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Date Start/Finish: 6/18/2008 to 6/19/2008 Northing:2158400.0066 Well/134.1d ID:MW-4 <br /> DrillinTCompany: Cascade Drilling,Inc. Easting:6351643.8053 <br /> Driller's Name: Amador Arroyo Casing Elevation: 30..1205' Client: Chevron Environmental Management <br /> Drilling Method: Hollow Stem Auger Company <br /> rr Auger Size: 8"OD Borehole Depth: 75' Location:Chevron Service Station 309075 <br /> �.i Rig Type: Truck-Mounted Hollow Stem Rig Surface Elevation: 30.83' 3978 South Highway 99 <br /> Sampling Method: 5'Split Spoon-No Sleeves Stockton,California <br /> Descriptions By: Angela Timmons <br /> y E i <br /> � n <br /> aD c <br /> Z 0 E <br /> r £ 3 Well/Boring <br /> Z c w 0- A 0 <br /> O � a) o 0 Stratigraphic Description Construction <br /> F — 0 0 W rn <br /> = Q a a V CD <br /> _ 0 <br /> > 0 <br /> LU w V) in of m z a Q (D <br /> • <br /> Steel flushmount <br /> cover' <br /> LLocking J-Plug <br /> Air knife to 8'1"bgs. Concrete Pad(0- <br /> 0.5'bgs) <br /> Sand Drain(0.5- <br /> § 1'bgs) <br /> I <br /> i <br /> I � <br /> i <br /> 1 0-8 N/A N/A N/A N/A <br /> f <br /> 5 5 ' <br /> f i Y <br /> S <br /> Begin logging at 10'bgs. <br /> - Benonite cement <br /> . _ (1'-60'bgs) <br /> 2 8-10 N/A N/A N/A N/A <br /> 9 <br /> to -10 _. <br /> Brown Sandy SILT(ML),fine Sand,moist. <br /> 3 10-15 5 -N/A N/A 0.9 . <br /> 15 -15 <br /> 4 15-20 3 N/A N/A 1.0 <br /> Remarks_: bgs-below ground surface;N/A-Not Applicable/Available;AMSL-Above Mean Sea <br /> Level. OD=Outside Diameter;SAA=Same As Above.Odorless unless stated <br /> otherwise. <br /> ARCADISNorthing/Easting Datum is NAD**. <br /> infrasirurturQ environment,facifities <br /> Elevation Datum is NAVD** <br /> Project Number:B0046012.0001 Template:G:\ENV\CHEVRON\Library\Log Plot\2005 Templates\ age: I of 4 <br /> Data File:MW-4.dat Date:10/7/2008 V.Rubio - x <br /> IY� I <br />