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Project Flag City Chevron Project No AGE-NC-96-0232 BORING NO <br /> Site Address 6421 Capital Avenue Total Depth 25 ft MW-7 <br /> Lodi, California Date 30 June 1998 <br /> Drilling Co Central Valley Drilling Logged by T Cuellar Page 1 of 1 <br /> Drill Rig Type B-53 Mobile Drill Rig Reviewed by N Henderson <br /> Lithologic Descripta;on <br /> - - - No samples collected <br /> E <br /> 10— MW7-10 01 11-14-27 ML Pale brown,moist,fine sandy, clayey,very stiff SILT About <br /> 90%nonplastic fines,about 10%fine sand No petroleum <br /> hydrocarbon(HC)odor <br /> IMW7-15 0 11-17-22 ML i Mottled,gray and red-brown,moist,clayey very stiff SILT <br /> No visible sand No HC odor <br /> 20— MW7-20 0 4-9-14 ML Brown,moist, clayey,very stiff SILT.No visible sand <br /> I – No HC odor <br /> I – Brown,moist, clayey,very stiff SILT.No visible sand <br /> MW7-25 0 7-9-13 ML <br /> No HC odor <br /> Notes. <br /> Boring MW-7 terminated at a total depth of 25 feet below surface <br /> 30— grade(bsg) MW-7 completed as a ground water monitoring <br /> well utilizing two-inch diameter PVC casing Saturated soil <br /> – encountered at approximately 17 feet bsg <br /> IAS-BUILT CONSTRUCTION DETAILS, MW-7 <br /> IScreen Interval 4 5 to 24 5 feet bsg <br /> Blank Interval 0 5 to 4 5 feet bsg <br /> 40— Sand Interval 3 5 to 25 feet bsg <br /> Bentonite Plug 2 to 3 5 feet bsg <br /> Grout Interval 1 to 3 5feet bsg <br /> Advanced <br /> GeoEnvironmental, Inc. <br /> L YAMIPROSB RING-HFLA I-110232MW7 SAM 08!26196 a 12 56 PM <br />