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rr <br /> — lope# 1 - %=Wr of lMMmi fmt DMAt• gi/101 <br /> AMLLI s V <br /> ultail 11 <br /> 2 �s� r�rrt Ethyl <br /> � rr �� rD .D ro <br /> r 0 no <br /> 10 1@ 100 <br /> U: " 970 b 1 p 035 <br /> 4A 14r <br /> S 1S+ ■ a ke 07s <br /> 4 /s' " NO <br /> 6.4 UD No u0 MO <br /> 7 190 <br /> WD 01E .660 <br /> 74 $6 ■ 1000 ..0All <br /> .2s0 <br /> 0 22. r sm O .160.141 .0" <br /> K' " 2400 YO .Ots .170 •221 <br /> 9 .032 <br /> 1s' " 44 MO ND AM .071 <br /> 10 Iso ■ 120 MO 00 MD 11D <br /> 11 229 " 11000 .010 .012 'r.0 1 a <br /> 11A 360 ■ K00 19 .024 1.367 1.302 <br /> Fishbioassay test results for four samples are presented in <br /> Appendix H also. The precise locations of the four soil samples <br /> could riot be ascertained from available data. Reportedly, these <br /> four samples were collected from approximately equidistant <br /> points in the entire stockpiled soil area. <br /> VI. FIN IN" AND CONCLUSIONS <br /> w <br /> Based on our site observations and our review of available <br /> basic information and laboratory analyses, it appears that soil <br /> samples tested contain TEPH - tested an diesel -• in quantities <br /> well above detection and above the levels normals allowed to <br /> r r- remain in place by regulatoryy <br /> f investigations of soil contamination and S some additional <br /> onof <br /> • remediation of soils, therefore, are expected to be needed to <br /> meet regulatory standards. <br /> -- At the same time that soil remediation must be considered, <br /> groundwater characterizations must be performed. In accordance <br /> - with the County0s correspondence, the "Tri.-Reg;nnal <br /> Recommendations", dated June 2, 1988 (revised May 18, 1989) , is <br /> to be used to determine tue type of site Lharacterization that <br /> is to be performed. In that document, this site falls into <br /> Section II -SpilkGroMndwater Investigation Case1 -- <br /> €d <br /> _ V11. RECOISMIDW W0RXFLjjN <br /> The proposed workplan for additional subsurface <br /> investigations consists of a single monitoring well in the <br /> southwest side of the tank excavation (as indicated by county <br /> maps) and a single test boring to approximately 60 feet on the <br /> east side of the fusi island/diesel tank. A test of the on--site <br /> well water (from the existing well) and more detailed research <br /> a <br /> 5 <br /> a■ <br />