|
Date Start/Finish: 11.11.09/11.12.09 Northing:2158331.1053 Well/Boring ID: MW-6
<br /> Drilling Company: Cascade Drilling,LP Easting:6351548.4211
<br /> Driller's Name: Tory Salazar Casing Elevation: 29.70 Client: Site ID 309075 Chevron Environmental
<br /> Drilling Method: Hollow Stem Auger Managemnet Company(Chevron)
<br /> y
<br /> Auger Size: 8-inch Borehole Depth: 75 feet bgs g 9 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
<br /> Y�1
<br /> d D.
<br /> E d d
<br /> C
<br /> r � CL n E
<br /> Z s Y a y c Well/Boring
<br /> O c Stratigraphic Description Construction
<br /> = Q C C > U y c
<br /> ] E E c = >
<br /> d W Cc M c O m
<br /> Lu w to rn W m z if
<br /> �+ Drill to 60 feet bgs.For soil stratigraphy please refer to MW-6D.
<br /> 95 -95
<br /> y Grout(1-51.5
<br /> feet bgs)
<br /> Schedule 80 2-
<br /> inch casing(0-55
<br /> 50 -50feet bgs)
<br /> V
<br /> Hydrated
<br /> bentonite seal
<br /> (51.5-53.5 feet
<br /> bgs)
<br /> v 55 -55
<br /> 60 -60 1 (60'- 1.5 9, 18 0.0
<br /> 61.5') 9,9 — Brown SILT(ML),trace fine Sand,no odor,dry.
<br /> 2 61.5' 1.5 8, 18 0.0 — Brown fine SAND and SILT(SM),no odor,dry. #2/12 sand
<br /> 63') 9,9 (53.5-75 feet
<br /> 3 (63'- 1.5 7, 16 0.0 — bgs)
<br /> Ir 64.5') 8.8 - .010 slotted
<br /> 65 -65 4 64.5' 1.5 7, 14 0.0 Brown CLAY(CL),some Silt,no odor,moist. screen interval
<br /> -70 feet bgs)
<br /> 66') 7,7 (55
<br /> 5 (66'- 1.5 6, 14 0.0 Brown fine SAND and SILT(SM),trace Clay,no odor,moist.
<br /> 67.5') 6,8
<br /> r.r 6 67.5 1.5 6, 14 Brown fine to medium SAND and SILT(SM),trace Clay,no odor,moist.
<br /> 69') 7,7
<br /> 7 (69'- 1.5 6, 15 0.0 Brown SILT(ML),some fine Sand,trace Clay,no odor,moist. Schedule 80 2-
<br /> 70 -70 70.5') 7,8
<br /> 8 70.5' 1.5 7, 15 0.0 inch end cap
<br /> 72') 7 8 — Brown SILT(ML),some fine Sand,no odor,moist. b6 sfeet
<br /> 9))
<br /> tri 9 (72'- 1.5 6, 16 0.0 Brown fine to coarse SAND(SW),no odor,wet.
<br /> 8,8
<br /> 73.5')
<br /> 10 7 1.5 6, 15 0.0
<br /> 75')5') 7,8 - Brown SILT(ML),some fine Sand,no odor,wet.
<br /> 75 -75
<br /> End of boring at 75 feet bgs.
<br /> Remarks: HSA=Hollow Stem Auger
<br /> bgs=below ground surface
<br /> ARCADI S =feet
<br /> Infrastructure,environment,facilities
<br /> frl
<br /> Project Number:B0046908.0000 Template:G:\Aproject\ENV\CHEVRON\309075\4 Project\Boring Logs\MW-6 age:2 of 2
<br /> Data File:MW-6 Date:1/4/2010 Brett Krehbiel
<br /> rr
<br />
|