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Date Start/Finish: 11.11.09/11.12.09 Northing:2158331.1053 We' 'iring ID:MW-6
<br /> r Drilling Company: Cascade Drilling,LP fir/ Easting:6351548.4211 ��,r
<br /> Driller's Name: Tory Salazar Casing Elevation: 29.70 Clien-F Chevron Environmental Managemnet
<br /> Drilling Method: Hollow Stem Auger Company(Chevron)Site ID 309075
<br /> Auger Size: 8-inch Borehole Depth: 75 feet bgs Location:3978 South Highway 99,Stockton,
<br /> Rig Type: HSA 95 Surface Elevation: 30.49 California
<br /> Sampling Method: California Modified Split Spoon
<br /> Descriptions By: Brett Krehbiel
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<br /> Z T a) � Well/Boring
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<br /> c Z 3 v o Stratigraphic Description Construction
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<br /> Drill to 60 feet bgs.For soil stratigraphy please refer to MW-6D.
<br /> 4 45 -15
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<br /> Grout
<br /> 1r (1-51.5'bgs)
<br /> Schedule 80
<br /> 2-Inch casing
<br /> 50 -20 (0-55'bgs)
<br /> Hydrated
<br /> bentonfte seal
<br /> r (51.5-53.5'bgs)
<br /> 55
<br /> -25
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<br /> 60 -30 1 (60'- 1.5 9,9, 18 0.0 -
<br /> 1.5' g - Brown SILT(ML),trace fine Sand,no odor,dry.
<br /> 2 61.5' 1.5 8,9, 18 0.0 - Brown fine SAND and SILT(SM),no odor,dry. 92/12 sand
<br /> v 63') 9 _ (53.5-75'bgs)
<br /> 3 (63'- 1.5 7,8, 16 0.0 0.010 slotted
<br /> .5') 8 screen interval
<br /> 65 4 64.5' 1.5 7,7, 14 0.0 Brown CLAY(CL),some Sift,no odor,moist. (55-70'bgs)
<br /> -35 66') 7
<br /> y 5 (66'- 1.5 6,6, 14 0.0 Brown fine SAND and SILT(SM),trace Clay,no odor,moist.
<br /> 67.5') 8
<br /> 6 67.5' 1.5 6.71 14 Brown fine to medium SAND and SILT(SM),trace Clay,no odor,moist.
<br /> 69') 7
<br /> 7 (69'- 1.5 6,7, 15 0.0 -
<br /> 70 0.5' 8 Brown SILT(ML),some fine Sand,trace Clay,no odor,moist. Schedule 80
<br /> 2-inch end cap
<br /> ✓ -40 8 70.5' 1.5 7,7, 15 0.0 -72') 8 Brown SILT(ML),some fine Sand,no odor,moist. (69.5-70'bgs)
<br /> L109
<br /> (72'- 1.5 6,8, 16 0.0 Brown fine to coarse SAND(SW),no odor,wet.
<br /> 3.5' 8
<br /> 73.5' 1.5 6,7, 15 0.0 - Brown SILT(ML),some fine Sand,no odor,wet.
<br /> 75 75) 8
<br /> -45 End of boring at 75 feet bgs.
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<br /> r"' Remarks: HSA=Hollow Stem Auger
<br /> bgs=below ground surface
<br /> I ARCADIS =feet
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<br /> 64Project um er 0 46908.0000emp a e:G: project\ENV\C ON\30 075\4 Project Boring Logs\MW 6 age- of 2
<br /> Data File:MW-6 Date3/4/2010 Brett KrehbieI
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