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j• � <br />� E <br /> � I <br /> •`i <br /> ` f <br /> fy ! <br /> 'r <br /> f <br /> alioC31, oa t1—"ZrkF O <br /> 3 { <br /> O.R.R. – 111= pl4tia <br /> 4 Iao. I <br /> p"g� —4_ s <br /> t (Figure 2 <br /> The tank had contained leaded and <br /> and had unleaded gasoline <br /> not been used since October, <br /> � 2990. <br /> James Wack of Condor <br /> .: Earth Technolo f <br /> on site to glee, lnc• (Condor ' <br /> collect soil samples ), was <br /> p following the removal of the <br /> tank. Eric Trevena Of the San Jou <br /> Health Department <br /> County Environmental <br /> partment was on site to observe <br /> sPlin the tank removal and l <br /> g Procedures. The tank was in 3 <br /> Poor condition and <br /> `-'xtremel <br /> Y r_- <br /> 0r;oded on the east end. <br /> centimeterR hole, <br /> in aPProximately 1 . <br /> diameter <br /> , was located at the bottom <br /> tank. east and of the <br /> _ The fill material surrounding the tank <br /> - consisted of light medium and gravel, <br /> •�. <br /> The native soil consisted of <br /> brown, clayey silt <br /> and was overZai: by a 2-foot <br /> phalti <br /> asc fill/debris. -layer of E E' <br /> h strong petroleum odor was <br /> the brown, clayey silt beneath the tank. noticed in <br /> encountered in the No groundwater s,ir:s <br /> excavation. <br /> Two soil samples were collected from 'a <br /> from each end. beneath the tank, one rti <br /> �'h <br /> toluene two sum <br /> plea were analyzed for benzene, <br /> e, ethyl benzene, and xylene (BTEX) by EPA Method ` {. <br /> total petroleum h d 8020, for :G <br /> Ydrocarbons-.gasoline (TPH_C , <br /> 5030/Mod. �'. . ) by Method <br /> 801. . for ethylene dibrom.i.de (EDL b <br /> for tetraethyl ) Y Mp-thou 504, and <br /> Y lead (TEL) by Method OHS-LUFT• s <br /> L � <br /> --—M- 1 <br /> - t <br /> cowoox 3 <br /> - <br /> t <br /> ..lV <br />