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Drilling Log <br /> ❑� GROUNDWATER Monitoring Well MW-6 <br /> ❑� TECHNOLOGY <br /> Project Chevron/Ben amen Holt owner Chevron USA Products Co See Site Map <br /> ' For Boring Location <br /> Location 2905 W Benjamin Holt Dr Project No 02320-2241 Date drilled 373/92 <br /> Surface Elev Total Hole Depth 315 ft Diameter 8 COMMENTS <br /> Top of Casing Water Level Initial 18 0 ft Static 175 ft <br /> ' Screen Dia 2 in Length 20 ft Type/Size 0 020,n <br /> Casing Dia 2 in Length 10 ft Type Sch 40 PVC <br /> Filter Pack Material La is Lustre #2/12 Rig/Core Type Mobile B-53/S fit Soon <br /> ' Drilling Company Sierra Pacific Method Hollow Stem Auger _ Permit # <br /> Driller Manuel Ar uillo Log E3y Steve Kran ak <br /> Checked By Ed Stmonis License No PG 4422 <br /> ° C3 E 3; r Description <br /> m� a a E;u @°� sn (Color, Texture, Structure) <br /> O 0 (nmx V) Trace < 10%, Little 10% to 20%, Some 20% to 35%. And 35% to 50% <br /> -2 <br /> 0 Grass over brown SILT with some very fine sand (soft, <br /> most, no hydrocarbon odor) <br /> ' 2 < < <br /> < < <br /> 4 < <br /> It it <br /> < 1 A io <br /> 10 ML <br /> 6 12 <br /> S <br /> 10 2 g 12 <br />' = <br /> 20 <br /> 50 Gray silty fine SAND (medium dense very moist, hydrocarbon <br /> odor) <br /> 12 <br /> 1 14 - <br /> - $M <br /> 9 C to <br /> 12 <br /> 16 23 <br /> = Y <br /> 18 — Encountered water 3/3/92 (1040 hours)i <br /> Brown fine SAND (medium stiff, wet, slight hydrocarbon odor) <br /> 20 — 2 ❑ 12 5P <br /> B <br /> � __ i20 <br /> 22 Brown fine to coarse SAND (medium stiff, wet) <br /> $w <br /> 24 = <br /> 1 04/02/1932 hthlog-marU Page 1 of 2 <br />