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<br /> Advanced BORING LOG
<br /> - GeoEnvironmental, Inc.
<br /> r BOREHOLE NO MW-16
<br /> r 837 Shaw Road, Stockton, CA 95215
<br /> (209)467-1006 FAX (209)467-1118 TOTAL DEPTH 101 FT.
<br />' Project PACIFIC CAR WASH Date(s) Drilled October 20, 2003
<br />' Project No AGE-NC-96-0229 Page 2 of 2
<br /> Depth $ample Blows PID Soil USCS Class and Well Well
<br /> ID (per 6") (ppm) Symbol Soil Description Completion Description
<br /> fine sandy SILT,less than 10%sand,no odor
<br />' Bentonite seal
<br /> -
<br /> 60 56 to 61 feet
<br /> MWI6-60 27/24/31 0 CL Pale brown,very moist,hard,silty CLAY,no sand,
<br /> soft,low plasticity,no odor No 3 sand filter pack
<br /> 61 to 67 feet
<br />' Screen interval
<br /> -65
<br /> MW16-65 18/22/25 0 62 to 67 feet
<br /> 5M Pale brown,saturated,dense,clayey,fine SAND,
<br /> 601/a sand/40%fines,well compacted,no odor
<br />' -70 MW16-70 18/18/23 0
<br /> SP Brown,saturated,dense fine grain SAND,less
<br /> than 10%tines,unconsolidated,no odor Bentonite seal
<br /> I — — 67 to 77 5 feet
<br /> -7 5 MW16-75 29/32/36 0 SP Pale brown,saturated,dense,fine grain SAND,no
<br /> fines,unconsolidated,no odor
<br />' — — No 3 sand filter pack
<br /> -$0 77 5 to 85 feet
<br /> MW16-$0 33/33/38 0 _ _ _ SP-SM Pale brown/gray,saturated,dense,fine grain
<br /> Screen interval
<br /> SAND,less than 10%fines,unconsolidated,no odor 79 to 84 feet
<br /> -85 MW16-85 123/25/28 00
<br /> SM Brown,saturated,dense,silty,fine SAND,80/a
<br />' sand/20%fines,no odor
<br /> Bentonite seal
<br /> -90 MW16-90 24/21/18 085 to 93 feet
<br /> SP Pale brown/gray,saturated,dense,fine grain SAND
<br />' w/some medium sand,no fines,unconsolidated,no
<br /> odor
<br /> No 3 sand filter pack
<br /> -95 93 to 101 feet
<br /> MW16-95 24/27/31 0 SP Pale brown,saturated,dense fine grain SAND w/
<br />' some medium sand,no fines,unconsolidated,no odor Screen interval
<br /> 95 to 100 feet
<br /> -10 MW16-100 26/26/24 0 Bottom well plug
<br /> SP Pale brown,saturated,dense,fine gram SAND w/ P g
<br /> some medium sand,no fines,unconsolidated,no odor 100 feet
<br /> 1
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