RFI - Attachment G - Acid Sulfate Soils Investigation

Page                        : 5 of 5
Work Order                  : EB1911929
Client                      : DOUGLAS PARTNERS PTY LTD
Project                     : PROPOSED MEDICAL CENTRE

Analytical Results
Sub-Matrix: SOIL                                                        Client sample ID     BH 4 - 0.75         BH 4 - 2.75         BH 4 - 3.25         ----      ----
(Matrix: SOIL)
                                                            Client sampling date / time    24-Apr-2019 00:00   24-Apr-2019 00:00   24-Apr-2019 00:00     ----       ----
 Compound                                         CAS Number     LOR            Unit        EB1911929-011       EB1911929-012       EB1911929-013      --------   --------
                                                                                                Result               Result             Result           ----       ----

 EA033-A: Actual Acidity
   pH KCl (23A)                                           ----    0.1          pH Unit          4.4                 3.9                 4.0            ----       ----
   Titratable Actual Acidity (23F)                        ----     2         mole H+ / t        40                  88                  82             ----       ----
   sulfidic - Titratable Actual Acidity (s-23F)           ----   0.02        % pyrite S        0.06                 0.14               0.13            ----       ----

 EA033-B: Potential Acidity
   Chromium Reducible Sulfur (22B)                        ----   0.005          %S             0.008               0.006               0.006           ----       ----
   acidity - Chromium Reducible Sulfur                    ----    10         mole H+ / t       <10                  <10                <10             ----       ----
   (a-22B)
 EA033-D: Retained Acidity
   KCl Extractable Sulfur (23Ce)                          ----   0.02           %S             0.03                 0.02               0.02            ----       ----
   HCl Extractable Sulfur (20Be)                          ----   0.02           %S             0.03                 0.02               0.04            ----       ----
   Net Acid Soluble Sulfur (20Je)                         ----   0.02           %S             <0.02               <0.02               <0.02           ----       ----
   acidity - Net Acid Soluble Sulfur (a-20J)              ----    10         mole H+ / t       <10                  <10                <10             ----       ----
   sulfidic - Net Acid Soluble Sulfur (s-20J)             ----   0.02        % pyrite S        <0.02               <0.02               <0.02           ----       ----

 EA033-E: Acid Base Accounting
   ANC Fineness Factor                                    ----    0.5             -             1.5                 1.5                 1.5            ----       ----
   Net Acidity (sulfur units)                             ----   0.02           %S             0.07                 0.15               0.15            ----       ----
   Net Acidity (acidity units)                            ----    10         mole H+ / t        46                  94                  91             ----       ----
   Liming Rate                                            ----     1        kg CaCO3/t           3                   7                   7             ----       ----
   Net Acidity excluding ANC (sulfur units)               ----   0.02           %S             0.07                 0.15               0.15            ----       ----
   Net Acidity excluding ANC (acidity units)              ----    10         mole H+ / t        46                  94                  91             ----       ----
   Liming Rate excluding ANC                              ----     1        kg CaCO3/t           3                   7                   7             ----       ----