1203-MSWLF-1987_BurkeCounty_LFG_DIN26465_20160517

2211 West Meadowview Rd.
Greensboro, NC 27407

tel: [phone]
fax: [phone]
www.JoyceEngineering.com

May 24, 2016

Mr. Chris Hollifield
Burke County
General Services Director/County Engineer
P.O. Box 219
Morganton, NC 28680

RE: Burke County, John’s River Landfill
Permit Number 12-03
Second Quarterly Landfill Gas Monitoring Report of 2016
JOYCE Project No. 277.1601.12, Task 04

Dear Mr. Hollifield;

The purpose of this letter is to provide you with the results for the May 17, 2016, (second
quarter) monitoring event at the John’s River Waste Management Facility. Methane was
detected above the lower explosive limit (LEL) in gas probes GP-2S, GP-2I, and GP-2D. Gas
probes GP-2S, GP-2I, and GP-2D are a nested set and are not boundary probes. They are located
in close proximity to waste and the detection of landfill gas is expected. The concentrations are
similar to those detected during previous events.

Gas probes GP-4, GP-5, and GP-6 were installed on September 2, 2014 to monitor the
Phase 1A cell. Methane was detected in GP-4 above the LEL. GP-4 is located between the old
C&D-over-MSW landfill and the Phase 1A area, and is not a boundary probe. The methane is
more likely from the old landfill than Phase 1A.

The passive gas vents GV-1 through GV-7, temporary gas probes TGP-1 through
TGP-10 (excluding TGP-3 and TGP-6 which were destroyed), and selected wells and
piezometers were also monitored and the results are attached. Exceedances of the LEL for
methane were noted in the passive gas vents, as expected, and in TGP-1, TGP-2, TGP-4, and
TGP-9. Methane was detected in MW-36 and MW-38, but below the LEL. None of these are
considered to be boundary probes.

No exceedances were recorded for any of the other probes, monitoring points, or
structures. The methane detections and exceedances are summarized in Tables 1 and 2,
respectively. The landfill gas monitoring logs are also attached. A site map showing probe and
monitoring point locations is also attached.

Mr. Chris Hollifield
May 24, 2016
Page 2 of 2

We have included an EMRF and will forward a copy of this report to Jaclynne
Drummond with the NCDEQ Solid Waste Section. This report should be added to the facility’s
records. If we can provide any additional information please do not hesitate to call Van Burbach
or me at [phone].

Sincerely,
JOYCE ENGINEERING

Van Burbach, Ph.D., P.G.
Sr. Technical Consultant

Attachments: NCDEQ EMRF
Landfill Gas Monitoring Logs
Site Map with Gas Monitoring Locations

cc: Jaclynne Drummond, NCDEQ

Table 1: Methane Detections - May 17, 2016
LFG
Probe
CH4
(%Vol.)
CH4
(%LEL)
GP-2 S 58.7 1174
GP-2 I 58.6 1172
GP-2 D 58.7 1174
GP-4 58.5 1170
TGP-1 30.8 616
TGP-2 11.4 228
TGP-4 56.1 1122
TGP-5 0.1 2
TGP-9 11.0 220
MW-36 2.5 50
MW-38 0.5 10
Table 2: Methane Exceedances of the LEL - May 17, 2015
LFG
Probe
CH4
(%Vol.)
CH4
(%LEL)
GP-2 S 58.7 1174
GP-2 I 58.6 1172
GP-2 D 58.7 1174
GP-4 58.5 1170
TGP-1 30.8 616
TGP-2 11.4 228
TGP-4 56.1 1122
TGP-9 11.0 220
CH4 = Methane
%Vol. = Concentration in pecent-by-volume.
%LEL = Concentration as a percent of the LEL.
LEL = Lower Explosive Limit = 5%Vol.
GP = Gas Probe, permanent installation.
S = Shallow Screen. I = Intermediate Screen. D = Deep Screen.
TGP = Temporary Gas Probe for delineation study.
Burke Co., Johns River Landfill
Permit # 12-03 Joyce Engineering
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L
i
m
i
t
.
(L
E
L

f
o
r

m
e
t
h
a
n
e

=

5
%

a
t

s
t
a
n
d
a
r
d

t
e
m
p
e
r
a
t
u
r
e

&

p
r
e
s
s
u
r
e
.
)
De
p
t
h

t
o

W
a
t
e
r
:

2
8
.
8
0
'
De
p
t
h

t
o

W
a
t
e
r
:

4
1
.
5
4
'
De
p
t
h

t
o

W
a
t
e
r
:

3
8
.
5
6
'
De
p
t
h

t
o

W
a
t
e
r
:

2
6
.
1
4
'
Ma
y

1
7
,

2
0
1
6
2/
1
9
/
2
0
1
6

7
:
1
0
28
.
9
4

I
n
-
H
g
CH
4

(%
V
o
l
.
)
CH
4

(%
L
E
L
)
CH
4
Li
m
i
t

(%
L
E
L
)
No
t
e
s
Lo
c
a
t
i
o
n

o
r

L
F
G

We
l
l

I
D
In
s
t
r
.

pu
r
g
e
d
Ti
m
e
Pr
o
b
e

Pr
e
s
s
u
r
e

(I
n
-
W
g
)
Ti
m
e

Pu
m
p
e
d

(s
e
c
.
)