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PFAS

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Per- and Poly Fluoryl Alky Substances (PFAS) are a group of emerging contaminants which have gained significant media and public attention due to their widespread use and potential risks to human health and the environment. Predominantly found in Aqueous Fire Fighting Foams (AFFF) which have seen high intensity use on Defence, airport and fire-fighting sites, PFAS are also used extensively in the manufacturing and industrial sectors, and may also be found at landfills and within industrial estates.

These compounds persist in the environment, are highly mobile and bioaccumulate, making them exceptionally difficult to remove from the environment. The PFAS assessment guidelines are constantly changing as new data becomes available. As such, there are very few industry experts with enough experience to undertake site assessment and remediation, and provide strategic advice to assist proponents to successfully navigate management of this complex issue.

We have substantial experience at a national level in navigating the assessment and management of PFAS and are PFAS subject matter experts having worked on several major and high-profile projects where PFAS is the primary contaminant of concern, as well as being responsible for the environmental management of construction projects where PFAS occurs.

We have also undertaken many years of successful research and development into PFAS remediation technologies. We have developed extensive intellectual property and currently hold a range of patents for methods to treat PFAS in soil and water which are now commercially available.

Our range of PFAS services include:

  • Preparation of PFAS-specific sampling, analysis and quality plans, including site-specific sampling methodologies for soil, sediment, water, and biota.

  • Detailed PFAS conceptual site modelling.

  • Analytical laboratory selection, procurement and quality control data assessment.

  • Preparation of detailed site investigation reports.

  • Tier 2 and 3 quantitative human and ecological risk assessments.

  • PFAS remedial action plans.

  • PFAS soil and water management plans.

  • PFAS remediation options appraisal.

  • PFAS remediation cost appraisal and cost-benefit analysis.

  • Design, construct, operate and maintain PFAS remediation solutions for soil, sediment, surface water, groundwater and concrete.

  • Compliance monitoring for PFAS during works and post-works closure reporting.