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Project:Orl terrlSes <br />Log of Monitoring Well: <br />Location: French Camp/ Turnpike Road, StockMffCA Project Number: 17325532 <br />MW-01 <br />Dates Drilled: 6/12/2006 <br />Total Depth: 30 feet <br />Borehole Name: MW-01 <br />Drilling Contractor: Gregg Drilling <br />Well Construction Date: 6/12/2006 <br />Logged By: PAC <br />Borehole Diameter: 8 inches <br />Casing Diameter: 2 inches <br />Casing Type: SCH 40 PVC <br />Checked By: Roger N <br />Drilling Method: Hollow Stem Auger <br />Screen Interval: 13 - 28 ft <br />Slot Size: 0.020-inch <br />Sampling Method: CA S.S. <br />Comments: <br />F <br />P <br />E <br />E <br />LITHOLOGY DESCRIPTION <br />WELL CONSTRUCTION <br />0 <br />------------------------------- -- <br />Grasses and tilled Topsoil <br />0 <br />— — <br />�T---------------------------------� <br />Silty Sand SM); dark yellowish brown; moderately graded, very <br />'•T.:p:.T.:r.: <br />fine to medium grained, subround to round; medium dense; <br />Flush Mounted Chris Box <br />ty <br />damp <br />TT-r'T. <br />TamT <br />- a-' <br />--------------------------------- <br />Silty Clay with Sand (CL); dark brown (10 YR 3/3); well <br />graded;very fine to fine grained sand; firm; medium plasticity; <br />5 <br />5 <br />2 <br />0.0/0.0 <br />0758 <br />damp <br />2" PVC Blank Casing <br />3 <br />0.5-13 ft <br />4 <br />_ <br />___________ <br />Clayey Silt (ML), minor sand; very dark brown (10 YR 2/2); <br />6 Sack Cement Slurry 1-9 ft <br />very fine grained sand; firm; medium plasticity; damp <br />r-------------------------------- <br />r Lense of Sand (SW); salt and pepper; well graded; very fine to t <br />10 <br />4 <br />0.0/0.0 <br />0805 <br />t coarse grained; subangular to round; quartz 70%, mafic 20%, t <br />Bentonite Chips 9 - I 1 ft <br />10 <br />feldspar 10%; medium dense; damp <br />4 <br />- - - - - <br />- - - - - — <br />7 <br />Sandy Silt (ML); olive brown (2.5 Y 4/3); very fine grained <br />sand; soft; slightly plastic; damp <br />15 <br />2 <br />0.0/0.0 <br />0811 <br />Sand Pack 13-32 ft <br />15 <br />4 <br />5 <br />SCH 40 PVC Screen 0.020 <br />Slot 13-28 ft <br />- <br />—————————————————————————————---- <br />r, .r. <br />•Y•• ry- <br />Silty Sand (SM), trace of clay; dark olive brown (2.5 Y 3/3); <br />20 <br />2 <br />0.0/0.0 <br />0820 <br />T -r` <br />moderately graded, very fine to medium grained, subangular to <br />Y rY gr g <br />20 <br />T. T' <br />round, spherical; medium dense; moist to wet <br />4 <br />M. <br />M.r <br />10 <br />T.:.t...% <br />T:.. <br />.T. T�,:r -r : <br />ST <br />25 <br />YTT <br />;.:' <br />25 <br />4 <br />0.0/0.0 <br />0828 <br />—� <br />--------------------------------- <br />7 <br />Clayey Silt (ML/CL); yellowish brown (10 YR 5/4); medium <br />8 <br />plasticity; stiff; mottled; damp <br />30 <br />3 <br />0.0/0.0 <br />0840 <br />30 <br />4 <br />i--------------------------------� <br />;:;:::::::::;::: <br />5 <br />T. T :r; <br />Silty Sand (SM); olive brown (2.5 Y 4/3); poorly graded, very <br />T T.' <br />;.T.' <br />fine to fine grained, submund to round; loose; no plasticity; wet <br />2870 Gateway Oaks Dr., Ste 300 <br />Sacramento, CA 95833 <br />URS916-679-2000 <br />