3404_KernersvilleCityOf_MSWLF_LFG_MethaneExceedance.pdf

Environmental Engineers, Scientists & Consultants

2211 W. Meadowview Road, Suite 101
Greensboro, NC 27407
tel: [phone]
fax: [phone]
www.JoyceEngineering.com

December 28, 2015

Ms. Jackie Drummond
North Carolina Department of Environment and Natural Resources
Division of Waste Management, Solid Waste Section
1646 Mail Service Center
Raleigh, North Carolina 27699-1646

RE: Landfill Gas Monitoring Report
LFG Monitoring – December 2015
Town of Kernersville Closed Landfill, Permit No. 34-04
JOYCE Project No. 838.1601.12, Task No. 03

Dear Ms. Drummond:

Please find the attached Environmantal Monitoring Reporting Form (EMRF) and Landfill Gas
Monitoring Log for the monthly monitoring event that occurred on December 28, 2015, at the Closed Town
of Kernersville Landfill (Permit number 34-04). Methane monitoring for this event was conducted by Joyce
Engineering (JOYCE) on behalf of the Town of Kernersville in accordance with the approved Landfill Gas
Monitoring Plan dated July 17, 2012. Methane was detected in gas monitoring wells GW-1, GW-2R ,GW-8,
and GP-10 above the Lower Explosive Limit (LEL) during this monitoring event.

During this event three probes belonging to the adjacent Waste Management Piedmont landfill GP-9,
GP-10, and GP-11 were also monitored for methane gas.

Additional monthly monitoring will provide additional data to demonstrate whether the methane
migration is being reduced by the three passive vents installed on the Kernersville Landfill in November
2013. A map has been included with this report to illustrate the proximity of the two landfills and the
locations of the gas probes. If you have any further questions, please contact me or Van Burbach at (336)
323-0092. Thank you.

Sincerely,
JOYCE ENGINEERING

Haley Seaton
Field Consultant

Attachments: EMRF
Table of Detections and Table of Eceedances
Landfill Gas Monitoring Log
Site Map

Copy: Thad Buck, Town of Kernersville
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TABLE 1: Methane Detections
Date Location CH4 (% LEL)CH4 (% Volume)
12/28/2015 GW-1 604 30.2
12/28/2015 GW-2R 1038 51.9
12/28/2015 GW-8 380 19.0
12/28/2015 GP-10 612 30.6
TABLE 2: Exceedances of the LEL
Date Location CH4 (% LEL)CH4 (% Volume)
12/28/2015 GW-1 604 30.2
12/28/2015 GW-2R 1086 51.9
12/28/2015 GW-8 380 19.0
12/28/2015 GP-10 612 30.6
CH4 = Methane
LEL = Lower Explosive Limit for Methane
LEL = 5% by volume at standard temperature and pressure
Town of Kernersville Landfill (Inactive)
Permit # 34-04
Joyce Engineering
December 2015
Landfill Gas Monitoring Data Form
Facility Name:Permit Number:34-04
Date of Sampling: December 28, 2015 Personnel: H. Seaton
Gas Monitor Type & Serial Number:GEM 2000 SN.5194 Calibration Date:December 18, 2015
Field Calibration Date & Time:
Field Calibration Gas Type: 15% CH4, 15% CO2 Cal. Gas Lot: Landtec 43253-09, exp. 9-16
General Weather Conditions: rainy, 50's° F Barometer :29.27 In-Hg
GW-1 12:41 0.00 Y 60 604 30.2
GW-2R 12:45 0.30 Y 60 1038 51.9
GW-3 13:14 -0.10 Y 60 0 0.0
GW-4 12:59 -3.20 Y 60 0 0.0
GW-5 13:19 -0.20 Y 60 0 0.0
GW-6 12:35 0.00 Y 60 0 0.0
GW-7 13:28 0.10 Y 60 0 0.0
GW-8 13:42 0.20 Y 60 380 19.0
GP-9 13:32 0.00 Y 60 0 0.0
GP-10 13:25 0.40 Y 60 612 30.6
GP-11 13:09 0.00 Y 60 0 0.0
Notes:GW = Gas Well- Town of Kernersville LFG monitoring location.
GP = Gas Probe- LFG monitoring location shared with WM Piedmont site.
CH4
(%LEL)
Location or
ID
Time Probe
Pressure
(In-Wg)
Instr. sample
tube purged
Time
Pumped
(sec.)
Town of Kernersville Landfill - Closed
Over LEL
Over LEL
Over LEL
Over LEL
CH4
(%Vol)
Notes
12/28/15 11:51 AM
Town of Kernersville
Closed MSWLF, Permit No. 34-04 1
Joyce Engineering
December 2015