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Project: ARCO Station # 760 Log of Monitoring Well: <br />�Dates <br /> tion 225 S Cherokee Ln,Lodi,CA P�65 <br /> umber 35466394 $-26 <br /> Dnlled 3/22104 Total Deptet Borehole Name <br /> W <br /> ontractor watermark Dnlhng Well Construction Date Logged By Matt Farris <br /> Diameter G 518 inch Casing Diameter Casing Type Checked By Vernon Elarth,R G <br />�Dnlhng Method Hollow Stem Auger Screen Interval Siot 5tze Sampling Mathod Split spoon <br /> omments Drilled approx 10 feet north of property in alley <br /> y UCL <br /> _ cn <br /> Cd �_ <br /> x a E" C7 LITHOLOGY DESCRIPTION WELL CONSTRUCTION <br /> 0Borehole backfilled with 0 <br /> Asphalt and aggregate base <br /> bentonite cement grout from <br /> Silty Sand(SM) Dark yellowish brown fine to medium total depth to surface <br /> grained sand up to 30%silt moist <br /> 5 5 <br /> 10 50/5 0 Trace coarse grained sand very dense 10 <br /> 15 15 <br /> 20 72 0 Sandy Silt(ML) Yellowish brown brittle approximately 20% 20 <br /> very fine grained sand damp hard <br /> 25 25 <br /> 30 80 6 l Olive brown slightly plastic slight petroleum odor and staining 30 <br /> hard <br /> 35 35 <br /> 40-- 49 0 Silty Sand(SM) Gray very fine grained approximately 20% 40 <br /> silt micaceous dense <br /> UM9112870 Gateway Oaks Dr Ste 300 <br /> 5-6792000 <br /> Sacramento CA 95833 <br />