Laserfiche WebLink
. Project: ARCO Station # 2168 Log of Sparge Well: <br /> Location: 441 West Charter Way,Stockton,CA Project Number: 38466562 SP-21 <br /> Drilling Contractor; Woodward Drilling Drilling Method: Hollow Stem Auger Borehole Name: SP-21 <br /> Dates Drilled: 11/14/05 Well Construction Date: 11/14105 <br /> Logged By: Scott Lookingbill,R.G. <br /> Borehole Diameter: 8-inch Casing Diameter. 1-inch Type: SCH 80 PVC Checked By: Vern Elarth,R.G. <br /> Total Depth Drilled: 37 feet Screen Interval: 32-34 feet Slot Size: 0.020-inch Sampling Method: CA Modified Spoon <br /> Split S <br /> P P <br /> Comments: <br /> F ° <br /> C, <br /> a; o <br /> U� c s <br /> V x Sample ID LITHOLOGY DESCRIPTION <br /> 0 WELL CONSTRUCTION <br /> Silty Clay(CL). Dark brown,firm,high plasticity,no odor,moist. Well secured with slip 0 <br /> cap pending system <br /> installation <br /> U <br /> U <br /> F5P/z <br /> 5 <br /> X11 0.0 <br /> Gravelly Clay(CL). Yellowish brown,firm,30%subrounded gravel, <br /> O'.d' no odor,moist. <br /> '.O'.O . <br /> ZO 11 <br /> 13 0.0X61m, <br /> 10 <br /> r - <br /> Silt(M1,). Light yellowish brown,low plasticity,hard,no odor,damp. <br /> Neat cement from <br /> 1S near surface to 26 ft 15 <br /> 24 0.5 <br /> Sandy Silt(ML). Olive brown,medium plasticity,fm,slight <br /> hydrocarbon-like odor,moist. <br /> F1 <br /> 3 <br /> 20 1 <br /> 21 SP-21-20 0.4 20 <br /> 11/14105 1120 <br /> h <br /> Silty Clay(CL), Olive gray,bard,low plasticity,silty sand interbeds, <br /> moderate hydrocarbon-like odor. <br /> 25— <br /> 13 7.7 <br /> 125 <br /> Bentonite Seat <br /> 26-31 ft <br /> 16 0.4 <br /> 3Q Clay(CL). Light olive brown,very hard,high plasticity,no odor, <br /> damp- 30 <br /> SP-18 <br /> 1-inch SCH 80 PVC, <br /> 0.020-inch Slot <br /> Screen 32-34 ft <br /> S #3 Filter Pack Sand <br /> 35 .. 31-34.5 ft <br /> 15 3.8 Bentonite Seat 35 <br /> Silty Sand(SM). Bluish gray,very fine to tine grained sand,dense, <br /> 24 strong hydrocarbon-like odor,saturated. 34.5-37 ft <br /> I. <br /> 2870 Gateway Oaks Dr.,Ste 300 <br /> Sacrar wu,CA 95833 <br /> 916679-2000 <br />