' GRAPHIC BORING LOG PAGE 3 OF �
<br /> CLIENT Unocal PROJECT NO 1232 DRILL HOLE MW-24S/D
<br /> SITE LOCATION 5606 Pacific Avenue Stockton, California
<br /> RILLING CO V &W Drilling TYPE OF RIG Hobart Longyear B-81 _
<br /> ORILLING METHOD/EQUIPMENT HSA HOLE DIAMETER 10"
<br /> DRIVE WEIGHT/HEIGHT OF DROP 140#030" REFERENCE OR DATUM Surface
<br /> START DATE 2/23101 COMPLETION DATE 2/23/01
<br /> W H �_ DESCRIPTION
<br /> i--x- o O� a o C
<br /> Z u Z "`
<br /> H Z
<br /> X E^ a F W �4 1A Following Qr4er UTHOLQGY, whir, groin size,�orttng, angularaY
<br /> 4U3Q 3 W Ji_ 6
<br /> k'� 3--h8 U o# r_ H ¢ F-4 C U)Vi fttK5il5, ¢4n5iSCeriGY tiut:triesS
<br /> 0]-i 11.1. t'j 0.J 0 OV 4-1 to A- f 0 nr- Z 4J N�
<br /> 75 18 1130 1 9 74-75' CLAYEY SILTY SAND, gray, fine sand, saturated,
<br /> 24 odor
<br /> 780
<br /> ML
<br /> 34 1140 3 8 79-80' CLAYEY SILT, gray, saturated, odor
<br /> 80 50
<br /> 3
<br /> 840
<br /> CL
<br /> 85
<br /> 27-40 1200 90 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 2 4 880 no odor
<br /> ]0 1z 12 20 3 8 SP 87-88' SLIGHTLY SANDY SILTY CLAY, blue gray, saturated,
<br /> 89 0 no odor
<br /> 0 25-40 1230 2 7 ML 905 88-89' SLIGHTLY SILTY SAND, dark brown, fine sand,
<br /> SM saturated, no odor
<br /> 50 12 35 2 5 89-90 5' SLIGHTLY SANDY SILT, olive, saturated, odor
<br /> 91-92 5' VERY SILTY SAND, brown, very fine sand,
<br /> 31saturated, no odor
<br /> 42 1240 27 95 0 93 5-95' VERY SILTY SAND, brown, very fine sand,
<br /> 95 50 CL saturated, no odor
<br /> 29-39 12 50 2095 5-97' SLIGHTLY SANDY SILTY CLAY, gray, fine sand,
<br /> 97 0 saturated, no odor
<br /> 25-50 12 55 3 7 SM 980 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 /> 48-50 1 25 42 100 5-102' SILTY CLAY, olive, saturated, faint odor
<br /> 38-50 1 30 0 5 102-103 5' SLIGHTLY SANDY SILTY CLAY, olive, saturated,
<br /> faint odor
<br /> 40-50 1 35 0 3 103 5-105' SILTY CLAY, olive, saturated, no odor
<br /> 105 105-106 5' SILTY CLAY, olive, saturated, no odor
<br /> 50 1 40 02 1065
<br /> 110
<br /> NOTES
<br />' ENVIRONMENTAL AUDIT, INC NOTE This Boring Log Represents Conditions Only at Time and Location
<br /> Indicated Subsurface Conditions May Differ at Other Locations and
<br /> Times
<br /> LOGGED BY BHM DATE 02/23/01 APPROVED BY BHM RG # 5649
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