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�} g March 199103 AC1E NC-95 _ 3 of 6 _` - - - _ i or extraction would be a viable - Y SEACOR concluded that ap the Clot test indicate lfort circuiting of V W-1, e data collected at tl during site However,because Ijespite the s acted soil at the site Th y rates could be achieved at t11 resentatives y =remediation alternative foz inlp during the vapor extraction test, reP should be - SENCOR IAS) pilot study - } - that sufl'ici�nt flow aild I1yd obtained by°very air s arging { - of`the inconclusive obtained_ 24-hour SVEliri-situ p T of, he plISlEHD indicated that a - rc - performed _ _ SEACOA in Julie or July =, - —` 1zi test)y=as performed at the site by three surrounding low h3 ti was measure in hydraulic -A ground water test(pu_ P the test indicating race at the,site _ water was extracted from MSV" Merl dad of influ J 94-Grouxld . observed 1 _1 had little - � 19 - g �"�as Pram M� y be ineffective _ ` — wells Very slow 'Charge e w11 ing woo;d likel COR concluded that P p L remediation re aced by _conductivity` SEA and treat system of groundwat^r x a ump est and pumP test were In in the PA Prep Therefore, P or extraction pilot t _ � -- Desctiptian of the vapor - t -� - - ical Audit Services,Irc (GAS) SEACOR. _ 1995 by Geolog feted as an air ane hc)ring was cQnlp $were iilstalled at the site in Janua"y well(VE_2}, v,7ell(ASO- 1),two Five boring - or eXmir io i z n ,sere atkon_ observation well rias completed as'a uaP feted as an akr SPargin ar in _ x Oiie boring _ 0 boring was corn - - well or exti action well and dit air sp g F ` sparging - s were ducl_c+anlpleted,each with a vapor , boring VE-3 ASO-2) - - f The extraction unit L y1.ASO-3 and - erforined extracted - - - flat test was p, H In the e - -- 1 1995 24-hour SVE and IAS p Concentrations of m Influence was - - On"14 and 15 January ar in was performed at 80 against the w /l (9, to 15,6$0 pp fatted ag ppmv ected to V E-1 s air"sp g g was p was cOnn _ a/1 t0 5E?,000 ��a 1 The induced vacuum be M1�,apar ranged from 35,040 = ar ing at AS-1 -3 _more thai190 feet east of VE- r s g adios of influence at the site was calculate to _measured at M - as estimated far a P milts Data gathered indicate _. thus of influence of 20 to 30 feet tiring p lira acted e traction point Thee ec iv e L-- distance to t11e37 feet Ara - _ approximately en concentrations at surrounding m d findings were ved oxygen de a viable alternative for reumreedi�on of p "based©il dissol VE should provide Pilot test proced - that IAS, combined with S VE/IAS P r undwater at the site' A�iell installation and S gro prepared by GAS described in a Final Re►ne dial ate P p J -- " V 11,4STALLATIO-N - JS-- 1�MEDIATION SYSTEM y a s LBl and _ to b Iaush GeoseieiSces Bo'�ng round _ � sere installed at the site Y_ LB3 was carripleted as g March 1996,three Borings born - --On 47 Ivlar - ed as p Summarized in a JuIY 1996 jnferim InvestigatEorz t va or_extract�on wells VES and VE6, g �1.,B2 were comple _ Procedures were awe11MN 5 - —water rnonitorin� _ - _ at er t pfepared by Lush Geoseaenc es^