RFI - Attachment D - Geotechnical Investigation Report · MCU25/0053

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             ----       ----