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I.H.KLEINFELDER&ASSOCIATES <br /> - ®� g [NTAaatlC1I0N <br /> P <br /> Tho Guild WInery facility is Located at l Winemaecers'Nay in the City of <br /> Lodi -ee shown an plate 1 (AYpendlx A), A leaking underground gasoline <br /> storage tank nest to the marnta" shop (Plate Z) wes r,wv,d by =� <br /> p lxcavetiun. Subsequent ehemieaL analysis of the soil samples showed that <br /> L gaeeLi na related 1,droc ar bona(both alipha tie and Du[eeable —tic,) <br /> era <br /> ones,"[ In the soil:1111,11"[to and below the tank excavation a , eased <br /> PID field read Inge and inh or story analysis of selected soil samples,an <br /> �d area of an approxi..to rsdiva If 40 feet and a depth of le to 25 feet was <br /> ]5 do£lnad as the limits of detectable concentrations of hydrocarbons in the 71 <br /> unsaturated Bane{Plate 1). The radialnand vertical—eeatra lien profile <br /> II € of total hydrocarlot. (as gaaolinel,-bonrene, toluano,xylene and total iz <br /> 1r <br /> lead arre <br /> e psanted on Table 1, - <br /> Il Among a number of poss3Lle medial -alternatives, Induced soil vapor _ <br /> extraction was found to be thermos'efFill-t and--t effective remedial <br /> 16 action suitable for the site. The primary x ons w <br /> _l The oil unite at the eLt. were <luiLe porous-and permeable, <br /> allowing indorsed movement of air through the vadese sena. <br /> L I' <br /> ( b, ftoavatien of the soil containing hydrocarbons would have 3' - <br /> required thexoval and disfceal of an enermeu9 waonilt of sell <br /> (approxiyately 1160 cubic yards) and exc naive shoring£er the <br /> maintenance:hap and the ehampagnc to ta. <br /> 6 it e, S1ie dnpth excra d wawas auffirienc for the I—Ration of <br /> vapor ellen ecer yetem to lntereept the migration of <br /> hydraearben vapors prior to entering the auhaurface soil benee[h <br /> the maintenance chap or the champagne tank. <br /> 29-169 <br />