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Drilling Log <br /> ITIT CORPORATION Monitoring Well MW-2 <br /> A Member of the IT Group <br /> ' <br /> i-Eleven SS#21756 Owner Prosect 7-Eleven Inc See Site Map <br /> Location 853 E Yosemite Manteca CA Prol No 741'23 For Boring Location <br /> Surface Elev Total Hale Depth 25 ft Diameter 8 ,n COMMENTS <br /> Top of Casing Water Level Initial 19 ft Static 04 ft <br /> Screen Dia 2 in Length 15 ft Type/Size Sch 40 PVC/0 020 in <br /> Casing ala 2 in Length 10 ft Type Sch 40 PVC <br /> Fill Material #3 Sand Rig/Core Mobile Drill 5-61 <br /> Drill Co uregq Drilling Method Hollow Stem Auger <br /> Driller Tonv Garver Log By Bob Butler nate 12/20/99 Permit # <br /> Checked By Ed Simonrs License No California P6114422 <br /> v <br /> E o ' o Description <br /> t.. �. r rn <br /> - m - o <br /> aa) :rE a E # m m_ (Calor, Texture, Structure) <br /> Um c a Trace < 10%, Little 10% to 20%, Some 20% to 35%, And 35% to 50% <br /> —2 <br /> 0 Ir <br /> Drilled in grassy planter area <br /> SM Silty , fine SAND (30 70) brown loose subrounded to subangular <br /> 2 c moist, no hydrocarbon odor <br /> 4 r r Fine to medium SAND light brown subrounded loose moist no <br /> ` < 3 5w hydrocarbon odor <br /> 0 9 14w-2@5 a <br /> 6 4 <br /> ' S <br /> ' 3 Fine to medium SAND light brown to tan subs ounded loose moist <br /> 10 0 5 MW-2@10 4 no hydrocarbon odor <br /> 5 SW <br /> 12 <br /> 14 = 13 <br /> 0 s MW-2@15 40 Sandy clayey SILT (10 20 70) grayish-green to olive gray stiff <br /> 50/5 MI medium plastic dry no hydrocarbon odor <br /> 16 _ sw Fine to medium SAND tan dry, loose <br /> ' 18 — In01125100 <br /> Static o <br /> Groundwater Encountered <br /> ' — 6 <br /> 20 24 5M S1Ity SAND (20 801 <br /> 0 Mw-2@20 20 <br /> greenish gray to olive-gray loose to soft, <br /> subrounded, wet micaceous no hydrocarbon odor <br /> 22 <br /> 24 — 21 5P Medium to coarse SAND I1ght gray to tan wet to saturated loose, <br /> ' 0 4 Mw-2@25 35 subrounded well sorted medium dense no hydrocarbon odor <br /> 26 so <br /> End of borehole at 25' BGS Install monitoring well <br /> ' 02/25/20001+thlog-Mar 99 Page I of 1 <br />