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Field Exploratory Boring Log MW-4 (Well MW-4) <br /> OVM Blows/ Sample Well Depth Soil Group <br /> PPM Materials Description <br /> 6Number Construction (f) (USCS) <br /> 03 MW-4-31 Cement — Clay (CL) <br /> Olive gray (5Y 412), damp, weak subangular blocky, moderate <br /> m plasticity, silty, 70% fines, 30% very fine sand <br /> 06 MW-4-36 35— <br /> @ 35' As Above <br /> Clayey Sand (SC) <br /> OIive gray (5Y 5I2),moist, weak subangular blocky, low <br /> MW-4-4t 4(J- plasticity, sandy,60% very fine sand,40% fines <br /> 18 � <br /> H <br /> N <br /> 1 8 MW-4-46 z a 45 — @ 45' As Above-moist,moderate subangular blocky,moderate <br /> plasticity,caliche <br /> 08 MW-4-51 50 <br /> Silty Sand(SM) <br /> Olive gray (5Y 512), wet, weak subangular blocky,low <br /> plasticity,60% very fine sand,40%fines <br /> 629 MW-4-50 — — 55 — @ 55' As Above <br /> Sand (SP) <br /> Olive gray (5Y 412), wet, weak subangular blocky, 85% very <br /> fine sand, 15% fines <br /> 578 MW-4-61 60— Total Depth of Boring=61 feet Page 2 of 2 <br /> WELL Borehole Diameter 8 inches CAMBR <br /> Shell Service Station Logged by J Gaarder <br /> IA <br /> MW-4 6131 Pacific Avenue Driller Gregg 97374 <br /> Stockton, California Date Started 16-Sep-97 <br /> Date Completed 16-Sep-97 <br />