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Advanced BORING LOG
<br /> GeoEnvironmental, Inc.
<br /> I BOREHOLE NO.: MW9
<br /> -837 Shaw Road, Stockton, CA 95215
<br /> (209) 467-1006 FAX: (209) 467-1118 TOTAL DEPTH: 30 feet
<br /> Project: JIMCO TRUCK PLAZA Drilling Co.: West Haz Mat
<br /> Site Location: 22502 SOUTH HIGHWAY 99 Rig/Auger Type: CME-75/8inch hollow stem
<br /> RIPON, CALIFORNIA Logged By: W. LITTLE
<br /> Reviewed By: C. Lee
<br /> Project No.: AGE-NC-98-0433
<br /> Date(s) Drilled: 09 May 2002
<br /> Notes: completed as ground water monitoring well MW-9 s Water level during drilling
<br /> Page 1 of 1
<br /> water encountered at 20 feet bsg _ Water level in completed well
<br /> Depth Sample Blows PID Soil USCS Class and Weil Well
<br /> ID (per 6") (ppm) Symbol Soil Description Completion Description
<br /> 0 We 11 cover cristy box
<br /> -5 MW9-5 111.11,11 00
<br /> SM:SILTY SAND,brown,dry,20%silt,low toughness
<br /> andplasticity,35% medium sand,45%fine sand;no Cement gout seal from
<br /> hydrearbon(HC)odor. .5'to 8'bsg.
<br /> Bentonite seal from 8'
<br /> -10 ML:SILT,,brown fines,damp,low toughness and
<br /> MW9-10 21,24,21 0 medium plasticity,no HC odor_ to 9' bsg
<br /> -15 — ML:SILT, brown fines,darup,low toughness and
<br /> MW9-15 20,29,32 0 mediumplasticity,no HC odor. #3 sand from 9'to 30'
<br /> p
<br /> � bsg
<br /> -20 SP:POORLY GRADED SAND,20%fine sand,
<br /> MW9-20 15,17,21 0 70%coarse/mediu n sand,black/gray,damp to saturated,
<br /> no HC odor.
<br /> -2 5 SP:POORLY GRADED SAND,20%fine sand,
<br /> MW9-25 35,37,34 080%coarse/medium sand,gray,damp to saturated,strong Screened interval from
<br /> HC odor. 10'to 30'bsg.
<br /> -30— SM:SILTY SAND,brown,saturated,20%silt,'low _J Cap at 30'.
<br /> MW9-30 15,17,24 0 _ _ _ toughness and plasticity,35%a medium sand,45%fine
<br /> sand,no HC odor.
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