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FRE <br /> WON- <br /> july <br /> 16, 1987 AGB Job No. 87048-1 <br /> Beacon station 4675 - Lockeford, CA <br /> Record of Analysis for the water samples are included in the <br /> Appendix of this report. <br /> EVALUATION OF GROUND WATER GRADIENT <br /> A Wild NA-24 automatic levelling instrument was used to measure <br /> the differences in elevation between the instrument and the top <br /> of the casing for each of the monitoring wells. Measurements <br /> were recorded to the nearest 0.001 foot. The elevation <br /> differences were combined with measurements of the depth to <br /> static water made with a Solinst electric water level indicator, <br /> to calculate the water level elevation differences between the <br /> wells (Table 11 . <br /> TABLE 1 <br /> Ground Water Elevation Differences <br /> in Monitoring Wells <br /> Beacon Station #675 <br /> Lockeford, California <br /> June 16, 1987 <br /> MONITORING TOP OF CASING STATIC WATER LEVEL <br /> WELL BELOW DATUM WATER BELOW <br /> NUMBER (FEET) LEVEL* DATUM <br /> ------------------------------- ---------- <br /> MW-1-- . <br /> 0.380 62 07 62.45 <br /> e MW-2 0.740 61.92 62.66 <br /> 14W-3 0.000 62.50 62.50 <br /> MW-4 1.165 61.31 62.48 <br /> measurementsinfeet <br /> * Static water level measured in feet below top of casing <br /> Datum is an arbitrary elevation corresponding to top of MW-3 <br /> -- - -casing -- — --- -- <br /> 8 <br /> A0,0110d Ge0SXSJfeMS <br />