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<br /> Advanced BORING LOG
<br /> GeoEnviron mental, Inc. .. MW-2
<br /> .-, BOREHOLE NO .
<br /> 4005 North Wilson Way, Stockton, CA 95205
<br /> J (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 7518"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 /> Notes: Total depth of boring MW-2 equal to 70 feet bsg;MW-2 = Water level during drilling page 1 of 1
<br /> completed as 2-inch diameter ground water monitoring well. = Water level in completed well
<br /> 4
<br /> Depth Sample Blows PID Soil I USCS Class and Well Well
<br /> ID I ft. (ppm) Symbol Soil Description Completion Description
<br /> 0 Well vault.
<br />' Water tight,locking
<br /> well cap.
<br /> –5
<br />' – 0 MW2-10 10/13/19 0 = ML:Pale brown,dry,ven stiff,sandy SILT;fine sand.
<br /> No hydrocarbon{HC}odor.
<br />' 15 MW2-15 14/18/21 0 --i ML:Brown,damp,very stiff to hard,sandy SILT;fine
<br /> sand,no HC odor.
<br /> –20
<br /> MW2-20 18/28/30 0 —— MU Brown,damp,hard,sandy SILT;fine sand,no HC
<br /> odor.
<br /> –25 MW2-25 12/18/27 1 ——- ML:Yellowish-orange,damp,very stiff to hard,clayey Cement grout seal from
<br /> SE-T;no HC odor. 1'to 46'bsg.
<br /> '
<br /> –30— MW2 30 25150 2 SM:Gray-brown,moist,very dense,silty SAND;fine
<br /> 1 sand,faint HC odor.
<br /> –3 5 MW2-35 20/20/20 1 SP:Pale brown,damp,dense,SAND;fine sand,faint
<br /> HC odor.
<br /> 1
<br /> i -40— MW2 44 ]3118135 12 — ML:Yellc»vish-orange,moist,hard,c]ayey SILT;faint i
<br /> HC odor.
<br /> � 45— --
<br /> MW2-45 38/50 2 = ML:Dark brown,damp,hard,sandy SILT;fine sand,
<br /> Bentonite seal from 46'
<br /> faint NC odor. FBI to 48' bsg.
<br /> 42/12 sand from 48'to
<br /> ' 4 –
<br /> 1%W2-50 50 D =1 NIL:Brown,damp,hard,sand} SILT;fine sand,faint — 70'bsg.
<br /> HC odor.
<br /> i
<br /> MW2-55 50 0F–�SA��;
<br /> SM:Pale brown,saturated,dense to ver)dense,silty
<br /> ' fine sand,faint HC odor. I
<br /> t
<br /> –60-
<br /> - MW2-60 26150 0 1, SM:Yellowish-orange,saturated,dense,silty SAND; Screened interval from
<br /> fine sand,no HC odor. 50'to 70'bsg.
<br /> MW2-65 33150 0 —— - M1 Broom,very moist„hard,sandy SILT;fine sand,no
<br /> HC odor.
<br /> –70 �.
<br /> i MW2 70 50 0 — " SM:Ye]1oH ssh-orange,saturated,very dense,silty ®— Well plug at 70'.
<br /> SAND;fine sand,no HC odor.
<br />
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