2019: Kewdale (Western Australia) approx location Site G19
PFAS in Groundwater
May 2019: 4 PFAS chemicals detected. PFOS detected at 8.7 times the 99% ecological default guideline value.
November 2019: 7 PFAS chemicals detected. PFOS detected at 14.3 times the 99% ecological default guideline value.
For more information: Perfluoroalkyl and polyfluoroalkyl substances (PFAS) in the Perth metropolitan area
Ambient concentrations in surface water and groundwater
November 2022
PFOS 99% ecological default guideline value: 0.00023ug/L