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BORING -LGC ­- - _ -__ <br /> GeoEnvironmentai, Inc. BOREHOLE NO MW-19 <br /> 837 Shaw Road, Stockton, CA 95215 <br /> (209)467-1006 FAX (209) 467-1118 TOTAL DEPTH 50 FEIET <br /> Project FLAG CITY CHEVRON Drilling Co CASCADE DRILL <br /> Site Location 6421 CAPITOL AVENUE Rig/Auger Type CME-75HT/8-INCH AUGERS <br /> LODI Logged By T CUELLAR <br /> CALIFORNIA Reviewed By C LEE _ <br /> Project No AGE-NC-96-0232 Date(s) Drilled 14 MAY 2004 <br /> Notes Soil continuously sampled between 15 and 50 feet, Water level dunng drilling Page 1 of 1 <br /> Boring dual-completed as momtonng well MW-19 s Water level in completed well <br /> Sample Blows PID soil USCS Class and Well Well <br /> Depth ID (per 6") (ppm) Symbol Soil Description Completion <br /> ID Description <br /> 0 <br /> Top Well Cap 0 5' <br /> Cement grout seal <br /> 5 K. <br /> MW 19-5 --- -- IVO SAMPLE No soil sample collected 0 5 ft-6 8 <br /> Bentonite sea] <br /> 6ft-8ft <br /> 1 <br /> -10 ! <br /> MW 19-10 --- --- NO SAMPLE No soil sample collected <br /> � a <br /> -15 MW19-15 - 0 ML (15'-18')Pale brown-gray,very moist,fine sandy <br /> #3 sand <br /> SILT,60%fines/40%sand,no odor <br /> � 8t1-255ft <br /> -20 -- i <br /> MW19-20 5 — — — SP-SM (18'-20')Brown,saturated,fine SAND w/fines, <br /> 90%sand/]0%tines,no odor <br /> Screen interval <br /> loft-25ft <br /> -25 MW19-25 --- 0 — ML-SM (20'-25')Pale brown w/wbite <br /> ppt,black Crag, Bottom WciI-Cap A <br /> very moist,silty fine SAND/fine sandy SILT,50%sand 25 ft <br /> /501/o fines,no odor <br /> -30 MW19 30 0 ML (25'-36')Brown/ <br /> gray w/white ppt,black frag,very <br /> moist,fine sandy,clayey SILT,70%fines/30%sand, <br /> well compacted,no odor Bentonite seal <br /> 255 ft 43 ft <br /> -35 MW19-35 -- 0 = SM (36'-38')Pale brown/orange-brown,saturated,fine <br /> SAND w/silt,80%sand/20%fines,unconsolidated,no <br /> odor <br /> -40 MW19-40 0 SP (38'46')Pale brown,saturated,tine SAND,less <br /> than 5%tines,unconsolidated,no odor <br /> #3 sand <br /> -45— MW19-45 -- 0 SP Pale brown,saturated,fine SAND,less than 5% 43 ft-50 ft <br /> fines,unconsolidated,no odor Screen interval <br /> 45ft-50ft <br /> 5 0 M W 19-50 - 0 SM (46'-50')Pale brown/orange-brown,saturated,silty Bottom Wel]Cap B <br /> 50 ft <br /> fine SAND,70%sand/30%fines,soft,no odor <br /> I <br /> -55 <br />