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llfzj/u6 Ib IZ PAA 51Q 3a3 U844 1451- ➢AICI'MM151kftwol <br /> y:. <br /> September 23, 1998 <br /> Mr.Harland Knoll <br /> San ioswin county Public Hcalth Servicee <br /> EW&OMenw Health 73ivision <br /> 344 R. Weber Avenue, 3rd Floor <br /> StocUm, Californfa 95202 <br /> SUBJECT: WORKPlr,AN FUR ADDM ONAL$ITE AMMEENT <br /> FORM=BMGN9T0bMJFnMST0NE FACMUTY <br /> BFS PROPERTY NO. 127434 <br /> 400 N. 'EL DORADO STRMT � ���"t�s <br /> STOMrON, CAT FORNIA <br /> QST PROMCT NO. 64-98WO (z p,�n�v►��� �' � <br /> Dear Mr. SuoU-. Ci P oil's <br /> On the behalf of Inc. 0M), QST Bavim mental 1'ac. (QST) is Pleased to <br /> submit this wcwkplan. fair additional sits 00980=t at the subject site. 'The objective of th�� - <br /> additional site awssmezt is to deumnine the prwnc a or abume of petrvlcam hydrocarbon vJ <br /> in the soon and gtvundwatw. Badkgrvund hannaticm and aur proposed scoPe of <br /> wait are dewribed in the folltiw!Ag aections. <br /> IN <br /> The former faellity was located at the northeast corner of tbr.inursecdon of North H1 Dorado <br /> Stt+mct and Lindsay Surd in SWc kM Calffornia Wpm 1). 7be 4 Frwway is aPPrMdnIaunly 112- <br /> mile south of the former facility. 5tochton City'Sall and Mcleod Lake are across ffi Dorado <br /> Shoat to the west of the f0MXT facility <br /> The ground surface elevation at the f0fmer facility is aPP=dmanlY at Boa level(U.S_ Geological <br /> Survey, 1962). The faros hdUty is within the phydDgmPhfc proving Irnown as the Bann <br /> Svagain Valley,which is part of the greater Ccd nl Vafty Ravin. Soil beneath the former h=Hty <br /> consists of flood basin deposits of Recant (Hokx=o) age consisting pnmnZY of ClaY, silt and <br /> some sand (Page, 1996). <br />