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. F - xae <br /> sY..,�,a�, Tc".,�" ' .a-- * _£3• '+2"' s� �' �`'"' as. _ "sin-;' �o " "a- -z'�-` "�'3 ice' ��e. . "`"mv'd E� <br /> Chevron/S. E1 Dorado 5 <br /> August 1990 <br /> SCOPE OF WORK <br /> .�. In order to remediate the subsurface soils and to provide a <br /> characterization of the groundwater conditions beneath the site, <br /> the following work steps were undertaken: <br /> E e <br /> o A permit was obtained from the San Joaquin County <br /> i-, Department of Health Services to install three <br /> groundwater-monitoring wells. <br /> 5 <br /> a Additional excavation of soils was conducted in the <br /> area of the former fuel-storage tank <br /> g pit and trenches <br /> during January and February, 1990. <br /> o Soil samples were collected from the fuel-storage tank <br /> pit and trenches. and submitted to a State-of-California <br /> 4 certified labrratory for analyses for the presence of <br /> :r <br /> benzene, ethyibenzene, toluene, xylenes (BTEX) , TPH-as- <br /> gasoline;' and organic lead. <br /> ! o Soil samples were collected from the waste-oil tank <br /> r � <br /> excavation and submitted for analyses for the presence <br /> ` of BTEX, TPH-as-gasoline, and total oil-and-grease <br /> r� (TOG) . <br /> s.a <br /> o Composite soil samples were collected from the <br /> stockpiled soils and submitted for laboratory analyses <br /> for the presence of benzene, toluene, ethylbenzene and <br /> xylenes--(BTEX)_-andTPH-as-gasoline. <br /> o A permit was obtained from the San Joaquin County Air <br /> Pollution Control District for uncontrolled soil <br /> " `�• aeration of Sbo cubic yards (yd3) of soil <br /> GHid'SIMATEH <br /> TECHNOLOGY,INC. <br /> ■r <br />