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<br /> i
<br /> �. Advanced BORING LOG
<br /> GeoEnvironmental, Inc. BOREHOLE NO.: MW-2 i
<br /> 837 ShaW Road; Stockton, CA 95215
<br /> (209)467-1006 FAX: (209)467-1118 TOTAL DEPTH: 35 Feet
<br /> Project: Bob's Muffler Shop Drilling Co.: Mitchell DrillingErivironmental Corp:
<br /> Site Location: 466 Moffat Boulevard Rig/A ger Type: CME-75HT/8"Dia. Hollow Stem Augers
<br /> Manteca, Califort•Iia Rogge By: T.Mikacieh
<br /> Reviewed By: N. Henderson
<br /> Project No.: AGE-NC-98-0520
<br /> Date(E) Drilled: 12/09/99
<br /> Notes:
<br /> Water level during drilling page 4 of 1
<br /> s Water level in completed well
<br /> Depth Sample Blnws PIR Soil. USCS Class and Well Well
<br /> ID ;:,', (per 6") {ppm) Symbol Soil Description Completion Description
<br /> i
<br /> No sample collected.Auger returry were primarily Cement grout seal from
<br /> -5 ___ composed of brown,fine sand,wit t coarse gravel. 0.5 to.9'.bsg.
<br /> l SP:-SM: Brown,moist,loose,POORLY GRADED
<br /> MW-2-10' 3/4/5 0.0 SAND WITH SILT;fine sand,10%silt fines,no Bentonite seal from 9
<br /> petroleum hydrocarbon(HQ odor to'12' 'bsg.
<br /> SP:Brown,moist,medium dcnsei POORLY GRADED
<br /> 5
<br /> MW-2-15' 6/9/i 3 0.0 SAND;with medium sand,traces It fines and medium
<br /> to coarse sand;no HC odor..
<br /> #3 sand from 12 to 35'.
<br /> bsg.
<br /> CL:Dark gray to olive-green,moi t,very stiff,LEAN
<br /> _20—
<br /> MW-2-20' 7110115 0.3 CLAY;with trace silt and medi u sand,faint 14C odor.
<br /> - ML:Olive-green gray,wet,very sl iff,SIL'r;with trace
<br /> clay,intense HC.odor.
<br /> CL:Brown to olive-gray,tnoist,very stiff,LEAN
<br /> _25—
<br /> MW-2-25' 8/10114 8 CLAY;with silt,I-IC odor. Screen interval from 15
<br /> to 35'bsg,0.020-inch
<br /> ML:Gray to olive-green,wet,vel stiff,SILT;with slots.
<br /> clay,HC odor.
<br /> 1
<br /> -30—
<br /> 3 0 ML:Dark olive-gray,wet,very stiff,SILT;with trace
<br /> MW-2-30' 9110112 4 fine sand,intense HC odor.
<br /> L:CLDark gray to olive-green,moist,'very stiff,CLAY;
<br /> silt and trace medium sand,intense HC odor.'
<br /> MU Brown to red to green,molal �ery'stiff,SILT;with
<br /> _3 trace clay,abundant iron oxidatio ,micas,slight HC End cap at 35'.
<br /> MW-2-35' 7/10/17 0.0 odor.Change at 34.5 feet bsg:brc wn to olive-gray,wet,
<br /> SILT;with trace clay and micas,,&int HC odor.
<br />
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