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' Project Pacific Car Wash Project No AGE-NC-96-0229 BORING NO <br /> Site Address 4405Pacific Avenue Total Depth 55 ft MW-10 <br /> Stockton, California Date 15 October 1998 <br /> Drilling Co West Haz Mat Drilling Logged by T Cuellar Page 2 of 2 <br /> Drill Rig Type B-57 Mobile Drill Rig Reviewed by N Henderson <br /> Q �` Q 04�b4fi G �`'GG�S Lithologic Description <br />' – o Gray/brown, saturated,gravelly, silty, fine to coarse SAND <br /> MW10-45 0 - SW ° About 90%sand, less than 5%fines, less than 5°/u gravel <br />' – No HC odor <br /> Gray, saturated,gravelly, clayey, fine to coarse SAND <br />' 50— WIO-50 0 - SW About 90%sand, Iess than 5%fines, Iess than 5%gravel <br /> No HC odor <br />' – Brown, very moist, fine sandy,clayey SILT About 90%fines, <br /> W 10-55 0 - ML I about 10%sand No HC odor <br /> 1 Boring MW-10 terminated at 55 feet below surface grade <br /> MW-10 dual-completed as a ground water monitoring well <br /> 60— utilizing 2-inch diameter PVC casing <br /> 4 S-BUILT COYhSZRUCTION DZTA1L 4_ MW-10 <br /> INTERVAL A <br /> Screen Interval 23 to 43feet bsg <br /> Blank Interval 0 5 to 23 feet bsg <br /> Sand Interval 21 to 43 feet bsg <br /> Bentonite Plug 18 to 21 feet bsg <br /> 70— Grout Seal 1 to 18 feet bsg <br /> INTERVAL B <br /> I – Screen Interval 50 to 55 feet bsg <br /> Blank Interval 0 5 to 50 feet bs,- <br /> Sand Interval 47 to 55 feet bsg V <br /> Bentonite Plug 43 io 47 feet bsg <br /> 80— <br /> Advanced A <br /> GeoEnvironmental, Inc. <br /> I L <br /> III IPR01B0RING-11PACCAR-110229MW10 SAM 01/07199 @ 1 21 PM <br />