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BORING LOG <br /> DATE STARTED 5-28-87 DATE COMPLETED 5-28-87 <br /> DRILLER Sierra Drilling LOGGED EY R. Livermore <br /> ap"KIc <br /> WELL CONSTAUCTION DETAIL SYMBOL DESCA1�710N <br /> K <br /> DWP 12A Waterti ht locking vaul <br /> p 0-7' dark brown fine-medium sand with <br /> waterproo ement gravel in the first 4 feet <br /> 2 locking ca V . <br /> rpea gravel SP <br /> q grout <br /> (0 21I solid PVC t 7-10.5' light brown silty sand with <br /> casing <br /> �- entonite fines and root holes <br /> 5M <br /> to 10.5-15' light gray/white (quartz) <br /> fine-medium sand that is moist <br /> Sw <br /> J • <br /> ` 15-20' light brown/gray micaceous <br /> 2" (.02`I) fine sand. Loose and wet. <br /> Monterey = ; slotted SP <br /> 18 sand #20 =_ • PVC casing to <br /> � ..� c SM 20-211 light grayish moist fine sand <br /> 20 <br /> = 1= 21-251 grades to a light gray/brown <br /> mottled silty micaceous clay <br /> LU <br /> CL <br /> Z4 f — <br /> 26 --bentonite <br /> end cap <br /> 28 Bottom of hole: 25 feet <br /> Groundwater: 16 feet at time of <br /> drilling <br /> On 6-8-87, water level : 16.1 feet <br /> SCS ENGINEERS GOLDEN GRAIN MACARONI COMPANY <br /> ' «EARN% ccNa.aAND fiCKM101 MANTECA BEAR CO. FACILITY <br /> CONUXTING ENGINEERS INC <br /> 6721 SIERRACOURt SUIT[ C MONITORING WELL. W - 6 <br /> PUMIse CA"568 <br /> 041e 7 <br /> Protect No 8504 .01 <br /> i <br />