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' Project: ARCO Station #5450 Log of Monitoring Well. <br /> Location: 1617 Fremont Ave.,Stockton,CA Project Number: 38465965 MW-2 <br /> ' Dates Drilled: 8128102 Total Depth Drilled: 26.5 h b s <br /> g Logged By: S.Lookingbill <br /> Drilling Contractor: PC Exploration Borehole Diameter: 8-inch <br /> Checked By: V.Eiarth <br /> 1 Rig Type: B-40 Well Construction Dates: 8128102 <br /> Screen Slot Size: 0'0I 0-inch <br /> Drilling Method: Hollow Stem Auger Well Diameter 2-incb <br /> Drill Bit: 8-inch Hollow Stem Auger Type of Well Casing: SCH 40 PVC <br /> Comments: <br /> W D > u W <br /> ) 3 <br /> � � A � <br /> CL. y 3 <br /> ' <br /> 0 LITHOLOGY DESCRIPTION WELL CONSTRUCTTON <br /> AsphaltlRoad base gravel Flush Mount Christy Box 0 <br /> Silty Clay(CL). Yellow' brown,trace sand,damp,no odor. 2-inch SCH 40 PVC with <br /> locking pressure cap to 9'bgs <br /> ' <br /> 5 0 0 16 - SiIty Sand(SM). Yellow brown,fine grained, Neat Cement to 6'bgs <br /> moist,no odor. 5 <br /> Sandy Clay(CL). Dark yellow brown,moist, <br /> trace gravel,damp,no odor. <br /> ' 6-8'Bentouite Sea] <br /> ' 10 <br /> 0.0 27 Becomes dark brown. 10 <br /> 1 � <br /> Is 0,0 Fat Clay(CH). light yellow brown,soft,wet,no <br /> odor ., 9-24'2-inch SCH 40 PVC, 15 <br /> Silty Clay(CL). Yellow brown,stiff,saturated, 0"010-inch Slot Screen, Filter <br /> no odor. Pack#2/12 Sand <br /> 20 0.0 25 <br /> Silly Clay(CL). Yellow brown,high plasticity, 20 <br /> soft,grading to stiff,saturated,no odor. <br /> 25 Silty Clay(CL). Olive brown,iron oxide staining, <br /> 0.0 1 B high plasticity,soft,grading to stiff,saturated,no � ' 25 <br /> odor. -- <br /> \\\ <br /> \1\\. Total Depth of Boring 26.5' <br /> UM2870 Gateway Oaks Dr.,Ste 300 <br /> Sacia�ato,CA 95833 <br /> 916-679-2000 <br />