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dissolved in groundwater The same area used to calculate estimated TPHg mass In <br /> groundwater in the vicinity of well MW-1 before remediation (Area 1) was used to calculate the <br /> estimated TPHg mass In groundwater after remediation Using an average concentration of <br /> 35,900 ug/L, an estimated Impacted area of 2,800 square feet, and parameters included In <br /> Appendix K, approximately 35 14 pounds of TPHg remain In groundwater In the vicinity of well <br /> MW-1 <br /> Pre-remediation estimated mass calculations for residual TPHg In soil and groundwater, <br /> Including assumptions and supporting data, are summarized In attachments Included In <br /> Appendix K A site conceptual model showing the areas of residual petroleum hydrocarbons Is <br /> Included as Figure 9 <br /> I. <br /> I <br /> I <br /> I <br /> Time Oil Asmt&SCM doc 13 March 17 2005 <br /> 770T 41658 00 0015 <br />