AQ_F_1900104_20230109_ST_RvwMemo_2022-251t

DIVISION OF AIR QUALITY
January 9, 2023
MEMORANDUM
To: Taylor Hartsfield,E.I.T., Raleigh Regional Office
From: Taylor Fort, Stationary Source Compliance Branch
Subject: 3M Pittsboro—Industrial Mineral Products
Moncure, Chatham County,North Carolina
Facility ID 1900104,Permit No. 09006T08
Particulate Matter and Visible Emissions Testing of Screen Baghouses CDB2 and CD134
Performed September 27 &28,2022,by Pace Analytical Services
DAQ Tracking No. 2022-251 ST
Pace Analytical Services performed EPA Method 5 for particulate matter(PM) and EPA Method 9 for
visible emissions(VE)testing at screen baghouse No. 1 (ID No. CDB2) and screen baghouse No. 2
(ID No. CDB4).Baghouses CD132 and CDB4 control emissions from multiple crushing and screening
operation sources listed in the facility permit. VE testing was also conducted at fugitive emission points
M screen No. 2 (ID ES353713) and M screen No. 5 (ID ES3537H). The emissions test results demonstrate
compliance with applicable standards.
40 CFR 60 Subpart 000 Standards of Performance for Nonmetallic Mineral Processing Plants applies,
limiting PM to 0.032 grams per dry standard cubic meter(g/dscm) and VE to 7%opacity. The emissions
test results are tabulated below. VE testing was conducted on September 27,2022,and PM testing was
conducted on September 28, 2022.
Source ID Pollutant Test Results Limit Standard Compliance
0.407 lb/hr ---
PM Yes
CDB2 0.0027 g/dscm 0.032 g/dscm
VE 0%* 7% Yes
1.25 lb/hr --- 40 CFR 60
CDB4 PM 0.0094 g/dscm 0.032 g/dscm Subpart 000 Yes
VE 0%* 7% Yes
ES3537B VE 0%* 7% Yes
ES3537H VE 0%* 7% Yes
*Highest six-minute average
The subject test results are considered an acceptable demonstration of compliance with the applicable
standards. For questions or further assistance with this test report review,please contact me at
taylor.fortkncdenr.gov.
cc: IBEAM Documents- 1900104