AQ_F_1400196_20140124_PRMT_Permit

NDER
North Carolina Department of Environment and Natural Resources
Division of Air Quality
Pat McCrory Sheila C. Holman . John E. Skvarla, III
Governor Director Secretary
January 24, 2014
Mr. James Kerr
Vice President
Kerr's Hickory Ready-Mixed Concrete Co., Inc.
Post Office Box 1924
Hickory,NC 28603
Subject: Air Permit No. 08812R04
Kerr's Hickory Ready-Mixed Concrete Co., Inc.
Lenoir, Caldwell County,North Carolina
Permit Class: Small
Facility ID# 1400196
Dear Mr. Kerr:
In accordance with your completed application received December 6, 2013,we are
forwarding herewith Permit No. 08812R04 to Kerr's Hickory Ready-Mixed Concrete Co., Inc.,
Lenoir, Caldwell 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.
Asheville Regional Office-Division of Air Quality
2090 US.Highway 70,Swannanoa,North Carolina 28778
Phone:[phone]/FAX:[phone]
Internet:www.ncair m
An Equal Opportunity 1 Affirmative Action Employer-Made in part by Recycled Paper

Mr. James Kerr
January 24, 2014
Page 2
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.
This permit shall be effective from January 24, 2014 until December 31, 2021, 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. Specific changes and additions are summarized
below (note: this list may not include all changes and additions):
• This Permit contains an emissions inventory requirement for the 2020 calendar year as
part of the next renewal in 2021; and
• Permits are now issued for eight years.
Should you have any questions concerning this matter,please contact Christopher Scott at(828)
296-4500.
Sincerely,
Paul K. Muller, P.E.
Regional Air Quality Supervisor
PKM:ces
Enclosures
c: Asheville Regional Office

NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
DIVISION OF AIR QUALITY
AIR PERMIT NO. 08812R04
Issue Date: January 24, 2014 Effective Date: January 24,2014
Expiration Date: December 31, 2021 Replaces Permit: 08812R03
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,
Kerr's Hickory Ready-Mixed Concrete Co.,Inc.
1190 Bradford Mountain Road
Lenoir, Caldwell County,North Carolina
Permit Class: Small
Facility ID# 1400196
(the Permittee) is hereby authorized to construct and operate the air emissions sources and/or air
cleaning devices and appurtenances described below:
Emission j Emission Source f Control j Control System
Source ID.._.i...__.._._...._.. ...... Description...................._...._... .... ._System ID .. ............... .... Description.._.._._....
one truck mix concrete batch plant(maximum concrete process rate of 125 cubic yards
per hour) consisting of the following:
ES1 j one split cement/flyash storage silo CD-1 r(225
e bagfilter
j (100 ton capacity cement side) square feet of filter area
ES2 one split cement/flyash storage silo CD-2 jjone bagfilter
r(50 ton capacity flyash side) (225 square feet of filter area)
ES3 one cement/flyash weigh hopper CD-3 one bagfilter
_.... .......... (5 ton capacity) ; - _ (16 square feet of filter area)
ES4 one concrete truck load out N/A N/A
operation
in accordance with the completed application 1400196.13A received December 6, 2013 including
any plans, specifications,previous applications, and other supporting data, all of which are filed
with the Department of Environment and Natural Resources,Division of Air Quality(DAQ) and are
incorporated as part of this permit.

Permit No. 08812R04
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
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 .0515, 2D .0521, 2D .0535, 2D .0540 and 2D .0611.
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 2020 calendar year.
3. PARTICULATE CONTROL REQUIREMENT - As required by 15A NCAC 2D .0515
"Particulates from Miscellaneous Industrial Processes," particulate matter emissions from
the split cement/flyash storage silo (ID Nos. ES 1 and ES2) and the weigh hopper (ID No.
ES3) 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(lbs/hr).
E=4.10 * (P).'-" for P <=30 tons/hr, or
E= 55 * (P) 011- 40 for P>30 tons/hr
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 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.
5. 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:

Permit No. 08812R04
Page 3
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.
6. 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 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).
7. FABRIC FILTER REQUIREMENTS includingcartridge artridge 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.

Permit No. 08812R04
Page 4
B. GENERAL CONDITIONS AND LIMITATIONS
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 Air Quality Supervisor
North Carolina Division of Air Quality
Asheville Regional Office
2090 U.S. Highway 70
Swannanoa,NC 28778
828-296-4500
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 - 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 - 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 - 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. 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. The facility shall be properly operated and
maintained at all times in a manner that will effect an overall reduction in air pollution.

Permit No. 08812R04
Page 5
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. This permit is nontransferable by the Permittee. Future owners and operators must obtain a
new air permit from the DAQ.
8. 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. 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. 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.
13. The Permittee must comply 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 - 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 213 .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

Permit No. 08812R04
Page 6
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 241h of January, 2014.
NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
Paul K. Muller, P.E.
Regional Air Quality Supervisor
By Authority of the Environmental Management Commission
Air Permit No. 08812R04

ATTACHMENT to Permit No. 08812R04, January 24, 2014
Insignificant/Exempt Activities
Exemption Source of Source of
Source Regulation TAPs? Title V
Re
g Pollutants?
I-1 - Sand and aggregate delivery to ground 2Q .0102
storage, and weigh hopper (c)(2)(E)(i) E
I-2 - one sand and aggregate weight hopper 2Q .0102 - No Yes
(c)(2)(E)(P
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."