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In 2018 Defence entered into a collaborative arrangement with Ventia to trial a soil treatment technology it had been developing. This trial included the design, operation and maintenance of a PFAS soil treatment plant at RAAF Base Edinburgh.
In total, the plant treated over 10,000 tonnes of PFAS impacted soil from RAAF Base Edinburgh, and 1,500 tonnes transported from RAAF Base Williamtown.
The plant successfully removed 90% of PFAS mass from clayey soil and 98% of PFAS mass from sandy soil. 99% of the soil treated from Edinburgh was reused onsite.
The soil treatment plant worked by washing the contaminated soil in a solution which removes the PFAS. The concentrated PFAS removed was then sent off-site for management or destruction at a licensed facility.
Soil stabilisation trials have also been completed at the base, in partnership with the University of Adelaide. The trials found stabilisation is an effective method of reducing off-base migration of PFAS, by limiting the movement of PFAS from impacted soils into surrounding groundwater and surface water systems.
The Water Sampling Summaries track the PFAS concentrations against the limits defined by the relevant adopted drinking water screening criteria. They include results for perfluorooctanoic acid (PFOA) and the sum of perfluorooctane sulfonic acid (PFOS) and perfluorohexane sulfonic acid (PFHxS).
The water quality data is drawn from water samples on both untreated and treated water. The summaries of water sampling results can be downloaded below.
The Water Sampling Summaries track the PFAS concentrations against the limits defined by the relevant adopted drinking water screening criteria. They include results for perfluorooctanoic acid (PFOA) and the sum of perfluorooctane sulfonic acid (PFOS) and perfluorohexane sulfonic acid (PFHxS).
The water quality data is drawn from water samples on both untreated and treated water. The summaries of water sampling results can be downloaded below.
The Water Sampling Summaries track the PFAS concentrations against the limits defined by the relevant adopted drinking water screening criteria. They include results for perfluorooctanoic acid (PFOA) and the sum of perfluorooctane sulfonic acid (PFOS) and perfluorohexane sulfonic acid (PFHxS).
The water quality data is drawn from water samples on both untreated and treated water. The summaries of water sampling results can be downloaded below.
The Water Sampling Summaries track the PFAS concentrations against the limits defined by the relevant adopted drinking water screening criteria. They include results for perfluorooctanoic acid (PFOA) and the sum of perfluorooctane sulfonic acid (PFOS) and perfluorohexane sulfonic acid (PFHxS).
The water quality data is drawn from water samples on both untreated and treated water. The summaries of water sampling results can be downloaded below.
The Water Sampling Summaries track the PFAS concentrations against the limits defined by the relevant adopted drinking water screening criteria. They include results for perfluorooctanoic acid (PFOA) and the sum of perfluorooctane sulfonic acid (PFOS) and perfluorohexane sulfonic acid (PFHxS).
The water quality data is drawn from water samples on both untreated and treated water. The summaries of water sampling results can be downloaded below.
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