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Table 1 Geosyntec Consultants <br /> Summary of Well Construction Details <br /> GSH Lathrop Facility <br /> Lathrop,California <br /> Approximate Approximate Approximate Approximate <br /> Approximate Hydrated Hydrated Type ll-V Grout Type 11-V Grout <br /> Approximate Depth Approximate #2/12 Sand Bentonite Above Bentonite Below Interval Above Interval Below <br /> Borehole Borehole Diameter to Bottom Screen Interval Interval Sand Sand Bentonite Bentonite <br /> Location Well ID Drilling Method (inches) (ft bgs) (ft bgs) (ft bgs) (ft bgs) (ft bgs) (ft bgs) (ft bgs) <br /> 3 AS-9 Mud-rotary 6 280 260 to 280 258 to 280 253 to 258 280 to 283 0 to 253 283 to 285 <br /> 3 AS-8 Mud-rotary 6 280 260 to 280 258 to 280 253 to 258 280 to 283 0 to 253 283 to 285 <br /> 3 AS-7 Mud-rotary 6 280 260 to 280 258 to 280 253 to 258 280 to 283 0 to 253 283 to 285 <br /> 2 AS-6 Mud-rotary 6 280 260 to 280 258 to 280 253 to 258 280 to 283 0 to 253 283 to 285 <br /> 2 AS-5 Mud-rotary 6 280 260 to 280 258 to 280 253 to 258 280 to 283 0 to 253 283 to 285 <br /> 2 AS-4 Mud-rotary 6 280 260 to 280 258 to 280 253 to 258 280 to 283 0 to 253 283 to 285 <br /> 1 AS-3 Mud-rotary 6 280 260 to 280 258 to 280 253 to 258 280 to 283 0 to 253 283 to 285 <br /> I AS-2 Mud-rotary 6 280 260 to 280 258 to 280 253 to 258 280 to 283 0 to 253 283 to 285 <br /> 1 AS-1 Mud-rotary 6 280 260 to 280 258 to 280 253 to 258 280 to 283 0 to 253 283 to 285 <br /> Notes and Abbreviations: <br /> tt bgs=feet below ground surface <br /> 10/11/2018 <br /> Page I of I <br />