Attachment 4 - Geotech Report · MCU23/0030

                                                                                                                               Certificate of Analysis




                                                                                                                               NATA Accredited
                                                                                                                               Accreditation Number 1261
Tectonic Geotechnical Pty Ltd                                                                                                  Site Number 20794

924 David Low Way                                                                                                              Accredited for compliance with ISO/IEC 17025 – Testing
                                                                                                                               NATA is a signatory to the ILAC Mutual Recognition
Marcoola                                                                                                                       Arrangement for the mutual recognition of the
                                                                                                                               equivalence of testing, medical testing, calibration,
QLD 4564                                                                                                                       inspection, proficiency testing scheme providers and
                                                                                                                               reference materials producers reports and certificates.




Attention:                     Mitchel Stewart


Report                         955951-S
Project name                   50 NOOSA PARADE NOOSA HEADS
Project ID                     22500
Received Date                  Jan 16, 2023


                                                                                        BH1 - 0.0-            BH1 - 0.25-      BH1 - 0.5-                  BH1 - 0.75-
Client Sample ID                                                                        0.25M                 0.5M             0.75M                       1.0M
Sample Matrix                                                                           Soil                  Soil             Soil                        Soil
Eurofins Sample No.                                                                     B23-Ja0016289 B23-Ja0016290 B23-Ja0016291 B23-Ja0016292
Date Sampled                                                                            Apr 29, 2022          Apr 29, 2022     Apr 29, 2022                Apr 29, 2022
Test/Reference                                                  LOR           Unit
Acid Sulfate Soils Field pH Test
pH-F (Field pH test)*                                            0.1       pH Units             6.0                   5.7                 4.8                        5.4
pH-FOX (Field pH Peroxide test)*                                 0.1       pH Units             3.1                   3.0                 2.8                        3.0
Reaction Ratings*S05                                              0             -               4.0                   4.0                 4.0                        4.0
Actual Acidity (NLM-3.2)
pH-KCL (NLM-3.1)                                                0.1        pH Units              -                      -                5.0                           -
Titratable Actual Acidity (NLM-3.2)                            0.003       % pyrite S            -                      -               0.018                          -
Titratable Actual Acidity (NLM-3.2)                              2         mol H+/t              -                      -                 11                           -
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                             -
Extractable Sulfur
Sulfur - KCl Extractable                                       0.005          %S                 -                      -             < 0.005                          -
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               -                      -                N/A                           -
Acid Neutralising Capacity - (s-ANCbt) (NLM-5.2)S03             0.02         %S                  -                      -                N/A                           -
Acid Neutralising Capacity - (a-ANCbt) (NLM-5.2)                  2        mol H+/t              -                      -                N/A                           -
ANC Fineness Factor                                                         factor               -                      -                1.5                           -
Net Acidity (Including ANC)
CRS Suite - Net Acidity - NASSG (Including ANC)                 0.02        %S                   -                      -              < 0.02                          -
CRS Suite - Net Acidity - NASSG (Including ANC)                  10        mol H+/t              -                      -                11                            -
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                 -                      -             < 0.005                          -
Analysed Material                                               0.1            %                 -                      -               100                            -
Extraneous Material                                             0.1            %                 -                      -              < 0.1                           -


% Moisture                                                        1            %                 -                      -                 6.5                          -




                                           Eurofins Environment Testing 1/21 Smallwood Place, Murarrie, QLD, Australia, 4172                                  Page 1 of 17
 Date Reported: Jan 19, 2023                             ABN : 50 005 085 521 Telephone: +61 7 3902 4600                                      Report Number: 955951-S