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MPDS-UN5421-03 <br /> Page 2 of 7 <br /> . TABLE 1 (Continued} <br /> SUMMARY OF MONITORING DATA <br /> Well Well <br /> Cover Casing <br /> Elevation Elevation <br /> Well # (feet) *— (feet) ** <br /> MW1 12 . 89 12 . 61 <br /> MW2 12 . 38 12 . 01 <br /> MW3 13 . 06 12 . 90 <br /> MW4 13 . 26 12 . 90 <br /> ♦ The depth to water level and total well depth measurements were taken <br /> from the top of the well casings . Prior to December 20 , 1993 , the depth <br /> to water level and total well depth measurements were taken from the top <br /> of the well covers <br /> The elevations of the top of the well covers have been surveyed relative <br /> to Mean Sea Level (MSL) , per the City of Stockton Benchmark No. 11 <br /> (elevation = 11 . 644 MSL) . <br /> ** Relative to MSL <br /> -- Sheen determination was not performed <br /> Total well depth was not measured. <br /> Note . Monitoring data prior to December 20, 1993 , were provided by Kaprealian <br /> Engineering, Inc <br />