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f <br /> WE1SS ASSOCwTES <br /> 5 <br /> Julian Munoz <br /> March 30, 1988 <br /> i <br /> I <br /> CONCLI3SIOCIS is directly downg <br /> radicnt of <br /> well rfW-2 conccntxatinns of <br /> Figure 2. monitoring the highest <br /> Che tank eXCaVation+ where <br /> the <br /> As shown on <br /> northern end °f <br /> soil have been found. <br /> hydrocarbons in <br /> corner of the s1aU <br /> beneath the northwestern detected in <br /> le collected from hest n <br /> TP11 concntratiosame The e <br /> The hig <br /> contained less th`n 10 PPM TPIi. <br /> soil from below the slab was 56 PPM <br /> b <br /> eXC1vF3 ti UTl e . <br /> ABCO�II'1E13DATIONS bottom of the <br /> We recommand that the <br /> onc <br /> crete slab at the <br /> based ori the following below tl�e <br /> lace in soil from <br /> left in p detected which <br /> h drocarbon concentration coticetntratlon <br /> 140 Ppm maximum Undcrryound <br /> o The maximum Y below the Leaking <br /> 56 ppm well edition °r the <br /> slab was the draft table for <br /> this site- <br /> described in accep <br /> criteria field manual indicate is <br /> 1 Tanks (LISFT) to <br /> Fuel fuel, a medium- <br /> soil is diesel no aromatic <br /> in the virtually <br /> the compound that contains <br /> o Dint hydroca <br /> Ili rbon <br /> gh' <br /> boiling-P relativelly immobile in soil. <br /> and is the slab <br /> hydrocarbons soil adjacent t° <br /> l cs collected from 0.5 ppin in <br /> of 18 same resent above <br /> GC/F11) analysis drOcaxbons are P eYcavatioi� � <br /> o samples from the <br /> that no aromatic by of water P of Xylene <br /> indicates GC/PID analysis concentratLons <br /> the soil, and only trace <br /> benzene or toluene and <br /> shows n° water. <br /> are present . the eXCavation unlikelY <br /> area. It is therefore for <br /> l' industrial ever be used <br /> is located -.n awill <br /> o <br /> 111C-- site- water beneath the site <br /> that the shallow grow <br /> ground water SuPPly' <br />