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. Date Start/Finish: 11/27/07 Northing:2169567.7354 Well/Boring ID: MWA8D2 <br /> Drilling Company: Cascade Drilling Inc. Easting:6333576.1633 Client: Chevron Environmental Managment <br /> Driller's Name: Carl Treece Casing Elevation: 13.28' Company <br /> Drilling Method: Sonic Drilling <br /> Sampling Method: Continuous sampling Borehole Depth: 115.0' Location: Chevron Service Station 9-0557 <br /> Surface Elevation: 13.68' 139 S Center Street <br /> Stockton,California <br /> Descriptions By: Hollingsworth/Myers <br /> E <br /> 0- <br /> E E <br /> z T m v E Well/Boring <br /> F v n m o <br /> Z <br /> Z n v Stratigraphic Description Construction <br /> oZ N (O U <br /> H N N > N U <br /> F d n V = O <br /> WW Em co C: <br /> LU <br /> p LU (n U) a Q <br /> Steel flush mount <br /> Locking J-plug <br /> Air knife to 8'-1"bgs. Concrete pad(0'- <br /> 0.6 bgs) <br /> Cement grout(2'- <br /> 96 bgs) <br /> 1 0-8 <br /> 5 -5- <br /> 2"dia.Schedule 40 <br /> PVC riser((y- <br /> 1W bgs) <br /> -- Brown lean CLAY(CL),fine to medium Sand,moist. <br /> 2 B-10 2.0 0.0 <br /> 10 -10-- <br /> No recovery from 10'-16'bgs. <br /> 3 10-20 2.0 <br /> 15 -15- <br /> Remarks: bgs=below ground surface;NA=Not Applicable/Available;AMSL=Above Mean Sea <br /> Level. <br /> Odorless unless stated otherwise. <br /> ARCADIS <br /> Northing/Easting datum in NAD 83. <br /> Infrastructure,environment~facilities Elevation datum in NAVD 88. <br /> Project: B0045980.0000 Template:G:\ENV\CHEVRON\Library\Log Plot\Geoprobe2005.ldf Page:i of <br /> Data File:MW-18D2.dat Date:2/25/2008 B.J.Wall <br />