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ALTA EM, INC. LOG OF BORING B3 <br /> (Page 1 of 1) <br /> SIERRA LUMBER Dale Drilled :6/10/04 Backfill Material :Neat Cement <br /> 375 W.HAZELTON AVENUE Boring Depth :24' Backfill Interval :24'-0' <br /> STOCKTON,CALIFORNIA Hoke Diameter :1.5" Logged By :D.Kawasaki <br /> Drilling Method :Geoprobe <br /> 04483-01 Sampling Method :Direct Push <br /> Sampler Type <br /> ® 2"Split Spoon <br /> ® standard Penetrometer <br /> V VEER Grab <br /> De tha- Other <br /> 0 <br /> in Cn a a Sample y OVM Lab <br /> Q U REMARKS <br /> feet a DESCRIPTION i M # m (TPH) <br /> a <br /> Concrete Surface <br /> r SP Moderate yellowish brown,damp to t' 63-5 <1 No odor or discoloration in 5'sample. <br /> moist,fine SAND;with minor silt <br /> -------------- ------------- <br /> -- <br /> ------------------------ <br /> Moderate yellowish brown,with I Stronggasoline odor and no discoloration in 10' <br /> 10 ML layer.of olive grey,damp to moist, 83-10 k 112 sample- <br /> clayey <br /> am e <br /> clayey SILT;with trace fine sand p <br /> j �------------------------ <br /> r-----------------------.I <br /> Moderate yellowish brown,damp to Strong gasoline odor and no discoloration in IV <br /> 15- ML moist,clayey SILT;with trace fine , • 83-15 l 350 sample. <br /> sand ► .k I <br /> ------------------------- <br /> - <br /> •------•`------.-----._--. <br /> 1 <br /> Moderate yellowish brown,moist,- - Strong gasoline odor and no discoloration In 20' <br /> 20 SP fine SAND;with minor silt 83-20 , 870 sample. <br /> o ---------------------------- <br /> 0 <br /> m <br /> m Groundwater encountered at-22-23'. <br /> 0 <br /> rModerate yellowish brown,wet,silty- <br /> CL CLAY;with minor fine sand. a Moderate gasoline odor and no discoloration in <br /> w SP Moderate yellowish brown, a 83-24 415 24'sample. <br /> 25 \saturated,fine SAND ------- <br /> Collected In-situ groundwater sample. Moderate <br /> hydrocarbon odor in groundwater sample. <br /> L) <br /> v <br /> g <br /> N <br /> N <br /> 30 <br />