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' individually for wells Tl, T3 , Tll and SP3 in <br /> ' Figures 4 through 7, respectively. The graphs in <br /> Appendix F show that water and product level <br /> fluctuations are relatively minor from day-to-day <br /> ' but there has been a general downward trend over the <br /> period of measurement. <br /> ' The graphs of individual wells show that product <br /> ' thickness in wells T1 and Tll has remained <br /> relatively constant, whereas it has increased in <br /> ' wells T3 and SP3 . These latter wells are at the <br /> downgradient edge of the "plume" . The increase in <br /> thickness probably indicates movement downgradient. <br /> ' Gasoline reappeared in well SP4 on April 5 after not <br /> being detected for the month following its last <br /> ' pumping on March 4 . Observations by Tesoro also <br /> indicate product movement in an easterly direction. <br /> Plots of cross-sections through several series of <br /> wells clearly show a gradient of product and water <br /> ' toward the east (Appendix G) . This is best <br /> illustrated by the section through wells P26, SP2 , <br /> ' T12, T4, TS10, M2 and TS2 (Figure 8) which is <br /> approximately parallel to the water table gradient. <br /> ' Well SP2 has had the highest product elevation of <br /> any of the wells with floating gasoline, both before <br /> ' and after the wells were pumped. <br /> 1 <br /> 1 <br /> 1 <br /> ' - 10 - <br />