I I I I

UNITeD 6UTES EMVUOMMEMTAL PliOTCTlON AGENC~ ~EGlON 1

MEMOAANDUM

DATIbull December U U86

orohnical Cmenta on the Pteliainary Dlaft ReJMdial tbullwaatigatioft for the a-solve tftc lite

8U8Ja

middot-middot Stephen T Joyce alii bullf W bull-solve Inc lite ~ JIJ shy

TOI aichard Cote CDM ~ojeet Orfloer

Attached you wUl find c~nta frbull IPAa Project Develos-tnt Ta- (PDT) on the PraUbulllnary IRaft Sial Jnvaetlgatlon (at) bullpoet I have carefully raviawd all ~ata and bullbullcapt for a raw alnCX dataUa 1 agree with what tM teaa -ra have atated All 1ydrogeology and aurface water o~nta aftd all andanarbullnt bullbullbullbullbull-nt c~ftta wra raviawd fOI conalatancy by Devid l-ang and Ially ldwarda ra8pectlvtly bull

Thera ie a apeclflc raaaon why I didnt conaolidata all

=~tbullth~o~ruumiddot th rtrornoern tMir c~nta In addition aany of the ta bullbullbera arbull frCM~ aanclae other than IPA and are accountable to coshyworkerbull who y have ccentttd on the docbullent fw theabull reaaona 1 bullbull raqueatln that you develop e declaion docUIMnt ecpriHd of CDMI reeponae to each indlvlduala cc-entlbull 1hia docYM~nt will be diatributad to each teabull Maber o that they ean undarltand how their coafttl COIItributed to the revllion of the draft at Thh elao wUl be part of the edbulliftlltrative record for the --solve lite

1 have eopletttd 1 technical review of the draft at al4 abull aatlaUed with the qvallty of work The ~fttl 1 u providing include all c~nta frca IPAa Office or bullvtonal CounMl and are tn addttton to any eOManta pr-ovtded to bullbull by the Projeot Dlvelo~nt -rtbullmiddot 10 lntrocluetlon 1middot1 ~~= ~middot=-~bull1 P~~~~o r~ebulluo~il

Und a copy of the M-Bolva SMP dated May 23 1916

f

(~middotmiddot1

-z-

Pleaae review the aectlona entitle bullaackgro~nctbull and bullstatui of atMdlal Jctlonbull to ~tore fully under~~ttlnd the link between thia docu~t~ant and the Pabruary 1985 Off-oltl Rt

Seondly the PI ta not a aupplaMnt but 1 COIIPflhanaiva bull

u~rtrS~ dttr~~=~n~~lnation fM PI will bullbulleluate alterftatlbullbullbull on the baaia of (l) alfacttveneaa tn ptotectlng public healthJ (2) uMbullbull ( 3) perMnance and r (c) coet effecUvaaeaa

1-1 Paragraph 4 lbullpanG tile cleacrlptlon Ortile OH-olta RIP8 It ohov1d be -middot clau tllat a floel draft offshyalta at -1atad In buuy 1115 ano that thlbull at la a euppleMnt to it vtav lang- in IMP fer e1u U lcatlon

1-t Under aourcaa of data you ahould cite the ItPI date of June 30 1983 not the prallaiury draft

1-t Paragraph 4 In the -teat aentenca it ahould be COpiout River

1-10 t do not undaratand tha rationale for placing the tnatttuttonal quirebullnta Mction in the introduction Jt aeebullbull bullorbull appropriate to create a MW MOtion (leotion 91 for thh evllject

~though we diacuaaed thia aubjeet at length there ta no aention of I 121 of ampAAA Under lARA IPA la require4

~at~ htt~~~-1fe~i~i~bullbull lARA AMndl the tiCP and tha IPA guidance docuent entitled CERCI~ copllance with other lnviroruHntal amptatutee to include State atandarda aa applicable or releyenant and appropr-iate Plaaea include a diacuaaion of 1 121 of IDA in the tat preceding the Tabla of ARARa

Ky cc-ntl on the lnflaquoaation pranted in the AltAR table h included aa prt of 11a90i1 L8ahena c~nta

30 Haampardoua subeunce tnbulleatioatiOft

1 Paragraph J Delete bull(to be included)bull at the and of the paugreph

Js tnoroaftlc copoulldl ctlon Why ta the laat eenteftce refarlftCing Table J-1 located Mre Jt aaea1 wore approprhte for thia table to be referenced in eectlon 122 lwteftt of COfttaainatlonbull and located after page Jshy12 arMS before rigure 3bull1

I I I I

IIJill ~middotr~~

f

(~middotmiddot1

-z-

Pleaae review the aectlona entitle bullaackgro~nctbull and bullstatui of atMdlal Jctlonbull to ~tore fully under~~ttlnd the link between thia docu~t~ant and the Pabruary 1985 Off-oltl Rt

Seondly the PI ta not a aupplaMnt but 1 COIIPflhanaiva bull

u~rtrS~ dttr~~=~n~~lnation fM PI will bullbulleluate alterftatlbullbullbull on the baaia of (l) alfacttveneaa tn ptotectlng public healthJ (2) uMbullbull ( 3) perMnance and r (c) coet effecUvaaeaa

1-1 Paragraph 4 lbullpanG tile cleacrlptlon Ortile OH-olta RIP8 It ohov1d be -middot clau tllat a floel draft offshyalta at -1atad In buuy 1115 ano that thlbull at la a euppleMnt to it vtav lang- in IMP fer e1u U lcatlon

1-t Under aourcaa of data you ahould cite the ItPI date of June 30 1983 not the prallaiury draft

1-t Paragraph 4 In the -teat aentenca it ahould be COpiout River

1-10 t do not undaratand tha rationale for placing the tnatttuttonal quirebullnta Mction in the introduction Jt aeebullbull bullorbull appropriate to create a MW MOtion (leotion 91 for thh evllject

~though we diacuaaed thia aubjeet at length there ta no aention of I 121 of ampAAA Under lARA IPA la require4

~at~ htt~~~-1fe~i~i~bullbull lARA AMndl the tiCP and tha IPA guidance docuent entitled CERCI~ copllance with other lnviroruHntal amptatutee to include State atandarda aa applicable or releyenant and appropr-iate Plaaea include a diacuaaion of 1 121 of IDA in the tat preceding the Tabla of ARARa

Ky cc-ntl on the lnflaquoaation pranted in the AltAR table h included aa prt of 11a90i1 L8ahena c~nta

30 Haampardoua subeunce tnbulleatioatiOft

1 Paragraph J Delete bull(to be included)bull at the and of the paugreph

Js tnoroaftlc copoulldl ctlon Why ta the laat eenteftce refarlftCing Table J-1 located Mre Jt aaea1 wore approprhte for thia table to be referenced in eectlon 122 lwteftt of COfttaainatlonbull and located after page Jshy12 arMS before rigure 3bull1

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IIJill ~middotr~~

-J-

Table l-1 Total PCBa and Totl VolltUaa an praaantad in parte

~middot~h~l~~l~ ~~~t~-~=dor~middot~ =~===~td r~ _ppmbull In Appandh A4 Soll amporahola Croaa-8actlona

~hut1~h~bull0r~ t~P~talbull~ conelatent lbulllS Total YolatUa Organicbull

ln reoarda to the ttataent bullfha data lhowl that the TVO contaatnatlon in aoU bullbullbull Hatted lrt depth to tba level of groundwater at an approampillata alavatiOft of bullbull t tbull thia atatbullant la vary aablg~a Bla thchaQht rov ra trytno to convey lant clear to u tlaaaa clarttr

a Do yotl Man TVO contulnation gt SO ps-

b tn 88-20 as 2SM 2SW and 2111 TVO continatlon wea datactad at concantratiOftl gt SO ppa at dapthabelow elevation 14 rtaura l-l aupporta thla lnfomatton

rtoura JbullJ ahowa the anal astaftt of corttaaiftatlon for TVO contulnatlon gt 50 PPIbull It would bo helpful to bullbullbull the areal e~rtent of TYO contamination gt 10 ppa aa wall aa the total voluae Pleaae -nd to include the appropriate diacuaeion and graphice bull

poundCJ Aa reauaated lor tvo contlllliftation deteraine the areal eatant and totel volYM of PCamp oontaaination in 110il gt ~rPr tk=i~~o~t~ Ut~twt-ri in the unaaturatad 1one Plbullbullbullbull aMnd the draft at to iftcludl the appropriate dlacuaaion aftd graphica

CaHnt for both tvO and PCB

J raCCN~~nd you include a aorbull detailed dlacuaaion on

~nOt~t~1e0c~ti1c~ a llfta dallftaatlna the vertical aataftt of TYO and PCI contaa1nat1on in aou croaa-aectlona ahould al110 be included to in~Hcate the Ubulllta of contbull1nat1on gt 50 ppm and 10 PPmiddot Jn addition include the hydrollc bead elevation on each croaa-aactlon You can darha hia information froJII hhtorlcal data frOIII bullonitoring bulllla andor obeervatlon wallbull located on alta You Y call me tor further c larification on thla COIItlnt

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-middotshy40 HydrOleOlOQiC lnvebulltigation

4-l Pirat paracrnph The flnt iftvaatination a pralbnlnary 1tlfS which val coaplatad on June 30 1983

Surface Water and Wtlanda Iftvaatioationso S-2 Ift your convaraation with the Pall ltivar filtration

Plant operator did he indicate where the daft 11 located If not where la it locat-1

Tabla 5-J Station llo JOJ (watlaad Diluatl-eot lnoludad5-u-5-17 rabla 5-4 Analytloal roaulta fltbull n-JOJ UUtaltad and

unUltaltadl era ahalna fltOa Tabla 5-4

Table 5-5 Cllbullloal anelyale data folt aw-JOJ alulna rroa Tabla t-5

5-U

Tabla 5-5 What wae the dataaaaaon that each a-pllft9 round waa conducted during ltll aftd 191t

cond and third peragraph 111 lU ra aloat clean IW-115 waa claaft Could oontaaiftatlon datactad in IW-116 ba attributed to bullanother 110uroabull

5-21

Do you baUava that PC81 will cofttinua to be tranaportad via aadibullnt pathwaya down the CDpicut Riftr lhlnla Ialand Jtlver and eventuall) into MaQUochoka ampke7

5-25

Ttllrd paracraph Do you feel that PCB contuinated aoU t~~~t fcr=~~ed frca the aitt to the

s-u

5-46 ~tiio~o~middot~~~middot ata0~ct~s ~~t

flow -odulatlon7 Do you already habulle thil info~tion but M9ltcttd to include it in the draft at7 ta thil bull Ott frcgt11 the wetlanda bullbullbullbullbull-nt peraon to your hydroveol- otaU7

h thla hat atatnt auPQOrttcl by the riak bullbullbullbullbull-nt75-u

60 Reaidential Wlla

General _nd thla aectioft to ir~~olude the lelulta of the analyale perfoned on the Eeaidefttial wlla _ PW-25 PW-26 PW-Z9 PW-JO _U and IWbullSO aapled on Novenbtr 18 1116 All tablea ehould alao be rebulllatd to lneludt the nev lnfonaatloft Raatd upon thll nw lnforation be Wlort concluaive in your dlacuaaion of tltlt wella

I I I I

-middotshy40 HydrOleOlOQiC lnvebulltigation

4-l Pirat paracrnph The flnt iftvaatination a pralbnlnary 1tlfS which val coaplatad on June 30 1983

Surface Water and Wtlanda Iftvaatioationso S-2 Ift your convaraation with the Pall ltivar filtration

Plant operator did he indicate where the daft 11 located If not where la it locat-1

Tabla 5-J Station llo JOJ (watlaad Diluatl-eot lnoludad5-u-5-17 rabla 5-4 Analytloal roaulta fltbull n-JOJ UUtaltad and

unUltaltadl era ahalna fltOa Tabla 5-4

Table 5-5 Cllbullloal anelyale data folt aw-JOJ alulna rroa Tabla t-5

5-U

Tabla 5-5 What wae the dataaaaaon that each a-pllft9 round waa conducted during ltll aftd 191t

cond and third peragraph 111 lU ra aloat clean IW-115 waa claaft Could oontaaiftatlon datactad in IW-116 ba attributed to bullanother 110uroabull

5-21

Do you baUava that PC81 will cofttinua to be tranaportad via aadibullnt pathwaya down the CDpicut Riftr lhlnla Ialand Jtlver and eventuall) into MaQUochoka ampke7

5-25

Ttllrd paracraph Do you feel that PCB contuinated aoU t~~~t fcr=~~ed frca the aitt to the

s-u

5-46 ~tiio~o~middot~~~middot ata0~ct~s ~~t

flow -odulatlon7 Do you already habulle thil info~tion but M9ltcttd to include it in the draft at7 ta thil bull Ott frcgt11 the wetlanda bullbullbullbullbull-nt peraon to your hydroveol- otaU7

h thla hat atatnt auPQOrttcl by the riak bullbullbullbullbull-nt75-u

60 Reaidential Wlla

General _nd thla aectioft to ir~~olude the lelulta of the analyale perfoned on the Eeaidefttial wlla _ PW-25 PW-26 PW-Z9 PW-JO _U and IWbullSO aapled on Novenbtr 18 1116 All tablea ehould alao be rebulllatd to lneludt the nev lnfonaatloft Raatd upon thll nw lnforation be Wlort concluaive in your dlacuaaion of tltlt wella

-~-

j 6-3 Paragraph a Plbullbullbullbull make the exallple uaed to clarifyhow overburden velh ere Plore auaoeptible to aurfece apUla 11ore general in nature While H Brickle and I were reaan~plinq reaidentlal vella on November 18 1186 WUU111 Croteau brother of the owner of the 111to aelvage yard accuaed hie brother of beino reaponeible for contatlinatino hie 11 here 11 obvioua ani11101lty between the two and t would rather not add fuel to the fire

1-t Paragraph 2 IAad waa not detected 1ft PW-01 when it VAl eaapled during the Off-aite ampt bull IIlli iaforutioR ahould be provided when diacuadno the reaulta frbull

~~middot~~t~~middot~~~1w1~~1np~tbullt onoenshytration of 108 ppb lead waa uftdetected in the Off-alte Ill eupllng round

1bull7 Paragraph a I IICCgtWalnd that you kl Mfttion of IbullAI propoood IICLC or 20 ppbo ror lood ftlo purpooo of bullentioning the propoaed MCLG ia to aake the public aware of the aeriouanbullbullbull of teed in drinking water I 4o not rec~nd that you adopt the atandard in your diaouealon nor uaa it for CIOIIPirilon purpoaea t feat that until 20 ppb ia adopted we ehould continue to UN SO ppt 11 the atandard

1-1 r~~n ibullcl~ s0t~ut~i~1middottig~o ~~~ducted dichloroethane detected in the firat round originatedfr0111 the alta b) Wal phenol detected in PW-15 during the Off-aitl RU c) 11 Di - n-octyphthalata praaent ln high enough eoncentratiofta on-alta to ttrat aolubtltaa in groundwater and HCOnd not bl diluted to undetectable levela in groundwatrmiddot bullbull it travala over 3900 feat

_ bullmiddot) Paragraph 2 Lead waa undetected in fW-01 in the ou-otu ax

b) Paragraph 3 What ia the eotl 110rptioft coefficient

~~n~~~oc~~etirler~~middot~rmiddot=t etta contaainated bedrock fracture Dgt YOI aean that both walla are aituatad in tha liM fracture aau tha local and regional flow t~~Guld cauaa diecharoe to tha Copicut and Cornall Pond it ia unlikely that the laolated rllftOtl areabull of contatdnatton are related to the atte Plaaae delate reference

I I

I ru fill I --3middotmiddotmiddot (rrbull bull II

nshy

attached

1-U ParaQrampph 4 The propoeed MCL for 12-dlchloroethane 11 S ppb Ull thla for compar laon rether than the MCLO of ampero ( Thl1 cOftlllent il allo relevant for benampene PAa propoaed ICL for blnaene h s ppb)

Paragraph s rou 1tate that contulnatlon in wella PWshy

~ta~ 1~-~ ntl~nd~etOT~t ~cbullbullmiddot contaaination i1 linked to the aite Can you be IIQre definitive

1 do not recall any localhed aource eonfdtba0 with nitroocUphenyluine lut 1 do recall that n-nitrONdishyphlnylaaiM wa1 deteetH in Oft-aitbull 110ll boriGGI tbat were conducte4 within the week that N-SO wae ooapled Do you think that thla onplo (PII-50) aay hoYo been cro11 contaalnated

bull-u lf you ere going to link the contbullinatlon 1n eoae of the reaidential wella to bull1ocalhedl eOUirceebull then further diecu11ion on theae 1ource1 i1 needed lapand your diacu1elon throughout thie aection where neceeaary

bullmiddot17 Paragraph 2 IPA hal propoeed IICLa for 12 dichloroethane and benaene I)) not Ull the IICLGa middotfor th11e ooapounda

Concluaion

11e lead concentration found in theee water eaaplebull are above the aexi~na aolubiUty levbulllbull eapected in natural vatera lecauee theabull a-plea were unfiltered the lead valutl aay be an artifact of HdliMnt deeorbtion following flold ooldlflcotlon

secondly the concentretiOft fOWldl in the naidlntial welll are in tbl range of thou eapectldl frbull lead

=~=f~n bull ~~~a ~middoti~= thour reeidlntial welle

ID Public llalth aluatloft

lt llwaan llalth Indicator Compouftde l aaggeat you reorganiae thh aection into Inogranica and Organiaa lt ia goint~ to be neceaeary to re1a11ple on-aitl welle (approxiaately 10) field r Uter all aaaplea ampftd analyae for heavyMtala With the eahting data bampHt there ia uncertainty whither the inoroenice are in the water colWftft or to the aediMnte and lltObilhed by IampJiple acldUicbulltlon

areaa the cooling

located

akaptioal of the to da-elop

taken two feat below

in aurficial eoUa ualeg available

to

average value

lt 11 -ora

a) tpact Aallllftlent

70 year

ia froaan

I I I I

__ =t~l

~f~a-15 Paraoraph z t do not aoree ~~tith your atateunt that 1the unnartd tributary il not a auiteb1e habitat for aquatic life 1ntarittant flow in thil tributary for a l tl(I0

h ~~0d~~ =~=~~ ~~ct~tf~erd~n~~her I tan aontha

a-1 1 Paragraph l The ujor aource1 ware ram~diatad durino the aource reaoval action conducted in 1914 and 1115 bull aidual conteaination ia atill prevalent in the of the alta where the four unlinec lagoone water pond and the oil apreadlng area ware once

1-21 bullbullrorbullph a Pllbull21 oonulned au ppb of hbulld middot

1-21 l~tpolure Point Concantrationa - a) 1 u on-alta and off-lite aoU contuinant data uHd lllpolurl point concantratiOnl 8B-t7 141 and 81-41a

were conducted bullbull part of the aoU boring prooraa to deta~Wine the vertical eamptent of contaaination onaite At a 11iniaua the Urat 1upla waa the ground aurface aftd tharaforathe reaultl of the

tl~ ni~a~~~1t ~~f~~~~~~ xfnbart wee aaeured that COM could derive the average concentration of PCB I inforaation Thil data waa to be given to tcr-Clabullnt 10 that the doaea and ri1k1 aaaociatad vith eapoaure PCBa could be calculated 1 raca-end you re-do the rhk aati111at1on for on alta aoU1 uaiftQ an for PCB contamination in aurfichl 10111

b) At what -pth ware 10U auplaa 901 and tOZ taken

1-21 Tbullblo 1-1 Did you bullbullbull the flrot -llftO point frooo each aoil boring or all of the IMPliftQ pointe to derive the aoneentration rangaa Uata4 in Tabla 1-1

8-32 Table e-a I dlooor oltll the froquoncr of oonuct under the Plauaibla lladbullubull lapoeura I feel raalhtic to aaaUJH )5-40 tlMIyaar

1-16 Inhalation of YOCI llllaHd fra Oft-litl 8oilebull lifer to the cOIIJMnt by Jon Jlollack ~aa us IPA on the air dleperaion aoctel

~) All you aiiUftiftO tinuou1 ralaaee over a period of tiM COntlnuoue nlaaabull of vocbulla ia not p1auelble et thia elta baeeubullbull tha orouftd andor covered with enobull tor J bullontha of the yair

Analytloal raaulta frca

At what depth vera

I

ltla only

-8shy

8-46 Paraoraph 3 1 dont tlllnk that that national averaQe fiourea of 1 dayayear and 2 6 houra are applicable to thh 11te The only areI where a ~raon could awl voul4 be in the Copicut River alonQ the Algonquin caa ltiht-of-Way In thia area the Copiout la approxibullately

2t~t~dPCor~tr~tah~y~ t~~ cHfficult t middoto acceae Plaaae aodify tba figurea

1-65 Paragraph 2 tn your dataraination f the axpoaurbullpoint concentratlona did you uaa the on lite 1011 auplaa collected in both the aaturated and uuaturated aonaa or juat in the unaaturatH aonel-

Appendb

A2 IlL Chnlcal Analytical Deta 111-101 and 811-902 appear ln tbll oeotlon but tile raoulto are not dlacuaaH in the teat thaH two plea collected

A4 80U Borehole ~oaa-actlona

a fotel PCBbull and TOtal Yolatilea ahould be eaprbullbullbullbulld ln PIJIIbull

)) 101M of the data have parenthiHI around th

t~~v~u~~t 1~~middottmiddot~~=tt~~ t1~tmiddot~d~~~l~~te4bull viae theabull croaa-aactiona to reflect that the data ie validated

o ror aach croaa-aeotion indicate vMra the piaataatrio aurface head 11 located for each borehole

D Privata Will tnvaetioation BBL Chetdeal Analytical Deta

In a telephone converaation 1 had with Jibull occhialinl wa IQtlld that U the bullubull danotinQ the detection ll11lt1 ware not included in tha data tablaa than ftlither abould thl bullujbull danotinQ tha aatiaatad detection Ubullita oalata ell bullujbull notationbull ift the data tablaa lnfonetion that ahould ba contained in tha data tablabull are tha validated raaulta

I I

I Jil

ta (~rl flI

1. barcode 553996
2. barcodetext SDMS Doc ID 553996

areaa the cooling

located

akaptioal of the to da-elop

taken two feat below

in aurficial eoUa ualeg available

to

average value

lt 11 -ora

a) tpact Aallllftlent

70 year

ia froaan

I I I I

__ =t~l

~f~a-15 Paraoraph z t do not aoree ~~tith your atateunt that 1the unnartd tributary il not a auiteb1e habitat for aquatic life 1ntarittant flow in thil tributary for a l tl(I0

h ~~0d~~ =~=~~ ~~ct~tf~erd~n~~her I tan aontha

a-1 1 Paragraph l The ujor aource1 ware ram~diatad durino the aource reaoval action conducted in 1914 and 1115 bull aidual conteaination ia atill prevalent in the of the alta where the four unlinec lagoone water pond and the oil apreadlng area ware once

1-21 bullbullrorbullph a Pllbull21 oonulned au ppb of hbulld middot

1-21 l~tpolure Point Concantrationa - a) 1 u on-alta and off-lite aoU contuinant data uHd lllpolurl point concantratiOnl 8B-t7 141 and 81-41a

were conducted bullbull part of the aoU boring prooraa to deta~Wine the vertical eamptent of contaaination onaite At a 11iniaua the Urat 1upla waa the ground aurface aftd tharaforathe reaultl of the

tl~ ni~a~~~1t ~~f~~~~~~ xfnbart wee aaeured that COM could derive the average concentration of PCB I inforaation Thil data waa to be given to tcr-Clabullnt 10 that the doaea and ri1k1 aaaociatad vith eapoaure PCBa could be calculated 1 raca-end you re-do the rhk aati111at1on for on alta aoU1 uaiftQ an for PCB contamination in aurfichl 10111

b) At what -pth ware 10U auplaa 901 and tOZ taken

1-21 Tbullblo 1-1 Did you bullbullbull the flrot -llftO point frooo each aoil boring or all of the IMPliftQ pointe to derive the aoneentration rangaa Uata4 in Tabla 1-1

8-32 Table e-a I dlooor oltll the froquoncr of oonuct under the Plauaibla lladbullubull lapoeura I feel raalhtic to aaaUJH )5-40 tlMIyaar

1-16 Inhalation of YOCI llllaHd fra Oft-litl 8oilebull lifer to the cOIIJMnt by Jon Jlollack ~aa us IPA on the air dleperaion aoctel

~) All you aiiUftiftO tinuou1 ralaaee over a period of tiM COntlnuoue nlaaabull of vocbulla ia not p1auelble et thia elta baeeubullbull tha orouftd andor covered with enobull tor J bullontha of the yair

Analytloal raaulta frca

At what depth vera

I

ltla only

-8shy

8-46 Paraoraph 3 1 dont tlllnk that that national averaQe fiourea of 1 dayayear and 2 6 houra are applicable to thh 11te The only areI where a ~raon could awl voul4 be in the Copicut River alonQ the Algonquin caa ltiht-of-Way In thia area the Copiout la approxibullately

2t~t~dPCor~tr~tah~y~ t~~ cHfficult t middoto acceae Plaaae aodify tba figurea

1-65 Paragraph 2 tn your dataraination f the axpoaurbullpoint concentratlona did you uaa the on lite 1011 auplaa collected in both the aaturated and uuaturated aonaa or juat in the unaaturatH aonel-

Appendb

A2 IlL Chnlcal Analytical Deta 111-101 and 811-902 appear ln tbll oeotlon but tile raoulto are not dlacuaaH in the teat thaH two plea collected

A4 80U Borehole ~oaa-actlona

a fotel PCBbull and TOtal Yolatilea ahould be eaprbullbullbullbulld ln PIJIIbull

)) 101M of the data have parenthiHI around th

t~~v~u~~t 1~~middottmiddot~~=tt~~ t1~tmiddot~d~~~l~~te4bull viae theabull croaa-aactiona to reflect that the data ie validated

o ror aach croaa-aeotion indicate vMra the piaataatrio aurface head 11 located for each borehole

D Privata Will tnvaetioation BBL Chetdeal Analytical Deta

In a telephone converaation 1 had with Jibull occhialinl wa IQtlld that U the bullubull danotinQ the detection ll11lt1 ware not included in tha data tablaa than ftlither abould thl bullujbull danotinQ tha aatiaatad detection Ubullita oalata ell bullujbull notationbull ift the data tablaa lnfonetion that ahould ba contained in tha data tablabull are tha validated raaulta

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1. barcode 553996
2. barcodetext SDMS Doc ID 553996

Analytloal raaulta frca

At what depth vera

I

ltla only

-8shy

8-46 Paraoraph 3 1 dont tlllnk that that national averaQe fiourea of 1 dayayear and 2 6 houra are applicable to thh 11te The only areI where a ~raon could awl voul4 be in the Copicut River alonQ the Algonquin caa ltiht-of-Way In thia area the Copiout la approxibullately

2t~t~dPCor~tr~tah~y~ t~~ cHfficult t middoto acceae Plaaae aodify tba figurea

1-65 Paragraph 2 tn your dataraination f the axpoaurbullpoint concentratlona did you uaa the on lite 1011 auplaa collected in both the aaturated and uuaturated aonaa or juat in the unaaturatH aonel-

Appendb

A2 IlL Chnlcal Analytical Deta 111-101 and 811-902 appear ln tbll oeotlon but tile raoulto are not dlacuaaH in the teat thaH two plea collected

A4 80U Borehole ~oaa-actlona

a fotel PCBbull and TOtal Yolatilea ahould be eaprbullbullbullbulld ln PIJIIbull

)) 101M of the data have parenthiHI around th

t~~v~u~~t 1~~middottmiddot~~=tt~~ t1~tmiddot~d~~~l~~te4bull viae theabull croaa-aactiona to reflect that the data ie validated

o ror aach croaa-aeotion indicate vMra the piaataatrio aurface head 11 located for each borehole

D Privata Will tnvaetioation BBL Chetdeal Analytical Deta

In a telephone converaation 1 had with Jibull occhialinl wa IQtlld that U the bullubull danotinQ the detection ll11lt1 ware not included in tha data tablaa than ftlither abould thl bullujbull danotinQ tha aatiaatad detection Ubullita oalata ell bullujbull notationbull ift the data tablaa lnfonetion that ahould ba contained in tha data tablabull are tha validated raaulta

I I

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ta (~rl flI

1. barcode 553996
2. barcodetext SDMS Doc ID 553996