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r, <br /> a <br /> s <br /> i <br /> :a <br /> r- <br /> . rss <br /> 7.0 ELceawmATON <br /> i <br /> Given the current data available on the ground water and soil <br /> contamination present a;: the Holt Brothers facility, several reconLandations <br /> clan be mr-de. <br /> c <br /> r <br /> 7.1 Sofl Contagnrt <br /> Soil contamination appears to be limited, in the lateral extent." <br /> Relatively high concentrations of cantarainan.ts were found in soil samp'es <br /> rw <br /> from.I1W-t and a?:so from samples taken during tank removal in the vicinity of <br /> r <br /> MW-1 end MW-2. No hydrocarbons ware datected in the soil sample frim MW-3. <br /> t F'urdicr delineation of soil rontarr�ination should be aocompl.ishsd prior to <br /> -� soil remediation. <br /> 7.2 nu d Water Contamination <br /> At this point, the full extent of grcund water cont:�.:iinr•,tI.oil s ;not <br /> known. Figuie 4, shows the current direction of, ground water,grad".int, To <br /> L•�Ye fully assess the gradient and Lataral extent of ground water <br /> sentaw5naticit, several metboda vay be cmpih; d. These `-ncJude piezometer , <br /> adeitiona:' ground waster observation veils, zad;or a sUil gar sur✓ey.': <br /> Cu retic grou:7d water data suggest the ,roune, watkr• gral;iant: is sdutherly, <br /> t�aeref0c( , :� -Intlnued work should he focusccd on areas soutl= of �LIW-1 and MW-2. <br /> ,.., Respectfully submitted, <br /> DAMES b MOORE <br /> Allen Kearn.;" <br /> ... Asso� ate <br /> Riceat•d A. Floren <br /> 'V _ _ c�eol.rgisC <br /> SACOx.019 10 <br /> 3anue,ry 31, 1989 <br />