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II <br /> 10)Backfill the boring with cement grout from total depth to the surface. <br /> r <br /> If contamination is evident in B-1,proceed to 11; if no contamination is evident, skip to 13: <br /> 11) Pressure wash the augering equipment. <br /> I <br /> 12) Drill three additional borings around the perimeter of the UST cavity and repeat steps 3-10. <br /> 13)Transmit soil and water samples to Excelchem Analytical Laboratory for analysis of Total <br /> Petroleum Hydrocarbons as gasoline (EPA 8015 and 602)and benzene,toluene, <br /> ethylbenzene, xylene,and MTBE(EPA 8020). <br /> 14) Submit an assessment report describing the investigation and presenting the results. <br /> it <br /> i <br /> ! <br /> i <br /> A <br /> 'I <br /> i <br /> r <br /> !i <br />�I p <br /> 1 n <br /> i <br /> i! <br /> i <br /> i <br /> II <br />