Air Permit

ROY COOPER
Governor
MICHAEL S. REGAN
Secretary
MICHAEL A. ABRACZINSKAS
Director
Chad Threatt
Vice President
Alamance Aggregates, LLC
P.O. Box 552
Snow Camp, NC 27349
NORTH CAROLINA
Environmental Quality
April 15, 2019
Subject: Air Permit No. 10612R00
Alamance Aggregates, LLC
Snow Camp, Alamance County, North Carolina
Permit Class: Small
Facility 1D# 0100308
Dear Mr. Threatt:
In accordance with your completed application received January 24, 2019, we are forwarding
herewith Permit No. 10612R00 to Alamance Aggregates, LLC, Snow Camp, Alamance County, North
Carolina for the construction and operation of air emissions sources or air cleaning devices and
appurtenances. 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. 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.
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.
North Carolina Department of Environmental Quality I Division of Air Quafity
Winston-Salem Regiona# Office 1 450 West Hanes Mill Road, Suite 300 J Winston-Salem, NC 27105
aepvmerttcreneo��ersteiwaary 336.776.9800 T G 336.776.9797 F

Chad Threatt
April 15, 2019
Page 2
This permit shall be effective from April 15, 2019 until March 31, 2027, is nontransferable to
future owners and operators, and shall be subject to the conditions and limitations as specified therein.
For PSD increment tracking purposes, Mo emissions associated with this Greenfield facility
are increased by 2.93 pounds per hour.
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 Leo L. Governale, P.E. at
336-776-963 8.
Sincerely,
Lisa Edwards, P.E., Regional Supervisor
Division of Air Quality, NC DEQ
LLG
Enclosure
c: Winston-Salem Regional Office
Connie Horne, Cover letter only

NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
DEPARTMENT OF ENVIRONMENTAL QUALITY
Issue Date: April 15, 2019
Expiration Date: March 31, 2027
DIVISION OF AIR QUALITY
AIR PERMIT NO. 10612R00
Effective Date: April 15, 2019
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,
Alarnance Aggregates, LLC
342 Clark Road
Snow Camp, Alamance County, North Carolina
Permit Class: Small
Facility ID# 0100308
(the Permittee) is hereby authorized to construct and operate the air emissions sources and/or air
cleaning devices ari aprniirtenances described below:
Emission E Emission Source Control I Control System
Source ID Description System ID Description
--------------
,Non-metallic Mineral Processing Plant, utilizing water suppression with no other control devices, including: I
ES Crush Crushing operations NIA N/A
(NSPS 000) ..... —_
ES -Screen (NSPS-000) Screening operations NIA N/A
................. .
ES -Convey I Conveying operations N/A N/A
(NSPS-000)
in accordance with the completed application 0100308.19A received January 24, 2019 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.

Permit No. 10612R00
Page 2
This permit is subject to the following specified conditions and limitations including any
TESTING, REPORTING, OR MONITORING REQUIREMENTS:
A. SPECIFIC CONDITIONS AND LIMITATIONS
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 .0510, 2D .0521, 2D .0524 (40 CFR 60, Subpart 000), 2D .0535, 2D .0540,
2D .0605 and 2D .1806.
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 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 2025 calendar year.
3. PAR1CuL.ATE CONTROLREQUIREMENT -As required by 15A NCAC 2D .OSiO
"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.
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
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.

Permit No. 10612R00
Page 3
4. 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 .I 110 "National Emission
Standards for Hazardous Air Pollutants" shall meet that standard instead of the 2D .0521
visible emissions standard.
5. 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 the emission sources, 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:
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:
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 1, Pollutant Emission
Limit
Crushers
Fugitive emissions from conveyor belts,
ening operations and other affected facilities
Visible
Emissions
12% opacity
7% opacity
c. NSPS Monitoring Requirements -As required by 15A NCAC 2D .0524 [40 CFR
60.674], the following monitoring shall be conducted:
For any affected facility that commenced construction, modification, or
reconstruction on or after April 22, 2008 that uses wet suppression to control
emissions (Like -Far -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.

Permit No. 10612R00
Page 4
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
60.6751, the following recordkeeping requirements shall be conducted:
Each inspection of the water spray nozzles, including the date of each
inspection and any corrective actions taken, shall be recorded in a Iogbook (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 1 Method
Crushers' Method 9
Visible
Fugitive emissions from conveyor belts, ;Emissions ;Method 9
screening operations and other affected facilities
i. All performance tests shall be conducted in accordance with EPA Reference
Methods, contained in 40 CFR 60, Appendix A;
ii. 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 maximurn 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; and

Permit No. 10612R00
Page 5
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 tests) that involve only
Method 9. All other tests require a 30 day notice.
viii. 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.
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.
6. 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.
7. 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

Permit No. 10612R00
Page 6
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).
S. QUARRY EQUIPMENT REPORTING -As required by 15A NCAC 2D .0605, the
Permittee shall maintain on -site an equipment list and a plant (or flow) diagram of all
equipment covered under this permit.
a. The equipment list shall include the following information for each piece of
equipment:
i. A description of equipment including applicability of New Source
Performance Standards, and:
ii. Width of belt conveyors,
iii. Dimensions and configuration (e.g., triple deck) of screens, and
iv. Rated capacity (tons or tons/hr) of all nonmetallic mineral processing
equipment.
V. A unique ID number.
vi. The date the equipment was manufactured.
vii. The dates any required performance testing was conducted and submitted to
the Regional Supervisor, DAQ.
b. The equipment list and plant (or flow) diagram shall bear the date when the current
list and diagrams were revised.
c. The Permittee shall provide documentation to the Regional Supervisor, DAQ, for
any required performance testing within seven days of a written request.
d. Notwithstanding General Conditions and Limitations titled "Equipment Relocation"
and "Reporting Requirement," the Permittee may install new and relocate existing
nonmetallic mineral processing equipment. 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. This notification shall be submitted at least 15 days
before the equipment is installed or relocated at the facility unless otherwise
approved by the Director. Nonmetallic mineral processing equipment includes all
crushers, screens, conveyors and loadout bins.

Permit No. 10612R00
Page 7
9. 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.
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 RE UESTS 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, anew 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.
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.

Permit No. 10612R00
Page 8
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 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.
1 V. Ill alnilniordan vYith 15ANCAC 2D .V6V5, reports on the operation and mallltellalllie 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.

Permit No. 10612R00
Page 9
15. CLEAN AIR ACT SECTION 112(r)RQUIREMENTS - 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
fed crally-enforcea b le 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.
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 15�' of April, 2019.
NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
Lisa Edwards, P.E.
Regional Supervisor
By Authority of the Environmental Management Commission
Air Permit No. 10612R00