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Geological TeOhnics Inc. 0
<br /> Borehole Lo
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<br /> Project Name_ George's Service Borehole No. MW-107 Page 2 of 2
<br /> Project No. 425.2 Date 7/1/98
<br /> Contractor V&W Drilling
<br /> ' Area & County Qgrner of Durham Ferry Rd and Hw".J/ San JoaquinCo,
<br /> Field Geo/Eng M. Niemi Drilling Method Hollow Stem Auger
<br /> Borehole Dia B" Tot. Depth-52L Tot. Casing Depth 52' Casing Dia.2„ Screened Interval 49.5-47
<br /> Filter Pack 52-45' Annular Seal 45-43' Slot Size 0.020 Grout 43-0' Water Depth +/-7'
<br /> L p i
<br /> o 101 E _ 0 E p N Remarks
<br /> o° E vC1iz ~ o ° 41 v o w 0 Description OVM (ppm)
<br /> 3 3n UO � N
<br /> ' 1450 50/2, gyy GRAVELY SAND—very fine to very coarse
<br /> grained, loose. 0
<br /> ' 3
<br /> 1457 a o00000o GP SANDY GRAVEL—medium to very coarse 0
<br /> ' s ° o ° o grained, loose, slightly heaving.
<br /> 40
<br /> ze _ _ = ML SILT—(2.5Y5/6), firm. 0
<br /> 35
<br /> 1
<br /> 45
<br /> 1554 e4 0000000 GC CLAYEY SANDY GRAVEL—loose, angular 0
<br /> grovels of chart and sandstone.
<br /> ' 50
<br /> 1609CL CLAYEY SAND—very fine to medium 0
<br /> ' -- grained, some gravel, 52-52'3".
<br /> SANDY CLAY—very fine grained, firm,
<br /> 52'3"-53.5' .
<br /> Notes: SAND CLAY ® Annular Seal ® Grout
<br /> ' SILT °o° GRAVEL Sampie Submitted to Laboratory
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