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r <br /> ! 5.0 Conclusions and Recommendations <br /> On behalf of Caltrans, IT conducted site investigation activities on February 14 and 15, 2002 to <br /> assess petroleum hydrocarbon impacts to soil and groundwater at the project site. Based on the <br /> laboratoryresults of the investigation, current regulatory guidelines, and the professional <br /> g <br /> judgement of IT, the following conclusions and recommendations are offered. <br /> Petroleum hydrocarbons, VOC's, and fuel oxygenate compounds were not detected <br /> III in the soil sample at concentrations in excess of the analytical method reporting <br /> limits. <br /> Petroleum hydrocarbons, VOC's, and fuel oxygenate compounds were not detected <br /> in the groundwater samples at concentrations in excess of the analytical method <br /> reporting limits. <br /> Based on results from this investigation, no further investigation is recommended. <br /> IT also recommends that site closure be proposed by Caltrans to the San Joaquin <br /> County Environmental Health Department. <br /> i <br /> I <br /> fnbrmomiedW0bV-%1U pnCOMMomswDR2002WRJIPI&8.=527a2aadac 5-1 <br />