Geo-environmental Investigation · MCU25/0020

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Acid Neutralising Capacity (ANCbt)                                                    Result 1       Result 2            RPD
 Acid Neutralising Capacity -
 (ANCbt) (NLM-5.2)                 S25-Fe0043807            NCP       % CaCO3            0.33           0.32             5.0    20%          Pass
 Acid Neutralising Capacity - (s-
 ANCbt) (NLM-5.2)                  S25-Fe0043807            NCP           %S             0.11           0.10             5.0    30%          Pass
 ANC Fineness Factor               S25-Fe0043807            NCP          factor          1.5            1.5              <1     30%          Pass
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Net Acidity (Including ANC)                                                           Result 1       Result 2            RPD
 s-CRS Suite - Net Acidity -
 NASSG (including ANC)             S25-Fe0043807            NCP           %S             0.06           0.07             7.0    30%          Pass
 CRS Suite - Net Acidity - NASSG
 (Including ANC)                   S25-Fe0043807            NCP        mol H+/t           39             42              7.0    30%          Pass
 CRS Suite - Liming Rate - NASSG
 (Including ANC)                   S25-Fe0043807            NCP       kg CaCO3/t         2.9            3.1              7.0    30%          Pass
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Acid Sulfate Soils Field pH Test                                                      Result 1       Result 2            RPD
 pH-F (Field pH test)*             B25-Fe0047948             CP        pH Units         8.4            8.3               pass   20%          Pass
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Acid Sulfate Soils Field pH Test                                                      Result 1       Result 2            RPD
 pH-F (Field pH test)*             B25-Fe0047953             CP        pH Units         8.6            8.6               pass   20%          Pass
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                                                                                      Result 1       Result 2            RPD
 Chloride                            M25-Fe0055088          NCP         mg/kg           160            160                3.0   30%          Pass
 Conductivity (1:5 aqueous extract
 at 25 °C as rec.)                   M25-Fe0055443          NCP         uS/cm             57             64              12     30%          Pass
 pH (1:5 Aqueous extract at 25 °C
 as rec.)                            M25-Fe0055443          NCP        pH Units          6.4            6.5              pass   30%          Pass
 Resistivity*                        M25-Fe0055443          NCP         ohm.m            180            160               12    30%          Pass
 Sulphate (as SO4)                   M25-Fe0055088          NCP         mg/kg            < 30           < 30              <1    30%          Pass
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Sample Properties                                                                     Result 1       Result 2            RPD
 % Moisture                          B25-Fe0047963           CP            %            16             16                 3.0   30%          Pass




                                      Eurofins Environment Testing 1/21 Smallwood Place, Murarrie, QLD, Australia 4172                           Page 14 of 15

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