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

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Attention:                     Brett Egen


Report                         1266894-S
Project name                   12-14 GYMPIE ST TEWANTIN
Project ID                     237894.00
Received Date                  Sep 11, 2025


Client Sample ID                                                                            Bore 1 1.0-1.25 Bore 2 0.25-0.5 Bore 2 1.0-1.25 Bore 3 0.5-0.75
Sample Matrix                                                                               Soil            Soil            Soil            Soil
                                                                                            B25-            B25-            B25-            B25-
Eurofins Sample No.                                                                         Se0034870       Se0034871       Se0034872       Se0034873
Date Sampled                                                                                Sep 08, 2025          Sep 08, 2025          Sep 08, 2025                Sep 08, 2025
Test/Reference                                                     LOR           Unit
Actual Acidity (NLM-3.2)
pH-KCL (NLM-3.1)                                                   0.1         pH Units            4.6                    4.8                      4.4                       5.2
Titratable Actual Acidity (NLM-3.2)                                 2          mol H+/t             77                     96                     110                         14
Titratable Actual Acidity (NLM-3.2)                               0.003        % pyrite S          0.12                   0.15                    0.17                      0.020
Potential Acidity - Chromium Reducible Sulfur
Chromium Reducible Sulfur (s-SCR) (NLM-2.1)S04                    0.005         %S                0.010                  0.012                 < 0.005                     < 0.005
Chromium Reducible Sulfur (a-SCR) (NLM-2.1)                         3          mol H+/t            6.2                    7.3                    <3                          <3
Extractable Sulfur
Sulfur - KCl Extractable                                          0.005          %S               0.060                  0.010                   0.060                      0.010
HCl Extractable Sulfur                                            0.005          %S                N/A                    N/A                    0.080                       N/A
Retained Acidity (S-NAS)
Net Acid soluble sulfur (SNAS) NLM-4.1                            0.005          %S                N/A                    N/A                    0.033                        N/A
Net Acid soluble sulfur (s-SNAS) NLM-4.1S02                       0.005          %S                N/A                    N/A                    0.024                        N/A
Net Acid soluble sulfur (a-SNAS) NLM-4.1                            2          mol H+/t            N/A                    N/A                      15                         N/A
HCl Extractable Sulfur Correction Factor                            1           factor             2.0                    2.0                     2.0                         2.0
Acid Neutralising Capacity (ANCbt)
Acid Neutralising Capacity - (ANCbt) (NLM-5.2)                     0.01        % CaCO3             N/A                    N/A                     N/A                         N/A
Acid Neutralising Capacity - (s-ANCbt) (NLM-5.2)S03                0.02          %S                N/A                    N/A                     N/A                         N/A
Acid Neutralising Capacity - (a-ANCbt) (NLM-5.2)                     2         mol H+/t            N/A                    N/A                     N/A                         N/A
ANC Fineness Factor                                                             factor             1.5                    1.5                     1.5                         1.5
Net Acidity (Including ANC)
s-CRS Suite - Net Acidity - NASSG (including ANC)                  0.02         %S                 0.13                   0.17                    0.20                       0.02
CRS Suite - Net Acidity - NASSG (Including ANC)                     10         mol H+/t             84                    100                     120                         14
CRS Suite - Liming Rate - NASSG (Including ANC)S01                   1         kg CaCO3/t          6.3                    7.8                      9.2                       1.0
Chromium Suite (SKCl) - NASSG (Excluding ANC)
<2mm Fraction                                                     0.005            g                20                     24                    39                          53
>2mm Fraction                                                     0.005            g                17                  < 0.005                < 0.005                     < 0.005
Analysed Material                                                  0.1             %                54                    100                    100                         100
Extraneous Material                                                0.1             %                46                   < 0.1                  < 0.1                       < 0.1
Sample Properties
% Moisture                                                           1             %                15                     25                      17                          14




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

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