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1 <br /> 16 3.0 CONCLUSIONS, RECOMMENDATIONS AND PROJECT STATUS <br /> Between February 19, and May 9, 2003, the groundwater surface rose an average of 0 16 feet, <br /> the groundwater gradient decreased from 0 0112 to 0 0082 foot/foot, and the groundwater flow <br /> direction shifted approximately 5 degrees toward the northeast <br />' Between February 19, and May 9, 2003, the concentrations of gasoline compounds in <br /> groundwater continued a general decline, probably due to source removal efforts and natural <br /> attenuation processes Gasoline compounds in groundwater continued to be limited to MW-1, <br /> and in close proximity to the former UST The extent of impacted groundwater appears to be <br /> defined to the north by MW-2, and to the northeast (downgradient) by MW-3 <br /> r <br /> To date, the source of gasoline has been removed, the downgradient extent of the plume of <br /> impacted groundwater has been defined, and concentrations of gasoline compounds in <br /> groundwater appear to be degrading Based on these conditions, Ramage Environmental <br /> recommends that EHD and RWQCB consider the case for regulatory closure In the meantime, <br /> the three monitoring wells should continue to be monitored and sampled on a quarterly basis <br /> The next monitoring event is scheduled for August 2003 <br /> 7 <br />