McLaren Vale Landfill: Groundwater, Surface water, leachate monitoring 2022-23
Groundwater
MB01 North Western Corner of Site
13/09/2022: PFHxS + PFOS 0.04 ug/l
MB01A
13/09/2022: PFHxS + PFOS 0.04 ug/l
MB01B
13/09/2022: PFHxS + PFOS 0.05 ug/l
MB01C
13/09/2022: PFHxS + PFOS 0.02 ug/l
MB01 North Western Corner of Site
16/11/2022: PFHxS + PFOS 0.02 ug/l
MB02 Northern Portion of Site
13/09/2022: PFHxS + PFOS 0.02 ug/l
MB05 Western Site Boundary
13/09/2022: PFHxS + PFOS 0.04 ug/l
Leachate
ST1 Stage 1 leachate Sump
13/09/2022: Sum PFAS 8.23 ug/l, PFHxS+PFOS 0.67 ug/l
27/09/2023: Sum PFAS 10.05 ug/l, PFHxS+PFOS 2.15 ug/l
ST2 Stage 2 leachate Sump
13/09/2022: Sum PFAS 9.72 ug/l, PFHxS+PFOS 1.25 ug/l
27/09/2023: Sum PFAS 28.17 ug/l, PFHxS+PFOS 5 ug/l
STG 1 + 2 Leachate Evaporation Ponds
13/09/2022: Sum PFAS 8.96 ug/l, PFHxS+PFOS 0.48 ug/l
27/09/2023: Sum PFAS 15.3 ug/l, PFHxS+PFOS 0.67 ug/l
STG 1 + 2 Leachate Holding Ponds
13/09/2022: Sum PFAS 4.34 ug/l, PFHxS+PFOS 0.51 ug/l
7/09/2023: Sum PFAS 4.53 ug/l, PFHxS+PFOS 0.22 ug/l
Leachate: Total Oxidizable Precursors Analysis (TOPA)
ST1 Stage 1 leachate Sump
27/09/2023: Sum PFAS, 11.44 ug/l, PFHxS+PFOS 2.27 ug/l
ST2 Stage 2 leachate Sump
27/09/2023: Sum PFAS, 33.09 ug/l, PFHxS+PFOS 8.8 ug/l
STG + 2 Leachate Evaporation Ponds
27/09/2023: Sum PFAS, 15.32 ug/l, PFHxS+PFOS 0.69 ug/l
STG1+ 2 Leachate Holding Ponds
27/09/2023: Sum PFAS, 5.58 ug/l, PFHxS+PFOS 0.6 ug/l