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Date Start/Finish: 11.10.09/11.13..09 Northing:2158326.3316 Well/( g ID:MW-6D
<br /> " Drilling Company: Cascade Drilling,LP Easting:6351551.5323 " - N�__/
<br /> Driller's Name: Tory Salazar Casing Elevation: 29.98 Client:Chevron Environmental Management
<br /> Drilling Method: Hollow Stem Auger Company(Chevron)Site ID 309075
<br /> Auger Size: 8-inch,15-inch Borehole Depth:' 120.5 feet bgs Location:3978 South Highway 99,Stockton,
<br /> Rig Type: HSA 95 e. Surface Elevation: 30.45 California
<br /> `J Sampling Method: California Modified Split Spoon
<br /> Descriptions By. BrettXrehbiel
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<br /> Z c >1 cc c Well/Boring
<br /> `J 0 S Z o ' a) m Stratigraphic Description Construction
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<br /> 30Hand Auger to 8 feet 1-inch bgs }- Traffic rated well
<br /> box completion
<br /> (0-1'bgs)
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<br /> Begin sampling at 10 feet bgs. 7
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<br /> to 20 1 00'- 1.5 7.7, ^
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<br /> 111.5-) 8 15 Brown CLAY(CL),some Silt,no odor,moist.
<br /> 2 11.5' 1.5 7,8, 16 0.0
<br /> 13') 8 = Brown Silt(ML),no odor,moist.
<br /> 3 (13'- 1.5 8,8, 16 Some Clay. ^ ^",
<br /> 14.5') a - n n
<br /> 15 4 14.5' 1.5 8,10, 20 ;_
<br /> U 15 16') 10 - -
<br /> 5 (16'- 1.5 7,8, 17 0.0 _
<br /> 17.5') 9 _
<br /> 6 17.5' 1.5 8,8, 17
<br /> 19') 9
<br /> 7 (19'- 1.5 8,9, 18 -'
<br /> u 20 i0 0.5' 9 =- ^
<br /> 8 20.5' 1.5 9,9, 18 Brown fine to coarse SAND(SW),trace Silt,no odor,moist. ^ r
<br /> 22) 9 Schedule 80
<br /> g (22- 1.5 8,8 17 Brown SILT(ML),some Clay,no odor,moist. 2-inch casing
<br /> 3.5') 9
<br /> 10 23.5 1.5 9,9, 20 0.0
<br /> Steel conductor
<br /> Some fine Sand,IiWe Clay,no odor,moist. n casing
<br /> u 25 5 11 (25'- 1.5 9,10, 20' -� (0-78'bgs)
<br /> 6.5') 10 ^ Grout
<br /> 12 26.5' 1.5 9,10, 20 - Grades to trace fine Sand. (1-105'bgs)
<br /> 28') 10
<br /> L+ 13 (28'- 1.5 1 20 0.0
<br /> 9.5' 10 10 Brown fine to medium SAND(SP),trace Sill,no odor,moist.
<br /> 30 14 29.5' 1.5 9,10, 20 •
<br /> 0 31') 10
<br /> 15 (31'- 1.5 8,9, 18325) 9 ' Brown CLAY(CL),some Silt,no odor,moist.
<br /> 16 32.5' 1.5 8,9, 19 0.0
<br /> 34') 10
<br /> 17 (34'- 1.5 9,9, 18 - Brown SILT(ML),trace fine Sand,no odor,moist. }^,,
<br /> 35 5 35.5') 0 - .
<br /> 18 35.5' 1.5 9,9, 18 3T) 9 Brown SILT and SAND(SM),trace Clay,no odor,moist.
<br /> 19 (37'- 1.5 11,8, 18 0.0 y
<br /> U 38.5') 10 Brown SILT(ML),some Clay,trace fine Sand,no odor,moist. ,h,
<br /> 20 38.5' 1.5 7,8, 16 Trace fine Sand,no odor,moist.
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<br /> _10 21 (1.5.) 8 1.5 8,8, 16 Grades with some fine Sand,trace Clay.
<br /> 1.5' -
<br /> u 22 418.5' 1.5 7,8, 17 0.0 Brown SILT(ML),some fine Sand,trace Clay,no odor,moist.
<br /> 23 (43� 1.5 933, 16
<br /> Remarks: HSA=Hollow Stem Auger
<br /> `J bgs=below ground surface
<br /> �r�, =feet
<br /> T� ��yr7yy��AAyy��y Bottom 115.6 to119 feet of screen obstructed by grout.Actual exposed screen interval is
<br /> ARCAMS S 109 to 115.6 feet bgs.
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<br /> Project um erSO046908.0000 emp ate:G:\Aproject\ENV\CHEVRON\309075\4 Project\Boring Logs\MW-6D age:I of 3
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<br /> Data File:MW-6D Date3/4/2010 Brett Krehbiel
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