AQ_F_1900039_20100526_ST_RvwMemo

DIVISION OF AIR QUALITY
May 26, 2010
MEMORANDUM
To: Patrick Butler, Raleigh Regional Office
From: Betty Gatano, Stationary Source Compliance Branch (SSCB)(&.,
Subject: Moncure Plywood, LLC
Moncure, Chatham County,North Carolina
Air Permit No. 03424T21 Facility ID 05/19/00039
Particulate Emission Testing Performed February 12,2010 on Veneer Dryer M72(Source ES 10)
By Environmental Source Samplers,Inc.
Tracking No. 2010-022ST
The subject test report has been reviewed. The emission sources are fluidized bed wood burner ID No.
ESO1-A with blending chamber and dedicated overfire air fans, direct wood-fired veneer dryer M62 (ID
No. ES09) and direct wood-fired veneer dryer M72 (ID No. ES 10). Burner ESOI-A supplies direct heat to
the two veneer dryers. The permitted maximum heat input rate to the burner is 80.0 million Btu per hour.
Particulate matter(PM)emissions from the wood burner are controlled with a multicyclone(ID No.
CD02), and PM emissions from the veneer dryers are uncontrolled. Testing was conducted only on veneer
dryer M72, which is representative of worst case(on mass emission rate in pounds per hour basis)total PM
emissions. The test demonstrates that the sources were operating in compliance with the PM emissions
standards during the testing period.
15A NCAC 2D .0515 Particulates From Miscellaneous Industrial Processes applies to the entire process,
from the wood burner to the two veneer dryers and limits the total PM from all emission points in the
process. The entire process has eleven emission points. The multicyclone outlet on the wood burner has
one emission point, and each dryer has five emissions points. As a worst case estimate of emissions,the
PM emission rate from the entire process is calculated as twice the total mass emission rate from the five
M72 emission points. The test results are given in the table below.
Test Results(lb/hr)
Pollutant Standard Emission Compliance
Limit Qb/hr) M72 M72 M72 M, 72 M72 Total for all Process Indicated'.
Stack 1 Stack 2 Stack 3 Stack 4 Stack 5 M72 Stacks Total
Filterable PM 0.418 0.418 0.385 1.380 0.606 N/A
3.208 6.416
Condensible 15A NCAC 610* 0.101 0.019 0.031 0.248 0.560
PM 2D.0515 24. 0.959 1.919 N/A
Total PM 0.520 1 0.437 0.416 1 1.628 1 1.167 Yes
4.167 8.334
*The allowable emission rate for PM is calculated as E=4.10(P)o.e7 for process rates less than or equal to 30 tons per hour(tph)and as E
55.0(P)0_i'-40 for process rates greater than 30 tph.
Emissions testing was conducted at an average production rate of 13,558 square feet per hour(ft`/hr) on
veneer dryer M72, which is 91% of the maximum normal operating process rate of 14,859 ft`/hr. Veneer
dryer M62 operated at an average production rate of 8,528 ft2/hr during testing. The production rate from
both dryers was 22,086 ftz/hr or 14.51 tons per hour during test.]
' The facility provided a conversion factor of 0.657 tons/thousand ft'.

Patrick Butler, Raleigh Regional Office Chatham County
May 26,2010
Page 2 (Moncure Plywood,LLC, PM Emissions, February 12,2010 Test)
Under Condition 2.1.A.5 under Air Permit No. 03424T2, the facility was required to monitor the static
pressure drop and excursion values across the multicyclone ID No. CD02 used to control emissions from the
fluidized bed wood burner ID No. ESO1. The facility reported a range of static pressure drop during
testing of 2 to 3 inches of water. No excursions occurred during testing.
In conclusion,the results of the emission test conducted on Veneer Dryer M72 (Source ES10) are accepted
and demonstrate compliance with the P?\4 standards for the subject emission sources. If you have any
questions, please contact me at(9 i9) 733-1478.
cc: Central Files, Chatham County
IBEAM Documents— 1900039