Supporting Technical Assessments

June 2022 G-01483.84-017-R-Rev0 Because the 11 5.1.1 Test Results Summary Atterberg limits Atterberg limit testing was undertaken on 10 samples collected from test pits (WFTP015, 017, 024, 027, 028, 030, 031, 032, 036 and 037), four samples collected from boreholes (WFBH002, 004, 009) and two samples taken from drillhole WNDD007. A summary of the results is presented in Table 1 below. Table 1: Summary of Atterberg limits testing completed on samples from Willow Road farm. Sample Reference Depth (m bgl) Description Liquid Limit (%) Plastic Limit (%) Plasticity Index (%) Moisture content (%) WFTP015 0.5 Sandy SILT, trace clay 194 110 84 106 WFTP017 0.5 Sandy SILT, minor clay and trace gravel 98 64 34 60 WFTP024 3.1 Silty CLAY, some sand and trace gravel 107 50 57 61 WFTP027 1.1 Sandy SILT, trace clay 184 110 74 110 WFTP028 3.4 Clayey SILT, some sand 107 50 57 56 WFTP030 0.5 Silty SAND 201 138 63 131 WFTP031 1.4 Silty CLAY, trace sand 113 62 51 62 WFTP032 3.5 Sandy SILT, some clay and trace gravel 80 57 23 68 WFTP036 3.7 Clayey SILT, some sand 92 71 21 40 WFTP037 0.8 SILT, some clay, sand and trace rootlets 180 111 69 95 WFBH004 1.2 - 1.4 Sandy clayey SILT 92 55 37 67 WFBH004 1.8 - 2.0 Sandy clayey SILT 60 30 30 32 WFBH002 2 Clayey SILT, minor sand 103 46 57 53

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