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5. Conclusion

Elevated concentrations of methane were determined in GP03, GP13 and GP18 with concentrations of methane ranging from 9.8% to 77.6% (v/v).

Elevated concentrations of carbon dioxide were determined in monitoring wells GPO1 , GP03, GP08, GP09, GP13, GP15, GP18, GP19, GP25, GP26, GP27, GP28, GP29 and GP30 ranging from 1.7 % to 35.9 % (v/v).

Monitoring wells GP05, GP14, GP17 and GP20, and showed methane and carbon dioxide levels below the trigger limits specified in the Waste Licence (WOO29-04).

Adrian Gaughan U Environmental Scientist

Date: 1 gth August 201 6

Report No. 4620-M224

Aadil Khan

Environmental Technical Manager

PAGE 3 OF 7 Landfill Gas Monitoring

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B Fitz Scientific Derryclure Landfill Site

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Appendix - B: Graph showing - _ _ the .. Carbon - - - Dioxide - - and Methane - _ results - .

GRAPH SHOWING THE % CARBON DIOXIDE BY M O N T H

W

Q 0 n x

+GPO1 +GPO3 +GPO5 *GPO8 +GPO9

+GP13 +GP14 -GP15 -GP17 +GP18

+GP19 +GP20 +GP25 +GP26 +GP27

*GP28 -GP29 -GP30 +CO2 LIMIT

40.0

35.0

30.0

25.0

20.0

15.0

10.0

5.0 ,

0.0

Aug- Sep- Oct- Nov- Dec- Jan- Feb- Mar- Apr- May- Jun- Jul- 2015 2015 2015 2015 2015 2016 2016 2016 2016 2016 2016 2016 12.4 4.6 4.7 11.8 10.4 8.0 3.3 0.5 , 0.2 1.2 12.1 4.1 +GPO1

+GPO3 37.8 31.6 29.7 9.5 24.0 18.5 21.5 26.4 29.9 30.8 33.6 35.9

I - -

- - - -

, +GPO5 0.1 0.4 0.1 0.4 , 0.2 0.2 0.1 0.2 0.2 0.2 0.1 0.2

*GPO8 0.4 0.9 0.6 1.2 , 1.2 0.6 0.8 0.4 0.9 0.5 0.7 1.7

0.1 1.1 0.2 1.6 1.5 1.3 0.6 0.9 ' 1.1 1.2 1.4 2.1 '*GPO9

6.0 0.2 0.1 32.8 13.2 16.4 18.0 19.2 ' 18.5 8.8 19.1 21.8 +GP13

m-I-GP14 22.4 25.5 10.1 13.2 4.0 11.4 12.5 11.5 10.6 20.4 23.6 0.3

' -GP15 3.5 2.2 1.7 1.8 1.5 0.6 0.9 0.9 1.3 2.5 3.6 4.0

-GP17 3.6 2.1 2.1 1.4 3.0 1.7 1.4 1.0 0.2 0.3 2.9 0.7

6.7 12.9 14.8 10.9 5.1 8.1 7.4 5.2 4.4 2.2 24.2 12.5 '-GP18

1.0 1.5 1.8 2.7 2.6 13.1 1.0 1.5 0.3 0.7 1.2 3.1 I+GP19

0.1 0.2 13.8 11.6 0.9 0.6 0.7 1.0 0.6 0.6 0.7 1.0 +GP2O

A G P 2 5 0.2 1.5 0.1 3.0 3.4 2.0 1.4 0.3 0.2 0.2 0.8 1.8

0.1 1.8 1.1 4.7 3.1 3.7 4.4 5.0 5.4 5.9 4.1 4.3

' - -CGP27 1.1 1.1 0.1 4.1 0.3 0.3 0.1 0.2 0.2 1.1 1.6 2.0

. .

. . - .

. . - ... . . . -

,~

. . . .. - . , .

. - .. - _ _ _

. - . - - .. - -

. . , - . . - GP26

0.3 0.6 0.7 3.9 1.8 1.8 1.3 1.5 1.4 1.6 2.1 3.5 . - , --I- G P28

i-GP29 5.3 8.1 7.1 4.3 3.8 4.6 2.8 4.1 6.5 7.6 9.9 14.2

'-GP30 ' 2.3 4.3 2.3 4.0 5.1 3.0 1.0 2.0 4.4 6.2 7.3 7.3

+CO2 LIMIT 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 , 1.5 1.5 1.5 1.5

. - , - . , . _ - . - . . - - - -.

i - . . . . . ._ . ... . . - . . . .

- _.

MONTH -YEAR

Report No. 4620-MZ24 PAGE 5 OF 7 Landfill Gas Monitoring

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Fitz Scientific

Appendix C: Map showing the Landfill Gas Monitoring Locations at Derryclure Landfill Site

Derrydure Landfill Site

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Report No. 46204224 PAGE 7 OF 7 Landfill Gas Monitoring

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