Compiled Reference Document - MCU25/0020 (As Published)

Client Sample ID                                                                         BH2 3.0-3.25 M BH2 3.25-3.5 M BH2 3.5-3.75 M BH2 3.75-4.0 M
Sample Matrix                                                                            Soil           Soil           Soil           Soil
Eurofins Sample No.                                                                      B25-Fe0047958 B25-Fe0047959 B25-Fe0047960 B25-Fe0047961
Date Sampled                                                                             Feb 18, 2025         Feb 18, 2025    Feb 18, 2025     Feb 18, 2025
Test/Reference                                                  LOR           Unit
Potential Acidity - Chromium Reducible Sulfur
Chromium Reducible Sulfur (s-SCr) (NLM-2.1)S04                  0.005        %S                   -                 < 0.005         -                    -
Chromium Reducible Sulfur (a-SCr) (NLM-2.1)                       3         mol H+/t              -                   <3            -                    -
Extractable Sulfur
Sulfur - KCl Extractable                                        0.005         %S                  -                 < 0.005         -                    -
HCl Extractable Sulfur                                          0.005         %S                  -                   N/A           -                    -
Retained Acidity (S-NAS)
Net Acid soluble sulfur (SNAS) NLM-4.1                          0.005         %S                  -                    N/A          -                    -
Net Acid soluble sulfur (s-SNAS) NLM-4.1S02                     0.005         %S                  -                    N/A          -                    -
Net Acid soluble sulfur (a-SNAS) NLM-4.1                          2         mol H+/t              -                    N/A          -                    -
HCl Extractable Sulfur Correction Factor                          1          factor               -                    2.0          -                    -
Acid Neutralising Capacity (ANCbt)
Acid Neutralising Capacity - (ANCbt) (NLM-5.2)                   0.01       % CaCO3               -                   0.11          -                    -
Acid Neutralising Capacity - (s-ANCbt) (NLM-5.2)S03              0.02         %S                  -                   0.04          -                    -
Acid Neutralising Capacity - (a-ANCbt) (NLM-5.2)                   2        mol H+/t              -                    22           -                    -
ANC Fineness Factor                                                          factor               -                   1.5           -                    -
Net Acidity (Including ANC)
s-CRS Suite - Net Acidity - NASSG (including ANC)                0.02        %S                   -                  < 0.02         -                    -
CRS Suite - Net Acidity - NASSG (Including ANC)                   10        mol H+/t              -                   < 10          -                    -
CRS Suite - Liming Rate - NASSG (Including ANC)S01                 1        kg CaCO3/t            -                   <1            -                    -
Chromium Suite (SKCl) - NASSG (Excluding ANC)
<2mm Fraction                                                   0.005           g                 -                    20           -                    -
>2mm Fraction                                                   0.005           g                 -                 < 0.005         -                    -
Analysed Material                                                0.1            %                 -                   100           -                    -
Extraneous Material                                              0.1            %                 -                  < 0.1          -                    -
Sample Properties
% Moisture                                                         1            %                 -                    17           -                    -


Chloride                                                          5          mg/kg                -                    6.8          -                    -
Conductivity (1:5 aqueous extract at 25 °C as rec.)              10          uS/cm                -                     94          -                    -
pH (1:5 Aqueous extract at 25 °C as rec.)                        0.1        pH Units              -                    8.8          -                    -
Resistivity*                                                     0.5         ohm.m                -                    110          -                    -
Sulphate (as SO4)                                                30          mg/kg                -                     31          -                    -



                                                                                         BH1 SPT 7.-
Client Sample ID                                                                         7.45 M
Sample Matrix                                                                            Soil
Eurofins Sample No.                                                                      B25-Fe0047963
Date Sampled                                                                             Feb 18, 2025
Test/Reference                                                  LOR           Unit
Sample Properties
% Moisture                                                         1            %                16


Chloride                                                          5          mg/kg             1400
Conductivity (1:5 aqueous extract at 25 °C as rec.)              10          uS/cm             1100
pH (1:5 Aqueous extract at 25 °C as rec.)                        0.1        pH Units            6.3
Resistivity*                                                     0.5         ohm.m              9.0
Sulphate (as SO4)                                                30          mg/kg              220




                                         Eurofins Environment Testing 1/21 Smallwood Place, Murarrie, QLD, Australia 4172                         Page 6 of 15

 Date Reported: Feb 25, 2025                               ABN : 50 005 085 521 Tel: +61 7 3902 4600                                 Report Number: 1189604-S