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� i r <br /> ' daily measurements of product and water elevations <br /> tin the eight Time Oil observation wells (T1, T2 , T3 , <br /> T4, T5, T8, T11 and T12) and the five SPPL <br /> ' observation/recovery wells (SP1, SP2, SP3 , SP4 and <br /> SP5) . The six previously installed Time Oil <br /> recovery wells (R1, R2, R3, R4 and R6) are also <br /> ' being periodically measured. This data is presented <br /> in Appendix E, sorted first by date then by well <br /> number. Daily measurement and sample collection <br /> continued to April 8, after which the measurement <br /> ' frequency was reduced to twice per week. <br /> ' Groundwater elevations were measured on March 1, <br /> 1988 in eleven piezometers previously installed <br /> around the perimeter of the terminals (Table 1) . <br /> ' The overall groundwater flow direction determined <br /> from these measurements is to the southeast and <br /> ' east-northeast (Figure 3) . This is consistent with <br /> earlier measurements which have found flow <br /> ' directions toward the east and east-northeast. The <br /> Port of Stockton channel and the San Joaquin River <br /> ' surround the area on three sides to the north, west <br /> and southwest. The river and port are tidal <br /> (average water elevation is mean sea level) . <br /> ' Groundwater elevations measured in the piezometers <br /> are below mean sea level. There are no <br /> ' Pumping wells between the terminals and the river. <br /> It is therefore expected that the water table will <br /> consistently have an easterly gradient. <br /> ' The trend of product and water elevations from March <br /> 8 to April 4, for all Time Oil and SPPL wells with <br /> floating product, is illustrated by a series of <br /> ' graphs in Appendix F. The same data is plotted <br />' - 8 <br />