Reference Document - Geotechnical Investigation Report MCU25/0053 & OPW25/0074

    Page                        : 6 of 6
    Work Order                  : EB2503423
    Client                      : PTG Consulting Pty Ltd
    Project                     : PTG/01608 7 Noosa Pde

     Analytical Results
     Sub-Matrix: SOIL                                                           Sample ID      BH4 3.0 - 3.25      BH4 3.25 - 3.5      BH4 4.25 - 4.5       ----      ----
     (Matrix: SOIL)
                                                                       Sampling date / time   23-Jan-2025 00:00   23-Jan-2025 00:00   23-Jan-2025 00:00     ----       ----
      Compound                                         CAS Number     LOR          Unit        EB2503423-016       EB2503423-017       EB2503423-018      --------   --------
                                                                                                   Result               Result             Result           ----       ----

      EA033-A: Actual Acidity
        pH KCl (23A)                                           ----    0.1       pH Unit           8.9                 9.0                 9.0            ----       ----

        Titratable Actual Acidity (23F)                        ----    2        mole H+ / t        <2                  <2                  <2             ----       ----

        sulfidic - Titratable Actual Acidity (s-23F)           ----   0.02      % pyrite S        <0.02               <0.02               <0.02           ----       ----

      EA033-B: Potential Acidity
        Chromium Reducible Sulfur (22B)                        ----   0.005        %S             0.066               0.068               0.065           ----       ----

        acidity - Chromium Reducible Sulfur                    ----    10       mole H+ / t        41                  42                  40             ----       ----
        (a-22B)
      EA033-C: Acid Neutralising Capacity
        Acid Neutralising Capacity (19A2)                      ----   0.01      % CaCO3           0.03                 0.61               0.56            ----       ----

        acidity - Acid Neutralising Capacity                   ----    10       mole H+ / t       <10                  121                 111            ----       ----
        (a-19A2)
        sulfidic - Acid Neutralising Capacity                  ----   0.01      % pyrite S        0.01                 0.19               0.18            ----       ----
        (s-19A2)
      EA033-E: Acid Base Accounting
        ANC Fineness Factor                                    ----    0.5           -             1.5                 1.5                 1.5            ----       ----

        Net Acidity (sulfur units)                             ----   0.02         %S             0.06                <0.02               <0.02           ----       ----

        Net Acidity (acidity units)                            ----    10       mole H+ / t        37                  <10                 <10            ----       ----

        Liming Rate                                            ----    1       kg CaCO3/t           3                  <1                  <1             ----       ----

        Net Acidity excluding ANC (sulfur units)               ----   0.02         %S             0.06                 0.07               0.06            ----       ----

        Net Acidity excluding ANC (acidity units)              ----    10       mole H+ / t        41                  42                  40             ----       ----

        Liming Rate excluding ANC                              ----    1       kg CaCO3/t           3                   3                   3             ----       ----




Document Set ID: 24149758
Version: 1, Version Date: 26/09/2025