AQ_F_0400052_20190521_ST_RvwMemo (4)

DIVISION OF AIR QUALITY
May 21,2019
MEMORANDUM
To: Heather Carter,Fayetteville Regional Office Supervisor
From: Brent W.Hall, Stationary Source Compliance Branch(SSCB)XW
Subject: Anson County Waste Management Facility
Polkton,Anson County,North Carolina
Facility ID 04-00052,Air Permit No. 09835T03
Five Year Nonmethane Organic Compounds Tier 2 Emissions Testing of
Municipal Solid Waste Landfill ES-1
By Franklin Engineers& Consultants,LLC,December 27,2018 and January 31,2019
DAQ Tracking No. 2018-308ST
Franklin Engineers&Consultants,LLC performed a nonmethane organic compounds(NMOC)Tier 2
Test Update via EPA Method 25C and EPA Method 3C at Anson County Waste Management Facility's
(ACWMF)Municipal Solid Waste Landfill ES-l. The emissions test results demonstrate compliance
with the applicable regulations.
ES-1 is a municipal solid waste landfill with associated gas collection and control system(GCCS-1)
including one candle stick type flare(CD-1). 40 CFR 60 Subpart XXX Standards of Performance for
Municipal Solid Waste Landfills That Commenced Construction, Reconstruction, or Modification After
July 17, 2014 applies and limits total NMOC emissions to 34 megagrams per year(Mg/yr).
The total landfill surface area that has held waste at least 2 years is approximately 55.4 acres
(22.4 hectares). The landfill currently operates a voluntary installed Gas Collection&Control System
(GCCS).The GCCS collects landfill gas(LFG)to a common header and measures this gas flow for
approximately 51 acres(20.6 hectares). The remaining 4.4 acres(1.7 hectares)of landfill area is not
controlled by the GCCS. Four equal volume composite samples were collected from the uncontrolled
area and analyzed for NMOC as hexane. The landfill's average NMOC concentration as hexane was
reported as a weighted average based on the total acreage under GCCS control. The average weighted
NMOC concentration as hexane for the controlled waste was 508 parts per million volume dry(ppmvd)
and 367 ppmvd as hexane for the uncontrolled waste. The estimated 5-year NMOC emission rates are
shown in the table below.
LFG Extraction Controlled LandGEM Total Emissions
Year Rate(scfm)1 NMOC Emissions NMOC Emissions (Mg/yr)2
(Mg 1 1
2018 426 11.59 6.37 17.96
2019 700 19.04 7.22 26.26
2020 700 19.04 8.14 27.18
2021 700 19.04 9.02 28.06
2022 700 19.04 9.85 28.89
'LFG=Landfill Gas; scfm=standard cubic feet per minute

Heather Carter
Page 2
DAQ Tracking No. 2018-308ST
The LFG extraction rate for 2019 will not be known until the end of 2019. Therefore, a conservative
estimate of 700 scfm(64%increase)was used in future calculations. The emissions test results
demonstrate the landfill will remain below the limit of 34 Mg/yr for the next five years. Provided the
NMOC emission rates remain below 34 Mg/yr through 2022,a subsequent Tier 2 test update will be
performed in 2023. If there are any questions concerning this review,please contact me at(919)707-
8427 orBrent.Hall!.,ncdenr.,,ov.
Cc: Central Files,Anson County
113EAM Documents--0400052