Acid Sulfate Report

Quality Control Results


                                                                                                                               Acceptance Pass Qualifying
                                Test                                       Units        Result 1                                 Limits   Limits Code
LCS - % Recovery
Chromium Suite (SKCl)
 Chromium Reducible Sulfur                                                   %              97                                   70-130    Pass
 Acid Neutralising Capacity (ANCbt)                                          %              93                                   70-130    Pass
                                                             QA                                                                Acceptance Pass Qualifying
                   Test                   Lab Sample ID                    Units        Result 1
                                                            Source                                                               Limits   Limits Code
Duplicate
Chromium Suite (SKCl)                                                                   Result 1        Result 2        RPD
 pH-KCL                                   B17-Au14276         NCP       pH Units          4.0             4.0            <1       30%         Pass
 Acid trail - Titratable Actual Acidity   B17-Au14276         NCP       mol H+/t          57              56             1.7      30%         Pass
 sulfidic - TAA equiv. S% pyrite          B17-Au14276         NCP       % pyrite S       0.09            0.09            2.0      30%         Pass
 Chromium Reducible Sulfur                B17-Au14276         NCP         %S            < 0.005         < 0.005          <1       30%         Pass
 Chromium Reducible Sulfur -acidity
 units                                    B17-Au14276         NCP        mol H+/t          <3             <3            <1        30%         Pass
 Sulfur - KCl Extractable                 B17-Au14276         NCP         %S              < 0.02         < 0.02         <1        30%         Pass
 HCl Extractable Sulfur                   B17-Au14276         NCP         %S              < 0.02         < 0.02         <1        30%         Pass
 Net Acid soluble sulfur                  B17-Au14276         NCP         %S              < 0.02         < 0.02         <1        30%         Pass
 Net Acid soluble sulfur - acidity
 units                                    B17-Au14276         NCP        mol H+/t          < 10           < 10          <1        30%         Pass
 Net Acid soluble sulfur - equivalent
 S% pyrite                                B17-Au14276         NCP        %S               < 0.02         < 0.02         <1        30%         Pass
 Acid Neutralising Capacity (ANCbt)       B17-Au14276         NCP       %CaCO3             n/a            n/a           n/a       30%         Pass
 Acid Neutralising Capacity -
 equivalent S% pyrite (s-ANCbt)           B17-Au14276         NCP          %S              n/a            n/a           n/a       30%         Pass
 ANC Fineness Factor                      B17-Au14276         NCP         factor           1.5            1.5           <1        30%         Pass
 Net Acidity (Sulfur Units)               B17-Au14276         NCP          %S              0.09           0.09          n/a       30%         Pass
 Net Acidity (Acidity Units)              B17-Au14276         NCP        mol H+/t           57             56           n/a       30%         Pass
 Liming Rate                              B17-Au14276         NCP       kg CaCO3/t         4.3            4.2           2.0       30%         Pass
Duplicate
                                                                                        Result 1        Result 2        RPD
 % Moisture                               B17-Au01802         NCP            %            39              39             <1       30%         Pass
Duplicate
Acid Sulfate Soils Field pH Test                                                        Result 1        Result 2        RPD
 pH-F (Field pH test)*                    B17-Au16065          CP        pH Units         7.2             7.0           pass      30%         Pass
 Reaction Ratings*                        B17-Au16065          CP        comment          2.0             2.0           pass      30%         Pass




                                                  Eurofins | mgt 1/21 Smallwood Place, Murarrie, QLD, Australia, 4172                              Page 9 of 10
  Date Reported: Aug 22, 2017                            ABN : 50 005 085 521 Telephone: +61 7 3902 4600                                Report Number: 558447-S