Reference Document - RAL25/0020 & OPW25/0194 (As Published)

Client Sample ID                                                                          Bore 6 0.75-1.0 Bore 6 1.25-1.5
Sample Matrix                                                                             Soil            Soil
                                                                                          B25-            B25-
Eurofins Sample No.                                                                       Se0034874       Se0034875
Date Sampled                                                                              Sep 08, 2025          Sep 08, 2025
Test/Reference                                                   LOR           Unit
Actual Acidity (NLM-3.2)
pH-KCL (NLM-3.1)                                                 0.1         pH Units            4.7                    4.2
Titratable Actual Acidity (NLM-3.2)                               2          mol H+/t             44                    180
Titratable Actual Acidity (NLM-3.2)                             0.003        % pyrite S         0.070                   0.28
Potential Acidity - Chromium Reducible Sulfur
Chromium Reducible Sulfur (s-SCR) (NLM-2.1)S04                  0.005         %S               < 0.005                < 0.005
Chromium Reducible Sulfur (a-SCR) (NLM-2.1)                       3          mol H+/t            <3                     <3
Extractable Sulfur
Sulfur - KCl Extractable                                        0.005          %S               0.030                  0.050
HCl Extractable Sulfur                                          0.005          %S                N/A                   0.070
Retained Acidity (S-NAS)
Net Acid soluble sulfur (SNAS) NLM-4.1                          0.005          %S                N/A                   0.043
Net Acid soluble sulfur (s-SNAS) NLM-4.1S02                     0.005          %S                N/A                   0.032
Net Acid soluble sulfur (a-SNAS) NLM-4.1                          2          mol H+/t            N/A                    20
HCl Extractable Sulfur Correction Factor                          1           factor             2.0                    2.0
Acid Neutralising Capacity (ANCbt)
Acid Neutralising Capacity - (ANCbt) (NLM-5.2)                   0.01        % CaCO3             N/A                    N/A
Acid Neutralising Capacity - (s-ANCbt) (NLM-5.2)S03              0.02          %S                N/A                    N/A
Acid Neutralising Capacity - (a-ANCbt) (NLM-5.2)                   2         mol H+/t            N/A                    N/A
ANC Fineness Factor                                                           factor             1.5                    1.5
Net Acidity (Including ANC)
s-CRS Suite - Net Acidity - NASSG (including ANC)                0.02         %S                 0.07                   0.32
CRS Suite - Net Acidity - NASSG (Including ANC)                   10         mol H+/t             44                    200
CRS Suite - Liming Rate - NASSG (Including ANC)S01                 1         kg CaCO3/t          3.3                     15
Chromium Suite (SKCl) - NASSG (Excluding ANC)
<2mm Fraction                                                   0.005            g               44                      43
>2mm Fraction                                                   0.005            g             < 0.005                < 0.005
Analysed Material                                                0.1             %               100                    100
Extraneous Material                                              0.1             %              < 0.1                  < 0.1
Sample Properties
% Moisture                                                         1             %                15                     19




                                 Eurofins Environment Testing Australia Pty Ltd 1/21 Smallwood Place, Murarrie, QLD, Australia 4172                 Page 2 of 7

 Date Reported: Sep 18, 2025                                ABN : 50 005 085 521 Tel: +61 7 3902 4600                                 Report Number: 1266894-S