Site remediation

In December 2022, the EPA entered into an Environment Performance Agreement (the Agreement) with Renewal SA and MAB for the gasworks site. The Agreement requires MAB to engage an EPA-accredited site contamination auditor to complete a site contamination audit. The auditor is overseeing and reviewing the assessment and remediation undertaken at the site and will confirm that the remediation undertaken has made the land suitable for the proposed use.

The Agreement allows the EPA to maintain regulatory involvement in the assessment and remediation of site contamination at the site. Milestones under the Agreement are to:

• Confirm the nature and extent of site contamination
• Identify and assess any potential risks to human health and the environment
• Develop and execute a site remediation plan
• Validate the suitability of the site for the proposed land use
• Address any residual site contamination through the development of a site management plan as necessary
• Provide sufficient information to enable the auditor to prepare a site contamination audit report.

In August 2023, the auditor prepared interim audit advice which endorsed the remediation proposed in a site remediation plan. Following the EPA’s acceptance of the interim audit advice, remediation commenced at the site.

Site remediation is being undertaken by MAB’s remediation contractor, Enviropacific. Remediation works are expected to be completed by November 2024. A site contamination audit report will be prepared by the site contamination auditor.