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

    Page                        : 3 of 6
    Work Order                  : EB2503423
    Client                      : PTG Consulting Pty Ltd
    Project                     : PTG/01608 7 Noosa Pde

     Analytical Results
     Sub-Matrix: SOIL                                                           Sample ID      BH1 0.25 -0.5       BH1 1.5 - 1.75      BH1 2.5 - 2.75      BH1 3.0 - 3.25      BH1 3.75 - 4.0
     (Matrix: SOIL)
                                                                       Sampling date / time   23-Jan-2025 00:00   23-Jan-2025 00:00   23-Jan-2025 00:00   23-Jan-2025 00:00   23-Jan-2025 00:00
      Compound                                         CAS Number     LOR          Unit        EB2503423-001       EB2503423-002       EB2503423-003       EB2503423-004       EB2503423-005
                                                                                                   Result               Result             Result               Result              Result

      EA033-A: Actual Acidity
        pH KCl (23A)                                           ----    0.1       pH Unit           5.3                 5.7                 5.2                 5.3                 5.3

        Titratable Actual Acidity (23F)                        ----    2        mole H+ / t        13                   2                  14                   8                   8

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

      EA033-B: Potential Acidity
        Chromium Reducible Sulfur (22B)                        ----   0.005        %S             0.021               0.018               0.066               0.098               0.123

        acidity - Chromium Reducible Sulfur                    ----    10       mole H+ / t        13                  11                  41                  61                   77
        (a-22B)
      EA033-E: Acid Base Accounting
        ANC Fineness Factor                                    ----    0.5           -             1.5                 1.5                 1.5                 1.5                 1.5

        Net Acidity (sulfur units)                             ----   0.02         %S             0.04                 0.02               0.09                 0.11                0.14

        Net Acidity (acidity units)                            ----    10       mole H+ / t        26                  13                  55                  69                   85

        Liming Rate                                            ----    1       kg CaCO3/t           2                  <1                   4                   5                   6

        Net Acidity excluding ANC (sulfur units)               ----   0.02         %S             0.04                 0.02               0.09                 0.11                0.14

        Net Acidity excluding ANC (acidity units)              ----    10       mole H+ / t        26                  13                  55                  69                   85

        Liming Rate excluding ANC                              ----    1       kg CaCO3/t           2                  <1                   4                   5                   6




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