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r <br /> 3.0 CONCLUSIONS, RECOMMENDATIONS AND PROJECT STATUS <br /> Between February 19, and May 9, 2003, the groundwater surface dropped an average of 0 17 <br /> feet, the groundwater gradient decreased slightly from 0 022 to 0 018 foot/foot, and the <br /> groundwater flow direction remained constant toward the east-southeast <br /> Between February 19, and May 9, 2003, the concentrations of petroleum hydrocarbons in <br /> groundwater generally decreased The plume of impacted groundwater appears to be defined at <br /> MWA to the north-northeast of the former USTs Since the groundwater flow direction continued <br /> toward the east-southeast, the downgradient extent of impacted groundwater remains undefined <br /> Based on these conclusions, Ramage Environmental recommends that the four monitoring wells <br /> continue to be monitored and sampled on a quarterly basis to evaluate the stability of petroleum <br /> concentrations and groundwater flow and gradient characteristics The next groundwater <br /> monitoring event is scheduled for August 2003 if the flow direction remains toward the east- <br /> southeast, it may be necessary to install additional monitoring well(s) to define the downgradient <br /> extent of impacted groundwater <br /> r <br /> r <br /> �y 7 <br />