AQ_F_0200058_20210407_CMPL_InspRpt

NORTH CAROLINA DIVISION OF Mooresville Regional Office
AIR QUALITY Precision Materials,LLC
NC Facility ID 0200058
Inspection Report County/FIPS:Alexander/003
Date: 04/06/2021
Facility Data Permit Data
Precision Materials,LLC Permit n/a
6246 NC Highway 16 South Issued n/a
Taylorsville,NC 28681 Expires n/a
Lat: 35d 50.2860m Long: 8ld 11.3016m Class/Status Permit Exempt
SIC: 2511 /Wood Household Furniture Permit Status Inactive
NAICS: 337122/Nonupholstered Wood Household Furniture Manufacturing Current Permit Application(s)None
Contact Data Program Applicability
Facility Contact Authorized Contact Technical Contact SIP
Ken Parker Scott McHugh Danny Johnson
Plant Manager Owner/President Maintenance Manager
[phone] [phone] [phone]
Compliance Data
Comments:
Inspection Date 04/06/2021
Inspector's Name Sandra Sherer
Inspector's Signature: Sand=She wx 059( Operating Status Operating
Compliance Status Compliance-inspection
Action Code FCE
Date of Signature: 4/7/2021 Inspection Result Compliance
Total Actual emissions in TONS/YEAR:
TSP S02 NOX VOC CO PM10 * HAP
2011 0.7700 --- --- --- --- 0.1000 ---
2006 1.16 --- --- --- --- 0.0100 ---
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

Precision Materials
April 6, 2021
Page -2—
Type Action: X Compliance _Partial Compliance _Complaint Other:
Assurance Visit Evaluation/Reinspection Investigation
Data Date submitted for initial review 4/7/2021 _IBEAM WARNING/OB,NOD,NOV,NRE
Tracking: X IBEAM Document
X IBEAM Inspection,list date inspected 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 4/l/2023
Directions:
From MRO, travel I-77 north to I-40 west toward Conover. Take Exit 132 and turn right off ramp. Take
the next right at light onto Hwy 16 N towards Taylorsville. After approximately 12 miles,the facility can
be seen on the left just prior to Millersville School.
Safety Equipment:
This company requires that safety glasses be worn by the inspector at the facility.
Safety Issues•
No safety issues were noted during the inspection.
COVID-19 Information:
I talked with Mr. Ken Parker, Plant Manager, by phone prior to the on-site inspection who informed me
that the facility requires employees and visitors to wear a mask due to the COVID-19 pandemic. The
morning of the compliance assurance visit, I filled out the NC Employee Screening for Employees
Reporting Onsite form on the oshr.nc.gov website that states I don't have, or have been in contact with
anyone that has COVID-19 symptoms. I decided to stay in my car to determine compliance while talking
with Mr.Parker by phone while viewing the baghouses that control the PM10 emissions. I rolled down my
car window to detect any odors.
Lat/Long:
A review of the "Facilities Regulated by Air Quality" on the DAQ web site indicates the facility's latitude
and longitude coordinates are accurate. No changes to the latitude and longitude coordinates of this facility
are needed in IBEAM. The latitude and longitude coordinates of this facility are not locked in IBEAM.
Email Contacts:
The emails for the Facility,Authorized,and Technical contacts were verified by Mr. Ken Parker,Plant Manager.
No changes were needed in IBEAM.

Precision Materials
April 6, 2021
Page -3—
General Information:
The purpose of this site visit was to conduct a compliance assurance visit. The facility was issued
exemption on November 17, 2016. This facility manufactures wooden components used in furniture,
shelving and packaging and is currently operating the routers two 10-hour shifts,four days a week,and the
rest of the sawing and chipping is operating one 10-hour shift, four days a week. Mr. Ken Parker, Plant
Manager, spoke with me by phone during this inspection.
Source Observations:
The facility has three bagfilters to control particulate emissions from routers,band saws,rip saws, and two
chipping machines. The wood dust from the sawing operations and one of the chippers vents into one semi-
truck via a closed-looped cyclone that is emptied about once per week.The second chipping operation drops
larger wood chips into a separate dumpster and is not considered a PM10 source. These sources were
observed in operation with no visible emissions and no fugitive dust. This office has not received any
fugitive dust emissions complaints regarding this facility. Mr. Parker stated by phone that no excess
emissions had occurred at this facility.
Exemption Oualifications:
This office received a letter from Precision Materials,LLC on October 24,2016 requesting rescission of
Permit No. 06323R07. The facility has two wood dust collection systems—one for all three bagfilters
combined plus one chipper, and one for another wood chipping operation. According to the permit
rescission review,the volume of the trailer is 3,456 ft3 and each trailer is at most 80%full after settling.
Assuming that wood dust weighs 11.97 lbs/ft3 and that the facility operates fifty weeks per year,the
facility determined that 827 tons of wood dust was the maximum produced by each system per year. One
trailer per week of dust produced in each system have actual emissions of 0.05 tons per year of PM 10 and
the chipping operation has 0.00 tons per year PM10(since chipping produces emissions of larger sized
particle). Mr.Parker stated during the inspection that the facility is currently filling four trailers of wood
dust per week, and one trailer of wood chips per week. Since the wood chips are not considered a PM10
source,the total PM10 emissions are 0.20 tons per year. Therefore,the facility still qualifies for
exemption.
NSPS/NESHAP Review:
There are no generators or diesel-fired fire pumps at the facility, therefore the facility is not subject to
NESHAP Subpart 4Z. There are no boilers at the facility,therefore the facility is not subject to NESHAP
Subpart 6J. There are no gasoline storage tanks at the facility, therefore the facility is not subject to
NESHAP Subpart 6C.
Compliance determination:
Based on my observations,this facility appeared to be in compliance with the air quality rules (2D .052 1-
visible emissions; and 2D .0535-excess emissions) at the time of inspection. The compliance assurance
visit checklist is listed on page 4.
SLS:
c: MRO File
http s://ncconnect.sharepoint.com/sites/DAQ-MRO/Counties/ALEXANDER/0005 8/INSPEC T_20210406_CAV.docx

Precision Materials
April 6, 2021
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Compliance Assurance Visit Checklist rev.8/05/16
Facility Name: Precision Materials,LLC
Physical Site Address: 6246 NC Highway 16 South
City: Taylorsville Zip Code: 28681 County: Alexander
Facility Contact: Ken Parker Title: Plant Manager
Phone No.: 828-632-8851 ext.310
Mailing Address: 6246 NC Highway 16 South Taylorsville NC 28681
Facility Contact Email Address:
Is the facility contact the person that you met? If not,fill out the following: (same as above)
Contact Name: Title:
Phone No.:
Mailing Address:
Email Address:
Safety requirements:safety shoes(no)-safety glasses(yes)-hearing protection(no)-hardhat(no)
other(please describe):
Normal operating schedule(hr/d,d/wk,wk/yr): Routers operate two 10 hour shifts per day(Mon.-Thur.);all other sawing
and chipping operate one 10 hour shift per day(Mon-Thur.).
Opacity(%) indicate any non-zero opacities observed: 0%
Odors-indicate if any objectionable odors were detected beyond the property boundary: None
Fugitive dust-indicate whether fugitive dust was observed leaving property boundary: None
Since last inspection,have there been any changes in equipment or operation? No
Throughput and/or fuel usage with units: 3,308 tons per year
Control device(s)(list): 1 bagfilter(1,184 sq ft.),2 bagfilters(2,870 sq.ft.each)
Properly operated and maintained? Yes
For a permit exempt facility found to be improperly operating or maintaining plant equipment:1)provide compliance
assistance as a first option;2)initiate enforcement action in egregious/repeat cases;3)re-evaluate facility's emissions using a
more representative control efficiency/emission factor;4)If re-evaluated actual emissions result in a classification/registration
change,follow enforcement guidelines for operation without a permit/registration;and 5)increase compliance visit frequency.
Notes or calculation space:
Permit Exemption:
•Actual emissions from the previous year(s)(and projected actual)of PM10,S02,NOx,VOCs,CO,HAPs,and TAPs
are each<5 tpy and whose actual total aggregate of these emissions are<10 tpy
•Can be subject to 40 CFR Part 63(MACT or GACT)and 40 CFR Part 60(NSPS)
•Cannot be subject to Rule 2Q.0315(Synthetic Minor Facilities)or 2Q.0500(Title V Procedures)
Woodworking: %each must total100
Wood waste(tpy): 3,308 Planing
or Sawing/chipping 100
Throughput(board ft/yr): Rough sawing
Wet/dry wood? Fine sawing
Bagfilter or cyclone? Milling(&hog)
Molding
Sanding