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' Advanced BORING LOG <br /> GeoEnvironmental, Inc. BOREHOLE NO MW-4 <br /> 837 Shaw Road, Stockton, CA 95215 <br />' �—'� 209 467-1006 FAX 2 TOTAL DEPTH t <br /> ( ) ( 09}4fi7-1118 O P 93 <br /> Project Pacific Auto Center/Meek's RV Date(s) Drilled 09 June 2005 <br /> Project No AGE-NC-98-0540 Page 3 of 3 <br />' Depth Sample Blows PID Soil USCS Class and Well Well <br /> ID (per 6") (ppm) Symbol Soil Description Completion Description <br /> ML/SM Light brown moist,SILTY SAND and <br />' - <br /> 65— SANDY SILT very fine sand,trace gravel,moderate <br /> MW4-65 5/9/14 consistency,low plasticity and toughness,no HC <br /> odor <br />' Bentonite seal from 65' <br /> to 70' bsg <br /> SP Yellow gray,moist,SAND,poorly graded,80% <br /> -7 0 MW4-70 7111119 fine sand,20%medium sand loose,no HC odor in <br /> contact with <br /> CL Brown and yellow brown,moist,SILTY CLAY, <br /> 5%very fine sand,crumbly,no HC odor <br /> CL Greenish gray,moist,SILTY CLAY,visible <br /> 5— MW4-75 8/13/21 micas and oxidation high to moderate consistency <br /> moderate plasticity and toughness,no HC odor #3 sand from 70'to 93' <br /> bsg <br /> SP White-gray,very moist,SAND,poorly graded <br /> - <br /> 80— MW4-80 10/14/17 60%fine sand,40%medium sand loose,no HC odor <br /> CL Greenish gray,dry to moist SILTY CLAY, <br /> 10-IS%silt high consistency,low to moderate <br /> plasticity and toughness,no HC odor <br /> CL Greenish gray,very moist to saturated SILTY Screened interval 73'to <br /> - <br /> 85— MW4-85 7110114 CLAY,visible oxidation,trace gravel,moderate 93'bsg <br /> consistency,low to moderate plasticity and <br /> toughness,no HC odor <br /> CL Brown,very moist to saturated,CLAY,5%sand, <br /> - <br /> 90— MW4-90 517114 trace gravel, 10%silt,no HC odor <br /> -95 Well point at 93' <br /> I <br />