SWIDLER amp BERLIN

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(ZOJ)944-4~

Hay 18 1110

i MAY 2 1 1tcU

(10l) 944-49H

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xr alaquowar4 bullbulltllaway 4ial Project Jlaaavar ua bYirotal Protactioa atbullbulloy aaaardou Wuta Diviaioa ltbullbullbull-u rn ladual llai1419 ~atoa IIamp OIIOJ

ltotlly Coaway va IDiroaeatal ProtaotioD ampvbullbullcr avtoa I rn lral llai1419 aoo IIOJ toa D DIIOJ

Q14 1priMfitl4 Llp4Cill r PPMbull lp I-ltbull1Q11

rauut to Parqrapll to of tba Adaiaiatrativa Order byCouut (ampCO) DoNat ItO Ibulllt-lOU pota -art taduatriu tao aa4 eatroa Iac bareby iabullota 41aputa raeolwtioa witb raat to anbulla latter of May 10 lttO 4iaapprcnoiav t ne ampeport witll M4ifioatioaa require4 lor purpoaaa of 4ita raaolutioa wa taka iaaua witb two aapeota of bullna 10 Uta traatttal

rhmiddotat bullbull aulait tllampt tJaa 4ooaeat awJtted by apoadMta wu rely a Draft loouM lauittility atay rt witb raapeot to wllioll an wu to prcrtide --ta to be re4 Jly apoadeata witllia 11 4aya Credloed by at~r_t of h8p0a4eata aad bulln froa tile ll-4ay perio4 pro~14e4 ia Appu4ibull amp to tile ampCOt bull Ia our view the 4ocnaeat vu aot a bullWIIlibullbullioa vllicb allould llabulle trinere4 a Diaapprcwal vitb 1104ifioatioaa a-uire4 or uy of tile other optiou bullPMifiH in bullaracJrapb u ot tbe ampCO Ill tile alternative apoadeata awtt that bullbulla haa aot apeoitiM a aaiiHule vlliob aball be reuonable under the circuaatuoea for reeWittin9 deliverablebull requiria9 aoditicationa aa provided ia Paraqrapb JJ o of the ampCO

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Mr Edward Hathaway Tiaothy conway Eaq Hay 18 uta Paga 2

Adaittadly the ACO and Appandiz A attached thereto contain a daqraa of aabiquity on tbia point Appendix A to the ACO atataa on paqa 20 (aaction v Paraqrapba 7 and G) that the aaapondanta aball prepare and aWit to IPA a Draft 118 Report (118) ud that [v]ithin 21 daya (now 21 daya by aqraant] of raoaipt of IPA ooaaanta aaapondanta aball raviaa the Draft na aocordinq to aaid bullbulla coaaanta ud raawi t tba raviaad doouaant aa tba Draft Pinal rran It vaa aaapondanta undaratudiDCJ that they ware Ulivatad to raapond to IPA ooaaanta within tba praaoribed pario4 but that tba aubeiaaion would not triqCJampr u BPA UndiDCJ uadar Pararapb 33 of tba ACO or uy of tba couequanoaa wbiob -r flow tbarafroa

Paraqrapb ll of tba ACO doaa bowavar rafar to 8Pamp r t of tlaa 4elivarablaa required by tlaia Conant ordar Uld Ua Draft na aeport aUialtted bJ Reapoa4eata ia i4utified u a 4alivarUla oa patamp 20 of ampppudiz a IIOaatbalaaa Paratrapb 11 D of t1ae aoo prOY14ea tlaat ia Uta t of tiaapproal witll ao41Uoatiou required bullbulla will apeoity a aobedula wlliob alaall be leaaoaabla 1lll4er tlla oiroaataaoaa for raaallalttiiMJ daUvarUlaa requiriav ao4ifioatioDa

INriaq tba aevotiatioa of tu ACO apouuu wen iuiatut oa tlta iuartioa of tlla aiMwe-qaoted 1_ iah bullarApaptl U D of tba ampco wlaiob lampllfUamp9a wu aot iaolu4M ia IDa draft amp00 wbiob foraed tba baaia for tba DetOtiaUoubull 8p0a4uta took tba poaitioa that tbay oould aot k oblitated to a111ait uy IIOdifioatioDa requaatad by IPamp aooordiDCJ to a aobe4ula apeaifiad by IPamp UDlaaa tbat aobadula waa rauoaabla uadar tba oir0111Ytaaoaa

coaatniaq tba Draft Pll Report bullbull a delibullerable trineriav a fiadiat uadar Paravrapb JJ of tba aco tba raapoaaa to wbiob ia due witbia 21 daya by virtue of aaotioA va of Appeadiz amp (aa Adad Q avrabullaat) ia to AUllify tba prlaquoniaioa ia Paravraph JJ D of the aco wbiob raquirea 1ft to apeoify a aohampCula wllioll alaall be roaable uadar tbe circnaetucaa If 1ft datandaea that tba Draft 111 Report aullaitta4 Q aaapoadaata waa a dalibullerable warrutiaq a fiadiaq uadar Paravrapb JJ of tba ampco thea IPA uat bullpacify a acbadule wbiob aball be reaaoaabla uadar the oirCNalltaaoea for reaWittia9 dalibullarablaa raquiriaq aodifioatioaa lba tiae period prlaquonidad ia aeotioa vo of Appaadiz A to the ACO which IPA llaa adopted ia ita xay 10 1110 diaapproval of the 118 waa naqotiated aora thu a year in advaaoe of IPAa aubaiaaioa of co-aata and obvioualy cannot be viewed autoaatically aa bull aobedula vhiob aball be raaaonabla under tba

I I

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I~

Mr Edward Hathaway Tiaothy conway Eaq Hay 18 uta Paga 2

Adaittadly the ACO and Appandiz A attached thereto contain a daqraa of aabiquity on tbia point Appendix A to the ACO atataa on paqa 20 (aaction v Paraqrapba 7 and G) that the aaapondanta aball prepare and aWit to IPA a Draft 118 Report (118) ud that [v]ithin 21 daya (now 21 daya by aqraant] of raoaipt of IPA ooaaanta aaapondanta aball raviaa the Draft na aocordinq to aaid bullbulla coaaanta ud raawi t tba raviaad doouaant aa tba Draft Pinal rran It vaa aaapondanta undaratudiDCJ that they ware Ulivatad to raapond to IPA ooaaanta within tba praaoribed pario4 but that tba aubeiaaion would not triqCJampr u BPA UndiDCJ uadar Pararapb 33 of tba ACO or uy of tba couequanoaa wbiob -r flow tbarafroa

Paraqrapb ll of tba ACO doaa bowavar rafar to 8Pamp r t of tlaa 4elivarablaa required by tlaia Conant ordar Uld Ua Draft na aeport aUialtted bJ Reapoa4eata ia i4utified u a 4alivarUla oa patamp 20 of ampppudiz a IIOaatbalaaa Paratrapb 11 D of t1ae aoo prOY14ea tlaat ia Uta t of tiaapproal witll ao41Uoatiou required bullbulla will apeoity a aobedula wlliob alaall be leaaoaabla 1lll4er tlla oiroaataaoaa for raaallalttiiMJ daUvarUlaa requiriav ao4ifioatioDa

INriaq tba aevotiatioa of tu ACO apouuu wen iuiatut oa tlta iuartioa of tlla aiMwe-qaoted 1_ iah bullarApaptl U D of tba ampco wlaiob lampllfUamp9a wu aot iaolu4M ia IDa draft amp00 wbiob foraed tba baaia for tba DetOtiaUoubull 8p0a4uta took tba poaitioa that tbay oould aot k oblitated to a111ait uy IIOdifioatioDa requaatad by IPamp aooordiDCJ to a aobe4ula apeaifiad by IPamp UDlaaa tbat aobadula waa rauoaabla uadar tba oir0111Ytaaoaa

coaatniaq tba Draft Pll Report bullbull a delibullerable trineriav a fiadiat uadar Paravrapb JJ of tba aco tba raapoaaa to wbiob ia due witbia 21 daya by virtue of aaotioA va of Appeadiz amp (aa Adad Q avrabullaat) ia to AUllify tba prlaquoniaioa ia Paravraph JJ D of the aco wbiob raquirea 1ft to apeoify a aohampCula wllioll alaall be roaable uadar tbe circnaetucaa If 1ft datandaea that tba Draft 111 Report aullaitta4 Q aaapoadaata waa a dalibullerable warrutiaq a fiadiaq uadar Paravrapb JJ of tba ampco thea IPA uat bullpacify a acbadule wbiob aball be reaaoaabla uadar the oirCNalltaaoea for reaWittia9 dalibullarablaa raquiriaq aodifioatioaa lba tiae period prlaquonidad ia aeotioa vo of Appaadiz A to the ACO which IPA llaa adopted ia ita xay 10 1110 diaapproval of the 118 waa naqotiated aora thu a year in advaaoe of IPAa aubaiaaioa of co-aata and obvioualy cannot be viewed autoaatically aa bull aobedula vhiob aball be raaaonabla under tba

I I

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) Mr ldvard Hathawayr Tiaotby Conway Eaq May 18 ltto Paqa 3

cirouaatancaa for raapondinq to 33 ainqla-apacad paqaa of datailad co-anta

Acoordinqly in tbia invocation of diaputa raaolution Raapon4anta reCNaat that EPA withdraw ita findinq wtdar Parqrapb 33 of the ACO laaviaq tba aaapozutanta obliqatad to raapond to IPAa o~ata witbia 21 daya of raoaipt thereof in aooor4amp1loa with Appaadia A of tba aco In tba altaraativa Raapondaata aubait that if IPA viallea to iaaua a findinq UDder Paraqrapb U of tJta ampco it aut apeaify a aobadula wbioll aball be raaaonabla wtdar tlla oircnaaataaoea for raawJttinq dalivarablaa reqairiqaodifioatiou n

ne aMOad upeot or IDa KampJ 10 ltto trtttal with ftio~ u taka lana for puopoaaa of 4iaputa reaolatioa ia tile ntpineat tJaat aeapoadeate ooui4er ia tba Draft liaal ln teolaaolotlM nob u eallaaoe4 flubiq or aoil vapor atraottoa

~~~~~~~oro~ bullrt~T~0 tM bulloope of tile Ulitattou ftioll apoalaquoata ua4ortooll

IM -14 of DeobioD (IOD) baued IIJ tu JleVioaal ~albulltrator oa etUr 11 ltea atatM oa tllrM (of tM fl_ portloa prOH41Df tile -soaal Adalaiatratorbull bullipatue)tUta

U41tioaal bulltu4iea will be ooa4uot to 4eteralae tile rUtility of~ wuto aaterialbull froa trowulwater

~1~ =-~own U aatarialbull flOII 9rotaa4water laa4filliat of wute aatorialbull ia a Udoua aa4 aoli4 Wute aa-tbull (Uft) laa4fill or otbar appropriate teoUolotlbullbullmiddot fto a44itioaal atu4iaa will iaolu4a but aot be liaitH tobull

1) aa4 (aio) OYampluatioa of tba faaaibilitJ effeotiYeaeabull aa4 oobulltbull of il2lal1Jag waataa froa 4Jrowutwatar iaolu41D9 a 4ataila4 aYaluatioa ofa

a aa lPflamp41eat pomeabla vertical trowutwatar 4iveraioa bulltruoture aiailar ia ruction to a franob 4raiJU

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IJilfbullrJ trbull ( If~middot

I

) Hr Edward Hathaway Tiaotby Conway Eaq Hay 11 ltto PampCJamp 4

b pbyaical barriera auob aa a alurry wall that aaparata vaata aatarial froa qroundvatar andor dapraaa tba water tabla to ainiaiaa contact batvaan vaata and qroundvatart

o a aaana of lovarinq tba water tUla in araaa of vaata diapoaa l to aliaiData or ainiaiaa contact betwaaa vaat a ud qroua4wat ar 1

d reeoviaq t ba waata i aoludiaq tlaat vuta ia ooataot vitb qnuftatar for diapoaal ia a 11ftamp loadfilll

a rMOYiaq the wuta l aoludiDIJ tUt waata ia ooataot vi tb0 r=~ orrtri bJ

t otbar of l110latiat wuta aatariala t~ qrotarr aad

9 oobi aati oaa of tba abobullbullmiddot (_laui a amp44ed ) Laaquaqa i daatioa l t o t bat quot e4 aMbullbull ia f ouad oa 1 1 o f t ba portioa of t ba IOD followiaq t ba ai oaal ampdaiaiatra~r a alpatua

Uditioaally oa paqa 25 of tba aaae portion ot the aoD it 1bull bullta t tbata

A44itioaal bulltu4iebull will be aoa41lote4 to 4etemiae the r Utilitr of iaAlampUu wabullte -terialbull tro vroaaftater b aote4 UMwe the a-4 to JulaU trouater wu aoabullerM to bullbulla by a~aterbull 4uriD9 the publia ~at period u4 by the state ot veroat Oil lepteber 2 1111 be tinniag of qrouadwater tlow troa wabulltbull aaterialbull oreatiaq UDial MnlAu bull-rbulltipq wabulltbull aaterialbull trOll vrouadwater ludtillill9 ot bullbullbulltbull uterialbull ill a Kasardoubull aad lolld bullbullbulltbull Meadaeatbull (UDI laadtill or other appropriate teabaol09ibullbull will be bulltudia4 ia order to deteraiae it bulluab ~ would deoreabullbull the tiae needed to attain

) Kr Edward Hathaway Tiaotby Conway Esq Hay u 1990 Paqe 5

qroundvatar cleanup lavalbull and eliminate tha riaka aaaooiata4 with tba contamination of bedrock (phaaia added)

In acoordanca with their undaratandinq of tha ROD Raapondanta axa0uta4 an ACO which aa provided in Appendix amp required an Iaolation of Waataa froa Groundwater Stud ud a Poouaa4 laaaibility study (FPS) bull 11 Accordinq to aaction 2 amp of Appandiz A to tha ACO tba qoal of tba (Iaolation of Waataa froa Growutwatar Study] ia to dataraina the faaaibili ty of iaolatinq vuta aatariala froa grouadwatar ud infiltratinq praoipiUtion tbro119b diartiq qrowadwatar flow aroua4 vuta aatariala oreatiq pbyaioal bazriera to aeparata wuta aatariala froa qrouafta~r u4 lnfiltratiq preoipitation ludfilliuq of vute aateriala ia a aardou u4 80114 wute Aaea4aeata (UD) laa4fill or otller appropriate teolaaoloqiea liailarly aooor4iaq to aeotioa n parqrapb amp of ampppea4ia amp to tba ampCO ftbull oltjeotlYe of tbe Jocnaee4 llbility ltudf (111) aball be to pro4uoe u ftaluatloa of ecnaroe ooatrol reetial utivitiea t1aat iaolata wutea froa 9rouaftater

0 bull bull bull bull leotioa IV a requirebull tbe reaulta of tba ftalutloa of iaolatioa -obaai- to 11be praaaate4 ia tba foraat of a ~ae4 reulbllity ltu4y (RI) middot

IIOtwltbetu4lq tbe foroint bullbulla bu ia 1ta letter of 10 ltto u4 attaota thereto requlre4 tbe aeapoa4eata to aoaal4er tr-taeat teobaolOCJiea auob aa eullaaoe4 fluabiD9 aa4 aoil vapor eatraotioa we reG09Jllbullbull tbat auab taoluaolOCJiea reault ia tbe re4uotion of ooutaaiauta in alta aoila but tbat faot doea not aake auoll taobDoloqiae aeobaai- of iaolatill9 waate aaterial froa trowulwatar bullbull oont~late4 in tba IIOD tbe ampCO an4 Appea4ia a to tbe ACO Ware tbat to be tbe caae all treataeat taoluaolOCJiea would be oouaidered iaolation taohllolOCJiampa ud tbe preoiaa lampJa9Uqbull of tba IIOD the aco u4 AppampDdia A to the ampCO W01114 be raadare4 a aullitJ

ID a44ition to tbe foratoiDq baaia for aoataatiaq ampPAbull raquirbullaat tbat aaapoadaata oonai4ar aabaaoe4 fluabiq aa4 aoil vapor utraotioa ia tbe fact that tboaa taobDoloqiaa warbull bullorHaed out fro ooaaidaratioa by ICI ia tba Draft riaal 11 aaport prepared on Hbalf of BPamp on Juaa u ubullbull middot ror uapla witb raapaot to aoil vapor utraotioa ICI concluded tbat tba taolllloloqy woul4 ba 114iffioult to iaplbullaat aa4 operata due to tba hataroqaaoua natura of ai ta aoila aad buried waata IH rabla 4shy2 10 amplu paqa bull-27

I ~ I

) Hr Edward Hathaway Tiaotby Conway Eaq Hay 11 ltto PampCJamp 4

b pbyaical barriera auob aa a alurry wall that aaparata vaata aatarial froa qroundvatar andor dapraaa tba water tabla to ainiaiaa contact batvaan vaata and qroundvatart

o a aaana of lovarinq tba water tUla in araaa of vaata diapoaa l to aliaiData or ainiaiaa contact betwaaa vaat a ud qroua4wat ar 1

d reeoviaq t ba waata i aoludiaq tlaat vuta ia ooataot vitb qnuftatar for diapoaal ia a 11ftamp loadfilll

a rMOYiaq the wuta l aoludiDIJ tUt waata ia ooataot vi tb0 r=~ orrtri bJ

t otbar of l110latiat wuta aatariala t~ qrotarr aad

9 oobi aati oaa of tba abobullbullmiddot (_laui a amp44ed ) Laaquaqa i daatioa l t o t bat quot e4 aMbullbull ia f ouad oa 1 1 o f t ba portioa of t ba IOD followiaq t ba ai oaal ampdaiaiatra~r a alpatua

Uditioaally oa paqa 25 of tba aaae portion ot the aoD it 1bull bullta t tbata

A44itioaal bulltu4iebull will be aoa41lote4 to 4etemiae the r Utilitr of iaAlampUu wabullte -terialbull tro vroaaftater b aote4 UMwe the a-4 to JulaU trouater wu aoabullerM to bullbulla by a~aterbull 4uriD9 the publia ~at period u4 by the state ot veroat Oil lepteber 2 1111 be tinniag of qrouadwater tlow troa wabulltbull aaterialbull oreatiaq UDial MnlAu bull-rbulltipq wabulltbull aaterialbull trOll vrouadwater ludtillill9 ot bullbullbulltbull uterialbull ill a Kasardoubull aad lolld bullbullbulltbull Meadaeatbull (UDI laadtill or other appropriate teabaol09ibullbull will be bulltudia4 ia order to deteraiae it bulluab ~ would deoreabullbull the tiae needed to attain

) Kr Edward Hathaway Tiaotby Conway Esq Hay u 1990 Paqe 5

qroundvatar cleanup lavalbull and eliminate tha riaka aaaooiata4 with tba contamination of bedrock (phaaia added)

In acoordanca with their undaratandinq of tha ROD Raapondanta axa0uta4 an ACO which aa provided in Appendix amp required an Iaolation of Waataa froa Groundwater Stud ud a Poouaa4 laaaibility study (FPS) bull 11 Accordinq to aaction 2 amp of Appandiz A to tha ACO tba qoal of tba (Iaolation of Waataa froa Growutwatar Study] ia to dataraina the faaaibili ty of iaolatinq vuta aatariala froa grouadwatar ud infiltratinq praoipiUtion tbro119b diartiq qrowadwatar flow aroua4 vuta aatariala oreatiq pbyaioal bazriera to aeparata wuta aatariala froa qrouafta~r u4 lnfiltratiq preoipitation ludfilliuq of vute aateriala ia a aardou u4 80114 wute Aaea4aeata (UD) laa4fill or otller appropriate teolaaoloqiea liailarly aooor4iaq to aeotioa n parqrapb amp of ampppea4ia amp to tba ampCO ftbull oltjeotlYe of tbe Jocnaee4 llbility ltudf (111) aball be to pro4uoe u ftaluatloa of ecnaroe ooatrol reetial utivitiea t1aat iaolata wutea froa 9rouaftater

0 bull bull bull bull leotioa IV a requirebull tbe reaulta of tba ftalutloa of iaolatioa -obaai- to 11be praaaate4 ia tba foraat of a ~ae4 reulbllity ltu4y (RI) middot

IIOtwltbetu4lq tbe foroint bullbulla bu ia 1ta letter of 10 ltto u4 attaota thereto requlre4 tbe aeapoa4eata to aoaal4er tr-taeat teobaolOCJiea auob aa eullaaoe4 fluabiD9 aa4 aoil vapor eatraotioa we reG09Jllbullbull tbat auab taoluaolOCJiea reault ia tbe re4uotion of ooutaaiauta in alta aoila but tbat faot doea not aake auoll taobDoloqiae aeobaai- of iaolatill9 waate aaterial froa trowulwatar bullbull oont~late4 in tba IIOD tbe ampCO an4 Appea4ia a to tbe ACO Ware tbat to be tbe caae all treataeat taoluaolOCJiea would be oouaidered iaolation taohllolOCJiampa ud tbe preoiaa lampJa9Uqbull of tba IIOD the aco u4 AppampDdia A to the ampCO W01114 be raadare4 a aullitJ

ID a44ition to tbe foratoiDq baaia for aoataatiaq ampPAbull raquirbullaat tbat aaapoadaata oonai4ar aabaaoe4 fluabiq aa4 aoil vapor utraotioa ia tbe fact that tboaa taobDoloqiaa warbull bullorHaed out fro ooaaidaratioa by ICI ia tba Draft riaal 11 aaport prepared on Hbalf of BPamp on Juaa u ubullbull middot ror uapla witb raapaot to aoil vapor utraotioa ICI concluded tbat tba taolllloloqy woul4 ba 114iffioult to iaplbullaat aa4 operata due to tba hataroqaaoua natura of ai ta aoila aad buried waata IH rabla 4shy2 10 amplu paqa bull-27

I ~ I

) Kr Edward Hathaway Tiaotby Conway Esq Hay u 1990 Paqe 5

qroundvatar cleanup lavalbull and eliminate tha riaka aaaooiata4 with tba contamination of bedrock (phaaia added)

In acoordanca with their undaratandinq of tha ROD Raapondanta axa0uta4 an ACO which aa provided in Appendix amp required an Iaolation of Waataa froa Groundwater Stud ud a Poouaa4 laaaibility study (FPS) bull 11 Accordinq to aaction 2 amp of Appandiz A to tha ACO tba qoal of tba (Iaolation of Waataa froa Growutwatar Study] ia to dataraina the faaaibili ty of iaolatinq vuta aatariala froa grouadwatar ud infiltratinq praoipiUtion tbro119b diartiq qrowadwatar flow aroua4 vuta aatariala oreatiq pbyaioal bazriera to aeparata wuta aatariala froa qrouafta~r u4 lnfiltratiq preoipitation ludfilliuq of vute aateriala ia a aardou u4 80114 wute Aaea4aeata (UD) laa4fill or otller appropriate teolaaoloqiea liailarly aooor4iaq to aeotioa n parqrapb amp of ampppea4ia amp to tba ampCO ftbull oltjeotlYe of tbe Jocnaee4 llbility ltudf (111) aball be to pro4uoe u ftaluatloa of ecnaroe ooatrol reetial utivitiea t1aat iaolata wutea froa 9rouaftater

0 bull bull bull bull leotioa IV a requirebull tbe reaulta of tba ftalutloa of iaolatioa -obaai- to 11be praaaate4 ia tba foraat of a ~ae4 reulbllity ltu4y (RI) middot

IIOtwltbetu4lq tbe foroint bullbulla bu ia 1ta letter of 10 ltto u4 attaota thereto requlre4 tbe aeapoa4eata to aoaal4er tr-taeat teobaolOCJiea auob aa eullaaoe4 fluabiD9 aa4 aoil vapor eatraotioa we reG09Jllbullbull tbat auab taoluaolOCJiea reault ia tbe re4uotion of ooutaaiauta in alta aoila but tbat faot doea not aake auoll taobDoloqiae aeobaai- of iaolatill9 waate aaterial froa trowulwatar bullbull oont~late4 in tba IIOD tbe ampCO an4 Appea4ia a to tbe ACO Ware tbat to be tbe caae all treataeat taoluaolOCJiea would be oouaidered iaolation taohllolOCJiampa ud tbe preoiaa lampJa9Uqbull of tba IIOD the aco u4 AppampDdia A to the ampCO W01114 be raadare4 a aullitJ

ID a44ition to tbe foratoiDq baaia for aoataatiaq ampPAbull raquirbullaat tbat aaapoadaata oonai4ar aabaaoe4 fluabiq aa4 aoil vapor utraotioa ia tbe fact that tboaa taobDoloqiaa warbull bullorHaed out fro ooaaidaratioa by ICI ia tba Draft riaal 11 aaport prepared on Hbalf of BPamp on Juaa u ubullbull middot ror uapla witb raapaot to aoil vapor utraotioa ICI concluded tbat tba taolllloloqy woul4 ba 114iffioult to iaplbullaat aa4 operata due to tba hataroqaaoua natura of ai ta aoila aad buried waata IH rabla 4shy2 10 amplu paqa bull-27

I ~ I

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Hr Edward Hathaway Tiaothy Conway EaqHay 18 1 lttO Paqe 6

Reapondenta did not aqree i n eKecutinq the ACO to conaider treataent teohnoloqiea that were eliainated by EPA a own contractor Reapondenta did not a9ree to conduct a coaplete leaaibility study in liqht of the new inforaation obtained durinq Reapondenta field activitiea The Reapon4anta did not aqrea to parfora a aupplBental laaaibility study Rather aaaponduta atrd to parfom a loouaed reaaibili ty Study and the focua of that laaaibility study waa to be pbyaical aaane of iaolatinq waatea froa qrouadvatar

In raiainq tbia iaaue in diapute reaolution Reapoadaata 4o not aeu to aqqaat that IPA ia without authority to oonaider ulauoa4 fluahiaq ud aoil vapor utraotion or otbar teollaolOCJiampa llor 4o we aeampD to auqqaat tbat we neoaaaarilr will rafue to ooui4ar tboaa teolmol09iaa in our final autaiaaion aatllar aHk a deolaration in tbia diapute raaolutioa prooee4iag tlaat hoadbullta ara aot obliqated by virtue of tbe aco to oouitler tlaeaa teollaolotiaa u4 tJult aapondeata failure to oouidar tla teolmolotibullbull oaaaot be ooaaidere4 a violation of ttampa ampCO

-poacleata a1111ait with reapeot to both aajor ianu aat fortJa ia t~a latter tlaat tha ampco ia a ooatraat betw 8amp aad ta A ooatraat ia to be ooutrv aooortiDCJ to loshyreocNpil priaoiplaa of ooaatruotioa Ia ooaatratq a ooatraot tha duty of the 4aoiaioa aakar i1 to aaoartaia the true iateatioa of the partiebull to the contract nara uy portioa of a ooatraot ia aabiquoua the deoiaion aampJtar abould conaider utrinaio nideaoe

bulleither Reapoadenta nor their attorneyamp nor their ooaaultaata uaderatoo4 the ACO to require reapoaaea to a diaapproval with aodifioatioaa to be aWitta4 within tba tiaa frua profided ia Appendix A to the aco bullor did they UD4eratu4 the ampCO to require ooaai4eration of eahaaoacl fluabiaq aoil tapor utraotion or other treataent tecbaolOCJiampa bullbull raapactfully bullUCJCJbullbullt that a fair reaolution of thia ctiaputa requirea the 4aoiaion aaker to bear our viwa

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