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Protect West Clay Properties Project No AGE-NC-96-0235 BORING NO <br /> Site Address 639 West Clay Street Total Depth 45 Feet MW-9 <br /> Stockton, California Date 21 October 1999 <br /> Dnlltng Co Mitchell Drilling Environmental Logged by TPM Page 2 of 2 <br />' Rig/Auger Type CME75HT - 6 314" H S Reviewed by Henderson <br /> O ° ` Lithologic Description <br /> L <br /> r _ <br />-- MW9-45 0 19/27/39 CL 77 Dark green-gray, saturated,hard,silty CLAY,no HC odor <br /> VIA,M <br /> r - <br /> Boring terminated at 45 feet bsg <br /> Ground water encountered at 19 feet bsg <br /> 50— Boring completed as ground water monitoring well MW-9 <br /> Screen interval 45' -40' <br /> _ Filter pack 45' - 38' <br /> Bentonite plug 38' - 36' <br /> Portland cement 36'- 0 5' <br /> 60— <br />' 70- <br /> 80— <br />' Advanced <br /> GeoEnvlronmental, Inc. <br />' G 1AMIPROIBDRING-11WESTGL^tSWCLAYMW9 SAM <br />