appendix b - groundwater quality data and bore

GHD | Report for Talison Lithium Australia Pty Ltd - Hydrogeological Investigation 2018, 6136958 | 35

Appendix B - Groundwater quality data and boreinstallation details

Date Field pH EC TDS Fe Na K Ca Mg Cl CO3 HCO3 SO4 NO3 As Cd Co Cu Mn Ni P Li Zn Pb Th U

units ms/m mg/L mg/L mg/L mg/L mg/L mg/L mg/L mg/L mg/L mg/L mg/L mg/L mg/L mg/L mg/L mg/L mg/L mg/L mg/L mg/L mg/L mg/L mg/L Chloride (mg/L) Li (mg/L) So4:Cl ratio Co3:Cl ratio Mg:Na ratio~200 ‐ 500 ~6 to 18 above ~ 0.3 above ~0.3 below ~0.2

1/07/2017 6.87 1540 842 0.22 242 0.86 37.00 33.40 336.0 283.0 53.00 0.68 0.23 0.11 1.00 336 0.11 0.16 0.84 0.14

1/10/2017 6.79 1508 911 0.02 255 0.85 31.00 33.40 347.0 249.0 50.00 0.54 0.00 0.59 0.04 0.01 347 0.04 0.14 0.72 0.13

1/01/2018 6.71 1495 875 0.16 248 0.86 26.80 31.60 337.0 222.0 50.70 0.00 0.60 0.03 0.01 337 0.03 0.15 0.66 0.13

1/04/2018 6.91 1521 829 0.04 250 0.95 27.50 34.00 343.0 0.00 218.0 51.00 0.36 0.00 0.00 0.00 0.00 0.43 0.00 0.00 0.02 0.02 0.00 0.00 0.00 343 0.02 0.15 0.64 0.14

1/07/2017 6.68 1550 857 0.06 232 1.70 39.20 38.60 356.0 249.00 52.60 0.00 0.91 0.05 0.02 356 0.05 0.15 0.70 0.17

1/10/2017 6.56 1494 846 0.28 231 1.60 36.60 38.30 350.0 220.00 50.50 0.24 0.00 0.90 0.02 0.01 350 0.02 0.14 0.63 0.17

1/01/2018 6.97 1562 863 0.09 232 1.90 37.10 38.90 346.0 224.00 51.20 0.00 0.88 0.12 0.02 0.05 346 0.02 0.15 0.65 0.17

1/04/2018 6.65 1552 839 0.05 233 1.70 37.20 39.10 351.0 0.00 222.00 51.30 0.00 0.00 0.00 0.00 0.00 0.87 0.00 0.00 0.02 0.01 0.00 0.00 0.00 351 0.02 0.15 0.63 0.17

1/07/2017 6.13 1134 658 29.10 185 2.80 21.30 20.20 288 85.00 64.20 0.00 0.01 0.35 0.57 0.02 0.03 288 0.02 0.22 0.30 0.11

1/10/2017 6.06 1268 721 49.70 207 3.50 6.80 21.30 260 68.00 151.00 0.00 0.60 0.76 260 0.00 0.58 0.26 0.10

1/01/2018 6.21 1085 612 29.30 173 2.60 11.20 19.00 250 110.00 34.30 0.00 0.47 0.31 0.06 0.01 0.00 250 0.06 0.14 0.44 0.11

1/04/2018 6.29 1142 609 29.80 180 2.40 14.10 18.70 272 0.00 104.00 44.90 0.00 0.00 0.00 0.00 0.00 0.48 0.00 0.57 0.05 0.03 0.00 0.00 0.00 272 0.05 0.17 0.38 0.10

1/07/2017 5.89 1057 579 14.80 143 1.40 22.80 23.40 305 65.00 3.60 0.00 0.01 0.09 0.01 0.14 0.03 0.03 305 0.03 0.01 0.21 0.16

1/10/2017 5.79 1063 576 22.20 142 0.85 12.40 26.30 302 58.00 5.40 0.00 0.09 0.26 0.06 302 0.00 0.02 0.19 0.19

1/01/2018 5.67 1055 576 24.20 142 0.80 10.80 26.10 294 59.00 2.70 0.00 0.09 0.35 294 0.00 0.01 0.20 0.18

1/04/2018 5.95 1065 550 24.50 147 0.91 12.50 25.30 298 0.00 61.00 3.20 0.00 0.00 0.01 0.00 0.00 0.11 0.00 0.40 0.00 0.04 0.00 0.00 0.00 298 0.00 0.01 0.20 0.17

1/07/2017 6.43 210 172 1.40 28 4.80 11.8 5.8 39.0 52.00 18.30 0.00 0.01 0.07 0.34 0.01 39 0.34 0.47 1.33 0.21

1/10/2017 6.30 217 119 0.81 20 4.30 4.3 5.3 23.0 41.00 10.20 0.01 0.15 0.01 0.11 0.01 23 0.11 0.44 1.78 0.27

1/01/2018 7.10 227 177 0.58 32 3.90 5.9 4.5 44.0 32.00 12.90 0.01 0.06 0.27 0.08 0.04 44 0.08 0.29 0.73 0.14

1/04/2018 6.70 153 130 1.80 20 4.10 6.5 3.4 24.0 0.00 33.00 9.00 0.33 0.00 0.00 0.00 0.00 0.03 0.00 0.14 0.07 0.01 0.00 0.00 0.00 24 0.07 0.38 1.38 0.17

1/07/2017 5.85 6520 3340 0.07 639 9.00 111 275 2000 64.00 35.40 0.00 0.78 0.09 0.11 0.16 2000 0.11 0.02 0.03 0.43

1/10/2017 5.68 6680 3540 0.27 729 8.70 100 264 2040 47.00 37.00 0.65 0.04 0.76 0.10 0.12 0.11 2040 0.12 0.02 0.02 0.36

1/01/2018 5.50 6690 3400 0.14 675 9.00 104 272 1960 41.00 37.50 0.00 0.03 0.74 0.09 0.12 0.08 1960 0.12 0.02 0.02 0.40

1/04/2018 5.64 6730 3660 0.32 702 9.40 121 280 1960 0.00 34.00 36.40 0.00 0.00 0.00 0.02 0.00 0.76 0.08 0.00 0.12 0.13 0.00 0.00 0.00 1960 0.12 0.02 0.02 0.40

1/07/2017 5.73 13080 8080 33.20 2290 8.50 127 298 4620 48.00 267.00 0.00 0.05 1.30 0.08 0.91 1.10 0.59 4620 1.1* 0.06 0.01 0.13

1/10/2017 4.05 17130 8860 32.30 2770 9.20 115 320 5020 248.00 0.03 1.40 0.09 ‐ 0.22 0.14 5020 0.22 0.05 0.00 0.12

1/01/2018 4.16 16660 7960 36.80 2610 8.40 99 299 4740 235.00 0.00 0.02 1.20 0.07 0.35 0.13 0.08 4740 0.13 0.05 0.00 0.11

1/04/2018 3.55 17160 8420 38.70 2650 8.30 99 299 4820 0.00 0.00 237.00 0.00 0.00 0.00 0.02 0.00 1.20 0.07 0.26 0.13 0.08 0.00 0.00 0.00 4820 0.13 0.05 0.00 0.11

1/07/2017 5.70 6040 3500 0.36 498.0 11.90 185.0 373.0 2200.0 51.00 21.90 0.00 0.04 1.40 0.11 0.33 0.13 0.11 2200 0.13 0.01 0.02 0.75

1/10/2017 5.68 6990 3580 0.40 485.0 12.50 195.0 385.0 2120.0 47.00 20.80 0.00 0.03 1.60 0.11 0.13 0.05 2120 0.13 0.01 0.02 0.79

1/01/2018 5.47 7640 3940 0.14 485.0 13.20 214.0 418.0 2220.0 47.00 21.20 0.00 0.04 1.70 0.12 0.13 0.06 2220 0.13 0.01 0.02 0.86

1/04/2018 5.75 7380 4280 0.03 485.0 12.10 195.0 386.0 2120.0 0.00 48.00 21.30 0.00 0.00 0.00 0.03 0.00 1.50 0.10 0.09 0.13 0.05 0.00 0.00 0.00 2120 0.13 0.01 0.02 0.80

MB17/02D

MB17/03I

No High

No High

No High

No High

MB17/04I

Areas west of TSF1 and 2MB17/01S

Deemed Impacted by circuit waters?

Confidence: high , med , low

Possible

Possible

Possible

low

low

low

MB17/01I

MB17/02S

No med

Geochemical signature of tailings/circut water

MB17/02I

MB97/4D

Appendix BTable 1B Groundwater bore laboratory results (2017 to 2108)






1/07/2017 6.30 6810 4200 0.91 1020 14.30 130 176.0 2240 123 146.0 0.01 0.31 2.00 0.05 3.00 1.50 0.25 2240 1.50* 0.07 0.05 0.17

1/10/2017 5.91 8410 4460 0.92 1170 15.70 139 193.0 2420 77.00 124.0 0.01 2.30 0.05 0.16 0.04 2420 0.16 0.05 0.03 0.16

1/01/2018 7.24 8470 4440 0.15 1170 15.70 142 197.0 2360 77.00 126.0 0.02 0.01 2.20 0.05 0.13 0.03 2360 0.13 0.05 0.03 0.17

1/04/2018 6.34 8700 4780 0.00 1200 15.60 141 196.0 2380 0.00 73.00 125.0 0.00 0.00 0.00 0.02 0.00 2.20 0.05 0.00 0.12 0.02 0.00 0.00 0.00 2380 0.12 0.05 0.03 0.16

1/04/2018 6.25 3690 2260 23.40 642 0.68 21.10 93.00 1080 0.00 106 114.00 0.00 0.00 0.00 0.07 0.00 1.00 0.01 0.31 0.02 0.01 0.00 0.00 0.00 1080 0.02 0.11 0.10 0.14 No High

1/04/2018 6.58 4490 2460 71.70 689 6.00 58.80 133.00 1320 0.00 418 14.70 0.00 0.00 0.00 0.00 0.00 1.60 0.00 0.74 0.42 0.01 0.00 1320 0.42 0.01 0.32 0.19 No High

1/04/2018 7.01 4580 2800 0.20 648 7.90 122.00 152.00 1360 0.00 283 93.90 0.34 0.00 0.00 0.00 0.00 1.30 0.00 0.00 0.12 0.02 0.00 0.00 2.00 1360 0.12 0.07 0.21 0.23 No High

1/07/2017 5.61 1984 1140 11.80 306 4.80 21.30 42.70 576 35.00 79.20 0.24 0.01 0.01 0.40 0.02 0.51 0.06 0.06 576 0.06 0.14 0.06 0.14

1/10/2017 5.71 1569 919 8.10 250 3.80 14.30 29.60 433 34.00 68.90 0.17 0.01 0.28 0.01 0.31 0.04 0.02 433 0.04 0.16 0.08 0.12

1/01/2018 6.78 1545 915 4.40 250 4.70 28.80 27.30 419 28.00 73.50 0.09 0.01 0.20 0.21 0.05 0.05 419 0.05 0.18 0.07 0.11

1/04/2018 5.79 1769 1000 8.40 274 4.40 18.10 36.00 471 0.00 33.00 69.80 0.00 0.06 0.00 0.00 0.00 0.33 0.02 0.13 0.05 0.02 0.00 0.00 0.00 471 0.05 0.15 0.07 0.13

1/07/2017 6.49 8980 5880 49.80 1140 18.00 137.00 415 3280 309 72.90 0.00 8.10 0.02 0.83 0.17 0.01 3280 0.17 0.02 0.09 0.36

1/10/2017 6.44 10740 5540 48.70 1240 18.00 128.00 403 3220 242 83.60 0.00 8.00 0.03 0.23 0.18 0.03 3220 0.18 0.03 0.08 0.33

1/01/2018 6.55 11160 5600 44.70 1240 19.60 153.00 414 3240 280 66.40 0.00 8.30 0.02 0.58 0.17 0.05 3240 0.17 0.02 0.09 0.33

1/07/2017 6.74 1622 996 4.30 243 2.00 44.70 44.90 371 299 55.60 0.00 0.39 0.01 0.24 0.03 0.01 371 0.03 0.15 0.81 0.18

1/10/2017 6.75 1661 987 4.50 241 1.80 44.30 46.50 380 287 55.30 0.00 0.37 0.01 0.02 380 0.02 0.15 0.76 0.19

1/01/2018 7.12 1647 970 4.30 249 2.10 46.90 48.80 362 285 55.50 0.00 0.04 0.38 0.48 0.03 0.02 362 0.03 0.15 0.79 0.20

1/04/2018 6.85 1664 936 4.40 247 1.90 45.20 47.60 359 0.00 289 56.20 0.00 0.00 0.00 0.00 0.00 0.37 0.00 0.00 0.03 0.00 0.00 0.00 0.00 359 0.03 0.16 0.81 0.19

1/07/2017 6.57 2580 1520 0.31 500 3.40 28.50 34.20 716 230 129.00 0.00 0.01 0.16 0.01 0.04 0.03 716 0.04 0.18 0.32 0.07

1/10/2017 6.61 2060 1160 0.01 373 2.60 16.10 31.40 512 160 93.40 0.00 0.05 0.02 0.06 512 0.02 0.18 0.31 0.08

1/01/2018 6.42 2588 1380 0.09 466 3.40 22.60 30.10 648 203 125.00 0.00 0.13 0.22 0.04 0.04 0.00 648 0.04 0.19 0.31 0.06

1/04/2018 6.65 2540 1460 0.06 479 3.10 16.60 32.20 654 0.00 216 125.00 0.00 0.00 0.01 0.00 0.00 0.16 0.00 0.00 0.04 0.04 0.00 0.00 0.00 654 0.04 0.19 0.33 0.07

MB17/04D

Possible Low

MB17/05D

MB17/06S

MB17/06I

MB97/1D

No High

Areas west of TSF1 and 2 (continued)

No High

MB97/5D

MB97/2D

MB3

No High

Possible Low







1/07/2017 7.10 4260 2500 1.30 703 1.80 67.50 84.30 1100 353 331 0.00 0.83 0.01 2.10 0.03 1100 2.10* 0.30 0.32 0.12

1/10/2017 6.64 5140 2700 0.15 823 0.74 44.80 96.90 1320 192 277 0.35 0.00 0.02 1.20 0.02 0.66 0.07 0.00 1320 0.66 0.21 0.15 0.12

1/01/2018 6.10 3690 2120 0.11 653 0.80 39.70 82.10 1040 104 192 0.34 0.00 0.02 0.96 0.02 0.11 0.32 0.05 1040 0.32 0.18 0.10 0.13

1/04/2018 6.21 4110 2440 0.15 650 0.55 37.40 82.80 1160 0.00 107 171 0.21 0.00 0.00 0.05 0.00 1.10 0.03 0.00 0.22 0.03 0.00 0.00 0.00 1160 0.22 0.15 0.09 0.13

1/07/2017 6.35 1106 582 0.28 92.00 1.50 46.50 55.90 277 55 85.60 1.50 0.02 0.11 0.02 277 0.11 0.31 0.20 0.61

1/10/2017 6.15 1107 631 0.13 91.00 1.40 45.40 57.30 273 48 81.90 0.01 1.50 0.02 0.11 0.00 273 0.11 0.30 0.18 0.63

1/01/2018 5.98 1112 667 0.18 95.00 1.40 45.80 57.90 269 47 90.40 0.20 0.00 1.50 0.01 0.17 0.01 269 0.17 0.34 0.17 0.61

1/04/2018 6.10 1136 644 0.17 95.00 1.40 46.30 58.30 260 0.00 37 93.50 0.00 0.00 0.00 0.00 0.00 1.50 0.02 0.00 0.24 0.01 0.00 0.00 0.00 260 0.24 0.36 0.14 0.61

1/07/2017 6.83 1464 855 4.6 232 2.7 57.6 18.1 238 227 210 0.003 0.008 0.259 0.01 3.5 0.044 238 3.5* 0.88 0.95 0.08

1/10/2017 5.88 924 552 0.344 152 0.46 13.1 5.9 193 34 105 0.36 0.005 0.044 0.4 0.04 193 0.40 0.54 0.18 0.04

1/01/2018 5.2 1120 652 0.259 215 0.54 8.5 6.4 242 6.48 130 0.005 0.022 0.36 0.048 0 0 242 0.36 0.54 0.03 0.03

1/04/2018 6.82 708 422 0.84 65 2.60 35.20 28.60 170 0.00 97 5.60 0.00 0.00 0.00 0.00 0.00 0.71 0.01 0.00 0.03 0.00 0.00 0.00 0.00 170 0.03 0.03 0.57 0.44 No High

25/07/2018 6.62 303 185 1.5 45 4.6 14.6 9.6 46 0 92 9.9 1.1 0.001 <0.005 <0.005 <0.01 0.053 0.009 0.49 0.02 0.062 <0.05 <0.05 <0.1 46 0.02 0.22 2.00 0.21 No High

25/07/2018 7.08 1226 692 0.152 174 5.3 45.2 36.8 214 0 263 77.7 <0.2 0.002 <0.005 <0.005 <0.01 0.4 0.011 <0.06 0.09 0.006 <0.05 <0.05 <0.1 214 0.09 0.36 1.23 0.21 No Med

25/07/2018 6.49 1317 848 0.093 147 3.2 55.6 48.8 326 0 164 25.2 <0.2 0.002 <0.005 <0.005 <0.01 0.537 0.013 0.93 0.09 0.036 <0.05 <0.05 <0.1 326 0.09 0.08 0.50 0.33 No med

25/07/2018 6.73 798 450 0.628 91 5.7 44.9 29.4 124 0 245 21.5 0.31 0.001 <0.005 <0.005 0.05 0.289 <0.005 0.67 0.04 0.034 <0.05 <0.05 <0.1 124 0.04 0.17 1.98 0.32 No med

25/07/2018 7 1613 944 0.569 173 8 101 53.7 326 0 377 26.3 0.31 0.003 <0.005 <0.005 0.01 0.268 <0.005 0.25 0.11 0.033 <0.05 <0.05 <0.1 326 0.11 0.08 1.16 0.31 No med

25/07/2018 6.8 1552 935 0.393 248 4.6 70.8 47.2 223 0 591 49.6 0.48 0.002 <0.005 <0.005 <0.01 0.217 <0.005 2.1 0.06 1.2 <0.05 <0.05 <0.1 223 0.06 0.22 2.65 0.19 No medMB TSF4 3S

Area south of TSF1 /footprint of TSF4

MB17/07D

MB17/08S

MB01/9

MB TSF4 1D

MB TSF4 2D

MB TSF4 3I

No med

Yes High

MB TSF4 2I

MB TSF4 3D

No High

MB17/07S







1/07/2017 6.39 2570 1660 0.79 234 5.70 128 123 797 229 49.20 0.00 0.87 0.01 0.23

1/10/2017 6.53 2563 1680 0.36 229 5.10 126 128 768 225 46.90 0.00 0.96 0.01

1/01/2018 6.33 2570 1560 0.46 233 5.20 129 130 755 225 46.00 0.00 0.94 0.01 0.19

1/04/2018 6.56 2600 1820 0.46 229 5.10 127 128 742 0 227 45.10 0.00 0.00 0.00 0.00 0.00 0.94 0.01 0.00 0.00 0.00

1/07/2017 6.08 10770 6900 0.38 1800 14.90 148 233 3900 153.00 123.00 0.02 0.01 1.30 0.03 0.07 0.03

1/10/2017 6.12 13500 7100 0.20 2110 15.20 151 247 4040 142.00 130.00 0.02 1.40 0.04 0.06 0.03

1/01/2018 6.58 13060 6660 4.10 1970 15.60 136 226 3780 150.00 117.00 0.02 0.06 1.40 0.03 0.56 0.07 0.06

1/04/2018 6.80 13310 6820 0.08 2080 14.80 144 237 3820 0.00 147.00 123.00 0.00 0.00 0.00 0.00 0.00 1.20 0.04 0.00 0.07 0.00 0.00 0.00 0.00

1/07/2018 6.4 8870 3770 0.01 1020 11.8 188 304 2030 0 227 59 <0.2 <0.05 <0.005 0.029 <0.01 1.2 0.037 <0.06 0.12 0.1 <0.05 <0.05 <0.1

1/07/2018 6.0 7860 4210 0.02 1060 8.9 140 213 2255 0 118 62.8 <0.2 <0.05 0.034 0.017 <0.01 0.785 0.024 0.08 0.05 0.102 <0.05 <0.05 <0.1

1/07/2018 6.3 6150 4215 0.12 797 6.9 142 162 2235 0 157 39.6 <0.2 <0.05 <0.005 0.009 <0.01 0.496 0.015 <0.06 0.03 0.096 <0.05 <0.05 <0.1

1/07/2018 6.6 7560 3760 0.11 1210 6 81.5 128 2065 0 157 122 <0.2 <0.05 <0.005 0.011 0.01 0.19 0.009 0.13 0.05 0.104 <0.05 <0.05 <0.1

1/07/2018 7.0 8460 4515 0.07 1200 10.9 150 187 2210 0 287 172 0.69 <0.05 <0.005 <0.005 0.01 0.333 0.005 0.13 0.06 0.034 <0.05 <0.05 <0.1

1/07/2018 10.6 7350 3800 0.01 1190 31.6 211 44.7 1915 185 0 158 0.32 <0.05 <0.005 <0.005 0.02 0.008 <0.005 0.22 0.1 <0.005 <0.05 <0.05 <0.1

1/07/2018 7.0 6620 3700 0.12 830 3.2 180 193 1710 0 366 164 5.57 <0.05 0.014 <0.005 0.01 0.463 0.007 0.06 0.03 0.044 <0.05 <0.05 <0.1

1/07/2018 6.5 7660 4170 0.14 910 6.5 187 249 2175 0 242 153 0.69 <0.05 <0.005 <0.005 <0.01 0.897 0.007 0.12 0.05 0.065 <0.05 <0.05 <0.1

1/07/2018 6.0 7210 3810 0.10 906 9.3 139 238 2040 0 159 157 0.63 <0.05 <0.005 0.008 <0.01 1.1 0.01 <0.06 0.05 0.072 <0.05 <0.05 <0.1

1/07/2018 6.9 1721 1190 <0.005 152 4.4 137 77.8 156 0 91 579 34 <0.05 <0.005 <0.005 <0.01 0.052 <0.005 <0.06 1.3 <0.005 <0.05 <0.05 <0.1

1/07/2018 5.9 886 467 1.60 128 1.6 19.5 23.5 225 0 32 46.1 1.79 <0.05 0.006 0.005 <0.01 0.187 <0.005 <0.06 0.12 0.033 <0.05 <0.05 <0.1

1/07/2018 5.9 1271 722 0.04 160 5.3 41.1 36.7 335 0 84 30.3 <0.2 <0.05 <0.005 0.014 <0.01 0.758 0.016 0.07 0.03 0.057 <0.05 <0.05 <0.1

Notes: * Lithium impact not considerd relfective of groundwater conditions, Elevated lithium likely refelcts sampling methods (inclusion of clays) and/or introuction of mine derived water during hydrualic testing (slug tests)

WRD_NE_D

WRD_N_S

WRD_N_I

WRD_N_D

WRD_E_D

WRD_NE_S

WRD_NE_I

Eastern permiter of Floyds Waste Rock Landform

WRD_E_S

WRD_E_I

MB01/1

MB01/11

WRD_SE_S

WRD_SE_I

WRD_SE_D


61/36958

Bore IDEasting

(MGA50)Northing(MGA50)

RL*Drilled

depth (m)Screened depth

(mbgl)^ Screened unit# SWL** K (m/d)^^ Domain

MB01/1 415,011 6,251,283 236.745 40 >21.41 - >21.41 Saprolitic clays and/or weathered basment1 1.4 NA Floyds Waste Dump

MB01/3 415,043 6,251,288 238.392 25 >12.40 - >12.4 Saprolitic clays and/or weathered basment1 4.2 NA Floyds Waste Dump

MB01/5 411,784 6,250,307 260.635 28 NA Saprolitic clays and/or weathered basment1 Dry NA TSF

MB01/6 411,782 6,250,312 260.568 29 24.8 - >27.61 Saprolitic clays and/or weathered basment1 10.8 NA TSF




MB01/10 413,458 6,250,361 257.197 18 14.8 - >17.32 Saprolitic clays and/or weathered basment1 4.5 0.340 TSF

MB01/11 411,695 6,251,606 254.194 29 21.9 - >28.01 Saprolitic clays and/or weathered basment1 21.2 NA Water Circuit

MB01/12 411,694 6,251,602 253.711 18 >15.21 - >15.21 Saprolitic clays and/or weathered basment1 Dry NA Water Circuit

MB01/13 412,363 6,252,146 251.109 35 31.5 - >34.91 Saprolitic clays and/or weathered basment1 6.8 NA Lithium Minerals Processing

MB01/14 412,366 6,252,144 250.955 17 13.6 - >17.21 Saprolitic clays and/or weathered basment1 6.9 NA Lithium Minerals Processing



MB05/03 412,259 6,251,648 242.559 16 13 - >14.71 Saprolitic clays and/or weathered basment1 1.8 NA TSF




MB07/03 413,924 6,251,408 273.007 14 >9.70 - >9.7 Saprolitic clays and/or weathered basment1 Dry NA TSF


MB07/05 413,546 6,250,579 268.698 15 >9.32 - >9.32 Saprolitic clays and/or weathered basment1 10.2 NA TSF



MB13/01 412,327 6,251,712 250.496 26 5.8 - 17.8 Saprolitic clays and/or weathered basment1 7.0 NA TSF

MB13/02 412,348 6,251,704 256.258 15 10.86 - >11.81 Tailings or fill material1 8.9 NA TSF



MB13/05 412,135 6,251,285 244.258 22 7 - 10 Tailings or fill material1 9.2 NA TSF


MB13/07 412,427 6,251,013 252.539 9 NA Tailings or fill material1 6.8 NA TSF


MB97/1D 412,002 6,252,360 249.297 30 20 - >23.51 Saprolitic clays and/or weathered basment1 7.7 NA Lithium Minerals Processing

MB97/1S 412,006 6,252,360 249.855 24 >9.61 - >9.61 Sands and/or laterite1 7.3 NA Lithium Minerals Processing

MB97/2D 411,697 6,251,930 250.538 20 19 - >19.72 Saprolitic clays and/or weathered basment1 18.6 NA Water Circuit

MB97/3D 412,055 6,251,411 237.39 20 15.5 - >19.1 Saprolitic clays and/or weathered basment1 1.4 NA Lithium Minerals Processing

MB97/3S 412,054 6,251,399 234.887 10 No info Saprolitic clays1 0.8 NA Lithium Minerals Processing


MB97/5D 412,447 6,252,262 256.792 28 21.35 - 27.2 Saprolitic clays and/or weathered basment1 1.0 NA Lithium Minerals Processing

MB97/5S 412,446 6,252,265 256.662 10 1.9 - 5.2 Saprolitic clays1 1.9 NA Lithium Minerals Processing


MB97/6S 412,489 6,252,428 261.811 10 >5.12 - >5.12 Saprolitic clays1 5.1 NA Lithium Minerals Processing

MB1 413,462 6,250,472 256.501 30 3.17 - 7.25 Saprolitic clays and/or weathered basment1 2.8 NA TSF

MB1A 412,669 6,250,532 261.081 30 11.13 - >15.50 Saprolitic clays and/or weathered basment1 9.4 NA TSF

MB2 412,036 6,250,810 253.51 30 39.29 - >56.41 Saprolitic clays and/or weathered basment1 2.4 NA GAM Secondary Lease

MB2A 412,549 6,250,802 248.772 30 9.2 - >14.7 Saprolitic clays and/or weathered basment1 0.0 NA TSF

MB3 411,709 6,251,259 229.386 30 >6.50 - >6.50 Saprolitic clays and/or weathered basment1 1.6 NA Water Circuit

MB4 412,005 6,252,364 248.916 30 19.1 - >27.81 Saprolitic clays and/or weathered basment1 7.5 NA Lithium Minerals Processing

MB9 412,610 6,253,064 281.403 30 33.46 - >35.31 Saprolitic clays and/or weathered basment1 10.4 NA GAM Primary Lease


MB10S 412,547 6,252,898 271.462 0 8.65 - >12.21 Saprolitic clays1 7.3 NA Lithium Minerals Processing


MB11S 412,547 6,252,977 274.693 0 8.1 - >12.91 Saprolitic clays1 9.3 NA Lithium Minerals Processing

MB12 412,372 6,253,018 263.308 30 12.2 - >15.92 Saprolitic clays and/or weathered basment1 4.8 NA Water Circuit

Austins 1 411,765 6,252,787 256.782 9 6.1 - > 6.12 Tailings or fill material1 Dry NA Water Circuit

Austins 2 411,633 6,252,832 256.849 7 NA Tailings or fill material1 5.8 NA Water Circuit

Cowan 1 410,317 6,252,123 226.236 22 16.4 - >17.31 Saprolitic clays and/or weathered basment1 11.6 NA Water Circuit

Cowan 2 410,319 6,252,163 226.289 21 >14.40 - >14.4 Saprolitic clays and/or weathered basment1 10.7 NA Water Circuit

Cowan 3 410,324 6,252,229 226.207 21 18.2 - >21.91 Saprolitic clays and/or weathered basment1 10.9 NA Water Circuit

MBxx 1 to 12

MB01 1 to 14

MB05 1 to 4

MB07 1 to 7

MB13 1 to 8

MB97 1 to 6

Dam embankment bores

\\ghdnet.internal\ghd\au\perth\projects\61\36958\Tech\AO 6136958 Bore data 20180809.xlsx

Table 2B -Appendix B Talison Groundwater Monitoring Bore Network

61/36958

Bore IDEasting

(MGA50)Northing(MGA50)

RL*Drilled

depth (m)Screened depth

(mbgl)^ Screened unit# SWL** K (m/d)^^ Domain

MB17/01I 412,446 6,252,268 257.161 13 7 - 13 Saprolitic clays 1.1 NA Lithium Minerals Processing

MB17/01S 412,447 6,252,266 257.156 6 2.5 - 5.5 Sands and/or laterite 1.2 NA Lithium Minerals Processing

MB17/02D 412,310 6,251,904 247.91 28 22 - 28 Weathered basement 1.7 NA Lithium Minerals Processing

MB17/02I 412,309 6,251,905 248.03 15 8.7 - 14.7 Tailings or fill material 2.3 NA Lithium Minerals Processing

MB17/02S 412,307 6,251,905 247.97 5 2 - 5 Tailings or fill material 2.3 NA Lithium Minerals Processing


MB17/04D 412,092 6,251,470 241.456 19 15.5 - 18.5 Weathered basement 5.7 NA Lithium Minerals Processing


MB17/07D 413,400 6,250,479 257.252 18 14.5 - 17.5 Weathered basement 3.5 0.68 Lithium Minerals Processing

MB17/07S 413,399 6,250,479 257.274 6 2.5 - 5.5 Sands and/or laterite 3.3 0.02 TSF

MB17/08S 413,653 6,250,457 257.844 6 3.5 - 5.5 Sands and/or laterite 4.7 0.0006 TSF

MB17/05D 412,026 6,251,224 240.543 9 9 - 9 Weathered basement 5.4 NA TSF

MB17/06D 412,312 6,250,989 244.469 15 14.5 - 14.5 Weathered basement 1.4 NA TSF

MB17/06I 412,312 6,250,990 244.434 9 9 - 9 Saprolitic clays 1.5 NA TSF

MB17/06S 412,313 6,250,990 244.43 5 5 - 5 Sands and/or laterite 2.2 NA TSF

CWD 1701D 412,103 6,252,857 258.176 31 28 - 31 Weathered basement 2.8 0.01 Water Circuit

CWD 1701I 412,103 6,252,854 258.171 12 5.5 - 11.5 Tailings or fill material 2.8 2.21 Water Circuit

CWD 1701S 412,103 6,252,852 258.201 4 1 - 4 Tailings or fill material 2.9 1.80 Water Circuit


CWD 1702I 411,993 6,252,634 252.416 15 11.5 - 14.5 Saprolitic clays 9.4 0.07 Water Circuit

CWD 1702S 411,989 6,252,640 252.601 4 1 - 4 Sands and/or laterite 2.5 0.02 Water Circuit


CWD 1703I 412,074 6,252,532 252.254 15 11.5 - 14.5 Saprolitic clays 9.9 0.15 Water Circuit

CWD 1703S 412,072 6,252,535 252.292 5 2 - 5 Sands and/or laterite 1.2 0.65 Water Circuit


CWD 1704S 412,169 6,252,422 254.517 6 2.8 - 5.8 Saprolitic clays 2.9 0.47 Water Circuit

CWD 1705D 412,300 6,252,334 259.308 19 16 - 19 Weathered basement 8.5 0.01 Lithium Minerals Processing

CWD 1705S 412,303 6,252,339 259.296 10 7 - 10 Sands and/or laterite 3.9 0.02 Lithium Minerals Processing

MB TSF4_1D 412,110 6,250,108 269.494 22 19 - 22 Weathered basement 19.8 0.04 TSF

MB TSF4_1I 412,109 6,250,107 269.375 10 7 - 10 Saprolitic clays Dry 0.05 TSF

MB TSF4_1S 412,109 6,250,106 269.435 4 0.5 - 3.5 Sands and/or laterite Dry 0.03 TSF

MB TSF4_2D 412,865 6,250,057 262.596 28 26.5 - 28 Weathered basement 13.2 0.005 TSF

MB TSF4_2I 412,865 6,250,056 262.544 18 14.5 - 17.5 Saprolitic clays 13.2 0.04 TSF

MB TSF4_2S 412,866 6,250,054 262.624 4 3 - 4 Sands and/or laterite Dry 0.001 TSF

MB TSF4_3D 413,457 6,249,912 251.103 14 12 - 13.5 Weathered basement 3.5 0.24 TSF

MB TSF4_3I 413,456 6,249,911 251.063 11 8 - 11 Saprolitic clays 3.3 0.06 TSF

MB TSF4_3S 413,454 6,249,910 250.883 7 4 - 7 Sands and/or laterite 3.2 0.01 TSF

MB WRD_SED 415,620 6,251,978 237.431 21 18 - 21 Weathered basement 11.9 1.31 Floyds Waste Dump

MB WRD_SEI 415,619 6,251,979 237.515 15 13.3 - 14.8 Saprolitic clays 12.0 0.13 Floyds Waste Dump

MB WRD_SES 415,618 6,251,980 237.491 13 9.6 - 12.6 Sands and/or laterite 11.9 0.01 Floyds Waste Dump

MB WRD_ED 415,620 6,252,644 218.732 12 10.1 - 11.6 Weathered basement 4.3 0.03 Floyds Waste Dump

MB WRD_EI 415,620 6,252,645 218.71 9 5.5 - 8.5 Saprolitic clays 4.3 0.13 Floyds Waste Dump

MB WRD_ES 415,620 6,252,646 218.743 5 2 - 5 Sands and/or laterite 4.4 0.00 Floyds Waste Dump

MB WRD_NED 415,371 6,253,582 223.721 14 10.5 - 13.5 Weathered basement 1.7 NA Floyds Waste Dump

MB WRD_NEI 415,372 6,253,583 223.778 8 4 - 8 Saprolitic clays 1.8 NA Floyds Waste Dump

MB WRD_NES 415,373 6,253,584 223.801 4 1 - 4 Sands and/or laterite 2.2 NA Floyds Waste Dump

MB WRD_ND 414,638 6,254,177 255.336 29 25.5 - 28.5 Weathered basement 3.5 NA Floyds Waste Dump

MB WRD_NI 414,639 6,254,177 255.24 15 9 - 15 Saprolitic clays 3.1 NA Floyds Waste Dump

MB WRD_NS 414,640 6,254,177 255.184 4 0.5 - 3.5 Sands and/or laterite 1.6 NA Floyds Waste Dump

*

^#

**

^^1 Interpreted from down-hole geophysics

Hydraulic conductivity from slug tests

TSF 2017 replacements

Clear Water Pond 2017

TSF4 2018 bore installation

Floyds expansion 2018 bore installation

Reference elevation of top of collar

Screened depth - pre 2017 bores interpreted from down-hole geophysics

Screened units - pre 2017 bores interpreted from down-hole geophysics

Lastest data on static water level - metres below RL

\\ghdnet.internal\ghd\au\perth\projects\61\36958\Tech\AO 6136958 Bore data 20180809.xlsx

Table 2B -Appendix B Talison Groundwater Monitoring Bore Network

GHD

Level 10 999 Hay Street T: 61 8 6222 8222 F: 61 8 6222 8555 E: [email protected]

© GHD 2019

This document is and shall remain the property of GHD. The document may only be used for the purpose for which it was commissioned and in accordance with the Terms of Engagement for the commission. Unauthorised use of this document in any form whatsoever is prohibited.

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Document Status

Revision Author Reviewer Approved for Issue

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DRAFT P Hamer F Hannon 31/08/2018

0 P Hamer F Hannon 7/01/2019

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