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NeJV-3Z-90 FRI 15 :41 F'1:' ;T OIL <br /> . 3Et. Nov 34 ,90 17 :50 No .012 P.tl <br /> ENGINMERING INC.' <br /> ROE #27011 WC, 63- <br /> ,lanuary <br /> Mr . Jeff post <br /> Post & Co. <br /> 1800 South River 11oad . <br /> E West Sworamento, CA 85691 <br /> RB ; SOIL SAMPLING RESULTS <br /> U . S , SPRINT RELAY STATION , OBaS W . LtGHT RILE ROAD <br /> STOCKTOU , CA <br /> Dear Mfr , peat , <br /> This letter is ih , <br /> rempAntse to your request for QNli <br /> Engineering to provide site investigation servicas mt the : <br /> subJect site . <br /> GHH Engineering, Inc . was contacted on Novembor 7, 1988 by <br /> Post & Co , to condoot soil sampling follot4ing the removal of <br /> an 8, 000-gallon diesel tank at the subject site , Hr . Ed <br /> Childers was present for the tank removal which toolt place~ <br /> ltovember S, 1888. However , due to the presence of a concrete <br /> pad at the bottoht of the excavation and lack of equipment to <br /> out through the ooncrete , the sampling crag poutponod . H$ . <br /> Heidi Hubbard was present for the sampling uhxch took placo <br /> f. an November 15, 1988 . Mfr: Harlan KnoUle of the Seen Joaquin' <br /> County Environmental Health Department was aleoP resent to <br /> di,reot sample eeaquisition , <br /> .k <br /> Mr . Krioula requested five confirmation samples, three From <br /> the excavation and two from the product line. At the time of" <br /> the samplirigr the concrete pad had been cored in three plaoss <br /> tv allow access to the evil , sampling was accomplished using - <br /> a drive samplor at the locations shown on the a <br /> ttaohad <br /> figure . The samples here transported under chain of custody <br /> to the laboratories of American Environmental Management <br /> Corporation and analyzed for Total Petroleum Kydrooarbons <br /> (TPH ) and �enzeno, Toluene, Ethyl benzarie, and Xylanom <br /> (BTZX) . <br /> The analytical, results indicate levels of TPH and BTRX bolow ` <br /> reporting "mi" with the exception of the sample taken gt . <br /> the east Bend of the excavation. This sample showed levels cif <br /> ' STEX at or slightlY above reporting limits • copies of the � <br /> lab rewulta are kttached , At this time , further Investigation } <br /> is not Antioipated , We are notifying the San Joaquin County � <br /> Environmentte.l Health Department of our findings by oopY of <br /> this letter . <br />