REFERENCE DOCUMENTS - RAL25/0004 (As Published)

                      1.3   Develop/refine the CSM, including a              The CSM is presented in Section 5.
                            summary of the exposure scenarios.
                      1.4   Specify the available resources and              Noosa Council commissioned Environmental
                            constraints, such as relevant deadlines for      Advisors on 19/12/22 to perform the PSI that
                            the study, budget, availability of personnel     was updated to a statutory CLID along with a
                            and schedule.                                    SAQP for the DSI on 20/9/23 (Order
                                                                             NC036819). The DSI was commissioned under
                                                                             Order NC037488 in accordance with our tender
                                                                             submission and subsequent fee proposal dated
                                                                             27/3/24.
                      2     Identify the goals of the study – identify the principal study question(s), identify potential
                            alternative actions with implications, and combine these to make statements on the decision
                            problem.
                      2.1   Identify the principal study question(s).        The primary question to be answered by the DSI
                                                                             is:

                                                                             To what extent is soil and fill, and possibly
                                                                             groundwater, surface water or air within the soil
                                                                             and above the site (LFG) unacceptably
                                                                             impacted from previous site or surrounding
                                                                             activities, including the landfilling of wastes and
                                                                             the adjacent upgradient cemetery?
                      2.2   Identify the alternative outcomes or actions     There is currently a requirement under any
                            that could result from resolution of the         future land use scenario for some form of
                            principal study question(s).                     remediation to occur due to the impacted soil
                                                                             and fill identified by the PSI.

                                                                             Resolution of the principal study question, to the
                                                                             satisfaction of regulatory requirements and
                                                                             Council’s risk appetite, will allow appropriate
                                                                             remediation actions to occur in response to the
                                                                             known, and remaining potential for, various
                                                                             contaminated media.
                      2.3   For decision problems, combine the principal     A DSI is required to further assess known and
                            study questions and the alternative actions      potential contamination risks to soil, fill, water
                            into decision statements.                        and from LFG to enable remediation and
                                                                             removal of the site (or portion thereof) from the
                                                                             EMR to allow the proposed development (or any
                                                                             other land use) to proceed.
                      3     Identify information inputs – identify the information needed to formulate and investigate the
                            problem and confirm that appropriate sampling and analytical methods are available.
                      3.1   Identify the information that will be required   Desktop assessment to establish environmental
                            to resolve the decision statements/              setting and identify nature of AECs (determine
                            estimation, including existing information       potential for contamination impact).
                            and new environmental data, and identify         Field work observations – soil logs and field
                            the sources for each item of information         sheets from the limited PSI.
                            required.
                                                                             Results of field observations, monitoring or
                                                                             laboratory analysis for soil, fill, water and LFG
                                                                             compared to guideline criteria provided in the
                                                                             NEPM or other relevant guidance.


        125 Lot 105 SP118458 Cooroy DSI 12062024 Rev0                                                 Lot 105 SP118458, Cooroy, QLD, 4563
        12/06/2024                                                      33                         Detailed Site Contamination Investigation
Document Set ID: 23717062
Version: 0, Version Date: 01/01/1900