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ter. 2 Inches Total depth of boring: 21-1/2 feet Casing diems Diameter of boring: 8 inches Casing material: Sch 40 PVC Date drilled: 12-9-92 Slot size: 0.020—inch Drilling Company: PC Exploration Sand size: No. 2/12 Sand Driller. Fronk Bartoloulch Blank casing from 0 feet to 16 feet Drilling method: Hoilow—Stem Auger Perforated casing from 16 feet to 21 feet Field Geologist: Rich Garlow Annular seal from 0 feet to 13 feet ' Well Permit No. 92-3863 Bentonite plug from 13 feet to 14 feet Sand pack from 14 feet to 21 feet Well Elevation: 3.58 feet above mean sea level ' USCS W611 Depth Sample le m OVM Code Description Const. As haft 4 inches over baseroc nchea . ' CL SILTY CLAY. dark brown, up to 1OX fine—grained sand and gravel, gravel v v 2 up to 1' diameter, moderate plasticity, very stiff, moist. V v V 7V 4 CL SANDY CLAY, light brown. up to 30% fine—grained sand, moderate plasticity, v v hard, moist. p v 6 MW--6-1 55 Increasing sand. v v SC CLAYEY SAND, light brown, up to BOX fine--grained sand. medium dense, $ rnai tL incroasini sand. v v SP SAND. light brawn to light reddisi7brown, fine— to medium—grained poorly v v 10 graded sand, medium dense, moist. MW-6-2 33 CL SILTY CLAY, light grayish—brown, dark brown staining, moderate plasticity, v ° 12 hard, moist.. v v 14 16 V MW-6— 28 Very sfrff. Increasing sand. —SC/S CLAYEY SAND to SILTY SAND, brown to grayish—brown, fine—grained sand, 18 — medium dense, saturated. 20 CL SILTY CLAY, light brown to light graylsh—brown with light gray staining, ' moderate plasticity, very stiff, moist. 27 Total Depth m 21-1/2 feet. ' 24 Groundwater encountered O approximately 18 feet (12/9/92) 28 Groundwater stabilized O 16.03 feet (12/21/92) ' 28 30 ' 32 34 36 38 40 CONSTRUCTION, MW-6 LOG at WELL C PLATE QUIK STOP MARKET NO. 132 3555 WEST HAMMER LANE B-2 PROJECT NO. F7132.34 STOCKTON, CALIFORNIA