Appendix B - Geotech and Acid Sulfate report - MCU19-0030

Client Sample ID                                                                       BH2 2.5-2.75          BH3 1.5-1.75       BH3 2.0-2.25     BH3 2.50-2.75
Sample Matrix                                                                          Soil                  Soil               Soil             Soil
Eurofins | mgt Sample No.                                                              B18-No38685           B18-No38686        B18-No38687      B18-No38688
Date Sampled                                                                           Nov 14, 2018          Nov 14, 2018       Nov 14, 2018     Nov 14, 2018
Test/Reference                                                LOR            Unit
Chromium Suite
pH-KCL                                                         0.1        pH Units            4.7                       4.9           4.7               4.9
Acid trail - Titratable Actual Acidity                           2        mol H+/t             12                       7.4           13                 11
sulfidic - TAA equiv. S% pyrite                                0.02       % pyrite S         < 0.02                    < 0.02        0.02              < 0.02
Chromium Reducible SulfurS04                                  0.005        %S                 0.12                     0.007         0.12              0.081
Chromium Reducible Sulfur -acidity units                         3        mol H+/t             72                       <3            77                 50
Sulfur - KCl Extractable                                       0.02        %S                 n/a                       n/a           n/a               n/a
HCl Extractable Sulfur                                         0.02        %S                 n/a                       n/a           n/a               n/a
Net Acid soluble sulfur                                        0.02        %S                 n/a                       n/a           n/a               n/a
Net Acid soluble sulfur - acidity units                         10        mol H+/t            n/a                       n/a           n/a               n/a
Net Acid soluble sulfur - equivalent S% pyriteS02              0.02        %S                 n/a                       n/a           n/a               n/a
Acid Neutralising Capacity (ANCbt)                             0.01       %CaCO3              n/a                       n/a           n/a               n/a
Acid Neutralising Capacity - acidity (a-ANCbt)                   2        mol H+/t            n/a                       n/a           n/a               n/a
Acid Neutralising Capacity - equivalent S% pyrite (s-
ANCbt)S03                                                      0.02         %S                n/a                       n/a           n/a               n/a
ANC Fineness Factor                                                        factor             1.5                       1.5           1.5               1.5
CRS Suite - Net Acidity (Sulfur Units)                         0.02         %S                0.12                     < 0.02        0.15               0.08
CRS Suite - Net Acidity (Acidity Units)                         10        mol H+/t             84                        12           91                 62
CRS Suite - Liming RateS01                                       1        kg CaCO3/t          6.3                       <1            6.8               4.6
Extraneous Material
<2mm Fraction                                                 0.005           g               58                      55             57                 52
>2mm Fraction                                                 0.005           g             < 0.005                < 0.005         < 0.005            < 0.005
Analysed Material                                              0.1            %               100                    100             100                100
Extraneous Material                                            0.1            %              < 0.1                  < 0.1           < 0.1              < 0.1


% Moisture                                                       1            %                17                       16            18                 18



Client Sample ID                                                                       BH4 1.25-1.50         BH4 2.0-2.25       BH4 2.75-3.0     BH1 0.25-0.50
Sample Matrix                                                                          Soil                  Soil               Soil             Soil
Eurofins | mgt Sample No.                                                              B18-No38689           B18-No38690        B18-No38691      B18-No38692
Date Sampled                                                                           Nov 14, 2018          Nov 14, 2018       Nov 14, 2018     Nov 14, 2018
Test/Reference                                                LOR            Unit
Chromium Suite
pH-KCL                                                         0.1        pH Units            5.0                       4.9           4.9               5.3
Acid trail - Titratable Actual Acidity                           2        mol H+/t            4.0                       7.0           7.4               2.9
sulfidic - TAA equiv. S% pyrite                                0.02       % pyrite S         < 0.02                    < 0.02       < 0.02            < 0.02
Chromium Reducible SulfurS04                                  0.005        %S                0.013                      0.13         0.12             < 0.005
Chromium Reducible Sulfur -acidity units                         3        mol H+/t            <3                         82           74                <3
Sulfur - KCl Extractable                                       0.02        %S                 n/a                       n/a           n/a               n/a
HCl Extractable Sulfur                                         0.02        %S                 n/a                       n/a           n/a               n/a
Net Acid soluble sulfur                                        0.02        %S                 n/a                       n/a           n/a               n/a
Net Acid soluble sulfur - acidity units                         10        mol H+/t            n/a                       n/a           n/a               n/a
Net Acid soluble sulfur - equivalent S% pyriteS02              0.02        %S                 n/a                       n/a           n/a               n/a
Acid Neutralising Capacity (ANCbt)                             0.01       %CaCO3              n/a                       n/a           n/a               n/a
Acid Neutralising Capacity - acidity (a-ANCbt)                   2        mol H+/t            n/a                       n/a           n/a               n/a
Acid Neutralising Capacity - equivalent S% pyrite (s-
ANCbt)S03                                                      0.02          %S               n/a                      n/a            n/a               n/a
ANC Fineness Factor                                                         factor            1.5                      1.5            1.5               1.5
CRS Suite - Net Acidity (Sulfur Units)                         0.02          %S              < 0.02                    0.13          0.12              < 0.02




                                                 Eurofins | mgt 1/21 Smallwood Place, Murarrie, QLD, Australia, 4172                                Page 2 of 9
  Date Reported: Dec 06, 2018                           ABN : 50 005 085 521 Telephone: +61 7 3902 4600                                 Report Number: 630200-S