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Date Start/Finish: 11.10.09/11.13.09 Northing:2158326.3316 Well/B�tt g 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� n
<br /> a n
<br /> m
<br /> Z T w ( Well/Boring
<br /> CL 0
<br /> O tY S z u Stratigraphic Description Construction
<br /> 2 ¢ a> m > U m W rn
<br /> W w E E v 3 o
<br /> W w in m z a c�
<br /> 5' 8 Brown fine SAND(SIP),no odor,moist. n AAAA AAAA n
<br /> 24 44.6 1.5 8,8, 17 n AAAA AAAA n
<br /> 95 -15
<br /> 46) 9 ^ AAAA AAAA A
<br /> A
<br /> 25 (46'- 0.0 AAAA AAAA n
<br /> 7.5' No recovery. A AAAA AAAA n
<br /> 26 47.6 1.5 8,9, 18 n WAWA WAWA n
<br /> 49,) 9 Brown fine SAND(SP),no odor,moist. A A A A A A A A A A
<br /> 27 (49'- 1.5 8,9, 19 A AAAA AAAA n
<br /> 50 .5' 10 AAA AAAA AAAA A
<br /> 20 28 50.5' 1.5 10,8, 16 n AAAA AAAA n
<br /> 52') 8 A AAAA AAAA A
<br /> 29 (52'- 1.5 9,9, 18 0.0 _ AAAA AAAA A
<br /> 5, 9 Light brownSILT(ML),tracefineSand,noodor,moist. AAAA AAAA n
<br /> 30 53.5' 1.5 8,9, 19 AAAAA
<br /> 55' 10 - Grades to some fine Sand. AAAA AAAA A
<br /> 55 ) n n n n n
<br /> -25 31 (55'- 1.5 910, 20 - Light brown SILT(ML),trace Clay,no odor,moist. An AA AAAA A
<br /> .5' 10 A AAAA AAAA A
<br /> 32 56.5' 1.5 6,8, 17 0.0 - B�SILT(ML),some fine Sand,no odor,moist.
<br /> 58) 9 A n n n n A
<br /> A ^AAA WAWA n
<br /> 33 (58'- 1.5 7,8, 17 0.0 - Grades with trace Clay. A ^AAA An An A
<br /> 59.5') 9 A AAAA AAA A
<br /> 6030 61')1') 8 34 5 1.5 1 15 Brown SAND and SILT ISM),no odor,moist. A AAAA AAAA A Steel conductor
<br /> 8 A n n n n A
<br /> M
<br /> 35 (61'- 1.5 7,7, 14 - A An An An An A Casing
<br /> 2.5' 7 _ An AA An AA A (0-76'bgs)
<br /> 36 62.5' 1.5 8,8, 16 7 n AAAA AAAA n
<br /> 64') 8
<br /> A AAAA n^nA n
<br /> 37 (64'- 1.5 6,6, 13 0.0 A A W A A A n n Schedule 80
<br /> 65 -35 5.5' 7 Brown CLAY(CL),trace Silt,no odor,wet. A A A A A A A A A 2-inch casing
<br /> 38 65.5' 1.5 6,77 14 n n n n n
<br /> 6T) A AAn AAAA A Grout
<br /> 39 (6T- 1.5 6,6, 12 n AAAA AAAA A t1-105'bgs)
<br /> .5' 6 Brown CLAY(CL),no odor,wet. A A A A A AAA A A
<br /> 40 66.6 1.5 5,6, 13 A AAn AAAA n
<br /> 70') 7 Some Silt. n AAAA AAAA n
<br /> 70 _90 41 (71r- 1.5 5,6, 12 - n n n n n
<br /> 1.5' 6 Brown SILT(ML),some fine Sand,no odor,wet. AAAA An AA A
<br /> 42 71.5' 1.5 6,6, 13 0.0 A AAAA AAAA AAA AA
<br /> 73') 7 AAAAA
<br /> 43 (73'- 1.5 6,7, 14 - n n n n
<br /> 4.5' 7 - Trace fine Sand. AAAA AAAA A
<br /> 75 44 74.5' 1.5 5,6, 12 - AAAA ^AAA A
<br /> A
<br /> -95 76') 6 AA AAA^ A
<br /> 45 (76'- 1.5 7,8, 17 _ AAAA AAAA A
<br /> .5' 9 n n A n n
<br /> AAAA AAAA A
<br /> 46 7 1.5 7 17 0.0 - Brown SILT(ML),no odor,moist. AAAA AA
<br /> 799'')) 9 AAAA AAAA
<br /> 47 (79'- 1.5 7,,8, 17 - Some fine Sand. Annn AAAA
<br /> 60 _50 .5 9 AAAA AAAA
<br /> 48 60.5' No recovery. AAAA AAA'
<br /> 63') AAAA AAAA
<br /> A AAA AAAA
<br /> 49 (SY- 1.5 8,8, 19 0.0 An An AAAA
<br /> 5) 11 Brown fine SAND(SP),some Clay,no odor,wet. A A A^ AAAA
<br /> 95 50 6�466.6 1.5 11,11, 22 ^A^ AAAA
<br /> 55 51 (E6� 0.6 1(111, 22 0.0 AAA^ AAAA
<br /> Remarks:HSA=Hollow Stem Auger
<br /> bgs=below ground surface
<br /> ARCADIS '=feet
<br /> Bottom 115.6 lot 19 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 er80046908.0000 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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