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Geological TAnics Inc.
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<br /> ' Project Nave George's Service Borehole No, MW-8 Page 1 of 1
<br /> Project No. 425.2 Date 4/30/97 Contractor y&W Drilling
<br /> tArea & County Corner of Durham Ferry Rd and Hwy 33/ Son Joaquin Co
<br /> Field Geo/Eng M. Niemi Drilling Method Hollow Stem Auger
<br /> Borehole Din, 8„ Tot. Depth 22' Tot. Casing Depth 22' Casing Dia. 2„ Screened Interval 22'-7'
<br /> ' Filter Pack_22'-6' Annular Seal 6'-4' Slot Size 0.020" Grout 4'-0' Water Depth +/-7'
<br /> N N d
<br /> + a o J � £ 4 £ Remarks
<br /> 0, n° z ~ o ° o (4T Description OVM (ppm)
<br /> ' 0
<br /> 3Q cin
<br /> U � n
<br /> ' S
<br /> 1124 io =_= CL CLAY—gray green, plastic, rust staining.
<br /> ' 13 ---
<br /> ' 10
<br /> 1130 sE::istieoving
<br /> SAND—fine to coarse grained, possrly
<br /> 7sorted, wet.
<br /> 15
<br /> ' — 1136SILTY SAND—(2.5Y6/4), fine to medium 0
<br /> grained, 15-15.5'.
<br /> SILT—(2.5Y6/4), slightly plastic,
<br /> 15.5-16.5'.
<br /> 20
<br /> 1141 8SILTY SAND—(2.SY6/4), fine grained. 0
<br /> material of 22' kept filling
<br /> augers.
<br /> ' 25
<br /> ' 30
<br /> Notes: SAND FE� CLAY ® Annular Seal ® Grout
<br /> ' SILT Sample Submitted to Laboratory
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