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Date Start/Finish: 11.10.09/11.13.09 Northing:2158326.3316 Well/BBig ID:MW-6D
<br /> Drilling Company: Cascade Drilling,LP Easting:6351551.5323 Client:Chevron Environmental Management
<br /> Drillers Name: Tory Salazar Casing Elevation: 29.98 Company(Chevron)Site ID 309075
<br /> Drilling Method: Hollow Stem Auger
<br /> Auger Size: 8-inch,15-inch Borehole Depth: 120.5 feet bgs Location:3978 South Highway 99,Stockton,
<br /> Rig Type: HSA 95 Surface Elevation: 30.45 California
<br /> Sampling Method: California Modified Split Spoon
<br /> Descriptions By: Brett Krehbiel
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<br /> zT ;, E Well/Boring
<br /> O � S r 3 Stratigraphic Description Construction
<br /> F Q T n > U m = c
<br /> Q- >
<br /> CL
<br /> W E E 3 o
<br /> w U) in CK m Z n (5
<br /> 7 5' 11 No recovery.
<br /> 52 87.5' 1.5 10,12, 24 0.0 Brawn fine SAND(SP),some Silt,no odor,wet.
<br /> 89') 12
<br /> 53 (B9'- 1.5 12,13, 26
<br /> 90 -60 .5) 13
<br /> 54 90.5' 1.5 12,12, 24
<br /> 92') 12
<br /> 55 (92'- 0.6 11,12, 24 No recovery.
<br /> 3.5') 12
<br /> 56 93.5' 1.5 11,13, 27 0.0 grown fine to medium SAND(SP),no odor,wet.
<br /> 95 96) 14
<br /> -65 57 (96- 1.5 10,12, 24 •. Grades with coarse SAND. Grout
<br /> 5' 12 (1.105'bgs)
<br /> 58 96.5' 1.5 11,11, 24 0.0 Fine to medium SAND.
<br /> 96) 13 Schedule 80
<br /> 59 (99- 1.5 11,11, 25 2-inch casing
<br /> N.5') 11 Grades with coarse SAND.
<br /> loo 60 99.5' 1.5 11,12, 25
<br /> -70 101') 13
<br /> 61 101' 1.5 11,13, 27 0.0
<br /> 02.5' 14
<br /> 62 102.5 1.5 12,12, 24 104') 12 Fine SAND,trace Silt
<br /> 63 104' 1.5 11,11, 22
<br /> 105 75 05.51 11
<br /> 64 5.5 1.5 11,12, 24 0.0 •. Brown fine SAND(SP),no odor,wet. Hydrated
<br /> bentonite seal
<br /> 65 10T 1.5 11,11, 24 Trace Silt. (105-107 bgs)
<br /> 08.5' 13
<br /> 6608.5 1.5 10,12, 25
<br /> 110 110') 13
<br /> -80 67 110' 1.5 12,12, 24
<br /> 11.5 12
<br /> 68 11.5 1.5 11,10, 22 Fine to coarse SAND.
<br /> 113') 12
<br /> 69 113' 1.5 11,12, 25 #2112 sand
<br /> 14.5' 13 (107-119'bgs)
<br /> 115 70 14.5 1.5 15,13, 26 0.010 slotted
<br /> -85 116) 13 Brown medium to coarse SAND(SP),no odor,wet screen interval
<br /> 71 1161.5 10,12, 26 0.0 (109-119'bgs)
<br /> 17.5' 14
<br /> Grout inside
<br /> 72 1 1.5 1 11, 22 Brown coarse SAND(SP),no odor,wet. screen interval
<br /> 1199'.)) 111 (115.6-119 bgs)
<br /> 73 1191.5 12,13, 25 0.0 Schedule 80
<br /> 120 -90 20.51 13 24nch end cap
<br /> End of boring at 120.5 feet bgs. (119-119.5'bgs)
<br /> 125
<br /> -95
<br /> Remarks: HSA=Hollow Stem Auger
<br /> bgs=below ground surface
<br /> V2 ARCADIS '=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 /> Infrastructure,environment,facilities
<br /> Project um erB0046908.0000 emp a e:G:\Aproject\ENV\CHEVRON\309075\4 Project\Boring Logs\MW-6D age:1 o
<br /> Data File:MW-6D Date3/4/2010 Brett Krehbiel
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