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Y � <br />1 °'o <br />1610 el <br />- - sPEaAY 4vFNUE <br />sET <br />REFERENCE TOSCO SITE IS BASED ON ON A "SITE <br />PLAN" PROVIDED BY IT CORPORATION, <br />AND IS INTENDED FOR ILLUSTRATION <br />ONLY ARCO WELLS SURVEYED BY <br />MORROW SURVEYING <br />SECOR <br />Intern a Ronal <br />Incorporated <br />PR <br />CH <br />04APR2002 <br />77BP 54932 00 <br />LEGEND <br />Q <br />DEEP GROUNDWATER MONITORING <br />WELL <br />-! <br />GROUNDWATER EXTRACTION WELL <br />SHALLOW GROUNDWATER MONITORING <br />WELL LOCATION <br />i <br />SOIL VAPOR EXTRACTION WELL <br />r <br />SOIL BORING <br />` <br />AREA OF OVER -EXCAVATION DURING 1999 <br />I <br />UPGRADE AGPVMES <br />O <br />POWER POLE <br />OVERHEAD POWER LINES <br />ow <br />crcaa,F,vraaoz APPROXIMATE GROUNDWATER FLOW <br />DIRECTION AND GRADIENT FTIFT <br />GROUNDWATER ELEVATION CONTOUR <br />(FEET ABOVE MEAN SEA LEVEL) <br />{ re rrt <br />GROUNDWATER ELEVATION <br />(FEET ABOVE MEAN SEA LEVEL) <br />{►'I" <br />NOT MEASURED <br />N <br />0 60 120 <br />APPROMMATE SCALE FEET <br />FIGURE 4 <br />ARCO SERVICE STATION #4932 <br />18 FAST HARDING WAY <br />STOCKTON CALIFORNIA <br />GROUNDWATER ELEVATION CONTOUR MAP <br />BEFORE BATCH EXTRACTION - MARCH 18, 2002 <br />