air_quality_inspection_report_Wake_Stone

NORTH CAROLINA DIVISION OF
AIR QUALITY
Inspection Report
Date: 01/23/2019
Facility Data
Wake Stone Corporation - Triangle Quarry
222 Star Lane
Cary, NC 27513
Lat: 35d 50.2020m Long: 78d 46.1540m
SIC: 1423 / Crushed And Broken Granite
NAICS: 212313 / Crushed and Broken Granite Mining and Quarrying
Facility Contact
Hunter Bratton
Superintendent
[phone]
Contact Data
Authorized Contact
Theodore Bratton
Chief Executive Officer
[phone]
Comments: Appeared in Compliance
Inspector's Signature: %% o —/
Date of Signature: 1/23/2019
11 Total Actual emissions in TONS/YEAR:
Technical Contact
David Lee
Geologist/Environmental
Supervisor
[phone]
514
Raleigh Regional Office
Wake Stone Corporation - Triangle Quarry
NC Facility ID 9200409
County/FIPS: Wake/183
Permit Data
Permit 04386 / R15
Issued 8/30/2013
Expires 7/31/2021
Class/Status Small
Permit Status Active
Current Permit Application(s) None
Program Applicability
SIP
MACT Part 63: Subpart ZZZZ
NSPS: Subpart 000
Compliance Data
Inspection Date 01/17/2019
Inspector's Name Thomas Harris
Operating Status Operating
Compliance Code Compliance - inspection
Action Code FCE
On -Site Inspection Result Compliance
TSP
S02
NOX
VOC
CO
PM10
* HAP
2012
1.53
0.1000
2.57
0.2100
0.5500
0.7900
---
2007
11.66
0.2300
3.53
0.2900
0.7600
4.35
---
HAP Emitted
Five Year Violation History: None
Performed Stack Tests since last FCE: None
(1) DIRECTIONS TO FACILITY: Wake Stone Corporation — Triangle Quarry is located at 222 Star Lane, Cary, Wake County. From
the RRO, take I40 West to Harrison Ave. Turn right onto Harrison Ave. towards Umstead Park. Turn left onto Star Lane just before the
entrance to Umstead Park Reedy Creek entrance. Follow Star Lane around to the entrance of Wake Stone Corporation and the office will
be on the left just beyond the Wake Stone sign.

(H) FACILITY DESCRIPTION: Wake Stone Corporation — Triangle Quarry is a crushed stone (granite) quarry. This facility operates
under Air Permit 04386R15 which was issued on August 30, 2013 and expires on July 31, 2021.
Safety Note: This facility requires safety shoes, safety hat and a safety vest for inspection. You may be asked to watch an instructional
video concerning Wake Stone's safety procedures before conducting an inspection.
(III) INSPECTION SUMMARY: On January 17, 2019, I (Tom Harris) arrived at the facility at 10:00am to conduct a compliance
inspection. I first met with Hunter Bratton, Superintendent, to review the permit and plant flow chart. I then met with Cole Atkins,
Geologist for Wake Stone Corporation, who took me on a tour of the facility. The facility was in operation at the time of the inspection.
Overall, the facility seemed to be operating well from an air quality standpoint. Water suppression was being implemented facility -wide
and much of the equipment is enclosed. No visible, fugitive or odorous emissions were detected during the inspection. The facility does
have a diesel -fired water pump on site that is moved as needed and is therefore considered a mobile source and exempt from permitting
requirements.
(IV) PERMITTED EMISSION SOURCES:
Emission Emission Source Control Control System
Source ID Description System ID I Description
Non -Metallic Mineral Processing Plant, utilizing water suppression with no other control device, including:
ES -Crushers (NSPS) crushing operations N/A I NIA
ES -Conveyors (NSPS) conveyor operations N/A N/A
ES -Screens (NSPS) Iscreening operations N/A N/A
*All crushing, conveying and screening equipment was observed in operation at the time of the inspection. All equipment appeared
well maintained.
V) SPECIFIC PERMIT CONDITIONS:
A.1 Applicable Regutlations: The Permittee shall comply with 15A NCAC Sutbchapter 2D .0202, 2D .0501, 2D .0510, 2D .0521, 2D .0524
(40 CFR 60, Subpart 000), 2D .0535, 2D .0540 and 2D .1806. Appeared in compliance. At the time of the inspection, this facility
appeared to be in compliance with all permit conditions. See below for further details.
A.2 2D .0202 Registration of Air Pollution Sources: The Director may require an owner or operator of a source of air pollution to
register that source. Appeared in compliance. The facility contact was reminded of the permit expiration date and EI
requirements.
A.3 2D .0501(c) Equipment Reporting: The Permittee shall maintain. or. -site an equipment list and a plant (or flow) diagram o a
equipment covered tinder this permit. Appeared in compliance. Kept onsite is an equipment list with all the required elements and
the plant/flow diagram. The equipment list and the flow diagram were updated in 2012.
A.4 2D .0510 Particulates from Sand, Gravel, or Crushed Stone Operations: The Permittee shall not cause, allow, orpermit 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. Appeared in
compliance. Wet suppression was observed on the process equipment and a water truck is onsite for applying water to the stock
piles and roads. A sprinkler system wets the facility's entrance/exit.
A.5 This primary crusher is a jaw crusher rated at 1620 tons per hour at a 16-inch crusher setting per the manufacturer's specifications as
submitted. Any change from this crusher definition, other than like -for -like, will require a permit application to be submitted. The purpose
of this stipulation is to characterize the primary crusher and not limit production. Appeared in compliance. The primary crusher's
size and capacity were confirmed during the inspection. It has not been replaced or modified since the last permit renewal.
A.6 2D .0521 Visible Emission Requirements: Visible emissions from all emission sources constructed after July 1, 1971 shall not exceed
20 percent opacity. Appeared in compliance. No visible emissions were observed from any of the facility's sources.

A.7 2D .0521 Visible Emission Requirements: Visible emissions from all emission sources constructed as of July 1, 1971 shall not exceed
20 percent opacity. Appeared in compliance. No visible emissions were observed from any of the facility's sources. No equipment
located at the facility predates 1971.
A.8 2D .0524 New Source Performance Standards: 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. " Appeared in compliance. All visible emissions were less than the limits set forth in the permit. Inspections
of all wet suppression equipment is conducted on a monthly basis. The facility last tested (Method 9) in 1998.
A.9 21) .0535 Notification Requirements: Facility is required to notes the Division of Air Quality if excess emissions are released for
more than four (4) hours. Appeared in compliance. Mr. Bratton stated that there was no reason to contact the DAQ due to a
malfunction.
A.10 2D .0540 Particulates from Fugitive Non -Process Dust Emission Sources: The Permittee shall not cause or allow fugitive non -
process dust emissions to cause or contribute to substantive complaints. Appeared in compliance. No fugitive dust was observed on
the property. There is no history of complaints concerning fugitive dust emissions associated with this facility.
A.11 2D .1806 Control and Prohibition of Odorous Emissions: the permittee shall operate the facility without causing objectionable
odors beyond the facility's boundary. Appeared in compliance. No odorous emissions were detected beyond the facility's boundary,
nor has the RRO received any complaints concerning odorous emissions at the facility.
(VI) COMPLIANCE HISTORY: The facility has no history of violations with the DAQ.
(VII) SOURCE TEST HISTORY: At this time there are no testing requirements for this facility. There has been no visible emissions
testing in the last 5 years.
(VIII) PERMIT EXEMPT EMISSION SOURCES: There were no apparent issues with exempt sources at this facility.
(IX) 112(r) APPLICABILITY: The facility is not subject to the Risk Management Plan - 112(r) program.
(X)CONCLUSIONS/RECOMMENDATIONS: At the time of this inspection, the facility appeared to be in compliance with all
permitting requirements. Re -inspection is recommended within two years.