REFERENCE DOCUMENTS - RAL25/0004 (As Published)

                Table 8: AEC Details
                  AEC                      Identified from       Potential for Contamination                               Potential Contaminants of Concern (PCOC)
          1       Northern night soil      Available desktop     Disposal of nightsoil, bottles, and any other co-         Wastes (as placed or due to subsequent migration) with
                  and bottles              assessment and        mingled wastes with medium potential to cause             unacceptable aesthetics including potential for regulated or
                  disposal area            site walkover         additional impact, primarily to underlying natural        non-inert physical wastes such as asbestos, nightsoil and
                                           (noted features or    soils.                                                    chemical or other containers, and interspersed soil
                                           interpolated areas)                                                             impacted by various materials or chemicals, primarily being:
                                                                                                                           •   Heavy metals (including arsenic, cadmium, chromium,
                                                                                                                               copper, lead, nickel, mercury and zinc)
                                                                                                                           •   Petroleum hydrocarbons (TRH/BTEXN)
                                                                                                                           •   Organochloride and Organophosphorus Pesticides
                                                                                                                               (OCP/OPP)
                                                                                                                           •   Asbestos in soil or as bulk waste materials.
          2       Southern rubbish                               Disposal of general rubbish primarily over the            Low potential for organic landfill leachate or biogas
                  disposal area                                  southern portion of the site with high potential to       generation, with higher potential for inorganic leachates.
                                                                 cause additional impact, primarily to underlying
                                                                 natural soils and the fill/soil interface that may have   Lower potential for soil to be impacted by pathogens or
                                                                 perched groundwater.                                      other chemicals such as polyaromatic hydrocarbons (PAH),
                                                                                                                           polychlorinated biphenyls (PCB), semi volatile organic
                                                                                                                           substances (SVOC) and per- and polyfluoroalkyl
                                                                                                                           substances (PFAS).
          3       Groundwater,                                   Historical landfilling - the potential for wastes to interact and migrate with groundwater or surface stormwater flows
                  surface water and                              cannot be ruled out, in particular from the presence of any groundwater perched in or at the base of the waste
                  associated                                     profile.
                  springs
                                                                 Cemetery - there is potential for any cemetery impact (primarily nutrients, pathogens, metals and SVOC) to
                                                                 migrate onto the subject site via perched or deeper groundwater.




     125 Lot 105 SP118458 Cooroy DSI 12062024 Rev0                                                                                             Lot 105 SP118458, Cooroy, QLD, 4563
     12/06/2024                                                                          29                                                 Detailed Site Contamination Investigation
Document Set ID: 23717062
Version: 0, Version Date: 01/01/1900