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i L \ <br /> 7.0 CONCLUSIONS AND RECOMMENDATIONS <br /> As a result of this Phase II Environmental Site Assessment, the following <br /> conclusions can be made: <br /> • Four soil borings were drilled and sampled to a depth of 20 feet bgs in the <br /> vicinity of the former UST. <br /> • One soil sample per boring, collected at or below the groundwater interface, <br /> L was submitted for analysis of TPH-G and BTEX., <br /> • Analytical results indicated that TPH-G and BTEX were not detected in the <br /> soil above the analytical detection limits. <br /> Three of the four soil borings were completed as groundwater monitoring <br /> wells. <br /> • Depth to groundwater measurements taken fro',m these wells indicated the <br /> l� groundwater table at seven to eight feet bgs. <br /> • The groundwater flow gradient, calculated from depth to water measurements <br /> and well survey data, was determined to be toward the north. <br /> • Two episodes of groundwater sampling were performed, and samples were <br /> submitted for analysis of TPH-G and BTEX. <br /> • Analytical results indicated that TPH-G and BTEX were not detected in the <br /> groundwater above the analytical detection limits. <br /> �.." Soil and groundwater do not appear to be affected- by. petroleum products <br /> associated with the former UST. <br /> Based on the results and conclusions presented in�this Phase 11 Environmental <br /> Site Assessment, PSI recommends no further subsurface investigations. In <br /> addition, PSI recommends that Suburban Propane submit this report to the <br /> SJCEHD and request site closure. <br /> } <br /> 1 <br /> 12 _ <br />