J000154-001-R-Rev0_ASS Investigation Report · RAP15/0034

J000154-001-R-Rev0                                                                                                                             November 2015



Table of Contents
1.0          INTRODUCTION ................................................................................................................................. 1
2.0          PROPOSED DEVELOPMENT ............................................................................................................ 1
3.0          SITE DESCRIPTION ........................................................................................................................... 1
4.0          Acid Sulfate Soil Overview .................................................................................................................. 1
5.0          METHODOLOGY ................................................................................................................................ 2
5.1          Published Information.......................................................................................................................... 2
5.2          Fieldwork ............................................................................................................................................. 2
5.2.1        Groundwater Monitoring ...................................................................................................................... 3
5.3          Laboratory Testing .............................................................................................................................. 3
6.0          RESULTS OF THE INVESTIGATION................................................................................................. 4
6.1          Published Data .................................................................................................................................... 4
6.2          Subsurface Conditions ........................................................................................................................ 5
6.3          Groundwater ........................................................................................................................................ 5
6.4          Groundwater Quality Analysis ............................................................................................................. 5
6.5          Preliminary Screening ......................................................................................................................... 6
6.6          Quantitative Soils Analysis .................................................................................................................. 7
6.7          Extent and Severity ............................................................................................................................. 8
6.8          Risk Assessment ................................................................................................................................. 8
7.0          Recommendations .............................................................................................................................. 8
8.0          LIMITATIONS ...................................................................................................................................... 9


Tables
Table 1: Results of Groundwater Analysis ........................................................................................................ 5
Table 3: ASS Action Criteria .............................................................................................................................. 7
Table 4: Preliminary Liming Rates ..................................................................................................................... 8


Plates
Plate 1: General Site Conditions looking south ................................................................................................ 1
Plate 2: Extract of Regional Geology Map........................................................................................................ 4


Figures
Figure 1 – Site Plan


Appendices
Appendix A Reports of Boreholes and Explanatory Notes
Appendix B Table B1 Summary of ASS Test Results and Laboratory Test Certificates
Appendix C Limitations




                                                                                 iii