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Date'�Iart/Finish: 11.10.09/11.13.09 Northing:2158326.3316 Well�J ng ID:MW-6D
<br /> Drilling Company: Cascade Drilling,LP N--duo Easting:6351551.5323
<br /> Driller's Name: Tory Salazar Casing Elevation: 29.98 Client: Chevron Environmental Management
<br /> Arillipg 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 /> iu a
<br /> a n
<br /> E
<br /> 7 Qp- ^ U E
<br /> Z ' w Y n o Well/Boring
<br /> S Z o ? m Stratigraphic Description Construction
<br /> X: jU-1 E E n E o U f° Z o
<br /> wdUi o O
<br /> a w N n Ir m z (L
<br /> 6) 8 Brown fine SAND(SP),no odor,moist. AAAA AAA n
<br /> 45 24 44.5' 1.5 8,8, 17 A nnnn n^n A
<br /> -15 46') 9 A AAAA Ai1AA A
<br /> 25 (46'- 0.0 Norecovery. n AA1A A
<br /> 7.5') ry' AAAA
<br /> n'nA A
<br /> 26 47.5' 1.5 8,9, 18 AAA AAAA A
<br /> 49.) 9 Brown fine SAND(SP),no odor,moist. A nn AA AAAA n
<br /> 27 (49- 1.5 8,9, 19 ^ AAAA nnnn A
<br /> So 50.5' 10 n AAAA AAAA A
<br /> 20 28 50.5' 1.5 10,8, 16n n n n
<br /> AA An nnn n
<br /> 52') 8 A An An nnn
<br /> 29 (52'- 1.5 9,9, 18 0.0 rt n A
<br /> 3.5') 9 - Light brown SILT(ML),trace fine Sand,no odor,moist, A AA n An n n AA n nr`nA A n
<br /> 30 53.5' 1.5 8,9, 19 Grades to some fine Sand. AAA n'�nA
<br /> 55 55) 10 Ann nAn A
<br /> as 31 (55'- 1.5 9,10, 20 - Light brown SILT(ML),trace Clay,no odor,moist. AAAAAAAA n
<br /> 56.5') 10AA n n
<br /> 32 5 1.5 8 17 0.0 Brown SILT(ML),some fine Sand,no odor,moist. AAAA AAA A
<br /> 58')8.) 9 9 n n n n
<br /> 33 (58'- 1.5 7,8, 17 0.0 Grades with trace Clay. A AAAA Ann n
<br /> 59.5') 9 Y n n n n
<br /> 60 30 34 59.6 1') 1.5 1 8 15 - Brown SAND and SILT(SM),no odor,moist. n AAAA ^AAA n
<br /> 61') 8 AAAA AAAA A Steel conductor
<br /> 35 (61'- 1.5 7,7, 14 - AAA A'An casing
<br /> 2.5' 7 AAA AA A (0-78'bgs)
<br /> 36 62.5' 1.5 8,8, 16 - n AAAA Ar'nA A
<br /> A
<br /> 64') 8 - nAA AAAA A
<br /> 37 (54'- 1.5 67 13 0.0 Brown CLAY(CL),trace Silt,no odor,wet. n AAAA �� nA. Schedule 80
<br /> 65 _35 5.5') 7 AAAA A,'A
<br /> 38 65.5' 1.5 6,77 14 n n r, n 2arrh casing
<br /> 6T) n nn AA AAAA A Grout
<br /> 39 (6T- 1.5 6,6, 12 A nnnn AAAA A (1-105'bgs)
<br /> .5' 6 Brown CLAY(CL),no odor,wel. AAAA AAAA A
<br /> 40 68S' 1.5 5,6, 13 Some Sin. AAAA Ann
<br /> 70 7a) 7 AAAA A.AA A
<br /> -40 41 (70'- 1.5 5,6, 12 - n AAA^ AAAA
<br /> 1.5' 6 _ Brown SILT(ML),some fine Sand,no odor,wet. A AAAA 1/'A^ ^
<br /> A
<br /> 42 71.5' 1.5 6,6, 13 0.0 A AAAA AAAA A
<br /> 73') 7 A AAAA AAA, A
<br /> 43 (73'- 1.5 6,7, 14 - n WAWA AAAA n
<br /> 4.5') 7 - Trace fine Sand. ^ AAAA AAAA
<br /> A
<br /> 75 44 74.5' 1.5 5,6, 12 - n^n^ AAAA A
<br /> -45 76.) 6 A AAAA AAA n
<br /> 45 (76- 1.5 7,8, 17 A A A AA AAA n
<br /> 77.6) 9 - A AAAA nnn
<br /> A
<br /> 46 77.5' 1.5 7,8, 17 0.0 Brown SILT(ML),no odor,moist. � nnnn nnn A
<br /> 79') 9 n n n
<br /> 47 (79'- 1.5 7,8, 17 AAAA nnn
<br /> ao p,g g - Some fine Sand. AA,r nAn
<br /> so 48 80.5 No recovery. AAAA nnn
<br /> 83') ry' n n n n.^
<br /> AAAA AAA^
<br /> n A n
<br /> 49 (83'- 1.5 8,8, 19 0.0 Brown fine SAND(SP),some Clay,no odor,wet. ^�A, A A M1
<br /> 84.5') 11 ^nn+ nnnn
<br /> 85 50 84.5' 1.5 11,111, 22 ^nnn n,A nn
<br /> 5s 51 (8� 0.6 10,11, 22 0.0 An .1.1 r.
<br /> Remarks: HSA=Hollow Stem Auger
<br /> bgs=below ground surface
<br /> '=feet
<br /> ARCAD Bottom 115.6 to119 feet of screen obstructed by grout.Actual exposed screen interval is
<br /> lllnnn 109 to 115.6 feet bgs.
<br /> rnirasirtrrfurc^^.,t�t�v;mnment, �ar.'n+t�es
<br /> Project um erB0046908.0000 emp a e:G:\Aproject\ENV\CHEVRON\309075\4 Project\Boring Logs\MW-6D age:2 of 3
<br /> Data File:MW-6D Date3/4/2010 Brett Krehbiel
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