Compiled Reference Document - MCU25/0020 (As Published)

                                                                                                                                     BH2 0.75-1.00
Client Sample ID                                                                        BH2 0.0-0.25 M BH2 0.25-0.5 M BH2 0.5-0.75 M M
Sample Matrix                                                                           Soil           Soil           Soil           Soil
Eurofins Sample No.                                                                     B25-Fe0047946 B25-Fe0047947 B25-Fe0047948 B25-Fe0047949
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             4.2                   5.4        8.4                 8.4
pH-FOX (Field pH Peroxide test)*                                0.1        pH Units             2.7                   3.1        5.3                 4.8
Reaction Ratings*S05                                             0         comment              4.0                   4.0        4.0                 4.0
Actual Acidity (NLM-3.2)
pH-KCL (NLM-3.1)                                                0.1        pH Units              -                     -          -                 8.9
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                   -                     -          -                 0.005
Chromium Reducible Sulfur (a-SCr) (NLM-2.1)                      3         mol H+/t              -                     -          -                  3.3
Extractable Sulfur
Sulfur - KCl Extractable                                       0.005         %S                  -                     -          -                 0.010
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               -                     -          -                 0.48
Acid Neutralising Capacity - (s-ANCbt) (NLM-5.2)S03             0.02         %S                  -                     -          -                 0.16
Acid Neutralising Capacity - (a-ANCbt) (NLM-5.2)                  2        mol H+/t              -                     -          -                  97
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                 -                     -          -                  110
>2mm Fraction                                                  0.005           g                 -                     -          -                  3.7
Analysed Material                                               0.1            %                 -                     -          -                  97
Extraneous Material                                             0.1            %                 -                     -          -                  3.2
Sample Properties
% Moisture                                                        1            %                 -                     -          -                  7.3



                                                                                        BH2 1.00-1.25
Client Sample ID                                                                        M                    BH2 1.25-1.5 M BH2 1.5-1.75 M BH2 1.75-2.0 M
Sample Matrix                                                                           Soil                 Soil           Soil           Soil
Eurofins Sample No.                                                                     B25-Fe0047950 B25-Fe0047951 B25-Fe0047952 B25-Fe0047953
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             8.2                   8.6        8.7                 8.6
pH-FOX (Field pH Peroxide test)*                                0.1        pH Units             5.0                   6.1        6.6                 6.6
Reaction Ratings*S05                                             0         comment              3.0                   4.0        4.0                 4.0




                                        Eurofins Environment Testing 1/21 Smallwood Place, Murarrie, QLD, Australia 4172                        Page 4 of 15

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