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t <br /> 1 FIELD REPORT <br /> GROUNDWATER MONITORING <br /> SAN JOAQUIN COUNTY HUMAN SERVICES AGENCY BUILDING <br /> STOCKTON, CALIFORNIA <br />' Introduction <br />' On October 7, 1993, ROY F. WESTON, INC. (WESTON®) conducted a sampling program of <br /> five monitor wells located in the vicinity of the San Joaquin County Human Services building <br /> In downtown Stockton This sampling was conducted in order to evaluate the possible presence <br />' of gasoline-related compounds in the groundwater <br /> Water Level Measurement and Monitor Well Pur e <br /> On arrival at the site, measurements of standing water levels and total well depth were taken in <br /> wells MW-2 through MW-8 utilizing an electronic well sounding device. Wells MW-2 and <br />' MW-3 were dry Groundwater elevations relative to mean sea level (MSL) were calculated and <br /> the results are presented in Table A-1 below. <br />' TABLE A-1 <br /> Water Level Elevations <br /> October 7, 1993 <br /> Well Location Well Elevation' feet Depth to Water feet Water Elevationz feet <br />' MW-1 Abandoned NAI NA <br /> MW-2 Approximately 13 50 Dry NA <br />' MW-3 Approximately 13 50 Dry NA <br /> MW-4 13 46 50 41 -36 95 <br />' MW-5 12 83 48 62 -35 79 <br /> MW-6 13 17 49 58 -36 41 <br />' MW-7 13 14 51 42 -38 28 <br /> MW-8 13 76 51 93 -38 17 <br />' 1 Based upon measurements made from top of PVC casing (TOC) <br /> 2 Elevations in feet relative to mean sea level (MSL) <br /> 3 NA = Not applicable <br /> I <br /> I <br />' STKIRPTYWC 4TH WP A - 1 10114193 <br />