Laserfiche WebLink
Project: ARCO Station #5450 Log of Monitoring Well: <br /> Location: 1617 Fremont Ave.,Stockton,CA Project Number: 38465965 MW-4 <br /> Dates Drilled: 8128/02 Total Depth Drilled: 23.5 ft bgs Logged By: S.Lookingbill <br /> Drilling Contractor: PC Exploration Borehole Diameter: 8-inch Checked By: V.Elarth <br /> ig Type: B-40 Well Construction Dates: 8128102 Screen Slot Size: 0.010-inch <br /> Drilling Method: Hollow Stem Auger Well Diameter: 2-inch <br /> Drill Bit: 8-inch Hollow Stem Auger Type of Well Casing: SCH 40 PVC <br /> Comments: <br /> a o y <br /> n. y a3` 3 3 on <br /> to.. A u. V S LITHOLOGY DESCRIPTION WELL CONSTRUCTION <br /> 0 <br /> ao Aggregate Base Flush Mount Christy Box 0 <br /> Sandy Clay(CL). Yellow brown,medium <br /> plasticity,trace fine to medium sand,trace 2-inch SCH 40 PVC with <br /> gravel,moist,no odor. locking pressure cap to 8'bgs <br /> Neat Cement to 5'bgs <br /> $ Clay(CL). Yellow brown,iron oxide staining, 5 <br /> 0.0 19 stiff,moist,no odor. <br /> 5-7'Bentonite Seal <br /> 10 0.0 28 Clay(CL). Yellow brown,iron oxide staining, 10 <br /> stiff,trace gravel,moist,no odor. <br /> Clay(CH). Yellow brown,high plasticity, 8-23'2-inch SCH 40 PVC, <br /> medium stiff,trace gravel,moist,no odor. 0.010-inch Slot Screen, Filter <br /> Pack#2112 Sand <br /> IS 0.0 13 15 <br /> Sandy Clay(CL). Yellow brown,minor iron <br /> 20 oxide staining,very fine to fine sand,trace 20 <br /> 0.0 20 gravel,saturated. <br /> Tota. Depth of Boring 23.5' <br /> bgs <br /> 2870 Gateway Oaks Dr.,Ste 300 <br /> Sacramnto,CA 95833 <br /> 916-679-2000 <br />