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Drilling Log <br /> I IT CORPORATION Monitoring Well SPV-2 <br /> ' A Member of the IT Group <br /> • Project 7-Eleven SS#17.334 - <br /> 7Eleven enc See Site Map <br /> Owner _ <br /> Location 4501 N Persh,nq Stockton CA Prot No 779950 For Boring Location <br /> Surface Elev Total Hole Depth 30 ft Diameter 10 rn COMMENTS <br /> ' Top of Casing Water Level Initial 2 5 ft Static <br /> Screen Dia 2 L 2 in Length D-5 /S-10 ft Type/Size PVC 0 020 in SPV-2=Double nested deeA screen <br /> Casing Dra 2 9 2 in Length Type Sch 40 PVC 25-30 feel shallow rz 22 feet <br /> Fill Material 2/12 Sand/Bent/Neat Cement Rig/Core Truck Mounted 6600 Geoprobe <br /> Drill Co Vironex Method HSA - 10 <br /> Driller Steve Log By Kim Metez Date 04/04/02 Permit # <br /> Checked By Ed Simonfs License No California RG#4422 <br /> 0 <br /> 2 R1 <br /> a ��, aQ v Q o s0) FJ Description <br /> Q 0 <br /> �" E `L m °-J in (Color, Texture, Structure) <br /> ' ice° (0 Trace < f0% Little 10% to 2o% Some 20% to 35%, And 35% to 50% <br /> ° <br /> n <br /> A No soil samples to 27 feet'! aQwe6ctesert�on4o 15� <br /> 2 < < i s Ea6'1 ,{7 iaVA 5011 b0r1n6I 5 B-I l09 <br /> A A n <br /> < C < <br /> n n <br /> 4 < < <br /> A n <br /> < < < <br /> nA n <br />' 6 1 1 n CL Sandy silly CLAI (20 30 50) brown slightly moist <br /> n n Grades vai y SAND/SILT/CLAY ratios avec age near clayey SILT <br /> 6 ` ` (-30 70) brown permeability low but not zei o <br /> CL <br /> 10 ML <br /> 12 <br /> 14 <br /> Sandy silty CLAY (20,40,40) degraded hydrocarbon odor <br /> = CL increasing with depth <br /> 18 = <br /> Grades sandy silty CLAY (10,40,50) <br /> r 2° <br /> Clay sandy SILT (I5 25 60) mottled gray bi own slight to no <br /> . = hydrocarbon odor <br /> 22 Whitish very calcareous layers, moist/wet soft slighity plastic <br /> CL slight degiaded odor <br /> 24 I "A L <br />' 05/127r2u0_ Ohln-J--Mdr ss Page I of 2 <br />