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Dato Start/Finish: 11.10.09/11.13.09 Northing:2158326.3316 We'•-''oring ID:R.M-601
<br /> Drilling Company: Cascade Drilling,LP Easting:6351551.5323
<br /> Drillers Name: Tory Salazar Casing Elevation: 29.98 Clle"c 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 Typo: HSA 96 Surface Elevation: 30.45 California
<br /> Sampling Method: California Modified Split Spoon
<br /> Descriptions By: Brett Krehbiel
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<br /> z> ' o Well/Boring
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<br /> O Z m Stratigraphic Description Construction
<br /> H ¢ m n > U= c
<br /> w _jE M m o m
<br /> o w U) CO )n z a 89
<br /> 0 30 �'Hand Auger to 8 feet 1-inch bgs '��" f^ box ratediw ll
<br /> (0-1'bgs)
<br /> 5
<br /> 2s
<br /> Begin sampling at 10 feet bgs.
<br /> 1020 1 (10- 1.5 7,7, 15
<br /> 11' 8 Brown CLAY(CL),some Siff,no odor,moist.
<br /> 2 11.5 1.5 7,8, 16 0.0 Brown Sift(ML),no odor,moist.
<br /> 13'� 8
<br /> 3 (13- 1.5 8,8, 16 Some Clay.
<br /> 14.E') 8
<br /> 15 4 14.5 1.5 8,10, 20
<br /> 15 16'1 10
<br /> 5 (16- 1.5 7,8, 17 0.0
<br /> 17.E) 9
<br /> 6 17.5 1.5 8,8, 17
<br /> 19') 9
<br /> 7 (19- 1.5 8,9, 18 -_
<br /> zo 10 0.5') 9
<br /> 8 20.5' 1.5 9,9, 18 Brown fine to coarse SAND(S",trace Sift,no odor,moist.
<br /> 2.2') 9 - Schedule 80
<br /> 9 (22- 1.5 8,8, 17 Brown SILT(ML),some Clay,no odor,moist. Y 2-inch casing
<br /> 3.5') 9 h
<br /> Steel conductor
<br /> 10 23.8 1.5 9,91 20 0.0
<br /> 25') 11 Some fine Sand,little Clay,no odor,moist. casing
<br /> 25 (0-78'lgs)
<br /> 9 11 (25- 1.5 9,10, 20
<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 /> 13 (28'- 1.5 1 20 0.0
<br /> 9.5 10 10 Brown fine to medium SAND(SP),trace Silt,no odor,moist.
<br /> 30 14 29.5 1.5 9,10, 20 .
<br /> 0 31) 10
<br /> 15 (31- 1.5 8,9, 18 Brown CLAY(CL),some Silt,no odor,moist.
<br /> 2.5) 9
<br /> 16 32.5 1.5 8,9, 19 0.0
<br /> 34) 10
<br /> 17 (34'- 1.5 g,9, 18 Brown SILT(ML),trace fine Sand,no odor,moist. -
<br /> 35 5.5) 9
<br /> _g 18 35.8 1.5 9,9, 18 -
<br /> 37) 9 Brown SILT and SAND(SM),trace Clay,no odor,moist.
<br /> 19 (37'- 1.5 11 18 0.0
<br /> 8.- 100 Brown SILT(ML),some Clay,trace fine Sand,no odor,moist.
<br /> 20 38.5' 1.5 7,8, 16 Trace fine Sand,no odor,moist.
<br /> 40 40) 8
<br /> _10 21 (40'- 1.5 8,8, 16 Grades with some fine Sand,trace Clay.
<br /> 1 _
<br /> 22 41..5' 1.5 78,8, 17 0.0 Brown SILT(ML),some fine Sand,trace Clay,no odor,moist. -
<br /> 23 (4l� 1.5 9 8, 16
<br /> Remarks: HSA=Hollow Stem Auger
<br /> bgs=below ground surface
<br /> _ '=feet
<br /> Bottom 115.6 to119 feet of screen obstructed by grout.Actual exposed screen interval is
<br /> 109 to 115.6 feet bgs.
<br /> Project um erS0046908.0000 I emp a e:G:\Aproject%ENV\CHEVRON 0907544 Project\ oring Logs -6D age: o _
<br /> Data File:MW-6D Date3/4/2010 Brett Krehbiel
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