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Project No 034-98081 <br /> Page No 3 <br /> J� <br /> Krazan's August 28, 1998 report entitled "Additional Subsurface and Groundwater Assessment, Phase I- <br /> August 1998, H&H Enganeermg Property, 212 Industrial Drive, Stockton, California" <br /> Based on the results of the August 1998 investigation, and discussions with SJCEHD personnel, <br /> permanent monitoring locations were selected to allow optimal delineation and monitoring of the <br /> groundwater PHC plume <br /> 30 PURPOSE OF THE SEPTEMBER 1998 FIELD ACTIVITIES <br /> The purpose of the Phase If field activities was to establishr ermanent <br /> p groundwater monitoring locations <br /> and verify conceptual models of PHC distribution based on prior grab groundwater samples An <br /> additional purpose of the investigation was to collect data to be used to Justify site closure <br /> 40 SCOPE OF THE SEPTEMBER 1998 FIELD ACTIVITIES <br /> The scope of the September 1998 field activities included the collection and analysts of three soil <br /> samples from the capillary fringe, installation of three groundwater monitoring wells and the collection <br /> of groundwater samples for chemical analysts of petroleum hydrocarbon and fuel oxygenate compounds <br /> Methodologies used during the course of the assessment are presented in Appendix B <br /> 50 FINDINGS OF THE SEPTEMBER 1998 ASSESSMENT <br /> The findings of the September 1998 assessment are summarized below The findings include a <br /> description of subsurface soils, groundwater elevation and gradient, and chemical analyses of soil and <br /> groundwater samples <br /> KRAZAN & ASSOCIATES, INC <br /> Offices Serving the Western United States <br /> 3496081 sg2 <br />