5( 10 4

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY

Dloldler 18 1996

bullubullJaCT PrelWnary lkaft Relaedial Inveatiqatioo 1tpgtrt Re-Solve Site DtrtftlUth Hauact1uHtto

0 Pi~lit ScD Enviroomental lbxioologiat Wotor Suwly Brand

Stlgtlln Jayoe llogiooal Project Honllgor 814gtUfund Branch

fte tkaft aedial Inve~~tigatiCI Alpxt foe the Re-Solve Site (Noar 1986) bu - rovi-1 foucrlng ~ plt Oll(tluio on Section 5 IIIStmnIAL liEILS onll Section 8 PIIILIC HPALTII IVAUWIIQI _ shy-=tiaw Rlld atantial revbiorw

Section 10 DmDlJCIIQI 1 ~ 1-10bull a ocltodoal dongoo oro -s

2 TKUe 1-1bull

a Rlquir~ta f 5 6 and 9 MY not be in the appropciate ClOliJIIll

b Rotpl_t 9o Btato llltor ()ality -middot ohluld bo tho ORgtliooble r-ir_

e Rlquir-nt 17 ahluld be the Clean Air -ct an not the Clean water

ation -middotJO KUARIXlJS Stlt8lNU INVPBlIGMlltl 1 Pllge 3-41 Secxn5 Hntence unier PC3Peatieidell) ia nx etr

z IOiqo 3-5bull

a he MCXn1 and third Mnt are irpprqdate atat~u

b Tablo 3-1 plt_ only -arizlaquo~ r-uto foe total lalo onll total wlatilbull ani not ffX other ~middot

3 Pllge 3-12 MCXlld paraqrtpht on fint and fourth ~ are inshyefPCIXlate

4 llOigo 3-15bull

bullmiddot PCih Clarify the atat--t of Pat cxntuination ie xe wide bullead iiiiJ xe atablebullbull

b Iaot oentencobull - could PCB oolubilty orilanood by hilt~ VOC tuination oplain the PCB cxntaadnation fcJurd in obMrvatioo well ~B-255 and the F Clueter

s Atge 3-18 aeocnS eentenoe at the bottcraquot of the ~middot Ia it technically acxwate to state that _ CXllp)Ur1da fora canplubull with PCB cxJIP)Uilda which are~ in water

tbullbull n_c u)

-2shy

6 Alge 3-19 fourth paragraphbull Typo for t~~middot

7 ~ge 3-201

lbue particular CXliii)OUIyen1I ahould therefore be a6Sed together bull bull Iheee CXliii)OUIyen1I can not be aMed together beoaUH trana-12-dicloroshyethene ia OCIIIidered a norrcarc1R)9Wl an1 the other two CXliii)OUIyen1I have oucirogenic potattial A110 brth trich]oroethele and tetractuoroshyethono have corclrwogonic pootiol tho corclrwogonic potoncloo are different

Soctlon 50 SURP1oCE - Nil Wllll-lll DlllfSIlGIIrlQI

1 lOgo 5-21

a Miamplle paragr_ Rtate Iatnd bldbull Ia Soon1 a typO

b taat lint ltw iron t a ~t of naturally OCOlting iron dbshyduqod to bull 1o thia atat_ -tantlatod lJI tho onalyticol data

2 - 5-18bull lily ciCilbllng of flolt thot oocura In tho ur - tho -land and tho Al-ln 101 51ta In 911-100 ~ of TYlti

J - 5-21 flrat paragraphbull

The amp~tection of PCB in tN lfiltered uple blt not in the filter~ _1e proviltIM llll)pXt to tho _ulation thot tho ICBo - In tbl aurfaoe water were ~ ooto aUt clay or ~c ateriala ttwroer the pE-rraquo of Fa upxted aJt of the rwarshyfleld atudy area by urfaoe atr daM not need the proof that JIC8e are only preHnt in the unfilter- M~Plbullmiddot

4 - 5-21 laat paragraphbull Blllth and _ (1984) did not shytho blctronotorwotion of tatradJoroothono to di~ (othylono chlcltldo) In fact tho raport by Alnone at ol (Joumal -middot 56shy59 -uary 1984) lnoloatod thot di~ and 11-dichlcltOathono -e not diatlngulahod oltl04gt tho _ raportod tho cterwd _ didlorooothanO

s Tlble 5-So 1101~ of ocll wrap allcgt1ld bo excluded froa the bull_te wol~tamiddot othentiM the pruation of MJ~Plbull wei~ta ia -ningl

6 - 5-40bull 1be ro-lt~otactlon of latlle 0lt9ic _o In floh tioouo - oloc Indicate thot either tho doteetlon lJolt for floh tlaouo onalywia ia too hitlt laquo the wlatil were lolt during the uple preparaticn prtJOeiNmiddot

7 Page 5-41bull

a nlird line1 the citatlCI of USSC 1979 ia incorrect The WatershyAtlated nwtronaental Fate of 129 Priority tollutantebull waa plblilllwd lJy the Offioe of water Planning ani Standard8 us Environmental Prot~ tlon ~~qency EPA-4404-79-029ab llaoodlor 1979 It ollAlld bo cltatod middot

-3shy b Phthalate eaten ampraquo not ocxur naturally althcul1a there ie -e eviclonoo _tlng that certain plonto anll anial tiuue my eynthelire phthalate ura ltJweYU the ~t of this CXlCUIrlaquollO II Wllltngtm

c Third line fran the tottaru Typo for ~7

a Page 5-42t

bullmiddot vela detect- in the gaMfiah 4o not indicate a prcblbull at thia ttbullbullbull 1M rulta cnly indicete that level8 detected are below the UsmA peraieeible lel

b he citation of EPA (1980) II foe 1gta10 anll not for cirgt and Y In additlm us PI Mta 1a in bullter for the prouction of h_ Mamplth anll -tic lifo anll ~ not - lildto in fioh foe ~uantion

c tut unce of the ~parWJr~bull M8olbtim froa the wtert Ie thibull an abeOrption inat- of tortJtion

9 It II oore -late to - a-ction 5455 -ltho Aoooclotoll Fioh Qnftlcn in ampoctitln 8 IIJIILIC IIIILnl lllliJiffiil

10 - 9-43 xnl poltagltOtU

a 8Ptantial rillke of adverH effecU otblr than car~ie1 Olllnge ~tantial dike to pJt~ial dake We aan not auert that there are IIUlraquotantial dike bued on the calculated upowre c1oee of vithin a factor of 5 of theM effect 1-1bull

b bUrth line froa the botto of the puagratu oange doee to daMbull

u Table s-9t

a lt1y awrago body wit of 691 kg io - in oo-1 of 70 kg

b BxpUtbull SceUiO 2 calOJlAtiCI foe thl an daily intake of PaMt

1 A poronthooio lo - foe 691lt365 H A factor of (1070) io - to alljuot foe 10 yoaro __ over

the lifotilo of 70 yoaro

12 Pogo 5-45 tqHparagrapu AlthcAgtIllaiO al bo folftl in f-tor fiah in the Notional Paotlcl4o ~taring Progru or in otudibull froo a opoclflc regia in the nation at ocnoentratcN hlpt than thoee ~ in the gampMfbh froe the Re-Solve eite we can not neglect the fact that PCBa ora not OIJilPOOd to bo fS in tho flah if the irhbiting water io not a10tudnated It ie not appropriate to refer to ~ obMrY8C fro~~ the IQOilitoring progr u bockground levo1o

13 Page 5-45 the Qlpicut Riwr ie not clean 11 t Dlfine oot clean ~ refermiddot

dn to 8p8C1fic oxttudnant ~cela or parUitterbullmiddot

I I I I

rbullral1 ~- illj~ l

trl [ If~ i l f~(l

I

-3shy b Phthalate eaten ampraquo not ocxur naturally althcul1a there ie -e eviclonoo _tlng that certain plonto anll anial tiuue my eynthelire phthalate ura ltJweYU the ~t of this CXlCUIrlaquollO II Wllltngtm

c Third line fran the tottaru Typo for ~7

a Page 5-42t

bullmiddot vela detect- in the gaMfiah 4o not indicate a prcblbull at thia ttbullbullbull 1M rulta cnly indicete that level8 detected are below the UsmA peraieeible lel

b he citation of EPA (1980) II foe 1gta10 anll not for cirgt and Y In additlm us PI Mta 1a in bullter for the prouction of h_ Mamplth anll -tic lifo anll ~ not - lildto in fioh foe ~uantion

c tut unce of the ~parWJr~bull M8olbtim froa the wtert Ie thibull an abeOrption inat- of tortJtion

9 It II oore -late to - a-ction 5455 -ltho Aoooclotoll Fioh Qnftlcn in ampoctitln 8 IIJIILIC IIIILnl lllliJiffiil

10 - 9-43 xnl poltagltOtU

a 8Ptantial rillke of adverH effecU otblr than car~ie1 Olllnge ~tantial dike to pJt~ial dake We aan not auert that there are IIUlraquotantial dike bued on the calculated upowre c1oee of vithin a factor of 5 of theM effect 1-1bull

b bUrth line froa the botto of the puagratu oange doee to daMbull

u Table s-9t

a lt1y awrago body wit of 691 kg io - in oo-1 of 70 kg

b BxpUtbull SceUiO 2 calOJlAtiCI foe thl an daily intake of PaMt

1 A poronthooio lo - foe 691lt365 H A factor of (1070) io - to alljuot foe 10 yoaro __ over

the lifotilo of 70 yoaro

12 Pogo 5-45 tqHparagrapu AlthcAgtIllaiO al bo folftl in f-tor fiah in the Notional Paotlcl4o ~taring Progru or in otudibull froo a opoclflc regia in the nation at ocnoentratcN hlpt than thoee ~ in the gampMfbh froe the Re-Solve eite we can not neglect the fact that PCBa ora not OIJilPOOd to bo fS in tho flah if the irhbiting water io not a10tudnated It ie not appropriate to refer to ~ obMrY8C fro~~ the IQOilitoring progr u bockground levo1o

13 Page 5-45 the Qlpicut Riwr ie not clean 11 t Dlfine oot clean ~ refermiddot

dn to 8p8C1fic oxttudnant ~cela or parUitterbullmiddot

I I I I

rbullral1 ~- illj~ l

trl [ If~ i l f~(l

I

14 Page 5-46 a If PCBe are detected in aurfaoe water they are in the eolution al~

they lllight be in the _soc partlc1u rather than being diooo1wll

b Major cxncluion on sampnt QUlitx 18 ina)rrect

i ftJw can organic aJntaaination be auociatecS with inorqanic partiltgtllate mtter

U tgtlatilM ltXIltudMtion 1a nX auoclated with eerUIBlt unlbullbull their octaro1water partitim ogtOfficita ora greet

ampaction ~o -IIJNlIN liUS

Pr-ntatioo and diiiOJMion are not well CJrglll1ized It vill be euler to follcw if thlre b a MP lllddng well loalticnl and a bble lllodng ~ tu1nonta llnCI their atlono Aloo _ wo rule out the pgtNibility thet the aite ia the lOUCei of oJIltalliU fotn5 in the tMicSintial bulllla w~ etantial etU1d ~ti flaaticnl are nMCSed and can not be bulaquo on pJre guea llnCI lllllltion ampource of 1S 101gt0lo - in reeiclantiel wollo at 61-241 PIgt -- furtMr in-tigatlm

1 -- 6-4 62 HI9roRIOU IWIk t

It wa ~ that no contuinanta detected in thl private well -ur praquoed a thrMt to pUc health bull Data ard -ry of the eyenaluation nlll4 tobeplt-middot

2 -6-7o

bullmiddot Mlampne parogrepho us - prqooMII a ICG of 20 PIgt for 1S in drinking wter

b Iaet paragrapu It that wll-48 h a belkock well II it poMible that the trace uoant of di~ylprthalampte fan in the woll odltlot be -iwll froa tho alta tllrooltlo - fracture

3 1119bull 6-8a

a Socond paragraph noa ~12-lt11~ io plt_t CXHOite in ita parent foil 111-tridloroetMnlbull I u -re of thl fact that 111-uidUQroethanl can be traaw~ to 12-dichlorchyl bJt not to 12-di~middot

b laat paragraphbull Indioate tho ~-- in -47

4 Atqal 7 and 9a lad fcu1d in PW-01 PW-03 ~11 PW-28 at 61 to 241 Wb ncSe further evaluatioo Al~ lead oootuinatim my or ay not be related to the aita there ie algnifioant mncem for theM OJilCII~ tratialll (lbeerved in drinking watar

5 agO 6-11 6 5 NPLICraquoU Am JII1ZVltll l1Ul1(111l1illlR CRIEIUA

a 01fferent uaurptiorw ard atipulatiorw an incorpgtrated into the derivation of ~ MUll Health Mviaoribullbull and Albient water

-5shy

()Jality Criteria oxwequently direct ~leon of the ocrtuinant conoentratiooa to differt atardamprdacriteria u pruented in nlble

~~o~~eed fo~=middot =riii~rl =1=~ uaedo

1) MaXbllm Ogtntaminont tevel Goal (MCLG) a the - terminology for JML In order to aYOid CXIltuion N1G ebJuld be oxwiatently UHC1 throughshyout the report

6 ~ 6-12 firat paragraphs It b ~ to fird lead in drinkinrl wter trc oorroeion of lead piping an4 ClClmiCtiona lboleYer it b ~ to find lead ClQIKW1tration in water at 61-241 ppb frca naturally occurring load in ooil llld lood paint rbulliduaa

7 =~t~~i~~~c~~1u-teta~ =--a=~~-y pJtential IICUIoe of omuination

B~~ 6-2

bullmiddot lllat do theM tn wlla npreeent Jbf they ue dIOMn to be incluSed in thb tabla ftrla table ia atgt oot ~lunt with the ~pr- in tho previous- (p 6-12) lllqo 6-12 indica- thot only foJr OJt of the 14 wlla haw QE9Mie oantMinanU attribltabla to the aite ltlil Ubla ~ 6 _u ontulnated vith CJrgllic ard 4 wells oontamnatoo with 100lt1 aco clarificotCII io -middot

1) lhio toble io not up-to-ltlatocl with tho __ in the ~oocl Priey llltinking Water IWIJlatlCIIOo - hao prqgtOMd bull ML of 5 ppb for both bonltMlO llld 1 2-ltlidlOrOOthenOmiddot

9 Table 6-Ja Typo for o-n~ylphtllAta

10 -6-16 IIOOOId poragroPgt unoler 671 -RY BY ltIIWPbull

KLG of zero for a oarcl~c OIJIIIOftS like 12~dlJOlOethanl b mt IRJEOPCiate to be UMCS for OCJIIPUbOn to tbl dJMrYid cxna~tration ainca ~ non-ctetecUd CJOIlClllntration b ~ter than zero in theory an4 we alwaya have a ~ion liait ot grater than uro

11 -6-17 67 2 aHNUIICII at CDIIliiiDMI UYI1S lltl us- IIMlMilS

CIU1DIA Dbobulleiaw pceeentecS in thie aubMCtion ie iIIIFPOpdate Rlfer to ~t flO

80 PIIBLIC HAIJDI poundllWJMIltJi

1 8 21 IUWI HFAIJDI INDICATOR QliMICALS

ltle logic of thl Hlection proceebull ~ rea~CMble (t)WeVer jutifioeshytiona for nonlection are axe NJjeetional and not well ubltanshytlatec Olelnicalbull detectec in rbullilt5ential wellbull ~ CXIltuinatiat attributable to the lite tlould bl tnclurSec u tncUoator ~middot ne oa1cu1ated -tric _ inclUltIo thoM ling locotCIIO -ocli shy

of the aite or theM oawidered u ~grourw tdch tend to dilute the real aignificance of the CXJntamlnation

2 Page 8-9t

bullmiddot Define major dt~relat~ CXJntaminant

b BadUil ~ nickel are not oawicSered to be toxic to huaana at the detected levela of CDltuinatim via the oral route of upoeuret Barba ranke the fint for ita non-carcirogenic efeecta bued m the calculation of ita toxicity axe trt concentration and toxicity infJex If we can middotuc1s bari ~ Cl1 thb ~t nne of the a-icala - to bo Hloctod for tho ovaluatlon of lncgonio eff-=ta

1 NlerS to define lal tr-ybull of detection

U If ony ucluSod fro tho ndicatolt Hot boshycuM of the ww-ilability of the intonation it llhluld be oleorly otatod

3 ~ 8-9 Olntudnanta in Boilbull and stirtabull rta trc eurfaoe u and N~wrfece eoli iiiCiUid bi ~tiiiiia Mpratelybull

bullbull ~ 8-121

bullmiddot Juatification1 for the ~Hlection of ~ ctdeala are not ecJln For ~le buiUII rankl the hi~t in toth ~ter end aurfaol water ~Uplbullbull Mercury wu ttetected in all of the Si-t auplbull and ampleo cietected in mil and ~ter ~1- ltJw can it be not HlectS beMd m ita liaitS cHatributioo at the aite

b Iaat line1 11e prooeea UM1 for the Public ltMlth Jvahbulltion in thb report amp not ~- that all _looted m pr-t at 1-la OCJn8iduS lllikely to pM eleWited riaka he ~ mty eeleeU ~ txeMfltlng a)X hUAid lriil the dte

5 IOogo 8-15o

bullmiddot 822 Aqatic Life Jndieatoc ~cal81 A table pr-eeenting OCJIIIIUilt of ~cal ~aitaw detected and the Albient Mater Qlality criteria foe the prot-=ticn of aquatic life b needed to cxrwinoe the readere that the lewla at tdch alta-related contudnanta ware auured would not be of CXIIlOttn to frethwater aquatic life ftlia atat-t aleo ltklea not corwilttnt with the UUtim prted in 86 DlIIRNINIAL MSISSHIIIIo

b A eynopeie of the toxicity profiles h needed in thia repjrt tie diacuuion Cll weight of evidence lbMn oo pS-27 can be preeented-middotmiddot 6 Page 8-161 nlble 8-5 inCiicetee that 101 eupling reaulte 00 not play

a role in the final lection of the indicator dwlnioale

-7shy

7 Plage 8-18 Although the aite ia fenced it ie not onaiderlaquoJ u a perllllln8nt NUure Aeaarnent of the potential expoeure petbfaya llaquolUld abo have to owdder the dtuaticn that the f~ being knocked over or the fence oould be reiOYed or cSuaged in the future and allow free acceaa to the contaminated areu

e It is unclear if the on-Bite aoil oontudnations are all in the a~

aurface and all the eurface 8011 contulinatiaw are in off-1ite lcxatiooe

9 Alge 8-17 83 IIBnIFICATICN CF EXPCGJRE PAIHriiYS

a It toiOUld be ut~eful to prennt a 8UIUl) table for pgttential expure paUye identified for the preeent anUticn and future onitioo

b lllo potential oxpoouro pa-yo lsontifioll In thio oubooctia1 nooll to be onaietent with thoee UMd in wbMctim 84 HJ1iN HFAllnt RISK ASSESSMINI 0

10 1logo 8-18bull

a SecxnS paragraph Contudnatiat baa peniated in uturfaoe ~dte 1011t Pllge 9-29 aleo llhowa ~on1ite IUlfaoe 11011 contudnation

b Seon1 Hnttnce of the laat paraqraph - to be Cl)ntradictory itoolf

11 fWJe 8-19 lut paragraplu If PCIe fon1 in fi~ tiuue are fran the aite Y the other ~ liated here are not ait-laquoelatlaquolt Sectiat 5 don not to provice any inaiclrt to the ~tim

12 AM)e 8-20r Table 8-1 amp not prant intonation to cxncllll5e that IUrfaoa water in theM thr water boCiiH do not oontain contudnante at lewle hi~ -ugh to PlH edverH effecU to aquatic litebull

13 Pllge 8-20 ltIJBn EJI)OUre to OJntudnated -ictntial Wll Mater

Intor-tion regarding cxIOtaJidnation ani locatiorw of the private wella in relatim to the dte ia not cxneietent ~t the nport Pbr exuple the text preeented in Section 60 RrSitiNJIAL mLS inUoatea 17 prite walla had CXllltuinante Table 6-2 preeenta data for only 10 welt ampIDl9 llllicl PW-23 ie not ~tioned in the text Section 60 aleo indicatbull that PW-15 h located directly ~a4it from the aite blt it 1e not inclueaed in wella oneicSerS to be downgraUent private welt on footrote of page s-20

14 ~ 8-21lt

a Second paragraph ne lead oblerwd in theee private wellabullbull rather my reflect typi011l badcgromCI lead lewle for the tbrth DartRolth areabullbullbullbull 1 We are unaware of the typical blc1cgrolnd lead 11 at u high aa 108 ppb in drinking water

b All the oontudnanta detected in private wella downgradient of the aite need to be evaluated Wlleaa we can ccnclude with confidence

of the aite or theM oawidered u ~grourw tdch tend to dilute the real aignificance of the CXJntamlnation

2 Page 8-9t

bullmiddot Define major dt~relat~ CXJntaminant

b BadUil ~ nickel are not oawicSered to be toxic to huaana at the detected levela of CDltuinatim via the oral route of upoeuret Barba ranke the fint for ita non-carcirogenic efeecta bued m the calculation of ita toxicity axe trt concentration and toxicity infJex If we can middotuc1s bari ~ Cl1 thb ~t nne of the a-icala - to bo Hloctod for tho ovaluatlon of lncgonio eff-=ta

1 NlerS to define lal tr-ybull of detection

U If ony ucluSod fro tho ndicatolt Hot boshycuM of the ww-ilability of the intonation it llhluld be oleorly otatod

3 ~ 8-9 Olntudnanta in Boilbull and stirtabull rta trc eurfaoe u and N~wrfece eoli iiiCiUid bi ~tiiiiia Mpratelybull

bullbull ~ 8-121

bullmiddot Juatification1 for the ~Hlection of ~ ctdeala are not ecJln For ~le buiUII rankl the hi~t in toth ~ter end aurfaol water ~Uplbullbull Mercury wu ttetected in all of the Si-t auplbull and ampleo cietected in mil and ~ter ~1- ltJw can it be not HlectS beMd m ita liaitS cHatributioo at the aite

b Iaat line1 11e prooeea UM1 for the Public ltMlth Jvahbulltion in thb report amp not ~- that all _looted m pr-t at 1-la OCJn8iduS lllikely to pM eleWited riaka he ~ mty eeleeU ~ txeMfltlng a)X hUAid lriil the dte

5 IOogo 8-15o

bullmiddot 822 Aqatic Life Jndieatoc ~cal81 A table pr-eeenting OCJIIIIUilt of ~cal ~aitaw detected and the Albient Mater Qlality criteria foe the prot-=ticn of aquatic life b needed to cxrwinoe the readere that the lewla at tdch alta-related contudnanta ware auured would not be of CXIIlOttn to frethwater aquatic life ftlia atat-t aleo ltklea not corwilttnt with the UUtim prted in 86 DlIIRNINIAL MSISSHIIIIo

b A eynopeie of the toxicity profiles h needed in thia repjrt tie diacuuion Cll weight of evidence lbMn oo pS-27 can be preeented-middotmiddot 6 Page 8-161 nlble 8-5 inCiicetee that 101 eupling reaulte 00 not play

a role in the final lection of the indicator dwlnioale

-7shy

7 Plage 8-18 Although the aite ia fenced it ie not onaiderlaquoJ u a perllllln8nt NUure Aeaarnent of the potential expoeure petbfaya llaquolUld abo have to owdder the dtuaticn that the f~ being knocked over or the fence oould be reiOYed or cSuaged in the future and allow free acceaa to the contaminated areu

e It is unclear if the on-Bite aoil oontudnations are all in the a~

aurface and all the eurface 8011 contulinatiaw are in off-1ite lcxatiooe

9 Alge 8-17 83 IIBnIFICATICN CF EXPCGJRE PAIHriiYS

a It toiOUld be ut~eful to prennt a 8UIUl) table for pgttential expure paUye identified for the preeent anUticn and future onitioo

b lllo potential oxpoouro pa-yo lsontifioll In thio oubooctia1 nooll to be onaietent with thoee UMd in wbMctim 84 HJ1iN HFAllnt RISK ASSESSMINI 0

10 1logo 8-18bull

a SecxnS paragraph Contudnatiat baa peniated in uturfaoe ~dte 1011t Pllge 9-29 aleo llhowa ~on1ite IUlfaoe 11011 contudnation

b Seon1 Hnttnce of the laat paraqraph - to be Cl)ntradictory itoolf

11 fWJe 8-19 lut paragraplu If PCIe fon1 in fi~ tiuue are fran the aite Y the other ~ liated here are not ait-laquoelatlaquolt Sectiat 5 don not to provice any inaiclrt to the ~tim

12 AM)e 8-20r Table 8-1 amp not prant intonation to cxncllll5e that IUrfaoa water in theM thr water boCiiH do not oontain contudnante at lewle hi~ -ugh to PlH edverH effecU to aquatic litebull

13 Pllge 8-20 ltIJBn EJI)OUre to OJntudnated -ictntial Wll Mater

Intor-tion regarding cxIOtaJidnation ani locatiorw of the private wella in relatim to the dte ia not cxneietent ~t the nport Pbr exuple the text preeented in Section 60 RrSitiNJIAL mLS inUoatea 17 prite walla had CXllltuinante Table 6-2 preeenta data for only 10 welt ampIDl9 llllicl PW-23 ie not ~tioned in the text Section 60 aleo indicatbull that PW-15 h located directly ~a4it from the aite blt it 1e not inclueaed in wella oneicSerS to be downgraUent private welt on footrote of page s-20

14 ~ 8-21lt

a Second paragraph ne lead oblerwd in theee private wellabullbull rather my reflect typi011l badcgromCI lead lewle for the tbrth DartRolth areabullbullbullbull 1 We are unaware of the typical blc1cgrolnd lead 11 at u high aa 108 ppb in drinking water

b All the oontudnanta detected in private wella downgradient of the aite need to be evaluated Wlleaa we can ccnclude with confidence

-7shy

7 Plage 8-18 Although the aite ia fenced it ie not onaiderlaquoJ u a perllllln8nt NUure Aeaarnent of the potential expoeure petbfaya llaquolUld abo have to owdder the dtuaticn that the f~ being knocked over or the fence oould be reiOYed or cSuaged in the future and allow free acceaa to the contaminated areu

e It is unclear if the on-Bite aoil oontudnations are all in the a~

aurface and all the eurface 8011 contulinatiaw are in off-1ite lcxatiooe

9 Alge 8-17 83 IIBnIFICATICN CF EXPCGJRE PAIHriiYS

a It toiOUld be ut~eful to prennt a 8UIUl) table for pgttential expure paUye identified for the preeent anUticn and future onitioo

b lllo potential oxpoouro pa-yo lsontifioll In thio oubooctia1 nooll to be onaietent with thoee UMd in wbMctim 84 HJ1iN HFAllnt RISK ASSESSMINI 0

10 1logo 8-18bull

a SecxnS paragraph Contudnatiat baa peniated in uturfaoe ~dte 1011t Pllge 9-29 aleo llhowa ~on1ite IUlfaoe 11011 contudnation

b Seon1 Hnttnce of the laat paraqraph - to be Cl)ntradictory itoolf

11 fWJe 8-19 lut paragraplu If PCIe fon1 in fi~ tiuue are fran the aite Y the other ~ liated here are not ait-laquoelatlaquolt Sectiat 5 don not to provice any inaiclrt to the ~tim

12 AM)e 8-20r Table 8-1 amp not prant intonation to cxncllll5e that IUrfaoa water in theM thr water boCiiH do not oontain contudnante at lewle hi~ -ugh to PlH edverH effecU to aquatic litebull

13 Pllge 8-20 ltIJBn EJI)OUre to OJntudnated -ictntial Wll Mater

Intor-tion regarding cxIOtaJidnation ani locatiorw of the private wella in relatim to the dte ia not cxneietent ~t the nport Pbr exuple the text preeented in Section 60 RrSitiNJIAL mLS inUoatea 17 prite walla had CXllltuinante Table 6-2 preeenta data for only 10 welt ampIDl9 llllicl PW-23 ie not ~tioned in the text Section 60 aleo indicatbull that PW-15 h located directly ~a4it from the aite blt it 1e not inclueaed in wella oneicSerS to be downgraUent private welt on footrote of page s-20

14 ~ 8-21lt

a Second paragraph ne lead oblerwd in theee private wellabullbull rather my reflect typi011l badcgromCI lead lewle for the tbrth DartRolth areabullbullbullbull 1 We are unaware of the typical blc1cgrolnd lead 11 at u high aa 108 ppb in drinking water

b All the oontudnanta detected in private wella downgradient of the aite need to be evaluated Wlleaa we can ccnclude with confidence

-8shy

(olggtOrted orlth 11lbotantial data w infoaotion) that they are rltgtt middotr ~t=l~=r==t~~middot=-~t~iftn~middot~~~-

evaluation of the CXJntaminanta alreacy fo1lld in theM wllllmiddot

15 Page 8-23 Expure Point Ccnllntratiawt

Jf the calculatioo of a ~de an cxnoentration include -ur~U frta thoM loeetionl cxNidered to be back~ it will ftierbulltibullte the true average expowra point oonoentration

16 - 8-25bull he dilllt mo _ to ohturo of oarclnoltOIic SS au bt UW ~middot ltlweIU the aluation of the ~c coashypum con rltgtt bo- togothol unl- - ~ p_t oioilar ~c toxicity ~into

17 - 8-26bull We OboJl4 clarify that oortaintibull ~ed hero aro potty -ic in noture w - ~PlY to all tho dolt - w rltgtt juottypice1 foe tldo opocific oito Y oortaintibull derived mo oitoshyopocfic cl_ llllould ol80 bo di- at tho end of tho

c1-1on for thia rilk -middot

18- 8-27bull

a I 4iaogrM onth tho aontontion that loxioologicel ampota emx io prcbob1Y tho Jar9o0t oouroa of oortainty in tldo dolt - bull lhio -tainy io imorito4 in dolt - of oioW noturo

b Micolo -oph con bo ~ alonl with tho toxicity profiloo (for to OOOMnt t5b)

c nlete the paragralh lltarting f~ all of thMe inUviclal errorebullbullbull

19 AM)e 8-32 Tabla amp-81

bullmiddot We haw to deter1lint the -t r-onlbla Pionl to be UMd in tldo rlllllt - an4 tho - tiono ((gtt that of tho _ oonoantration) llllould bo UOOltI foe both tho middotmiddot-ago_bull an4 tho p~lb1e --_ Qthorwoe tho tiao for the plauiblll n-~middot will ~ to an lrLreallltic _ttOOe

bmiddot I u Dlt aura if we can - that t of wlamptilbull ~ tlrCIUIIl tho oltin io nogligib1o

20 bull 9 8-33bull -ion rate of 3~ (YO 35-SOt) mo OI -ption an4 1 (YO 1-15) via doroal-rption are oxbull

21 9 8-34 aicolbull paragraphbull

bullmiddot Approxilllltely 30 would volatilire fro~~ oila ~to the akinbullbullbull bull ProYicSe refernoe tf thia la true 7ot of the 01ipoundIIis in 8011 will be abeOEbed eince the elJIC)rption rata of volatilM tllcOUtl1 Pin ia probablY 100 ~ ia it appropriate to use the wording of

bulledocgtrbedmiddot

-9shy

b If ltlonol -rptial of VOCa of VOCo Ia not 0a10icerod further in thio riak aaaesalft8rlt the dale will be wderbulltimated Ihh area of unshycertainty needs to be dicu~Hd

22 Page 8-35bull

bullmiddot Second linebull lfty V Ia 0 for other ocopounolo

b Rlgarding u8IJilllonebull refer to cx-1U tl9 and 20

23 Plgu 8-36 to 8-38bull

a It b not clear if the riM bulltibulltbull npremt thoM fro amplrMl abeorption or oil incJNtlcn laquo both We al8o have to indicate that Office of kinking water cto not ca-lcier arUc M a carclroJin via oral IBootioo in Ita ~ of a IClD fix clrlnkinJ tor

b Pogo 8-38 footnote c for Dible 8-10bull ~th Mvioolty io shyen the calollation of a RfD FltX lMd am ia celo1lat5 bued on the cxwiiSaration of the xe ltiw plpllatioo

24 Pogo 8-36 843 IllliIMICII or vaAIIlZ aHOlJil6 - PIOI CIHIIIE aollBbulla ~

bullmiddot Inhalaticn of oontudMntl (ie inrxgwdCI PC31 phthalatbull) in putlculatbull ia not CDWidelW5 in thil ~middot If w baw no lntrtlon to ~tify thil riM it thcW4 be incl ldld in the dishyoaaion for lKIQCtampinty of the dllk bulltlate

b that are the on-alta u~raquourfac oil ~aita11 UM1 for tbt -oolculatioo

c I u unable to ~ton the auullflllillonl an aotela -1 in the calculation of the taibulllon rat an CXIlQintntion of volatilbull at the diMrlrlnS locatiCJrWbull ltJWeV the ~ta lhMl in nlbla 8-12 for tho -iatod clconltird ltXIXtratioo - _ly higt in lilgtt of tho facta that thiH ctgtaicala oro 3 f- tho -rfaco ooil (pB-36 loot para ) onl tho rooopton 150 yd- frooo the eouroe Alo ~t are the 41ffer-oee in the ~lana uee1 for bullaveragebull and bullplaulble n-bull

d fte aJIlOirltramption Mtlbulltbull JCeeents here are alao in great dicrepencywith thDo p-od in Soctioo 70 AIR llMSIIGMICII (Ngtlo 7-2) If the field ~todng data are awilablagt w llhoUl4 UM U for riX bulltiate an1 not pn~ferentially rely on the dell

25 Plge 8-48o loollqgttiall ohculd bo tho - ucopt that of tho upoouroClQnOintration for both bullaverage Up)Wlbullbull erd bullplaueible bullxishyexpoeurebull

26 Page 8-49o

a kcidental ingeetion of aurfaot water need~ to be oonaidar- in the

u ment

I I I I

Jill - 1 II I

rrtl (

IfJfl f~l l

I

-1()shy

b ~~~~middot~~ ~3~~ middot =middot=ed---tho ot e1 (1984) iho report by Brown ot al cooe ngtt provide _ ampto It ia a revi~ article and not a original 1bld

27 Page B-48bull 11at are the atorpti~ ratbull uaumecS for cSemal contact with organica and norganico In ourfaoo tor

28 ~ 8-51bull If the calclletS upecure 1e laMr than the refer~ ampraquo~tho upoouro OCgtU4 ngtt (ngtt juot lagtlllco1y) expect to oauoo - offocto -- shy

29 ~ 8-51 to 8-58 845 IlfWATIQI OP IKLTWISoMQID- shynDI Sl1RfACE ~middotmiddot ~ta are 1iailar u tbraquoe in ~t t24c ~ tMd I u ngtt oortaln If tho -ptlcno and ~ oro roucnob]o and the calculatiorw are accurate In lldditlon if we haw air arltodng data in the vicinity Mhy dont we UN the Prical data bwtead of the calOllotl cnoo

30 ~ 8-59 and IHOa

a Rllfer to ~ tlO llb and 12 flaquo acticm 5

b nblo 8-21 lo olocot ~gttical to nblo 5-9 peopt that of tho -- body ~t Ill)

c In thia rillk --t report we lhalld refrain ourbulll fro~~ -lng rlok _t doclolon rogardlng oocoptablllty of tho rlok 11

31 ~Hila

bullmiddot Doloto tho loot _ of tho tqgt porograph ihlo doclolon bolongo to rlok _t

b 8 51 DDSTIQf at CN ~lIB ~~ If ~ are fotn1 in thl gronMter we llhould inclldl thla in the riM -tibulltbull ainoe grourdletor OCgtU4 ngtt bo filter blfolto ~on

32 ~middot 1Hi2 and Hila

a Olongo ICg to and bo oonalo- In uolng 1110 lnotoed of JKL

b It 1e illlplOplr to ccnclude that cxntudnante at the Re-ampllve dte wculd praquoe a~aJ rte~tbull ~ the -n cxnettratiaw

--middot tho~middot c Elq)lanatim of daka of 1o-2 an4 1o-lbull ia ~ we can not ~

that everydbody unSentande What 4o theM ftllllbera Nanmiddot

33 PBge 8-67 Rialt Eltillatiau

tnSer potential eite developnent cont51tiONI we CXJrWider young chllM u the potential receptorbull and the -t aignifioant uposure route il aoll ngootion iho calculation foe a 70 kg oampgtlt thrOrl cSerao1 oontact and ooll lngootlon lo lrro10Y01lt peopt tor ~ gardonoro bull

I -11shy

34 llogoo 8-68 and 8-69bull

ftraquot of the aaurptiCJIW prted in ~ble 8-25 are inappropriate aJld reeulte ahown in Table 8-26 nMd to be revi~ aooorcUngly

35 Algeo 8-75 to B-77bull

a thcertaintibull illCXraquopJrated in the riP ~t for thia ll=ific aite neer1 to be elalorated in the oonclueion Jbraquoe outlined in Section 841 are g~nerie in nature

b thla riP -rt amplee not cxxwidar thl ~c effectbull ~ aueinogono bull

Co Prmation of the riP MtiaU al8o nMd to incldt ~iate dilon and up]Anatlon to - U - -ungtu

d ltgain referring thl PCB oncttratiaW cibMrw1 1n the fi~ tt froa Dgttadng- u ~ lAIIoolo lo nat_

0

-9shy

b If ltlonol -rptial of VOCa of VOCo Ia not 0a10icerod further in thio riak aaaesalft8rlt the dale will be wderbulltimated Ihh area of unshycertainty needs to be dicu~Hd

22 Page 8-35bull

bullmiddot Second linebull lfty V Ia 0 for other ocopounolo

b Rlgarding u8IJilllonebull refer to cx-1U tl9 and 20

23 Plgu 8-36 to 8-38bull

a It b not clear if the riM bulltibulltbull npremt thoM fro amplrMl abeorption or oil incJNtlcn laquo both We al8o have to indicate that Office of kinking water cto not ca-lcier arUc M a carclroJin via oral IBootioo in Ita ~ of a IClD fix clrlnkinJ tor

b Pogo 8-38 footnote c for Dible 8-10bull ~th Mvioolty io shyen the calollation of a RfD FltX lMd am ia celo1lat5 bued on the cxwiiSaration of the xe ltiw plpllatioo

24 Pogo 8-36 843 IllliIMICII or vaAIIlZ aHOlJil6 - PIOI CIHIIIE aollBbulla ~

bullmiddot Inhalaticn of oontudMntl (ie inrxgwdCI PC31 phthalatbull) in putlculatbull ia not CDWidelW5 in thil ~middot If w baw no lntrtlon to ~tify thil riM it thcW4 be incl ldld in the dishyoaaion for lKIQCtampinty of the dllk bulltlate

b that are the on-alta u~raquourfac oil ~aita11 UM1 for tbt -oolculatioo

c I u unable to ~ton the auullflllillonl an aotela -1 in the calculation of the taibulllon rat an CXIlQintntion of volatilbull at the diMrlrlnS locatiCJrWbull ltJWeV the ~ta lhMl in nlbla 8-12 for tho -iatod clconltird ltXIXtratioo - _ly higt in lilgtt of tho facta that thiH ctgtaicala oro 3 f- tho -rfaco ooil (pB-36 loot para ) onl tho rooopton 150 yd- frooo the eouroe Alo ~t are the 41ffer-oee in the ~lana uee1 for bullaveragebull and bullplaulble n-bull

d fte aJIlOirltramption Mtlbulltbull JCeeents here are alao in great dicrepencywith thDo p-od in Soctioo 70 AIR llMSIIGMICII (Ngtlo 7-2) If the field ~todng data are awilablagt w llhoUl4 UM U for riX bulltiate an1 not pn~ferentially rely on the dell

25 Plge 8-48o loollqgttiall ohculd bo tho - ucopt that of tho upoouroClQnOintration for both bullaverage Up)Wlbullbull erd bullplaueible bullxishyexpoeurebull

26 Page 8-49o

a kcidental ingeetion of aurfaot water need~ to be oonaidar- in the

u ment

I I I I

Jill - 1 II I

rrtl (

IfJfl f~l l

I

-1()shy

b ~~~~middot~~ ~3~~ middot =middot=ed---tho ot e1 (1984) iho report by Brown ot al cooe ngtt provide _ ampto It ia a revi~ article and not a original 1bld

27 Page B-48bull 11at are the atorpti~ ratbull uaumecS for cSemal contact with organica and norganico In ourfaoo tor

28 ~ 8-51bull If the calclletS upecure 1e laMr than the refer~ ampraquo~tho upoouro OCgtU4 ngtt (ngtt juot lagtlllco1y) expect to oauoo - offocto -- shy

29 ~ 8-51 to 8-58 845 IlfWATIQI OP IKLTWISoMQID- shynDI Sl1RfACE ~middotmiddot ~ta are 1iailar u tbraquoe in ~t t24c ~ tMd I u ngtt oortaln If tho -ptlcno and ~ oro roucnob]o and the calculatiorw are accurate In lldditlon if we haw air arltodng data in the vicinity Mhy dont we UN the Prical data bwtead of the calOllotl cnoo

30 ~ 8-59 and IHOa

a Rllfer to ~ tlO llb and 12 flaquo acticm 5

b nblo 8-21 lo olocot ~gttical to nblo 5-9 peopt that of tho -- body ~t Ill)

c In thia rillk --t report we lhalld refrain ourbulll fro~~ -lng rlok _t doclolon rogardlng oocoptablllty of tho rlok 11

31 ~Hila

bullmiddot Doloto tho loot _ of tho tqgt porograph ihlo doclolon bolongo to rlok _t

b 8 51 DDSTIQf at CN ~lIB ~~ If ~ are fotn1 in thl gronMter we llhould inclldl thla in the riM -tibulltbull ainoe grourdletor OCgtU4 ngtt bo filter blfolto ~on

32 ~middot 1Hi2 and Hila

a Olongo ICg to and bo oonalo- In uolng 1110 lnotoed of JKL

b It 1e illlplOplr to ccnclude that cxntudnante at the Re-ampllve dte wculd praquoe a~aJ rte~tbull ~ the -n cxnettratiaw

--middot tho~middot c Elq)lanatim of daka of 1o-2 an4 1o-lbull ia ~ we can not ~

that everydbody unSentande What 4o theM ftllllbera Nanmiddot

33 PBge 8-67 Rialt Eltillatiau

tnSer potential eite developnent cont51tiONI we CXJrWider young chllM u the potential receptorbull and the -t aignifioant uposure route il aoll ngootion iho calculation foe a 70 kg oampgtlt thrOrl cSerao1 oontact and ooll lngootlon lo lrro10Y01lt peopt tor ~ gardonoro bull

I -11shy

34 llogoo 8-68 and 8-69bull

ftraquot of the aaurptiCJIW prted in ~ble 8-25 are inappropriate aJld reeulte ahown in Table 8-26 nMd to be revi~ aooorcUngly

35 Algeo 8-75 to B-77bull

a thcertaintibull illCXraquopJrated in the riP ~t for thia ll=ific aite neer1 to be elalorated in the oonclueion Jbraquoe outlined in Section 841 are g~nerie in nature

b thla riP -rt amplee not cxxwidar thl ~c effectbull ~ aueinogono bull

Co Prmation of the riP MtiaU al8o nMd to incldt ~iate dilon and up]Anatlon to - U - -ungtu

d ltgain referring thl PCB oncttratiaW cibMrw1 1n the fi~ tt froa Dgttadng- u ~ lAIIoolo lo nat_

0

-1()shy

b ~~~~middot~~ ~3~~ middot =middot=ed---tho ot e1 (1984) iho report by Brown ot al cooe ngtt provide _ ampto It ia a revi~ article and not a original 1bld

27 Page B-48bull 11at are the atorpti~ ratbull uaumecS for cSemal contact with organica and norganico In ourfaoo tor

28 ~ 8-51bull If the calclletS upecure 1e laMr than the refer~ ampraquo~tho upoouro OCgtU4 ngtt (ngtt juot lagtlllco1y) expect to oauoo - offocto -- shy

29 ~ 8-51 to 8-58 845 IlfWATIQI OP IKLTWISoMQID- shynDI Sl1RfACE ~middotmiddot ~ta are 1iailar u tbraquoe in ~t t24c ~ tMd I u ngtt oortaln If tho -ptlcno and ~ oro roucnob]o and the calculatiorw are accurate In lldditlon if we haw air arltodng data in the vicinity Mhy dont we UN the Prical data bwtead of the calOllotl cnoo

30 ~ 8-59 and IHOa

a Rllfer to ~ tlO llb and 12 flaquo acticm 5

b nblo 8-21 lo olocot ~gttical to nblo 5-9 peopt that of tho -- body ~t Ill)

c In thia rillk --t report we lhalld refrain ourbulll fro~~ -lng rlok _t doclolon rogardlng oocoptablllty of tho rlok 11

31 ~Hila

bullmiddot Doloto tho loot _ of tho tqgt porograph ihlo doclolon bolongo to rlok _t

b 8 51 DDSTIQf at CN ~lIB ~~ If ~ are fotn1 in thl gronMter we llhould inclldl thla in the riM -tibulltbull ainoe grourdletor OCgtU4 ngtt bo filter blfolto ~on

32 ~middot 1Hi2 and Hila

a Olongo ICg to and bo oonalo- In uolng 1110 lnotoed of JKL

b It 1e illlplOplr to ccnclude that cxntudnante at the Re-ampllve dte wculd praquoe a~aJ rte~tbull ~ the -n cxnettratiaw

--middot tho~middot c Elq)lanatim of daka of 1o-2 an4 1o-lbull ia ~ we can not ~

that everydbody unSentande What 4o theM ftllllbera Nanmiddot

33 PBge 8-67 Rialt Eltillatiau

tnSer potential eite developnent cont51tiONI we CXJrWider young chllM u the potential receptorbull and the -t aignifioant uposure route il aoll ngootion iho calculation foe a 70 kg oampgtlt thrOrl cSerao1 oontact and ooll lngootlon lo lrro10Y01lt peopt tor ~ gardonoro bull

I -11shy

34 llogoo 8-68 and 8-69bull

ftraquot of the aaurptiCJIW prted in ~ble 8-25 are inappropriate aJld reeulte ahown in Table 8-26 nMd to be revi~ aooorcUngly

35 Algeo 8-75 to B-77bull

a thcertaintibull illCXraquopJrated in the riP ~t for thia ll=ific aite neer1 to be elalorated in the oonclueion Jbraquoe outlined in Section 841 are g~nerie in nature

b thla riP -rt amplee not cxxwidar thl ~c effectbull ~ aueinogono bull

Co Prmation of the riP MtiaU al8o nMd to incldt ~iate dilon and up]Anatlon to - U - -ungtu

d ltgain referring thl PCB oncttratiaW cibMrw1 1n the fi~ tt froa Dgttadng- u ~ lAIIoolo lo nat_

0

I -11shy

34 llogoo 8-68 and 8-69bull

ftraquot of the aaurptiCJIW prted in ~ble 8-25 are inappropriate aJld reeulte ahown in Table 8-26 nMd to be revi~ aooorcUngly

35 Algeo 8-75 to B-77bull

a thcertaintibull illCXraquopJrated in the riP ~t for thia ll=ific aite neer1 to be elalorated in the oonclueion Jbraquoe outlined in Section 841 are g~nerie in nature

b thla riP -rt amplee not cxxwidar thl ~c effectbull ~ aueinogono bull

Co Prmation of the riP MtiaU al8o nMd to incldt ~iate dilon and up]Anatlon to - U - -ungtu

d ltgain referring thl PCB oncttratiaW cibMrw1 1n the fi~ tt froa Dgttadng- u ~ lAIIoolo lo nat_

0