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❑0® Drilling Log GROUNDWATER Monitoring Well MW-6 <br /> 00� TECHNOLOGY <br /> See Site Map <br /> Protect Chevron/Ben amrn Nolt owner Chevron USA Products Co For Boring Location <br /> Location 2005 W Benjamin Holt Or Project Na 02320-2241 Date drilled 3/3/,92 <br /> Surface Eley Total Hole Depth 315 ft Diameter 8 COMMENTS <br /> Top of Casing Water Level Initial -L8-0 ft Static 175 ft <br /> Screen Dia -2--n+ Length 20 ft Type/Size 0020 ,n <br /> Casing Dia 2 in Length 10 ft Type SCh 40 PVC <br /> Filter Pack Material .Lapis Lustre 02/12 Rig/Core Type Mobile B-53/S kt Spoon <br /> Drilling Company Sierra Pacific Method Hollow Stem AugerPermit # <br /> Driller Manuel Ar udlo Log By Steve Kran ak <br /> Checked By <br /> Ed Srmonis License No,RG 4422 <br /> 'n <br /> to Description <br /> E (U 0 moi <br /> m"- a oa auU a <br /> E „ (D_J (111 (Color, Texture, Structure) <br /> t�mK j 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 /> moist, no hydrocarbon odor) <br /> 2 < < <br /> 4 < < <br /> < < 1 A io <br /> 10 ML <br /> 6 12 <br /> 8 <br /> 10 2 e 12 <br /> 20 Gray silty fine SAND (medium dense very moist, hydrocarbon <br /> 50 <br /> _ odor) <br /> 12 — <br /> 14 <br /> SM <br /> 9 C to <br /> — 12 <br /> 16 — 23 <br /> — x <br /> 18 = Encountered water 3/3/32 (1040 hours)r <br /> Brown fine SAND (medium stiff, wet, slight hydrocarbon odor) <br /> 20 2 D 1z SP <br /> = is <br /> zo <br /> 22 Brown fine to coarse SAND (medium stiff, wet) <br /> SW <br /> 24 = <br /> Page t of 2 <br /> 04/02/19921ithlog-mar92 <br />