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I Advanced BORING LOG <br /> GeoEnvironmentalInc. <br /> � BOREHOLE NO MW-7 <br /> 837 Shaw Road, Stockton, CA 95215 <br /> �—J TOTAL DEPTH ' <br /> (209)467-1006 FAX (209)467-1118 ZrJ <br />' Project Yamada Brothers Drilling Co Mitchell Dnlling <br /> Site Location 15406 South Tracy Boulevard Rig/Auger Type CME-75HT/8" Dia Hollow Stem Auger <br /> Stockton, California Logged By Eyrene L Fisher <br /> Reviewed By William R Little <br /> Project No AGE-NC-98-0452 <br /> Date(s) Drilled 15 April 2004 <br /> Notes $z Water level during drilling page 1 of 1 <br /> 3E Water level in completed well <br /> Depth Sample Blows PID Soil USCS Class and Well Well <br /> ID (per 6") (ppm) Symbol Soil Description Completion Description <br /> 0 <br /> Cement gout seat from <br /> I 0 T to l'bsg <br /> Bentonite seal from 1'to <br /> 3' bsg <br /> -5 MW7-5 414/5 0 TOPSOIL Sampled,but only a bit of topsoil in <br /> remianing brass sleeves no hydrocarbon(HC)odor <br /> I #2/12 sand from 3'to 25' <br /> bsg <br /> 0 SP Gray brown,saturated,SAND,medium(60%)to <br /> IMW7-10 51618 0 fine(40%)sand,no fines,soft,no HC odor <br /> _ 5 ML Green brown,saturated,SANDY SILT, 15%fine 0 010 screened interval <br /> I MW7-15 416/7 0 to very tine sand,low plasticity and toughness, <br /> moderate consistency,no HC odor from Y to 25'bsg <br /> I <br /> I - <br /> 20— SP Gray brown,saturated,SAND,trace gravel, <br /> MW7-20 516/8 0 medeum(55%)to coarse(40%)grained,no HC odor <br /> ML Green brown,saturated,SANDY SILT,trace <br /> gravel,15110 fine to very fine sand,low plasticity and <br /> toughness,low to moderate consistency,no HC odor <br /> SW/ML Green brown,saturated,WELL GRADED <br /> -2 5 SAND,trace gravel,interbedded with SANDY SILT, End ca at 25' <br /> MW7-25 417/12 0 20-15%fine sand,malleable,no HC odor p <br /> 1 <br />