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Date Start/Finish: 11.10.09/11.13.09 Northing:2158326.3316 Well/B Ung ID:MW-6D
<br /> Drilling Company: Cascade Drilling,LP Easting:6351551.5323
<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 Surface Elevation: 30.45 California
<br /> Sampling Method: California Modified Split Spoon
<br /> Descriptions By: Brett Krehbiel
<br /> E
<br /> a`> a
<br /> a n
<br /> c
<br /> Z T �, Z Weil/Boring
<br /> Of
<br /> O S Z � Stratigraphic Description Construction
<br /> = Q N > U f af)i rn
<br /> aCL
<br /> >
<br /> W w 3 0 0
<br /> W w CO:t W m z a 0
<br /> 0 30- Traffic rated well
<br /> Hand Auger to 8feet 14nch bgs ,
<br /> n n n n box completion
<br /> A AAA^ n^n^ n (0-1'bgS)
<br /> n n n n .n n
<br /> A A^AA A^.4^ n
<br /> A n^A^ A^A^ A
<br /> A A^AA A^AA A
<br /> 5 A A^AA A^AA A
<br /> 25 A n^A^ A^A^ n
<br /> A^AA A^A^ n
<br /> A^AA AAAA A
<br /> Begin sampling at 10 feet bgs. A A^AA A^A^ n
<br /> A A^AA AAAA A
<br /> 10 20 1 (10'- 1.5 7,7, 15 n A^AA AAA n
<br /> 11 5' 877Brown CLAY(CL),some Silt,no odor,moist. A AAAA A^A^ A
<br /> 2 11.5' 1.5 7,8, 16 0.0 n A^AA n^A^ n
<br /> 13') 8 - Brown Silt(ML),noodor,moist. A A^A^ AnAn A
<br /> 3 (13'- 1.5 8,8, 16 n AAAA An
<br /> Some Clay. AAA
<br /> 14 . 5' 8 - n n n n n n
<br /> 15 4 14.5' 1.5 8,10, 20 - n AA A^ AA AA n
<br /> IS 16') 10 - n n^AA n^nA n
<br /> 5 (16- 1.5 7,8, 17 0.0 n n^n^ n^n^ n
<br /> 17.5') 9 A A^A^ A^AA n
<br /> 6 17.5' 1.5 8,8, 17 n AA AA
<br /> AA AA n
<br /> 19') 9 A AAAA AAAA A
<br /> A n^AA AAAA A
<br /> 7 (19'- 1.5 8,9, 18 - n n n n
<br /> 20 0.5' 9 - ^ ^ ^ ^ ^ A
<br /> 10- 8 20.5' 1.5 9,9, 18 Brown fine to coarse SAND(SW),trace Silt,no odor,moist ^ n^A^ ^AAA ^
<br /> 22,) 9 - n n n n
<br /> 9 (22'- 1.5 8,8, 17 Brown SILT(ML),some Clay,no odor,moist. A A^An A^^ ^ Schedule1n' dt ae'g
<br /> 3.5') 9 n n n n n n
<br /> 10 23.5' 1.5 9,9, 20 0.0 - n n^A^ n^n^ n Steel conductor
<br /> Some fine Sand,little Clay,no odor,moist. A AAA A^A^ casing
<br /> 25 25) 11 - n nA A AAAA n (0-79 bgs)
<br /> 5 11 (25'- 1.5 9,10, 20 - n n n n
<br /> 6.5' 10 n n n n n n Grout
<br /> 12 26.5' 1.5 9,10, 20 n AAAA n^nA n (1-105'bgs)
<br /> Grades to trace fine Sand. A n^A^ AAAA n
<br /> 29) 113 (28'- 1.5 10,100, 20 0.0 n AAAA AAAA n
<br /> 9.5 '10 Brown fine to medium SAND(SP),trace Silt,no odor,moist n n^n^ n^n^ n
<br /> 30 14 29.5' 1.5 9,10, 20 A AAAWn
<br /> A AAAA A
<br /> p 31') 10 n WAA A A n
<br /> 15 (31'- 1.5 8,9, 18 n n^n^ n^n^ n
<br /> 25' 9 Brown CLAY(CL),some Silt,no odor,moist. n A^A^ An^A^ A
<br /> A A
<br /> 16 32.5' 1.5 8,9, 19 0.0 AAAA A A
<br /> A AA A
<br /> ,34,) 10 A AAA ^ ^ A
<br /> 17 (34'- 1.5 9,9, 18 n n^n^ nAA
<br /> n^ n
<br /> 35 .5' g - Brown SILT (ML),trace fine Sand,no odor,moist. n A^A^ n`n^ A
<br /> 5 18 35.5' 1.5 9,9, 18 �A�A ASA
<br /> 3T) 9 _ Brown SILT and SAND(SM),trace Clay,no odor,moist. n n n n n
<br /> n n n n n n
<br /> 19 (3T- 1.5 11,8, 18 0.0 _ Bror,,n SILT(ML),some Clay,tracefine Sand,noodor,moist. An An AAA A
<br /> .5' 10 A A^A^ A^AA A
<br /> 20 38.5' 1.5 7,8, 16 Trace fine Sand,no odor,moist. A An AA A
<br /> / A
<br /> 90 Qa) 8 A A^AA
<br /> -01
<br /> l 0 21 (40'- 1.5 8,8, 16 - Grades with some fine Sand,trace Clay. n n
<br /> A n
<br /> 1.5') B y A^^^
<br /> 22 4gq1��.6 1.5 7,8, 17 0.0 _ Brown SILT(ML),some fine Sand,trace Clay,no odor,moist. ^A^A
<br /> 23 (43� 1.5 998, 16 nAn
<br /> Remarks:HSA=Hollow Stem Auger
<br /> bgs=below ground surface
<br /> '=feet
<br /> A��`�®�` Bottom 115.6 to119 feet of screen obstructed by grout.Actual exposed screen interval is
<br /> A
<br /> L.T.�• S 109 to 115.6 feet bgs.
<br /> Infrastructure,environment,facilities
<br /> Project um er80046908.0000 emp a e:G:\Aproject\ENV\CHEVRON\309075\4 Project\Boring Logs\MW-6D age:I of 3
<br /> Data File:MW-6D Date3/4/2010 Brett Krehbiel
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