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ALTA EM, INC. LOG OF BORING B1 <br /> (Page 1 of 1) <br /> SIERRA LUMBER Date Drilled :6110104 Backfill Material ;Neat Cement <br /> 375 W.HAZELTON AVENUE Boring Depth :25' Baokill Interval :25'-0' <br /> STOCKTON,CALIFORNIA Hole 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 /> U ® Grab <br /> Depth = ■ ■ Other y u <br /> in Q Sample ovM lab <br /> co REMARKS <br /> # � Results <br /> DESCRIPTION <br /> feet � � m m t RPM <br /> 0 <br /> Asphalt Surface <br /> i <br /> -------------- <br /> -'k Dark yellowish brown,damp to ! No odor or discoloration in 5'sample. 3"recovery <br /> 5 - SM moist,silty fine SAND t "I 81-5 `1 only,driller reports very soft soil. <br /> ------------------------Li <br /> I <br /> I <br /> E (`Dark yellowish brown,damp to~ -- <br /> -s—mi moist,silty fine SAND <br /> 10-i CL M ■ B1-10 I 3 No odor or discoloration in 1ff sample. <br /> Moderate yellowish brown,damp to <br /> `moist.CLAY;with minor silt _ -_J <br /> I� <br /> --------------'---------- E <br /> Moderate yellowish brown,moist, <br /> 15 ML sandy SILT with minor clay------ <br /> ----- ■ 81-15 7 No odor or discoloration in 15 sampke_ <br /> Moderate olive brown,moist,fine -- 1: Moderate gasoline odor and olive discoloration in <br /> 20 SP SAND 81-20 200 <br /> 20'sample. <br /> a' -------------------------- ■ <br /> 0 <br /> m <br /> m p i <br /> C? Groundwater encountered at-22'-23, <br /> - r-------------------= <br /> ---� <br /> LW Moderate olive brown,saturated, <br /> CL CLAY <br /> Ctf Slight hydrocarbon odor and olive discoloration in <br /> g 25 - SP Moderate alive brown,saturated, a 81-25 58 25'sampte. <br /> _ `fine SAND <br /> IUJ ------------ --------- <br /> Collected in-situ ground watersample. Slight <br /> ti hydrocarbon odor in groundwater sample. <br /> N <br /> 30 <br /> i ' <br />