Compiled Reference Document - MCU25/0020 (As Published)

Client Sample ID                                                                        BH1 2.0-2.25 M BH1 2.25-2.5 M BH1 2.5-2.75 M BH1 2.75-3.0 M
Sample Matrix                                                                           Soil           Soil           Soil           Soil
Eurofins Sample No.                                                                     B25-Fe0047938 B25-Fe0047939 B25-Fe0047940 B25-Fe0047941
Date Sampled                                                                            Feb 18, 2025         Feb 18, 2025   Feb 18, 2025     Feb 18, 2025
Test/Reference                                                 LOR           Unit
Chromium Suite (SKCl) - NASSG (Excluding ANC)
<2mm Fraction                                                  0.005           g                 -                    37          -                    -
>2mm Fraction                                                  0.005           g                 -                    31          -                    -
Analysed Material                                               0.1            %                 -                    55          -                    -
Extraneous Material                                             0.1            %                 -                    45          -                    -
Sample Properties
% Moisture                                                        1            %                 -                    14          -                    -



Client Sample ID                                                                        BH1 3.0-3.25 M BH1 3.25-3.5 M BH1 3.5-3.75 M BH1 3.75-4.0 M
Sample Matrix                                                                           Soil           Soil           Soil           Soil
Eurofins Sample No.                                                                     B25-Fe0047942 B25-Fe0047943 B25-Fe0047944 B25-Fe0047945
Date Sampled                                                                            Feb 18, 2025         Feb 18, 2025   Feb 18, 2025     Feb 18, 2025
Test/Reference                                                 LOR           Unit
Acid Sulfate Soils Field pH Test
pH-F (Field pH test)*                                           0.1        pH Units             11                    11         11                  11
pH-FOX (Field pH Peroxide test)*                                0.1        pH Units             8.7                   8.0        8.4                 11
Reaction Ratings*S05                                             0         comment              4.0                   3.0        3.0                 4.0
Actual Acidity (NLM-3.2)
pH-KCL (NLM-3.1)                                                0.1        pH Units            10                      -          -                    -
Titratable Actual Acidity (NLM-3.2)                              2         mol H+/t            <2                      -          -                    -
Titratable Actual Acidity (NLM-3.2)                            0.003       % pyrite S        < 0.003                   -          -                    -
Potential Acidity - Chromium Reducible Sulfur
Chromium Reducible Sulfur (s-SCr) (NLM-2.1)S04                 0.005        %S                0.016                    -          -                    -
Chromium Reducible Sulfur (a-SCr) (NLM-2.1)                      3         mol H+/t            9.8                     -          -                    -
Extractable Sulfur
Sulfur - KCl Extractable                                       0.005         %S               0.030                    -          -                    -
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             1.6                     -          -                    -
Acid Neutralising Capacity - (s-ANCbt) (NLM-5.2)S03             0.02         %S                0.52                    -          -                    -
Acid Neutralising Capacity - (a-ANCbt) (NLM-5.2)                  2        mol H+/t            320                     -          -                    -
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               49                      -          -                    -
>2mm Fraction                                                  0.005           g             < 0.005                   -          -                    -
Analysed Material                                               0.1            %               100                     -          -                    -
Extraneous Material                                             0.1            %              < 0.1                    -          -                    -
Sample Properties
% Moisture                                                        1            %                20                     -          -                    -




                                        Eurofins Environment Testing 1/21 Smallwood Place, Murarrie, QLD, Australia 4172                        Page 3 of 15

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