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Date Start/Finish: 1/23/07-1/25/07 <br /> Northing:37.9563372 Well/Boring ID: SB-1/MW-6D <br /> Drilling Company: Cascade Easting:121.2854483 <br /> Driller's Name: Jeff Harkima Casing Elevation: 13.8' Client: Chevron Environmental Management <br /> Drilling Method: Hollow Stem Auger Company <br /> Auger Size: 4.25"ID Borehole Depth: 80' <br /> Rig Type: CME-75 Location: Former Chevron Facility 9-8227 <br /> Surface Elevation: N/A 242 North Sutter Street <br /> Sampling Method: 18"long by 2"dia.split spoon Stockton ,CA <br /> Descriptions By: Tonya Myers <br /> � a <br /> � a <br /> a� c <br /> 4 m a E <br /> Z = S m N 0 Well/Boring <br /> Ox c m o j c Stratigraphic Description Construction <br /> 2 Qm m > U m o)O_ a o = o <br /> CL W J 'TO O > Q C O <br /> m <br /> o W V) rn m Z a Q O <br /> No Recovery.The boring was hand-cleared from 0 to 8 feet bgs. Flushmount well <br /> 0 cover <br /> Portland/Bentonite <br /> grout(0.0'-33.5' <br /> bgs) <br /> 5 -s <br /> 24nch dia.PVC <br /> riser(0'-39'bgs) <br /> _= Brown Clayey fine SAND,slight plasticity,damp. <br /> 10 -ia — <br /> 1 9.5- NIA N/A NIA 0.0 — <br /> 11 —_ <br /> X <br /> 2 11- NIA NIA WA 0.6 —_— <br /> 12.5 — <br /> Brown CLAY,some fine Sand,medium plasticity,damp. <br /> 12.5 -- <br /> 3 -14 NIA WA WA 2.8 <br /> 14- -- <br /> 15 -15 4 15.5 WA NIA NIA 0.2 X <br /> MOM <br /> Remarks: bgs-below ground surface <br /> N/A-Not applicable/Not available <br /> Sampels were Submitted for analyses of BTEX(8260B),TPH-DRO(8015 MOD), and <br /> ARCADIS BBL <br /> TPH-GRO(8015 MOD). <br /> Infrastructure env;roomenr,fx;liries During development of well,52 gallons of water were purged. <br /> Project Number:B0045463.00004 Template:S:\KingofPrussia-PA\Log Plot\B0045463.0000\boring_wel12005analytical.ldf Page:1 of <br /> Data File:SB-1 MW-6D.dat Date:6/22/2007 ARC <br />