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3 <br /> :.a <br /> 5'i iffl <br /> �4 <br /> with tl'�c C�'12 � i A letter was sent b}� DE:1 describ � nti the <br /> 1990. '` <br /> I; I :nned c,peratic,n . ',15 . I'cuss tcicphored JTO rrfe r <br /> the 'et frig :ind <br /> said <br /> t' at air purging; nas preferred unless tFe .;iter 10h used <br /> vas first tested for c.onIarn ants . At the date of r, ritinr; tlzis <br /> dacurnent , the ;work had not yt been done. <br /> e <br /> D I SCt TS S I ON OF PAST ACTIONS <br /> number of ac-_ ions , some %%, out IHS pr '10r <br /> \! though JTO took a wil,)essed by registered <br /> approval and some ;without then, being <br /> personnel , the ;writer (D[�:�) believes that they made an) h5ritet <br /> lied herein and <br /> effort to clean up the pollut`d sail at t1_e IiC Winner <br /> This opinion rs {b JTOrltnndal��'hdoCvmCnist!equired to achiev- per- <br /> the ;villingness o_ remrogramand ultirnatviY <br /> ion to undertake a soil ediation <br /> missurface.P also, in almost eery <br /> to refill the pit and restore the s <br /> they made an attempt to have their operations witnessed by <br /> case, ertified laboratory. <br /> the DHS and/or perforn-ed by a c <br /> SITE ASSESSIIE.NT <br /> Based on the sampling and testing of soils, pit water , industrial <br /> ;yells •eater and monitoring wells water , inspection of the spoil <br /> piles and the partially refilled excavation, it is believed by <br /> the ;writers that all Contaminated provablesoil has judgerrme.ibeen at ihisvt!me, o;ving <br /> this ! s not an absolute, F $ <br /> to the partial refilling of the excavation. <br /> in their report of 5/25/ 1955, page 16, of Appendix A-7- <br /> GTI , p has not been impacted accord- <br /> stated that "Groundwater conversely <br /> ing to the most recent laboratory results . The viscous nature of <br /> r the hydrocarbons present within the underground storage tank have derlying <br /> apparently impeded migration through the sand)' soils un <br /> the site. " <br /> As an amplifiction of this statement , it appears that the viscoas <br /> ity and specific gravis- <br /> - <br /> of the imfirst- Ieaked fuel ;;'ere high, <br /> compared tg that leaked at a later teis <br /> use Y^ on ^rob°bltijtstopSed <br /> viscosity and high surface ?erasion, 8 <br /> when the viscous oil reached the water table, =rad perhaps formed <br /> a barrier to further penetration, of lager- Ieaked fuels . �t that <br /> point , <br /> leafed fuel migrated laterall�v. forming the tear-dropped <br /> shape described in the earlier quote from JiO. <br /> All of the testing done subsequent to the GTI evaluation h.as only <br /> has <br /> ot <br /> t that <br /> ater <br /> affirmed atheir statement <br /> t to enc thetl!aieraicextent ofothe`�contaminatnon <br /> been imp amici pied. <br /> in the vadnse zone %vas probably greater than they P <br /> _.._ the. <br /> r. de.terrr:inirtg. <br /> GTI made :eur_ ,eCor'�;,end.tions.. in their cover letter for them re- <br /> -n <br /> of 5/27/1988 . The first three reser 'r _. .. has <br /> extent of contamination and removing contaminated soil . This <br /> 13 <br />