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Drilling Log <br /> ITIT CORPORATION Monitoring Well MW-5 <br /> A Member of the IT Group <br />' Project 7-Eleven, SSW 19976 _- owner 7-Eleven Inc See Site Map <br /> Location 1399 N Main Street, Manteca CA Prot No 779956 For Boring Location <br /> Surface Elev 3124 ft Total Hole Depth 30 ft Diameter 8 in COMMENTS <br />' Top of Casing 3188 ft Water Level Initial 20 ft Static NA ft <br /> Screen Dla 2 in Length 20 ft Type/Size Sch 40 0 020 in Soil logged from NIV-5A <br /> Casing Dia 2 in Length 10 ft Type Sch 40 PVC <br /> Fill Material 113 Sand/Neat Cement Rig/Core M-11/55/Split Spoon <br /> Drill Co Greq_q Drilling Method Hollow Stem Auger <br /> Driller Chris St Pierre Lag By Bob Butler Date 05/12/99 Permit # 016655 <br /> Checked By Ed Simons License No California RG#4422 <br /> O ` T N <br /> _ o C: °' " Description <br /> Qw N 4 Q U , p CJ <br /> CL <br /> 'n a- a m f0_j U) (Color, Texture, Structure) <br /> M 0 CJ U <br /> 0 m j Trace < 10%, Little 10% to 20%. Some 20% to 35%, And 35% to 50% <br /> -2 <br /> t nsP 2 of Asphalt over base coarse sandy gravel <br /> 0 <br /> < < <br /> OV GW <br /> 2 < < Fine to medium SAND brown dry, loose, moist subrounded no <br /> hydrocarbon odor <br /> 4 < < 5 Mw-5@5 8 <br /> 8 SW <br /> 10 <br /> 6 < <br /> La 2 Mw-5@10 8 <br /> 10 10 ML Very fine SAND and SILT (40 60) olive gray, moist to wet soft, no <br /> = <br /> 11 <br /> ' = hydrocarbon odor <br /> 12 <br /> 14 0 MW-5@15 <br /> Silty CLAY (30 70) olive gray and reddish brown moist to wet <br /> ZZ <br /> 10 = soft semi-plastic no hydrocarbon odor <br /> 18 15 MW-5@20 3 <br /> +' 20 = 5 Clayey sandy SILT (20 30 50) greenish gray saturated, no <br /> 10 <br /> ML hydrocarbon odor <br /> 22 = <br /> ' - 24 = 3 nW-5@25 5 <br /> 12 Clayey sandy SILT (20 30,50) olive gray saturated soft, no <br /> 16 <br /> 20 = ML hydrocarbon odor <br /> 28 = <br /> 200 MW-5@10 14 SM <br /> i9 <br /> 30 27 Clayey sitly fine to medium SAND (10 20 70) olive to dal k gray, <br /> saturated loose to moderate dense <br /> I of I <br /> 07r22/1q.73 I,ihiog-Mar 09 Page <br />