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r <br /> DISCUSSION: <br /> Results of this monitoring event indicated that levels of dissolved gasoline hydrocarbons are consistent <br /> with levels detected during previous sampling events. The groundwater gradient was toward the east to <br /> northeast. The groundwater gradient during previous sampling events has been predominantly toward the <br /> east to southeast. Groundwater elevation decreased approximately 5.90 feet from the previous sampling <br /> event (May 1997). <br /> ATTACHMENTS: <br /> • Table 1 Groundwater Monitoring Data <br /> • Figure 1 Site Location Map <br /> • Figure 2 Generalized Site Plan <br /> 0 Figure 3 Groundwater Contour Map (August 20, 1997) <br /> • Appendix A Sampling and Analysis Procedures <br /> • Appendix B Laboratory Analysis Reports and Chain-of-Custody Records <br /> cc: Elizabeth Thayer, California Regional Water Quality Control Board <br /> SACIN.NPJM805 08051470.3CS-97',pa:i <br />