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Advanced BORING LOG
<br /> GeoEnvironmental, Inc. BOREHOLE NO.: MW-2
<br /> ' 4005 North Wilson Way, Stockton, CA 95205
<br /> (209) 467-1006 FAX: (209)467-1118 TOTAL DEPTH: 70
<br /> ' 'Project: Grewals Market Drilling Co.: Mitchell Drilling Environmental
<br /> Site Location: 4100 East Fremont Street Rig/Auger Type: CME 75 /8" hollow stem
<br /> Stockton Logged By: B. Millman
<br /> California Reviewed By: N. Henderson
<br /> Project No.: AGE-NC-97-0327 Date(s) Drilled: 02/01/00
<br /> 1
<br />[, Notes: Total depth of boring MW-2 equal to 70 feet bsg;MW-2 �z Water level during drilling Page 1 of 1
<br /> completed as 2-inch diameter ground water monitoring well. 3r Water level in completed well
<br /> Depth Sample Blows PID Soil USCS Class and Well Well
<br /> Y' ID 1 f#. (ppm) Symbol Soil Description Completion Description
<br /> u' 0 Well vault.
<br />' Water tight,locking
<br /> well cap.
<br /> —5
<br /> —10 MW2-10 10/13/19 0 ML:Pale brown,dry,%•cry stiff,sandy SILT;fine sand.
<br /> ri
<br /> No hydrocarbon(HC)odor.
<br /> 5 MW2-15 14/18/21 0 —— = ML:Brown,damp,very stiff to hard,sandy SILT-fine
<br /> sand,no HC odor.
<br /> 20— MW2-20 18/28/30 0 —=J ML:Brown,damp,hard,sandy SILT;fine sand,no HC
<br />' odor.
<br /> —25
<br /> MW2-25 12/18/27 1 —— = ML:Yellowish-orange,damp,very stiff to hard,clayey HC odor. Cement grout seal from
<br /> SILT;no 1'to 46'bsg.
<br />' —
<br /> 30 MW2-30 25/50 2 I SM:Gray-brown,moist,very dense,silty SAND;tine /
<br /> sand,faint HC odor.
<br />' —
<br /> 35 MW2-35 20/20/20 1 SP:Pale bro An,damp,dense,SAND;fine sand,faint
<br /> HC odor. �.
<br /> —40—
<br /> MW240 13/18/35 12 =_' ML:Yellowisb-orange,moist,hard,clayey SILT;Faint '
<br />' HC odor.
<br /> —45
<br /> MW2-45 38/50 2 —— ML:Dark bmo%m,damp,hard,sandy SILT;fine sand:
<br /> faint HC odor. Bentonite seal from 46'
<br />' —— to 48' bsg.
<br /> — MW2-50 50 0 ML:Brown,damp,hard,sandy SILT;fine sand,faint42/12 sand from 48'to
<br /> I HC odor. = 70'bsg.
<br /> MW2-55 50 0 SM:Pale brown,saturated,dense to very dense,silty 1 = !
<br /> SAND;fine sand,faint HC odor. � __
<br /> —60 MW2.60 26/50 0 SM:Yellowish-orange,saturated,dense,silty SAND; !
<br /> !�� � g �' � Screened interval[loin
<br />' tine sand,no HC a1or. = 50'to 70'bsg.
<br /> 5 MW2-65 33150 0 ML:Brown,very moist„hard,sandy SILT;fine sand,no _—
<br /> HC odor. —
<br /> 1 --
<br /> 0 MW2-70 50 0 SM:Yellowish-orange,saturated,very dense,silty Well plug at 70',
<br /> SAND;fine sand,no HC odor.
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