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t'� I <br /> Advanced BORING LOG <br /> GeoEnvironmental, Inc. <br /> BOREHOLE NO.. MW-7 <br /> 837 Shaw Road, Stockton, CA 95215 <br /> (209)467-1006 FAX: (209)467-1118 TOTAL DEPTH: 35 Feet <br /> Project: Bob`s Muffler Shop Drillin Co.: West Haz-Mat Drilling Corp <br /> Site Location: 466 Moffat Boulevard Rig/AL ger Type: LAR/8"Dia. Hollow Steln Augers <br /> Manteca, California Logged By: C.F. Lee <br /> Revie ed By: B.W. Millman <br /> Project No.: AGE-NC-98-0520 <br /> Date(s) Drilled: 02/25/02 <br /> Notes: Nater level during drilling <br /> Page 1 of 2 <br /> zNater level in completed well <br /> Depth Sample Blows PID Soil: €JSCS Class and Well Well <br /> ID (per,6') (ppm).ISymbol Soil Description Completion Description <br /> � 0 <br /> Well cover/cristy box <br /> I <br /> rout seal from <br /> --- -- -- — . 5M:Greenish brown,dry,uneonso idated fine sand Cement g <br /> with silt(<20%). 0.5 to 1 1'bsg. <br /> -- <br /> 1 -10 MW 7=10' 35/34l40 3.;5 <br /> SP:Yellowish green,moist,uncon olidatcd line sand; <br /> upper 113 contained root material. Bentonite seal from 1 I <br /> U I <br /> to 13' bsg. i <br /> i <br /> -15— <br /> MW-7-15' 18/25/34 3.9 SP:Yellowish bqeen,wet,unconso idated medium <br /> I Sand. <br /> i <br /> Y f <br /> SC:Yellowish green,wet,clayey fine sand;soft with <br /> II law plasticity.' <br /> MW-7-20' 17/47/50 4.5 SP:Olive green,rnoisi,unconsolid ted medium Sand. 43 sand from 13 to 35' <br /> bsg. <br /> CL:Olive green,moist clay with sit(<201/1o);moderate ; <br /> to high toughness,with high plash ity. <br /> 725— MW-7-25' 18/20/26 4.5 — Screen interval from 15 <br /> SM:Olive green,saturated,unconsolidated fine sand <br /> with silt(10%). to 35'bsg,0.020-inch <br /> slots. <br /> i <br /> t <br /> - 0 MW-7-30' 18/35/36 4.1 <br /> Si':Same as above. <br /> CL:Olive green;moist to saturatec silty clay;moderate <br /> toughness with low to medium plasticity. <br /> - <br /> 35— End cap.at 35': <br /> MW-7-35' 17/48/50 4.2 <br /> SP:Dark alive green,.saturated,ur consolidated or very <br /> soft fine sand. <br /> Ml-,Dark olive greeny saturated cl yey silt;moderate <br />