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1 <br /> V <br /> L LOG WELL N0. EW-4 <br /> CT NAME 151 SOUTH MAIN STREET GROUNDWATER DEPTH (initial) -19 FT. <br /> CT LOCATION MANTECA, CALIFORNIA GROUNDWATER DEPTH (static) <br />' TOTAL DEPTH 30 FT. <br /> FIELD DATE 10/9/97 DRILL METHOD HOLLOW STEM AUGER COMPLETED DEPTH 30 FT. <br /> DRILLER. Exploration Geo BORE DIAMETER 12 INCHES SURFACE ELEVATION <br />' LOGGER* RICHARD GARLOW CASING DIAMETER 4.5 INCHES WELL ELEVATION <br /> LITI-IOLOGY J J z`w Ch: WELL <br />' s W X X Qo N CONSTRUCTION <br /> a n n� U g DIAGRAM <br /> to J <br /> in <br /> t <br /> 1 • O <br /> 3" Asphalt, 8" Baserock SP T <br /> e <br /> • w <br /> SAND (SPY Sand, reddish brown, trace of <br /> clay, fine grained sand, moist 3 > 6 <br /> SP W <br /> U <br /> m <br /> N <br /> SAND (SP) Sand, light brown, trace of clay, 9 <br /> fine grained sand,moist W <br /> w <br /> • _ rw- <br /> 12 _ <br /> 1 w <br /> — m <br /> ' ~r CL o = <br /> N _ <br /> d <br /> CLAY (CL) Silty clay, light grayish brown, 100 18 g <br /> ' 10% - 20% fine grained sand,moist CL $ — <br /> w Q <br /> U — <br /> 2 <br /> N <br /> CLAY (CL) Sandy clay, gray brown, 20% - 21 N _ <br /> 30% fine grained sand, moderate plasticity, _ <br /> moist to very moist <br /> CL 24 = <br /> y <br /> CLAY {CL} Silty clay, gray brown, moderate — 27 — <br /> plasticity, wet, large root (wood fragments) 6 <br /> at -•28 feet m <br /> TOTAL DEPTH 30 FEET <br /> ' ON-SITE PROJECT NUMBER 701+-1.2 <br /> [m TECHNOLOGIES PAGE 1 OF 1 <br />