and appurtenances. Additionally, any emissions activities
determined from your air permit application as meeting the exemption requirements contained in
15A NCAC 2Q .0102 have been listed for information purposes as an "ATTACHMENT" to the
enclosed air permit. Please note the records retention requirements are contained in General
Condition 2 of the General Conditions and Limitations.
If any parts, requirements, or limitations contained in this permit are unacceptable to you,
you have the right to request a formal adjudicatory hearing within 30 days following receipt of this
permit, identifying the specific issues to be contested. Such a request will stay -the effectiveness of
the entire permit. This hearing request must be in the form of a written petition, conforming to G.S.
150B-23 of the North Carolina General Statutes, and filed with the Office of Administrative
Hearings, 6714 Mail Service Center, Raleigh, NC 27699-6714. The form for requesting a formal
adjudicatory hearing may be obtained upon request from the Office of Administrative Hearings.
Unless a request for a hearing is made pursuant to G.S. 150B-23, this air permit shall be final and
binding.
You may request modification of your air permit through informal means pursuant to G.S.
150B-22. This request must be submitted in writing to the Director and must identify the specific
provisions or issues for which the modification is sought. Please note that the permit will become
final and binding regardless of a request for informal modification unless a request for a hearing is
also made under G.S. 150B-23.
North Carolina Department of Environmental Quality I Division of Air Quality
Winston-Salem Regional Office 1 450 West Hanes Mill Road, Suite 300 j Winston-Salem, NC 27105
o ror aril �¢ 336.776.9800 T 1 336.776.9797 F

Gregg Bowler
October 19, 2021
Page 2
Unless exempted by a condition of this permit or the regulations, construction of new
air pollution sources or air cleaning devices, or modifications to the sources or air cleaning
devices described in this permit must be covered under a permit issued by the Division of Air
Quality prior to construction. Failure to do so is a violation of G.S.143-215.108 and may
subject the Permittee to civil or criminal penalties as described in G.S.143-215.114A and 143-
215.114B.
This permit shall be effective from October 19, 2021 until September 30, 2029, is
nontransferable to future owners and operators, and shall be subject to the conditions and limitations
as specified therein.
Changes have been made to the permit stipulations. The Permittee is responsible for
carefully reading the entire permit and evaluating the requirements of each permit
stipulation. The Permittee shall comply with all terms, conditions, requirements, limitations,
and restrictions set forth in this permit. Noncompliance with any permit condition is grounds
for enforcement action, for permit termination, revocation and reissuance, or modification, or
for denial of a permit renewal application.
Should you have any questions concerning this matter, please contact Dylan Wright at 336-
776-9646 or [e-mail].
Sincerely,
r
T. Ray Stewart, ., P.E., CPM, R ional Supervisor
Division of Air Q ky, NC DEQ
DAW
Enclosures
c: Winston-Salem Regional Office

NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
DEPARTMENT OF ENVIRONMENTAL QUALITY
DIVISION OF AIR QUALITY
AIR PERMIT NO.10694R00 .
Issue Date: October 19, 2021
Expiration Date: September 30, 2029
Effective Date: October 19, 2021
Replaces Permit: (new)
To construct and operate air emission source(s) and/or air cleaning device(s), and for the
discharge of the associated air contaminants into the atmosphere in accordance with the provisions
of Article 21B of Chapter 143, General Statutes of North Carolina (NCGS) as amended, and other
' applicable Laws, Rules and Regulations,
Carolina Sunrock LLC - Prospect Hill Quarry and Dist. Center
1238 Wrenn Road
Prospect Hill, Caswell County, North Carolina
Permit Class: Synthetic Minor
Facility IN 1700017
(The Permittee) is hereby authorized to construct and operate the air emissions sources and/or air
cleaning devices and appurtenances described below: .
Emission
Emission Source
Control
Control System
Source ID
I Description
System ID
Description
Drum Mix Asphalt Plant (250 tons per hour capacity) consisting of the following:
Propane/Natural Gas/No. 2 Fuel Oil/Recycled No. 2 Fuel
Cyclone in series with a
HMA-1 (NSPS)
Oil/Recycled No. 4 Fuel Oil -fired drum type hot mix asphalt plant
HMA-CD 1
Bagfilter (8,968 square
(80 MMBtu/hr. maximum heat input capacity)
feet of filter area)
ES-ACH1
Natural Gas/[1LSD-fired Asphalt Cement Heater
(1.2 MMBtu/hr. maximum heat input capacity)
ES-ACH2
Natural Gas/ULSD-fired Asphalt Cement Heater
(1.1 MMBtu/hr. maximum heat input capacity)
NIA
N/A
HMA-LO1
Asphalt Loadout O eration Silo 1
HMA-L02
Asphalt Loadout Operation Silo 2
HMA-L03
Asphalt Loadout Operation Silo 3
HMA-LO4
�-- Asphalt Loadout Operation Silo 4
HMA-L05
Asphalt Loadout Operation Silo 5
HMA-Silo 1
Hot Mix Asphalt Storage Silo
(150 tons Maximum Capacity)
HMA-Silo2
Hot Mix Asphalt Storage Silo
(150 tons Maximum Capacity)
HMA-Silo3
Hot Mix Asphalt Storage Silo
(200 tons Maximum Capacity)
HMA-Silo4
Hot Mix Asphalt Storage Silo
(200 tons Maximum Capacity)
HMA-Silo5
Hot Mix Asphalt Storage Silo
(200 tons Maximum Ca acity)

Pemmi# No. 10694R00
Page 2
Emission
Emission Source
Control
Control System
Source ID
Description
System ID
Description
RAP Crushing System* Consisting of the Following:
RAP-CR1 (NSPS)
RAP Crusher (65 tons/hr. Maximum Capacity)
N/A
N/A
RAP -BF 1(NSPS)
RAP Bin and Feeder
RAP -CI (NSPS)
RAP 36" Conveyor, Feeder to Crusher
RAP-C2 (NSPS)
RAP 36" Conveyor, Crusher to Screen
RAP-C3 (NSPS)
RAP 36" Conveyor, Screen to Plant
RAP-C4 (NSPS)
RAP 36" Con ve or, Screen to Conveyor (C-5)
RAP -CS (NSPS)
RAP 36" Conveyor, Conveyor (C-5) to Conveyor (C-6)
RAP-C6 (NSPS)
RAP 36" Conveyor, Conveyor (C-6) to Crusher
RAP -SC 1(NSPS)
8' X 20' Double Deck Screen
Truck Mix Concrete Batch Plant (120 cubic yards per hour capacity) consisting of the following:
RMC-LO1
Truck Loadout Point
RMC-CD2
Bagfilter (1,433 square
feet of filter area)
RMC-Silol
Cement Storage Silo (200-ton capacity)
RMC-Silo2
Flyash Storage Silo (150-ton capacity)
RMC-WB 1
Cement/Flyash Weigh Batcher (5-ton maximum capacity)
RMC-WB2
Aggregate Weigh Batcher (20-ton maximum capacity) T
N/A
N/A
Non -Metallic Mineral Processing Plant utilizing water suppression with no other control device,
including:
_
ES -Conveying (NSPS)
Conveying Operations
N/A
N/A
ES -Crusher (NSPS)
Crushing Operations
ES -Screening (NSPS)
Screening Operations
ower Generators:
ES-PGEN 1(NSPS,
NESHAP
2065 hp Natural Gas/Propane Fired Generator # 1
CD-PGEN 1
Catalytic Oxidizer
ES-PGEN2 (NSPS,
NESH�,)
2065 hp Natural Gas/Propane Fired Generator #2
CD-PGEN2
Catalytic Oxidizer
ES-PGEN3 (NSPS,
NESHAP) .
1721 hp Natural Gas/Propane Fired Generator #3
CD-PGEN3
Catalytic Oxidizer
Support Equipment:
GEN-1 (NSPS-IIII,
NESHAP-ZZZZ)
(J50V2) 350 hp Diesel Engine Powering Primary Crusher
N/A
N/A
GEN-la (NSPS-IIII,
NESHAP-ZZZZ)
(J45) 350 hp Diesel Engine Powering Primary Crusher
GEN-2 (NSPS-IIII,
NESHAP-ZZZZ)
(s190dt) 125 hp Diesel Engine Powering Screen
GEN-3 (NSPS-IIII,
NESHAP-ZZZZ)
(PS 1300 Maxtrack) 440 hp Diesel Engine Powering Cone Crusher
GEN-4 (NSPS-IIII,
NESHAP-ZZZZ)
(TF80) 125 hp Diesel Engine Powering Tracked Feeder
NS ( 5 G(NSPS-MI,NE NSZZZZ)
(Ps 1300 Maxtrack) 450 hp Diesel Engine Powering Cone Crusher
GEN-7 (NSPS-IIII,
(PS100 Maxtrack) 350 hp Diesel Engine Powering Cone Crusher
NESHAP-ZZZZ)
• According to the narrative submitted, the RAP Crushing System will also periodically use a mobile crusher (also rated at 65 tph) which may temporarily reside at the
new Prospect Hill Quarry and Distribution Center but moves from site to site. This crusher has an associated diesel -fined generator. This mobile crusher is exempt from
permitting in accordance with the March 13, 2003 memorandum from Keith Overcash which states that portable crushers are exempt from air permitting requirements.

Permit No. 10694R00
Page 3
in accordance with the completed application 1700017.21A received July 8, 2021, including any ,
plans, specifications, previous applications, and other supporting data, all of which are filed with the
Department of Environmental Quality, Division of Air Quality (DAQ) and are incorporated as part
of this permit.
This permit is subject to the following specified conditions and limitations including any
TESTING, REPORTING, OR MONITORING REQUIREMENTS:
A. SPECIFIC CONDITIONS AND LIMITATIONS
1. Any air emission sources, or control devices authorized to construct and operate above must
be operated and maintained in accordance with the provisions contained herein. The
Permittee shall comply with applicable Environmental Management Commission
Regulations, including Title 15A North Carolina Administrative Code (NCAC), Subchapter
2D .0202, 2D .0501, 2D .0503, 2D .0506, 2D .0510, 2D .0515, 2D .0516, 2D .0521, 2D
.0524 (40 CFR 60, Subpart I. Subpart IIH, Subpart JJJJ, Subpart 000), 2D .0535512D .05401,
2D .0605, 2D .06111,2D .1100, 2D .1111 (40 CFR 63, Subpart ZZZZ), 2D .1806, 2Q .031531
2Q .0317 (Avoidance) and 2Q .0711.
2. PERMIT RENEWAL AND EMISSION INVENTORY REQUIREMENT - The Permittee,
at least 90 days prior to the expiration date of this permit, shall request permit renewal by
letter in accordance with 15A NCAC 2Q .0304(d) and (f). Pursuant to 15A NCAC 2Q
.0203(i), no permit application fee is required for renewal of an existing air permit (without
a modification request). The renewal request (with application Form A) should be submitted
to the Regional Supervisor, DAQ. Also, at least 90 days prior to the expiration date of this
permit, the Permittee shall submit the air pollution emission inventory report (with
Certification Sheet) in accordance with 15A NCAC 2D .0202, pursuant to N.C. General
Statute 143 215.65. The report shall be submitted to the Regional Supervisor, DAQ and shall
document air pollutants emitted for the 2028 calendar year.
3. COMPLIANCE WITH EMISSION CONTROL STANDARDS - As required by 15A
NCAC 2D .0501 (c) any source of air pollution shall be operated with such control or in
such manner that the source shall not cause the ambient air quality standards pursuant to
15A NCAC 02D .0400 to be exceeded at any point beyond the premises on which the source
is located. When controls more stringent than those named in the applicable emission
standards in this Section are required to prevent violation of the ambient air quality
standards or are required to create an offset, the permit shall contain a condition requiring
these controls.
The Permittee submitted a sitewide NAAQS dispersion modeling analysis that was received
March 2, 2021, and revised March 10 and 17, 2021. The modeling analysis was reviewed
and approved by the DAQ Air Quality Analysis Branch (AQAB) on March 23, 2021.
Placement of the emission sources, configuration of the emission points, and operation of
the sources shall be in accordance with the submitted sitewide NAAQS dispersion modeling
analysis that was reviewed and approved by the DAQ Air Quality Analysis Branch (AQAB)
on March 23, 2021.

Permit No. 10694R00
Page 4
a. Production Limitations - To ensure compliance with 2D.0501(c), the Permittee shall
operate the modeled sources in accordance with the operating restrictions presented
in Condition A.21, below.
b. Water Truck — An operable water truck shall be available on site (can be on the
quarry property) at all times while the plant is operating. The haul roads and front-
end loader work area shall be adequately maintained by wet suppression to minimize
fugitive emissions.
c. The Permittee shall maintain on -site an equipment list and a plant (or flow) diagram
of all equipment covered under this permit.
The equipment list shall include the following information for each piece of
equipment:
A. A description of equipment including applicability of New Source
Performance Standards, and:
I. Width of belt conveyors,
II. Dimensions and configuration (e.g., triple deck ) of screens,
and
III. Rated capacity (tons or tons/hr.) of all nonmetallic mineral
processing equipment.
B. A unique ID number.
C. The date the equipment was manufactured.
D. The dates any required performance testing was conducted and
submitted to the Regional Supervisor, DAQ.
I The equipment list and plant (or flow) diagram shall bear the date when the
current list and diagrams were revised.
iii. The Permittee shall provide documentation to the Regional Supervisor, DAQ,
for any required performance testing within seven days of a written request.
iv. Notwithstanding General Conditions and Limitations titled "Equipment
Relocation" and "Reporting Requirement," the Permittee may install new and
relocate existing nonmetallic mineral processing equipment after obtaining
prior -approval from the Director. The Permittee shall provide written
notification to the Regional Supervisor, DAQ, including a revised equipment
list and plant (or flow) diagram, each time nonmetallic mineral processing
equipment is installed or relocated at a facility. Nonmetallic mineral
processing equipment includes all crushers, screens, conveyors, and loadout
bins.
4. PARTICULATE CONTROL REQUIREMENT - As required by 15A NCAC 2D .0503
"Particulates from Fuel Burning Indirect Heat Exchangers," particulate matter emissions
from the fuel burning indirect heat exchangers shall not exceed the allowable emission rates
listed below:

Permit No. 10694R00
Page 5
_...__........_. - .............. ........_.. .... .._... ... ......... ...
..
Source
Natural Gas/No.2 fuel oil -fired Asphalt Cement Heater
(1.2 MMBtu/hr. maximum heat input capacity) '(ES-ACH 1)
Natural Gas/No.2 fuel oil -fired Asphalt Cement Heater
(1.1 MMBtu/hr. maximum heat input capacity) (ES-ACH2):
fission Limit (lbs./million Btu):
0.6, each
5. PARTICULATE CONTROL REQUIREMENT - As required by 15A NCAC 2D .0506
"Particulates from Hot Mix Asphalt Plants,"
a. Particulate matter emissions resulting from the'operation of a hot mix asphalt plant
shall not exceed allowable emission rates. The allowable emission rates are, as
defined in 15A NCAC 2D .0506, a function of the process weight rate and shall be
determined by the following equation (calculated to three significant figures), where
P is the process throughput rate in tons per hour (tons/hr.) and E is the allowable
emission rate in pounds per hour (lbs./hr.).
E = 4.9445 * (P) 0.4116 for P < 300 tons/hr., or
E = 60 lbs./hr. for P >_ 300 tons/hr.
b. Visible emissions from stacks or vents at a hot mix asphalt plant shall be less than 20
percent opacity when averaged over a six -minute period.
c. Fugitive dust emissions shall be controlled as required by 15A NCAC 2D .0540
"Particulates From Fugitive Dust Emission Sources.
d. Fugitive emissions for sources at a hot mix asphalt plant not covered elsewhere
under this Rule shall not exceed 20 percent opacity averaged over six minutes.
6. PARTICULATE CONTROL REQUIREMENT -As required by 15ANCAC 2D .0510
"Particulates from Sand, Gravel, or Crushed Stone Operations," the following requirements
apply:
a. The Permittee of a sand, gravel, recycled asphalt pavement (RAP), or crushed stone
operation shall not cause, allow, or permit any material to be produced, handled,
transported, or stockpiled without taking measures to reduce to a minimum any
particulate matter from becoming airborne to prevent exceeding the ambient air
quality standards beyond the property line for particulate matter, both PMi0 and total
suspended particulates.
b. Fugitive dust emissions from sand, gravel, RAP, or crushed stone operations shall be
controlled by 15A NCAC 2D .0540 "Particulates from Fugitive Dust Emission
Sources."
c. The Permittee of any sand, gravel, RAP, or crushed stone operation shall control
process -generated emissions:
i. From crushers with wet suppression (excluding RAP crushers); and

Permit No. 10694R00
Page 6
ii. From conveyors, screens, and transfer points
such that the applicable opacity standards in 15A NCAC 2D .0521 Control of Visible
Emissions," or 15A NCAC 2D .0524 "New Source Performance standards" are not
exceeded.
7. PARTICULATE CONTROL REQUIREMENT - As required by 15A NCAC 2D .0515
"Particulates from Miscellaneous Industrial Processes," particulate matter emissions from
Truck Loadout Point (ID No. RMC-LOI), Cement Storage Silo (ID No. RMC-Silol),
Flyash Storage Silo (ID No. RMC-Silo2), Cement/Flyash Weigh Batcher (ID No. RMC-
WBl) and Aggregate Weigh Batcher (ID No. RMC-WB2) shall not exceed allowable
emission rates. The allowable emission rates are, as defined in 15A NCAC 2D .0515, a
function of the process weight rate and shall be determined by the following equation(s),
where P is the process throughput rate in tons per hour (tons/hr.) and E is the allowable
emission rate in pounds per hour abs./hr.).
E = 4.10 * (P) 0 67 for P 5 30 tons/hr., or
E = 55 * (P) °•" - 40 for P >30 tons/hr.
8. SULFUR DIOXIDE CONTROL REQUIREMENT - As required by 15A NCAC 2D .0516
"Sulfur Dioxide Emissions from Combustion Sources," sulfur dioxide emissions from the
combustion sources shall not exceed 2.3 pounds per million Btu heat input.
9. VISIBLE EMISSIONS CONTROL REQUIREMENT - As required by 15A NCAC 2D
.0521 "Control of Visible Emissions," visible emissions from the emission sources,
manufactured after July 1, 1971, shall not be more than 20 percent opacity when averaged
over a six -minute period, except that six -minute periods averaging not more than 87 percent
opacity may occur not more than once in any hour nor more than four times in any 24-hour
period. However, sources which must comply with a visible emissions standard in 15A
NCAC 2D .0524 "New Source Performance Standards" or .1110 "National Emission
Standards for Hazardous Air Pollutants" shall meet that standard instead of the 2D .0521
visible emissions standard.
10. 15A NCAC 2D .0524 "NEW SOURCE PERFORMANCE STANDARDS" - For the
following equipment, The Permittee shall comply with all applicable provisions, including
the notification, testing, reporting, recordkeeping, and monitoring requirements contained in
Environmental Management Commission Standard 15A NCAC 2D .0524 "New Source
Performance Standards" (NSPS) as promulgated in 40 CFR 60, Subpart indicated below,
and including Subpart A "General Provisions."
(J50V2) 350 hp Diesel Engine Powering Primary Crusher (ID No. GEN-1) 40 CFR 60, Subpart IIII
(J45) 350 hp Diesel Engine Powering Primary Crusher (ID No. GEN-la) "Standards of
(sI90dt) 125 hp Diesel Engine Powering Screen (ID No. GEN-2) Performance for
(PS1300 Maxtrack) 440 hp Diesel Engine Powering Cone Crusher (ID No. GEN-3) Stationary
(TF80) 125 hp Diesel Engine Powering Tracked Feeder (ID No. GEN-4) Compression Ignition
(PSI 300 Maxtrack) 450 hp Diesel Engine Powering Cone Crusher (ID No. GEN-5) Internal Combustion
(PS100 Maxtrack) 350 hp Diesel Engine Powering Cone Crusher (ID No. GEN-7) Engines (Cl ICE)"

Permit No. 10694R00
Page 7
a. Emission Standards:
i. The Permittee shall operate and maintain stationary CI ICE that achieve the
emission standards as required in 40 CFR 60.4204 over the entire life of the
engine.
ii. For the 2007 model year and later non -emergency stationary CI ICE with a
displacement of less than 30 liters per cylinder, the Permittee shall comply
with the emission standards for new CI engines in 40 CFR 60.4201, as
applicable. [60.4204(b)]
b. Fuel Requirements:
i. Engines subject to this subpart with a displacement of less than 30 liters per
cylinder that use diesel fuel shall use diesel fuel that meets the requirements
of 40 CFR 80.510(b) for nonroad diesel fuel, as listed below, except that any
existing diesel fuel purchased (or otherwise obtained) prior to October 1,
2010, may be used until depleted. [60.4207(b)]
A. Has a maximum sulfur content of 15 ppm [40 CFR 80.510(b)]; and
B. Has a minimum cetane index of 40 or a maximum aromatic content of
35 volume percent. [40 CFR 80.510(b)]
c. Compliance Requirements:
i. The-Permittee shall do all the following, except as permitted under 40 CFR
60.4211(g): [60.4211(a)]
A. Operate and maintain the stationary CI ICE and control device
according to the manufacturer's written emission -related instructions
or procedures developed by the Permittee that are approved by the
engine manufacturer; [60.4211(a)(1)]
B. Change only those emission -related settings that are permitted by the
manufacturer [60.4211(a)(2)]; and
C. Meet the requirements of 40 CFR parts 89, 94 and/or 1068, as
applicable. [60.4211(a)(3)]
ii. For the 2007 model year and later stationary CI ICE that must comply with
the emission standards specified in 40 CFR 60.4204(b) or 4205(b), the
Permittee shall comply by purchasing an engine certified to the emission
standards in 40 CFR 60.4204(b), or 4205(b) or (c), as applicable, for the same
model year and maximum engine power. The engine shall be installed and
configured according to the manufacturer's emission -related specifications,
except as permitted in 40 CFR 60.4211(g). [60.4211(c)]
iii. If the Permittee does not install, configure, operate, and maintain the engine
and control device according to.the manufacturer's emission -related written
instructions, or if the Permittee changes emission -related settings in a way

Permit No. 10694R00
Page 8
that is not permitted by the manufacturer, the Permittee shall demonstrate
compliance per the requirements of 40 CFR 60.4211(g). [60.4211(g)]
11. 15A NCAC 2D .0524 "NEW SOURCE PERFORMANCE STANDARDS" - For the Hot
Mix Asphalt Plant (ID No. HMA-1), the Permittee shall comply with all applicable
provisions, including the notification, testing, reporting, recordkeeping, and monitoring
requirements contained in Environmental Management Commission Standard 15A NCAC
2D .0524 "New Source Performance Standards" (NSPS) as promulgated in 40 CFR 60,
Subpart I, including Subpart A "General Provisions."
a. NSPS Reporting Requirements - In addition to any other notification requirements to
the Environmental Protection Agency (EPA), the Permittee is required to NOTIFY
the Regional Supervisor, DAQ, in WRITING, of the following:
i. The date construction (40 CFR 60.7) or reconstruction (40 CFR 60.15) of an
affected source is commenced, postmarked no later than 30 days after such
date. This requirement shall not apply in the case of mass-produced sources
which are purchased in completed form;
ii. The actual date of initial start-up of an affected source, postmarked within 15
days after such date.
b. NSPS Emissions Limitations -As required by 15A NCAC 2D .0524, the Permittee
shall not discharge or cause the discharge into the atmosphere from any affected
source any gases which:
i. Contain particulate matter in excess of 90 mg/dscm (0.04 gr/dsef); or
Exhibit 20 percent opacity, or greater.
c. NSPS Performance Testing -As required by 15A NCAC 2D .0524, the following
performance tests shall be conducted:
The Permittee shall conduct the testing required in Permit Condition A.16.
12. 15A NCAC 2D .0524 "NEW SOURCE PERFORMANCE STANDARDS" - For the
following equipment, the Permittee shall comply with all applicable provisions, including
the notification, testing, reporting, recordkeeping, and monitoring requirements contained in
Environmental Management Commission Standard 15A NCAC 2D .0524 "New Source
Performance Standards" (NSPS) as promulgated in 40 CFR Part 60, Subpart indicated
below, and including Subpart A "General Provisions."
Generator #1 (ID No. ES-PGENI) 40 CFR Part 60, Subpart JJJJ
Generator #2 (ID No. ES-PGEN2) Standards of Performance for
Generator #3 (ID No. ES-PGEN3) Stationary Spark Ignition Combustion Engines
(SI ICE)
a. Compliance Requirements -As required by 15A NCAC 2D .0524, the following
compliance requirements shall apply:

Permit No. 10694R00
Page 9
i. The Permittee shall operate and maintain stationary SI ICE that'achieve the
emission standards as required in 40 CFR 60.4233 over the entire life of the
engine. [60.4234]
I Owners and operators of stationary SI ICE who conduct performance tests
shall follow the procedures in 40 CFR 60.4244. [60.4244]
iii. For SI ICE is manufactured after July 1, 2008, that must comply with the
emission standards. specified in 40 CFR 60.4233(a) through (c), the Permittee
shall comply by purchasing an engine certified to the emission standards in
40 CFR 60.4231(a) through (c), as applicable, for the same engine class and
maximum engine power. In addition, the Permittee shall meet one of the
requirements specified in (A) and (B) of this section. [60.4243(a)]
A. For the certified stationary SI ICE and control device. that are operated
and maintained according to the manufacturer's emission -related
written instructions, the Permittee shall keep records of conducted
maintenance to demonstrate compliance, but no performance testing
is required. The Permittee shall also meet the requirements as
specified in 40 CFR Part 1068, Subparts A through D, as they apply
to you. If engine settings are adjusted according to and consistent with
the manufacturer's instructions, the stationary SI ICE will not be
considered out of compliance [60.4243 (a)(1)]; or
B. If the certified stationary SI ICE and control device are not operated
and maintained according to the manufacturer's emission -related
written instructions, the engine will be considered a non -certified
engine, and the Permittee shall demonstrate compliance according to
the following, as appropriate. [60.4243(a)(2)]
I. For the stationary SI ICE that is greater than 500 HP, the
Permittee shall keep a maintenance plan and records of
conducted maintenance and shall, to the extent practicable,
maintain and operate the engine in a manner consistent with
good air pollution control practice for minimizing emissions.
In addition, the Permittee shall conduct an initial performance
test within 1 year of engine startup and conduct subsequent
performance testing every 8,760 hours or 3 years, whichever
comes first, thereafter to demonstrate compliance.
[60.4243 (a)(2)(iii)]
iv. For the stationary SI ICE that -must comply with the emission standards
specified in 40 CFR 60.4233(d) or (e), the Permittee shall demonstrate
compliance according to one of the methods specified in paragraphs A and B
of this section. [60.4243(b)]
A. Purchasing an engine certified according to procedures specified in
this subpart, for the same model year and demonstrating compliance
according to one of the methods specified in 40 CFR 60.4243(a)
[60.4243 (b)(1)]; or

Permit No. 10694R00
Page 10
B. Purchasing a non -certified engine and demonstrating compliance with
the emission standards specified in 40 CFR 60.4233(d) or (e) and
according to the requirements specified in 40 CFR 60.4244, as
applicable, and according to the following: [60.4243(b)(2)]
I. For a stationary SI ICE that is greater than 500 HP, the
Permittee shall keep a maintenance. plan and records of
conducted maintenance and shall, to the extent practicable,
maintain and operate the engine in a manner consistent with
good air pollution control practice for minimizing emissions.
In addition, the Permittee shall conduct an initial performance
test and conduct subsequent performance testing every 8,760
hours or 3 years, whichever comes first, thereafter to
demonstrate compliance. [60.4243(b)(2)(ii)]
V. It is expected that air -to -fuel ratio (AFR) controllers will be used with the
operation of three-way catalysts/non-selective catalytic reduction. The AFR
controller shall be maintained and operated appropriately in order to ensure
proper operation of the engine and control device to minimize emissions at
all times. [60.4243 (g)]
b. Recordkeeping Requirements - As required by 15A NCAC 2D .0524, the following
recordkeeping requirements shall apply:
i. The Permittee shall keep records as follows: [60.4245]
A. All notifications submitted to comply with this subpart and all
documentation supporting any notification; [60.4245(a)(1)]
B. Maintenance conducted on the engine; [60.4245(a)(2)]
C. If the stationary SI ICE is a certified engine, documentation from the
manufacturer that the engine is certified to meet the emission
standards and information as required in 40 CFR parts 90, 1048,
1054, and 1060, as applicable [60.4245(a)(3)]; and
D. If the stationary SI ICE is not a certified engine or is a certified engine
operating in a non -certified manner and subject to 40 CFR
60.4243(a)(2), documentation that the engine meets the emission
standards. [60.4245(a)(4)]
ii. A copy of the maintenance plan, if required, and records of conducted
maintenance. [60.4243(a)(1)]
iii. Copies of any performance testing required under this Subpart. [60.4245(d)]
iv. All records required under this section shall be maintained for a period of two
years following the date of such record. All records shall be kept on -site and
made available to DAQ personnel upon request. The Permittee shall be

Permit No. 10694R00
Page 11
deemed in noncompliance with 15A NCAC 2D .0524 if recordkeeping
requirements are not maintained. [40 CFR 60.7(f)]
c. Reporting Requirements - As required by 15A NCAC 2D .0524, the following
reporting requirements shall apply:
For SI ICE subject to performance testing as required, and conducted
according to the requirements of 40 CFR 60.4244, the Permittee shall submit
a copy of each performance test within 60 days after the test has been
completed. [60.4243(a)(2), (b)(2), (e), and (f)]
ii. For stationary SI ICE greater than or equal to 500 HP that have not been
certified by an engine manufacturer to meet the emission standards in 40
CFR 60.4231, the Permittee shall submit an initial notification as required in
40 CFR 60.7(a)(1). The notification shall include.the information in
paragraphs (A) through (E) of this section. [60.4245(c)]
A. Name and address of the owner or operator; [60.4245(c)(1)]
B. The address of the affected source; [60.4245(c)(2)]
C. Engine information including make, model, engine family, serial
number, model year, maximum engine power, and engine
displacement; [60.4245(c)(3)]
D. Emission control equipment; [60.4245(c)(4)] and
E. Fuel used. [60.4245 (c)(5)]
13. 15A NCAC 2D .0524 "NEW SOURCE PERFORMANCE STANDARDS" - For the
nonmetallic mineral processing equipment (wet material processing operations, as defined in
60.671, are not subject to this Subpart) including Conveying Operations (ID No. ES -
Conveying), Crushing Operations (ID No. ES -Crusher), Screening Operations (ID No. ES -
Screening' ), RAP Bin and Feeder (ID No. RAP-BFI), RAP 36" Conveyor (C-1) Feeder to
Crusher (RAP-CR1) (ID No. RAP-Cl), RAP 36" Conveyor (C-2) Crusher to Screen (RAP-
CR1) (ID No. RAP-C2), RAP 36" Conveyor (C-3) Screen to Plant (ID No. RAP-0), RAP
36" Conveyor (C-4) Screen to Conveyor (C-5) (ID No. RAP-C4), RAP 36" Conveyor (C-5)
Conveyor (C-5) to Conveyor (C-6) (ID No. RAP-05) and RAP 36" Conveyor (C-6)
Conveyor (C-6) to Crusher (RAP-CR 1) (ID No. RAP-C6), the Permittee shall comply with
all applicable provisions, including the notification, testing, reporting, recordkeeping, and
monitoring requirements contained in Environmental Management Commission Standard
15A NCAC 2D .0524 "New Source Performance Standards" (NSPS) as promulgated in 40
CFR 60, Subpart 0.00, including Subpart A "General Provisions."
a. NSPS Reporting Requirements - In addition to any other notification requirements to
the Environmental Protection Agency (EPA), the Permittee is required to NOTIFY
the Regional Supervisor, DAQ, in WRITING, of the following:
The actual date of initial start-up of an affected facility, postmarked within 15
days after such date;

Permit No. 10694R00
Page 12
b. NSPS Emissions Limitations - As required by 15A NCAC 2D .0524 [40 CFR
60.672], the following permit limits shall not be exceeded:
i. For affected facilities that commenced construction, modification, or
reconstruction after August 31, 1983 but before April 22, 2008 (wet material
processing operations, as defined in 60.671, and Like -For -Like -Replacement,
as allowed in 60.670(d), are not subject to this Subpart):
Affected Facility Pollutant Emission
Limit
Crushers Visible Emissions 15%opacity
Fugitive emissions from conveyor belts Visible
screening operations, and other affected facilities Emissions 10% opacity
ii. For affected facilities that commenced construction, modification, or
reconstruction on or after April 22, 2008 (wet material processing operations,
as defined in 60.671, and Like -For -Like -Replacement, as allowed in
60.670(d), are not subject to this Subpart):
Emission
Affected Facility
Pollutant
Limit
_ Crushers
Visible
Emissions
12% opacity
p ty
Fugitive emissions from conveyor belts
Visible
screening operations, and other affected facilities
Emissions
7% opacity
c. NSPS Monitoring Requirements -As required by 15A NCAC 2D .0524 [40 CFR
60.674], the following monitoring shall be conducted:
i. For any affected facility that commenced construction, modification, or
reconstruction on or after April 22, 2008 that uses wet suppression to control
emissions (Like -For -Like -Replacement, as allowed in 60.670(d), is not
subject to this Subpart), the. Permitted shall:
A. Perform monthly periodic inspections to check that water is flowing
to discharge spray nozzles in the wet suppression systems.
B. Initiate corrective action within 24 hours and complete corrective
action as expediently as practical if the Permittee finds that water is
not flowing properly during an inspection of the water spray nozzles.
d. NSPS Recordkeeping Requirements -As required by 15A NCAC 2D .0524 [40 CFR
60.676], the following recordkeeping requirements shall be conducted:

Permit No. 10694R00
Page 13
i. Each inspection of the water spray nozzles, including the date of each
inspection and any corrective actions taken, shall be recorded in a logbook (in
written or electronic form).
ii. The logbooks (in written or electronic form) shall be maintained on -site and
made available to DAQ personnel upon request..
e. NSPS Performance Testing - As required by 15A NCAC 2D .0524, the following
performance tests shall be conducted:
Affected Facility Pollutant I Test Method
Crushers Visible Method 9
Emissions
Fugitive emissions from conveyor belts, Visible Method 9
screening operations, and other affected facilities: Emissions
All performance tests shall be conducted in accordance with EPA Reference
Methods, contained in 40 CFR 60, Appendix A.
I The EPA Administrator retains the exclusive right to approve equivalent and
alternative test methods, continuous monitoring procedures, and reporting
requirements.
iii. Within 60 days after achieving the maximum production rate at which the
affected facility(s) will be operated, but not later than 180 days after the
initial start-up of the affected facility(s), the Permittee shall conduct the
required performance test(s) and submit two copies of a written report of the
test(s) to the Regional Supervisor, DAQ.
iv. The Permittee shall be responsible for ensuring, within the limits of
practicality, that the equipment or process being tested is operated at or near
its maximum normal production rate or at a lesser rate if specified by the
Director or his delegate.
V. All associated testing costs are the responsibility of the Permittee.
vi. The Permittee shall arrange for air emission testing protocols to be provided
to the DAQ prior to testing. Testing protocols are not required to be pre -
approved by the DAQ prior to testing. The DAQ shall review testing
protocols for pre -approval prior to testing if requested by the Permittee at
least 45 days before conducting the test.
vii. To afford the Regional Supervisor, DAQ, the opportunity to have an observer
present, the Permittee shall PROVIDE the Regional Office, in WRITING, at
least 7 days notice of any required performance test(s) that involve only
Method 9. All other tests require a 3 0-day notice.
viii. When determining compliance with the visible emissions limit from fugitive
emissions from crushers, conveyor belts, screening operations, and other

Permit No. 10694R00
Page 14
affected facilities (as described in 60.672(b) or 60.672(e)(1)), the duration of
the Method 9 test must be 30 minutes (five 6-minute averages). Compliance
with the fugitive visible emissions limits must be based on the average of the
five 6-minute averages.
ix. For any affected facility that commenced construction, modification, or
reconstruction on or after April 22, 2008 that does not use wet suppression to
control emissions, the Permittee shall repeat the performance tests within five
(5) years of the previous test.
A. If an affected facility relies on water carryover from upstream wet
suppression to control fugitive emissions, then that affected facility is
exempt from the 5-year repeat testing requirement provided that the
Permittee conducts periodic inspections of the upstream wet
suppression that is responsible for controlling fugitive emissions from
the affected facility and designates which upstream wet suppression
systems will be periodically inspected at the time of the initial
performance test.
f. Like -For -Like -Replacement - As provided in 40 CFR 60.670(d), when an existing
facility is replaced by a piece of equipment of equal or smaller size, as defined in 40
CFR 60.671, having the same function as the existing facility, and there is no
increase- in the amount of emissions, the new facility is exempt from the provisions
of 40 CFR 60.672, 60.674, and-60.675 except as provided for in 60.670(d)(3). The
Permittee shall comply with the reporting requirements of 40 CFR 60.676(a).
Equipment covered under 40 CFR 60.670 shall comply the requirements of 15A
NCAC 2D .0521.
14. NOTIFICATION REQUIREMENT - As required by 15A NCAC 2D .0535, the Permittee of
a source of excess emissions that last for more than four hours and that results from a
malfunction, a breakdown of process or control equipment or any other abnormal
conditions, shall:
a. Notify the Director or his designee of any such occurrence by 9:00 a.m. Eastern time
of the Division's next business day of becoming aware of the occurrence and
describe:
the name and location of the facility, '
ii. the nature and cause of the malfunction or breakdown,
iii. the time when the malfunction or breakdown is first observed,
iv. the * expected duration, and
V. an estimated rate of emissions.
b. Notify the Director or his designee immediately when the corrective measures have
been accomplished.

Permit No. 10694R00
Page 15
This reporting requirement does not allow the operation of the facility in excess of
Environmental Management Commission Regulations.
15. FUGITIVE DUST CONTROL REQUIREMENT - As required by 15A NCAC 2D .0540
"Particulates from Fugitive Dust Emission Sources," the Permittee shall not cause or allow
fugitive dust emissions to cause or contribute to substantive complaints or excess visible
emissions beyond the property boundary. If substantive complaints are received or excessive
fugitive dust emissions from the facility are observed beyond the property boundaries for six
minutes in any one hour (using Reference Method 22 in 40 CFR, Appendix A), the owner or
operator may be required to submit a fugitive dust plan as described in 2D .0540(f).
"Fugitive dust emissions" means particulate matter that does not pass through a process
stack or vent and that is generated within plant property boundaries from activities such as:
unloading and loading areas, process areas stockpiles, stock pile working, plant parking lots,
and plant roads (including access roads and haul roads).
16. TESTING REQUIREMENT - Under the provisions of North Carolina General Statute 143-
215.108 and in accordance with 15A NCAC 2D .0605, the Permittee shall demonstrate
compliance with the emission limit(s) by testing the emission source(s) for the specified
pollutant(s) as follows:
Affected Source(s)
Pollutant
Target Test
Parameter Method
- Filterable Particulate
Hot Mix Asphalt Plant (80 MMBtu/hr.
maximum heat input capacity)
Matter
As per 15A
NCAC 2D .0506
and 2D .0524
Method 5
Method 202
---
Condensable
MMA-1)
Particulate Matter
Visible Emissions
20 o Opacity
F Method 9
a. All performance tests ,shall be conducted in accordance with EPA Reference
Methods, contained in 40 CFR 60, Appendix A.
b. The EPA Administrator retains the exclusive right to approve equivalent and
alternative test methods, continuous monitoring procedures, and reporting
requirements.
c. The Permittee shall arrange for air emission testing protocols to be provided to the
DAQ prior to testing. Testing protocols are not required to be pre -approved by the
DAQ prior to testing. The DAQ shall review testing protocols for pre -approval prior
to testing if requested by the Permittee at least 45 days before conducting the test.
d. To afford the Regional Supervisor, DAQ, the opportunity to have an observer
present, the Permittee shall PROVIDE the Regional Office, in WRITING, at least 30
days notice of any required performance tests.
e. Within 60 days after achieving the maximum production rate at which the affected
source(s) will be operated, but not later than 180 days after the initial start-up of the
affected source(s), the Permittee shall conduct the required performance test(s) and

Permit No. 10694R00
Page 16
submit two copies of a written report of the test(s) to the Regional Supervisor, DAQ.
f. The facility must test while combusting the fuel that will be utilized for the majority
of the operating time.
g. This permit may be revoked, with proper notice to the Permittee, or enforcement
procedures initiated, if the results of the test(s) indicate that the facility does not meet
applicable limitations.
h. The Permittee shall be responsible for ensuring, within the limits of practicality, that
the equipment or process being tested is operated at or near its maximum normal
production rate, or at a lesser rate if specified by the Director or his delegate.
i. All associated testing costs are the responsibility of the Permittee.
17. FABRIC FILTER REQUIREMENTS including cartridge filters ba houses and other dry
filter particulate collection devices - As required by 15A NCAC 2D .0611, particulate matter
emissions shall be controlled as described in the permitted equipment list.
a. Inspection and Maintenance Requirements - To comply with the provisions of this
permit and ensure that emissions do not exceed the regulatory limits, the Permittee
shall perform, at a minimum, an annual (for each 12-month period following the
initial inspection) internal inspection of each particulate collection device system. In
addition, the Permittee shall perform periodic inspections and maintenance as
recommended by the equipment manufacturer.
b. Recordkeeping Requirements - The results of all inspections and any variance from
manufacturer's recommendations or from those given in this permit (when
applicable) shall be investigated with corrections made and dates of actions recorded
in a logbook. Records of all maintenance activities shall be recorded in the logbook.
The logbook (in written or electronic format) shall be kept on -site and made
available to DAQ personnel upon request.
18. TOXIC AIR POLLUTANT EMISSIONS LIMITATION AND REPORTING
REQUIREMENT - Pursuant to 15A NCAC 2D .1100 "Control of Toxic Air Pollutants," and
in accordance with the approved application for an air toxic compliance demonstration, the
permit limits in the table below shall not be exceeded. The Permittee has submitted a toxic
air pollutant dispersion modeling analysis dated April 22, 2021 for the facility's toxic air
pollutant emissions as listed in the below table. The modeling analysis was reviewed and
approved by the DAQ Air Quality Analysis Branch (AQAB) on July 29, 2021 and revised
on August 2, 2021. Placement of the emission sources, configuration of the emission points,
and operation of the sources shall be in accordance with the submitted dispersion modeling
analysis and should reflect any changes from the original analysis submittal as outlined in
the AQAB review memo.

Permit No. 10694R00
Page 17
Affected Source(s)
Toxic Air Pollutant
FEmission Limit
Formaldehyde (50-00-0) 7.75E-01 lb./hr.
Mercury, vapor (Component of HGC) 1.56E-021b./day
(7439-97-6)
Propane/Natural Gas/No. 2 Fuel Oil/Recycled
No. 2 Fuel Oil/Recycled No. 4 Fuel Oil -fired Nickel metal (Component of NYC) 3.79E-01 lb,/day
drum type hot mix asphalt plant (80 MMBtu/hr. (7440-02-0)
maximum heat input capacity) (HMA-1) Arsenic & Compounds (total mass of
elemental AS, arsine and all inorganic 1.23 lb./year
compounds) (ASC (7778394))
Benzene (71-43-2) 8.54E+021bJyear
Formaldehyde (50-00-0) 4.11 E-04 lb./hr.
Mercury, vapor (Component of HGC) 8,64E-05 lb./day
(7439-97-6)
Natural Gas/No.2 fuel oil -fired Asphalt Cement Nickel metal (Component of NIC} 8,64E-05 lb./day
Heater (1.2 MMBtu/hr. maximum heat input (7440-02-0)
capacity) (ES-ACHI) Arsenic & Compounds (total mass of
elemental AS, arsine and all inorganic 4.20E-021b./year
compounds) (ASC (7778394))
Benzene (71-43-2) r2.06E-01 lb./year
Formaldehyde (50-00-0) 3.77E-041b./hr.
Mercury, vapor (Component of HGC) 7.92E-05 lb./day
(7439-97-6)
Natural Gas/No.2 fuel oil -fired Asphalt Cement Nickel metal (Component of NIC) 7,92E-05 lb./day
Heater (L I MMBtu/hr. maximum heat input (7440-02-0)
capacity) (ES-ACH2) Arsenic & Compounds (total mass of
elemental AS, arsine and all inorganic 3.85E-02 lb./year
compounds) (ASC (7778394))
Benzene (71-43-2) �j 1.89E-01 lb./year
Five Hot Mix Asphalt Storage Silos (150-200 Formaldehyde (50-00-0) 2.10E-02 lb./hr.
tons Maximum Capacity, each) (HMA-Silol -
HMA-Silo5) Benzene (71-43-2) F 8.54 lb./year
through
Nickel metal (Component of NIC).
4.62E-03 lb./day
(7440-02-0)
Truck Loadout Point (RMC-LO 1)
Arsenic & Compounds (total mass of
elemental AS, arsine and all inorganic
5.77E-01 lb./year
compounds) (ASC (7778394))
Asphalt Loadout Operation for Silos 1 throughF
Formaldehyde (50-00-0) 9.15E-04 lb./hr.
5 (HMA-LO1 through HMA-L05)
Benzene (71-43-2)
4.74 lb./year
a. Restrictions - To ensure compliance with the above limits, the Permitted shall
comply with the operations restrictions, recordkeeping and reporting requirements of
Condition A.21. If these requirements are not met, the Permittee shall be deemed in
noncompliance with 15A NCAC 2D. 1100.

Permit No. 10694R00
Page 18
19. 15A NCAC 2D. 1111 "MAXIMUM ACHIEVABLE CONTROL TECHNOLOGY% For the ten
(10) generators (ID Nos. ES-PGEN1, ES-PGEN2, ES-PGEN3, GEN-1, GEN-la, GEN-2, GEN-3,
GEN-4, GEN-5, GEN-7), classified as new stationary RICE located at an area source of HAP
emissions, the Permittee shall comply with all applicable provisions, including the notification,
testing, reporting, recordkeeping, and monitoring requirements contained in Environmental
Management Commission Standard 15A NCAC 2D .I 111, as promulgated in 40 CFR 63, Subpart
ZZZZ - "National Emissions Standards for Hazardous Air Pollutants for Stationary Reciprocating
Internal Combustion Engines," including Subpart A "General Provisions."
a. In accordance with 40 CFR §63.6590(c)(1), this source(s) shall meet the requirements of 40
CFR 63 Subpart ZZZZ and Subpart A by meeting the requirements of 40 CFR 60 Subpart
IIII for compression ignition engines or 40 CFR 60 Subpart JJJJ for spark ignition engines.
No further requirements apply for such engines under 40 CFR 63 Subpart ZZZZ or Subpart
A.
20. CONTROL AND PROHIBITION OF ODOROUS. EMISSIONS - As required by 15A NCAC 2D
.1806 "Control and Prohibition of Odorous Emissions" the Permittee shall not operate the facility
without implementing management practices or installing and operating odor control equipment
sufficient to prevent odorous emissions from the facility from causing or contributing to
objectionable odors beyond the facility's boundary.
21. LIMITATION TO AVOID 15A NCAC 2Q• .0501 - Pursuant to 15A NCAC 2Q .0315 "Synthetic
Minor Facilities," to avoid. the applicability of 15A NCAC 2Q .0501 "Purpose of Section and
Requirement for a Permit," as requested by the Permittee, facility -wide emissions shall be less than
the following:
Pollutant
Emission Limit
(Tons per consecutive 12-month period)
S02
100
NOx
100
CO
100
a. Operations Restrictions - To ensure emissions do not exceed the limitations above, the
. following restrictions shall apply:
i. The amount of asphalt produced shall be less than 600,000 tons per consecutive 12-
month period.
ii. The sulfur content of the Recycled No. 4 fuel oil shall be limited to 0.5% sulfur by
weight.
iii. The sulfur content of the No. 2 fuel oil combusted in the Asphalt Cement Heaters
(ES-ACH1 and ES-ACH2) shall be limited to 15 PPM sulfur by weight.
iv. The production of the quarry operations shall be less than 5,694,000 tons per
consecutive 12-month period.

Permit No. 10694R00
Page 19
V. The total fuel consumption of the three Natural Gas/Propane Fired Generators (ES-
PGEN1, ES-PGEN2, and ES-PGEN3) shall not exceed 119,697 MMBtu/yr. per
consecutive 12-month period.
vi. The total fuel consumption of the smaller generators associated with the quarry
equipment (GEN-1, GEN-1 A, GEN-2, GEN-3, GEN-4, GEN-5, and GEN-7) shall be
less than 569,746 gallons of No. 2 Fuel Oil per consecutive 12-month period
vii. If multiple fuels are used, emissions should be determined using the sum of the
individual emissions rates.
b. Inspection and Maintenance Requirements -
i. Catalytic Oxidizer Requirements - Emissions shall be controlled as described in the
permitted equipment list. To comply with the provisions of this permit and ensure
that emissions do not exceed the regulatory limits, the Permittee shall perform
periodic inspections and maintenance (I&M) as recommended by the manufacturer.
As a minimum, the I&M program will include an annual (for each 12-month period
following the initial inspection) internal inspection of each primary heat exchanger
and associated inlet/outlet valves to ensure structural integrity.
c. Recordkeeping Requirements
i. The Permittee shall record monthly and total monthly (for the previous 12 months)
the following:
A. The amount [tons] of asphalt produced.
B. The facility -wide S02, NOx, and CO emissions.
C. The total fuel consumption of the three Natural Gas/Propane Fired
Generators (ES-PGEN1, ES-PGEN2, and ES-PGEN3).
D. The total No. 2 Fuel Oil consumption, in gallons, of the smaller generators
associated with the quarry equipment (GEN-1, GEN-1 A, GEN-2, GEN-3,
GEN-4, GEN-5, GEN-7).
E. The amount of non-metallic mineral product [tons] produced by the quarry.
ii. Fuel supplier certification shall be kept on -site and made available to DAQ personnel.
upon request.
iii. A log book (in written or electronic format) shall be kept on site for Catalytic
Oxidizers (CD-PGEN1 through CD-PGEN3) and made available to Division of Air
Quality personnel upon request. The Permittee shall record all inspection,
maintenance and monitoring requirements listed above in the log book. Any variance
from the manufacturer's recommendations shall be investigated with corrections
made and date of actions recorded in the log book.
d. Reporting Requirements - Within 30 days after each calendar year quarter, regardless of the
actual emissions, the Permittee shall submit the following:

Permit No. 10694R00
Page 20
i. emissions and/or operational data listed below. The data should include
monthly and 12-month totals for the previous 14 months. The data must be
calculated for each of the three 12-month periods over the previous 14
months.
A. The amount [tons] of asphalt produced.
B. The facility -wide S02, NOx and CO emissions [tons].
C. The total fuel consumption of the three Generators (ES-PGENI, ES-
PGEN2, and ES-PGEN3).
D. The total No. 2 Fuel Oil consumption, in gallons, of the smaller
generators associated with the quarry equipment (GEN- l , GEN-1 A,
GEN-2, GEN-3, GEN-4, GEN-5, GEN-7).
E. The amount of non-metallic mineral product [tons] produced by the
quarry.
ii. copies of the fuel certification records for the previous 3 months
summary of all control device monitoring and recordkeeping activities
described above for the previous 3 months
22. LIMITATION TO AVOID 15A NCAC 2D .0530 "PREVENTION OF SIGNIFICANT
DETERIORATION" - In accordance with 15A NCAC 2Q .0317, to comply with this permit and
avoid the applicability of 15A NCAC 2D .0530 "Prevention of Significant Deterioration," as
requested by the Permittee, emissions shall be limited as follows:
Affected Sources)
Pollutant:
Emission Limit
(Tons Per Consecutive 12-month Period)
Facility Wide
F -so2
250
23. VENDOR SUPPLIED RECYCLED No(s). 2 and 4 FUEL OIL REQUIREMENTS - In accordance
with Rule 2Q .0317, the Permittee is avoiding the applicability of Rule 2Q .0700 by using recycled
fuels which are equivalent to their virgin counterparts. The Permittee is allowed to use the recycled
fuel oil(s) as follows:
a. Specifications - The recycled fuel oil(s) shall be equivalent to unadulterated fossil
fuel- by meeting the following criteria:
ICo.nstituent/Property!:IA,Ilow.able. Level
Arsenic
�1.0 ppm maximum
Cadmium
2.0 ppm maximum
lChromium. 5.0 ppm maximum
Lead 100 ppm maximum
Total Halogens �r
1000 ppm maximum

Permit No. 10694R00
Page 21
Fconstituent/Property:FAilowable Level
Flash Point
No. 2
100°F minimum
No. 4
130OF minimum
Sulfur
No. 2
0.5% maximum (by weight)
No. 4
2.0% maximum (by weight)
Ash
F-R—maximum
b. The Permittee is responsible for ensuring that the recycled fuel oil(s), as received at
the site, meet(s) the approved criteria for unadulterated fuel. The Permittee is held
responsible for any discrepancies discovered by DAQ as a result of any sampling and
analysis of the fuel oil(s).
c. Recordkeeping_Requirements - The Permittee shall maintain at the facility for a
minimum of three years, and shall make available to representatives of the DAQ
upon request, accurate records of the following:
The actual amount of recycled fuel oil(s) delivered to, and combusted at the
facility on an annual basis.
ii. Each load of recycled fuel oil received shall include the following:
A. A delivery manifest document clearly showing the shipment content
and amount, its place and date of loading, and place and date of
destination.
B. A batch specific analytical report that contains an analysis for all
constituents / properties listed above. Analytical results of the samples
representative of the recycled oil shipment from the vendor shall be
no more than one year old when received.
C. Batch signature information consisting of the following: a batch
number, tank identification with batch volume of recycled oil, date,
and time the batch completed treatment, and volume(s) delivered.
D. A certification indicating that the recycled fuel oil does not contain
detectable PCBs (<2ppm).
d. The DAQ reserves the right to require additional testing and/or monitoring of the.
recycled fuel oil(s) on an annual basis or without notice.
24. RECYCLED ASPHALT SHINGLE REQUIREMENTS - In accordance with Rule 2Q .0317, the
Permittee is avoiding the applicability of Rule 2Q .0700 and 2D .1100 for asbestos, and 40 CFR 61,
Subpart M. National Emission Standard for Asbestos by using post -consumer reclaimed asphalt
roofing shingles (also known as PRAS and herein denoted as recycled shingles) which are
equivalent to their virgin or unadulterated counterparts. The Permittee is allowed to use the recycled
shingles and associated asphalt roofing materials provided the following conditions are met:

Permit No. 10694R00
Page 22
Specifications - The recycled shingles shall be considered equivalent to unadulterated asphalt and
aggregate for use in manufacturing of asphalt concrete by meeting the following criteria:
The recycled shingles and roofing materials are certified to be free of asbestos containing material
(ACM. ACM is defined as materials containing more than one percent (1 %) of asbestos. This
certification shall be provided by demonstration that the materials sampled are representative of
the recycled asphalt roofing materials and contain less than I percent asbestos or are certified to
be asbestos free as measured by the method specified in appendix E, 40 CFR 763, Section 1,
polarized light microscopy (PLM. Certification shall be provided by NC -accredited Asbestos
Inspectors or Roofing Supervisors to sample the PRAS to meet the above criteria. Accreditation
shall be obtained through the Division of Public Health's Health Hazards Control Unit.
a. The Permittee is responsible for ensuring that the recycled shingles and roofing materials, as
used at the site, meet the approved criteria for unadulterated materials including meeting
minimum sampling criteria as specified by best practices. These practices shall include
visual inspection of each load for suspect ACM and a sampling of at least one sample event
per 100 tons of recycled shingles received for processing.
L Each load or batch of recycled asphalt roofing materials purchased from or provided
by an outside vendor shall include a certification that the material does not contain
ACM and that it was tested in accordance with the best practices specified above, or
ii. If certification of the incoming recycled shingle material is not provided at delivery
by an outside vendor, the Permittee shall arrange for testing and certification of the
material as not being ACM, meeting the specifications outlined above, prior to use in
the process. The Permittee shall arrange for the results of such sampling and testing
to be provided in a manner and form consistent with meeting the recordkeeping
requirements cited below.
b. The Permittee is held responsible for any discrepancies discovered by DAQ as a result of
any sampling and analysis of the recycled shingles and asphalt roofing materials..
c. Recordkeeping Requirements .- The Permittee shall maintain certifications that the materials
received and used are not ACM. These certifications shall be maintained at the facility for a
minimum of three years, and shall be made available to representatives of the DAQ upon
request. In addition, accurate records of the following:
i. The actual amount of recycled shingles delivered to and used at the facility in the
production of asphalt concrete pavement.
ii. Each load or batch of recycled shingles shall include the following:
A. A delivery manifest document .clearly showing the shipment content and
amount, its place and date of loading, and place and date of destination.
B. A batch specific analytical report that contains an analysis for all constituents
/ properties listed above in the specification. Analytical results of the samples
representative of the recycled shingles / roofing materials shipment from the
vendor shall be no more than one year old when received.

Permit No. 10694R00
Page 23
C. Batch signature information consisting of the following: a batch number,
batch weight or volume of recycled shingles / roofing materials delivered.
D. A certification statement indicating that the recycled shingles were sampled
in accordance with best practices and tested according to appendix E, 40 CFR
763, Section 1 and do not contain ACM or are otherwise asbestos -free as
determined by PLM prior to grinding.
d. The Permittee shall be obligated to comply with any additional regulations or obtain any
additional permits associated with the receipt and/or storage of the recycled asphalt roofing
materials. This permit condition to use these materials in the asphalt concrete manufacturing
process creates no waiver from other applicable laws and regulations.
e. The DAQ reserves the right to require additional testing and/or monitoring of the recycled
shingles/roofing materials in accordance with Rule 2Q. 0317.
25. TOXIC AIR POLLUTANT EMISSIONS LIMITATION REQUIREMENT - Pursuant to 15A
NCAC 2Q .0711 "Emission Rates Requiring a Permit," for each of the below listed toxic air
pollutants (TAPS), the Permittee has made a demonstration that facility -wide actual emissions,
where one or more emission release points are obstructed or non -vertically oriented, do not exceed
the Toxic Permit Emission Rates (TPERs) listed in 15A NCAC 2Q .0711(a). The facility shall be
operated and maintained in such a manner that emissions of any listed TAPs from the facility,
including fugitive emissions, will not exceed TPERs listed in 15A NCAC 2Q .0711(a).
a. A permit to emit any of the below listed TAPs shall be required for this facility if actual
emissions from all sources will become greater than the corresponding TPERs.
b. PRIOR to exceeding any of these listed TPERs, the Permittee shall be responsible for
obtaining a permit to emit TAPs and for demonstrating compliance with the requirements of
15A NCAC 2D .1100 "Control of Toxic Air Pollutants".
c. In accordance with the approved application, the Permittee shall maintain records of
operational information demonstrating that the TAP emissions do not exceed the TPERs as
listed below:
Pollutant
Carcinogens
(lb./yr.)
Chronic
Toxicants
(lb./day)
Acute Systemic
Toxicants
(lb./hr.)
Acute
Irritants
(lb./hr.)
Acetaldehyde (75-07-0) ` 6.8
Acrolein (107-02-8) 0.02
Ammonia (as NH3) (7664-41-7) 0.68
Benzo(a)pyrene
(Component of 83329/POMTV 2.2
& 56553/7PAH) (50-32-8)
Beryllium Metal (unreacted)
(Component of BEC)
0.28
(7440-41-7)

Permit No. 10694R00
Page 24
Carcinogens Chronic Acute Systemic Acute
Pollutant (lb./yr.) Toxicants Toxicants Irritants
(lb./day) (lb./hr.) (lb./hr.)
Cadmium Metal, elemental,
unreacted (Component of CDC) 0.37
(7440-43-9)
Carbon disulfide (75-15-0) F3.9 j
Chromium (VI) Soluble
Chromate Compounds 0.013
(Component of CRC) (So1CR6)
Dichlorobenzene(p), 1,4- 16.8
(106-46-7)
Fluorides (sum of all fluoride 0.34 0.064
compounds as mass of F ion)
(16984-48-8)
Hexachlorodibenzo-p-dioxin
1129396,798 (57653-85-7)
0.0051
Hexane, n- (110-54-3) ) 23 j
FHydrogen chloride
drochloric acid) (7647-01-0) F0.18
Hydrogen sulfide (7783-06-4) F�__��.� �-�- 1.7_
MEK (methyl ethyl ketone, 2- 78 22.4
butanone) (78-93-3)
Manganese & compounds 0.63
(MNC)
Methyl chloroform (71-55-6) 250 F--- 1 64
Methylene chloride (75-09-2) 1600 0.39
Perchloroethylene 13000
(tetrachloroethylene) (127-18-4)
1- -- - - --- ----F -F
Phenol (108-95-2) F 0.24
Styrene (100-42-5)^`1 2.7
Tetrachlorodibenzo-p-dioxin,
2,3,7,8- (Component of CLDC 0.0002
& 83329/POMTV) (1746-01-6)
Toluene (108-88-3) 98 14.4
Xylene (mixed isomers) 57 16.4
(1330-20-7)

Permit No. 10694R00
Page 25
B. GENERAL CONDITIONS AND LIMITATIONS
1. In accordance with G.S. 143-215.108(c)(1), TWO COPIES OF ALL DOCUMENTS,
REPORTS, TEST DATA, MONITORING DATA, NOTIFICATIONS, REQUESTS FOR
RENEWAL, AND ANY OTHER INFORMATION REQUIRED BY THIS PERMIT shall
be submitted to the:
Regional Supervisor
North Carolina Division of Air Quality
Winston-Salem Regional Office
450 West Hanes Mill Road
Suite 300
Winston-Salem, NC 27105
336-776-9800
For identification purposes, each submittal should include the facility name as listed on the
permit, the facility identification number, and the permit number.
2. RECORDS RETENTION REQUIREMENT - In accordance with 15A NCAC 2D .0605,
any records required by the conditions of this permit shall be kept on site and made available
to DAQ personnel for inspection upon request. These records shall be maintained in a form
suitable and readily available for expeditious inspection and review. These records must be
kept on site for a minimum of 2 years, unless another time period is otherwise specified.
3. ANNUAL FEE PAYMENT -Pursuant to 15A NCAC 2Q .0203(a), the Permittee shall pay
the annual permit fee within 30 days of being billed by the DAQ. Failure to pay the fee in a
timely manner will cause the DAQ to initiate action to revoke the permit.
4. EQUIPMENT RELOCATION - In accordance with 15A NCAC 2Q .0301, a new air permit
shall be obtained by the Permittee prior to establishing, building, erecting, using, or
operating the emission sources br air cleaning equipment at a site or location not specified in
this permit.
5. REPORTING REQUIREMENT -In accordance with 15A NCAC 2Q .0309, any of the
following that would result in previously unpermitted, new, or increased emissions must be
reported to the Regional Supervisor, DAQ:
a. changes in the information submitted in the application regarding facility emissions;
b. changes that modify equipment or processes of existing permitted facilities; or
c. changes in the quantity or quality of materials processed.
If appropriate, modifications to the permit may then be made by the DAQ to reflect any
necessary changes in the permit conditions. In no case are any new or increased emissions
allowed that will cause a violation of the emission limitations specified herein.
6. In accordance with 15A NCAC 2Q .0309, this permit is subject to revocation or
modification by the DAQ upon a determination that information contained in the application

Permit No. 10694R00
Page 26
or presented in the support thereof is incorrect, conditions under which this permit was
granted have changed, or violations of conditions contained in this permit have occurred. In
accordance with G.S. 143-215.108(c)(1), the facility shall be properly operated and
maintained at all times in a manner that will effectuate an overall reduction in air pollution.
Unless otherwise specified by this permit, no emission source may be operated without the
concurrent operation of its associated air cleaning device(s) and appurtenances.
7. In accordance with G.S. 143-215.108(c)(1), this permit is nontransferable by the Permittee.
Future owners and operators must obtain a new air permit from the DAQ.
8. In accordance with G.S. 143-215.108(c)(1), this issuance of this permit in no way absolves
the Permittee of liability for any potential civil penalties which may be assessed for
violations of State law which have occurred prior to the effective date of this permit.
9. In accordance with G.S. 143-215.108(c)(1), this permit does not relieve the Permittee of the
responsibility of complying with all applicable requirements of any Federal, State, or Local
water quality or land quality control authority.
10. In accordance with 15A NCAC 2D .0605, reports on the operation and maintenance of the
facility shall be submitted by the Permittee to the Regional Supervisor, DAQ at such
intervals and in such form and.detail as may be required by the DAQ. Information required
in such reports may include, but is not limited to, process weight rates, firing rates, hours of
operation, and preventive maintenance schedules.
11. A violation of any term or condition of this permit shall subject the Permittee to enforcement
pursuant to G.S. 143-215.114A, 143-215.114B, and 143-215.114C, including assessment of
civil and/or criminal penalties.
12. Pursuant to North Carolina General Statute 143-215.3(a)(2), no person shall refuse entry or
access to any authorized representative of the DAQ who requests entry or access for
purposes of inspection, and who presents appropriate credentials, nor shall any person
obstruct, hamper, or interfere with any such representative while in the process of carrying
out his official duties. Refusal of entry or access may constitute grounds for permit
revocation and assessment of civil penalties.
13. In accordance with G.S. 143-215.108(c)(1), this permit does not relieve the Permittee of the
responsibility of complying with any applicable Federal, State, or Local requirements
governing the handling, disposal, or incineration of hazardous, solid, or medical wastes,
including the Resource Conservation and Recovery Act (RCRA) administered by the
Division of Waste Management.
14. PERMIT RETENTION REQUIREMENT - In accordance with 15A NCAC 2Q .0110, the
Permittee shall retain a current copy of the air permit at the site. The Permittee must make
available to personnel of the DAQ, upon request, the current copy of the air permit for the
site.
15. CLEAN AIR ACT SECTION 112(r) REQUIREMENTS - Pursuant to 15A NCAC 2D .2100
"Risk Management Program," if the Permittee is required to develop and register a risk
management plan pursuant to Section 112(r) of the Federal Clean Air Act, then the

Permit No. 10694R00
Page 27
Permittee is required to register this plan with the USEPA in accordance with 40 CFR Part
68.
16. PREVENTION OF ACCIDENTAL RELEASES - GENERAL DUTY - Pursuant to Title I
Part A Section 112(r)(1) of the Clean Air Act "Hazardous Air Pollutants - Prevention of
Accidental Releases - Purpose and General Duty," although a risk management plan may not
be required, if the Permittee produces, processes, handles, or stores any amount of a listed
hazardous substance, the Permittee has a general duty to take such steps as are necessary to
prevent the accidental release of such substance and to minimize the consequences of any
release. This condition is federally -enforceable only.
17. GENERAL EMISSIONS TESTING AND REPORTING REQUIREMENTS - If emissions
r
testing is required by this permit, or the DAQ, or if the Permittee submits emissions testing
to the DAQ in support of a permit application or to demonstrate compliance, the Permittee
shall perform such testing in accordance with 15A NCAC 2D .2600 and follow all DAQ
procedures including protocol approval, regional notification, report submittal, and test
results approval. Additionally, in accordance with 15A NCAC 2D .0605, the Permittee shall
follow the procedures for obtaining any required audit sample and reporting those results.
Permit issued this the 191' of October, 2021.
NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
T. Ray Ste r., P. CP
Regional Supe ' or
By Authority of the Environmental Management Commission
Air Permit No. 10694R00

ATTACHMENT to Permit No. 10694R00, October 19, 2021
Insignificant / Exempt Activities
Source
Exemption
Source of
Source of
Title V
Regulation
TAPS?
Pollutants?
IES-1 - Used Oil Storage Tank associated with Asphalt��
_
Plant (20,000-gallon capacity)
2Q .0102 (g)(4)
IES-2 - Used Oil Storage Tank associated with Asphalt
Plant (20,000-gallon capacity)
IES-3 - Liquid Asphalt Tank (30,000-gallon capacity)
2Q .0102 (g)(14)(B)
IES-4 - Liquid Asphalt Tank (30,000-gallon capacity)
IES-5 -.Diesel Fuel Storage Tank associated with Asphalt
Plant (20,000-gallon capacity)
Yes
Yes
IES-6 - Diesel Fuel Storage Tank associated with Asphalt
Plant (20,000-gallon capacity)
2Q .0102 (g)(4)
IES-13 - Diesel Fuel Storage Tank associated with Quarry
(20,000-gallon capacity)
IES-14 - Diesel Fuel Storage Tank associated with Quarry
(20,000-gallon capacity)
IES-15 - Propane Storage Tank (I00,000-gallon capacity)
1. Because an activity is exempted from being required to have a permit or permit modification
does not mean that the activity is exempted from an applicable requirement or that the owner
or operator of the source is exempted from demonstrating compliance with any applicable
requirement.
2. When applicable, emissions from stationary source activities identified above shall be
included in determining compliance with the permit requirements for toxic air pollutants
under 15A NCAC 2D .1100 "Control of Toxic Air Pollutants" or 2Q .0711 "Emission Rates
Requiring a Permit."
3. Sample permit conditions showing the regulatory requirements for exempt sources subject to
NESHAP, NSPS, and NCAC rules may be found here:
h=s://deq,nc.gov/agpermitconditions