AQ_F_1700015_20180103_PRMT_Permit

ROY COOPER
Governor
x
MICHAEL S.REGAN _
Secretary
t
Air Quality 77�T V A
3 ENVIRONMENTAL OVALITY MICHAEL A.ABRACZINSKAS
Director
i' .
January 3, 2018
Mr. Gregg Bowler
CFO
Carolina Sunrock LLC -Prospect Hill Facility
200 Horizon Drive, Suite 100
Raleigh, NC 27615
Subject: Air Permit No. 10529R01
Carolina Sunrock LLC - Prospect Hill Facility
Prospect Hill, Caswell County,North Carolina
Permit Class: Synthetic Minor
Facility ID# 1700015
Dear Mr. Bowler:
In accordance with your completed application received December 27,2017, we are
forwarding herewith Permit No. 10529R01 to Carolina Sunrock LLC -Prospect Hill Facility,
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. 15013-23,this air permit shall be final and
binding.
You may request modification of your air permit through informal means pursuant to G.S.
15013-22. 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. 15013-23.
State of North Carolina I Environmental Quality I Air Quality
Winston-Salem Regional Office 1 450 West Hanes Mill Road,Suite 300 1 Winston-Salem,NC 27105
336 776 9800 T 1 336 776 9797 F

Gregg Bowler
January 3, 2018
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 January 3, 2018 until August 31, 2025, is nontransferable
to future owners and operators, and shall be subject to the conditions and limitations as specified
therein.
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. The
following changes have been made to the permit stipulations:
• Permit Condition A.15,for the purpose of complying with 15A North Carolina
Administrative Code (NCAC) 2D .1100 "Control of Toxic Air Pollutants," has been
administratively amended per your request to remove references to UTM coordinates
and replace with state plane coordinates for better accuracy.
Should you have any questions concerning this matter, please contact Taylor Hartsfield at
336-776-9639.
Sincerely,
Lisa Edwards, P.E.,Regional Supervisor
Division of Air Quality, NC DEQ
MTH
Enclosures
c: Winston-Salem Regional Office

NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
DEPARTMENT OF ENVIRONMENTAL QUALITY
DIVISION OF AIR QUALITY
AIR PERMIT NO. 10529ROI
3
Issue Date: January 3, 2018 Effective Date: January 3, 2018
Expiration Date: August 31,2025 Replaces Permit: 10529R00
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 21 B of Chapter 143, General Statutes of North Carolina(NCGS) as amended, and other
applicable Laws, Rules and Regulations,
Carolina Sunrock LLC-Prospect Hill Facility
4266 Wrenn Road
Prospect Hill, Caswell County,North Carolina
Permit Class: Synthetic Minor
Facility ID# 1700015
(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 Description System ID Description
One drum mix, hot mix asphalt plant (250 tons per hour maximum rated capacity) consisting of:
ES-HMA1 Propane/natural gas/No. 2 fuel oil/recycled No. 2 fuel Bagfilter
(NSPS I) oil/recycled No. 4 fuel oil-fired drum dryer/mixer CD-1 (7,778 square feet
(80 million Btu per hour maximum heat input) of filter area)
ES-S1, Two (2)hot mix asphalt storage silos N/A N/A
ES-S2 (150 tons capacity, each)
ES-S3, ES-S4, Three(3)hot mix asphalt storage silos N/A N/A
ES-S5 (200 tons capacity, each)
ES-LO1, Two (2)truck loadout operations N/A N/A
ES-L02
atural gas/No. 2 fuel oil-fired liquid asphalt cement
ES-H1 heater (1.2 million Btu per hour maximum heat input) N/A N/A
t..._..._. _._.__._.____..._.............__......._.._._.w___......_._____..__ _ .._..._.__._.....:._.__..........._...._..___.____.____._._. .._...._... ___ ._
atural gas/No. 2 fuel oil-fired liquid asphalt cement
ES-H2 heater(1.1 million Btu per hour maximum heat input) N/A N/A
f

Permit No. 10529ROI
Page 2
Emission Emission Source Control Control System
Source ID Description System ID Description
_......_ �:. ._�. �..� .....___..�.___, _. _._...:_..�.._ ,_..._�_..._...� ..
1One truck mix, concrete batch plant(120 cubic yards per hour maximum rated capacity)
;consisting of:
...................................... _ _. ...:......_... ..._�
ES RM1 Cement storage silo (185 tons capacity)
............ .:....::: ..............._.. .......:. .:. ... ............................ .. .:..:....
. . BagfilterES RM2 �F ash storage silo 135 tons capacity).... ................. ..:. _ .:: CD-2 (1,433 square feet
ES RM3 Cement/fly ash weigh batcher(5 tons
...._capacity)
c odpn .........
of filter area
)
ES RM4Truklaoutoerato
..............-.._............. ... .......... ......._.. _ .... .... .... _ ...._,. .. ..... .. ........ ...... .:One RAP processing operation consisting of:
.. ._.... _ _..._ _:.... : .._T:.. _......
: ...........:......... ........ . . .......... ...:_ ....................._. _._:.:
ES CRSH RAP impact crusher
(NSPS 000) (65 tons per hour maximum rated capacity) N/A N/A
ES-CNV
RAP 36" inclined conveyor N/A N/A
(NSPS 000)
ES-SCN RAP 8'x 20'double deck screen N/A T N/A
(NSPS 000) �
in accordance with the completed application 1700015.18A received December 27, 2017 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 .0503, 2D .0506, 2D .0510, 2D .0515, 2D .0516, 2D .0521, 2D .0524 (40 CFR
60, Subparts I and 000), 2D .0535, 2D .0540, 2D .0605,2D .0611, 2D .1100, 2D .1806, 2Q
.0304, 2Q .0309, 2Q .0315, 2Q .0317 (PSD and 2Q .0700 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 (0. 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 AA application form) 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 2024 calendar year.

Permit No. 10529ROl
Page 3
3. PARTICULATE CONTROL REQUIREMENT- As required by 15A NCAC 2D .0503
a "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:
Source Emission Limit
(lbs/million Btu)
Natural gas/No. 2 fuel oil-fired liquid asphalt cement heater 0.6
(1.2 million Btu per hour maximum heat input) (ES-H1)
Natural gas/No. 2 fuel oil-fired liquid asphalt cement heater 0.6
(1.1 million Btu per hour maximum heat input) (ES-H2)
4. 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) 0.4376 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.
5. PARTICULATE CONTROL REQUIREMENT- As required by 15A NCAC 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 PMio and total
suspended particulates.

Permit No. 10529R0I
Page 4
i -
1
b. Fugitive dust emissions from sandy 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
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.
6. PARTICULATE CONTROL REQUIREMENT -As required by 15A NCAC 2D .0515
"Particulates from Miscellaneous Industrial Processes,"particulate matter emissions from
the emission sources shall not exceed the 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 (lbs/hr).
E=4.10 * (P) 0•61 for P <= 30 tons/hr, or
E= 55 * (P) °11- 40 for P>30 tons/hr
7. 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.
8. 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 15A NCAC 2D .0524 "New Source
Performance Standards" or .1110 "National Emission Standards for Hazardous Air
Pollutants" must comply with applicable visible emissions requirements contained therein.
9. 15A NCAC 2D .0524 "NEW SOURCE PERFORMANCE STANDARDS" - For the
propane/natural gas/No. 2 fuel oil/recycled No. 2 fuel oil/recycled No. 4 fuel oil-fired drum
dryer/mixer(80 million Btu per hour maximum heat input) (ID No. ES-HMA1),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 1,including Subpart A "General
Provisions."

Permit No. 10529R0l
Page 5
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:
a
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/dscf); or
ii. Exhibit 20 percent opacity, or greater.
c. NSPS Performance Testing-As required by 15A NCAC 2D .0524,the following
performance tests shall be conducted:
i. The Permittee shall conduct the testing required at Permit Condition A.13.
10. 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 RAP impact crusher(65 tons per hour
maximum rated capacity) (ID No. ES-CRSH), RAP 36" inclined conveyor(ID No. ES-
CNV), and RAP 8' x 20' double deck screen(ID No. ES-SCN),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 000, 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 actual date of initial start-up of an affected facility,postmarked within 15
days after such date;
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):

Permit No. 10529RO1
Page 6
Affected Facility [Pollutant
Emission
Limit
Crushers Visible 15% opacity
Emissions
Fugitive emissions from conveyor belts, Visible 10% opacity
[screening operations, an...................................................­_....__­__­.­­..........­­............d other aff................................ected facilities' Emissions'
.........................................
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):
Affected Facility Pollutant Emission
Limit
Crushers Visible12% opacity
Emissions
Fugitiveemissions from conveyor belts, Visible 7%.........................................................................................................­­­................................................................__..............................................................I-.................... ............opac------ity
screening operations, and other affected facilities Emissions
..............
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 Permittee 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
60.675],the following recordkeeping requirements shall be conducted:
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:

Permit No. 10529R01
Page 7
i. The Permittee shall conduct the testing required at Permit Condition A.13. _
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
I 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.
11. 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:
i. 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.
This reporting requirement does not allow the operation of the facility in excess of
Environmental Management Commission Regulations.
12. 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).

1
1
i Permit No. 10529ROI
Page 8
3
13. 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 Parameter Test Method.
Fropane/natural gas/No. 2 fuel Filterable As per 15A Particulate Matter. Method 5
oil/recycled No. 2 fuel oil/recycled _ r. NCAC 2D .0506
No. 4 fuel oil-fired drum dryer/mixer Condensable and 2D .0524 Method 202
(80 million Btu per hour maximum Particulate Matter
heat input) (ES-HMA1) 20%Opacity
Crushers
Fugitive emissions from conveyor : Visible Emissions As per 15A Method 9
belts, screening operations, and other; NCAC 2D .0524
affected facilities
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 15
days notice (or 7 days notice, if only Method 9 is involved)of any required
performance test(s).
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
submit two copies of a written report of the test(s)to the Regional Supervisor, DAQ.
f. 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.
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.

Permit No. 10529R01
Page 9
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.
j. When determining compliance with the visible emissions limit from fugitive
emissions from crushers, conveyor belts, screening operations, and other 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.
k. 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.
i. 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.
14. FABRIC FILTER REQUIREMENTS including cartridge filters, baghouses, 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 bagfilter 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.
15. 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
following permit limits shall not be exceeded:

Permit No. 10529R01
Page 10
Affected Source(s) Toxic Air Pollutant Emission Limit
Arsenic & Compounds (total mass of
elemental AS, arsine and all inorganic 4.91 lbs/yr
Propane/natural gas/No. 2 fuel compounds) (ASC (7778394))
Y Y Benzene (71-43-2) 3,470 lbs/yr
oil/recycled cled No. 2 fuel oil/recycled cled __.
No. 4 fuel oil-fired drum dryer/mixer Formaldehyde (50-00-0) 3.191bs/hr
(80 million Btu per hour maximum
heat input) (ES-HMAl) controlled r(7
rcury, vapor(Component of HGC)' 0.06241bs/24-hrs
Iby bagfilter(CD-1) 39-97-6)
Nickel metal (Component of NIC)(7440-02-0) 1.51 lbs/24-hrs
Arsenic & Compounds (total mass of
elemental AS, arsine and all inorganic 0.168 lbs/yr
compounds) (ASC (7778394))
Natural gas/No. 2 fuel oil-fired Benzene (71 43-2) 0 0861 lbs/yr
liquid asphalt cement heater(1.2 _ _ . : .._ . m :_ _.........
million Btu per hour maximum heat Formaldehyde (50-00-0) 0 00113 lbs/hr
--[0.
,input) (ES-HI) Mercury, vapor(Component of HGC) 0003461bs/24-hrs
( ](7439-97-6)
...... ......... .
Nickel metal (Component of NIC)
(7440-02-0) 0 0003461bs/24-hrs
i
_. ...:.. .:.::_:.:_. .....m: m........_ _ .-�...........__...................... m.m .m
Arsenic & Compounds (total mass of
(Natural gas/No. 2 fuel oil-fired elemental AS, arsine and all inorganic 0.154 lbs/yr
liquid asphalt cement heater(1.1 compounds) (ASC (7778394))
million Btu per hour maximum heat
input) (ES-1-12) (Benzene (71-43-2) 0.0789 lbs/yr
Formaldehyde (56-00-0) 6.00104 lbs/hr
Natural gas/No. 2 fuel oil-fired Mercury, vapor(Component of HGC) 0.000317 lbs/24-hrs
liquid asphalt cement heater(1.1 (7439-97-6)
million Btu per hour maximum heat Nickel metal (Component of NIC)
input) (ES (7 c 0-02-0) 0.0003171bs/24-hrs
Five (5)hot mix asphalt storage silos)Benzene (71-43-2) 5.12 lbs/yr, each
(ES-S 1 through ES-S5) [Formaldehyde (50-00-0) 0.0210 lbs/hr, each
Two (2)truck loadout operations Benzene (71-43-2) 2.84 lbs/yr, each
...::.
(ES-LO1 and ES-LO2) Formaldehyde (50-00 0) ; 0.000732 lbs/hr, each
......... _............. T m .....I-—I ___.m_.:. ___:... _:: :. T. ......: ......:........ ..mm............�..............:._.
Arsenic& Compounds (total mass of
One truck mix, concrete batch plant Ielemental AS, arsine and all inorganic 2.31 lbs/yr
(ES-RM1 through ES-RM4) compounds) (ASC (7778394))
controlled by bagfilter(CD-2) Nickel metal (Component of NIC)
(7440-02-0) 0.01851bs/24-hrs

Permit No. 10529R0l
Page 11
j a. Restrictions-To ensure compliance with the above limits, the following restrictions
? shall apply:
i. Hot mix asphalt production shall not exceed 1,488,581 tons per calendar
year.
ii. The height of the bagfilter(ID No. CD-1) stack shall not be less than 30 feet
and shall be located using the State Plane Coordinate System of 1983
(SPCS83), at North Carolina(NC) Zone 3200 1949534.2294 US Survey Feet
Easting(RUSE), 911524.2842 US Survey Feet Northing(ftUSN).
iii. The height of the bagfilter(ID No. CD-2) stack shall not be less than 35 feet
and shall be located at SPCS83 NC Zone 3200 1949688.0981 RUSE,
911577.4571 ftUSN.
iv. The height of the natural gas/No. 2 fuel oil-fired liquid asphalt cement heater
(ID No. ES-H 1) stack shall not be less than 9 feet and shall be located at
SPCS83 NC Zone 3200 1949519.9903 RUSE, 911470.5899 ftUSN.
V. The height of the natural gas/No. 2 fuel oil-fired liquid asphalt cement heater
(ID No. ES-1­12) stack shall not be less than 15 feet and shall be located at
SPCS83 NC Zone 3200 1949581.5974 RUSE, 911489.8935 ftUSN.
vi. The heights of the two (2)hot mix asphalt storage silo (ID No. ES-S 1 and
ES-S2)release points shall not be less than 65 feet. The heights of the three
(3) hot mix asphalt storage silo (ID No. ES-S3, ES-S4 and ES-S5) release
points shall not be less than 60 feet.
vii. The heights of the two (2)truck loadout operation (ID No. ES-LO1 and ES-
L02) release points shall not be less than 12 feet.
viii. If any actual (as-built)values (coordinates)differ from those submitted by the
Permittee that was used in the modeling analysis submitted as a part of permit
application No. 1700015.17A, the Permittee shall notify the DAQ and
provide the new values. The DAQ will re-evaluate the validity of the original
modeling analysis and notify the Permittee in writing whether additional
modeling is required. The Permittee shall not operate the affected sources
until written approval from the DAQ is received.
b. Reporting Requirements - For compliance purposes, within 30 days after each
calendar year, regardless of the actual emissions,the following shall be reported to
the Regional Supervisor, DAQ:
i. The total amount [tons] of hot mix asphalt produced for the previous calendar
year.

i
Permit No. 10529RO l
Page 12
c. Recordkeeping Requirements - The following recordkeeping requirements apply:
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i. The Permittee shall record in a log book (in written or electronic format)the
monthly quantity [tons] of hot mix asphalt produced.
' ii. The log book shall be made available to DAQ personnel upon request.
iii. All records shall be kept on site for a minimum of three years.
16. 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
a
causing or contributing to objectionable odors beyond the facility's boundary.
17. ZONING SPECIFIC CONDITION- In accordance with 15A NCAC 2Q .0304,prior to
construction or operation of the facility under this permit,the Permittee shall comply with
all lawfully adopted local ordinances that apply to the facility at the time of construction or
operation of the facility. The local zoning authority shall have the responsibility of enforcing
all lawfully adopted local zoning or subdivision ordinances.
18. PERMIT REOPENING - In accordance with N.C.G.S. 143-215.108(c), upon the Director
becoming aware of any credible air emissions data not previously considered by the DAQ
during the application review process,the Director may require the Permittee to submit
additional information including,but not limited to, emissions estimates and air dispersion
modeling. Based on this information, the Director may modify and reissue the permit with
additional emission controls and/or additional operational restrictions necessary to
demonstrate compliance with any applicable regulation.
19. 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
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 1,488,581 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.

Permit No. 10529R0I
Page 13
b. Recordkeeping Requirements
i. The Permittee shall record monthly and total annually the following:
A. The amount [tons] of asphalt produced.
i
ii. Fuel supplier certification shall be kept on-site and made available to DAQ
personnel upon request.
c. Reporting Requirements - Within 30 days after each calendar year,regardless of the
actual emissions, the Permittee shall submit the following:
i. Emissions and/or operational data listed below. The data should include
monthly and 12 month totals for the previous 12-month period.
3
A. The amount [tons] of asphalt produced.
B: The facility-wide SOz and CO emissions [tons].
ii. A summary of the fuel certification records for the previous 12 months.
20. 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 Source(s) Pollutant Emission Limit
(Tons Per Consecutive 12-month Period)
Facility Wide F SOz 250
21. 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:

j
Permit No. 10529R01
Page 14
Conshtuent/PropertyAllowable Level
(Arsenic �1.0 ppm maximum
Cadmium 2.0 ppm maximum
Chromium [5.0 ppm maximum
[L-eadj 100 ppm maximum
_........ _:._m.. �...
Total Halogens 1000 ppm maximum
Flash Point
No. 2 100°F minimum
No. 4 130°F minimum
Sulfur __ _ _ _
No. 2 0.5%maximum(by weight)
No. 4 2.0%maximum(by weight))
Ash 1.0%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:
i. 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.

Permit No. 10529RO l
Page 15
22.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:
.......... ..........__ ... __ .. ...
Carcinogens [(olb
hronic Acute Systemic Acute
Pollutant (lb/yr) xicants Toxicants Irritants
i /day) (lb/hr) (lb/hr)
-----------
Benzo(a)pyrene (Component of
83329/POMTV& 56553/7PAH) (50-32-8) 2.2
Beryllium Metal(unreacted)(Component of
BEC) (7440-41-7) 0.28
._. __.. .. .............. . ....
F- ,
CFC-11 (Trichlorofluoromethane)(75-69-4) 1 140
Cadmium Metal, elemental, unreacted
(Component of CDC) (7440-43-9) 0.37 I
Carbon disulfid.e 75715-0 3 9
Chromium(VI) Soluble Chromate 0.013
Compounds (Component of CRC) (So1CR6)
Fluorides (sum of all fluoride compounds as
0.34 0.064
mass of F ion)(16984-48-8)
Hexane, n- (110-54-3) .. 3.. ...
1 ydrogen sulfide (7783-06-4) ; F 1.7
MEK (methyl ethyl ketone, 2-butanone)
78 22
(78-93 .3) 4
.:
Manganese &compounds(MNC) 6.63
Meth 1 chloroform 71-55-6 250 64
Methylene chloride(75-09-2) I 160.0 F_____F_0.39_.mm......
.___

Permit No. 10529ROl
Page 16
Carcinogens! Chronic Acute Systemic Acute
Pollutant (lb/yr) . Toxicants Toxicants Irritants
(lb/day) (lb/hr) (lb/hr)
Perchloroethylene (tetrachloroethylene) 13000
(127-18-4) ..: _. .... ....::.T............ ..........111-1- ........................-........... ....................... ...... ..........
Phenol . ._...._.
(108-95-2) 0.24
_........ ..,, _....
_..__.. _ W._._........ w.__...:
Styrene (100 42-5) --- - 2.7_ ( ... _._.
I
Toluene (108-88-3) ��_ I 98 -F-F 14.4
Xylene (mixed isomers) (1330...... F i 57 F =16.4
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 or 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
Permit No. 10529R01
Page 17
a. changes in the information submitted in the application regarding facility emissions;
b. changes that modify equipment or processes of existing permitted facilities; or
a
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
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 affect 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, 143-215.11413, 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.

Permit No. 10529R0l
Page 18
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
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
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.
Permit issued this the 3rd of January, 2018.
NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
Lisa Edwards, P.E.
Regional Supervisor
By Authority of the Environmental Management Commission
Air Permit No. 10529R0I

ATTACHMENT to Permit No. 10529RO1, January 3, 2018
Insignificant/Exempt Activities
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Exemption Source of,
Source of
Source ID Source Description Title V
Regulation TAPS. pollutants?
I
Above ground storage tank containing fuel
IES-1 oil (20,000 gallons capacity) 2Q .0102 (g)(4) Yes Yes
IES-2, Two (2) above ground storage tanks
containing liquid asphalt cement 2Q .0102(g)(14)(B) Yes Yes
IES-3 (30,000 gallons capacity, each)
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: http://www.ncair.org//permits/insig/
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