AQ_F_1300038_20201022_CMPL_InspRpt

NORTH CAROLINA DIVISION OF Mooresville Regional Office
AIR QUALITY Martin Marietta Materials,Inc. -Rocky River
Quarry
Inspection Report NC Facility ID 1300038
Date: 10/22/2020 County/FIPS:Cabarrus/025
Facility Data Permit Data
Martin Marietta Materials,Inc. -Rocky River Quarry Permit 05615/R13
430 Running Brook Road Issued 7/13/2018
Midland,NC 28107 Expires 6/30/2026
Lat: 35d 16.9630m Long: 80d 34.1730m Class/Status Small
SIC: 1423/Crushed And Broken Granite Permit Status Active
NAICS: 212313/Crushed and Broken Granite Mining and Quarrying Current Permit Application(s)None
Contact Data Program Applicability
Facility Contact Authorized Contact Technical Contact SIP
Jay Nivens Ronald Kopplin Jay Nivens NSPS: Subpart 000
Manager Environmental President-East Div Manager Environmental
Engineering [phone] Engineering
[phone] [phone]
Compliance Data
Comments:
Inspection Date 10/22/2020
Inspector's Signature: Detma C'c►ok JEF Inspector's Name Donna Cook
Operating Status Operating
Compliance Code Compliance-inspection
Action Code FCE
Date of Signature: IC12212020 On-Site Inspection Result Compliance
Total Actual emissions in TONSIYEAR:
TSP S02 NOX VOC CO PM10 *HAP
2017 --- --- --- ---
2012 --- --- --- ---
*Highest HAP Emitted(in pounds)
Five Year Violation History:None
Date Letter Type Rule Violated Violation Resolution Date
Performed Stack Tests since last FCE:None
Date Test Results Test Method(s) Source(s)Tested

Martin Marietta Materials,Inc.—Rocky River Quarry
October 22,2020
Page 2
Type Action: X Full Compliance _Partial Compliance _Complaint Other:
Evaluation Evaluation/Reinspection Investigation
Data Tracking: X Date submitted for initial review 10/22/2020 _IBEAM WARNING/OB,NOD,NOV,NRE
X IBEAM Document
X IBEAM Inspection,list date inspected X IBEAM LAT/LONG,Facility Locked
X IBEAM Inspection,list date draft is submitted X IBEAM LAT/LONG,Coordinates checked
X IBEAM Inspection,pollutants/programs checked _IBEAM Complaint
X IBEAM Planning,Next Inspection Date 10/01/2022
Directions: From Mooresville Regional Office to Midland, travel Highway 3 South; turn right onto
Odell School Road; turn right at the stop light onto Poplar Tent Road due to the no left turn; make a U
turn at the next stop light heading east on Poplar Tent Road; turn right on Highway 601/29 (referred to as
the Concord Parkway); turn left on Highway 601 Bypass (Warren C. Coleman Boulevard); at the first
stop light past Mary Frances Wall Center School turn right onto Flowes Store Road; and approximately 6
'/z miles turn left onto Running Brook Road (see entrance sign to Martin Marietta). Martin Marietta
Materials, Inc.,Rocky River Quarry, is located 0.2 miles on the right at the address of 430 Running Brook
Road.
Safety Equipment: This company requires that the inspector watch a video on safety procedures at
Martin Marietta Materials,Inc.before the air quality inspection can be conducted. This company requires
a hard hat, safety vest, steel-toed shoes,ear protection and safety glasses be worn by the inspector at the
quarry.
Safety Issues: Inspector should be cautious of conveying and crushing equipment,heavy equipment and
truck traffic.
Lat/Long Coordinates: A review of the "Facilities Regulated by Air Quality" on the DAQ web site
indicates the facility's location is accurate and matches the facility's latitude and longitude coordinates
listed in IBEAM. No changes to the latitude and longitude coordinates of this facility are needed in
IBEAM. The latitude and longitude coordinates of this facility are locked in IBEAM.
Email Contacts: The email addresses for the facility, authorized and technical contacts were verified by
Mr.Jay Nivens,manager environmental engineering, during a telephone conversation. No changes to the
email contacts are needed in IBEAM.
COVID-19 Information:
Mr.Jay Nivens,manager environmental engineering at(704)409-1475, and I discussed the COVID-19
restrictions at this facility prior to this inspection. Mr.Nivens stated that Martin Marietta Materials,Inc.
is allowing the inspector on-site access to the outside quarry site if a face covering(masks)is worn and
the physical distancing of six feet(social distancing) is maintained from other plant personnel. Mr.
Nivens stated that there is no one at the Rocky River quarry since this facility is not in operation due to
the lack of demand for the granite rock materials.

Martin Marietta Materials,Inc.—Rocky River Quarry
October 22,2020
Page 3
General Information:
1. The purpose of this site visit was to conduct a routine air quality inspection. An air quality permit
was issued to this company for the construction and operation of stationary and portable crushing,
screening and conveying equipment at the Rocky River quarry site. I phoned Mr. Jay Nivens,
manager environmental engineering at(704)409-1475 to discuss the operational status of this
facility. Mr.Nivens stated that there is no equipment currently at the quarry site and selling of stock
piled granite rock materials to various customers ceased at this quarry site in 2011 due to the lack of
demand for this product. Mr.Nivens stated that Martin Marietta Materials, Inc. has no plans at this
time to reopen this quarry site.
2. Facility Contact Information:
During the inspection, I verified the facility contact information in IBEAM with Mr. Nivens
during a telephone conversation. No changes to the facility contacts are needed in IBEAM.
3. Compliance history file review:
No problems have been noted in the last five years by DAQ prior to this inspection. The current
compliance status is discussed in the following sections.
4. Observations of permitted air emission sources and control devices:
On July 13, 2018, this office issued Air Permit No. 05615R13 to this company for the
construction and operation of the crushing, screening and conveying equipment at this facility.
Emission Emission Source Control Control System
Source ID I Description System ID Description
Non-metallic mineral processing plant utilizing water suppression with no other control
devices,including:
ES-Crush(NSPS) Icrushing operations I N/A I N/A
ES-Screen(NSPS) Iscreening operations I N/A I N/A
ES-Convey(NSPS) 1conveying operations I N/A F N/A
Observed. Per a telephone conversation with Mr.Nivens,there is no stationary or portable
crushing, screening or conveying equipment at this quarry site. During the inspection,I observed
that the gate to this quarry site was locked and no one was present.
5. Observations of insignificant air emission sources and control devices listed on the current permit:
a. None.
6. Observations of air emission sources and control devices not listed on the current permit:
a. None.

Martin Marietta Materials,Inc.—Rocky River Quarry
October 22,2020
Page 4
7. Compliance with specific permit conditions and limitations:
This company has no stationary or portable crushing screening or conveying equipment at this
quarry site. The stock-piled granite rock materials are located at this quarry site and could be sold
to various customers. However,this facility is not operating due to the lack of demand for granite
rock materials. Compliance with the specific permit conditions and limitations will be determined
once the facility is operational.
8. NSPS/NESHAP Review:
EPA has not developed any NESHAP requirements for nonmetallic mineral processing plants.
This facility is subject to 40 CFR Part 60, NSPS, Subpart 000 for stationary and portable
crushing, conveying and screening nonmetallic mineral processing plants. Currently, this
company has no stationary or portable crushing, screening or conveying equipment at this quarry
site. This facility has stock-piled granite rock materials on-site that could be sold to various
customers. However, this facility is currently closed due to the lack of demand for the granite
rock materials.
This company has no boilers, emergency generators, peak shaving generators, fire pump engines
or gasoline storage tanks at this facility.
9. Summary of changes needed to the current permit:
None.
10. Compliance assistance offered duringthe h�pection:
None.
11. Section 112(r)applicability:
This facility does not appear to be subject to the requirements of the Chemical Accident Release
Prevention Program, Section 112(r)of the Clean Air Act.
12. Compliance determination:
The quarry site is temporarily inactive as indicated by Mr. Nivens during a telephone
conversation. No stationary or portable crushing, screening and conveying equipment is located
at this quarry site. The compliance status of this facility will be determined when the air emission
sources are operational at this quarry site. However, various portable crushing, screening and
conveying equipment has operated in past years at this quarry site and was in compliance with the
applicable air quality regulations at the time of the previous inspections.
DLC:Ihe
c: MRO File
https://ncconnect.sharepoint.com/sites/DAQ-MRO/Counties/CABARRUS/00038/INSPECT 20201022.docx