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