1202_Burke_EastBurke_MSWLF_LFGVentInstall_FID1377056_20191115

LaBella
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November 15, 2019
Ms. Jackie Drummond
Compliance Hydrogeologist
Division of Waste Management/Solid Waste Section
1646 Mail Service Center
Raleigh, NC 27699-1646
Via Email: [e-mail]
RE: Burke County - East Burke Landfill, Permit No. 12-02
Gas Vent Installation Report
LaBella Project No. 2192621.00, Phase 06
Dear Jackie:
On behalf of Burke County, North Carolina, LaBella Associates (LaBella) is submitting this report on
the recent installation of gas vents at the East Burke Landfill (Permit # 12-02). In our Landfill Gas
Remediation Plan (LGRP) dated June 29, 2018, which was a combination plan for both the East
Burke and Kirksey Drive Landfills, we proposed a combination of gas intercept trenches and gas
vents as the remedy for gas migration at the East Burke Landfill. Specifically, two gas vents, GV-4
and GV-5, were proposed in the waste unit near gas probe GP-1 and monitoring well MW-2.
On September 16, 2019, LaBella and American Environmental Group (AEG) mobilized to the Eat
Burke Landfill to install two gas vents, GV-4 and GV-5, using a 36-inch diameter bucket auger drilling
rig. The boring for GV-5 was advanced until it was clear that we were in undisturbed native soil
beneath the waste. The boring for GV-4 was terminated before reaching the base of waste because
water was encountered. The waste excavated from the borings was placed in roll -off containers
provided by the County and later transported to the County's Transfer Station at the Roaring River
Landfill for disposal.
The gas vents were constructed of 6-inch diameter Schedule 80 PVC, with perforated screen
extending from one foot above the bottom of the boring to four feet below ground surface and then
solid riser to 6 feet above the ground surface. The annular space was filled with gravel to one foot
above the top of the screen, a 2-foot foam seal was placed above the gravel, and then the boring
was filled with compacted native soil to the surface. The approximate locations of the gas vents are
shown on the attached Drawing 1. AEG's well construction logs are also attached. The key
construction parameters for each vent are summarized below.
Gas Vent ID:
GV-4
GV-5
Total Depth of Boring:
30 ft.
46 ft.
Screened Interval:
4-29 ft.
4-45 ft.
2211 W. Meadowview Road #1o1 i Greensboro. NC 27407 p [phone]
www.LabeLLapc.com

e
Monitoring will continue on a quarterly basis and in accordance with the Landfill Gas Monitoring Plan
and the Landfill Gas Remediation Plan for the site. If we can provide any additional information,
please contact me at [e-mail] or [phone]. Thank you.
Respectfully submitted,
LaBella Associates
Van Burbach, PhD, PG
Sr. Technical Consultant
Attachments: Drawing 1
Gas Vent Logs
cc: Miles Champion, Burke County

American
Group Environmental WELL INSTALLATION REPORT
.J TT; QVIT01 CONIPW
Project Name: East Burke Landfill Time in: 11:45am
Site Location: Elkin, NC Time out: 1:06pm
AEGL Project M 10119038B Rig Hrs: 2182
Date Drilled: September 16, 2019 Weather: 90 degrees
Type of Casing:
WELL ID M
GV-1
TOTAL WELL DEPTH:
46.0
FT
1 4
Top Cap or Flange
5.0 FT
STICK-UP
6„
Total Length of Solid
10.0
FT
Grade Elev.
0.0
Pipe
0.0 to 1.0
FT
-- --------------------------
Intermediate Cover
2.0
FT
1.0 to 3.0
FT
--------------------------------
Bentonite Seal
2.0
FT
3.0 to 4.0
FT
O
O
O
O
O
O Gravel Above Perf 1.0 FT
O
O
O Total Length of Gravel Pack 42.0 FT
O
O Total Length of
O Perforated Pipe 40.0 FT
4.0 to 45.0 FT Bottom Cap
----------------------- -----
----
45..0_----- t_o_----- 46_._0F_T Gravel Below Perf. Pipe 1.0 FT
— 360, Inch Diameter Borehole
Time 02 H2S LEL/CO NOTES:
7am
8am
9am
10am
11am
noon
1 pm
2pm
3pm
4pm
5pm
GV-1 was called at 46' due to drilling into virgin soil. We built al
bench as well and buried a safety grate.
CLIENT REP:
SUPERVISOR: Eric V. Steen

American
Group Environmental WELL INSTALLATION REPORT
.J TT; QVIT01 CONIPW
Project Name: East Burke Landfill Time in: 2:10pm
Site Location: Elkin, NC Time out: 2:45pm
AEGL Project M 10119038B Rig Hrs: 2184
Date Drilled: September 16, 2019 Weather: 92 degrees
Type of Casing:
WELL ID M
GV-2
TOTAL WELL DEPTH:
30.0
FT
1 4
Top Cap or Flange
5.0 FT
STICK-UP
6„
Total Length of Solid
10.0
FT
Grade Elev.
0.0
Pipe
0.0 to 1.0
FT
-- --------------------------
Intermediate Cover
2.0
FT
1.0 to 3.0
FT
--------------------------------
Bentonite Seal
2.0
FT
3.0 to 4.0
FT
O
O
O
O
O
O Gravel Above Perf 1.0 FT
O
O
O Total Length of Gravel Pack 26.0 FT
O
O Total Length of
O Perforated Pipe 24.0 FT
4.0 to 29.0 FT Bottom Cap
----------------------- -----
----
29..0t_o30_._0F_T Gravel Below Perf. Pipe 1.0 FT
4 360, Inch Diameter Borehole
Time 02 H2S LEL/CO NOTES:
7am
8am
9am
10am
11am
noon
1 pm
2pm
3pm
4pm
5pm
GV-2 was called at 30' due to drilling into liquids. We buried a
grate.
CLIENT REP:
SUPERVISOR: Eric V. Steen

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