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r a <br /> Advanced BORING LOG <br /> GeoEnvironmental, Inc. BOREHOLE NO.: MW2 <br /> 837 Shave Road, Stockton, CA 95215 <br /> (209)467-1006 FAX: (209)467-1118 TOTAL DEPTH: 70 feet <br /> Project: ARROYO SIViOG Date(s) Drilled: 21 JULY 2005 <br /> Project No.: AGE-NC-04-1 1.68 Page 2 of 2 <br /> Depth Sample Blows PID Soil USCS Class and Well Well <br /> ID (per 6") (ppm) Symbol Soil Description Completion Description <br /> 1� 1 <br /> -45 _ � , 111:.:Olive-Brown,dry,CLAYEY SILT with.SAND; <br /> " <br /> ivell-graded(<0%),slight p1witieity,slight toughness, <br /> M1Y2.45 30,%31/31 12 slight consistency,slight HC odor, <br /> Bentonite seal from 45 to <br /> 48' bsg. <br /> -50 ML:Olive-Brown,dry,SANDY SILT;well-graded(16- <br /> 251/6),slight plasticity,slight toughness,slight <br /> MW2-50 28/30/30 1.7 consistency,slight BC'.odor. <br /> _y3 ML:Olive-Brown,damp,SANDY SILT;well-graded <br /> (10-250/},slight plasticity,slight toughness,slight #3/12 sand from 48'to <br /> M)XT2-55 32/34/30 12 consistency,slight 13C odor. - - 70'bsg. <br /> lou lines,l- a consistency, e u I p odor.city,...._edi6--- <br /> -60 7v).L:Olive-Brown/Gray,damp,SANDY SILTWith <br /> CLAY;well-nra<fed(<10%l,medium plasticity,medium Screened interval from <br /> MW2-60 21/23/19 0 g slight or, 50'toTO'bsg. <br /> -65 <br /> ?414:Olive-Brown with Gray streaks,saturated,:SANDY <br /> MW2-65 20/27_(19 0 SILT;well-graded(.10-25°/„),no 14C odor. ;+ <br /> �...._.. .............-........... .. <br /> ---- ----- <br /> -70 SM.:Green-Gray,saturated;SILTY SAND;well-graded Cap at 7C t'. <br /> (10-25%),NO 1-IC odor. <br /> - MW2-70 19/22/18 0 <br />