Reference Documents - OPW24-0098

                                                                                                                             Certificate of Analysis




                                                                                                                             NATA Accredited
                                                                                                                             Accreditation Number 1261
Protest Engineering Pty Ltd                                                                                                  Site Number 20794

159 Coronation Drive                                                                                                         Accredited for compliance with ISO/IEC 17025 – Testing
                                                                                                                             NATA is a signatory to the ILAC Mutual Recognition
Milton                                                                                                                       Arrangement for the mutual recognition of the
                                                                                                                             equivalence of testing, medical testing, calibration,
Qld 4064                                                                                                                     inspection, proficiency testing scheme providers and
                                                                                                                             reference materials producers reports and certificates.




Attention:                     Luke Goodluck


Report                         1104946-S
Project name                   25 WYUNA DRIVE
Project ID                     PTG/00259
Received Date                  Jun 06, 2024


Client Sample ID                                                                     BH1_0.0-0.25           BH1_0.25-0.5     BH1_0.5-0.75                BH1_0.75-1.0
Sample Matrix                                                                        Soil                   Soil             Soil                        Soil
Eurofins Sample No.                                                                  B24-Jn0011894 B24-Jn0011895 B24-Jn0011896 B24-Jn0011897
Date Sampled                                                                         Not ProvidedI12 Not ProvidedI12 Not ProvidedI12 Not ProvidedI12
Test/Reference                                                LOR           Unit
Acid Sulfate Soils Field pH Test
pH-F (Field pH test)*                                          0.1       pH Units             7.6                   7.4                 7.2                        7.5
pH-FOX (Field pH Peroxide test)*                               0.1       pH Units             5.4                   5.7                 5.3                        5.4
Reaction Ratings*S05                                            0        comment              2.0                   3.0                 4.0                        2.0



Client Sample ID                                                                     BH1_1.0-.125           BH1_1.25-1.5     BH1_1.5-1.75                BH1_1.75-2.0
Sample Matrix                                                                        Soil                   Soil             Soil                        Soil
Eurofins Sample No.                                                                  B24-Jn0011898 B24-Jn0011899 B24-Jn0011900 B24-Jn0011901
Date Sampled                                                                         Not ProvidedI12 Not ProvidedI12 Not ProvidedI12 Not ProvidedI12
Test/Reference                                                LOR           Unit
Acid Sulfate Soils Field pH Test
pH-F (Field pH test)*                                          0.1       pH Units             7.4                   8.6                 8.9                        7.5
pH-FOX (Field pH Peroxide test)*                               0.1       pH Units             4.8                   6.9                 7.4                        2.3
Reaction Ratings*S05                                            0        comment              3.0                   3.0                 3.0                        4.0



Client Sample ID                                                                     BH1_2.0-2.25           BH1_2.25-2.5     BH1_2.5-2.75                BH1_2.75-3.0
Sample Matrix                                                                        Soil                   Soil             Soil                        Soil
Eurofins Sample No.                                                                  B24-Jn0011902 B24-Jn0011903 B24-Jn0011904 B24-Jn0011905
Date Sampled                                                                         Not ProvidedI12 Not ProvidedI12 Not ProvidedI12 Not ProvidedI12
Test/Reference                                                LOR           Unit
Acid Sulfate Soils Field pH Test
pH-F (Field pH test)*                                          0.1       pH Units             7.4                   7.1                 6.9                        6.7
pH-FOX (Field pH Peroxide test)*                               0.1       pH Units             2.9                   2.5                 2.0                        2.0
Reaction Ratings*S05                                            0        comment              4.0                   4.0                 4.0                        4.0




                                         Eurofins Environment Testing 1/21 Smallwood Place, Murarrie, QLD, Australia, 4172                                    Page 1 of 8
 Date Reported: Jun 07, 2024                           ABN : 50 005 085 521 Telephone: +61 7 3902 4600                                    Report Number: 1104946-S