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GRAPHIC BORING LOG PAGE 1 OF „
<br /> CLIENT Unocal PROJECT NO 1232 DRILL HOLE MW-24S/D
<br /> SITE LOCATION 5606 Pacific Avenue Stockton California
<br /> vli
<br /> LLING CO V & W Drilltn TYPE OF RIG Hobart Lon ear B-81
<br /> LLING METHOD/EQUIPMENT HSA HOLE DIAMETER 10"
<br /> DRIVE WEIGHT/HEIGHT OF DROP 140# 30" REFERENCE OR DATUM Surface
<br /> START DATE 2/23/01 COMPLETION DATE 2/23/01
<br /> JH
<br /> Hd .DESCRIPTION
<br /> X- o 0 0
<br /> tri O usri ¢i dH
<br /> 41.d i1 G1 Fa 3� 41�-[
<br /> [$- f- 4 H fL W< � w r'-`r Q- v0i Fes-� In TOUOwtng Order:.UTHOLOGY color,grain size 8orling angularay
<br /> L� r N t.t p X H aG H ¢ fossils consrst=y, wetlivss
<br /> u�xw c+Q 4 � o Jug H Oil Z j
<br /> to w to m� ut rn� m� t- ca at ::j
<br /> 75 18 1130 1 9 74-75' CLAYEY SILTY SAND, gray, fine sand, saturated,
<br /> 24 odor
<br /> 780
<br /> ML
<br /> $0 34 lI 40 3 $ 79-80' CLAYEY SILT, gray, saturated, odor
<br /> 50
<br /> Q
<br /> 3"
<br /> -840
<br /> 85 � CL
<br /> 27-40 1200 9 0 85-86' SILTY CLAY, blue gray, saturated, no odor
<br /> 23 32 12 10 7 6 86-87' SLIGHTLY SANDY SILTY CLAY, blue gray, saturated,
<br /> 10-18 12 15 24g8 odor
<br /> 10-12 1220 3 8 SP gg a 87 -88' SLIGHTLY SANDY SILTY CLAY, blue gray, saturated,
<br /> ML no odor
<br /> g0 25-4-0 12 30 27 905 88-89' SLIGHTLY SILTY SAND, dark brown, fine sand,
<br /> saturated, no odor
<br /> 50 12 35 2 5 SM 89-90 5' SLIGHTLY SANDY SILT, olive saturated, odor
<br /> 91-92 5' VERY SILTY SAND, brown, very fine sand,
<br /> 95 42 I2 40 2 7 95 0 saturated, no odor
<br /> 93 5-95' VERY SILTY SAND, brown, very fine sand,
<br /> 50 CL saturated, no odor
<br /> 29-39 12 50 20 95 5-97' SLIGHTLY SANDY SILTY CLAY, gray, fine lana
<br /> 970 saturated, no odor
<br />' 25-50 12 55 3 7 SM 98 0 97-98 5' SILTY SAND TO 98', 98-98 5 SILTY CLAY, olive,
<br /> CL saturated, no odor
<br /> 100 / 38-48 1 15 5 7 99-100 5' SILTY CLAY, olive, saturated, faint odor
<br /> i 4$-50 1 25 4 2
<br /> 100 5-102' SILTY CLAY, olive, saturated, faint odor
<br /> 38-50 1 30 05 IO2-103 5' SLIGHTLY SANDY SILTY CLAY, olive, saturated,
<br /> faint odor
<br /> 105 40-50 1 35 0 3 103 5-105' SILTY CLAY, olive, saturated, no odor
<br /> 54 1 40 02 1065 105-106 5' SILTY CLAY, olive, saturated, no odor
<br /> 110
<br /> NOTES
<br /> ENVIRONMENTAL AUDIT, INC NOTE This Boring Log Represents Conditions Oniy at Time and Location
<br /> Indicated Subsurface Conditions May Ditfer at Other Locations and
<br /> Times
<br /> LOGGED BY BHM DATE 02/23/01 APPROVED BY BHM RG I# 5649
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