Inkerman Landfill PFAS detection 2020/21
Cleanaway Inkerman Landfill Risk Assessment
Groundwater
Inkerman 1: 21/10/2020 – Upper Quaternary Aquifer 6.2 FTS 0.15 ug/l
Inkerman 2: 20/10/2020 – Upper Quaternary Aquifer PFBA 0.20ug/l
Inkerman W 36: 20/4/2020 – PFPeA 0.05ug/l, PFHxA 0.02 ug/l
Inkerman W 36: 19/4/2020 – PFPeA 0.03 ug/l
Leachate ug/L
LP1 7/10/21 – PFBS 17.3, PFPeS 1.52, PFHxS 5.32, PFOS 0.19, PFBA 2.1, PFPeA 15.5, PFHxA 24.1, PFHpA 3.18, PFOA 1.39, Sum of PFASs 71.6, PFHxS+PFOS 5.51, PFASs WA DER LIST 70.1
LP1 7/10/21 (Sump) – PFBS 0.73, PFPeS 0.32, PFHxS 1.98, PFOS 0.12, PFPeA 0.235, PFHxA 3.12, PFHpA 0.53, PFOA 0.51, 6:2 FTS 0.13, Sum of PFASs 9.79, PFHxS+PFOS 2.1, PFASs WA DER LIST 9.47
LP2 7/10/21 – PFBS 158, PFPeS 5.42, PFHxS 6.32, PFBA 317, PFPeA 73.8, PFHxA 77.3, PFHpA 2.21, Sum of PFASs 640, PFHxS+PFOS 6.32, PFASs WA DER LIST 635
LP2 8/10/21 (Sump) – PFBS 1.14, PFPeS 0.47, PFHxS 2.38, PFOS 0.48, PFPeA 0.15, PFHxA 3, PFHpA 0.58, PFOA 0.79, 6:2 FTS 0.18, PFHpS 0.15, PFNA 0.74, Sum of PFASs 9.26, PFHxS+PFOS 2.86, PFASs WA DER LIST 8.7
Stormwater ug/L
SBC 7/19/21 – PFBS 0.07, PFHxS 0.04, PFOS 0.04, PFPeA 0.03, PFHxA 0.04, PFOA 0.02, Sum of PFASs 0.24, PFHxS+PFOS 0.08, PFASs WA DER LIST 0.24
INKERMAN: 2022/ 2023 Groundwater, Leachate and Stormwater Monitoring Event Annual Report Document HC-2023-01 Version 1.0
Land & Water Consulting [LWC])
Appendix A: Extract PFSASs
Groundwater μg/L
Inkerman 1: 21/10/2020 – Upper Quaternary Aquifer 6.2 FTS 0.15μg/L
Inkerman 2 W1: 20/10/2020 – Upper Quaternary Aquifer PFBA 0.20μg/L
Inkerman W 36: 20/4/2020 – PFPeA 0.05ug/l, PFHxA 0.02μg/L
Inkerman W 36: 19/4/2020 – PFPeA 0.03μg/L
Inkerman W 36 6/4/2022 PFPeA 0.03μg/L
Leachate μg/L
LP1
21/4/20: PFBS 3.36, PFPeS 0.09, PFHxS 0.35, PFOS 0.04, PFPeA 5.81, PFHxA 3.78, PFHpA 0.17, PFOA 0.1, 6.:2 FTS 0.07, Sum PFAs 13.8, PFHxA + PFOS 0.39, WA DER List 13.7.
LP1
20/10/20: PFBS 9.26, PFPeS 0.93, PFHxS 4.12, PFOS 0.16, PFBA 34.0, PFPeA 13.4, PFHxA 18.1, PFHpA 2.2, PFOA 1.28, 6:2 FTS 0.5, Sum of PFASs 84, PFHxS+PFOS 4.28, PFASs WA DER LIST 83.
LP1
7/10/21: PFBS 17.3, PFPeS 1.52, PFHxS 5.32, PFOS 0.19, PFBA 2.1, PFPeA 15.5,
PFHxA 24.1, PFHpA 3.18, PFOA 1.39, Sum of PFASs 71.6, PFHxS+PFOS 5.51, PFASs WA DER LIST 70.1
LP1
5/4/22: PFBS 56.8, PFPeS 5.28, PFHxS 11.4, PFHpS 0.26, PFOS 0.63, PFBA 5.1,
PFPeA 13.3, PFHxA 40.7, PFHpA 4.99, PFOA 3.08, PFNA 0.05, 4:2 FTS 0.08, 6:2 FTS 9.57, Sum of PFASs 151, PFHxS+PFOS 12, PFASs WA DER LIST 146
LP1
18/10/22: PFBS 14.7, PFPeS 1.87, PFHxS 8.12, PFHpS 0.87. PFOS 10.3, PFPeA 4.27, PFHxA 9.69.PFHpA 0.94,PFOA 1.38, PFNA 0.07, 4:2 FTS 0.07, 6:2 FTS 3.44, 8:2 FTS 0.21. Sum of PFASs 55.9, PFHxS+PFOS 18.4, PFASs WA DER LIST 53
LP1
26/4/23: PFBS 48, PFPeS 7.8, PFHxS 16.5, PFHpS 0.6, PFOS 4.48, PFBA 0.4, PFPeA 5.98, PFHxA 40.7, PFHpA 5.88, PFOA 2.87, PFNA 0.05, 4:2 FTS 0.2, 6:2 FTS
6:2 FTS 6.4, 8:2 FTS 0.06, Sum of PFASs 140 , PFHxS+PFOS 21, PFASs WA DER LIST 131
LP1 (Sump)
21/10/20: PFBS 0.3, PFPeS 0.06, PFHxS 0.88, PFOS 1.31, PFBA 0.8, PFPeA
1.29, PFHxA 1.94, PFHpA 0.38, PFOA 0.81, PFNA 0.06, PFDA 0.04, 6:2 FTS 0.17,
Sum of PFASs 8.1, PFHxS+PFOS 2.19, PFASs WA DER LIST 7.88.
LP1 (Sump)
8/10/21: PFBS 0.73, PFPeS 0.32, PFHx,S 1.98, PFOS 0.12, PFPeA 2.35,
PFHxA 3.12, PFHpA 0.53, PFOA 0.51, 6:2 FTS 0.13, Sum of PFASs 9.79, PFHxS+PFOS 2.1, PFASs WA DER LIST 9.47
LP1 (Sump )
5/4/22-PFBS 0.68, PFPeS 0.29, PFHxS 1.86, PFHpS 0.05, PFOS 0.43, PFPeA
1.11,PFHxA 2.73, PFHpA 0.54, PFOA 0.81, PFNA 0.04, 6:2 FTS 0.34,
Sum of PFASs 8.88, PFHxS+PFOS 2.29, PFASs WA DER LIST 8.5.
LP1 (Sump)
18/10/22: PFBS 21.2, PFPeS 3.19, PFHxS 8.72, PFHpS 0.55, PFOS 5.04,
PFPeA 2.01, PFHxA 10.4, PFHpA 1.3, PFOA 1.17, 4:2 FTS 0.09, 6:2 FTS 3.43, 8:2 FTS 0.06, Sum of PFASs 57.2 , PFHxS+PFOS 13.8, PFASs WA DER LIST 53.3.
LP1 (Sump)
26/4/23: PFBS 25, PFPeS 2.79, PFHxS 7.71,PFHpS 0.26, PFOS 2.5, PFPeA
1.28, PFHxA 11.4, PFHpA 1.6, PFOA 0.76, PFNA 0.04, 4:FTS 0.26, 6:2 FTS 3.82,
Sum of PFASs 57.4, PFHxS+PFOS 10.2 , PFASs WA DER LIST 54.1.
LP2
21/10/20: PFBS 86.7, PFPeS 9.59,PFHxS 22, PFHpS 0.3,PFOS 4.16, PFBA 53.6,
PFPeA 24.2, PFHxA 49.9, PFHpA 4.12, PFOA 2.96, 6 :2 FTS 10.5, Sum of PFASs 269, PFHxS+PFOS 26.16 , PFASs WA DER LIST 259.
LP2
7/10/21: PFBS 158, PFPeS 5.42, PFHxS 6.32, PFBA 317, PFPeA 73.8, PFHxA 77.3,
PFHpA 2.21, Sum of PFASs 640, PFHxS+PFOS 6.32, PFASs WA DER LIST 635
LP2 5/4/22- PFBS 137, PFPeS 15.3,PFHxS 9.17, PFHpS 0.33, PFOS 2.02, PFBA 5.2, PFPeA 9.43. PFHxA 64.9, PFHpA 2.71, PFOA 0.74, 4:2 FTS 0.8, 6:2 FTS 5.32. Sum of PFASs 257 , PFHxS+PFOS 11.2 , PFASs WA DER LIST 241
LP2
18/10/22: PFBS 115,PFPeS 8.8, PFHxS 2.42, PFOS 0.64, PFPeA 0.26, PFHxA 26.9,
PFHpA 1.64, PFOA 0.14, 4:2 FTS 0.8, 6:2 FTS 0.68, Sum of PFASs 156, PFHxS+PFOS 3.06 , PFASs WA DER LIST 148.
LP2
26/4/23: PFBS 87.1, PFPeS 4.92, PFHxS 3.87, PFHpS 0,12, PFOS 1.14, PFBA 0.3,
PFPeA 0.67, PFHxA 20.7,PFHpA 1.47, PFOA 0.35, 4:2 FTS 0.223, 6:2 FTS 1.81, Sum of PFASs 122 , PFHxS+PFOS 4.97 , PFASs WA DER LIST 117
LP2 (Sump)
6/5/20: PFBS 36.4, PFPeS 4.29, PFHxS 7.52, PFOS 1.06, PFBA 1.5, PFPeA 1.45, PFHxA 14,PFHpA 2.61, PFOA 0.95, 4:2 FTS 0.12, 6:FTS 3.66, Sum of PFASs
73.6, PFHxS+PFOS 8.58 , PFASs WA DER LIST 69.2.
LP2 (Sump)
21/10/20: PFBS 50.8, PFPeS 4.16, PFHxS 8.95, PFHpS 0.27, PFOS 4.74, PFBA
36.4, PFPeA 10.4, PFHxA 25.5, PFHpA 2.3, PFOA 1.3, 4:2 FTS 0.2, 6:2 FTS 4.78, Sum of PFASs 150, PFHxS+PFOS 13.7 , PFASs WA DER LIST 145
LP2 (Sump)
8/10/21: PFBS 1.14, PFPeS 0.47, PFHxS 2.38, PFOS 0.48, PFPeA 0.15, PFHxA 3, PFHpA 0.58, PFOA 0.79, PFNA 0.04, 6:2 FTS 0.18, PFHpS 0.15, PFNA 0.74, Sum of PFASs 9.26, PFHxS+PFOS 2.86, PFASs WA DER LIST 8.7
LP2 (Sump)
5/4/22: PFBS 54.8, PFPeS 19.7, PFHxS 34.3, PFHpS 2.58, PFOS 13.8, PFPeA
2.6, PFHxA 34.8, PFHpA 4.92, PFOA 3.55, PFNA 0.09, 4:2 FTS 0.3 , 6:2 FTS 18.2, 8:2FTS 0.07 Sum of PFASs 190, PFHxS+PFOS 48.1, PFASs WA DER LIST 167
LP2 (Sump)
18/10/22: PFBS 20, PFPeS 2.12, PFHxS 4.66, PFHpS 0.31, PFOS 2.5, PFPeA
1.62, PFHxA 8.6, PFHpA 0.74, PFOA 0.54, 4:2 FTS 0.08, 6:2 FTS 1.67, Sum of PFASs 42.8, PFHxS+PFOS 7.16 , PFASs WA DER LIST 40.3.
LP2 (Sump)
26/4/23: PFBS 28.9, PFPeS 3.42, PFHxS 9.97. PFHpS 0.14, PFOS 0.73, PFPeA
0.79, PFHxA 12.6, PFHpA 1.83, PFOA 0.72, 4:2 FTS 0.21, 6:2 FTS 4.5, Sum of PFASs 63.8, PFHxS+PFOS 10.7 , PFASs WA DER LIST 60.
LP2 Top (Unfiltered)
7/10/21: PFBS 80.6, PFPeS 5.57, PFHxS 2.01, PFOS 0.14, PFPeA
0.37, PFHxA 20.5, PFHpA 1.36, PFOA 0.11, 6:2 FTS 0.54, Sum of PFASs 111 , PFHxS+PFOS 2.15 , PFASs WA DER LIST 106
LP2 Mid (Unfiltered)
7/10/21: PFBS 88.6, PFPeS 4.74, PFHxS 1.86 , PFOS 0.14, PFPeA
0.18, PFHxA 24.6, PFHpA 1.16, PFOA 0.11, 6:2 FTS 0.53,
Sum of PFASs 122 , PFHxS+PFOS 2.0 , PFASs WA DER LIST 117.
LP2 Bot (Unfiltered)
7/10/21- PFBS 81.9, PFPeS 5.01, PFHxS 2.2 , PFOS 0.12, PFPeA 0.19, PFHxA 21.3, PFHpA 1.2, PFOA 0.1, 6:2 FTS 0.56, Sum of PFASs 112 , PFHxS+PFOS 2.24 , PFASs WA DER LIST 107
Leachate TOPA μg/L
LP1
21/4/20: PFBS 26.4, PFPeS 1.81, PFHxS 4, PFOS 0.37, PFBA 236, PFPeA 62.1,
PFHxA 39.3,PFHpA 2.15, PFOA 1.26,Sum PFASs 373, PFHxS +PFOS 4.37.
LP2 5/4/22- PFBS 183,PFPeS 9,PFHxS 2.4, PFBA 501,PFPeA 116, PFHxA 123, PFHpA 2.1,Sum PFASs 936 , PFHxS + PFOS 2.4
LP2 (Sump)
6/5/20: PFBS 42.4, PFPeS 6.06, PFHxS 8.24, PFOS 1.09,PFPeA 36.4, PFHxA
2.7,PFOA 1, 6:2 FTS 0.27, Sum PFAS 116 PFHxS + PFOS 9.33.
LP2 TOP (unfiltered)
7/10/21: PFBS 185, PFPeS 6.06, PFHxS 3.2, PFBA 510, PFPeA 120, PFHxA 124, PFHpA 2.5, Sum PFASs 955. PFHxS +PFOS 3.2.
LP2 MID (Unfiltered)
7/10/21: PFBS 178, PFPeS 8.8, PFHxS 2,5,PFBA 501, PFPeA 121, PFHxA 122, PFHpA 1.9, Sum PFASs 935. PFHxS +PFOS 2.5
LP2 BOT (Unfiltered)
7/10/21: PFBS 184, PFPeS 9.7, PFHxS 2,8,PFBA 500, PFPeA 119, PFHxA 126, PFHpA 2.4, Sum PFASs 944. PFHxS +PFOS 2.8
Stormwater μg/L
SBC 7/19/21: PFBS 0.07, PFHxS 0.04, PFOS 0.04, PFPeA 0.03, PFHxA 0.04, PFOA 0.02, Sum of PFASs 0.24, PFHxS+PFOS 0.08, PFASs WA DER LIST 0.24
SWUP1
26/4/23: PFBS 23.2, PFPeS 3.06. PFHxS 8.48, PFHpS 0.22, PFOS 1.9, PFBA 0.3,
PFPeA 1.36. PFHxA 11.1,PFHpA 1.53, PFOA 0.72, 4:2FTS 0.24, 6:2 FTS 3.92,
Sum of PFASs 56 PFHxS+PFOS 10.4, PFASs WA DER LIST 52.5
SWUP1
26/4/23: PFBS 33, PFPeS 5.5. PFHxS 13, PFHpS 0.6, PFOS 6.3, PFBA 6.7,
PFPeA 9. PFHxA 20,PFHpA 2.5, PFOA 2.3, PFNA 0.05 , 4:2FTS 0.16, 6:2 FTS 10,
Sum of PFASs 128.11, PFHxS+PFOS 19.3 , PFASs WA DER LIST 102.8