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$—�: CLEARWATER G R O U P, I N C $uveranmental Services PROJECT STATUS&RECOMMENDATIONS The EHD responded to Clearwater's Well Installation and Groundwater Monitoring Report - First Quarter 1999 in a letter dated June 25, 1999 The EHD concurred with the recommendations for additional assessment of groundwater contamination downgradient of the former UST system Clearwater submitted a Workplan for Additional Subsurface Investigation dated September 30, 1999 The workplan proposed additional investigation using up to eight Geoprobe borings for purposes of soil and groundwater sampling, and re-installation of damaged well MW-5 ATTACHMENTS • Site Vicinity Map (Figure 1) • Site Plan (Figure 2) • Groundwater Contour Map-9/21/99(Figure 3) • Hydrocarbon Distribution Map-9/21/99(Figure 4) • Groundwater Elevations and Analytical Results (Table 1) • Clearwater Gauging Data/Purge Calculations and Well Purging Data • Certified Laboratory Reports and Chain-of-Custody Form • Clearwater Groundwater Monitoring and Sampling Protocols CERTIFICATION This report was prepared under the supervision of professional Registered Geologist in the state of California All statements, conclusions and recommendations are based solely upon published results from previous consultants,and field observations by Clearwater Group,Inc Information and interpretation presented herein are for the sole use of the client The information and interpretation contained in this document should not be relied upon by a third party The service performed by Clearwater Group, Inc has been conducted in a manner consistent with the level of care and skill ordinarily exercised by members of our profession currently practicing under similar conditions No other warranty, expressed or implied, is made Prepared by Reviewed by O gyp, a jr c �o 6505 z oF ca��F°�` Scott Ferrunan Brian Gwuin, R G Environmental Scientist Senior Geologist • C-178 3Q99 GW Mon Rpt 3 October 1, 1999