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Project Flag City Chevron Project No AGE-NC-96-0232 BORING NO <br /> Site Address 6421 Capital Avenue Total Depth 50 ft MW-6 <br /> Lodi, California Date 29 June 1998 <br /> Drilling Co Central Valley Drilling Logged by T Cuellar Page 2 of 2 <br /> Drill Rig Type B-53 Mobile Drill Rig Reviewed by N Henderson <br /> Lithologic Description <br /> – MW6-45 00 6-7-9 SM • . ' ,�• Pale brown and red-brown,very moist, silty,medium dense fine <br /> SAND About 70%fine sand, about 30% nonplastic fines No <br /> HC odor <br /> ° Pale brown, very moist,medium dense fine to medium SAND. <br /> 50— W6-50 00 8-10-11 SP About 40%fine sand,about 40%medium sand <br /> INotes- <br /> Boring MW-6 terminated at a total depth of 50 feet below surface <br /> – grade(bsg) MW-6 dual completed as a ground water monitoring <br /> well utilizing two-inch diameter PVC casing Saturated soil <br /> encountered at approximately 17 feet bsg <br /> – ,4S-RU1LT CONSTRUCTION DEZ_A1LS. ME <br /> 60— Interval A <br /> – Screen Interval 7 to 27 feet bsg <br /> Blank Interval 0 5 to 7 feet bsg <br /> – Sand Interval 5 to 27 feet bsg <br /> Bentonite Plug 3 to 5 feet bsg <br /> Grout Interval 1 to 3feet bsg <br /> – Interval B <br /> 70— Screen Interval 43 to 48 feet bsg <br />' Blank Interval 0 5 to 43 feet bsg <br /> – <br /> Sand Interval 40 to 50 feet bsg <br /> Bentonite Plug 27 to 40 feet bsg <br /> 80— <br /> Advanced <br /> GeoEnvironmental, Inc. <br /> L WMIPROMMNG-1lTLAG I-1%0232MV4'6 SAM 08!26798 12 56 PM <br />