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<br /> Advanced BORING LOG
<br /> GeoEnvironmentai, Inc. BOREHOLE NO MW9
<br /> J\� 837 Shaw Road, Stockton, CA 95215
<br /> (209) 467-1006 FAX (209) 467-1118 TOTAL DEPTH 3o feet
<br /> Protect JIMCO TRUCK PLAZA Drilling Co West Haz Mat
<br /> Site Location 22502 SOUTH HIGHWAY 99 Rig/Auger Type CME-75/8mch hollow stem
<br /> RIPON, CALIFORNIA Logged By W LITTLE
<br /> Reviewed By C Lee
<br /> Protect No AGE-NC-98-0433
<br /> Date(s) Drilled 09 May 2002
<br /> Notes completed as ground water monitoring well MW-9 :�z Water level during drilling Page 1 of 1
<br /> water encountered at 20 feet bsg Water level in completed well
<br /> Depth Sample Blows PID Sod USCS Class and Well Well
<br /> ID {per 6") {ppm) Symbol Soil Description Completion Description
<br /> Well cover erAsty box
<br /> -5 MW9-5 1111,11 0 _ _ _
<br /> -- SM SILTY SAND,brown,dry,20%silt,low toughness
<br /> and plasticity,35% medium sand,45%fine sand,no Cement grout seal from
<br /> hydrearbon(HC)odor 5'to 8'bsg
<br /> Bentonite seal from 8'
<br /> 0 = ML SILT,,brown lines,damp,low toughness and to 9' bsg
<br /> MW9 10 21,24,21 0 medium plasticity,no HC odor
<br /> _15 _= ML SILT, brown fines,damp,low toughness and
<br /> MW9 15 20,29,32 0 medium plasticity,no HC odor #3 sand from 9'to 30'
<br /> bsg.
<br /> -20SP POORLY GRADED SAND,20%fine sand,
<br /> MW9-20 15,17,21 0 700/ncoarse/medium sand,black/gray,damp to saturated,
<br /> no HC odor
<br /> SP POORLY GRADED SAND,20%fine sand,
<br /> 5
<br /> MW9-25 35,37,34 0 80%coarse/medrum sand,gray,damp to saturated,strong Screened interval from
<br /> HC odor 10'to 30'bsg
<br /> -3 0 _ SM SILTY SAND,brown,saturated,20%silt,low Cap at 30'
<br /> MW9-30 15,17,24 0 _ _ toughness and plasticity,35% medium sand,45%fine
<br /> sand,no HC odor
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