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Geological Technics Inc. <br /> Borehole Log <br /> Project Name George's Service Borehole No MW-7 Page 1 of 1 <br /> Project No 4252 Date 4/29197 Contractor <br /> Area & County Corner of Durham Ferry Rd and Hwy33l San Joaquin Co. _ <br /> Field Geo/Eng M Niemi Drilling Method Hollow Stem Auger <br /> Borehole Dia S Tot Depth 22. Tot Casing Depth 22' Casing Dia 2 Screened Interva[ 22'-7' <br /> 0.020" ' <br /> Fitter Pack 22'-6' Annular Seal 6'-4' Slot Size Grout 4 —0 mater Depth {'/-7 <br /> L In d C: <br /> o Remarks <br /> CEcu E a -- E 1 U E Description ova (PPM) <br /> 0 - clcac� y G1 L) 3 Q U C cn <br /> 0 <br /> 5 --- <br /> 1451 y --= ML SILT—(2 5Y6/8), slightly plastic. Q <br /> 1• g - <br /> 10 —_ <br /> s T CL CLAY--(10YR4/3), very hard. only p <br /> s — — enough sample for geology <br /> 15 y <br /> — 9 -- SM SILTY SAND--(2 5Y6/4), grading to clay p <br /> J;tCL in bottom 6", hard. <br />' 20 a <br /> 1506 3 SM SILTY SAND—(2 5Y5/6), very fine to fine Q <br /> grained, slight silt matrix <br />' 25 <br /> 1030 <br />' Notes SAND CLAY ® Annular Seal ® Grout <br /> SILT Sample Submitted to Laboratory <br /> 1 <br />