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Geological Technics Inc.- <br /> ,,,,,,,,,,,,,,,, <br /> Borehole Lo <br /> Project Name George's Service Borehole No. uW-102 Page 2 of 2 <br /> 1 Project No. 425.2 Date 4/29/97 Contractor V&W Drilling <br /> 1 Area & County Corner of Durham Ferry Rd and Hwy. 33/ San Joaquin Co <br /> Field Geo/Eng M. Niemi Drilling Method Hollow Stem Auger <br /> 12' 0-39' <br /> Borehole Dia.B-39-50Tot. Depth 50' Tot. Casing Depth 50' Casing Dia. 2" Screened Interval 47.5-45 <br /> � Filter Pack 50-43.5' Annular Seal 43.5-41' Slot Size 0.020" Grout 41-0' Water Depth +/-7' <br /> q � a C <br /> 0. E o J a £ ° � Remarks <br /> o(U Ef C z as o W o v N � Description OVM (ppm) <br /> 3 3Q � (4 ern <br /> 0708 SW HEAVING SAND-medium to very coarse <br /> grained, geology sample only. <br /> No hydrocarbon <br /> odor <br /> ' 3 <br /> SW HEAVING SAND <br /> ' 0801 -_- SANDY CLAY-(10YR5/8), fine grained 0 <br /> sand. <br /> ' 40 <br /> 0926 so/4• = CL CLAY-(2.SY6/8), very plastic, pieces of <br /> --- wood from auger plug. <br /> 0951 3SAND-fine to coarse grained, heaving, <br /> s limited core. <br /> 45 1004 3ai °o°°o°°a°o GC CLAYEY SANDY GRAVEL-fine to very <br /> ' a Eo°o°o°o coarse sand, gravel to 25mm. 0 <br /> 50 _ <br /> 1023 3o =_= CL CLAY-(2.SY6/8), plastic. 0 <br /> Notes; SAND CLAY ® Annular Seal ® Grout <br /> SILT °°° GRAVEL Sample Submitted to Laboratory <br /> 1 <br />