appendix d – historical aerial photos - department … photo: jun 13, 1990, ntc 1129, run 14,...
TRANSCRIPT
Appendix D – Historical Aerial Photos
Appendix D - Page D1
Table D1 - Aerial Photograph Review - North & East (Rapid Creek Catchment)
Date & Photograph Details Site History Details
1944
Photo: Jan 1, 1944, MAP 1137, Run 8 & 9, Scale: 10,000
The land to the north of the site is vacant and uncleared. Some land clearing has taken place for residences to the northeast.
Land to the east is vacant and uncleared.
*Note: the image is low resolution and details are difficult to distinguish
1969
Photo: Jan 1, 1969, CAG 5541, Runs 7, 9, Scale: 4,800
Areas of Nightcliff, Rapid Creek, Millner and Alawa have been developed for residential use. Remaining land to the north vacant and uncleared.
Land to the east is still vacant and uncleared.
1974
Photo: Jun 6, 1974, NT 301, Run 2, 3, 4 & 5 Scale: 7,500
Aerodrome developed to the northeast of the site in Millner. Northern suburbs including Milner and Moil areas established. Clearing had commenced to the northwest for Northlakes and Darwin Golf Club.
Land to the east is still vacant and uncleared.
1985
Photo: Aug 2, 1985, NTc 953, Run 4, 5, Scale: 12,000
Marrara sports complex under development.
Malak and Karama residential areas developed.
1990
Photo: Jun 13, 1990, NTc 1129, Run 12, Scale: 5,000.
Construction works commenced on Darwin International Airport facilities.
1994
Photo: May 4, 1994, NTc 1251, Run 6, Scale: 8,500
Darwin International Airport opened. Marrara sports complex opened.
2005
Photo: Aug 31, 2005 – Google Earth Pro
No significant changes observed.
2010
Photo: Apr 26, 2010 – Google Earth Pro
No significant changes observed.
Table D2 - Aerial Photograph Review - South (Sandgrove Creek and Reichardt Creek Catchment)
Date & Photograph Details Site History Details
1944
Photo: Jan 1, 1944, MAP 1137, Run 9, Frame 56 & 58, Scale: 10,000
The majority of the land to the south of the site is vacant and uncleared with the exception of a few pockets that have been cleared of vegetation. The campground currently known as ‘Discovery Parks – Darwin’ appears to have been established.
Appendix D - Page D2
Date & Photograph Details Site History Details
1969
Photo: Jan 1, 1969, CAG 5541, Runs 7, 9, 11 & 12 Scale: 4,800
To the South West the Darwin showgrounds are present (established in 1951). Bunkers and storage along Bombing Road are visible. Minimal development of Winnellie area.
1974
Photo: Jun 6, 1974, NT 301, Run 7, Scale: 7,500
Winnellie area has been further developed.
1985
Photo: Aug 2, 1985, NTc 953, Run 6, Scale: 12,000
No significant changes observed.
1990
Photo: Jun 13, 1990, NTc 1129, Run 14, Scale: 5,000
No significant changes observed.
1999
Photo: Sep 27, 1999, NTc 1419, Run 3, Scale: 8,000
Construction had commenced on the OLAs south of the runway, around the ARFF Fire station. New ARFF fire station was evident north of the runway.
Bayview residential area under development.
2001
(HLA 2007b)
Construction of the OLAs and removal or cover of the south east end of the former runway was complete.
2005
Photo: Aug 31, 2005 – Google Earth Pro
No significant changes observed.
2010
Photo: Apr 26, 2010 – Google Earth Pro
No significant changes observed.
Table D3 - Aerial Photograph Review - West (Ludmilla Creek Catchment)
Date & Photograph Details Site History Details
1941 (photograph not available)
Parap Airfield still in use (Civil and aviation relocated to RAAF Base).
1944
Photo: Jan 1, 1944, MAP 1137, Run 7, Frame 80, Scale: 10,000
Parap Airfield still in use.
The majority of the land to the south of the west is vacant and remains uncleared.
1969 Parap Airfield no longer in use, area developed for residential housing.
Bagot area partly developed for residential use with remaining area cleared in preparation for development.
Appendix D - Page D3
Date & Photograph Details Site History Details
Photo: Jan 1, 1969, CAG 5541, Run 5, Frame 70, Scale: 4,800 and Run 6
1974
Photo: Jun 6, 1974, NT 301, Run 6, Scale: 7,500
Bagot residential area further developed.
1985
Photo: Aug 2, 1985, NTc 953, Run 5, Frame 109, Scale: 12,000
RAAF Darwin Golf Club developed.
1990
Photo: Jun 13, 1990, NTc 1129, Run 11 & 12, Scale: 5,000
No significant changes observed.
1999
Photo: Sep 27, 1999, NTc 1419, Run 1, Scale: 8,000
No significant changes observed.
2005
Photo: Aug 31, 2005 – Google Earth Pro
No significant changes observed.
2010
Photo: Apr 26, 2010 – Google Earth Pro
No significant changes observed.
Appendix D - Page D4
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Appendix D - Page D5
Appendix E – Comparison of Low-flow sampling to Hydrasleeve sampling results
Appendix E - Page E1
Data set comparison test
Mean hydrasleeve Mean Low-flow Conclusion
PFBA 0.0976 0.0929 Hydrasleeve = low-flow
PFPeA 0.167 0.153 Hydrasleeve = low-flow
PFHxA 0.736 0.7 Hydrasleeve = low-flow
PFHpA 0.102 0.104 Hydrasleeve = low-flow
PFOA 0.22 0.231 Hydrasleeve = low-flow
PFBS 0.36 0.324 Hydrasleeve = low-flow
PFHxS 3.265 3.043 Hydrasleeve = low-flow
PFHpS 0.282 0.267 Hydrasleeve = low-flow
PFOS 7.204 10.07 Hydrasleeve = low-flow
PFPeS 0.429 0.341 Hydrasleeve = low-flow
6:2 FTS 0.0841 0.0803 Hydrasleeve = low-flow
8:2 FTS 0.00794 0.0103 Hydrasleeve = low-flow
PFAS compound data from August hydrasleeve sampling event and low-flow sampling from 1 m below water
surface were compared using Wilcoxon-Mann-Whitney test, with the hypothesis that Site (hydrasleeve) or AOC
Mean/Median Equal to Background (low-flow) Mean/Median (Two Sided Alternative) with 95% confidence.
Appendix E - Page E2
Wilcoxon-Mann-Whitney Site vs Background Comparison Test for Full Data Sets without NDs
User Selected Options
From File WorkSheet.wst
Full Precision OFF
Confidence Coefficient 95%
Substantial Difference 0
Selected Null Hypothesis Site or AOC Mean/Median Equal to Background Mean/Median (Two Sided Alternative)
Alternative Hypothesis Site or AOC Mean/Median Not Equal to Background Mean/Median
Area of Concern Data: PFBA-MP
Background Data: PFBA-HS
Raw Statistics
Site Background
Number of Valid Observations 17 17
Number of Distinct Observations 9 9
Minimum 0.025 0.025
Maximum 0.43 0.3
Mean 0.0976 0.0929
Median 0.05 0.05
SD 0.111 0.0937
SE of Mean 0.0268 0.0227
Wilcoxon-Mann-Whitney (WMW) Test
H0: Mean/Median of Site or AOC = Mean/Median of Background
Site Rank Sum W-Stat 297
WMW Test U-Stat 144
Lower Critical Value (0.025) 88
Do Not Reject H0, Conclude Site = Background
Upper Critical Value (0.975) 201
Approximate P-Value 1
Conclusion with Alpha = 0.05
Appendix E - Page E3
Wilcoxon-Mann-Whitney Site vs Background Comparison Test for Full Data Sets without NDs
Upper Critical Value (0.975) 201
Approximate P-Value 0.89
Conclusion with Alpha = 0.05
WMW Test U-Stat 149
Lower Critical Value (0.025) 88
Do Not Reject H0, Conclude Site = Background
H0: Mean/Median of Site or AOC = Mean/Median of Background
Site Rank Sum W-Stat 302
SE of Mean 0.0454 0.0368
Wilcoxon-Mann-Whitney (WMW) Test
Median 0.1 0.08
SD 0.187 0.152
Maximum 0.68 0.52
Mean 0.167 0.153
Number of Distinct Observations 14 14
Minimum 0.005 0.005
Raw Statistics
Site Background
Number of Valid Observations 17 17
Alternative Hypothesis Site or AOC Mean/Median Not Equal to Background Mean/Median
Area of Concern Data: PFPeA-MP
Background Data: PFPeA-HS
Confidence Coefficient 95%
Substantial Difference 0
Selected Null Hypothesis Site or AOC Mean/Median Equal to Background Mean/Median (Two Sided Alternative)
User Selected Options
From File WorkSheet.wst
Full Precision OFF
Appendix E - Page E4
Wilcoxon-Mann-Whitney Site vs Background Comparison Test for Full Data Sets without NDs
Upper Critical Value (0.975) 201
Approximate P-Value 1
Conclusion with Alpha = 0.05
WMW Test U-Stat 145
Lower Critical Value (0.025) 88
Do Not Reject H0, Conclude Site = Background
H0: Mean/Median of Site or AOC = Mean/Median of Background
Site Rank Sum W-Stat 298
SE of Mean 0.199 0.184
Wilcoxon-Mann-Whitney (WMW) Test
Median 0.34 0.33
SD 0.822 0.758
Maximum 2.5 2.7
Mean 0.736 0.7
Number of Distinct Observations 17 15
Minimum 0.005 0.005
Raw Statistics
Site Background
Number of Valid Observations 17 17
Alternative Hypothesis Site or AOC Mean/Median Not Equal to Background Mean/Median
Area of Concern Data: PFHxA-MP
Background Data: PFHxA-HS
Confidence Coefficient 95%
Substantial Difference 0
Selected Null Hypothesis Site or AOC Mean/Median Equal to Background Mean/Median (Two Sided Alternative)
User Selected Options
From File WorkSheet.wst
Full Precision OFF
Appendix E - Page E5
Wilcoxon-Mann-Whitney Site vs Background Comparison Test for Full Data Sets without NDs
Upper Critical Value (0.975) 201
Approximate P-Value 0.918
Conclusion with Alpha = 0.05
WMW Test U-Stat 141
Lower Critical Value (0.025) 88
Do Not Reject H0, Conclude Site = Background
H0: Mean/Median of Site or AOC = Mean/Median of Background
Site Rank Sum W-Stat 294
SE of Mean 0.0268 0.0269
Wilcoxon-Mann-Whitney (WMW) Test
Median 0.06 0.06
SD 0.111 0.111
Maximum 0.33 0.42
Mean 0.102 0.104
Number of Distinct Observations 13 10
Minimum 0.005 0.005
Raw Statistics
Site Background
Number of Valid Observations 17 17
Alternative Hypothesis Site or AOC Mean/Median Not Equal to Background Mean/Median
Area of Concern Data: PFHpA-MP
Background Data: PFHpA-HS
Confidence Coefficient 95%
Substantial Difference 0
Selected Null Hypothesis Site or AOC Mean/Median Equal to Background Mean/Median (Two Sided Alternative)
User Selected Options
From File WorkSheet.wst
Full Precision OFF
Appendix E - Page E6
Wilcoxon-Mann-Whitney Site vs Background Comparison Test for Full Data Sets without NDs
Upper Critical Value (0.975) 201
Approximate P-Value 0.973
Conclusion with Alpha = 0.05
WMW Test U-Stat 146
Lower Critical Value (0.025) 88
Do Not Reject H0, Conclude Site = Background
H0: Mean/Median of Site or AOC = Mean/Median of Background
Site Rank Sum W-Stat 299
SE of Mean 0.0534 0.0595
Wilcoxon-Mann-Whitney (WMW) Test
Median 0.12 0.13
SD 0.22 0.246
Maximum 0.65 0.84
Mean 0.22 0.231
Number of Distinct Observations 16 16
Minimum 0.005 0.005
Raw Statistics
Site Background
Number of Valid Observations 17 17
Alternative Hypothesis Site or AOC Mean/Median Not Equal to Background Mean/Median
Area of Concern Data: PFOA-MP
Background Data: PFOA-HS
Confidence Coefficient 95%
Substantial Difference 0
Selected Null Hypothesis Site or AOC Mean/Median Equal to Background Mean/Median (Two Sided Alternative)
User Selected Options
From File WorkSheet.wst
Full Precision OFF
Appendix E - Page E7
Wilcoxon-Mann-Whitney Site vs Background Comparison Test for Full Data Sets without NDs
Upper Critical Value (0.975) 201
Approximate P-Value 0.918
Conclusion with Alpha = 0.05
WMW Test U-Stat 141
Lower Critical Value (0.025) 88
Do Not Reject H0, Conclude Site = Background
H0: Mean/Median of Site or AOC = Mean/Median of Background
Site Rank Sum W-Stat 294
SE of Mean 0.101 0.0725
Wilcoxon-Mann-Whitney (WMW) Test
Median 0.23 0.2
SD 0.415 0.299
Maximum 1.6 1.1
Mean 0.36 0.324
Number of Distinct Observations 15 16
Minimum 0.005 0.005
Raw Statistics
Site Background
Number of Valid Observations 17 17
Alternative Hypothesis Site or AOC Mean/Median Not Equal to Background Mean/Median
Area of Concern Data: PFBS-MP
Background Data: PFBS-HS
Confidence Coefficient 95%
Substantial Difference 0
Selected Null Hypothesis Site or AOC Mean/Median Equal to Background Mean/Median (Two Sided Alternative)
User Selected Options
From File WorkSheet.wst
Full Precision OFF
Appendix E - Page E8
Wilcoxon-Mann-Whitney Site vs Background Comparison Test for Full Data Sets without NDs
Upper Critical Value (0.975) 201
Approximate P-Value 1
Conclusion with Alpha = 0.05
WMW Test U-Stat 144
Lower Critical Value (0.025) 88
Do Not Reject H0, Conclude Site = Background
H0: Mean/Median of Site or AOC = Mean/Median of Background
Site Rank Sum W-Stat 297
SE of Mean 0.692 0.574
Wilcoxon-Mann-Whitney (WMW) Test
Median 2.3 2.6
SD 2.852 2.367
Maximum 11 8.9
Mean 3.265 3.043
Number of Distinct Observations 16 17
Minimum 0.03 0.02
Raw Statistics
Site Background
Number of Valid Observations 17 17
Alternative Hypothesis Site or AOC Mean/Median Not Equal to Background Mean/Median
Area of Concern Data: PFHxS-MP
Background Data: PFHxS-HS
Confidence Coefficient 95%
Substantial Difference 0
Selected Null Hypothesis Site or AOC Mean/Median Equal to Background Mean/Median (Two Sided Alternative)
User Selected Options
From File WorkSheet.wst
Full Precision OFF
Appendix E - Page E9
Wilcoxon-Mann-Whitney Site vs Background Comparison Test for Full Data Sets without NDs
Upper Critical Value (0.975) 201
Approximate P-Value 1
Conclusion with Alpha = 0.05
WMW Test U-Stat 144
Lower Critical Value (0.025) 88
Do Not Reject H0, Conclude Site = Background
H0: Mean/Median of Site or AOC = Mean/Median of Background
Site Rank Sum W-Stat 297
SE of Mean 0.073 0.0667
Wilcoxon-Mann-Whitney (WMW) Test
Median 0.14 0.11
SD 0.301 0.275
Maximum 0.98 0.95
Mean 0.282 0.267
Number of Distinct Observations 15 14
Minimum 0.005 0.005
Raw Statistics
Site Background
Number of Valid Observations 17 17
Alternative Hypothesis Site or AOC Mean/Median Not Equal to Background Mean/Median
Area of Concern Data: PFHpS-MP
Background Data: PFHpS-HS
Confidence Coefficient 95%
Substantial Difference 0
Selected Null Hypothesis Site or AOC Mean/Median Equal to Background Mean/Median (Two Sided Alternative)
User Selected Options
From File WorkSheet.wst
Full Precision OFF
Appendix E - Page E10
Wilcoxon-Mann-Whitney Site vs Background Comparison Test for Full Data Sets without NDs
Upper Critical Value (0.975) 201
Approximate P-Value 0.605
Conclusion with Alpha = 0.05
WMW Test U-Stat 129
Lower Critical Value (0.025) 88
Do Not Reject H0, Conclude Site = Background
H0: Mean/Median of Site or AOC = Mean/Median of Background
Site Rank Sum W-Stat 282
SE of Mean 1.622 2.699
Wilcoxon-Mann-Whitney (WMW) Test
Median 5.6 5.2
SD 6.688 11.13
Maximum 21 38
Mean 7.204 10.07
Number of Distinct Observations 16 17
Minimum 0.51 0.25
Raw Statistics
Site Background
Number of Valid Observations 17 17
Alternative Hypothesis Site or AOC Mean/Median Not Equal to Background Mean/Median
Area of Concern Data: PFOS-MP
Background Data: PFOS-HS
Confidence Coefficient 95%
Substantial Difference 0
Selected Null Hypothesis Site or AOC Mean/Median Equal to Background Mean/Median (Two Sided Alternative)
User Selected Options
From File WorkSheet.wst
Full Precision OFF
Appendix E - Page E11
Wilcoxon-Mann-Whitney Site vs Background Comparison Test for Full Data Sets without NDs
Upper Critical Value (0.975) 201
Approximate P-Value 0.744
Conclusion with Alpha = 0.05
WMW Test U-Stat 154.5
Lower Critical Value (0.025) 88
Do Not Reject H0, Conclude Site = Background
H0: Mean/Median of Site or AOC = Mean/Median of Background
Site Rank Sum W-Stat 307.5
SE of Mean 0.113 0.0678
Wilcoxon-Mann-Whitney (WMW) Test
Median 0.23 0.22
SD 0.467 0.28
Maximum 1.8 0.99
Mean 0.429 0.341
Number of Distinct Observations 17 15
Minimum 0.005 0.005
Raw Statistics
Site Background
Number of Valid Observations 17 17
Alternative Hypothesis Site or AOC Mean/Median Not Equal to Background Mean/Median
Area of Concern Data: PFPeS-MP
Background Data: PFPeS-HS
Confidence Coefficient 95%
Substantial Difference 0
Selected Null Hypothesis Site or AOC Mean/Median Equal to Background Mean/Median (Two Sided Alternative)
User Selected Options
From File WorkSheet.wst
Full Precision OFF
Appendix E - Page E12
Wilcoxon-Mann-Whitney Site vs Background Comparison Test for Full Data Sets without NDs
Upper Critical Value (0.975) 201
Approximate P-Value 0.863
Conclusion with Alpha = 0.05
WMW Test U-Stat 139
Lower Critical Value (0.025) 88
Do Not Reject H0, Conclude Site = Background
H0: Mean/Median of Site or AOC = Mean/Median of Background
Site Rank Sum W-Stat 292
SE of Mean 0.0314 0.0279
Wilcoxon-Mann-Whitney (WMW) Test
Median 0.025 0.025
SD 0.129 0.115
Maximum 0.45 0.41
Mean 0.0841 0.0803
Number of Distinct Observations 6 6
Minimum 0.025 0.025
Raw Statistics
Site Background
Number of Valid Observations 17 17
Alternative Hypothesis Site or AOC Mean/Median Not Equal to Background Mean/Median
Area of Concern Data: 6:2 FTS-MP
Background Data: 6:2 FTS-HS
Confidence Coefficient 95%
Substantial Difference 0
Selected Null Hypothesis Site or AOC Mean/Median Equal to Background Mean/Median (Two Sided Alternative)
User Selected Options
From File WorkSheet.wst
Full Precision OFF
Appendix E - Page E13
Wilcoxon-Mann-Whitney Site vs Background Comparison Test for Full Data Sets without NDs
Upper Critical Value (0.975) 190
Approximate P-Value 0.471
Conclusion with Alpha = 0.05
Do Not Reject H0, Conclude Site = Background
Site Rank Sum W-Stat 268.5
WMW Test U-Stat 115.5
Lower Critical Value (0.025) 82
Wilcoxon-Mann-Whitney (WMW) Test
H0: Mean/Median of Site or AOC = Mean/Median of Background
SD 0.00686 0.00846
SE of Mean 0.00166 0.00211
Mean 0.00794 0.0103
Median 0.005 0.005
Minimum 0.005 0.005
Maximum 0.03 0.03
Number of Missing Values 0 1
Number of Distinct Observations 4 5
Raw Statistics
Site Background
Number of Valid Observations 17 16
Alternative Hypothesis Site or AOC Mean/Median Not Equal to Background Mean/Median
Area of Concern Data: 8:2 FTS-MP
Background Data: 8:2 FTS-HS
Confidence Coefficient 95%
Substantial Difference 0
Selected Null Hypothesis Site or AOC Mean/Median Equal to Background Mean/Median (Two Sided Alternative)
User Selected Options
From File WorkSheet.wst
Full Precision OFF
Appendix E - Page E14
Appendix E
Comparison of Hydrasleeve and Low-flow sampling data
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µg/L µg/L µg/L µg/L µg/L µg/L µg/L µg/L µg/L µg/L µg/L µg/L µg/L µg/L µg/L µg/L µg/L µg/L µg/L µg/L µg/L µg/L µg/L µg/L µg/L µg/L µg/L
EQL 0.05 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.05 0.05 0.05 0.05 0.05 0.01 0.05 0.01 0.01
Irrigation3 0.5611 0.0711
Non-potable Domestic 0.5611 0.0711
Maintenance of Ecosystems - Freshwater 95%2 220 0.13
Maintenance of Ecosystems - Freshwater 99%2 194 0.0000234
Maintenance of Ecosystems - Marine 95%1 8500 7.8
Maintenance of Ecosystems - Marine 99%1 3000 0.29
Field ID Location Sample Date
1302_MW145_170901 1302_MW145 Hydrasleeve at 1.5m bWL 01-Sep-17 <0.05 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.02 <0.01 0.25 0.27 <0.01 <0.01 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 <0.05 <0.01 <0.01
1302_145A_170816 1302_MW145 Low-flow at 1 mbWL 16-Aug-17 <0.05 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.03 <0.01 0.51 0.54 <0.01 <0.01 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 <0.05 <0.01 <0.01
1302_145B_170816 1302_MW145 Low-flow at 3 mbWL 16-Aug-17 <0.05 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.03 <0.01 0.3 0.33 <0.01 <0.01 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 <0.05 <0.01 <0.01
1302_145C_170816 1302_MW145 Low-flow at 5 mbWL 16-Aug-17 <0.05 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.03 <0.01 0.31 0.34 <0.01 <0.01 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 <0.05 <0.01 <0.01
1302_201_MW04_170828 1302_201_MW04 Hydrasleeve at 1.5m bWL 28-Aug-17 0.06 0.11 0.29 0.06 0.07 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.15 1.6 0.11 3.8 5.4 <0.01 0.17 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 <0.05 <0.01 <0.01
1302_201_MW04-1_170808 1302_201_MW04 Low-flow at 1 mbWL 08-Aug-17 0.05 0.12 0.28 0.06 0.08 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.13 1.7 0.09 2.8 4.5 <0.01 0.2 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 0.09 <0.01 <0.01
1302_201_MW04-3_170808 1302_201_MW04 Low-flow at 3 mbWL 08-Aug-17 0.06 0.12 0.29 0.06 0.08 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.15 1.8 0.11 2.9 4.7 <0.01 0.22 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 <0.05 <0.01 <0.01
1302_201_MW04-5_170808 1302_201_MW04 Low-flow at 5 mbWL 08-Aug-17 0.06 0.12 0.34 0.06 0.1 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.18 2.2 0.12 3.3 5.5 <0.01 0.26 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 <0.05 <0.01 <0.01
1302_205_MW02_170427 1302_205_MW02 Hydrasleeve at 1.5m bWL 27-Apr-17 <0.3 0.52 2.7 0.42 0.84 <0.3 <0.3 <0.3 <0.3 <0.3 <0.3 1.1 8.9 0.71 38 46.9 <0.3 0.99 <0.3 <0.3 <0.3 <0.3 <0.3 <0.3 0.33 <0.3 <0.3
1302_205_MW02A_20170821 1302_205_MW02 Low-flow at 1 mbWL 21-Aug-17 0.25 0.48 2.3 0.32 0.65 0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.97 7.7 0.8 20 27.7 <0.01 1.2 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 0.38 0.02 <0.01
1302_205_MW02B_20170821 1302_205_MW02 Low-flow at 3 mbWL 21-Aug-17 0.26 0.52 2.4 0.35 0.66 0.02 <0.01 <0.01 <0.01 <0.01 <0.01 1.1 8.6 0.83 21 29.6 <0.01 1.2 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 0.39 0.02 <0.01
1302_MW101_170823 1302_MW101 Hydrasleeve at 1.5m bWL 23-Aug-17 <0.05 0.06 0.3 0.06 0.12 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.14 2 0.09 2.8 4.8 <0.01 0.14 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 <0.05 0.01 <0.01
1302_MW101_A_170810 1302_MW101 Low-flow at 1 mbWL 10-Aug-17 <0.05 0.05 0.2 0.03 0.11 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.12 1.9 0.09 3.3 5.2 <0.01 0.18 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 <0.05 <0.01 <0.01
1302_MW101_B_170810 1302_MW101 Low-flow at 3 mbWL 10-Aug-17 <0.05 0.05 0.2 0.03 0.1 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.12 1.8 0.08 2.6 4.4 <0.01 0.18 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 <0.05 <0.01 <0.01
1302_MW101_C_170810 1302_MW101 Low-flow at 5 mbWL 10-Aug-17 <0.05 0.05 0.19 0.03 0.1 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.12 1.8 0.08 2.7 4.5 <0.01 0.18 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 <0.05 <0.01 <0.01
1302_MW105_170823 1302_MW105 Hydrasleeve at 1.5m bWL 23-Aug-17 <0.05 0.05 0.14 0.03 0.05 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.08 0.92 0.04 1.1 2.02 <0.01 0.09 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 <0.05 <0.01 <0.01
1302_MW105-1_170809 1302_MW105 Low-flow at 1 mbWL 09-Aug-17 <0.05 0.04 0.1 0.02 0.04 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.07 0.91 0.04 1.2 2.11 <0.01 0.11 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 <0.05 <0.01 <0.01
1302_MW105-3_170809 1302_MW105 Low-flow at 3 mbWL 09-Aug-17 <0.05 0.04 0.1 0.02 0.04 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.07 0.96 0.04 1.3 2.26 <0.01 0.1 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 <0.05 <0.01 <0.01
1302_MW105-5_170809 1302_MW105 Low-flow at 5 mbWL 09-Aug-17 <0.05 0.04 0.1 0.02 0.04 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.07 0.86 0.04 1.1 1.96 <0.01 0.11 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 <0.05 <0.01 <0.01
1302_MW109_170829 1302_MW109 Hydrasleeve at 1.5m bWL 29-Aug-17 <0.05 0.07 0.26 0.04 0.08 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.12 1.3 0.11 3.4 4.7 <0.01 0.15 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 0.16 0.01 <0.01
1302_MW109-1_170808 1302_MW109 Low-flow at 1 mbWL 08-Aug-17 <0.05 0.06 0.23 0.03 0.09 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.1 1.4 0.09 2.1 3.5 <0.01 0.16 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 0.15 0.01 <0.01
1302_MW109-3_170808 1302_MW109 Low-flow at 3 mbWL 08-Aug-17 <0.05 0.07 0.26 0.04 0.1 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.11 1.5 0.1 2.3 3.8 <0.01 0.18 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 0.12 0.01 <0.01
1302_MW109-5_170808 1302_MW109 Low-flow at 5 mbWL 08-Aug-17 <0.05 0.07 0.25 0.04 0.1 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.11 1.5 0.09 2.2 3.7 <0.01 0.18 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 0.13 0.01 <0.01
1302_MW118_170829 1302_MW118 Hydrasleeve at 1.5m bWL 29-Aug-17 0.05 0.08 0.41 0.07 0.18 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.27 2.6 0.28 9.8 12.4 <0.01 0.36 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 0.06 <0.01 <0.01
1302_MW118-1_170808 1302_MW118 Low-flow at 1 mbWL 08-Aug-17 0.06 0.1 0.52 0.08 0.26 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.31 4.1 0.26 8.2 12.3 <0.01 0.45 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 0.06 <0.01 <0.01
1302_MW118-3_170808 1302_MW118 Low-flow at 3 mbWL 08-Aug-17 0.06 0.11 0.52 0.09 0.25 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.31 4 0.27 7.9 11.9 <0.01 0.44 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 0.05 <0.01 <0.01
1302_MW118-5_170808 1302_MW118 Low-flow at 5 mbWL 08-Aug-17 0.07 0.1 0.53 0.08 0.24 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.32 4 0.27 9 13 <0.01 0.43 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 <0.05 <0.01 <0.01
1302_MW119_170829 1302_MW119 Hydrasleeve at 1.5m bWL 29-Aug-17 <0.05 0.01 0.04 <0.01 0.02 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.03 0.29 0.02 0.86 1.15 <0.01 0.03 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 <0.05 <0.01 <0.01
1302_MW119-1_170809 1302_MW119 Low-flow at 1 mbWL 09-Aug-17 <0.05 0.01 0.04 <0.01 0.02 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.03 0.37 0.02 0.66 1.03 <0.01 0.04 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 <0.05 <0.01 <0.01
1302_MW119-3_170809 1302_MW119 Low-flow at 3 mbWL 09-Aug-17 <0.05 0.01 0.04 <0.01 0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.02 0.33 0.01 0.55 0.88 <0.01 0.04 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 <0.05 <0.01 <0.01
1302_MW119-5_170809 1302_MW119 Low-flow at 5 mbWL 09-Aug-17 <0.05 <0.01 0.03 <0.01 0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.02 0.3 0.01 0.38 0.68 <0.01 0.03 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 <0.05 <0.01 <0.01
1302_MW123_170828 1302_MW123 Hydrasleeve at 1.5m bWL 28-Aug-17 0.11 0.15 0.74 0.08 0.19 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.72 4.6 0.39 11 15.6 <0.01 0.67 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 <0.05 <0.01 <0.01
1302_MW123A_170817 1302_MW123 Low-flow at 1 mbWL 17-Aug-17 0.12 0.15 0.77 0.09 0.21 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.81 4.8 0.44 11 15.8 <0.01 0.71 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 <0.05 <0.01 <0.01
1302_MW123B_170817 1302_MW123 Low-flow at 3 mbWL 17-Aug-17 0.14 0.19 0.92 0.11 0.24 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.94 6 0.48 15 21 <0.01 0.78 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 <0.05 <0.01 <0.01
1302_MW123C_170818 1302_MW123 Low-flow at 5 mbWL 18-Aug-17 0.14 0.14 0.79 0.1 0.21 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.66 6.8 0.33 13 19.8 <0.01 0.57 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 <0.05 <0.01 <0.01
1302_MW130_170823 1302_MW130 Hydrasleeve at 1.5m bWL 23-Aug-17 0.15 0.26 0.95 0.17 0.34 0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.41 4.2 0.24 9.9 14.1 <0.01 0.39 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 0.07 0.02 <0.01
1302_MW130A_170814 1302_MW130 Low-flow at 1 mbWL 14-Aug-17 0.14 0.18 0.63 0.09 0.2 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.26 2.6 0.2 8.4 11 <0.01 0.29 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 <0.05 0.01 <0.01
1302_MW130B_170814 1302_MW130 Low-flow at 3 mbWL 14-Aug-17 0.12 0.18 0.67 0.09 0.19 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.29 2.9 0.18 6.1 9 <0.01 0.34 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 <0.05 <0.01 <0.01
1302_MW130C_170814 1302_MW130 Low-flow at 5 mbWL 14-Aug-17 0.1 0.15 0.58 0.08 0.15 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.27 2.6 0.12 3.5 6.1 <0.01 0.31 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 <0.05 <0.01 <0.01
1302_MW144A_170815 1302_MW144 Hydrasleeve at 1.5m bWL 15-Aug-17 <0.05 0.06 0.33 0.04 0.09 0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.23 1.9 0.14 3.6 5.5 <0.01 0.26 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 <0.05 <0.01 <0.01
1302_MW144A_170815 1302_MW144 Low-flow at 1 mbWL 15-Aug-17 <0.05 0.06 0.33 0.04 0.09 0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.23 1.9 0.14 3.6 5.5 <0.01 0.26 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 <0.05 <0.01 <0.01
1302_MW144B_170815 1302_MW144 Low-flow at 3 mbWL 15-Aug-17 <0.05 0.06 0.32 0.04 0.09 0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.23 1.9 0.13 3.4 5.3 <0.01 0.26 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 <0.05 <0.01 <0.01
1302_MW144C_170815 1302_MW144 Low-flow at 5 mbWL 15-Aug-17 <0.05 0.06 0.33 0.04 0.08 0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.23 1.9 0.13 3.2 5.1 <0.01 0.26 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 <0.05 <0.01 <0.01
1302_MW148_170901 1302_MW148 Hydrasleeve at 1.5m bWL 01-Sep-17 <0.05 0.07 0.33 0.06 0.13 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.19 2.8 0.22 5.2 8 <0.01 0.3 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 0.06 0.02 <0.01
1302_MW148A_20170824 1302_MW148 Low-flow at 1 mbWL 24-Aug-17 <0.05 0.08 0.34 0.07 0.14 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.2 3.1 0.18 5.7 8.8 <0.01 0.21 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 <0.05 <0.01 <0.01
1302_MW148B_20170824 1302_MW148 Low-flow at 3 mbWL 24-Aug-17 <0.05 0.07 0.31 0.07 0.13 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.2 3 0.16 4.3 7.3 <0.01 0.19 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 <0.05 <0.01 <0.01
1302_MW148C_20170824 1302_MW148 Low-flow at 5 mbWL 24-Aug-17 <0.05 0.07 0.33 0.07 0.14 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.2 3.3 0.16 8 11.3 <0.01 0.21 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 <0.05 <0.01 <0.01
1302_MW156_170905 1302_MW156 Hydrasleeve at 1.5m bWL 05-Sep-17 0.06 0.11 0.45 0.06 0.16 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.25 2.7 0.11 6.5 9.2 <0.01 0.22 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 <0.05 <0.01 <0.01
1302_MW156A_20170823 1302_MW156 Low-flow at 1 mbWL 23-Aug-17 0.06 0.1 0.45 0.05 0.12 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.23 2.3 0.13 5.6 7.9 <0.01 0.23 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 <0.05 <0.01 <0.01
1302_MW156B_20170823 1302_MW156 Low-flow at 3 mbWL 23-Aug-17 0.06 0.1 0.44 0.05 0.1 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.22 2.1 0.1 4 6.1 <0.01 0.23 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 <0.05 <0.01 <0.01
1302_MW156C_20170823 1302_MW156 Low-flow at 5 mbWL 23-Aug-17 0.06 0.1 0.43 0.04 0.07 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.23 1.8 0.06 1.9 3.7 <0.01 0.22 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 <0.05 <0.01 <0.01
1302_MW162_170828 1302_MW162 Hydrasleeve at 1.5m bWL 28-Aug-17 0.16 0.39 2 0.19 0.47 0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.5 5.8 0.62 30 35.8 <0.01 0.61 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 0.41 0.03 <0.01
1302_MW162A_20170821 1302_MW162 Low-flow at 1 mbWL 21-Aug-17 0.16 0.4 2 0.21 0.48 0.02 <0.01 <0.01 <0.01 <0.01 <0.01 0.47 5.3 0.58 21 26.3 <0.01 0.66 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 0.45 0.03 <0.01
1302_MW162B_20170821 1302_MW162 Low-flow at 3 mbWL 21-Aug-17 0.16 0.41 2 0.22 0.49 0.02 <0.01 <0.01 <0.01 <0.01 <0.01 0.48 5.6 0.59 19 24.6 <0.01 0.64 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 0.42 0.02 <0.01
1302_MW172_170829 1302_MW172 Hydrasleeve at 1.5m bWL 29-Aug-17 0.21 0.24 1.4 0.28 0.7 0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.44 5.6 0.95 21 26.6 <0.01 0.66 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 <0.05 <0.01 <0.01
1302_MW172B_170826 1302_MW172 Low-flow at 3 mbWL 26-Aug-17 0.19 0.27 1.6 0.28 0.56 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.45 5.2 0.68 18 23.2 <0.01 0.64 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 <0.05 <0.01 <0.01
1302_MW172C_170826 1302_MW172 Low-flow at 5 mbWL 26-Aug-17 0.19 0.25 1.5 0.27 0.54 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.46 4.7 0.65 19 23.7 0.01 0.6 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 <0.05 <0.01 <0.01
1302_MW190_170905 1302_MW190 Hydrasleeve at 1.5m bWL 05-Sep-17 <0.05 0.04 0.2 0.03 0.06 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.14 1.4 0.05 2.1 3.5 <0.01 0.14 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 <0.05 <0.01 <0.01
1302_MW190A_20170830 1302_MW190 Low-flow at 1 mbWL 30-Aug-17 <0.05 0.06 0.21 0.02 0.05 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.13 1.2 0.07 2.2 3.4 <0.01 0.15 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 <0.05 <0.01 <0.01
1302_MW190B_20170830 1302_MW190 Low-flow at 3 mbWL 30-Aug-17 <0.05 0.05 0.21 0.02 0.06 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.14 1.3 0.09 2.9 4.2 <0.01 0.17 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 <0.05 <0.01 <0.01
1302_MW190C_20170830 1302_MW190 Low-flow at 5 mbWL 30-Aug-17 <0.05 0.04 0.17 0.02 0.04 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.12 0.96 0.05 1.4 2.36 <0.01 0.13 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 <0.05 <0.01 <0.01
1302_234_MW07_170831 1302_234_MW07 Hydrasleeve at 1.5m bWL 31-Aug-17 0.11 0.15 0.69 0.07 0.16 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.43 2.2 0.2 6.7 8.9 <0.01 0.37 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 <0.05 <0.01 <0.01
234_MW07A_20170822 1302_234_MW07 Low-flow at 1 mbWL 22-Aug-17 0.43 0.68 2.5 0.33 0.64 0.01 <0.01 <0.01 <0.01 <0.01 <0.01 1.6 11 0.98 8.2 19.2 <0.01 1.8 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 <0.05 <0.01 <0.01
234_MW07B_20170822 1302_234_MW07 Low-flow at 3 mbWL 22-Aug-17 0.43 0.7 2.5 0.32 0.67 0.02 <0.01 <0.01 <0.01 <0.01 <0.01 1.6 9.9 0.92 20 29.9 <0.01 1.5 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 <0.05 <0.01 <0.01
234_MW07C_20170822 1302_234_MW07 Low-flow at 5 mbWL 22-Aug-17 0.43 0.69 2.6 0.32 0.66 0.01 <0.01 <0.01 <0.01 <0.01 <0.01 1.6 9.5 1 19 28.5 <0.01 1.8 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 <0.05 <0.01 <0.01
RAAF Base Darwin PFAS Investigation
Appendix E - Page E15
Appendix E - Comparison of Hydrasleeve to Low-flow sampling data
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µg/L µg/L µg/L µg/L µg/L µg/L µg/L µg/L µg/L µg/L µg/L µg/L µg/L µg/L µg/L µg/L µg/L µg/L µg/L µg/L µg/L µg/L µg/L µg/L µg/L µg/L µg/L
EQL 0.05 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.05 0.05 0.05 0.05 0.05 0.01 0.05 0.01 0.01
Irrigation3
0.5611
0.0711
Non-potable Domestic 0.5611 0.0711
Maintenance of Ecosystems - Freshwater 95%2 220 0.13
Maintenance of Ecosystems - Freshwater 99%2
194
0.0000234
Maintenance of Ecosystems - Marine 95%1 8500 7.8
Maintenance of Ecosystems - Marine 99%1 3000 0.29
Field ID Location Sample Date
1302_MW145_170901 1302_MW145 01-Sep-17 <0.05 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.02 <0.01 0.25 0.27 <0.01 <0.01 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 <0.05 <0.01 <0.01
1302_145A_170816 1302_MW145 16-Aug-17 <0.05 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.03 <0.01 0.51 0.54 <0.01 <0.01 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 <0.05 <0.01 <0.01
1302_145B_170816 1302_MW145 16-Aug-17 <0.05 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.03 <0.01 0.3 0.33 <0.01 <0.01 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 <0.05 <0.01 <0.01
Relative Percentage Difference - - - - - - - - - - - - 40% - 68% 67% - - - - - - - - - - -
Relative Percentage Difference 18% 20%
1302_201_MW04_170828 1302_201_MW04 28-Aug-17 0.06 0.11 0.29 0.06 0.07 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.15 1.6 0.11 3.8 5.4 <0.01 0.17 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 <0.05 <0.01 <0.01
1302_201_MW04-1_170808 1302_201_MW04 08-Aug-17 0.05 0.12 0.28 0.06 0.08 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.13 1.7 0.09 2.8 4.5 <0.01 0.2 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 0.09 <0.01 <0.01
Relative Percentage Difference 18% 9% 4% 0% 13% - - - - - - 14% 6% 20% 30% 18% - 16% - - - - - - 57% - -
1302_205_MW02_170427 1302_205_MW02 27-Apr-17 <0.3 0.52 2.7 0.42 0.84 <0.3 <0.3 <0.3 <0.3 <0.3 <0.3 1.1 8.9 0.71 38 46.9 <0.3 0.99 <0.3 <0.3 <0.3 <0.3 <0.3 <0.3 0.33 <0.3 <0.3
1302_205_MW02A_20170821 1302_205_MW02 21-Aug-17 0.25 0.48 2.3 0.32 0.65 0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.97 7.7 0.8 20 27.7 <0.01 1.2 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 0.38 0.02 <0.01
Relative Percentage Difference - 8% 16% 27% 26% - - - - - - 13% 14% 12% 62% 51% - 19% - - - - - - 14% - -
1302_MW101_170823 1302_MW101 23-Aug-17 <0.05 0.06 0.3 0.06 0.12 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.14 2 0.09 2.8 4.8 <0.01 0.14 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 <0.05 0.01 <0.01
1302_MW101_A_170810 1302_MW101 10-Aug-17 <0.05 0.05 0.2 0.03 0.11 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.12 1.9 0.09 3.3 5.2 <0.01 0.18 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 <0.05 <0.01 <0.01
Relative Percentage Difference - 18% 40% 67% 9% - - - - - - 15% 5% 0% 16% 8% - 25% - - - - - - - - -
1302_MW105_170823 1302_MW105 23-Aug-17 <0.05 0.05 0.14 0.03 0.05 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.08 0.92 0.04 1.1 2.02 <0.01 0.09 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 <0.05 <0.01 <0.01
1302_MW105-1_170809 1302_MW105 09-Aug-17 <0.05 0.04 0.1 0.02 0.04 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.07 0.91 0.04 1.2 2.11 <0.01 0.11 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 <0.05 <0.01 <0.01
Relative Percentage Difference - 22% 33% 40% 22% - - - - - - 13% 1% 0% 9% 4% - 20% - - - - - - - - -
1302_MW109_170829 1302_MW109 29-Aug-17 <0.05 0.07 0.26 0.04 0.08 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.12 1.3 0.11 3.4 4.7 <0.01 0.15 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 0.16 0.01 <0.01
1302_MW109-1_170808 1302_MW109 08-Aug-17 <0.05 0.06 0.23 0.03 0.09 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.1 1.4 0.09 2.1 3.5 <0.01 0.16 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 0.15 0.01 <0.01
Relative Percentage Difference - 15% 12% 29% 12% - - - - - - 18% 7% 20% 47% 29% - 6% - - - - - - 6% 0% -
1302_MW118_170829 1302_MW118 29-Aug-17 0.05 0.08 0.41 0.07 0.18 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.27 2.6 0.28 9.8 12.4 <0.01 0.36 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 0.06 <0.01 <0.01
1302_MW118-1_170808 1302_MW118 08-Aug-17 0.06 0.1 0.52 0.08 0.26 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.31 4.1 0.26 8.2 12.3 <0.01 0.45 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 0.06 <0.01 <0.01
Relative Percentage Difference 18% 22% 24% 13% 36% - - - - - - 14% 45% 7% 18% 1% - 22% - - - - - - 0% - -
1302_MW119_170829 1302_MW119 29-Aug-17 <0.05 0.01 0.04 <0.01 0.02 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.03 0.29 0.02 0.86 1.15 <0.01 0.03 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 <0.05 <0.01 <0.01
1302_MW119-1_170809 1302_MW119 09-Aug-17 <0.05 0.01 0.04 <0.01 0.02 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.03 0.37 0.02 0.66 1.03 <0.01 0.04 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 <0.05 <0.01 <0.01
Relative Percentage Difference - 0% 0% - 0% - - - - - - 0% 24% 0% 26% 11% - 29% - - - - - - - - -
1302_MW123_170828 1302_MW123 28-Aug-17 0.11 0.15 0.74 0.08 0.19 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.72 4.6 0.39 11 15.6 <0.01 0.67 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 <0.05 <0.01 <0.01
1302_MW123A_170817 1302_MW123 17-Aug-17 0.12 0.15 0.77 0.09 0.21 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.81 4.8 0.44 11 15.8 <0.01 0.71 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 <0.05 <0.01 <0.01
Relative Percentage Difference 9% 0% 4% 12% 10% - - - - - - 12% 4% 12% 0% 1% - 6% - - - - - - - - -
1302_MW130_170823 1302_MW130 23-Aug-17 0.15 0.26 0.95 0.17 0.34 0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.41 4.2 0.24 9.9 14.1 <0.01 0.39 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 0.07 0.02 <0.01
1302_MW130A_170814 1302_MW130 14-Aug-17 0.14 0.18 0.63 0.09 0.2 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.26 2.6 0.2 8.4 11 <0.01 0.29 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 <0.05 0.01 <0.01
Relative Percentage Difference 7% 36% 41% 62% 52% - - - - - - 45% 47% 18% 16% 25% - 29% - - - - - - 33% 67% -
1302_MW144A_170815 1302_MW144 15-Aug-17 <0.05 0.06 0.33 0.04 0.09 0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.23 1.9 0.14 3.6 5.5 <0.01 0.26 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 <0.05 <0.01 <0.01
1302_MW144A_170815 1302_MW144 15-Aug-17 <0.05 0.06 0.33 0.04 0.09 0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.23 1.9 0.14 3.6 5.5 <0.01 0.26 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 <0.05 <0.01 <0.01
Relative Percentage Difference - 0% 0% 0% 0% 0% - - - - - 0% 0% 0% 0% 0% - 0% - - - - - - - - -
1302_MW148_170901 1302_MW148 01-Sep-17 <0.05 0.07 0.33 0.06 0.13 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.19 2.8 0.22 5.2 8 <0.01 0.3 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 0.06 0.02 <0.01
1302_MW148A_20170824 1302_MW148 24-Aug-17 <0.05 0.08 0.34 0.07 0.14 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.2 3.1 0.18 5.7 8.8 <0.01 0.21 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 <0.05 <0.01 <0.01
Relative Percentage Difference - 13% 3% 15% 7% - - - - - - 5% 10% 20% 9% 10% - 35% - - - - - - 18% 67% -
1302_MW156_170905 1302_MW156 05-Sep-17 0.06 0.11 0.45 0.06 0.16 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.25 2.7 0.11 6.5 9.2 <0.01 0.22 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 <0.05 <0.01 <0.01
1302_MW156A_20170823 1302_MW156 23-Aug-17 0.06 0.1 0.45 0.05 0.12 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.23 2.3 0.13 5.6 7.9 <0.01 0.23 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 <0.05 <0.01 <0.01
Relative Percentage Difference 0% 10% 0% 18% 29% - - - - - - 8% 16% 17% 15% 15% - 4% - - - - - - - - -
1302_MW162_170828 1302_MW162 28-Aug-17 0.16 0.39 2 0.19 0.47 0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.5 5.8 0.62 30 35.8 <0.01 0.61 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 0.41 0.03 <0.01
1302_MW162A_20170821 1302_MW162 21-Aug-17 0.16 0.4 2 0.21 0.48 0.02 <0.01 <0.01 <0.01 <0.01 <0.01 0.47 5.3 0.58 21 26.3 <0.01 0.66 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 0.45 0.03 <0.01
Relative Percentage Difference 0% 3% 0% 10% 2% 67% - - - - - 6% 9% 7% 35% 31% - 8% - - - - - - 9% 0% -
1302_MW172_170829 1302_MW172 29-Aug-17 0.21 0.24 1.4 0.28 0.7 0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.44 5.6 0.95 21 26.6 <0.01 0.66 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 <0.05 <0.01 <0.01
1302_MW172B_170826 1302_MW172 26-Aug-17 0.19 0.27 1.6 0.28 0.56 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.45 5.2 0.68 18 23.2 <0.01 0.64 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 <0.05 <0.01 <0.01
Relative Percentage Difference 10% 12% 13% 0% 22% - - - - - - 2% 7% 33% 15% 14% - 3% - - - - - - - - -
1302_MW190_170905 1302_MW190 05-Sep-17 <0.05 0.04 0.2 0.03 0.06 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.14 1.4 0.05 2.1 3.5 <0.01 0.14 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 <0.05 <0.01 <0.01
1302_MW190A_20170830 1302_MW190 30-Aug-17 <0.05 0.06 0.21 0.02 0.05 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.13 1.2 0.07 2.2 3.4 <0.01 0.15 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 <0.05 <0.01 <0.01
Relative Percentage Difference - 40% 5% 40% 18% - - - - - - 7% 15% 33% 5% 3% - 7% - - - - - - - - -
1302_234_MW07_170831 1302_234_MW07 31-Aug-17 0.11 0.15 0.69 0.07 0.16 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.43 2.2 0.2 6.7 8.9 <0.01 0.37 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 <0.05 <0.01 <0.01
234_MW07A_20170822 1302_234_MW07 22-Aug-17 0.43 0.68 2.5 0.33 0.64 0.01 <0.01 <0.01 <0.01 <0.01 <0.01 1.6 11 0.98 8.2 19.2 <0.01 1.8 <0.05 <0.05 <0.05 <0.05 <0.05 <0.01 <0.05 <0.01 <0.01
Relative Percentage Difference 119% 128% 113% 130% 120% - - - - - - 115% 133% 132% 20% 73% - 132% - - - - - - - - -
RAAF Base Darwin PFAS Investigation
Appendix E - Page E16
Appendix F – Site Photographs
Appendix F - Page F1
Photo 01 – Kerb drain south of suspected release area (former Darwin Airport). Dry leave litter present, followed by dry concrete base (no sediment present).
Photo 02 – Biota sampling of Rapid Creek.
Appendix F - Page F2
Photo 03 – Biota sampling of Rapid Creek.
Photo 04 – Sample from 1302_BH105.
Appendix F - Page F3
Photo 05 – collecting soil samples at 1302_BH127
Appendix F - Page F4
Photo 06 – Non Destructive Drilling (NDD) for Boreholes, 1302_BH193.
Appendix F - Page F5
Photo 07 – Monitoring Well installation 1302_MW198.
Appendix F - Page F6
Photo 08 – Potential drainage pit located within the suspected release area (former Darwin airport building). Pit was unable to be opened by field staff.
Appendix F - Page F7
Photo 09 – Stormwater drain release located to the north of current fire training sealed bunded area. Waste water and sediment samples collected.
Photo 10 – Stormwater drain runoff downgradient of drain located to the north of current fire training bunded area. Sediment samples collected.
Appendix F - Page F8
Photo 11 – Stormwater drain located within the sealed bunded zone of the current fire training area. Water sample collected.
Photo 12x – underground tank containing water located to the North West corner of the sealed bunded zone of the current fire training area. Waste water sample collected.
Appendix F - Page F9
Photo 13 – Sump pit located to the north of the pump system at current fire training area. Waste water sample collected.
Photo 14 – Interceptor perimeter surface drains, located at the south of the concrete sealed zone of the MEOMs area. Sampled previously.
Appendix F - Page F10
Photo 15 – Opened pit at north east extent of MEOMS concrete/paved area. Sediment present at base of pit sampled (1302_SD268_170907).
Appendix F - Page F11
Photo 16 – Potential stormwater drain (approx. 100mm diameter) exposed by recent trenching works at south west corner of the sports field near the Married Quarters area.
Appendix F - Page F12
Photo 17 – Opened stormwater pit at the east extent of the Married Quarters in line with a potential stormwater drain leading offsite. Waste water sample collected.
Photo 18 – Open drain west of Hangar 31. Photo facing north. Drainage goes underground at this pit location and extends to the west towards Ludmilla Creek.
Appendix F - Page F13
Photo 19– Sourthern extent of open spoon drain that extends from west of Hangar 31. Photo facing SSW. Drainage goes underground at this pit location and extends to the south initially, before heading west towards Ludmilla Creek. No sediment in the pit.
Photo 20 – Soil bore location BH212. Refusal at 0.2mbgs (hard ground).
Appendix F - Page F14
Photo 21 – Photograph of waste water and soil stored in lined skip in laydown yard
Appendix F - Page F15
Photo 22 – Skip almost at capacity with waste soil from drilling
Photo 23 – Photograph of waste water and soil stored in lined and covered skips and IBCs in laydown yard
Appendix F - Page F16
Photo 24 – Photograph of water sampling hydra sleeve redeployment at 1302_MW156.
Appendix F - Page F17
Photo 25 – Photograph of water sampling bottle setup.
Appendix F - Page F18
Photo 26 – Drill Rig on standby to start 1302_MW123
Appendix F - Page F19
Photo 27 – drill Rig set up to start drilling 1302_MW123.
Appendix F - Page F20
Photo 28 – Setting up exclusion zone around Drill Rig at 1302_MW126.
Photo 29 – Field staff undertaking vertical delineation sampling at 1302_204_MW01
Appendix F - Page F21
Photo 30 – Field staff undertaking vertical delineation sampling at 1302_204_MW01.
Appendix F - Page F22
Photo 31 – Drilling 1302_MW197.
Appendix F - Page F23
Photo 32 – Field staff taking water quality measurements for surface water sampling at Reichardt Creek. Gloves removed to operate IPad and replaced to retrieve water quality probe.
Photo 33 – Drain running along Charles Eaton Drive during heavy wet season rains
Appendix F - Page F24
Photo 34 – Drain at southern end of RAAF Base Darwin, which drains into Sadgrove Creek Catchment
Photo 35 – Drain collecting water flowing from the current fire training area
Appendix F - Page F25
Photo 36 – Surface water flow during heavy rains on RAAF Base Darwin
Photo 37 – Stormwater drain running off the southern end of RAAF Base Darwin Sadgrove Creek Catchment
Appendix F - Page F26
Photo 38 – Photo of a drain on RAAF Base Darwin during the dry season
Photo 39 – Photo of a dry drain along Tiger Brennan Drive during the dry season
Appendix F - Page F27
Appendix GRAAF Base Darwin
DSI PFAS Assessment Groundwater Well Development Details
Department of Defence
754-MELEN199421 1 of 7
Sample IDDate of
InstallationDate of
Development
Top of Well Casing Elevation
(mAHD)
Standing Water Level on
Development (mBTOC)
Total Depth of Well
(mBTOC)
Water Column
Volume Removed (L)
Development MethodScreen Lithology in the Wet Season
Screen Lithology in the Dry Season
Assumed Water Level - End of Wet (mBTOC)
Assumed Water Level - during the
Dry (mBTOC)Comments
MW100 14/06/2017 11/07/2017 19.242 4.16 15.25 11.09 80 Waterra foot valve Sand Clayey Sand 16.5 mAHD - 2.7 (mBTOC) 4.30 Initial 5L removed via bailer before waterra foot value used
MW101 20/06/2017 5/07/2017 19.346 4.79 15.4 10.61 60 Waterra foot valve Clay Sand 16.5 mAHD- 2.8 (mBTOC) 4.90 Initial 5L removed via bailer before waterra foot value used
MW102 21/06/2017 5/07/2017 19.58 4.87 15.9 11.03 60 Waterra foot valve Sand Sand 17 mAHD - 2.58 (mBTOC) 4.87 Initial 5L removed via bailer before waterra foot value used
MW103 19/06/2017 11/07/2017 19.549 4.36 13.91 9.55 70 Waterra foot valve Rock - crushed rock presenting o Sandy Gravel 17.5 mAHD - 2.4 (mBTOC) 4.20 Initial 5L removed via bailer before waterra foot value used
MW104 21/06/2017 6/07/2017 16.971 2.30 14.8 12.50 75 Bailer Sandy Gravel Clayey Gravel 16 mAHD - 0.90 (mBTOC) 2.48 Metal bailer used to remove water
MW105 21/06/2017 6/07/2017 17.439 2.70 15.8 13.10 70 Bailer Sand Clay 16 mAHD - 1.43 (mBTOC) 3.10 Metal bailer used to remove water
MW106 22/06/2017 6/07/2017 17.695 3.97 15 11.03 66 Bailer Sand Clay 16 mAHD - 1.69 (mBTOC) 4.37 Metal bailer used to remove water
MW107 22/06/2017 5/07/2017 21.941 4.77 15.7 10.93 60 Bailer Sand Sand 18 mAHD - 3.94 (mBTOC) 5.26 Metal bailer used to remove water
MW108 23/06/2017 4/07/2017 23.646 5.92 15.93 10.01 50 Waterra foot valuve Gravelly Sand Silt 19.5 mAHD - 4.14 (mBTOC) 6.36Initial 5L removed via bailer before waterra foot value used. Well slower recharge
MW109 23/06/2017 4/07/2017 24.017 5.92 15.93 10.01 54 Waterra foot valuve Ferricrete Ferricrete 19.5 mAHD - 4.52 (mBTOC) 6.47 Initial 5L removed via bailer before waterra foot value used
MW110 22/06/2017 4/07/2017 24.613 6.28 16.2 9.92 45 Bailer Gravel Sand 20 mAHD - 4.61 (mBTOC) 6.67Initial 5L removed via bailer before waterra foot value used. Well went dry
MW111 27/06/2017 4/07/2017 25.422 6.98 15.83 8.85 50 Waterra foot valuve Gravelly Sane Sand 20.5 mAHD - 4.92 (mBTOC) 7.44 Initial 5L removed via bailer before waterra foot value used
MW112 24/06/2017 24/06/2017 26.971 NR 14.9 NR >50 Bailer Gravelly Sand Siltstone 23.5 mAHD - 3.47 (mBTOC) 7.65 Developed on installation (limited access due to Airside restrictions)
MW113 24/06/2017 24/06/2017 27.4 NR 15.13 NR >50 Bailer Sand Gravelly Sand 23.5 mAHD - 3.90 (mBTOC) 9.21 Developed on installation (limited access due to Airside restrictions)
MW114 24/06/2017 24/06/2017 29.225 NR 15.1 NR >50 Bailer Sand Sand 23.5 mAHD - 5.72 (mBTOC) 7.85 Developed on installation (limited access due to Airside restrictions)
MW115 24/06/2017 3/08/2017 32.407 8.55 14.9 6.35 80 Super twister pump Sand Gravelly Sand 24.5 mAHD - 7.91 (mBTOC) 8.54 Initial 5L removed via bailer before super twister pump used
MW116 24/06/2017 3/08/2017 32.184 7.85 14.9 7.05 70 Super twister pump Siltstone Siltstone 25 mAHD - 7.41 (mBTOC) 8.43 Initial 5L removed via bailer before super twister pump used
MW117 24/06/2017 3/08/2017 31.506 7.95 15.2 7.25 100 Super twister pump Sand Sand 25 mAHD - 6.51 (mBTOC) 8.40 Initial 5L removed via bailer before super twister pump used
MW118 26/06/2017 4/07/2017 25.579 7.15 15.96 8.81 48 Waterra foot valuve Sand Silty Sand 20.5 mAHD - 5.08 (mBTOC) 7.53 Initial 5L removed via bailer before waterra foot value used
MW119 26/06/2017 4/07/2017 20.757 8.00 15.02 7.02 40 Bailer Sand Siltstone 18 mAHD - 2.76 (mBTOC) 4.93 Interface probe malfuntion
MW120 28/06/2017 4/07/2017 22.617 6.20 15.83 9.63 50 Bailer Clayey Sand Siltstone 19.5 mAHD - 2.76 (mBTOC) 7.17 Metal bailer used to remove water
MW121 27/06/2017 5/07/2017 25.898 7.41 15.71 8.30 42 Bailer Gravelly Sand Siltstone 21 mAHD - 4.89 (mBTOC) 7.99 Metal bailer used to remove water
Appendix GRAAF Base Darwin
DSI PFAS Assessment Groundwater Well Development Details
Department of Defence
754-MELEN199421 2 of 7
Sample IDDate of
InstallationDate of
Development
Top of Well Casing Elevation
(mAHD)
Standing Water Level on
Development (mBTOC)
Total Depth of Well
(mBTOC)
Water Column
Volume Removed (L)
Development MethodScreen Lithology in the Wet Season
Screen Lithology in the Dry Season
Assumed Water Level - End of Wet (mBTOC)
Assumed Water Level - during the
Dry (mBTOC)Comments
MW122 3/07/2017 5/07/2017 31.678 9.52 15.8 6.28 35 Bailer Ferricrete Siltstone 26 mAHD - 5.67 (mBTOC) 10.70 Metal bailer used to remove water
MW123 3/07/2017 11/07/2017 30.874 8.99 15.75 6.76 48 Super twister pump Siltstone Siltstone 26 mAHD - 4.87 (mBTOC) 10.20 Initial 5L removed via bailer before super twister pump used
MW124 3/07/2017 19/07/2017 31.753 11.49 15.9 4.41 15 Super twister pump Siltstone Siltstone 26 mAHD - 5.75 (mBTOC) 12.48 Initial 5L removed via bailer before super twister pump used
MW125 28/06/2017 20/07/2017 15.981 2.99 14.58 11.59 72 Super twister pump Sandy Gravel Gravelly Sand 15.5 mAHD - 0.48 (mBTOC) 3.20 Initial 5L removed via bailer before super twister pump used
MW126 29/06/2017 20/07/2017 15.277 2.45 14.32 11.87 78 Waterra foot valuve Siltstone Clayey Gravel 15.5 mAHD 2.98
MW127 29/06/2017 26/08/2017 16.2 NR 11.98 NR >50 Super twister pump Sandy Gravel Gravelly Sand 15.5 mAHD - 0.70 (mBTOC) 3.76>50L removed. Bore went dry after development of first well volume. Groundwater recgarged and bore was further developed.
MW128 29/06/2017 20/07/2017 11.394 2.35 15.3 12.95 78 Waterra foot valuve Siltstone Fill 15 mAHD 2.51
MW129 30/06/2017 1/08/2017 17.559 3.20 15.12 11.92 86 Super twister pump Clayey Gravel Clayey Gravel 16 mAHD - 1.55 (mBTOC) 3.27Initial 5L removed via bailer before super twister pump used. Well turbid and went dry
MW130 30/06/2017 6/07/2017 17.613 3.22 15.41 12.19 63 Bailer Fill Fill 16 mAHD - 1.61 (mBTOC) 3.19 Metal bailer used to remove water
MW131 3/07/2017 19/07/2017 22.35 5.50 13.2 7.70 Waterra foot valuve Siltstone Siltstone 17.5 mAHD - 4.85 (mBTOC) 5.84
MW132 14/07/2017 19/07/2017 23.63 7.35 13 5.65 20 Waterra foot valuve Silty Gravel Siltstone 19.5 mAHD - 4.13 (mBTOC) 7.82 Purged dry
MW133 4/07/2017 27/07/2017 30.902 10.36 15.82 5.46 60 Waterra foot valuve Ferricrete Silty Gravel 25 mAHD - 5.90 (mBTOC) 11.25Initial 5L removed via bailer before waterra foot value used. Well went dry
MW134 4/07/2017 27/07/2017 30.999 10.23 15.8 5.57 30 Waterra foot valuve Silty Gravel Siltstone 25.5 mAHD - 5.49 (mBTOC) 11.10Initial 5L removed via bailer before waterra foot value used. Well went dry
MW135 5/07/2017 2/08/2017 25.006 4.67 15.91 11.24 62 Super twister pump Clayey Gravel Gravelly Siltstone 23.5 mAHD - 1.49 (mBTOC) 4.95Initial 5L removed via bailer before super twister pump used. Well turbid and went dry
MW136 5/07/2017 17/07/2017 24.894 4.20 15.76 11.56 66 Waterra foot valuve Gravelly Sand Siltstone 23 mAHD - 1.89 (mBTOC) 4.66
MW137 5/07/2017 18/07/2017 27.356 5.95 15.8 9.85 55 Waterra foot valuve Sandy Gravel Siltstone 25 mAHD - 2.35 (mBTOC) 7.96
MW138 6/07/2017 18/07/2017 27.761 5.71 15.83 10.12 60 Waterra foot valuve Gravelly Sand Siltstone 25.5 mAHD - 2.61 (mBTOC) 7.22
MW139 6/07/2017 18/07/2017 28.548 6.18 16.11 9.93 56 Waterra foot valuve Clay Siltstone 26 mAHD - 2.55 (mBTOC) 7.27
MW140 6/07/2017 18/07/2017 29.925 9.87 16.04 6.17 21 Waterra foot valuve Ferricrete Siltstone 26 mAHD - 3.93 (mBTOC) 10.93 Ran dry, PVC casing loose
MW141 7/07/2017 18/07/2017 30.097 8.29 16.23 7.94 52 Waterra foot valuve Gravelly Sand Silty Gravel 26 mAHD - 4.037 (mBTOC) 9.21
MW142 7/07/2017 19/07/2017 31.508 3.00 16.26 13.26 15 Waterra foot valuve Ferricrete Siltstone 26 mAHD - 5.51 (mBTOC) 12.56 Purged dry
MW143 10/07/2017 19/07/2017 30.368 9.11 15.76 6.65 45 Waterra foot valuve Gravelly Sand Sandy Gravel 26 mAHD - 4.37 (mBTOC) 9.80 Still turbid
Appendix GRAAF Base Darwin
DSI PFAS Assessment Groundwater Well Development Details
Department of Defence
754-MELEN199421 3 of 7
Sample IDDate of
InstallationDate of
Development
Top of Well Casing Elevation
(mAHD)
Standing Water Level on
Development (mBTOC)
Total Depth of Well
(mBTOC)
Water Column
Volume Removed (L)
Development MethodScreen Lithology in the Wet Season
Screen Lithology in the Dry Season
Assumed Water Level - End of Wet (mBTOC)
Assumed Water Level - during the
Dry (mBTOC)Comments
MW144 10/07/2017 20/07/2017 30.686 9.16 15.96 6.80 36 Waterra foot valuve Gravel Claystone Gravel Claystone 25.5 mAHD - 5.17 (mBTOC) 9.25
MW145 10/07/2017 28/07/2017 7.423 3.45 12.3 8.85 70 Waterra foot valuveGroundwater level at end of wet season to be determined
Clayey Gravel - 3.36Initial 5L removed via bailer before waterra foot value used. Well still turbid
MW146 11/07/2017 28/07/2017 14.051 4.31 12.97 8.66 55 Waterra foot valuveGroundwater level at end of wet season to be determined
Silty Clay - 4.25Initial 5L removed via bailer before waterra foot value used. Well slightly turbid
MW147 11/07/2017 28/07/2017 10.153 3.63 12.9 9.27 65 Waterra foot valuveGroundwater level at end of wet season to be determined
Clayey Siltstone - 3.85Initial 5L removed via bailer before waterra foot value used. Well still turbid
MW148 11/07/2017 28/07/2017 12.156 3.26 12.9 9.64 50 Waterra foot valuveGroundwater level at end of wet season to be determined
Clayey Siltstone - 3.14Initial 5L removed via bailer before waterra foot value used. Went dry and still turbid
MW149 11/07/2017 28/07/2017 13.123 3.52 12.3 8.78 50 Waterra foot valuveGroundwater level at end of wet season to be determined
Siltstone - 4.10Initial 5L removed via bailer before waterra foot value used. Turbid and went dry
MW150 12/07/2017 28/07/2017 10.229 2.53 12.28 9.75 60 Waterra foot valuveGroundwater level at end of wet season to be determined
Ferricrete - 2.96 Initial 5L removed via bailer before waterra foot value used. Still turbid
MW151 12/07/2017 1/08/2017 14.429 7.45 13.23 5.78 32 Super twister pumpGroundwater level at end of wet season to be determined
Ferricrete - 7.84Initial 5L removed via bailer before super twister pump used. Well turbid and went dry
MW152 13/07/2017 1/08/2017 15.401 7.70 13 5.30 22 Super twister pumpGroundwater level at end of wet season to be determined
Siltstone 17.5 mAHD 10.41Initial 5L removed via bailer before super twister pump used. Well turbid and went dry
MW153 13/07/2017 1/08/2017 20.607 8.37 12.98 4.61 26 Super twister pump Sandy Gravel Siltstone 19.5 mAHD - 1.01 (mBTOC) 9.06Initial 5L removed via bailer before super twister pump used. Well turbid and went dry
MW154 13/07/2017 1/08/2017 25.465 10.14 13 2.86 22 Super twister pump Ferricrete/Claystone Claystone 21.5 mAHD - 3.97 (mBTOC) 11.60 Initial 5L removed via bailer before super twister pump used. Well clear
MW155 14/07/2017 1/08/2017 22.644 11.95 13.2 1.25 <1 Super twister pump Sandy Gravel Siltstone 20.5 mAHD - 2.14 (mBTOC) 12.15Initial 5L removed via bailer before super twister pump used. Well turbid and went dry
MW156 13/07/2017 2/08/2017 23.043 3.68 12.77 9.09 80 Super twister pump Gravelly Sand Gravelly Sand 22 mAHD - 1.04 (mBTOC) 4.19Initial 5L removed via bailer before super twister pump used. Well turbid and went dry
MW157 17/07/2017 25/07/2017 29.13 7.40 15.49 8.09 76 Super twister pumpGroundwater level at end of wet season to be determined
Siltstone - 7.94 Initial 5L removed via bailer before super twister pump used. Ran clear
MW158 17/07/2017 25/07/2017 34.9 7.60 12.42 4.82 96 Super twister pumpGroundwater level at end of wet season to be determined
Grvelly Gravel - 4.79 Initial 5L removed via bailer before super twister pump used. Ran clear
MW161 18/07/2017 27/07/2017 30.538 10.21 15.28 5.07 40 Waterra foot valuve Siltstone Siltstone 25 mAHD - 5.54 (mBTOC) 11.80 Water went from turbid to clear milky
MW162 18/07/2017 27/07/2017 30.915 10.53 15.9 5.37 55 Waterra foot valuve Siltstone Siltstone 25 mAHD - 5.92 (mBTOC) 11.49Initial 5L removed via bailer before waterra foot value used. Turbid to clear
MW163 19/07/2017 27/07/2017 31.064 10.45 15.69 5.24 40 Waterra foot valuve Siltstone Siltstone 25 mAHD - 6.06 (mBTOC) 11.32Initial 5L removed via bailer before waterra foot value used. Milky to clear
MW164 19/07/2017 27/07/2017 30.934 10.08 15.73 5.65 55 Waterra foot valuve Siltstone Siltstone 25 mAHD - 5.93 (mBTOC) 10.92Initial 5L removed via bailer before waterra foot value used. Turbid to clear
MW165 19/07/2017 27/07/2017 30.785 9.66 15.7 6.04 55 Waterra foot valuve Siltstone Siltstone 25 mAHD - 5.79 (mBTOC) 10.36 Initial 5L removed via bailer before waterra foot value used.
MW166 20/07/2017 27/07/2017 30.522 9.32 14.8 5.48 10 Waterra foot valuve Clayey Sand Siltstone 25 mAHD - 5.52 (mBTOC) 10.10 Initial 5L removed via bailer before waterra foot value used. Went dry
MW167 20/07/2017 27/07/2017 31.692 10.60 15.7 5.10 55 Waterra foot valuve Siltstone Siltstone 25.5 mAHD - 6.19 (mBTOC) 11.64 Initial 5L removed via bailer before waterra foot value used. Went dry
Appendix GRAAF Base Darwin
DSI PFAS Assessment Groundwater Well Development Details
Department of Defence
754-MELEN199421 4 of 7
Sample IDDate of
InstallationDate of
Development
Top of Well Casing Elevation
(mAHD)
Standing Water Level on
Development (mBTOC)
Total Depth of Well
(mBTOC)
Water Column
Volume Removed (L)
Development MethodScreen Lithology in the Wet Season
Screen Lithology in the Dry Season
Assumed Water Level - End of Wet (mBTOC)
Assumed Water Level - during the
Dry (mBTOC)Comments
MW168 21/07/2017 2/08/2017 29.407 8.69 15.78 7.09 32 Super twister pump Siltstone Siltstone 25 mAHD - 4.41 (mBTOC) 8.75Initial 5L removed via bailer before super twister pump used. Clear and went dry
MW169 21/07/2017 2/08/2017 29.249 8.61 15.69 7.08 43 Super twister pump Siltstone Siltstone 25 mAHD - 4.25 (mBTOC) 9.10Initial 5L removed via bailer before super twister pump used. Turbid and went dry
MW170 24/07/2017 2/08/2017 28.638 8.40 15.25 6.85 31 Super twister pump Siltstone Siltstone 25 mAHD - 3.63 (mBTOC) 8.87Initial 5L removed via bailer before super twister pump used. Clear and went dry
MW171 24/07/2017 2/08/2017 28.95 8.57 15.22 6.65 27 Super twister pump Siltstone Siltstone 25 mAHD - 3.95 (mBTOC) 9.80Initial 5L removed via bailer before super twister pump used. Clear and went dry
MW172 25/07/2017 2/08/2017 29.038 8.55 15.1 6.55 24 Super twister pump Siltstone Siltstone 25 mAHD - 4.03 (mBTOC) 8.90Initial 5L removed via bailer before super twister pump used. Clear and went dry
MW173 25/07/2017 24/08/2017 14.321 3.20 - - >50 Super twister pumpGroundwater level at end of wet season to be determined
Siltstone 16.5 mAHD - (mBTOC) 3.40>50L removed. Bore went dry after development of first well volume. Groundwater recgarged and bore was further developed.
MW174 25/07/2017 1/08/2017 27.383 13.20 16.2 3.00 10 Super twister pump Siltstone Siltstone 23 mAHD - 4.38 (mBTOC) 14.97Initial 5L removed via bailer before super twister pump used. Turbid and went dry
MW175 26/07/2017 14/08/2017 8.675 1.96 12.21 10.25 >50 Super twister pumpGroundwater level at end of wet season to be determined
Clayey Gravel - 1.96>50L removed. Bore went dry after development of first well volume. Groundwater recgarged and bore was further developed.
MW176 27/07/2017 14/08/2017 18.739 4.77 12.31 7.54 >50 Super twister pumpGroundwater level at end of wet season to be determined
Clayey Gravel - 4.77>50L removed. Bore went dry after development of first well volume. Groundwater recgarged and bore was further developed.
MW177 27/07/2017 14/08/2017 21.315 3.76 11.82 8.06 >50 Super twister pumpGroundwater level at end of wet season to be determined
Siltstone - 3.76>50L removed. Bore went dry after development of first well volume. Groundwater recgarged and bore was further developed.
MW178 27/07/2017 14/08/2017 19.73 7.27 12.13 4.86 >50 Super twister pumpGroundwater level at end of wet season to be determined
Siltstone - 7.27>50L removed. Bore went dry after development of first well volume. Groundwater recgarged and bore was further developed.
MW179 31/07/2017 14/08/2017 21.415 11.30 12.12 0.82 >50 Super twister pumpGroundwater level at end of wet season to be determined
Siltstone - 11.30>50L removed. Bore went dry after development of first well volume. Groundwater recgarged and bore was further developed.
MW180 31/07/2017 14/08/2017 29.056 11.15 15.2 4.05 >50 Super twister pumpGroundwater level at end of wet season to be determined
Silty Gravel - 11.15>50L removed. Bore went dry after development of first well volume. Groundwater recgarged and bore was further developed.
MW181 31/07/2017 14/08/2017 15.588 4.27 12.12 7.85 >50 Super twister pumpGroundwater level at end of wet season to be determined
Clay - 4.27>50L removed. Bore went dry after development of first well volume. Groundwater recgarged and bore was further developed.
MW182 1/08/2017 15/08/2017 4.527 2.10 11.89 9.79 >50 Super twister pumpGroundwater level at end of wet season to be determined
Clayey Gravel - 2.10>50L removed. Bore went dry after development of first well volume. Groundwater recgarged and bore was further developed.
MW183 1/08/2017 15/08/2017 4.476 1.93 8.3 6.37 >50 Super twister pumpGroundwater level at end of wet season to be determined
Gravelly Sand - 1.93>50L removed. Bore went dry after development of first well volume. Groundwater recgarged and bore was further developed.
MW184 1/08/2017 15/08/2017 10.249 4.70 12.01 7.31 >50 Super twister pumpGroundwater level at end of wet season to be determined
Silt - 4.70>50L removed. Bore went dry after development of first well volume. Groundwater recgarged and bore was further developed.
MW185 1/08/2017 15/08/2017 5.823 3.49 12.21 8.72 >50 Super twister pumpGroundwater level at end of wet season to be determined
Clay - 3.49>50L removed. Bore went dry after development of first well volume. Groundwater recgarged and bore was further developed.
MW186 4/08/2017 14/08/2017 8.513 4.36 12 7.64 >50 Super twister pumpGroundwater level at end of wet season to be determined
Silt - 4.36>50L removed. Bore went dry after development of first well volume. Groundwater recgarged and bore was further developed.
MW187 2/08/2017 15/08/2017 3.698 4.36 11.92 7.56 >50 Super twister pumpGroundwater level at end of wet season to be determined
Clay - 1.83>50L removed. Bore went dry after development of first well volume. Groundwater recgarged and bore was further developed.
MW188 3/08/2017 15/08/2017 6.054 1.83 12.2 10.37 >50 Super twister pumpGroundwater level at end of wet season to be determined
Siltstone - 3.35>50L removed. Bore went dry after development of first well volume. Groundwater recgarged and bore was further developed.
MW189 4/08/2017 15/08/2017 9.431 3.35 13.12 9.77 >50 Super twister pumpGroundwater level at end of wet season to be determined
Gravelly Sand - 5.52>50L removed. Bore went dry after development of first well volume. Groundwater recgarged and bore was further developed.
Appendix GRAAF Base Darwin
DSI PFAS Assessment Groundwater Well Development Details
Department of Defence
754-MELEN199421 5 of 7
Sample IDDate of
InstallationDate of
Development
Top of Well Casing Elevation
(mAHD)
Standing Water Level on
Development (mBTOC)
Total Depth of Well
(mBTOC)
Water Column
Volume Removed (L)
Development MethodScreen Lithology in the Wet Season
Screen Lithology in the Dry Season
Assumed Water Level - End of Wet (mBTOC)
Assumed Water Level - during the
Dry (mBTOC)Comments
MW190 4/08/2017 15/08/2017 11.342 5.52 NR NR >50 Super twister pumpGroundwater level at end of wet season to be determined
Clayey Gravel - 4.35>50L removed. Bore went dry after development of first well volume. Groundwater recgarged and bore was further developed.
MW191 3/08/2017 15/08/2017 10.909 4.35 12.8 8.45 >50 Super twister pumpGroundwater level at end of wet season to be determined
Siltstone - 5.42>50L removed. Bore went dry after development of first well volume. Groundwater recgarged and bore was further developed.
MW192 7/08/2017 15/08/2017 12.418 5.42 12.57 7.15 >50 Super twister pumpGroundwater level at end of wet season to be determined
Gravelly Sand - 1.96>50L removed. Bore went dry after development of first well volume. Groundwater recgarged and bore was further developed.
MW193 7/08/2017 15/08/2017 13.14 1.96 12.59 10.63 >50 Super twister pumpGroundwater level at end of wet season to be determined
Siltstone - 3.06>50L removed. Bore went dry after development of first well volume. Groundwater recgarged and bore was further developed.
MW194 7/08/2017 15/08/2017 18.238 3.06 12.82 9.76 >50 Super twister pumpGroundwater level at end of wet season to be determined
Siltstone - 3.31>50L removed. Bore went dry after development of first well volume. Groundwater recgarged and bore was further developed.
MW195 11/08/2017 15/08/2017 16.738 3.31 12.42 9.11 >50 Super twister pumpGroundwater level at end of wet season to be determined
Clayey Gravel - 2.43>50L removed. Bore went dry after development of first well volume. Groundwater recgarged and bore was further developed.
MW196 8/08/2017 15/08/2017 11.969 2.43 13.21 10.78 >50 Super twister pumpGroundwater level at end of wet season to be determined
Siltstone - 5.92>50L removed. Bore went dry after development of first well volume. Groundwater recgarged and bore was further developed.
MW197 10/08/2017 25/08/2017 26.195 5.92 15.3 9.38 >50 Super twister pumpGroundwater level at end of wet season to be determined
Clay - 14.20>50L removed. Bore went dry after development of first well volume. Groundwater recgarged and bore was further developed.
MW198 10/08/2017 25/08/2017 21.995 14.2 15.21 1.01 >50 Super twister pumpGroundwater level at end of wet season to be determined
Siltstone - 14.56>50L removed. Bore went dry after development of first well volume. Groundwater recgarged and bore was further developed.
MW199 11/08/2017 15/08/2017 29.64 14.56 14.97 0.41 >50 Super twister pumpGroundwater level at end of wet season to be determined
Siltstone - 6.40>50L removed. Bore went dry after development of first well volume. Groundwater recgarged and bore was further developed.
MW200 17/08/2017 18/08/2017 26.233 6.4 12.12 5.72 >50 Super twister pumpGroundwater level at end of wet season to be determined
Siltstone - 6.30>50L removed. Bore went dry after development of first well volume. Groundwater recgarged and bore was further developed.
MW201 17/08/2017 19/08/2017 5.923 6.3 8.03 1.73 >50 Super twister pumpGroundwater level at end of wet season to be determined
Gravelly Sand - 2.86>50L removed. Bore went dry after development of first well volume. Groundwater recgarged and bore was further developed.
MW202 18/08/2017 20/08/2017 14.94 1.52 12 10.48 >50 Super twister pumpGroundwater level at end of wet season to be determined
Gravelly Sand 15.5 mAHD 2.78>50L removed. Bore went dry after development of first well volume. Groundwater recgarged and bore was further developed.
MW203 24/08/2017 26/08/2017 21.368 NR 10.2 NR >50 Super twister pumpGroundwater level at end of wet season to be determined
Sandy Gravel 22 mAHD 1.52>50L removed. Bore went dry after development of first well volume. Groundwater recgarged and bore was further developed.
MW204 24/08/2017 24/08/2017 22.539 NR 17.5 NR >50 Super twister pumpGroundwater level at end of wet season to be determined
Siltstone 20.5 mAHD ->50L removed. Bore went dry after development of first well volume. Groundwater recgarged and bore was further developed.
018_MW02 - - 19.36 - - - - Not developed unknown unknown 1.927 mBTOC -
201_MW04 28/02/2012 - 26.317 - - - - Not developed Siltstone Siltstone 1.89 mBTOC 8.41
204_MW03 26/06/2006 - 31.740 - - - - Not developed unknown unknown 5.23 mBTOC 8.59
204_MW04 26/06/2006 - 31.410 - - - - Not developed unknown unknown 4.93 mBTOC 8.94
205_MW01 28/02/2012 - 31.603 - - - - Not developed Siltstone Siltstone 6.59 mBTOC 12.23
205_MW05 26/06/2006 - 31.790 - - - - Not developed Greywacke Greywacke 4.63 mBTOC 10.36
206_MW02 28/02/2012 - 29.400 - - - - Not developed Siltstone Siltstone 4.93 mBTOC 9.37
Appendix GRAAF Base Darwin
DSI PFAS Assessment Groundwater Well Development Details
Department of Defence
754-MELEN199421 6 of 7
Sample IDDate of
InstallationDate of
Development
Top of Well Casing Elevation
(mAHD)
Standing Water Level on
Development (mBTOC)
Total Depth of Well
(mBTOC)
Water Column
Volume Removed (L)
Development MethodScreen Lithology in the Wet Season
Screen Lithology in the Dry Season
Assumed Water Level - End of Wet (mBTOC)
Assumed Water Level - during the
Dry (mBTOC)Comments
206_MW04 26/06/2006 - 29.540 - - - - Not developed Greywacke Greywacke 5.00 mBTOC 9.70
206_MW06 26/06/2006 - 29.500 - - - - Not developed Greywacke Greywacke 4.21 mBTOC 9.54
207_MW03 26/06/2006 - 31.567 - - - - Not developed Clay Siltstone 1.73 mBTOC 11.74
207_MW04 26/06/2006 - 32.044 - - - - Not developed Greywacke Greywacke 6.25 mBTOC 11.52
207_MW05 26/06/2006 - 31.940 - - - - Not developed Greywacke Greywacke 2.83 mBTOC 11.52
221_MW02 26/06/2006 - 31.790 - - - - Not developed Shale Sandy Clay 5.12 mBTOC 11.53
222_MW01 26/06/2006 - 24.850 - - - - Not developed Siltstone Silty Clay 6.07 mBTOC 12.56
222_MW02 26/06/2006 - 20.681 - - - - Not developed unknown unknown 3.56 mBTOC 10.56
222_MW03 26/06/2006 - 24.818 - - - - Not developed unknown unknown 4.26 mBTOC 11.66
229_MW01 28/02/2012 - 18.890 - - - - Not developed Gravelly Clay Silty Claystone 17.5 mAHD - 1.39 (mBTOC) 14.98
229_MW02 28/02/2012 - 23.072 - - - - Not developed Silty Clay Silty Claystone 1.91 mBTOC 12.98
232_MW02 28/02/2012 - 17.322 - - - - Not developed Fill Silty Clay unknown 4.26 mBTOC unknown
234_MW01 26/06/2006 - 30.741 - - - - Not developed Silty Clay Sandy Siltstone 5.23 mBTOC 12.05
234_MW03 28/02/2012 - 29.800 - - - - Not developed Silty Clay Clayey Siltstone 5.18 mBTOC 9.03
234_MW04 28/02/2012 - 29.997 - - - - Not developed Silty Clay Clayey Siltstone 4.46 mBTOC 9.20
234_MW06 28/02/2012 - 27.798 - - - - Not developed Gravelly Clay Clay 1.96 mBTOC 7.60
234_MW07 28/02/2012 - 27.160 - - - - Not developed unknown unknown 6.73 mBTOC 6.68
241_MW02 - - 27.550 - - - - Not developed Greywacke Greywacke 2.12 mBTOC 6.98
242_MW01 - - 27.080 - - - - Not developed Greywacke Greywacke 6.54 mBTOC 15.19
242_MW02 - - 27.070 - - - - Not developed Greywacke Greywacke 23 mAHD - 4.07 (mBTOC) 15.38
242_MW03 26/06/2006 - - - - - Not developed Greywacke Greywacke 2.83 mBTOC 15.21
243_MW02 26/06/2006 - 25.600 - - - - Not developed Greywacke Greywacke 2.89 mBTOC 13.80
Appendix GRAAF Base Darwin
DSI PFAS Assessment Groundwater Well Development Details
Department of Defence
754-MELEN199421 7 of 7
Sample IDDate of
InstallationDate of
Development
Top of Well Casing Elevation
(mAHD)
Standing Water Level on
Development (mBTOC)
Total Depth of Well
(mBTOC)
Water Column
Volume Removed (L)
Development MethodScreen Lithology in the Wet Season
Screen Lithology in the Dry Season
Assumed Water Level - End of Wet (mBTOC)
Assumed Water Level - during the
Dry (mBTOC)Comments
243_MW03 26/06/2006 - 25.010 - - - - Not developed Greywacke Greywacke 2.33 mBTOC 14.14
441_MW01 - - 17.810 - - - - Not developed unknown unknown 2.97 mBTOC 4.62
502_TP01 - - 21.890 - - - - Not developed unknown unknown 3.55 mBTOC 9.37
507_MW01 - - 24.040 - - - - Not developed unknown unknown 3.41 mBTOC 7.38
ASMW01 - - 27.100 - - - - Not developed unknown unknown 1.94 mBTOC -
ASMW02 - - 27.100 - - - - Not developed unknown unknown 1.84 mBTOC 7.19
DARMW01 - - 20.186 - - - - Not developed Siltstone Siltstone 3.28 mBTOC 10.75
DARMW04 - - 14.690 - - - - Not developed Siltstone Clay 2.34 mBTOC 11.98
GMW03 - - - - - - - Not developed unknown unknown 5.07 mBTOC 11.10