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<br /> Advanced BORING LOG
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<br /> GeoEnvironmental, Inc. BOREHOLE NO MW-12
<br /> �5 837 Shaw Road, Stockton, CA 95215
<br /> (209)467-1006 FAX (209)467-1118 TOTAL DEPTH 125 FT.
<br /> ' Project PACIFIC PRIDE - S EL DORADO Date(s) Drilled 16 JULY 2003
<br /> Project No AGE-NC-97-0301 Page 2 of 3
<br /> Depth sample BlowsPID Sad USCS Class and Well Well
<br /> ID (per 6") (ppm) Symbol Soil Description Completion Description
<br /> -55 MW 12-55 30/32/32 0 ML Blue-gray,moist,hard,clayey SILT,90%fines&
<br /> 10%fine sand,faint hydrocarbon odor
<br /> -60— MW 12-60 32/34/35 0 ML Blue-gray w/white ppt,saturated,hard,sandy
<br /> ' SILT,60%tines&40%fine sand,no odor
<br /> -
<br /> 65— MW 12-b5 28/30/31 0 SP Gray,saturated,dense,SAND w/fines,90%fine #3 sand 63 76 ft
<br /> sand&10%fines,no odor
<br /> 70— MW12-70 28!30131 0 SP Gray,saturated,dense,SAND w/fines,90%fine Screened interval
<br /> sand&10%fines,no odor 65-75 ft
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<br /> -75— MW 12-75 26/26/28 0 SP Gray,saturated,dense,SAND w/fines,95%fine
<br /> sand&5%fines,no odor
<br /> ' -S 0 MW 12-80 28/30/31 0 SM Gray-green,saturated,dense,silty SAND,70%
<br /> fine sand&30%fines,trace gravel,no odor
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<br /> MW12-85 24!26129 0iLu ML Blue-gray,saturated,hard,SILT w/sand,90% Bentonite seal
<br /> fines&10%fine sand,no odor 76-93 ft
<br /> ' -9 0MWi2-90 23/25/26 l =_ SM Gray w/brown,saturated,dense,silty SAND,60%
<br /> fine sand&40%fines,trace gravel,no odor
<br /> 1 _
<br /> _95— MW 12-95 30/31/30 1 --__ SM Blue-gray,saturated,dense,silty SAND,60%fine
<br /> sand&40%fines,no odor
<br /> ' 43 sand 93-101 ft
<br /> _10G_ MW 12-100 28/30/31 1 —_ — SM Blue-gray,saturated,dense,silty SAND 60%fine
<br /> sand&40%fines,trace gravel,no odor
<br /> ' Screened interval 95-
<br /> 100 ft
<br /> -10 MW 12-105 27/29/30 0 ML Dark gray-blue,moist,hard,clayey SILT,no sand,
<br /> ' no odor
<br /> -I1 MW12-110 26/27/28 0 ML Dark gray-blue w/green,moist,hard,clayey SILT, Bentonite seal
<br /> ' 90%fines&10%fine sand,no odor 101-118 ft
<br /> ' -11 MW 12-115 27/27/29 0 SW Gray-blue,saturated,dense SAND,95%fine-
<br /> coarse sand&5%fines,unconsolidated,no odor
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