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I <br /> Advanced BORING LOG <br /> _= GeoEnvironmental, Inc. BOREHOLE NO MW-7 <br /> 837 Shaw Road, Stockton, CA 95215 <br /> (209)467-1006 FAX (209)467-1118 TOTAL DEPTH 150 FT. <br /> Project TOP FILLING STATION Drilling Co WEST HAZ MAT DRILLING <br /> Site Location 101 SOUTH WILSON WAY Rig/Auger Type B-95/8-INCH H S <br /> STOCKTON Logged By T CUELLAR <br /> CALIFORNIA Reviewed By N HENDERSON <br /> Project No AGE-NC-95-0130 <br /> Date(s) Drilled 09/26/01 <br /> Notes Soil bonng MW-7 continuously cored from 60 to 150 fee bsg Water level during drilling Page 1 of 2 <br /> MW-7 completed as multi-level ground water monitoring well -,w Water level in completed well <br /> i <br /> Depth Sample Blows PlD Soil USCS Class and Well Well <br /> ID (per 6") (ppm) Symbol Soil Description Completion Descnptlon <br /> 0Well cover,water- <br /> NIA Started continuous core sampling at 64 feet bsg tight,locking cap <br /> -5 <br /> -10 <br />' -15 Cement grout seal from <br /> l'to 30'bsg <br /> 20- <br /> -30 <br /> 0-30 i Bentonite seal from 30 <br /> to 33' bsg <br />' <br /> 35— <br /> #2/12 sand from 33 to <br /> 45'bsg <br /> Screened interval from <br />' - = 35'to 45'bsg <br /> Bentonite seal from 45' <br /> to 48'bsg <br />' - <br /> 50 — #212 sand from 48'to <br /> 55'bsg <br /> -55— F'I I ; ` Screened interval from <br /> 50'to55'bsg <br /> -60 -- Illl1 III <br /> I I;' Bentonite seal from 55 <br /> ML Mottled brown/gray with some white precipitate, I <br /> moist,sandy,clayey SILT,fine sand,about 90°/9 fines I {j 1 I ,I to 68'bsg <br />' <br /> -651 65 and 10%sand,partly cemented,moderate petroleum i Iw� I i k, <br /> - odor I ' <br /> _ I�,�� <br /> ML Brown-gray with some white precipitate,moist, #212 sand from 68'to <br />' -70 sandy SILT,clayey fine sand about 70%fines and � 75'big <br /> 30°/9 sand,partly cemented,moderate petroleum odor <br /> SP/SM Dark brown,moist,unconsolidated SAND with Screened interval from <br /> �' 7D'to 75'bsg <br /> -75— <br />' = some fines fine sand,about 90°/9 sand and 10%fines, ; <br /> M W7-77 no petroleum odor I I I <br /> -ao� <br />