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Project: SFFBC - 1444 SOUTH LINCOLN STREET, STOCKTON, CA Log of Boring/Monitoring Well: <br /> Boring location: 8 FEET NORTH OF FORMER USTs I Project No.: 50090-011-01 MW- 1 <br /> Subcontractor and Equipment: MITCHELL DRILLING CME 75H I Logged By: LZ <br /> Sampling Method: CAL. MOD. SPLIT SPOON Monitoring Device: OVM 5808 Comments: <br /> Start Date/Time: 2/6/96//0845 Finish Date/Time: 2/6/96//1320 <br /> First Water (bgs): 42,0 FEET Stabilized Water Level (bgs): 29,81 FEET <br /> Surface Elevation: 10.22 FT. Top Casing Elevation: 9.77 FT. <br /> CU <br /> a J Boring Abandonment/ <br /> _ LITHOLOGIC DESCRIPTION <br /> E o o a 3 U °' (color, grain size, consistency, moisture, other) Well Construction Details <br /> m o a = <br /> 0 <br /> ASPHALT BASEROCK <br /> Traffic-noted <br /> DARK YELLOWISH BROWN (10YR 4/4) CLAY (CL) with Christy Box <br /> 2 fine gravel and fine--grained sand, soft, moist <br /> (10,10,0,80) <br /> 3 <br /> 4 <br /> 5 Grout <br /> 39 0 6 <br /> MW-1-6grades hard <br /> 7 <br /> 8 <br /> 9 YELLOWISH BROWN (10YR 5/4) CLAY (CL) trace fine-• <br /> grained sand, hard, moist, white fine-grained sand <br /> 10 <br /> 48 0 nodules (0,5,0,95) <br /> tdW-1�11 1 i 2*0 Sch.40 <br /> PVC Blank <br /> 12 Casing <br /> 13 <br /> 14 YELLOWISH BROWN (10YR 5/6) SILT (ML) trace fine- <br /> 15 to coarse-grained sand, hard, moist, magnesium <br /> oxide staining, white fine-grained sand nodules <br /> IOW-•1•-16 <br /> 56 25 16 (0,5,95,0) <br /> 17- <br /> 18- <br /> 19 <br /> 71819 YELLOWISH BROWN (1 QYR 5/4) CLAY (CL) trace fine- <br /> 20 to coarse-grained sand, hard, moist, gray to white <br /> medium-- to coarse--grained sand nodules (0,5,0,95) <br /> Mw-1-21 fi0 30 2t ' <br /> 22 <br /> 7 23 <br /> 24 GREENISH GRAY (5G 5/1) SANDY CLAY (CL) with silt, Bentonite <br /> 25 B fine-grained sand, hard, moist (0,15,10 75) :. Pellets <br /> 6 17 Lonestor #3 <br /> 50 <br /> 04-26 / 26 <br /> t'.� •��k Filter Pack <br /> 27 <br /> 28 2"0 Sch.40 <br /> 0.020" Slot <br /> 2g GREENISH GRAY (5G 5/1) CLAY (CL) hard, moist, —_ -;•' Screen <br /> chemical odor0 0 0100 { — <br /> 30 <br /> Reviewed By. Date: <br /> SEC0R Revised By. Date: Page 1 ofd <br />