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# HRS DOCUMENTATIO N RECOR D REFERENCE S PALME R BARG E LIN E SIT E POR T ARTHUR , JEFFERSO N COUNT Y TEXA S EP A CERCLI S ID . NO. = TXD06810456 1

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### o 

## o VO L I REFERENCE S 1-1 2 

### U.S . ENVIRONMENTA

L PROTECTIO N AGENC Y REGIO N 6 MARC H 200 0

MANAGERS OESKNERS/OONSUUWfl S

# MR S DOCUMENTATIO N RECOR D REFERENCE S PALME R BARG E LIN E SIT E POR T ARTHUR , JEFFERSO N COUNT Y TEXA S EP A CERCLI S ID . NO. = TXD06810456 1

C N O 

### n o 

## VO L I I REFERENCE S 13-3 4



# U.S . ENVIRONMENTA L PROTECTIO N AGENC Y REGIO N 6 MARC H 200 0

MANAHFR S

## o W NPL-U32-2-10-R 6 HAZAR D RANKIN G SYSTE M (HRS ) DOCUMENTATIO N RECOR D - REVIE W COVE RSHEE T Nam e o f Site : Palmer Barg e Lin e Contac t Person s Sit e Investigation : Bill Rhotenberrv . EP A Regio n 6 (214 ) 665-837 2 (Name ) (Telephone ) Documentatio n Record : Brend aNixo n Cook . EP A Regio n 6 (214 1 665-743 6 (Name ) (Telephone ) Pathways . Components , o r Threat s No t

Score d 1 ) Groun dWate r

Pathway : Th e groun dwate r pathwa y will no t

b e scored , eve n thoug h a n observe dreleas e ha s bee n identified . Scorin g th e surfac e wate r pathwa y alon e i s sufficien t t o score th e site . Base do n laborator y analytica l result s fro mgroun dwate r sample s collecte ddurin g th e Octobe r 199 9 Expande dSite Inspectio n (ESI) , severa l metal s wer e detecte da t concentration s tha t

exceede dthre e time s th e designate dmaximu mbackgroun dconcentration s (Ref. 9 , p . 92) . Thirty-thre e (33 ) public , industrial , unknow n use , test , an ddomesti c wate r well s hav e bee n identifie dwithi n ; afour-mil e radiu s o f th e sit e (Ref . 9 , p . 93) . However , th e sit e i s slightl y elevate dalon g th e wester n propert y boundar y an dgraduall y slope s towar dSabin e Lake . Thus , al l groun dwate r well s identifie dappea

r t o b e locate dupgradien t

o r cross-gradien t

o f th e Palme r

sit e (Ref . 9 , p . 82) . 2 ) Soi

l Exposure Pathway : Th e soi l exposur e pathwa y wil l no t b e scored , eve n thoug h extensiv e surfac e an d subsurfac e contaminate dsoil s hav e bee n identifie dassociate dwit h variou s on-sit e sourc e areas . Scorin g th e surfac e wate r

pathwa y alon e i s sufficien t t o scor e th e site . N o residents , schools , o r

da y car e facilitie s hav e bee n identifie do n o r withi n 20 0 fee t

o f an y know n sourc e o f contamination . Whil e physicall y accessibl e t o th e public , amajorit y o f th e sit e i s heavil y vegetate dwit h grasse s an dsmal l tree s (Ref . 9 , p . 86) . Severa l Federa l an dstate threatene dan dendangere dspecie s hav e bee n identifie da s inhabitin g area s withi n a4-mile radiu s o f th e sit e o r withi n 1 5 mile s downstreamo f th e site . I n addition , tw o bir drookerie s hav e bee n identifie dwithi n th e 15-mil e Targe t Distanc e Limi t

(TDL ) determine dfo r

th e sit e (Ref . 9 , p . 87) . Ther e ar e n o immediat e resource s associate dwit h th e site , a s th e soil s o n whic h th e sit e i s situate dar e no t suitabl e fo r

cultivatio n (Ref . 9 , p . 88) . 3 ) Ai r

Pathway : Th e ai r

migratio n pathwa y wil l no t b e score dbecaus e th e necessary dat at o documen t a n observe dreleas e ar e no t

available .

HR S Documentatio n Recor dPalme r Barg e Lin e Sit e 05/03/0 0 1 _TXD06810456 1 

# 00060 3

### Nam e o f

Site : Site Spil l Identifie r

No. : CERCLI S Site I D No. : EPA Region : Dat e Prepared : Count y an dState : General Locatio n withi n th e State : Topographi c Map(s) :

Latitude : Longitude : 

### HR S DOCUMENTATIO N RECOR D Palme r Barg e Lin e 

### 61 B TXD06810456 1 6 1 5 Februar y 200 0 Jefferso n County , Texa s Th e Palme r

Barg e Lin e site i s locate do n th e fa r easter n edg e o f

Por t Arthur , Jefferso n County , Texa s nea r th e borde r

betwee n th e state s o f Texa s an d Louisiana . Port

Arthu r i s approximatel y 9 0 mile s du e eas t o f th e City o f

Houston . Port Arthu r South , Texa s (1993 ) an d Wes t o f Green s Bayou , Texa s (1993 ) (USG S 7.5-minut e topographi c serie s maps ) (Ref . 3 , pp . 1-2 ) an d Por t Arthur , Texa s (1983 ) (USG S 3 0 x 60-minut e topographi c serie s map ) (Ref. 4 , p . 1) . 29°57'41.23 " Nort h (Ref . 3 , pp . 3-4 ) 93°51'18.30 " Wes t

(Ref . 3 , pp . 3-4 )

Ai r Pathwa y Groun dWate r

Pathwa y Soi l Exposur e Pathwa y Surfac e Wate r

Pathwa y HR S SIT E SCOR E Scor e

No t Score d No t Score d No t Score d 10 0 5 0

HR S Documentatio n Recor d 05/03/0 0 Palme r Barg e Lin e Site TXD06810456 1 

# 00060 4NPL-U32-2-10-R 6 HAZAR D RANKIN G SYSTE M (HRS ) DOCUMENTATIO N RECOR D - REVIE W COVE RSHEE T Nam e o f Site : Palme r Barg e Lin e Contac t Person s Sit e Investigation : Bill Rhotenberrv . EP A Regio n 6 (214 ) 665-837 2 (Name ) (Telephone ) Documentatio n Record : Brend aNixo n Cook . EP A Regio n 6 (214 ) 665-743 6 (Name ) (Telephone ) Pathways . Components , o r Threat s No t

Score d 1 ) Groun d Water

Pathway : Th e groun d water pathway will no t

b e scored , even thoug h a n observe d releas e ha s bee n identified . Scorin g th e surfac e wate r pathwa y alon e i s sufficien t t o scor e th e site . Base do n laboratory analytical result s fro mgroun d wate r sample s collecte d durin g th e Octobe r 199 9 Expande dSit

e Inspectio n (ESI) , severa l metal s wer e detecte d at concentration s tha

t exceede d thre e time s th e designate d maximu mbackgroun d concentration s (Ref . 9 , p . 92) . Thirty-thre e (33 ) public , industrial , unknow n use , test , an d domesti c wate r well s hav e bee n identifie dwithi n afour-mil e radiu s o f

th e sit e (Ref . 9 , p . 93) . However , th e site i s slightl y elevate d alon g th e western propert y boundar

y an d gradually slope s towar d Sabin e Lake . Thus , al l groun d wate r well s identifie d appea

r t o b e locate d upgradien t

o r cross-gradien t

o f th e Palme r

site (Ref. 9 , p . 82) . 2 ) Soi

l Exposure Pathway : Th e soi l exposur e pathway wil l no t b e scored , eve n thoug h extensiv e surfac e an d subsurfac e contaminate d soil s hav e bee n identifie d associate d wit h variou s on-site sourc e areas . Scorin g th e surfac e wate r

pathwa y alon e i s sufficien t t o score th e site . N o residents , schools , o r

day care facilitie s hav e bee n identifie d o n o r withi n 20 0 fee t

o f an y know n sourc e o f contamination . Whil e physicall y accessible t

o th e public , amajority o f th e sit e i s heavily vegetate d wit h grasse s an d smal l tree s (Ref . 9 , p . 86) . Several Federa l an d stat e threatene d an d endangere d specie s hav e bee n identifie da s inhabitin g area s withi n a4-mile radiu s o f th e sit e o r withi n 1 5 mile s downstrea mo f th e site . I n addition , tw o bird rookerie s hav e bee n identifie d withi n th e 15-mile Targe t Distanc e Limi t

(TDL) determine dfo r

th e site (Ref. 9 , p . 87) . Ther e are n o immediat e resource s associate d wit h th e site , a s th e soil s o n whic h th e site i s situate d are no t suitabl e fo r

cultivatio n (Ref . 9 , p . 88) . 3 ) Ai r

Pathway : Th e ai r

migratio n pathwa y will no t b e score d becaus e th e necessary dat at o documen t an observe d releas e ar

e no t available . 

# 00060 5 HR S Documentatio n Recor d Palme r Barg e Line Sit

e 05/03/0 0 1 TXD06810456 1Nam e o f Site : Site Spil l Identifier

No. : CERCLI S Sit

e ID No. : EP A Region : Dat e Prepared : County an dState : Genera l Locatio n withi n th e State : Topographi c Map(s) :

Latitude : Longitude : HR S DOCUMENTATIO N RECOR D Palme r Barg e Lin e 61 B TXD06810456 r 6 1 5 February 200 0 Jefferso n County , Texa s Th e Palme

r Barg e Line sit

e i s locate d o n th e fa

r easter n edg e o f

Port Arthur , Jefferso n County , Texa s nea r th e borde r

betwee n th e state s o f Texa s an d Louisiana . Por

t Arthu r i s approximatel y 9 0 mile s du e eas t o f th e Cit y o f Houston . Port Arthu r South , Texa s (1993 ) an d Wes t o f Green s Bayou , Texa s (1993 ) (USG S 7.5-minute topographi c serie s maps ) (Ref . 3 , pp . 1-2 ) an d Por t Arthur , Texa s (1983 ) (USG S 3 0 x 60-minut e topographi c serie s map ) (Ref. 4 , p . 1) . 29°57'41.23 " Nort h (Ref . 3 , pp . 3-4 ) 93'51'18.30 " Wes t

(Ref . 3 , pp . 3-4 )

Pathwa y Ai r Pathwa y Groun d Wate r

Pathwa y Soi l Exposur e Pathway Surfac e Wate r

Pathwa y HR S SIT E SCOR E Scor e

No t Score d No t Score d No t Score d 10 0 5 0 

# 00060 6 HR S Documentatio n Recor d 05/03/0 0 Palmer Barg e Lin e Sit

e TXD06810456 1NOTE S T O TH E READE R

1 . Th e Palmer

Barg e Line sit

e i s th e locatio n o f

afacilit y tha t service dan dmaintaine dbarge s an dothe r vessels . The facilit

y i s currentl y inactiv e and i s locatedapproximately 4. 5 mile s east-northeas t o f the Cit y o f Por t Arthu r i n Jefferso n County , Texas . Th e facility encompasse s approximatel y 1 7 acres . Primar y operation s conducte da

t th e Palme

r site include dcleaning , degassing , an dmaintenanc e an dinspectio n o f barge s an d othe

r marin e equipment

(Ref . 5 , pp . 4-5) . 2 . Th e followin g rule s were applie dwhe n citin g reference s i n thi s documentatio n record : A Trackin g number s wer e assigne d b y th e regio n t o every-pag e of.ever y reference . Th e trackin g numbe r consist s o f

th e referenc e numbe r

followe db y th e pag e numbe r withi n tha t

reference . A trackin g number

ha s atwo-digit

number followe db y th e sequentia l numbe r (e.g. , 040001 , 040002) . B . I f th e referenc e ha s a

n original pag e number , tha t pag e numbe r

wa s cited . C . I f th e referenc e cite dha s n o original pag e numbe r o r th e paginatio n i s no t

complete , the n th e designate dtrackin g numbe r wa s cited . D . Analytica l dat aar e reference db y trackin g number s only . 3 . Hazardou s substance s are liste db y th e name s use di n th e Jun e 199 6 Superfun dChemica l Dat aMatri x (SCDM ) (Ref . 2) . 4 . Dat aqualifier s assigne db y th e Housto n Environmental Protectio n Agenc y (EPA) Environmental Service s Assistanc e Tea

m(ESAT) dat arevie w tea mmay vary fro mthos e assigne db y th e Contrac t Laboratory Progra m(CLP) laborator

y o n th e For

mI dat asheets . 5 . Attachmen t

A o f thi s documentatio n recordconsist s o f th e followin g figures : A- l Sit

e Locatio n Ma

p A- 2 Sit

e Are aMa p A- 3 Sit

e Pla n A- 4 TNRC C Tan

k Sampl e Locatio n Ma

p A- 5 On-Sit

e Soil an dSedimen

t Sampl e Station s A- 6 Backgroun dSedimen t Sampl e Station s A- 7 Surfac e Water

Pathwa y Ma

p A- 8 Level JJ . Contaminatio n 

# 00060 7

HR S Documentatio n Recor d Palme r Barg e Line Site 05/03/0 0 3 TXD06810456 1REFERENCE S CITE D

1 . 4 0 CFRPar

t 300 , HazardRankin g System ; Fina l Rule . 1 4 Decembe

r 1990 . Volume 55 , No . 241 . 2 . U.S . Environmental Protectio n Agenc y (USEPA) . 1996 . Superrun dChemica l DataMatri x (SCDM) . Jun e 1996 . 3 . U.S . Geologica

l Surve y (USGS) . 1993 . Wes t o f Green s Bayo u an d Port

Arthu r South , Texa s (7.5-minut e topographi c serie s maps ) an d Latitud e an d Longitud e Calculatio n Worksheets . Tota l pages : 4 . 4 . USGS . 1983 . Por t Arthur , Texa s (3 0 x 60-minut e topographi c serie s map) . Tota l pages : 1 . 5 . Texa s Natura l Resourc e Conservatio n Commissio n (TNRCQ . 1998 . Preliminar y Assessment/Screenin g Sit e Inspectio n fo r

th e Palmer

Barg e Line Site , Port

Arthur , Jefferso n County , Texas . Marc h 1998 . Total pages : 51 . 6 . Ro y F . Weston , Inc . (WESTON) . 1999 . Fiel dLogboo k an dCL P Logboo k

Note s fo r

th e Palme r

Barg e Lin e Site . Augus t

199 9 throug h October

1999 . Tota

l pages : 45 . 7 . TNRCC . 1996 . Multimedi aInvestigatio n Report Summary fo r

th e Palme r

Barg e Lin e Site , Port

Arthur , Jefferso n County , Texas . 3 Decembe r 1996 . Tota

l pages : 53 . 8 . Boots an dCoot s Special Services . Sampl e Collectio n Procedure s Summary an dAnalytica l Result s fo r Tan k Samplin g a

t th e Palme r

Barg e Lin e Site . Augus t

1999 . Total pages : 178 . 9 . WESTON . 2000 . Expande dSit e Inspectio n Repor t fo r th e Palmer

Barg e Lin e Sit

e (excerpts) , Port

Arthur , Jefferso n County , Texas . Januar y 2000 . Total pages : 94 . 10 . USEPA 1999 . Contrac t Laboratory Progra m(CLP ) Analytica l Report fo r Sampl e Designatio n Grou p (SDG ) FGQ50 , Cas e 27447 . 2 3 Novembe r 1999 . Tota

l pages : 85 . 11 . USEPA . 1999 . CL P Analytica l Report fo r SD G MFJT37 , Cas e 27447 . 2 Novembe r 1999 . Tota

l pages : 34 . 12 . USEP

A 1999 . CL P Analytical Repor t fo r SD G MFJT40 , Cas e 27447 . 2 November 1999 . Total pages : 33 . 13 . WESTON . 2000 . Palme r Barg e Lin e Site . Sampl e Quantitatio n Limi t Calculations . February 2000 . Total pages : 19 . 14 . USEP

A 1992 . HazardRankin g Syste mGuidanc e Manual ; Interi mFina l (excerpts) . Novembe r 1992 . Total pages : 10 . 15 . AutoCA D Releas e Versio n 14. 0 User' s Guide . Decembe r 1997 . Tota

l pages : 3 . 16 . USEPA . 1999 . CL P Analytical Repor t fo r SD G FGQ61 , Cas e 27447 . 1 Decembe r 1999 . Tota

l pages : 77 .

HR S Documentatio n Recor dPalmer Barg e Lin e Sit

e 05/03/0 0 4 TXD06810456 1 

# 0006n s17 . USEPA . 1999 . CL P Analytica

l Repor t for SD G MFJT80 , Cas e 27447 . . 4 Novembe r 1999 . Total pages : 27 . 18 . USEPA . 1999 . CLP Analytica l Repor t for SD G FGQ47 , Cas e 27447 . 1 8 Novembe r 1999 . Tota

l pages : 96 . 19 . USEPA . 1999 . CL P Analytica l Report fo r SD G FGR35 , Cas e 27447 . 1 Decembe r 1999 . Tota

l pages : 35 . 20 . Texa s Water

Development

Boar d (TWDB) . 1971 . Groun d Wate r Resource s o f

Chamber s an d Jefferso n Counties , Texas . Repor

t 13 3 (excerpts) . Augus t

1971 . Tota

l pages : 4 . 21 . TWDB . 1997 . Wate r Fo r Texa s (excerpts) . Augus t 1997 . Tota

l pages : 8 . 22 . Unite d State s Departmen t o f Agriculture , Soi l Conservatio n Service . 1965 . Soi l Surve y o f

Jefferso n County , Texa s (excerpts) . Februar y 1965 . Total pages : 4 . 23 . TNRCC . State o f Texas-Water

Qualit y Inventory , Sabin e Lak

e Segmen t Definition . Novembe r

1994 . Total pages : 3 . 24 . USEPA . 1999 . CL P Analytica

l Repor t fo r SD G FGQ67 . 2 6 November 1999 . Tota

l pages : 130 . 25 . USEPA . 1999 . CL P Analytica l Repor t fo r SD G MJFT57 . 2 Novembe r 1999 . Tota

l pages : 24 . 26 . USEPA . 1999 . CL P Analytica l Repor t fo r SD G MFJW07 . 4 Novembe r 1999 . Tota

l pages : 28 . 27 . TNRCC . 1996 . Expande d Sit e Inspectio n Repor

t fo r Stat e Marin e o f

Port Arthu r (excerpts) , Por

t Arthur , Texas . Apri l 1996 . Tota

l pages : 143 . 28 . Texa s Park s an d Wildlif e Departmen t

(TPWD) , Fisherie s an d Wildlif e Division . 1993 . Trend s i n Texa s Commercial Fisher

y Landing s 197 2 - 1992 , Report No . 10 6 (excerpts) . Tota l pages : 16 . 29 . Johnson , A 2000 . WESTON . Personal Communicatio n wit h Terr y Stelly , Texa s Park s an d Wildlif e Department , Port

Arthu r Fiel d Office . Subject : Designate d Uses/Fisher y Informatio n - Sabin e Lake . 2 2 Februar y 2000 . Tota

l pages : 1 . 30 . McCarthy , M . 1996 . TNRCC . Persona l Communicatio n with Jerr y Mambretti , Texa s Park s an d Wildlif e Department . Subject : Fishing in the Vicinit y o f State Marine . 1 9 Apri l 1996 . Tota l pages : 1 . 31 . U.S . Fis h an d Wildlif e Service . 1992 . National Wetland s Inventor y (NWI ) 7.5-minute topographi c serie s map . Wes t

o f Green s Bayou , Texas-Louisiana . Total pages : 1 . 32 . Texa s Natura l Heritag e Program , Texa s Park s an d Wildlif e Department . 1994 . Lette r t o Mr . Wesle y Newberry , TNRC C regardin g Federa l an d State-liste d Threatene d an d Endangere d Specie s withi n th e vicinit y o f th e Stat e Marin e o f

Por t Arthur , Texa s Site . 1 6 Decembe r 1994 . Tota

l Pages : 7 . 33 . Unite d State s Fis h an d Wildlif e Service . Sabin e National Wildlif e Refug e Information . Tota l pages : 7 . HR S Documentatio n Recor d Palme r Barg e Lin e Sit

e 05/03/0 0 5 TXD06810456 1 

# 00060 9

### 34 . USEPA . 1994 . "Usin g Qualifie dDat at o Documen t an ObservedRelease " Factsheet . Jul y 1994 . Tota l pages : 14 . 35 . Slay , Chester . 1999 . Lette r t o Senato r

Phi l Gram mregardin g th e Stat e Marin e Superfun d Site . 1 6 October 1999 . Total pages : 9 .

MR S Documentatio n Recor d Palme r Baig e Lin e Sit

e 05/03/0 0 6 IXD06810456 1 

# 000 6 1 0SIT E SUMMAR Y

Th e Palmer

Barg e Line sit

e (hereafter

referre dto a s th e Palme

r site ) i s th e locatio n o f

afacility that

service dan d maintaine dbarge s an d othe r vessels . Th e facilit

y i s currentl y inactiv e (Ref. 5 , p . 4) . Th e facilit y i s locate d approximatel y 4. 5 mile s eas t - northeas t

o f th e City o f

Por t Arthu r i n Jefferso n County , Texa s (Ref.3 , pp . 1-2) . Th e facilit y encompasse s approximatel y 1 7 acre s an di s locate do n Ol dYacht Clu b Roado n the Southeas t

Industria l Islet . Th e facility i s bounde dt o th e north b y vacan t property an dth e Industrial Property Tax Company , t o th e eas t b y Sabin e Lake , t o th e sout h b y th e Stat e Marin e Superfun dsite , an dt o th e wes t b y Ol dYacht

Club Road(Ref

. 5 , p . 4 ; Ref . 9 , p . 5 , Ref . 27 , p . 8) . Th e site i s situate dapproximatel y 0. 5 mile southwes t o f th e point where th e Neche s Rive r enter s th e Sabine-Neche s Canal (Ref . 3 , p . 1) . A Sit

e Locatio n Ma

p an dSit e Are aMa

p are provide da s Figure s A- l an dA- 2 o f

Attachmen t

A , respectively . I n Apri l o f

1982 , Joh n H Palmer , President o f th e Palme

r Barg e Line , Inc. , purchase dapproximatel y 1 7 acre s fro m th e Cit y o f Po n Arthur . I n Jul y 1983 , Banke r Phare s ( atruste e o f

Jefferso n County ) place dalie n o n th e Palme r Barg e Line , Inc . property . I n October 1994 , Wrangler

Capital assume dal l claim s fro mth e bankruptc y proceeding s fo r th e Palme

r Barg e Line , Inc . site . I n Jul y 1997 , Wrangler Capital purchase dth e property fro mreceivership an d th e compan y cease doperation s a s abarg e an dmarin e vesse l servic e an dmaintenanc e compan y (Ref. 5 , p . 4) . Sometim e i n 1997 , th e norther n portio n o f th e propert y wa s lease d t o atenan t wh o currentl y perform s marin e salvag e operations . Th e central portio n o f th e propert y wa s lease dt o th e Scurloc-Permian Compan y fo r vehicl e parkin g only (Ref. 5 , p . 5) . In alette r date d1 6 Octobe

r 1999 , Mr . Cheste

r Slay , believe d t

o b e the current

owne r o f th e site , state dtha t

h e purchase dth e shipyardpropert y adjacen t t o th e State Marin e Superfun dSit e (i.e. , th e Palme r Barg e Lin e Site ) (Ref

. 35 , p . 3) . 

### OPERATIONA L HISTOR Y The Palme

r sit e bega n operation s sometim

e in 198 2 and continue dunti l the middl e o f 199 7 (Ref . 5 , p . 1) . Primar

y operation s conducte da

t th e Palme

r sit e include dcleaning , degassing , an dmaintenanc e an dinspectio n o f barge s an d other marin e equipment . Typical cleanin g operations , als o referre dto a s stripping , include dth e removal o f sludge , liqui d(heels) , an d all othe r residua l constituents . Thi s cleanin g wa s accomplishe d b y pressur e steamin g the vesse

l holds , engines , an dboilers . Degassin g activitie s involve dth e removal o f explosiv e vapor s fro mth e barg e hol dusin g nitroge n o r

boile r exhaust . Maintenanc e an dinspectio n activitie s include dth e replacemen t and/o r repair o f valves , engines , an dlin e leak s followe db y pressure test s an dfractur e assessment s (Ref. 5 , pp . 4-5 ; Ref . 9 , p . 6) . Reportedly , Palme

r Barg e Line , Inc . utilize dtw o diesel/mixe dfue l boiler s t o produc e low-pressur e steamt o ai di n th e cleanin g o f

barges . Engine s wer

e degrease dan dresidual s spille ddurin g th e loadin g an dunloadin g o f th e barge s wer e store do n sit e i n slop tank s (Ref . 5 , p . 5 ; Ref . 7 , p . 2 ; Ref . 9 , p . 6) . Structure s a

t th e sit e include various-size dstee l abov e groun dstorag e tank s (ASTs) , severa l open-to p slo p tanks , roll-of f boxes , an d55-gallon drum s (Ref. 5 , p . 8 ; Ref. 9 , p . 6) . Fre e standin g oily liquid s an dstaine dsoil s hav e als o bee n observe da

t th e sit e (Ref . 5 , Healt

h an d Safet

y Plan , p . 4) . A detaile ddescriptio n o f eac h o f th e abov e structures , a s wel l a s additional structure s no t previousl y mentioned , i s presente di n th e followin g paragraphs . A Sit e Pla n i s provide da s Figure A- 3 o f Attachment

A . Fou r AST s (identifie da s Wastewater AST s o n Figure A-3 ) ar e locate di n th e northeaster n portio n o f

th e site . Th e fou r ASTs , on e estimate da

t 25,00 0 gallon capacity an dthre e 5,00 0 gallo n capacity tanks , are constructe do f stee l an dsurrounde db y a n earthe n bermmeasurin g approximatel y 9 0 fee t b y 5 0 fee t

b y 3 fee t hig h (Ref. 9 , p . 7) . Th e

MR S Documentatio n RecordPalme r Barg e Lin e Site 05/03/0 0 7 TXD06810456 1 

# 00061 125,00 0 gallo n capacit y AS T i s identifie d a s Tan k 10 2 o n Figure A- 3 o f

Attachmen t

A . Thes e fou r

AST s were use d fo r bulk wast e storag e durin g barg e cleanin g operation s at th e site . Th e fou r

AST s are rustin g near th e bas e an d are believed to b e ful l o f unknow n liquids . On e foo t o f oily liqui d wa s observe d inside th e bermdurin g asit e visit conducte d i n 1998 ; however , n o free-standin g liquid s o r staine d soil s wer e observe d insid e th e ber mdurin g th e mos t recen t fiel d activitie s conducte d i n Octobe r 199 9 (Ref. 9 , p . 7) . Four AST s are locate d adjacen t to th e boile

r hous e i n th e southwestern portio n o f th e property (Ref. 5 , pp . 5 , 8) . Th e estimate d capacity o f eac h o f thes e AST s i s 7,00 0 gallon s an d th e AST s ar e reportedl y ful l o f

liquid . Thre e o f th e fou r AST s reportedl y wer e use d t o stor e liquid s a s afue l sourc e fo r tw o boiler s t o produc e steamdurin g sit e operation s (Ref . 5 , p . 5 ; Ref . 9 , pp . 7-8) . Th e fourt h AS T wa s reportedl y use d fo r freshwate r

storage . I t

i s believe d tha t diesel an d other

petroleum-typ e product s wer e store d i n th e AST s (Ref. 6 , p . 8 ; Ref . 9 , p . 8) . Th e AST s ar e locate d directl y o n th e groun d an d n o containmen t feature s ar e associate d wit h thes e ASTs . Numerou s pipe s an d valve s wer e observe d t o connec t th e ASTs , some o f

whic h wer e reporte d t o hav e leake d t o th e surroundin g soi l (Ref. 9 , p . 8) . Fou r open-to p slop tank s an d fiv e close d slo p tank s are locate d o n site . Th e open-to p slo p tank s are locate d wes t o f th e flare an d consis t

o f stee l container s ful l o f

an oil y material . Thes e slo p tank s eac h measure approximatel y 8 fee t b y 5 fee t

b y 4 fee t

(o r 6 cubi c yards ) (Ref. 9 , p . 8) . Th e soil aroun d th e slop tank s i s staine d an d stresse d vegetatio n ha s bee n noted . Th e open-to p slo p tank s ar e situate d directl y o n th e groun d wit h n o secondar y containment

presen t (Ref. 9 , p . 8) . Thre e slo p tank s ar e locate d i n th e norther n portio n o f th e propert y an d th e remainin g tw o tank s are locate d i n th e easter n portio n o f

th e propert y (Ref. 9 , p . 8) . Thre e horizonta

l AST s are locate d nea

r th e southeas t

comer o f th e site . Th e estimate d capacity o f th e thre e tank s i s 10,00 0 gallon s eac h (Ref. 9 , p . 7) . A concrete berm , measurin g approximatel y 3 0 fee t b y 3 0 fee t

b y 1 foo t

high , surround s th e thre e AST s an d containe d an unknow n greenish-colore d liqui d durin g th e mos t recen t fiel d activitie s conducte d i n Octobe r

199 9 (Ref. 6 , pp . 4-5 ; Ref . 9 , p . 7) . Th e tank s ar e believe d t o b e ful l o f liqui d an d wer e probabl y use d a s par t

o f th e barg e cleanin g an d degassin g syste m(Ref. 9 , p . 7) . Staine d soil s are presen t aroun d th e ber man d appea

r t o b e th e resul t

o f tan k overflo w (Ref. 9 , p . 7) . Twelv e AST s are locate d i n th e easter n portio n o f

th e site . Al l o f

th e AST s are identica

l i n siz e (estimate d capacity i s 7,00 0 gallon s each ) an d shap e an d ar e surrounde d b y aconcret e ber mmeasurin g approximatel y 9 5 fee t b y 3 0 fee t b y 1 foo t hig h (Ref . 5 , p . 5 ; Ref . 6 , p . 5 ; Ref. 9 , p . 7) . A n oil y liqui d wa s observe d insid e th e bermi n October 1999 , althoug h th e tank s d o no t appea r t o b e leakin g (Ref. 5 , p . 5 ; Ref . 6 , p . 5 ; Ref . 9 , p . 7) . There ar e numerou s pipe s an dvalve s connectin g th e tank s whic h mos t likel y aide d i n th e liqui d transfe r an d separatio n activitie s (Ref. 9 , p . 7) . Th e tank s appeare d to b e i n goo d physical conditio n a s n o rustin g o r leakin g wa s observe d durin g th e October 199 9 fiel dactivities . However , staine d soi l wa s observe d aroun d th e concrete ber man d appear s t o b e th e resul t o f tan k overflo w (Ref . 5 , p . 10 ; Ref . 9 , p . 7) . A flare , locate d generally i n th e central portio n o f th e site , wa s use d t o bur n exces s gasse s an d liquid s produce d durin g site operation s (Ref. 9 , p . 8) . Area s o f concern includ e staine d soil s immediatel y belo w an d aroun d th e flare stac k (Ref. 5 , p . 10) . On e roll-of

f bo x i s locate d eas t

o f th e 12-tank

AS T battery . Th e roll-of f bo x containe d adark , oil y sludg e (Ref. 5 , p . 5) . A n abandone d vacuu mtruc k wa s note d near

th e bulkhea d i n th e easter n portio n o f

th e site . Th e content s o f th e vacuu mtruc k

are unknow n (Ref . 6 , p . 5) . A n oil/wate r separator , consistin g o f

tw o ASTs , i s locate d directl y southwes t o f th e 12-tan k

AS T battery . Th e oil/wate r separato r

appear s t o b e i n goo d conditio n (Ref. 9 , p . 9) .

MR S Documenlatio n Record Palmer Barg e Lin e Sit

e 05/03/0 0 8 TXD06810456 1 

# 0 0 0 6 1 2Additiona

l area s o f concern include miscellaneou s 55-gallon drums , compresse d ga s cylinders , pain t can s an d buckets , al l o f

whos e content s are unknow n (Ref. 9 , pp . 8-9) . Tw o rectangular-shape d ASTs , each approximatel y 15 0 gallons , ar

e locate d withi n the vicinit y o f the 12-tan

k AS T battery . Thes e AST s mos t likely serve d a s fue l tank s an dcontaine d diesel , whic h wa s use d fo r sit e vehicl e refuelin g (Ref. 6 , pp . 5-6 ; Ref . 9 , p . 9) . REGULATOR Y HISTOR Y In December

1996 , the Texas Natural Resource s Conservation Commission (TNRCC ) Region 1 0 fiel d offic e conducte d amulti-medi ainvestigatio n o f th e Palme

r site . Th e primary purpos e o f th e investigatio n wa s to determin e th e facility' s air

complianc e statu s wit

h th e Federa

l Clea n Air Ac t (FCAA ) (Ref

. 7 , p . 1 ; Ref. 9 , p . 9) . Th e Palme r site operate d unde r

tw o permi t

exemptions : permi t

exemptio n X-322 6 an dX-334 6 (Ref . 7 , p . 1) . Accordin g to permi t exemptio n X-3226 , issue d o n 7 January 1982 , th e followin g product s wer e store d withi n th e 12-tank AS T battery : fue l oil , gasoline , naphtha , an dtoluene . However , th e actual content s o f th e tank s hav e no t

bee n verifie d (Ref

. 7 , pp . 2-3) . At

th e tim e o f

th e preparatio n o f

thi s documentatio n record , additiona l samplin g o f

th e variou s on-sit

e tank s hadbeen performed , bu t

th e analytica

l result s are stil l pending . A s liste d i n permi t

exemptio n X-3346 , compound s expecte d to b e encountere d durin g barg e cleanin g operation s include : alcohols , crude oil , diesel , gasoline , kerosene , jet fuel , minera

l oils , naphtha , marin e diesel , toluene , an dlub e oi l (Ref . 7 , p . 28) . Record s reviewe d b y TNRC C personnel reveale d tha t vessel s wit

h numerou s other

compound s no t represente d i n th e permit s hav e bee n encountere d a t thi s facility , including : ammonia , cyclohexane , adiponitrile , propylene , butadiene , an dhexan e (Ref . 7 , pp . 28-30) . I n Marc h 1998 , th e TNRC C Region 1 0 fiel doffice , i n cooperatio n wit h th e U.S . Environmental Protectio n Agenc y (USEPA) Regio n 6 , prepare d aPreliminar y Assessmen t (PA)/Screenin g Sit e Inspectio n (SSI ) fo r th e Palmer

site . Fiv e wast e sourc e area s wer e identifie db y th e TNRC C durin g thi s particula r investigatio n whic h are believed t o b e th e result

o f historica l site operation s (Ref. 9 , pp . 9-10) . A tota l o f thirtee n soi l an dtwelv e sedimen t sample s wer e collecte d an danalyze d a s part o f thi s investigatio n (Ref. 5 , pp . 24-25) . Analytical result s fo r thes e sample s indicate dthat

severa l metal s wer e detecte d i n both surfac e soi l an dsediment

sample s collecte d fro mvariou s area s o f th e site an di n th e adjacen t Sabin e Lake (Ref. 9 , p . 10) . Thi s repor t ha s bee n include d a s Referenc e 5 . I n M y 1999 , acontracto r under th e directio n o f

th e TNRC C Regio n 1 0 sample d amajorit y o f th e ASTs , roll-of

f boxes , an dslop tank s locate d at th e sit e fo r

characterizatio n purposes . Th e sample s collecte d wer e analyze d fo r Total Characteristi c Leachin g Procedur e (TCLP ) characteristic s onl y fo r volatiles , semivolatiles , pesticides/PCBs , an dmetal s (Ref

. 9 , p . 10) . Th e TCL

P analysi s identifie s th e potential fo r asubstanc e to leac h fro mth e sample d material . Analytical result s fro mthes e sample s indicate d severa l compound s tha t

exceede d th e practical quantitatio n tou t

(PQL) use d b y th e laboratory fo r compariso n purposes . Thes e compound s included : barium , lead , 2-methylphenol , 3 & 4-methylphenols , an dbenzene . Location s o f sampl e station s fo r

th e TNRC C investigatio n are include do n Figure A- 4 o f Attachmen t

A Th e entir e repor

t produce d b y th e contractor , includin g analytical result s fo r sample s collecte d durin g thi s investigation , ha s bee n provide d a s Referenc e 8 . I n Octobe r 1999 , acontracto r

under directio n o f

th e USEPA Regio n 6 , performe d a n Expande d Sit

e Inspectio n (ESI ) a t th e Palme

r site i n an effor t

t o determin e th e presenc e an dnatur e o f contaminatio n i n know n o r suspecte d on-site an doff-sit e locations . Additionally , migratio n route s an droute s o f exposure o f

site-relate d constituent s wer e determine dfo r

th e sit e (Ref . 9 , p . 2) . Th e ES I fiel dactivitie s focuse d o n th e collection o f soil , groun d water , an d sedimen t sample s (Ref

. 9 , p . 3) . Sample s collected durin g th e ES I fro mSource s 1 throug h 6 wer e analyze d fo r

al l targe t compoun d lis t

(TCL) an dtarge t

analyte lis t

(TAL) substance s per

th e USEPA Contrac t

Laborator

y Progra m (CLP ) statemen t

o f work .

MR S Documentatio n Recor d Palme r Barg e Lin e Site 05/03/0 0 9 TXD06810456 1 

# 00061 3Laborator y analytica

l result s fo r

sample s collecte d durin g th e ES I confirme d th e presenc e o f site-relate d contaminate dsoi

l and , to alesse

r extent , contaminate d groun d water , i n severa l sourc e area s a

t th e site . Site-relate d contaminant s o f

concer n include metal s (Ref. 9 , pp . 31-39) . Further , laborator y analytica l result s fo r

sediment sample s obtaine d fro mSabin e Lake confirme d tha t site-attributabl e contaminatio n wa s present i n Sabin e Lak

e (Ref. 9 , p . 80) . Sabin e Lak

e i s considere d afisher

y an duse d fo r

contac t an drecreationa l use s (Ref. 29 , p . 1) . Thi s entir e report ha s bee n provide d a s Referenc e 9 .

HR S Documentatio n Recor d Palme r Barg e Lin e Sit

e 05/03/0 0 1 0 TXD06810456 1 

# 00061 4WORKSHEE T FO R COMPUTIN G HR S SIT E SCOR E 

# s s 2 1 . Groun d Wate r

Migratio n Pathwa y Scor

e (S^ ) N S N S (fro mTabl e 3-1 , line 13 ) 2a . Surfac e Wate r

Overland/Floo d Migratio n Component 10 0 10,00 0 (fro mTabl e 4-1 , line 30 ) 2b . Groun d Water

to Surfac e Wate r

Migratio n Componen

t N S N S (fro mTabl e 4-25 , line 28 ) 2c . Surfac e Wate r

Migratio n Pathwa y Scor e (S^, ) 10 0 10,00 0 (Enter th e larger

o f line s 2 aan d2 b a s th e pathwa y score ) 3 . Soi l Exposure Pathwa y Scor e (S J N S N S (fro mTabl e 5-1 , line 22 ) " 4 . Ai r

Migratio n Pathway Scor

e (S J N S N S (fro mTabl e 6-1 , lin e 12 ) 5 . Tota

l o f Sg, 2 + S m

2 + S, 2 + S. 2 —10,00 0

s 6 . HR S Site Score : Divide th e valu e o n lin e 5 b y 4 an dtak e 5 0 th e squar e root . Notes : S Scor e S 2 Scor e square d N S No t

score d Table s 3-1,4-1,4-25,5-1 , an d 6- 1 refe r t o scoresheet s presente d i n th e HR S Rul e (Ref. 1) . Tabl e 4- 1 i s reproduce d i n th e followin g page s o f thi s documentatio n recor d fo r th e convenienc e o f

th e reader .

HR S Documentatio n Recor d Palme r Barg e Lin e Site 05/03/0 0 1 1 TXD06810456 1 

# 00061 5

### SIT E NAME : PALME RBARG E LIN E SIT E SCORE : 50. 0 TABL E 4-1 * SURFAC E WATE RMIGRATIO N PATHWA Y SCORESHEE T Facto r Categorie s an dFactor s DRINKIN G WATE RTHREA T HUMA N FOO D CHAI N THREA T Likelihoo do f

Release : 14 . Likelihoo do f

Releas e Wast e Characteristics : 15 . Toxicity/Persistence/Bioaccumulatio n 16 . Hazardou s Wast

e Quantit y 17 . Wast

e Characteristic s Targets : 18 . FoodChai n Individua l 19 . Populatio n 19a . Leve l I Concentration s 19b . Leve l n Concentration s 19c . Potential Contaminatio n 19d . Populatio n (line s 19 a+ 19 b + 19c ) 2 0 Target s (line s 1 8 +19d ) Huma n Foo dChai n Threa t Score : 21 . Human Foo dChai n Threa t Score ([line s 1 4 x 1 7 x 20]/82,500 ) ENVIRONMENTA L THREA T Likelihoo do f

Release : 22 . Likelihoo do f

Releas e (sam

e valu e a s line s 5 an d14 ) Maximu mValu e 

### N S

55 0 (a) (a ) 1,00 0



### 5 0

10 0 Valu e Assigne d



### N S

55 0

5xl0 8 

### 10 0 32 0

4 5 (b ) 

### (b ) (b ) (b ) (b ) 0

3 0.003 1 3.003 1 48.003 1



### 10 0

55 0 55 0

HR S Documentatio n Recor d 05/03/00 1 2 Palme r Barg e Line Sit

e TXD06810456 1 

# 00061 6

### SIT E NAME : PALME RBARG E LIN E SIT E SCORE : 50. 0 TABL E 4-1 * SURFAC E WATE RMIGRATIO N PATHWA Y SCORESHEE T Facto r Categorie s an d Factor s Maximu mValu e Valu e Assigne d Wast e Characteristics : 23 . Ecosyste

mToxicity/Persistence/Bioaccumulation 24 . Hazardou s Wast

e Quantit y 25 . Waste Characteristic s (a ) (a ) 1,00 0 

### 5 x 10 " 10 0 32 0 Targets : 26 . Sensitiv e Environment s 26a . Leve l I Concentration s .. . 26b . Leve l n Concentration s 26c . Potentia

l Contaminatio n 26d . Sensitiv e Environment s (line s 26 a+ 26 b + 26c ) 27 . Target s (valu e fro mline 26d) Environmenta l Threa t

Score : 

### n 28 . Environmental Threa t Score ([line s 2 2 x 2 5 x 27]/82,500 ) (b ) (b ) (b ) (b ) (b )



### 6 0 0 0 

### 0.0092 5 0.0092 5 0.0092 5

0.0197 3 SURFAC E WATE ROVERLAND/FLOO D MIGRATIO N COMPONEN T SCOR E FO RA WATERSHE D 29 . Watershe dScore (line s 13+2 1 +28 ) 30 . Componen t

Score (highes t scor e fro mline 2 9 fo r

al l watershed s evaluated ) 

### 10 0 10 0 100

10 0

Note^ : N S (a ) 

### Tabl e 4- 1 i s reproduce dfro mscoresheet s presente di n th e HR S Rul e (Ref . 1) . No t Scored . Maximu mvalu e applie s t o Wast e Characteristic s Category . Maximu mvalu e no t

applicable . 

# 00061 7

HR S Documentatio n Recor d 05/03/0 0 1 3 Palme r Barg e Lin e Sit

e TXD06810456 1Sourc e 1 : Contaminate d Soils - Wastewater AST s S D - Hazardou s Substance s Associate d wit h aSourc e SOURC E DESCRIPTIO N Te n source s hav e bee n identifie d a t th e Palme r

site . A detaile d descriptio n o f eac h sourc e i s presente d i n thi s section . A complet e discussion , includin g sourc e identification , hazardou s substance s presen t an d availabl e t o a pathway , likelihoo d o f

release , an d wast e characteristic s ar e presente d fo r eac h sourc e sequentiall y fo r th e reader . Backgroun dSoi

l Sample s I n a n effor t t o evaluate backgroun d soil condition s a t th e Palme r

Site , backgroun d soil sample s wer e collecte d durin g th e 199 9 ES I fro man o n site are ano t suspecte d t o b e impacte d b y sit e operations . A tota l o f tw o shallo w soi l boring s wer e complete d i n th e northwester n portio n o f th e sit e at

Station s 03 2 an d 033 . Fro meac h shallo w soi l boring , on e surfac e soil sampl e wa s collecte d fro madept h o f 0 t o 2 fee t

belo w groun d surfac e (bgs ) an d asecon d sampl e wa s collecte d fro madept h o f 2 t o 4 fee t

bg s (Ref . 9 , p . 31) . Th e backgroun d soi l sampl e location s ar e depicte d o n Figur

e A- 5 o f Attachmen t

A . Backgroun d soi

l sample s collecte d durin g th e 199 9 ES I wer e analyze d fo r al l targe t compoun d lis t

(TCL) an dtarge t analyt e lis t

(TAL) substance s pe r

th e USEP

A Contrac t

Laboratory Program(CLP ) statemen t o f work . Th e USEP A Regio n 6 ESA

T performe d dat avalidatio n fo r th e ES I dat apackage s prepare d b y th e designate d CL P laboratories . Th e validator s reviewe d th e dat apackage s t o verif y tha t the y me t th e USEP A technical requirement s an dqualit y assuranc e (QA) guideline s establishe d fo r th e CL P (Ref. 17 , pp . 3-11 , 21 , 22) . Maximu mconcentration s fo r eac h analyt e fo r

eac h depth interva l hav e bee n presente d i n th e followin g table .

HR S Documentatio n Recor d Palme r Barg e Lin e Sit

e 05/03/0 0 1 4 TXD06810456 1 

# 0 0 0 6 . 1 8Sourc e 1 : Contaminate d Soils - Wast e water AST s 3 D - Hazardou s Substance s Associated wit h aSourc e BACKGROUN D SOI

L SAMPLE S SKBSJASfG

B "

• • v Aluminu m

Arseni c

Bariu m Berylliu m

Cadmium

Chromiu m

Cobal t Coppe r Cyanid e

Iro n

Lea d Magnesiu m 

### , 4 ;, , , ' MFJT92/03 3 MFJT9 1/03 2 MFJT92/03 2 MFJT91/03 2 MFJT92/D3 3 MFJT91/03 2 MFJT92/03 3 MFJT93/03 3 MFJT90/03 2 MFJT91/03 2 MFJT92/03 3 MFJT91/03 2 MFJTO/03 3 MFJT91/D3 2 MFJT92/03 3 MFJTO1/03 2 MFJT92/03 3 MFJT31/03 2 MF/T9(V03 2 -MFJT9WJ3 2 MFJT92A)3 3 MFrRl/03 2 MFJT92/03 3 MFn93/03 3 

## - jam

## ,

< 10/06/9 9 10/06/9 9 10/06/9 9 10/06/9 9 10/06/9 9 10/06/9 9 10/06/9 9 10/06/9 9 10/06/9 9 10/06/9 9 10/06/9 9 10/06/9 9 10/06/9 9 10/06/9 9 10/06/9 9 10/06/9 9 10/06/9 9 10/06/9 9 10/06/9 9 10/06/9 9 10/06/9 9 10/06/9 9 10/06/9 9 10/06/9 9 M*XJMtM<Xp^«m4TtC « " s ' % • • % &ln«% « « ! ' ' ' %

4,660 10,30 0 3. 5 13. 5 19 0 11 3 0.2 8 0.5 9 ND(0.09 ) ND(0.11 ) 7. 3 17. 6 3. 4 6. 8 23. 5 J v 18 6 J v 0.3 1 0.2 3 4,10 0 39,50 0 20. 8 28 1 160 0 J v 2,23 0 J v ^"HKSB r : ifetHGg V 0- 2 2- 4 0- 2 2- 4 0- 2 2- 4 0- 2 2- 4 0- 2 2- 4 0- 2 2- 4 0- 2 2- 4 0- 2 2- 4 0- 2 2- 4 0- 2 2- 4 0- 2 2- 4 0- 2 2- 4 , \- \^ KBFES83SKE S - - ',; :

. . . " . ' * ' • • 1 i • • Ref. 17,pp . 3-11,21 , 2 2

Re t 17,pp . 3-11,21,2 2

Ref. 17,pp . 3-11,21 , 2 2 Re£17,pp . 3-11,2

2

Ref . 17 , pp . 3-11 , 2 1

Ref . 17,pp . 3-11,21,2 2

Ref . 17,pp.3-ll,21,2 2

Ref . 17,pp.3-ll,21,2 2

Ref. 17,pp . 3-11,21 , 2 2

Ref . 17 , pp . 3- 1 1,2 1 Ref.l7,pp.3-ll,21,2 2

Ref . 17 , pp . 3- 1 1,2 2

J v Estimate d concentration . Biased low .

MR S Documentatio n Recor d 05/03/00 

### 1 5 Palmer Barg e Lin e Sit

e TXD06810456 1 

# 000 6 1 9Sourc e 1 : Contaminate d Soils - Wastewate r AST s S D - Hazardou s Substance s Associated wit h aSourc e BACKGROUN D SOI

L SAMPLES (Continued )

; - SteSfiSHCt

f

Manganes e

Mercur y

Nicke l

Seleniu m

Silver

Thalliu m

Vanadiu m

Zin c 

## r««t e MFJT92/03 3 MFrT9U03 2 MFJT92/03 3 MFJT93/03 3 MFJT9Q/03 2 MFJT91/03 2 MFJT90/03 2 MFJT91/03 2 MFJT90/03 2 MFJT91/03 2 MFTT90/03 2 MFJT91/03 2 MFTO2/03 3 MFJT93/03 3 MFn92/03 3 MFJT91/03 2 BAI E 10/06/9 9 10/06/9 9 10/06/9 9 10/06/9 9 10/06/9 9 10/06/9 9 10/06/9 9 10/06/9 9 10/06/9 9 10/06/9 9 10/06/9 9 10/06/9 9 10/06/9 9 10/06/9 9 10/06/9 9 10/06/9 9 l aing/k g 33 1 66 4 ND(0.06 ) ND(O.OT ) 9. 6 12. 6 0.47 0.6 7 ND (0.09 ) 0.3 2 Jv ND(0.43 ) ND(0.53 ) 10. 3 2 5 49. 5 Jv 185J v 

# ^S > 0- 2 2- 4 0- 2 2- 4 0- 2 2- 4 0- 2 2- 4 0- 2 2- 4 0- 2 2- 4 0- 2 2- 4 0- 2 2- 4 , jriiifeia ^ ; . . Ref . 17,pp . 3-11,21,2 2

Ref . 17,pp.3-ll,2 2

Ref . 17,pp . 3-11,2 1

Ref . 17 , pp . 3-11 , 2 1

Ref . 17 , pp . 3-11,2 1

Ref. 17,pp . 3-11,2 1

Ref . 17 , pp . 3- 1 1,2 2

Ref . 17,pp.3-ll,2 1

2. 2 Estimate d concentration . Biase d low . SOURC E CHARACTERIZATIO N Informatio n pertainin g t o Sourc e 1 , contaminate d soil s associate d wit h th e fou r wastewate r

abov e groun d storag e tank s (ASTs) , i s provide d i n th e followin g paragraphs . 2.2. 1 Sourc e Identificatio n Numbe r o f th e source : 1 Nam e an ddescriptio n o f

th e source : Contaminate d soil s a t th e wastewate r

AST s Soi l contaminatio n ha s bee n identifie d i n th e are ao f th e fou r wastewate r

AST s locate d i n th e northeaster n portio n o f th e site . Thi s sourc e will b e classifie d an d evaluate d a s th e HR S sourc e typ e "contaminate d soils. " Th e contaminate d soil i s believe d t o b e th e resul t o f release s o f

hazardou s substance s fro mth e fou r AST s o r

othe r chemica l handlin g at

th e site . Th e AST s wer e use d fo r bul k material s storag e durin g barg e cleanin g operation s an d

HR S Documentatio n Record 05/03/0 0 

### 1 6 Palmer Barg e Lin e Sit

e TXD06810456 1 

# 00062 0Sourc e 1 : Contaminate dSoils-Waste water ASTs S D - Hazardou s Substance s Associatedwit h aSourc e 

### are believe dto b e ful l o f

unknow n liquid s (Ref

. 5 , p . 8 ; Ref . 9 , p . 7) . Th e base s o f th e tank s are ruste dan d1 foo t o f oil y liqui dwa s observe dinsid e th e ber mdurin g asit

e visit conducte di n 1998 , althoug h n o free-standin g liqui dor staine dsoi l wer e note dh i thi s are adurin g fiel d activitie s conducte dh i Octobe r 199 9 (Ref . 9 , p . 7) . Locatio n o f

th e sourc e with referenc e t o ama p o f th e site : Contaminate dsoil i s locate di n th e are ao f th e fou r wastewate r

AST s i n th e northeaster

n portio n o f

th e Pakne

r site , immediately nort

h o f th e grave l parkin g are aa s depicte do n Figure A- 5 o f Attachmen t

A (th e 25,00 0 gallon tan k i n thi s are ai s identifie da s Tan k 102) . Th e are ao f

thi s sourc e i s define db y th e location s o f sample s 001 , 002 , 003 , 004 , 005 , and00 6 (Ref

. 11 , pp . 1-9 , 13 , 25 ; Ref. 12 , pp . 1-8 , 9 , 14-15 , 24 ; Ref. 13 , pp . 2-3) , whic h ar e show n o n Figur

e A- 5 o f Attachmen t

A . Containment : Ga s releas e t o air : Th e ai r migratio n pathwa y wa s no t scored ; therefore , ga s containmen t wa s no t evaluated . Particulat e releas e to air : Th e air migratio n pathway wa s no t scored ; therefore , paniculat e containmen

t wa s no t evaluated . Releas e t o groun dwate r Th e groun dwate r

pathwa y wa s no t

scored ; therefore , groun dwate r containmen t

wa s no t evaluated . Releas e b y overlan dflo w migratio n and/o r flood : Portion s o f

thi s contaminate dsoil sourc e ar e locate dwithi n a n earthe n berm(Ref

. 9 , p . 7 ) tha

t surround s th e wastewater ASTs , but

th e contaminate dsoi

l als o extend s outsid

e th e are aencompasse db y thi s containment structure . Considerin g tha t th e analytical result s obtaine dfro msoil sample s collecte ddurin g th e 199 9 ES I reveale dth e presenc e o f metal s a t elevate dconcentration s outside o f th e berm (Ref . 11 , pp . 13 , 25 ; Ref . 12 , pp . 14-18 ) an dtha t n o containmen t

structure s are presen t

t o limi t th e migratio n o f hazardou s substance s already outsid e th e berm, acontainmen t facto r valu e o f 1 0 wil l b e assigne dto thi s sourc e (Ref . 1 , Tabl e 4-2) . 2.2. 2 Hazardou s Substance s Associate d wit h aSourc e Th e hazardou s substance s liste dbelo w were detecte di n soi l sample s collecte ddurin g th e Octobe r 199 9 ES I b y a contracto r under th e directio n o f

th e Unite dState s Environmental Protectio n Agenc y (USEPA ) Regio n 6 . A tota l o f seve n shallo w soil boring s (station s 00 1 throug h 007 ) wer e complete daroun dth e fou r wastewate r

AST s (Ref. 9 , p . 32) . Fro meach soi l boring , on e surfac e soi l sampl e wa s collecte dfro madept h o f 0 t o 2 fee t

belo w groun d surfac e (bgs ) an dasecon dsampl e wa s collecte dfro madepth o f 2 t o 4 fee t

bg s (Ref. 6 , pp . 10-13 ; 9 , p . 32) . Th e analytical result s presente di n Tabl e 1 are evidenc e o f th e contaminatio n associate dwit h Sourc e 1 , contaminate d soil s associate dwit

h th e wastewater

ASTs . Sourc e sampl e location s are presente do n Figur e A- 5 o f Attachmen t A 

### Analysi s o f

thes e samples , conducte dthroug h th e USEPA CLP , indicate dth e presenc e o f antimony , barium , cadmium , copper , iron , lead , an dzinc (Ref. 11 , pp . 13 , 25 ; Ref . 12 , pp . 14-18) . Sampl e quantitatio n limit s (SQLs ) wer e calculate dfo r

eac h hazardou s substanc e an dsample . Th e SQL s wer e use dfo r compariso n purpose s i n orde r HR S Documentatio n Recor

dPalme r Barg e Lin e Site 05/03/0 0 1 7 TXD06S10456 1 

# 0006? !Sourc e 1 : Contaminate dSoil s - Wastewater AST s S D - Hazardou s Substance s Associated with aSourc e to establis h th e presenc e o f CERCLA-eligible hazardou s substances . SQ L calculation s are include da s Referenc e 13 . QA/Q C summar

y forms , resul t

summaries , an dchai n o f custody form s fo r

sample s associate d wit h Sourc e 1 ar e include da s Reference s 11 , an d12 .

HR S Documentatio n Recor dPalmer Barg e Un e Sit

e 05/03/0 0 1 8 TXD06810456 1 

# 00062 2Sourc e 1 : Contaminate d Soil s - Wastewate r AST s S D - Hazardou s Substance s Associate d wit h aSourc e TABL E 1 HAZARDOU S SUBSTANCES ASSOCIATE D WITH SOURC

E 1 

# N * r <Y ? Antimon y Bariu m

Cadmiu m

Chromiu m

Coppe r

Iro n * * ^ ^' ' MFJT43/00 3 MFJT43/00 3 MFJT40/002 MFJT43/00 3 MFJT42/00 3

' 'MFJT45/00

4 " " MFJT40/002 MFJT42/00 3 MFJT44/00

4 MFJT40/002 MFIT42/00 3 MFJT37/00 1 MFJT40/002 MFJT42/00 3 MFJT44/00

4 MFJT46/00 5 MFJT48/00 6 

# V : 

# \- r

10/04/9 9 10/04/9 9 10/04/9 9 10/04/9 9 10/04/9 9 10/04/9 9 10/04/9 9 10/04/9 9 10/04/9 9 10/05/9 9 10/04/9 9 10/05/9 9 10/04/9 9 10/04/9 9 10/04/9 9 10/04/9 9 10/04/9 9 : : ' ' ft** *

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# 'v /;:: 

# 'V;\;^V , ^I,I, v *

Re f 12 , pp . 1-13 , 15,31;Ref . 13 , p . 1 4 Re£12 , pp . 1-13 , 15 , 31 ; Ref. 13 , p . 1 4 Ref 12 , pp . 1-8 , 9 , 14 , 15 , 24 ; Ref . 13 , pp . 2-3 , 1 4

Ref. 11 , pp . 1-9,13,25 ; Ref . 12 , pp . 1-10, 14-18,24 ; Ref. 13 , pp . 1- 3

Ref . 11 , pp . 1-9,13,25 ; Ref . 12 , pp . 1-9 , 14-18,24 ; Re f 13 , pp . 1- 3 Ref . ll.pp . 1-9,13,25 ; Ref . 12 , pp . 1-9 , 14-18,24 ; Ref . 13 , pp . 1- 3

I Estimate d concentratio n J v Estimate d concentration . Lo w bias . BG S Belo w groun dsurface .

HR S Documentatio n Recor d 05/03/0 0 

### 1 9 Palme r Barg e Lin e Sit

e TXD06810456 1 

# 00062 3Sourc e 1 : Contaminate dSoil s - Wastewater AST s S D - Wast e Characteristic s TABL E 1 (Continued ) HAZARDOU S SUBSTANCE S ASSOCIATE D WITH SOURC E 1

: - SUBSTANCE

- ... . ' : * * % i *

Lea d

Zin c • ' . . &*MEtEK k : MFJT37/00 1 MFJT40/002 MFJT42/00 3 MFJT44/00 4 MFJT37/00 1 MFJT40/002 MFJT42/00 3 MFJT44/00 4 MFJT45/00 4 , 1>A5

E

10/05/9 9 10/04/9 9 10/04/9 9 10/04/9 9 10/04/9 9 10/05/9 9 10/04/9 9 10/04/9 9 10/04/9 9 

### sste^HtRA-not

f \femg*g 48. 8 327 42 5 40 94. 5 J 23 0 J v 65 6 J v 73. 4 J v 2,28 0 Jv Dfcrii i

, {** * ; BG&) 0- 2 0- 2 0- 2 0- 2 0- 2 0- 2 0- 2 0- 2 2- 4 • * *#, ,

1.1 0 1.1 2 1.1 4 1.1 9 4.4 0 4.4 7 4.5 7 4.7 7 5 , ! ItpttiktlKfifyf K Ref . 11 , pp . 1-9,13,25 ; Ref . 12 , pp . 1-9 , 14-18,24 ; Ref . 13 , pp . 1- 3

Ref. 11 , pp . 1-9,13,25 ; Ref . 12 , pp . 1-9 , 14-18,24 ; Ref . 13 , pp . 1-3,1 4

J Estimate dconcentration . Jv Estimate dconcentration . Lo w bias . ^ Estimate dconcentration . Hig h bias . BG S Belo w groun dsurface . 2.2. 3 Identify Hazardou s Substance s Availabl e t o aPathwa y Becaus e containmen t

fo r Sourc e 1 i s greate r

tha n 0 , th e followin g substance s associate d wit h Sourc e 1 ar e availabl e t o th e surfac e wate r

pathway : Antimon y Cadmiu m Iro n Bariu m Chromiu m Lea d Coppe r Zin c Locally , surface wate r

run-of f fro mth e Palme r

site discharge s directl y int o Sabin e Lake (Ref. 9 , p . 78) . Sabin e Lak e i s locate dapproximatel y 8 0 fee t eas t o f th e locatio n o f

th e fou r wastewate r

ASTs , a s illustrate d o n Figure A- 3 o f Attachment

A . 

### 2. 3 LIKELIHOO D O F RELEAS E Refe r t o Sectio n 4. 1 o f

thi s documentatio n recor dfo r specifi c informatio n relate dt o sample s tha t mee t th e criteri a fo r a n observe dreleas e t o th e surfac e wate r migratio n pathway . 2. 4 WAST E CHARACTERISTIC S Specifi c factor s relate dt o waste characteristic s associate dwit h Sourc e 1 ar e presente di n th e subsection s below . HR S Documentatio n Recoi d 05/03/0 0 

### 2 0 Palme r Barg e Lin e Site TXD06810456 1 

# 00062 4Sourc e 1 : Contaminate dSoil s - Wastewate r AST s S D - Wast e Characteristic s 

### 2.4. 1 Selectio n o f

Substanc e Potentiall y Posin g Greates t Hazar d Th e hazardou s substance s associate dwit h Sourc e 1 are presente di n Tabl e 1 . Fo r th e surfac e wate r

migratio n pathwa y (an dthreats) , th e selectio n o f th e substanc e tha t

potentiall y pose s th e greates t hazardi s base do n th e toxicity facto r valu e combine dwit

h it s mobility , persistence , and/o r bioaccumulatio n potential facto r value s (Ref

. 1 , Sec . 2.4.1) . Th e substance(s ) selecte da s potentiall y posin g th e greates t hazardfo r

th e pathwa y (threat) will b e use di n evaluatin g th e wast e characteristic s categor y o f th e pathwa y (threat) (Ref . 1 , Sec . 2.4.1) . Th e substanc e associate d wit h Sourc e 1 potentiall y posin g th e greates t hazardi s lead . Se e section s 4.1.3. 2 an d4.1.4. 2 o f thi s document . Man y o f th e same substance s hav e bee n identifie di n eac h o f th e te n source s bein g evaluate dfo r th e Palme r

site . ••Rather tha n reproducin g asimila r tabl e fo r eac h source , acomprehensiv e lis t o f substance s foun di n Source s 1 throug h 1 0 ha s bee n produce dhere i n order t o evaluate th e substanc e tha t potentiall y pose s th e greates t hazard . TABLE 2 TOXICITY , PERSISTENCE , AND BIOACCUMULATIO N FACTO R VALUE S

• • - ^ \v Aluminu m Antimon y Arseni c Bariu m Cadmium Chromiu m Cobal t Coppe r Cyanid e Iro n Lea d Magnesium Mercur y Nickel Zin c 

### .'^

r

— 10,00 0 10,00 0 10,00 0 10,00 0 10,00 0 

### 1

— 10 0 1 10,00 0



### — 10,00 0 10,00 0 1 0 

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1 1 1 • 1 1. 0 

### 1 1 1 0.070 0 1 

### 1 1 

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j (Sd $ 5 0 0. 5 50 0 0. 5 500 0 500 0. 5 50,00 0 5 0 0. 5 5,00 0 0. 5 50,00 0 500 50,00 0 

### «&5*B*GL#»GN ; \- " i!



### -

^JH****^* *

5 0 5 500 0. 5 500 0 500 5,00 0 50,00 0 50,00 0 0. 5 5,00 0 0. 5 50,00 0 50 0 50,00 0 Toxicity , persistence , an dbioaccumulatio n facto r value s ar e fro mSCD M (Ref

. 2) .

HR S Documentatio n Recor

d 05/03/0 0 

### 2 1 Palme r Barg e Line Sit

e TXD06810456 1 

# 00062 5Sourc e 1 : Contaminate d Soil s - Wastewater AST s S D - Wast e Characteristic s 

### 24. 2 Hazardou s Wast e Quantit y 2.4.2. 1 Sourc e Hazardou s Wast e Quantit y 2.4.2.1. 1 Hazardou s Constituen t Quantit y (Tie r

A ) - No t Calculate d Th e hazardou s constituent

quantit y i s no t available ; therefore , i t

i s no t possibl e to adequately determin e ahazardou s constituen t

quantity (Tie

r A ) fo r Sourc e 1 (Ref. 1 , Sec . 2.4.2.1.1) . A s aresult , th e evaluatio n o f hazardou s wast e quantit y proceed s t o th e evaluatio n o f Tier B , hazardou s wast e strea mquantit y (Ref . 1 , Sec . 2.4.2.1.2) . 2.4.2.1. 2 Hazardou s Wastestrean i Quantit y (Tie r B ) - No t Calculate d Th e hazardou s wastestrea

mquantit y i s no t available ; therefore , i t

i s no t possibl e to adequatel y determin e ahazardou s wastestrea mquantity (Tie

r B ) fo r Sourc e 1 (Ref. 1 , Sec . 2.4.2.1.2) . A s aresult , th e evaluatio n o f hazardou s waste strea mquantit y proceed s t o th e evaluatio n o f Tie r C , volum e (Ref. 1 , Sec . 2.4.2.1.3) . 2.4.2.1. 3 Volum e (Tie r C ) - No t Calculate d Th e volum e o f

contaminate dsoil s associate dwit h Sourc e 1 i s no t available ; therefore , i t

i s no t possibl e to adequatel y determin e avolum e (Tier

C ) fo r Sourc e 1 (Ref. 1 , Sec . 2.4.2.1.2) . A s aresult , th e evaluatio n o f hazardou s wast e strea mquantit y proceed s t o th e evaluatio n o f Tie r D , are a(Ref. 1 , Sec . 2.4.2.1.4) . 2.4.2.1. 4 Are a(Tie r D ) Th e are ao f

contaminate dsoil s associate dwit h Sourc e 1 wil l b e evaluate db y estimatin g th e surfac e are adelineate d b y th e soi l sampl e location s with analytical result s indicatin g observe dcontamination . Th e are ao f soil contaminatio n wil l b e define da s th e tota l are alyin g betwee n sample s 001 , 002 , 003 , 004 , 005 , an d006 , a s show n o n Figure A- 5 o f Attachmen t

A (Ref. 14 , p . 10) . Th e sourc e are awa s measure db y connectin g th e soi l sampl e location s havin g analytica l result s indicatin g th e presenc e o f hazardou s substance s exceedin g th e sampl e quantitatio n limit s (SQLs) . Thi s polygonal are awa s trace dfro mascale dsite ma p an dmeasure dusin g AutoCA D Releas e Versio n 14. 0 (Ref . 15 , pp . 1-3 ) t o determin e th e sourc e area . Accordin g t o th e HR S Rule , avalu e fro mTabl e 2- 5 i s assigned fo r th e sourc e typ e "contaminate dsoils " base do n th e are ao f th e source , a s measure di n square feet , an ddivide db y afacto r o f 34,00 0 (Ref . 1 , Sec . 2.4.2.1.4 , Tabl e 2-5) . Th e calculate dapproximat e surfac e are ao f th e Sourc e 1 contaminate d soi l equal s 5,59 2 square feet . Are ao f Sourc e 1 : 5,59 2 square fee t Valu e Assigned Are a(fro mHR S Tabl e 2-5) : 0.1 6

HR S Documentatio n Recor d 05/03/0 0 2 2 Palmer Baig e Lin e Sit

e TXD06810456 1 

# 00062 6Sourc e 1 : Contaminate d Soil s - Wastewate r AST s S D - Wast

e Characteristic s 

### 2.4.2.1. 5 Sourc e Hazardou s Wast e Quantit y Valu e Accordin g to th e HR S Rule , th e highes t o f th e value s assigne dto eac h sourc e fo r hazardou s constituent

quantit y (Tie r A) , hazardou s wastestrea mquantit y (Tie r B) , volume (Tie

r C) , an dare a(Tie

r D ) shoul db e assigneda s th e sourc e hazardou s wast e quantit

y value . A s such , are a(Tier D ) wa s th e onl y tie r

evaluate dfo r

Sourc e 1 . Therefore , th e are awill b e assigne da s th e sourc e hazardou s wast e quantity valu e fo r Sourc e 1 (Ref. 1 , Sec . 2.4.2.1.5) .

> ; s 

### , $ v- " | \3teBvSSfcrtwl

' A B C D Sonne t VaUtt j , \° ^ ^ ME N E ME 0.1 6 N E = No t

Evaluate d



# 00062 7

HR S Documentatio n Record 05/03/0 0 2 3 Palme r Barg e Line Sit

e TXD06810456 1Source 2 : Contaminate dSoils - Boile r Hous e AST s SOURC E DESCRIPTIO N 2. 2 SOURC E CHARACTERIZATIO N Informatio n pertainin g to Sourc e 2 , contaminate dsoil s associate dwit h th e boile

r hous e ASTs , i s presente di n th e followin g paragraphs . 2.2. 1 Sourc e Identificatio n Numbe r o f th e source : 2 Nam e an d descriptio n o f

th e source : Contaminate dsoi l i n th e boiler hous e AS T area . Soi l contaminatio n ha s bee n identifie di n th e are ao f th e boile r hous e AST s locate dhi th e southwester n portio n o f

th e site . Thi s sourc e wil l b e classifie dan d evaluate da s th e HR S sourc e typ e "contaminate dsoils. " Th e contaminate d soi l i s believedto b e th e result o f release s o f

hazardou s substance s fro mth e fou r AST s o r othe r chemica l handlin g a t th e site . Thre e o f

th e fou r AST s wer e use dt o stor e liquid s a s afue l sourc e fo r tw o boiler s t o produc e stea m durin g sit e operations . Th e fourth AS T wa s reportedl y use d fo r fres h wate r

storage . Numerou s pipe s an d valve s wer e observe dt o connec t th e ASTs , som e o f

whic h wer e reporte dt o hav e leake dt o th e surroundin g soi l (Ref . 9 , p . 8) . I t i s believe dtha t

diese l an dothe r

petroleum-typ e product s wer e store di n th e AST s (Ref. 5 , pp . 5 , 8 ; Ref. 6 , p . 8) . Locatio n o f

th e sourc e with referenc e t o amap o f th e site : Thi s contaminate dsoil sourc e i s locate di n th e are ao f th e boile r hous e AST s i n th e southwestern portio n o f th e Palme r site , near

th e southern propert y boundar y a s depicte do n Figure A- 5 o f Attachmen t

A . Th e are ao f

thi s sourc e i s define db y th e location s o f sample s 008 , 009 , 010 , Oil , 012 , an d 01 3 (Ref. 13 , pp . 4-6 ; Ref. 17 , pp . 1-10 , 12-17 , 21) , whic h are show n o n Figure A- 5 o f Attachmen t

A . Containment : Ga s releas e t o air : Th e ai r migratio n pathwa y wa s no t scored ; therefore , ga s containmen t wa s no t evaluated . Particulat e releas e t o air : Th e ai r migratio n pathwa y wa s no t scored ; therefore , paniculat e containmen t wa s no t evaluated . Releas e t o groun dwate r Th e groun dwate r

pathwa y wa s no t

scored ; therefore , groun dwate r containmen t

wa s no t evaluated . Releas e b y overlan dflo w migratio n and/o r flood : Th e laborator

y analytica l result s fro msurfac e an d subsurfac e soi l samplin g conducte ddurin g th e 199 9 ES I reveale dth e presenc e o f metal s i n th e soil s surroundin g th e boile r hous e AST s (Ref. 17 , pp . 1-8 , 12-17) . Ther e ar e n o containmen

t feature s t

o limit the migratio n o f

hazardou s substance s associate dwith th e contaminate dsoi l source . Therefore , thi s sourc e wil l b e assigne dacontainmen t facto r valu e o f 1 0 (Ref. 1 , Tabl e 4-2) .

HR S Documentatio n RecordPalmer Barg e Lin e Sit

e 05/03/0 0 2 4 TXD06810456 1 

# 00062 8Sourc e 2 : Contaminate d Soil s - Boile r Hous e AST s 

### 2.2. 2 Hazardou s Substance s Associate dwit h aSourc e Th e hazardou s substance s listed belo w wer e detecte d i n soil sample s collecte d durin g th e Octobe r 199 9 ES I b y a contracto r under th e directio n o f

th e USEP

A Region 6 . Th e analytical result s presente d i n Tabl e 3 are evidenc e o f th e contaminatio n associate d wit h Sourc e 2 . Si x shallo w soi l boring s (station s 00 8 throug h 013 ) wer e advance d aroun dth e boile

r hous e ASTs . A total o f si x surfac e soi l sample s (on e fro meac h station ) wer e collecte d fro ma dept h o f 0 t o 2 fee t

bgs . Tw o subsurfac e soil sample s wer e collecte d fro madept

h o f 2 t o 4 fee t

bgs ; on e each fro m station s 01 2 an d01 3 (Ref. 9 , p . 34) . Soi l sampl e location s associate d wit h Sourc e 2 are presente d o n Figur e A- 5 o f Attachmen t

A . Analysi s o f

thes e samples , conducte d throug h th e USEPA CLP , indicate d th e presenc e o f aluminum , antimony , arsenic , barium , cadmium , chromium , cobalt , copper , iron , lead , magnesium , mercury , nickel , an dzin c (Ref. 17 , pp . 1-8) . SQL s wer e calculate d fo r eac h hazardou s substanc e an d sample . Th e SQL s wer e use d fo r compariso n purpose s i n orde r

to establis h th e presenc e o f CERCLA-eligibl

e hazardou s substances . SQ L calculation s are include da s Referenc e 13 . QA/QC summary forms , resul t summaries , an dchai n o f custody form s fo r

sample s associate d wit

h Sourc e 3 ar

e include d a s Reference s an d17 .

HR S Documentatio n Recor d Palme r Barg e Line Sil

t 05/03/0 0 2 5 TXD06810456 1 

# 00062 9Sourc e 1 : Contaminate d Soil s - Boile r Hous e AST s S D - Hazardou s Substance s Associated wit h aSourc e TABLE 3 HAZARDOU S SUBSTANCE S ASSOCIATE D WITH SOURC E 2 i " SBB8aXNe&

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Antimon y

Arseni c

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10/06/9 9 10/06/9 9 10/06/9 9 10/06/9 9 10/06/9 9 10/06/9 9 10/06/9 9 10/06/9 9 10/0679 9 10/06/9 9 10/06/9 9 10/06/9 9 10/06/9 9 10/06/9 9 10/06/9 9 10/06/9 9 10/06/9 9 10/06/9 9 10/06/9 9 N~

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Re f 13 , pp . 4-6 , 14;Ref.l7 , pp . 1-10,12-17,2 1

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Ref . 13 , pp . 4-6 , 14 ; Ref . 17 , 1-10,12-17,2 1

Re f 13 , p . 6 ; Ref . 17,1-8 , 16,2 1 1 Estimate d concentration . J v Estimate d concentration . Lo w bias . BG S Below groun dsurface .

MR S Documentatio n Recor d 05/03/0 0 2 6 Palme r Barg e Lin e Sit

e TXD06810456 1Sourc e 2 : Contaminate dSou s - Boile r Hous e ASTs S D - Hazardou s Substance s Associate dwit h aSourc e TABL E 3 (Continued ) HAZARDOU S SUBSTANCES ASSOCIATE D WITH SOURC E 2 

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•. ^ % ,s s • • s v;« v -\^ s Ref . 13 , p . 14 ; Ref . 17 , pp . 3-1 0 Ref . 13 , pp . 4-6 , 14 ; Ref . 17 , pp . 1-10 , 12-17 , 2 1

Ref . 13 , p . 6 , 14 ; Ref . 17 , 1

- 10,16,2 1 Ref . 13 , pp . 4-6 , 14 ; Ref . 17 , pp . 1-10 , 12-17,2 1

Ref . 13 , pp . 4-6 , 14 ; Ref . 17 , pp . 1-10 , 12-17,2 1

J Estimate dconcentration . Jv Estimate dconcentration . Lo w bias . JAEstimate dconcentration . High bias . BG S Belo w groun dsurface . HR S Documentatio n Recor

d 05/03/0 0 2 7 Palme r Barg e Lin e Sit

e 1XD06810456 1 

# 00063 1Sourc e 2 : Contaminate dSoil s - Boile r Hous e AST s S D - Hazardou s Substance s Associatedwit h aSourc e TABL E 3 (Continued ) HAZARDOU S SUBSTANCE S ASSOCIATED WITH SOURC E 2

, SBBSKHfBS E

Lea d

Magnesiu m

Mercui y

Nicke l

Zinc v - , SASHIJSI D

MFJT51/00 8 MFJT52/009 MFJT53/01 0 MFJT54/01 1 MFJT55/01 2 MFJW20/01 2 (dup ) MFJT58/01 3 MFJT52/009 MFJT55/01 2 MFJW20/01 2 (dup ) MFJT51/00 8 MFJT52/009 MFJT53/01 0 MFJT54/01 1 MFJT55/01 2 MFJW20/012(dup ) MFJT38/01 3 MFJT5 1/00

8 MFJT52/009 MFJT53/01 0 MFJT54/01 1 MFJT55/01 2 MFJW20/012(dup ) MFJT58/01 3 ; BAT E

10/06/9 9 10/06/9 9 10/06/9 9 10/06/9 9 10/06/9 9 10/06/9 9 10/06/9 9 10/06/9 9 10/06/9 9 10/06/9 9 10/06/9 9 10/06/9 9 10/06/9 9 10/06/9 9 10/06/9 9 10/06/9 9 10/06/9 9 10/06/9 9 10/06/9 9 10/06/9 9 10/06/9 9 10/06/9 9 10/06/9 9 10/06/9 9 

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f falHgjifeg 42 7 41 2 72. 7 17 2 5,05 0 1,53 0 J 28 2 J 1,96 0 J v 5,03 0 J v I.7J v 21. 9 50. 8 11. 9 13. 6 12 5 12 9 J 19. 2 J 664 J v 84 3 J v 360 J v 40 5 J v 3,95 0 J v 7,08 0 Jv 55 4 Jv "jjfifcljt-"

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L te, - L,J_A

_ njg* » l.l l 1.0 7 1.1 1 1.05 1.2 3 1.4 0 1.0 8 1,075 . 2 1,23 0 0.1 4 8.9 3 8.60 8.90 8.4 6 9.8 4 11.2 6 8.6 4 4.4 6 4.3 0

• 4.44 4.2 3 4.9 2 5.6 3 43 2 U

- 8EH3H£NC$ S -

Ref . 13 , pp . 4-6 , 14 ; Ref . 17 , pp . 1-10,12-17,2 1

Ref . 13 , pp . 4-6 ; Ref . 17 , pp . 1-8,12-16,2 1

Ref. 13 , p . 14 ; Ref. 17,pp . 3-1 0 Re f 13 , pp . 4-6 , 14 ; Ref . 17 , pp . 1-10,12-17,2 1

Re f 13 , pp . 4-6 ; Ref . 17 , pp . 1-810,12-17,2 1

I Estimate dconcentration . J v Estimate dconcentration . Lo w bias . J * Estimate dconcentration . Hig h bias . BG S Belo w groun dsurface . 

# 00063 2 HR S Documentatio n Recor

d 05/03/0 0 2 8 Palme r Barg e Lin e Sit

e TXD06810456 1Sourc e 2 : Contaminate dSoil s - Boile r Hous e ASTs S D - Wast e Characteristic s 

### 2.2. 3 Identif

y Hazardou s Substance s Availabl e t o aPathwa y Becaus e containmen t

fo r Sourc e 2 i s greater

tha n 0 , th e followin g substance s associate dwith Sourc e 2 are available t o th e surfac e wate r

pathway : Aluminu mAntimon y Arseni c Bariu mCadmiu mChromiu m Cobalt Coppe r Iro n Lea dMagnesiumMercur y Nicke l Zin c Locally , surfac e wate r

run-of f fro mth e Palme r

sit e discharge s directly into Sabin e Lak e (Ref. 9 , p.78) . Sabin e Lak e i s locate dapproximatel y 32 0 fee t eas t o f th e fou r boile r hous e ASTs , a s illustrate do n Figure A- 3 o f Attachmen t

A 2. 3 LIKELIHOO D O F RELEAS E Refe r t o Sectio n 4. 1 o f

thi s documentatio n recordfo r specifi c informatio n relate dt o sample s that mee t th e criteri a fo r an observe dreleas e t o th e surfac e wate r migratio n pathway . 2. 4 WAST E CHARACTERISTIC S Specifi c factor s relate dt o wast e characteristic s associate dwit h Sourc e 2 ar e presente di n th e subsection s below . 2.4. 1 Selectio n o f

Substanc e Potentiall y Posin g Greates t Hazar d Presente di n Tabl e 3 ar e th e hazardou s substance s associate dwith Sourc e 2 . Man y o f th e same substance s hav e bee n identifie di n eac h o f

th e te n source s bein g evaluate dfo r th e Palmer

site . Rather

than reproducin g asimila r tabl e fo r eac h source , acomprehensiv e lis t ha s bee n produce di n Tabl e 2 (refe r t o pag e 1 9 o f

thi s documentatio n record) . Th e substance(s ) selecte da s potentiall y posin g th e greates t hazardfo r

th e pathwa y (threat ) will b e use di n evaluatin g th e wast e characteristic s categor y o f th e pathwa y (threat ) (Ref . 1 , Sec . 2.4.1) . Th e substanc e associate dwit h Sourc e 2 potentiall y posin g th e greates t hazardi s mercury . Se e section s 4.1.3. 2 an d4.1.4. 2 o f thi s document . 2.4. 2 Hazardou s Wast e Quantit y 2.4.2. 1 Sourc e Hazardou s Wast e Quantit y 2.4.2.1. 1 Hazardou s Constituen t Quantit y (Tie r

A ) - No t Calculate d Th e hazardou s constituen t quantit y i s no t available ; therefore , i t

i s no t possibl e to adequatel y determin e ahazardou s constituent quantit y (Tie r A ) fo r Sourc e 2 (Ref. 1 , Sec . 2.4.2.1.1) . A s aresult , th e evaluatio n o f hazardou s wast e quantity proceed s to th e evaluatio n o f Tie r B , hazardou s wastestrea

mquantity (Ref . 1 , Sec . 2.4.2.1.2) .



# 00063 3 HR S Documentatio n Recor

dPalme r Barg e Line Sit

e 05/03/0 0 2 9 TXD06810456 1Sourc e 2 : Contaminate dSoil s -Boiler Hous e AST s S D - Wast e Characteristic s 

### 2.4.2.1. 2 Hazardou s Wastestrea mQuantit y (Tie r B ) - No t Calculate d Th e hazardou s wastestreamquantit y i s no t available ; therefore , i t

i s no t possibl e to adequatel y determin e ahazardou s wastestrea mquantit

y (Tie r B ) fo r Sourc e 2 (Ref.

_1 , Sec . 2.4.2.1.2) . A s aresult , th e evaluatio n o f hazardou s wastestrea mquantity proceed s t

o th e evaluatio n o f

Tier C , volume (Ref. 1 , Sec . 2.4.2.1.3) . 2.4.2.1. 3 Volum e (Tie r C ) - No t Calculate d Th e volum e o f

contaminate dsoil s associate dwith Sourc e 2 i s no t available ; therefore , i t

i s no t possibl e to adequatel y determine avolum

e (Tie r C ) fo r Sourc e 2 (Ref . 1 , Sec . 2.4.2.1.2) . A s aresult , th e evaluatio n o f hazardou s wastestreamquantit y proceed s t o th e evaluatio n o f Tie r D , are a(Ref. 1 , Sec . 2.4.2.1.4) . 2.4.2.1. 4 Are a(Tie r D ) Th e are ao f

contaminate dsoil s associate dwith Sourc e 2 wil l b e evaluate db y estimatin g th e surfac e are adelineate d b y th e soil sampl e location s with analytical result s indicatin g observe dcontamination . Th e are ao f soil contaminatio n will b e define da s th e total are alyin g betwee n thes e sample s locations , whic h includ e sample s 008 , 009 , 010 , Oil , 012 , an d01 3 show n o n Figur e A- 5 o f Attachmen t

A (Ref. 14 , p . 10) . Th e sourc e are awa s measure db y connectin g th e soi l sampl e location s havin g analytica l result s indicatin g th e presenc e o f

hazardou s substance s exceedin g th e sampl e quantitatio n limit s (SQLs) . Thi s polygonal are awa s trace d fro mascaledsit

e ma p an dmeasure dusin g AutoCAD Releas e Versio n 14. 0 (Ref. 15 , pp . 1-3 ) t o determin e th e sourc e area . Accordin g t o th e HR S Rule , avalu e fro mTabl e 2- 5 i s assigne dfo r th e sourc e typ e "contaminate dsoils " base do n th e are ao f

th e source , a s measure di n squar e feet , an ddivide db y afacto r o f 34,00 0 (Ref. 1 , Sec . 2.4.2.1.4 , Tabl e 2-5) . Th e calculate dapproximat e surfac e are ao f th e contaminate dsoi l at

Sourc e 2 equal s 59 6 squar e feet . Are ao f Sourc e 2 : 59 6 squar e fee t Valu e Assigne dAre a(fro mHR S Tabl e 2-5) : 0.01 8 2.4.2.1. 5 Sourc e Hazardou s Wast e Quantit y Valu e Accordin g t o th e HR S Rule , th e highes t o f th e value s assigne dt o eac h sourc e fo r hazardou s constituen t

quantit y (Tie

r A) , hazardou s wastestreamquantit y (Tier B) , volum e (Tie r

C) , an dare a(Tier

D ) shoul db e assigne da s th e sourc e hazardou s waste quantity value . A s .such , are a(Tier D ) wa s th e onl y tie r

evaluate dfo r

Sourc e 2 . Therefore , th e are awil l b e assigne da s th e sourc e hazardou s wast e quantit y valu e fo r Sourc e 2 (Ref

. 1 , Sec . 2.4.2.1.5) .

N E N E N E 0.01 8 N E = No t Evaluate d HR S Documentatio n RecordPalme r Barg e Lin e Sit

e 05/03/0 0 3 0 TXD06810456 1 

# 00063 4Sourc e 3 : Contaminate d Soil s - Open-to p Slo p Tank s S D - Characterizatio n an d Containmen t SOURC E DESCRIPTIO N 2. 2 SOURC E CHARACTERIZATIO N Informatio n pertainin g to Sourc e 3 , contaminate d soil s associate d with th e open-to p slop tanks , i s presente d i n th e followin g paragraphs . 2.2. 1 Sourc e Identificatio n Numbe r o f th e source : 3 Nam e an d descriptio n o f

th e source : Contaminate d soil i n th e open-top slo p tan k area . Soi l contaminatio n ha s bee n identifie di n th e are ao f th e slo p tan k are alocate d wes t

o f th e flare . Thi s sourc e will b e classifie d an d evaluate d a s th e MR S sourc e typ e "contaminate d soils. " Th e contaminate d soil i s believe d to b e th e resul t o f release s o f

hazardou s substance s fro mth e slop tank s o r other chemica l handlin g a

t th e site . Th e fou r

open top slop tank s consis t

o f stee l container s ful l o f

a n oily material . Th e soi l belo w th e slo p tank s i s staine d an d stresse d vegetatio n ha s bee n observe d i n thi s are a(Ref. 9 , p . 8) . Locatio n o f

th e sourc e wit

h referenc e t o ama

p o f th e site : Thi s contaminate d soil sourc e i s locate d i n th e are ao f th e fou r open-to p slop tank s are locate d i n th e wester n portio n o f th e site , approximatel y 15 0 fee t eas t o f Ol d Yach t

Clu b Road , a s depicte d o n Figure A- 5 o f Attachmen t

A Th e are ao f thi s sourc e i s define d b y th e locatio n o f sample s 014 , 015 , 016 , an d 01 7 (Ref. 11 , pp . 1-9 , 14-17 , 25 ; Ref. 13 , pp . 7-9) , whic h ar

e show n o n Figur

e A- 5 o f Attachment

A . Containment : Ga s releas e t o air : Th e ai r migratio n pathwa y wa s no t scored , therefore , ga s containment wa s no t evaluated . Particulat e releas e to air : Th e air migratio n pathwa y wa s no t scored , therefore , paniculat e containmen

t wa s no t evaluated . Releas e t o groun d wate r Th e groun d wate r

pathwa y wa s no t

scored , therefore , groun d wate r containmen t

wa s no t evaluated . Releas e b y overlan d flo w migratio n and/o r flood : Th e laborator

y analytica

l result s obtaine d fro msurfac e soi l samplin g conducte d durin g th e 199 9 ES I indicate d th e presenc e o f severa l metal s i n th e soil surroundin g th e open-to p slop tank s (Ref. 11 , pp . 14-17 , 25) . Th e fou r stee l slop tank s are ope n a t th e top , fille d with a

n oily material , an d hav e n o secondar

y containment

devices . Staine d soil an d stresse d vegetatio n were observe d i n thi s are adurin g th e 199 9 ES I (Ref. 9 , p . 8) . Sinc e there are n o containmen t feature s presen t

to limi t th e migratio n o f

hazardou s substance s fro mth e contaminate d soil source , acontainment facto r valu e o f 1 0 wil l b e assigne d fo r

thi s sourc e (Ref. 1 , Tabl e 4-2) .

HR S Documentatio n Record Palme r Barg e Lin e Sit

e 05/03/0 0 3 1 TXD06810456 1 

# 00063 5Sourc e 3 : Contaminate d Soil s - Open-to p Slo p Tank s S D - Characterizatio n an d Containmen t 

### 2.2. 2 Hazardou s Substance s Associate dwit h aSourc e Th e hazardou s substance s liste d belo w wer e detecte di n soi l sample s collecte d durin g th e Octobe r 199 9 ES I b y a contracto r under th e directio n o f

th e USEP A Regio n 6 . Th e analytica l result s presente di n Tabl e 4 ar e evidenc e o f th e contaminatio n associate dwith Sourc e 3 . Fou r shallo w soi l boring s (station s 01 4 throug h 017 ) wer e advance d aroun dth e open-to p slo p tanks . On e surfac e soi l sampl e wa s collecte dfro meac h borin g statio n at adept h o f 0 t o 2 fee t bg s (Ref. 9 , pp . 35) . Soi l sampl e location s associate dwit h Sourc e 3 are presente do n Figure A- 5 o f Attachmen t

A . Analysi s o f

thes e samples , conducte dthroug h th e USEP A CLP , indicate dth e presenc e o f cobalt , lead , nickel , an d zinc . Th e USEP A Regio n 6 ESAT performe ddat avalidatio n fo r th e ES I dat apackage s prepare db y th e designate d CL P laboratorie s (Ref. 11 , pp . 1-9) . SQL s were calculate dfo r eac h hazardou s substanc e an dsample . Th e SQL s wer e usedfo r

compariso n purpose s i n orde r t o establis h th e presenc e o f CERCLA-eligibl e hazardou s substances . SQ L calculation s are include da s Referenc e 13 . QA/Q C summary forms , resul t summaries * an dchai n o f custody form s fo r sample s associate dwit h Sourc e 3 ar e include da s Reference s 11 . TABLE 4 HAZARDOU S SUBSTANCE S ASSOCIATE D WITH SOURC E 3

: SCBSIANC

E ;

Cobal t

Lea d

Nicke l

Zin c * SAMFLEI D ;

MFJT60/01 4 MFJT60/01 4 MFJT61/01 5 MFJT62/01 6 MFJT63/01 7 MFJT60/01 4 MFJT62/01 6 MFJT63/01 7 MFJT«yoi 4 MFJT61/01 5 MFJT62/01 6 MFJT63/01 7 DA3 B

10/05/9 9 10/05/9 9 10/05/9 9 10/05/9 9 10/05/9 9 10/05/9 9 10/05/9 9 10/05/9 9 10/05/9 9 10/05/9 9 10/05/9 9 10/05/9 9 COffCEN-JRATT O

'f t btug&$ . 57. 6 J 21. 6 13 3 29. 5 39. 9 40 5 Jv 9. 6 J v HJ v 64. 4 J 49 0 J 53 . U 85. 7 J UKF1 H

(feet BGS ) 0- 2 0- 2 0- 2 0- 2 0- 2 0- 2 0- 2 0- 2 0- 2 0- 2 0- 2 0- 2 SQI/

k * IBg % 13.1 4 1.3 1 1.1 4 1.1 6 1.1 7 10. 5 9.3 4 9.4 1 5.2 5 4.5 6 4.67 4.7 0 REEEKEfffiDE S

Ref . 13 , p . 7 ; Ref . 11 , pp . 1-9 , 19,2 5 Ref. 11 , pp . 1-9 , 14-17,25 ; Ref . 13 , pp . 7- 9

Ref . 1 1 , pp . 1-9 , 14 , 16-17,25 ; Ref. 13 , pp . 7- 9

Ref. 11 , pp . 1-9 , 14-17,25 ; Ref. 13 , pp . 7- 9

J Estimate dconcentration . J v Estimate dconcentration . Lo w bias . BG S Belo w groun dsurface .

HR S Documentatio n Recor

d 05/03/0 0 3 2 Palme r Barg e Lin e Site TXD06810456 1 

# 00063 6Sourc e 3 : Contaminate dSoil s - Open-to p Slo p Tank s S D - Wast e Characteristic s 

### 2.2. 3 Identif

y Hazardou s Substance s Availabl e t o aPathwa y Becaus e containmen t

fo r Sourc e 3 i s greater

than 0 , th e followin g substance s associate dwit h Sourc e 3 are available t o th e surfac e wate r

pathway : cobalt , lead , nickel , an dzinc . Locally , surfac e wate r

run-of f fro mth e Palmer

sit e discharge s directl y into Sabin e Lak e (Ref. 9 , p . 78) . Sabine Lak e i s locate dapproximatel y 40 0 fee t eas t o f th e locatio n o f

th e fou r open-top slo

p tank s a s illustrate do n Figur e A- 3 o f Attachment A . 2. 3 LIKELIHOO D O F RELEAS E Refe r t o Sectio n 4. 1 o f

thi s documentatio n recor dfo r specifi c informatio n relate dt o sample s tha t mee t th e criteri a fo r an observe dreleas e t o th e surfac e wate r migratio n pathway . 2. 4 WAST E CHARACTERISTIC S Specifi c factor s relate dt o waste characteristic s associate dwit h Sourc e 3 are presente di n th e subsection s below . 2.4. 1 Selectio n o f

Substanc e Potentiall y Posin g Greates t Hazar d 

### Presente di n Tabl e 4 are th e hazardou s substance s associate dwit h Sourc e 3 . Man y o f th e sam e substance s hav e bee n identifie di n eac h o f

th e te n source s bein g evaluate dfo r th e Palmer

site . Rather

than reproducin g asimila

r tabl e fo r eac h source , acomprehensiv e lis t ha s bee n produce di n Tabl e 2 (refe r to pag e 1 9 o f

thi s documentatio n record) . Th e substance(s ) selecte da s potentiall y posin g th e greates t hazar dfo r th e pathwa y (threat ) will b e use di n evaluatin g th e wast e characteristic s categor y o f th e pathwa y (threat ) (Ref

. 1 , Sec . 2.4.1) . Th e substanc e associate dwit h Sourc e 3 potentiall y posin g th e greates t hazardi s lead . Se e section s 4.1.3. 2 an d4.1.4. 2 o f thi s document . 2.4. 2 Hazardou s Wast e Quantit y 2.4.2. 1 Sourc e Hazardou s Wast e Quantit y 2.4.2.1. 1 Hazardou s Constituen t Quantit y (Tie r

A ) - No t Calculate d Th e hazardou s constituent

quantity i s no t

available ; therefore , i t

i s no t possibl e to adequatel y determin e ahazardou s constituen t quantit y (Tie

r A ) fo r Sourc e 3 (Ref

. 1 , Sec . 2.4.2.1.1) . A s aresult , th e evaluatio n o f hazardou s wast e quantity proceed s to th e evaluatio n o f Tier B , hazardou s wastestrea

mquantity (Ref. 1 , Sec . 2.4.2.1.2) . 2.4.2.1. 2 Hazardou s Wastestrea mQuantit y (Tie r B ) - No t Calculate d Th e hazardou s wastestreamquantity i s no t available ; therefore , i t

i s no t possibl e to adequatel y determin e ahazardou s wastestreamquantity (Tie

r B ) fo r Sourc e 3 (Ref. 1 , Sec . 2.4.2.1.2) . A s aresult , th e evaluatio n o f hazardou s wastestreamquantit y proceed s to th e evaluatio n o f Tier C , volum e (Ref. 1 , Sec . 2.4.2.1.3) .

MR S Documentatio n Recor

dPalme r Barg e Lin e Sit

e 05/03/0 0 3 3 TXD06810456 1 

# 00063 7Sourc e 3 : Contaminate d Soil s - Open-lo p Slop Tank s S D - Wast e Characteristic s 2.4.2.1. 3 Volum e (Tie r C ) - No t Calculate d Th e volum e o f

contaminate dsoil s associate dwit h Sourc e 3 i s no t

available ; therefore , i t

i s no t possible to adequatel y determin e avolume (Tie r C ) fo r Sourc e 3 (Ref^l , Sec . 2.4.2.1.2) . A s aresult , th e evaluatio n o f hazardou s wastestrea mquantit y proceed s t o th e evaluatio n o f Tier D , are a(Ref . 1 , Sec . 2.4.2.1.4) . 2.4.2.1. 4 Are a(Tie r D ) Th e are ao f

contaminate dsoil s associate dwit h Sourc e 3 wil l b e evaluate db y estimatin g th e surfac e are adelineate d b y th e soi l sampl e location s wit h analytical result s indicatin g observe dcontamination . Th e are ao f soi l contaminatio n will b e define da s th e tota

l are alyin g betwee n thes e sample s locations , whic h include sample s 014 , 015 , 016 , an d 017 , a s show n o n Figur e A- 5 o f Attachmen t

A (Ref. 14 , p . 10) . Th e sourc e are awa s measure db y connectin g th e soi l sampl e location s havin g analytical result s indicatin g th e presenc e o f hazardou s substance s exceedin g th e sampl e quantitatio n limit s (SQLs) . Thi s polygona l are awa s trace dfro mascale dsite ma p an dmeasure dusin g AutoCA D Releas e Versio n 14. 0 (Ref . 15 , pp . 1-3 ) t o determin e th e sourc e area . Accordin g t o th e HR S Rule , avalu e fro m Tabl e 2- 5 i s assigne dfo r

th e sourc e typ e "contaminate dsoils " base do n th e are ao f th e source , a s measure di n square feet , an ddivide db y afacto r o f 34,00 0 (Ref . 1 , Sec . 2.4.2.1.4 , Tabl e 2-5) . Th e calculate dapproximat e surfac e are a o f th e contaminate dsoi l associate dwit h Sourc e 3 equal s 26 9 square feet . Are ao f Sourc e 3 : 26 9 squar e fee t Valu e Assigne dAre a(fro mHR S Tabl e 2-5) : 0.00 8 2.4.2.1. 5 Sourc e Hazardou s Wast e Quantit y Valu e Accordin g t o th e HR S Rule , th e highes t o f th e value s assigne dt o eac h sourc e fo r hazardou s constituen t

quantit y (Tie

r A) , hazardou s wastestreamquantit y (Tie r B) , volume (Tie

r C) , an d are a(Tie

r D ) shouldb e assigne d a s th e sourc e hazardou s wast e quantit y value . A s such , are a(Tie r D ) wa s th e onl y tie r

evaluate dfo r

Sourc e 3 . Therefore , th e are awill b e assigne da s th e sourc e hazardou s wast e quantit y valu e fo r Sourc e 3 (Ref

. 1 , Sec . 2.4.2.1.5) .

" " * "

- - BttEvii&iattt t A B C D ! StfUDceJVjfcla t N E N E N E 0.00 8 N E = No t Evaluate d

HR S Documentatio n Record 05/03/00 3 4 Palme r Barg e Lin e Sit

e TXD06810456 1 

# 00063 8Sourc e 4 : Contaminate dSoil s - Horizonta l AST s S D - Characterizatio n an dContainmen t SOURC E DESCRIPTIO N 2. 2 SOURC E CHARACTERIZATIO N Informatio n pertainin g t o Sourc e 4 , contaminate dsoil s associate dwit h th e horizonta l ASTs , i s presente di n th e followin g paragraphs . 2.2. 1 Sourc e Identificatio n Numbe r o f th e source : 4 Nam e an d descriptio n o f

the source : Contaminate dsoi l locatedi n the horizonta

l AS T are a Soi l contaminatio n ha s bee n identifie di n th e are ao f th e thre e horizontal AST s locate dimmediatel y sout h o f th e 12

- tan k AS T battery . Thi s sourc e wil l b e classifie dan devaluate da s th e HR S sourc e typ e "contaminate dsoils. " Th e contaminate dsoi l i s believedto b e th e resul t o f release s o f

hazardou s substance s fro mth e horizontal tank s o r other chemica l handlin g a

t th e site . Thes e tank s are believe dt o b e ful l o f liqui dan dwere probabl y use da s part o f th e barg e cleanin g an ddegassin g syste m(Ref. 9 , p . 7) . A concrete berm , measurin g approximatel y 3 0 fee t b y 3 0 fee t b y 1 foo t high , surround s th e thre e AST s an dcontaine dan unknow n greenish-colore dliqui di n October 199 9 (Ref. 6 , pp . 4-5 ; Ref . 9 , p . 7) . Locatio n o f

th e sourc e wit h referenc e t o amap o f th e site : Thi s contaminate dsoi l sourc e i s locate di n th e are ao f th e thre e horizontal AST s ar e locate dgenerally i n th e southeas t comer o f th e site , approximatel y 8 0 fee t wes t o f Sabin e Lake , a s depicte do n Figure A- 5 o f Attachmen t

A Th e are a o f thi s sourc e i s define db y th e location s o f sample s 018 , 019 , 020 , an d02 1 (Ref. 11 , pp . 1-10 , 18-21 , 25-26 ; Ref . 13 , pp . 9-10) , whic h ar e show n o n Figure A- 5 o f Attachmen t

A . Containment : Ga s releas e t o air : Th e ai r migratio n pathwa y wa s no t scored , therefore , ga s containmen t wa s no t evaluated . Particuiat e releas e t o air : Th e ai r migratio n pathwa y wa s no t scored , therefore , paniculate containmen t wa s no t evaluated . Releas e t o groun dwate r Th e groun dwate r

pathwa y wa s no t

scored , therefore , groun dwate r containmen t

wa s no t evaluated . Releas e b y overlan dflo w migratio n and/o r flood : Portion s o f

thi s contaminate dsoi l sourc e ar e locate dwithi n a concret e bern i (Ref. 9 , p . 7 ) tha t surround s th e thre e horizonta l ASTs , bu t th e contaminate dsoil als o extend s outsid e th e are aencompasse db y thi s containmen t structure . Th e analytica l result s o f surfac e an dsubsurfac e soi l samplin g conducte ddurin g th e 199 9 ES I indicate th e presenc e o f several metal s i n th e soil s locate doutsid e o f th e ber m(Ref . 11 , pp . 18-21) . Ther e ar e n o containmen t feature s t o limi t

th e migratio n o f

hazardou s substance s associate dwit h th e contaminate dsoi l sourc e outsid e o f th e berm . Therefore , thi s sourc e wil l b e assigne dacontainmen t facto r valu e o f 1 0 (Ref. 1 , Tabl e 4-2) . HR S Documentatio n RecordPalmer Barg e Lin e Site 05/03/0 0 3 5 TXD06810456 1 

# 00063 9Sourc e 4 : Contaminate dSoil s - Horizonta l AST s S D - Characterizatio n an dContainmen t A concret e benn , measurin g approximatel y 3 0 fee t b y 3 0 fee t

b y 1 foo t

hig h surround s th e thre e horizonta l ASTs . A s note db y th e TNRC C durin g th e 199 9 PA/SSI , th e bermshowe dsign s o f breachin g an dadark , oil y sludg e wa s observe daroun dth e AST s (Ref. 6 , pp . 4-5 ; Ref . 9 , p . 7) . Further , an unknow n greenish-colore dliqui d wa s note d insid e th e berman dstaine dsoil s wer e note dimmediatel y outsid e o f th e ber mdurin g th e 199 9 ES I (Ref. 9 , p . 7) . 2.2. 2 Hazardou s Substance s Associate dwit h aSourc e Th e hazardou s substance s liste dbelo w wer e detecte di n soi l sample s collecte ddurin g th e Octobe r 199 9 ES I b y a contracto r

unde r th e directio n o f

th e USEP A Regio n 6 . Th e analytica l result s presente di n Tabl e 5 ar e evidenc e o f th e contaminatio n associate dwit h Sourc e 4 . Fou r shallo w soi l boring s (station s 01 8 throug h 021 ) wer e advance d aroun dth e thre e horizonta l ASTs . Fro meac h soi l boring , on e surfac e soi l sampl e wa s collecte dfro madept h o f 0 t o 2 fee t bg s (Ref . 9 , p . 35) . Soi l sampl e location s associate dwith Sourc e 4 ar e presente do n Figur e A- 5 o f Attachmen t

A . Analysi s o f

thes e samples , conducte dthroug h th e USEP A CLP , indicate dth e presenc e o f chromium , cyanide , lead , mercury , an dzin c (Ref . 11 , pp . 1-10) . SQL s wer e calculate dfo r eac h hazardou s substanc e an dsample . Th e SQL s wer e use dfo r

compariso n purpose s i n order t o establis h th e presenc e o f CERCLA-eligibl e hazardou s substances . SQ L calculation s ar e include da s Referenc e 13 . QA/Q C summar y forms , resul t summaries , an dchai n o f custod y form s fo r sample s associate dwit h Sourc e 4 ar e include da s Reference s 11 . TABLE S HAZARDOU S SUBSTANCE S ASSOCIATED WIT H SOURC E 4 SUBSTANCE *

Chromiu m

Cyanid e

Lead

Mercur y

Zin c SAMPUB1 B

MFJT64/01 8 MFJT67/01 9 MFJT69/020 MFJT71/02 1 MFJT65/01 8 MFJT64/01 8 MFJT69/020 MFJT7 1/02 1 MFJT70/020 MFJT64/01 8 MFJT 7 1/02 1 DAT

E 10/05/9 9 10/05/9 9 10/05/9 9 10/05/9 9 10/05/9 9 10/05/9 9 10/05/9 9 10/05/9 9 10/05/9 9 10/05/9 9 10/05/9 9 CQNCE2UTOATIQP f i n ing/k g 13.4 J v 14.2J v 9J v 42. 4 Jv 0.7 2 J v 57. 1 20. 8 23 2 0.1 6 Jv 57. 3 J 17 3 J BBPI

H {fee t BGS ) 0- 2 0- 2 0- 2 0- 2 2- 4 0- 2 0- 2 0- 2 2- 4 0- 2 0- 2 ! SQLit

o mg/ltg 2.5 9 2.2 9 2.6 6 2.6 3 7.0 8 1.2 9 1.3 3 1.3 1 0.1 4 5.1 8 5.2 6 .REFERENCES

Ref . 11 , pp . 1-10 , 18-21 , 25

- 26 ; Ref . 13,pp . 9-1 0

Re £11 , pp . 1-10 , 25 ; Ref . 13 , p . 1 4 Ref . 11 , pp . 1-10,18-21,25

- 26 ; Ref . 13,pp . 9-1 0 Ref . 11 , pp . 1-10 , 26 ; Ref.13 , p . 1 4 Ref . 11 , pp . 1-10 , 18-21 , 25

- 26 ; Ref . 13.pp . 9-1 0 1 Estimate dconcentratio n J v Estimate dconcentration . Lo w bias . BG S Belo w groun dsurface . HR S Documentatio n Record 05/03/0 0 

### 3 6 Palmer Barg e Lin e Site TXD06810456 1 

# 00064 0Sourc e 4 : Contaminate dSoil s - Horizonta l AST s S D - Characterizatio n an dContainment 2.2. 3 Identif y Hazardou s Substance s Availabl e t o aPathwa y 

### Becaus e containment

fo r Sourc e 4 i s greate

r than 0 , th e followin g substance s associate dwit h Sourc e 4 are available t o th e surfac e wate r

pathway : chromium , cyanide , lead , mercury , an dzinc . Locally , surfac e wate r

run-of f fro mth e Palme r

site discharge s directl y int o Sabin e Lak e (Ref. 9 , p . 78) . Sabin e Lake i s locate dapproximatel y 8 0 fee t eas t o f th e locatio n o f

th e thre e horizontal ASTs , a s illustrate do n Figur e A- 3 o f Attachment A . 2. 3 LIKELIHOO D O F RELEAS E 

### Refe r t o Sectio n 4. 1 o f

thi s documentatio n recor dfo r specifi c informatio n relate dt o sample s tha t mee t th e criteri a fo r an observe dreleas e t o th e surfac e wate r migratio n pathway . 2. 4 WAST E CHARACTERISTIC S 

### Specifi c factor s relate dt o wast e characteristic s associate dwit h Sourc e 4 ar e presente di n th e subsection s below . 2.4. 1 Selectio n o f

Substanc e Potentiall y Posin g Greates t Hazar d 

### Presente di n Tabl e 5 ar e th e hazardou s substance s associate dwit h Sourc e 4 . Man y o f th e sam e substance s hav e bee n identifie di n eac h o f

th e te n source s bein g evaluate dfo r th e Palmer

site . Rathe r

tha n reproducin g asimilar

tabl e fo r eac h source , acomprehensiv e lis t ha s bee n produce di n Tabl e 2 (refe r t o pag e 1 9 o f

thi s documentatio n record) . Th e substance(s ) selecte da s potentiall y posin g th e greates t hazardfo r th e pathwa y (threat ) will b e use di n evaluatin g th e wast e characteristic s category o f th e pathwa y (threat ) (Ref. 1 , Sec . 2.4.1) . The.substanc e associate dwit h Sourc e 4 potentiall y posin g th e greates t hazar di s mercury . Se e section s 4.1.3. 2 an d4.1.4. 2 o f thi s document . 2.4. 2 Hazardou s Wast e Quantit y 2.4.2. 1 Sourc e Hazardou s Wast e Quantit y 2.4.2.1. 1 Hazardou s Constituen t Quantit y (Tie r

A ) - No t Calculate d 

### Th e hazardou s constituen t

quantity i s no t

available ; therefore , i t

i s no t possibl e t o adequatel y determin e ahazardou s constituen t quantit y (Tier

A ) fo r Sourc e 4 (Ref. 1 , Sec . 2.4.2.1.1) . A s aresult , th e evaluatio n o f hazardou s wast e quantity proceed s t o th e evaluatio n o f Tie r B , hazardou s wastestrea mquantity (Ref . 1 , Sec . 2.4.2.1.2) . 2.4.2.1. 2 Hazardou s Wastestrea mQuantit y (Tie r B ) - No t Calculate d Th e hazardou s wastestrea mquantity i s no t available ; therefore , i t

is'no t possibl e t o adequatel y determin e ahazardou s wastestrea mquantit y (Tie

r B ) fo r Sourc e 4 (Ref. 1 , Sec . 2.4.2.1.2) . A s aresult , th e evaluatio n o f hazardou s wastestrea mquantit y proceed s t o th e evaluatio n o f Tie r C , volum e (Ref. 1 , Sec . 2.4.2.1.3) .

HR S Documentatio n RecordPalmer Barg e Lin e Sit

e 05/03/0 0 3 7 TOD06810456 1 

# 00064 1Sourc e 4 : Contaminate dSoil s - Horizonta l AST s S D - Characterizatio n an dContainmen t 2.4.2.1. 3 Volum e (Tie r C ) - No t

Calculate d Th e volum e o f

contaminate dsoil s associate dwith Sourc e 4 i s no t available ; therefore , i t

i s no t possibl e to adequatel y determin e avolume (Tie r C ) fo r Sourc e 4 (Ref . 1 , Sec . 2.4.2.1.2) . A s aresult , th e evaluatio n o f hazardou s wastestreamquantit y proceed s t o th e evaluatio n o f Tie r D , are a(Ref . 1 , Sec . 2.4.2.1.4) . 2.4.2.1. 4 Are a(Tie r D ) Th e are ao f

contaminate dsoil s associate dwit h Sourc e 4 wil l b e evaluate db y estimatin g th e surfac e are adelineate d b y th e soi l sampl e location s wit h analytica l result s indicatin g observe dcontamination . Th e are ao f thi s sourc e i s define db y th e location s o f sample s 018 , 019 , 020 , an d02 1 show n o n Figure A- 5 o f Attachmen t

A (Ref . 14 , p . 10) . Th e sourc e are awa s measure db y connectin g th e soil sampl e location s havin g analytica l result s indicatin g th e presenc e o f

hazardou s substance s exceedin g th e sampl e quantitatio n limit s (SQLs) . Thi s polygona l are awa s trace d fro mascale dsit e ma

p an dmeasure dusin g AutoCA D Releas e Versio n 14. 0 (Ref. 15 , pp . 1-3 ) t o determin e th e sourc e area . Accordin g t o th e HR S Rule , avalu e fro mTabl e 2- 5 i s assigne dfo r th e sourc e typ e "contaminate dsoils " base do n th e are ao f

th e source , a s measure di n squar e feet , an ddivide db y afacto r o f 34,00 0 (Ref. 1 , Sec . 2.4.2.1.4 , Tabl e 2-5) . Th e calculate dapproximat e surface are ao f th e contaminate dsoi l associate dwit h Sourc e 4 equal s 11 8 squar e feet . Are ao f Sourc e 4 : 11 8 squar e fee t Valu e Assigne dAre a(fro mHR S Tabl e 2-5) : 0.00 3 2.4.2.1. 5 Sourc e Hazardou s Wast e Quantit y Valu e Accordin g t o th e HR S Rule , th e highes t o f th e value s assigne dt o eac h sourc e fo r hazardou s constituen t

quantit y (Tier A) , hazardou s wastestrea mquantit y (Tie r B) , volum e (Tie

r C) , an dare a(Tie

r D ) shoul d b e assigne da s th e sourc e hazardou s wast e quantity value . A s such , are a(Tie r D ) wa s th e onl y tie r

evaluate dfo r

Sourc e 4 . Therefore , th e are awil l b e assigne da s th e sourc e hazardou s wast e quantit y valu e fo r Sourc e 4 (Ref. 1 , Sec . 2.4.2.1.5) . TferEvjtSuare d A B C D Source * Value s N E N E N E 0.00 3 N E = No t Evaluate d

HR S Documentatio n Recor

dPalme r Barg e Lin e Site 05/03/0 0 3 8 TXD06810456 1 

# 000 6 4Sourc e 5 : Contaminate dSoil s • Tan k Batter y S D - Characterizatio n an dContainment SOURC E DESCRIPTIO N 

### 2. 2 SOURC E CHARACTERIZATIO N Informatio n pertainin g to Sourc e 5 , contaminate d soil s associate d with th e 12

- tan k AS T battery , i s presente d i n th e followin g paragraphs . 2.2. 1 Sourc e Identificatio n Numbe r o f th e source : 5 Nam e an d descriptio n o f

th e source : Contaminate d soil s i n th e 12-tan k AS T battery area . Soi l contaminatio n ha s bee n identifie d i n th e are asurroundin g th e battery o f 1 2 AST s locate d i n th e easter n portio n o f th e site . Thi s sourc e wil l be-classifie d an d evaluate d a s th e HR S sourc e typ e "contaminate d soils. " Th e contaminate dsoi l i s believe d t o b e th e resul t o f release s o f

hazardou s substance s fro mth e AST s o r othe r activitie s at th e site . Al l o f

th e AST s ar e identica l in.siz e an d shap e an d ar e surrounde d b y aconcrete ber mmeasurin g approximatel y 9 5 fee t

b y 3 0 fee t

b y 1 foo t high . Th e tank s appeare d t o b e i n goo d physical conditio n durin g th e 199 9 ESI , bu t an oil y liqui d wa s observe d inside th e berm s (Ref . 5 , p . 5 ; Ref . 6 , p . 5 ; Ref . 9 , p . 7 ) an dstaine d soil , apparentl y fro ma n overflow , wa s observe d aroun d th e concret e ber m(Ref. 5 , p . 10 ; Ref. , 9 , p . 7) . Ther e ar e numerou s pipe s an dvalve s connectin g th e tanks , whic h mos t likel y aide d i n th e liqui d transfe r an dseparatio n activitie s (Ref . 9 , p . 7) . Accordin g t o permi t X-322 6 exemption , th e products store d i n th e twelv e AST s include d fue l oil , gasoline , naphtha , an d toluene . However , th e actual tan k content s hav e no t

bee n verifie d (Ref . 7 , p . 3) . Locatio n o f

th e sourc e with referenc e t o ama p o f th e site : Thi s contaminate d soi

l sourc e i s locate d i n the are ao f the 12-tan

k AS T battery ar

e locate d i n the easter

n portio n o f th e site , immediatel y eas t o f th e grave l parkin g area , a s depicte d o n Figur e A- 5 o f Attachmen t

A . Th e are ao f

thi s sourc e i s define db y th e location s o f sample s 022 , 023 , 024 , 025 , 026 , an d02 7 (Ref.ll.pp . 1-8 , 11 , 22-24 , 26 ; Ref . 12 , pp . 1-8 , 10 , 19 , 25 ; Ref . 13 , pp . 10-12 ; Ref . 17 , pp . 1-9 , 18-20) , whic h are show n o n Figur e A- 5 o f Attachmen t A Containment : Ga s releas e t o air : Th e ai r migratio n pathwa y wa s no t scored , therefore , ga s containmen t wa s no t evaluated . Particulat e releas e t o air : Th e ai r migratio n pathwa y wa s no t scored , therefore , particulat e containmen t wa s no t evaluated . Releas e t o groun d water : Th e groun d wate r pathwa y wa s no t

scored , therefore , groun d wate r containmen t

wa s no t evaluated . Releas e b y overlan d flo w migratio n and/o r flood : Portion s o f

thi s contaminate d soi l sourc e ar e locate d withi n aconcret e ber mtha t

surround s th e 1 2 ASTs , bu t th e contaminate d soil als o extend s outsid e th e are aencompasse d b y thi s containmen t

structure . A concret e berm , measurin g approximatel y 3 0 fee t b y 3 0 fee t

b y 1 foo t hig h surround s HR S Documentatio n Record 05/03/0 0 

### 3 9 Palme r Barg e Lin e Sit

e TXD06810456 1 

# 00064 3Sourc e 5 : Contaminate dSoil s - Tank Batter y S D - Characterizatio n an dContainmen t th e thre e horizontal ASTs , bu t TNRC C note ddurin g th e 199 9 PA/SS I tha t th e ber mshowe dsign s o f breachin g an d adark , oil y sludg e wa s observe daroun dth e AST s (Ref . 6 , pp . 4-5 ; Ref . 9 , p . 7) . Further , a n unknow n greenish

colore dliqui dwa s note dinsid e th e berman dstaine dsoil s wer e note dimmediatel y outsid e o f th e ber mdurin g th e 199 9 ES I (Ref . 9 , p . 7) . Th e analytica l result s o f surfac e an d subsurfac e soi l samplin g conducte ddurin g th e 199 9 ES I reveale dth e presenc e o f

several metal s i n th e soil s locate doutsid e o f th e ber m(Ref . 11 , pp . 11 , 22-24 ; Ref . 12 , pp . 10 , 19 , 25 ; Ref . 17 , pp . 18-20) . Ther e ar e n o containmen t feature s t o limi t

th e migratio n o f

hazardou s substance s associate dwit h th e contaminate dsoi l sourc e outsid e o f

th e berm . Therefore , thi s sourc e wil l b e assigne da containmen t

facto r valu e o f 1 0 (Ref. 1 , Tabl e 4-2) . 2.2. 2 Hazardou s Substance s Associate dwit h aSourc e Th e hazardou s substance s listedbelo w wer e detecte di n soil sample s collecte ddurin g th e Octobe r 199 9 ES I b y a contracto r

unde r th e directio n o f

th e USEP A Regio n 6 . Th e analytica l result s presente di n Tabl e 6 ar e evidenc e o f th e contaminatio n associate dwith Sourc e 5 . Si x shallo w soi l boring s (station s 02 2 throug h 027 ) were advance d outsid e o f th e ber mo n al l side s o f th e 12-tan k

AS T battery . A tota l o f si x surfac e soi l sample s (on e fro meac h station ) wer e collecte dfro madept h o f 0 t o 2 fee t

bg s (Ref. 9 , p . 36) . Soi

l sampl e location s associate dwit h Sourc e 5 are presente do n Figur e A- 5 o f Attachmen t

A . Analysi s o f

thes e samples , conducte dthroug h th e USEP A CLP , indicate dth e presenc e o f aluminum , arsenic , chromium , cobalt , copper , cyanide , iron, lead , mercury , nickel , an dzin c (Ref . 11 , pp . 1-8 ; Ref . 12 , pp . 1-8 ; Ref . 17 , pp . 1-9) . SQL s wer e calculate dfo r eac h hazardou s substanc e an dsample . Th e SQL s wer e use dfo r compariso n purpose s i n orde r

t o establis h th e presenc e o f CERCLA-eligible hazardou s substances . SQ L calculation s ar e include da s Referenc e 13 . QA/Q C summar y forms , resul t summaries , an dchai n o f custod y form s fo r

sample s associate dwit h Sourc e 5 ar e include da s Reference s 12 , an d17 .

MR S Documentatio n Recor

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e 05/03/0 0 4 0 TXD06810456 1 

# 00064 4Sourc e 5 : Contaminate d Soil s - Tan k Battery S D - Characterizatio n an d Containmen t TABLE 6 HAZARDOU S SUBSTANCE S ASSOCIATED WITH SOURC E 5 

### SUBSTANCE ; : 

### v' ' Aluminu m

Arseni c

Chromiu m

Cobal t Coppe r SAMHJ5H>

MFJT82/02 6 MFJT84/027 MFn73/02 2 MFJT76/02 3 MFJT79/02

4 MFJT80/02 5 MFJT82/02 6 MFJT84/02

7 MFJT73/02 2 MFJT80/02 5 MFJT82/02 6 MFJT84/02

7 MFJT82/02 6 MFJT80/02 5 MFJT82/02 6 USX E

10/05/9 9 10/05/9 9 10/05/9 9 10/05/9 9 10/05/9 9 10/05/9 9 10/05/9 9 10/05/9 9 10/05/9 9 10/05/9 9 10/05/9 9 10/05/9 9 10/05/9 9 10/05/9 9 10/05/9 9 CONCENTRATION



### k»«*S , 15,80 0 7,85 0 4 3. 8 4. 0 4. 8 19. 6 6. 4 22. 3 Jv 11. 1 80. 8 25. 4 15. 4 26. 6 J v 37 7 Jv : 

### DEnf

t , (fe* t ; 

### , B£S > - 0- 2 0- 2 0- 2 0- 2 0- 2 0- 2 0- 2 0- 2 0- 2 0- 2 0- 2 0- 2 0- 2 0- 2 0- 2 SQ

t I n Tng& g 48.3 6 51.3 4 2.44 2.1 1 2.5 9 2.4 5 2.4 1 2.5 6 2.4 4 2.4 5 2.4 1 2.5 6 12.0 9 6.1 3 6.04 REFERENCE S

Ref . 11 , pp . 1-8 , 11 , 22-24 , 26 ; Ref. 12 , pp . 1-8 , 10 , 19,25 ; Ref. 13,pp . 10-12 ; Ref . 17,pp . 1-9 , 18-2

0 Re f 11 , pp . 1-8 , 11 , 22-24 , 26 ; Ref . 12 , pp . 1-8 , 10 , 19 , 25 ; Ref . 13 , pp . 10-12 ; Ref . 17,pp . 1-9 , 18-2

0

Ref . 11 , pp . 1-8 , 11 , 22-24 , 26 ; Ref . 12 , pp . 1-8 , 10 , 19,25 ; Ref. 13 , pp . 10-12 ; Ref . 17,pp . 1-9 , 18-2

0

Ref . 13 , p . 12 ; Ref . 17 , pp . 1

- 9,18,2 0 Ref . 11 , pp . 1-8 , 11 , 22-24 , 26 ; Ref. 12 , pp . 1-8 , 10,19,25 ; Ref . 13 , pp . 10-12 ; Ref . 17.pp . 1-9 , 18-2

0 J Estimate d concenttau'o a J v Estimate d concentration . Lo w bias . BG S Belo w groun dsurface .

HR S Documentatio n Recor d 05/03/00 

### 4 1 Palmer Barg e Lin e Sit

e TXD06810456 1 

# 00064 5Sourc e 5 : Contaminate dSoil s - TankBatter y S D - Characterizatio n an dContainment TABL E 6 (Continued ) HAZARDOU S SUBSTANCE S ASSOCIATE D WITH SOURC E 5 SUBSTANC

E

Iro n

Lea d

Mercur y Nicke l

Zin c ; SAMHLEI D

MFJT73/02 2 MFJT76/02 3 MFJT79/024 MFJT80/02 5 MFJT82/02 6 MFJT84/027 MFJT73/02 2 MFJT76/02 3 MFJT80/025 MFJT82/02 6 MFJT84/02 7 MFJT80/02 5 MFJT77/02 3 MFJT82/02 6 MFJT76/02 3 MFJT77/02 3 MFJT80/02 5 MFJT82/02 6 BAT

E

10/05/9 9 10/05/9 9 10/05/9 9 10/05/9 9 10/05/9 9 10/05/9 9 10/05/9 9 10/05/9 9 10/05/9 9 10/05/9 9 10/05/9 9 10/05/9 9 10/05/9 9 10/05/9 9 10/05/9 9 10/05/9 9 10/05/9 9 10/05/9 9 CONCESISAllQ

N fomg/kg 11.800 J 7,960 1 10,10 0 17,900 146,000 16,400 58. 5 24. 8 77. 5 3,45 0 160 3. 3 Jv 0.1 8 Jv 76. 7 53. 2 J 1.390J 12 5 J v l,590J v DOTE S (to * B6$) 0- 2 0- 2 0- 2 0- 2 0- 2 0- 2 0- 2 0- 2 0- 2 0- 2 0- 2 0- 2 2 - 4 0 - 2 0- 2 2- 4 0- 2 0 - 2 SQUa

msfr s 24.4 2 21.1 6 25.9 7 24.5 3 24.1 8 25.6 7 1.22 ' 1.05 1.22 1.2 0 1.2 8 0.12 2 0.12 9 9.67 4.2 3

. 5.1 9 4.9 0 4.8 3 HEEESENCES

Ref . 11 , pp . 1-8,11,22-24,26 ; Ref . 12 , pp . 1-8 , 10 , 19,25 ; Ref . 13 , pp . 10-12 ; Ref . 17 , pp . 1-9 , 18-2

0

Ref . 11 , pp . 11,26,29 ; Ref. 12 , pp . 1-8 , 10,13 ; Ref. 13 , pp . 10-12 ; Ref . 17 , pp . 1-9 , 18-2

0

Re t 13 , p . 11 . 14 ; Ref . 17,pp . 1

- 9,18-2 0 Ref . 13 , p . 12 ; Ref . 17 , pp . 1-9 , 18-2 0 Ref.ll, P p.ll , 29,30 ; Ref . 13 , pp . 10-12 , 14 ; Ref . 17,pp . 1-9 , 18-2 0

J Estimate dconcentration . J v Estimate dconcentration . Lo w bias . BG S Belo w groun dsurface .

MR S Documentatio n Recor

d 05/03/0 0 

### 4 2 Palme r Barg e Lin e Sit

e TXD06810456 1Sourc e 5 : Contaminate d Soil s • TankBattery S D - Wast e Characteristic s 

### 2.2. 3 Identify Hazardou s Substance s Availabl e t o aPathwa y Becaus e containmen t

fo r Sourc e 5 i s greate r

tha n 0 , th e followin g substance s associate dwit h Sourc e 5 ar e availabl e t o th e surfac e wate r

pathway : Aluminu m Cobalt Iro n Nicke l Arseni c

Coppe r Lead Zin c Chromiu m

Cyanide Mercury Locally , surfac e wate r

run-of f fro mth e Palme

r sit e discharge s directl y int o Sabin e Lake . Sabin e Lak e i s locate d approximatel y 8 0 fee t

eas t o f th e locatio n o f

th e 12-tank

AS T battery , a s illustrate do n Figure A- 3 o f Attachmen t

A 

### 2. 3 LIKELIHOO D O F RELEAS E Refe r t o Sectio n 4. 1 o f

thi s documentatio n recordfo r specifi c informatio n relate dt o sample s tha t mee t th e criteri a fo r a n observe dreleas e t o th e surfac e wate r migratio n pathway . 2. 4 WAST E CHARACTERISTIC S Specifi c factor s relate dt o wast e characteristic s associate dwit h Sourc e 5 ar e presente di n th e subsection s below . 2.4. 1 Selectio n o f

Substanc e Potentiall y Posin g Greates t Hazar d Presente di n Tabl e 6 ar e th e hazardou s substance s associate dwit h Sourc e 5 . Man y o f

th e sam e substance s hav e bee n identifie di n eac h o f

th e te n source s bein g evaluate dfo r th e Palme r

site . Rathe r

tha n reproducin g asimila r tabl e fo r eac h source , acomprehensiv e lis t ha s bee n produce di n Tabl e 2 (refe r t o pag e 1 9 o f

thi s documentatio n record) . Th e substance(s ) selecte da s potentiall y posin g th e greates t hazardfo r

th e pathwa y (threat) wil l b e use di n evaluatin g th e wast e characteristic s category o f th e pathwa y (threat ) (Ref . 1 , Sec . 2.4.1) . Th e substanc e associate dwit h Sourc e 5 potentiall y posin g th e greates t hazar di s mercury . Se e section s 4.1.3. 2 an d4.1.4. 2 o f thi s document . 

### 2.4. 2 Hazardou s Wast e Quantit y 2.4.2. 1 Sourc e Hazardou s Wast e Quantit y 2.4.2.1. 1 Hazardou s Constituen t Quantit y (Tie r

A ) - No t Calculate d Th e hazardou s constituen t quantit y i s no t

available ; therefore , i t

i s no t possibl e to adequatel y determin e ahazardou s constituen t

quantit y (Tie

r A ) fo r Sourc e 5 (Ref. 1 , Sec . 2.4.2.1.1) . A s aresult , th e evaluatio n o f hazardou s wast e quantit y proceed s t o th e evaluatio n o f Tier B , hazardou s wastestrea mquantit y (Ref . 1 , Sec . 2.4.2.1.2) . 2.4.2.1. 2 Hazardou s Wastestrea mQuantit y (Tie r B ) - No t Calculate d Th e hazardou s wastestrea mquantit y i s no t available ; therefore , i t

i s no t possibl e t o adequatel y determin e ahazardou s wastestrea mquantit y (Tier B ) fo r Sourc e 5 (Ref . 1 , Sec . 2.4.2.1.2) . A s aresult , th e evaluatio n o f hazardou s wastestrea mquantit y proceed s t o th e evaluatio n o f Tie r C , volum e (Ref . 1 , Sec . 2.4.2.1.3) . HR S Documentatio n Record 05/03/0 0 

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# 00064 7Sourc e 5 : Contaminate dSoil s - Tan k Battery S D - Wast e Characteristic s 2.4.2.1. 3 Volum e (Tie r C ) - No t

Calculate d Th e volum e o f

contaminate dsoil s associate dwit h Sourc e 5 i s no t available ; therefore , i t

i s no t possibl e t o adequatel y determin e avolume (Tier C ) fo r Sourc e 5 (Ref . 1 , Sec . 2.4.2.1.3) . A s aresult , th e evaluatio n o f hazardou s wastestreamquantit y proceed s t o th e evaluatio n o f Tie r D , are a(Ref . 1 , Sec . 2.4.2.1.4) . 2.4.2.1. 4 Are a(Tie r D ) Th e are ao f

contaminate dsoil s associate dwit h Sourc e 5 wil l b e evaluate db y estimatin g th e surfac e are adelineate d b y th e soi l sampl e location s with analytica l result s indicatin g observe dcontamination . Th e are ao f thi s sourc e i s define db y th e location s o f sample s 022 , 023 , 024 , 025 , 026 , an d027 , a s show n o n Figur e A- 5 o f Attachmen t

A (Ref. 14 , p . 10) . Th e sourc e are awa s measure db y connectin g th e soi l sampl e location s havin g analytical result s indicatin g th e presenc e o f

hazardou s substance s exceedin g th e sampl e quantitatio n limit s (SQLs) . Thi s polygona l are awa s trace dfro mascale dsit e ma p an dmeasure dusin g AutoCA D Releas e Versio n 14. 0 (Ref. 15 , pp . 1-3 ) t o determin e th e sourc e area . Accordin g to th e HR S Rule , avalu e fro mTabl e 2- 5 i s assigned fo r th e sourc e typ e "contaminate d soils " base do n th e are ao f th e source , a s measure di n squar e feet , an ddivide db y afacto r o f 34,00 0 (Ref. 1 , Sec . 2.4.2.1.4 , Tabl e 2-5) . Th e calculatio n o f th e approximat e surfac e are ao f th e contaminate dsoil s associate dwit h Sourc e 5 equal s 75 5 squar e feet . Are ao f Sourc e 5 : 75 5 squar e fee t Valu e Assigne dAre a(fro mHR S Tabl e 2-5) : 0.02 2 2.4.2.1. 5 Sourc e Hazardou s Wast e Quantit y Valu e Accordin g t o th e HR S Rule , th e highes t o f th e value s assigne dt o eac h sourc e fo r hazardou s constituen t

quantity (Tie

r A) , hazardou s wastestrea mquantit y (Tie r B) , volum e (Tie

r C) , an dare a(Tie

r D ) shoul db e assigne da s th e sourc e hazardou s wast e quantit y value . A s such , are a(Tier D ) wa s th e onl y tie r

evaluate dfo r

Sourc e 5 . Therefore , th e are awil l b e assigne da s th e sourc e hazardou s wast e quantit y valu e fo r Sourc e 5 (Ref. 1 , Sec . 2.4.2.1.5) . Tta-Evafiiatal - A B C D .SttttteSVahu s N E N E N E 0.02 2 N E = No t Evaluate d

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# 00064 8Sourc e 6 : Contaminate dSoil s - Flare S D - Characterizatio n an dContainmen t SOURC E DESCRIPTIO N 2. 2 SOURC E CHARACTERIZATIO N Informatio n pertainin g t o Sourc e 6 , contaminate dsoil s associate dwith th e flare , i s presente di n th e followin g paragraphs . 2.2. 1 Sourc e Identificatio n Numbe r o f th e source : 6 Nam e an ddescription,o f

th e source : Contaminate dsoil s associate dwit h th e flar e Soi l contaminatio n ha s bee n identifie di n the . are ath e flar e locate di n th e central portio n o f th e property . Thi s sourc e wil l b e classifie dan devaluate das-th e HR S sourc e typ e "contaminate dsoils. " Th e contaminate dsoil i s believe dt o b e th e resul t

o f release s o f

hazardou s substance s fro mchemica l handlin g i n thi s are ao f

th e site . Locatio n o f

th e sourc e with referenc e t o ama n o f th e site : Thi s contaminate dsoil sourc e i s locate di n th e centra l portio n o f th e site near

th e flare an dles s tha n 5 0 fee t eas t o f th e open-to p slop tanks , a s depicte do n Figur e A- 5 o f Attachmen t

A . Th e are ao f

thi s sourc e i s define db y th e location s o f

sample s 028 , 029 , 030 , an d03 1 (Ref.12 , pp . 1-8 , 10-11 , 20 , 26 ; Ref . 13 , p . 12) , whic h are show n o n Figure A- 5 o f

Attachmen t

A . Containment : Gas releas e to air : The air migratio n pathwa y was not scored , therefore , gas containmen t was not evaluated . Particulat e releas e t o air : Th e ai r migratio n pathwa y wa s no t scored , therefore , paniculate containmen t wa s no t evaluated . Releas e t o groun dwate r Th e groun dwate r

pathwa y wa s no t

scored , therefore , groun dwate r containmen t

wa s no t evaluated . Releas e b y overlan dflo w migratio n and/o r flood : Area s o f

stresse d vegetatio n exis t

aroun dth e are aimmediately belo w th e flar e stac k

(Ref. 5 , p . 10 ) an dth e laborator y analytical result s fro msurfac e an dsubsurfac e soi l samplin g conducte ddurin g th e 199 9 ES I Recen t surfac e soi l samplin g conducte dindicat e presenc e o f

severa l metal s i n th e soil s surroundin g th e flar e (Ref . 12 , pp . 20-23) . Ther e are n o containmen t feature s t o limi t

th e migratio n o f

hazardou s substance s associate dwit h th e contaminate dsoi l source . Therefore , thi s sourc e wil l b e assigne dacontainmen t facto r valu e o f 1 0 (Ref. 1 , Tabl e 4-2) .

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# 00064 9Sourc e 6 : Contaminate dSoil s - Flar e S D - Characterizatio n an d Containment 2.2. 2 Hazardou s Substance s Associate dwit h aSourc e Th e hazardou s substance s liste dbelo w were detecte di n soi l sample s collecte d durin g th e Octobe r 199 9 ES I b y a contracto r

unde r th e directio n o f

th e USEP A Regio n 6 : Th e analytical result s presente di n Tabl e 7 are evidenc e o f th e contaminatio n associate dwit h Sourc e 6 , th e flare . A tota l o f fou r surfac e soi l sample s (station s 02 8 throug h 031 ) wer e collecte dfro madept h o f 0 t o 2 fee t

bg s aroun dth e flar e (Ref. 9 , p . 37) . Soil sampl e location s associate dwith Sourc e 6 are presente do n Figure A- 5 o f Attachmen t

A . Analysi s o f

thes e samples , conducte dthroug h th e USEP A CLP , indicate dth e presenc e o f cadmium , chromium , copper , iron , lead , mercury , nickel , an dzin c (Ref. 12 , pp . 1-8) . SQL s were calculate dfo r eac h hazardou s substanc e an dsample . Th e SQL s wer e use dfo r compariso n purpose s i n orde r t o establis h th e presenc e o f CERCLA-eligibl e hazardou s substances . SQ L calculation s are include da s Referenc e 13 . QA/Q C summary forms , resul t summaries , an dchai n o f

custody form s fo r

sample s associate dwit h Sourc e 6 ar e include da s Referenc e 12 .

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# 00065 0Sourc e 6 : Contaminate dSoil s - Flar e S D - Characterizatio n an d Containment TABLE ? HAZARDOU S SUBSTANCE S ASSOCIATE D WITH SOURC E 6 

# ^

- }']': : - * MWAI S ' * StaSSTTANC

E Cadmium

Chromiu m Coppe r

Iro n

Lead

Mercury Nicke l

Zin c &S2KWLEB * MFJT86/02 8 MFJT86/02 8 MPJT88/03 0 MFJT86/02 8 MJFT88/03 0 MFJT86/02 8 MFJT87/029 MJFT88/03 0 MFJT89/03 1 MFJT86/02 8 MFJT87/02 9 MJFT88/03 0 MFJT89/03 1 MFJT86/02 8 MJFT88/03 0 MJFT88/03 0 MFJT86/02 8 MFJT87/02 9 MJFT88/03 0 MFJT89/03 1 M1 B

10/04/9 9 10/04/9 9 10/04/9 9 10/04/9 9 10/04/9 9 10/04/9 9 10/04/9 9 10/04/9 9 10/04/9 9 10/04/9 9 10/04/9 9 10/04/9 9 10/04/9 9 10/04/9 9 10/04/9 9 10/04/9 9 10/04/9 9 10/04/9 9 10/04/9 9 10/04/9 9 CWCBtTOMUJOSt b tag/kg : \- * 3. 8 9. 2 38. 9 36 2 Jv 1,86 0 J v 12,90 0 11,20 0 29,50 0 6,04 0 13 3 J 51. 7 31 9 30. 6 0.1 6 0.1 1 34. 5 23 9 Jv 117J V 34 1 Jv 70. 1 Jv 1 SQW n % TUg/k g 1.1 8 2.3 6 2.1 4 5.9 2 5.3 5 23.6 9 22.9 8 21.4 3 22.5 2 1.1 8 1.1 4 1.0 7 1.1 2 0.1 1 0.107 8.5 7 4.7 3 4.5 9 4.2 8 4.5 0 KEJWKWSSCK f Rfi f 12 , pp . 1-8 , 10-11 , 20 , 26 ; Ref . 13 , p . 1 2 Ref . 12 , pp . 1-8 , 10-11,20-23,26 ; Ref . 13 , pp . 12-1 3 Ref. 12 , pp . 1-8 , 10-11 , 20-23 , 26 ; Ref . 13 , pp . 12-1 3 Ref . 12 , pp . 1-8 , 10-11 , 20-23 , 26 ; Ref. 13 , pp . 12-1 3

Ref. 12 , pp . 1-8 , 10-11 , 20-23,26 ; Ref . 13 , pp . 12-1 3

Ref. 12 , pp . 1-8 , 10-11,20,22,26 ; Ref. 13 , pp . 12-1 3 Re £ 12 , pp . 1-8 , 11 , 22 , 26 ; Ref . 13 , pp.1 3 Ref. 12 , pp . 1-8 , 10-11,20-23,26 ; Ref . 13 , pp . 12-1 3

J Estimate d concentratio a J v Estimate d concentration. Lo w bias .

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# 00065 1Sourc e 6 : Contaminate dSoil s - Flar e S D - Wast e Characteristic s 2.2. 3 Identify Hazardou s Substance s Availabl e t o aPathwa y Becaus e containmen t

fo r Sourc e 6 i s greate r

tha n 0 , th e followin g substance s associate dwith Sourc e 6 ar e availabl e t o th e surfac e wate r

pathway : Cadmiu mChromiu mCopper Iro n Lea dMercury Nicke l Zin c Locally , surfac e wate r

run-of f fro mth e Palme r

site discharge s directl y int o Sabin e Lake (Ref. 9 , p . 78) . Sabin e Lake i s locate dapproximatel y 34 0 fee t eas t o f th e locatio n o f

th e flare , a s illustrate do n Figur e A- 3 o f Attachmen t

A . 2. 5 LIKELIHOO D O F RELEAS E Refe r t o Sectio n 4. 1 o f

thi s documentatio n recor dfo r specifi c informatio n relate dt o sample s tha t mee t th e criteri a fo r a n observe dreleas e t o th e surfac e wate r migratio n pathway . 2. 4 WAST E CHARACTERISTIC S Specifi c factor s relate dt o wast e characteristics associate dwit h Sourc e 6 ar e presente di n th e subsection s below . 2.4. 1 Selectio n o f

Substanc e Potentiall y Posin g Greates t Hazar d Presente di n Tabl e 7 ar e th e hazardou s substance s associate dwit h Sourc e 6 . Man y o f th e sam e substance s hav e bee n identifie di n eac h o f th e te n source s bein g evaluate dfo r th e Palme r

site . Rathe r

tha n reproducin g asimila r tabl e fo r eac h source , acomprehensiv e lis t ha s bee n produce di n Tabl e 2 (refe r t o pag e 1 9 o f

thi s documentatio n record) . Th e substance(s) selecte da s potentiall y posin g th e greates t hazar dfo r

th e pathwa y (threat ) wil l b e use di n evaluatin g th e wast e characteristic s categor y o f th e pathwa y (threat ) (Ref . 1 , Sec . 2.4.1) . Th e substanc e associate dwit h Sourc e 6 potentiall y posin g th e greates t hazar di s mercury . Se e section s 4.1.3. 2 an d4.1.4. 2 o f thi s document . 2.4. 2 Hazardou s Wast e Quantit y 2.4.2. 1 Sourc e Hazardou s Wast e Quantit y 2.4.2.1. 1 Hazardou s Constituen t Quantit y (Tie r

A ) - No t

Calculate d Th e hazardou s constituen t quantity i s no t

available ; therefore , i t

i s no t possibl e t o adequatel y determin e ahazardou s constituen t

quantity (Tier

A ) fo r Sourc e 6 (Ref . 1 , Sec . 2.4.2.1.1) . A s aresult , th e evaluatio n o f hazardou s wast e quantit y proceed s t o th e evaluatio n o f Tie r B , hazardou s wastestrea mquantit y (Ref . 1 , Sec . 2.4.2.1.2) . 2.4.2.1. 2 Hazardou s Wastestrea mQuantit y (Tie r B ) - No t

Calculate d Th e hazardou s wastestrea mquantit y i s no t available ; therefore , i t

i s no t possibl e t o adequatel y determin e ahazardou s wastestrea mquantit y (Tie r B ) fo r Sourc e 6 (Ref . 1 , Sec . 2.4.2.1.2) . A s aresult , th e evaluatio n o f hazardou s wastestrea mquantit y proceed s t o th e evaluatio n o f Tier C , volum e (Ref . 1 , Sec . 2.4.2.1.3) . HR S Documentatio n Recor

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# 6 5 ?Sourc e 6 : Contaminate dSoil s - Flar e S D - Wast e Characteristic s 

### 2.4.2.1. 3 Volum e (Tie r C ) - No t Calculate d Th e amoun t

o f contaminate dsoil s locate daroun dth e Sourc e 6 coul dno t b e adequatel y documented . Therefore , th e surfac e are ao f

th e contaminate dsoil s associate dwith Sourc e 6 will b e estimate dfro mascale dsit e map . A s a result , th e evaluatio n o f

hazardou s wast e quantity proceed s to th e evaluatio n o f Tie r D , are a(Ref. 1 , Sec . 2.4.2.1.3) . 2.4.2.1. 4 Are a(Tie r D ) Th e are ao f

contaminate dsoil s associate dwit h Sourc e 6 wil l b e evaluate db y estimatin g th e surfac e are adelineate d b y the soi l sampl e location s wit

h analytical result s indicatin g observe dcontamination . The are ao f thi s sourc e i s define db y th e location s o f sample s 028 , 029 , 030 , an d031 , a s show n o n Figure A- 5 o f Attachmen t

A (Ref. 14 , p . 10) . Th e sourc e are awa s measure db y connectin g th e soil sampl e location s havin g analytical result s indicatin g th e presenc e o f

hazardou s substance s exceedin g th e sampl e quantitatio n limit s (SQLs) . Thi s polygonal are awa s trace d fro mascale dsit e ma

p an dmeasure dusin g AutoCA D Releas e Versio n 14. 0 (Ref. 15 , pp . 1-3 ) t o determin e th e sourc e area . Accordin g t o th e HR S Rule , avalu e fro mTabl e 2- 5 i s assigne dfo r th e sourc e typ e "contaminate dsoils " base do n th e are ao f

th e source , a s measure di n squar e feet , an ddivide db y afacto r 'o f 34,00 0 (Ref . 1 , Sec . 2.4.2.1.4 , Tabl e 2-5) . Th e calculatio n o f

th e approximat e surfac e are ao f th e contaminate dsoil s associate dwith Sourc e 6 equal s 42 6 squar e feet . Are ao f Sourc e 6 : 42 6 square fee t Valu e Assigne dAre a(fro mHR S Tabl e 2-5) : 0.01 6 2.4.2.1. 5 Sourc e Hazardou s Wast e Quantit y Valu e Accordin g t o th e HR S Rule , th e highes t o f th e value s assigne dt o eac h sourc e fo r hazardou s constituen t

quantity (Tie

r A) , hazardou s wastestrea mquantity (Tie r B) , volum e (Tie r

C) , an dare a(Tie

r D ) shoul db e assigne da s th e sourc e hazardou s wast e quantity value . A s such , are a(Tie r D ) wa s th e onl y tie r

evaluate dfo r

Sourc e 6 . Therefore , th e are awil l b e assigne da s th e sourc e hazardou s wast e quantit y valu e fo r Sourc e 6 (Ref. 1 , Sec . 2.4.2.1.5) .

: 3t<3<tevaiuate d, , A B C D - , - , SoarceSValUs S ME ME N E 0.01 6 M E = No t Evaluate d

HR S Documentatio n Recor dPalme r Barg e Lin e Site 05/03/00 4 9 TXD06810456 1 

# 00065 3Sourc e 7 : Wastewater AST s S D - Characterizatio n an d Containment SOURC E DESCRIPTIO N 2. 2 SOURC E CHARACTERIZATIO N Informatio n pertainin g t o Sourc e 7 , wastewate r abov e groun dstorag e tank s (ASTs) , i s provide di n th e followin g paragraphs . 2.2. 1 Sourc e Identificatio n Numbe r o f th e source : 7 Nam e an ddescriptio n o f

th e source : Wastewate r

AST s Fou r wastewate r

AST s ar e locate di n th e northeastern portio n o f th e site . Th e fou r

ASTs , on e 25,00 0 gallo n capacit y an dthre e 5,00 0 gallo n capacit y tanks , ar e constructe do f stee l an d surrounde db y an earthe n bermmeasurin g approximatel y 9 0 fee t

b y 5 0 fee t

b y 3 fee t high . Thes e fou r

AST s wer e use dfo r

bul k storag e durin g barg e cleanin g operation s at

th e sit e (Ref . 5 , p . 8 ; Ref . 9 , p . 7) . Thi s sourc e wil l b e classifie da s th e HR S sourc e typ e "abov e groun d tank. " Th e fou r

wastewate r

AST s wil l b e aggregate dan d evaluate da s on e sourc e becaus e the y affec t th e sam e targets , hav e simila r

wast e characteristic s an dcontainmen t features , an dli e i n th e same watershed . Locatio n o f

th e sourc e wit h referenc e t o amap o f th e site : Th e fou r wastewate r

AST s ar e locate di n th e northeaster n portio n o f th e Palme r

site , immediatel y north o f th e grave l parkin g are aa s depicte do n Figure A- 3 o f Attachmen t

A . Containment : Ga s releas e t o air : Th e ai r migratio n pathwa y wa s no t scored , therefore , ga s containmen t wa s no t evaluated . Participat e releas e t o air : Th e ai r migratio n pathwa y wa s no t scored , therefore , particulat e containmen t wa s no t evaluated . Releas e t o groun dwate r Th e groun dwate r

pathwa y wa s no t

scored , therefore , groun dwate r containmen t

wa s no t evaluated . Releas e b y overlan dflo w migratio n and/o r flood : Th e fou r

wastewate r

AST s ar e constructe do f stee l an d surrounde db y a n earthe n ber mmeasurin g approximatel y 9 0 fee t b y 5 0 fee t

b y 3 fee t

hig h (Ref . 9 , p . 7) . Th e fou r AST s ar e rustin g nea

r th e base . Approximatel y on e foo t o f oily liqui dwa s observe dinsid e th e earthe n ber

mdurin g asite visit

conducte di n 1998 . Eac h o f th e fou r AST s i s believe dt o b e ful l o f liqui d(Ref . 9 , p . 7) . Analytica l result s fro mliqui dsample s collecte dfro mth e wastewate r AST s durin g th e 199 9 TNRC C samplin g even t reveale dth e presenc e o f

benzene , 2-methylphenol , 3&4-methylphenols , bariu man dlea d(Ref. 8 , pp . 99-110 , 117-120) .

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# 00065 4Source 7 : Wastewater AST s S D - Characterizatio n an d Containmen t 2.2. 2 Hazardou s Substance s Associate dwit h aSourc e Th e hazardou s substance s liste di n Tabl e 8 wer e detecte di n liqui dsample s collecte dfro mth e wastewate r AST s durin g th e TNRC C 199 9 samplin g event . Th e analytical result s presentedi n Tabl e 8 ar e evidenc e o f th e contaminatio n associate dwit h Sourc e 7 , wastewate r

ASTs . Sourc e sampl e location s are presente do n Figure A- 4 o f Attachmen t

A . On e liqui dsampl e wa s collecte dfro meac h o f th e fou r wastewate r

AST s (station s 1 8 throug h 21 ) b y acontracto r

unde r th e directio n o f

th e TNRC C i n Jul y 199 9 (Referenc e 8 , pp . 99-119) . Th e sample s wer e analyze db y aprivat e laborator y usin g EPA-approve dmethod s fo r TCL P characteristic s onl y fo r VOCs , SVOCs , pesticides , an dmetal s (Ref. 8 , pp . 99-110 , 117-120) . I t shoul db e note dtha t

analytical dat awa s no t

availabl e fo r

th e sampl e collecte dfro mTan k 20 ; however , base do n availabl e informatio n th e content s o f al l o f th e fou r tank s were assume dto b e similar . Therefore , Tan k 2 0 wil l b e include di n th e evaluatio n o f thi s source . Th e TCL

P identifie s th e potentia l fo r

asubstanc e t o leach fro mth e sample dmaterial . Th e TCLP analytica l dat awer e reviewe dfo r QA/Q C issue s t o verif

y tha t th e dat awer

e usabl e fo r

HR S scorin g purposes . Practica l quantitatio n limit s were establishe db y th e laboratory an duse dfo r compariso n purpose s i n order t o establis h th e presenc e o f CERCLA-eligible hazardou s substances . QA/Q C summary forms , resul t summaries , an dchai n o f

custod y form s fo r

sample s associate dwit h Sourc e 7 ar e include da s Referenc e 8 . TABLE S HAZARDOU S SUBSTANCE S ASSOCIATED WIT H SOURC E 7

^ ' '

- - MEtAt S SOBSEWS d s % s Bariu m Lea d

• . % StnaSIANCE * 

### , { 

### • 1 Benzen e

- ' ; StBSTANO ; 2-Meihylpheno l 3-&4-Methylphenol s t



## $#m£n » Tank 1 8 Tank 1 9 Tank21B(dup ) \ ; SAMEttBn > Tank 1 9 Tank21B(dup )

• •

" s SAMPLE ® Tank 1 8 Tank 1 9 Tan k 1 8 Tank 1 9 

## B«r

e 07/23/9 9 07/23/9 9 07/23/9 9 I>A3 E 07/23/9 9 07/23/9 9 » DAT E 07/23/9 9 07/23/9 9 07/23/9 9 07/23/9 9 COfJCTOERATtOWit 3W& 0.1 2 0.2 8 0.7 9 

## VQUM W CONOEfElRAlJONt

e HgO , 22,424. 6 7,094. 3 SBSUVOJUTBXS

" CC^CEStRATrONfttUg/ t 14 9 6 3 104 5 5 PQlUi i mg/ L 0. 1 0. 1 0. 2

- ' TPQkto % •»#! > 125 0 125 0 PQLJ « 

### •*e & 5 0 5 0 5 0 5 0 BEEEREPJCK3 , , ,

Ref . 8 , pp . 99 , 10 5

Ref. 8 , pp . 11 7

- RKH3RENOS S Ref . 8,pp . 105-110 , 117

- 12 0

REFERENCE S Ref . 8 , pp . 99- 1 1 0

Ref . 8 , pp . 99- 1 1 0

mg/ L ug/ L milligram s pe r

liter , microgram s per

liter . HR S Documentatio n Record 05/03/0 0 

### 5 1 Palme r Barg e Lin e Site TXD06810456 1 

# 00065 5Sourc e 7 : Wastewater AST s S D - Wast e Characteristic s 2.2. 3 Identif y Hazardou s Substance s Availabl e t o aPathwa y Becaus e containmen t

fo r Sourc e 7 i s greate r

tha n 0 , th e followin g substance s associate dwit h Sourc e 7 ar e availabl e t o th e surfac e wate r

pathwa y include : barium , lead , benzene , 2-methylphenol , an d3-&4-methylphenols . Locally , surfac e wate r

run-of f fro mth e Palmer

site discharge s directl y int o Sabin e Lak e (Ref. 9 , p . 78) . Sabin e Lake i s locate dapproximatel y 8 0 fee t eas t o f th e locatio n o f

th e fou r wastewate r

ASTs , a s illustrate do n Figur e A- 3 o f Attachmen t

A . 2. 3 LIKELIHOO D O F RELEAS E Refe r t o Sectio n 4. 1 o f

thi s documentatio n recor dfo r specifi c informatio n relate dt o sample s that mee t th e criteri a fo r a n observe dreleas e t o th e surfac e wate r migratio n pathway . 2. 4 WAST E CHARACTERISTIC S Specifi c factor s relate dt o wast e characteristic s associate dwit h Sourc e 7 ar e presente di n th e subsection s below . 2.4. 1 Selectio n o f

Substanc e Potentiall y Posin g Greates t Hazar d Presente di n Tabl e 8 ar e th e hazardou s substance s associate dwit h Sourc e 7 . Man y o f th e sam e substance s hav e bee n identifie di n eac h o f

th e te n source s bein g evaluate dfo r th e Palme r

site . Rathe r

tha n reproducin g asimila r tabl e fo r eac h source , acomprehensiv e lis t ha s bee n produce di n Tabl e 2 (refe r t o pag e 1 9 o f

thi s documentatio n record) . Th e substance(s ) selecte da s potentiall y posin g th e greates t hazar dfo r

th e pathwa y (threat ) wil l b e use di n evaluatin g th e wast e characteristic s categor y o f th e pathwa y (threat ) (Ref. 1 , Sec . 2.4.1) . Th e substanc e associate dwit h Sourc e 7 potentiall y posin g th e greates t hazar di s lead . Se e section s 4.1.3. 2 an d4.1.4. 2 o f thi s document . 2.4. 2 Hazardou s Wast e Quantit y 2.4.2. 1 Sourc e Hazardou s Wast e Quantit y 2.4.2.1. 1 Hazardou s Constituen t Quantit y (Tie r

A ) - No t

Calculate d Th e hazardou s constituen t quantit y i s no t available ; therefore, , i t

i s no t possibl e to adequatel y determin e ahazardou s constituen t

quantit y (Tie r

A ) fo r Sourc e 7 (Ref . 1 , Sec . 2.4.2.1.1) . A s aresult , th e evaluatio n o f hazardou s wast e quantit y proceed s t o th e evaluatio n o f Tier B , hazardou s wastestrea mquantit y (Ref . 1 , Sec . 2.4.2.1.2) . 2.4.2.1. 2 Hazardou s Wastestrea mQuantit y (Tie r B ) - No t Calculate d Th e hazardou s wastestrea mquantity i s no t available ; therefore , i t

i s no t possibl e t o adequatel y determin e ahazardou s wastestrea mquantity (Tie r B ) fo r Sourc e 7 (Ref . 1 , Sec . 2.4.2.1.2) . A s aresult , th e evaluatio n o f hazardou s wastestrea mquantit y proceed s t o th e evaluatio n o f Tie r C , volum e (Ref . 1 , Sec . 2.4.2.1.3) .

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# n 00 6 

# 5 6Sourc e 7 : Wastewater AST s S D -Waste Characteristic s 2.4.2.1. 3 Volum e (Tie r C ) Th e capacitie s o f

th e fou r AST s will b e assigne da s th e volume fo r thi s source . Th e capacitie s o f eac h o f th e fou r AST s wil l b e summe dan dth e resultin g numbe r wil l b e use dt o assig n avolum e base do n HR S Tabl e 2- 5 fo r thi s source . On e o f

th e fou r AST s ha s an engineere dcapacity o f 25,00 0 gallon s (Ref. 9 , p . 7) . Th e thre e remainin g AST s eac h hav e a

n engineere dcapacit

y o f 5,00 0 gallon s (Ref. 9 , p . 7) . Th e total capacit y o f th e fou r AST s equal s 40,00 0 gallons . Th e tota l capacity o f th e fou r AST s i s divide db y afacto r o f 50 0 fro mHR S Tabl e 2- 5 (Ref. 1 , Sec . 2.4.2.1.3) . Volume o f Source : 40,00 0 gallon s Valu e Assigne dVolume (fro mHR S Tabl e 2-5) : 8 0 2.4.2.1. 4 Are a(Tie r D ) - No t

Calculate d Sinc e avolum e wa s calculated , th e are a(Tie r D ) wa s no t

evaluated . 2.4.2.1. 5 Sourc e Hazardou s Wast e Quantit y Valu e Accordin g t o th e HR S Rule , th e highes t o f th e value s assigne dt o eac h sourc e fo r hazardou s constituen t

quantit y (Tier A) , hazardou s wastestrea mquantit y (Tie r B) , volum e (Tie

r Q , an dare a(Tie

r D ) shoul db e assigne da s th e sourc e hazardou s wast e quantity value . A s such , volume (Tie r C ) wa s th e only tier

evaluate dfo r

Sourc e 7 . Therefore , th e volum e wil l b e assigne da s th e sourc e hazardou s wast e quantity valu e fo r Sourc e 7 (Ref. 1 , Sec . 2.4.2.1.5) . i IterBvataate d

A B C D SwuxetValue s N E N E S O N E N E No t

Evaluated .



# 00065 7

HR S Documentatio n RecordPalme r Barg e Lin e Site 05/03/0 0 5 3 TXD06810456 1Sourc e 8 : Boile r Hous e AST s S D - Characterizatio n an dContainment SOURC E DESCRIPTIO N 2. 2 SOURC E CHARACTERIZATIO N Informatio n pertainin g t o Sourc e 8 , boile r hous e ASTs , i s presente di n th e followin g paragraphs . 2.2. 1 Sourc e Identificatio n Numbe r o f th e source : 8 Nam e an ddescriptio n o f

th e source : Boile

r hous e AST s Fou r AST s ar e locate dadjacen t

to th e boiler

hous e i n th e southwester n portio n o f

th e propeity (Ref

. 5 , pp . 5 , 8) . Th e estimate dcapacit y o f

eac h o f th e fou r AST s i s 7,00 0 gallons . Th e AST s are reportedl y ful l o f liquid . Thre e o f

th e fou r AST s wer e use dt o stor e liquid s a s afue l sourc e fo r tw o boiler s t o produc e steamdurin g site operations . Th e fourt h AS T wa s reportedl y use dfo r fres h wate r

storage . I t

i s believe dtha t

diese l an dothe r

petroleum-typ e product s wer e an dstore di n th e AST s (Ref . 5 , p . 5 ; Ref . 6 , p . 8 ; Ref . 9 , pp . 7-8) . Th e boile r hous e AST s reportedl y hel da mixtur e o f

waste s fro mth e barg e cleanin g operations , whic h wer e the n mixe dwit h naphth aand/o r diese l (Ref. 7 , p . 8) . Numerou s pipe s an d valve s wer e observe dt o connec t th e ASTs , som e o f

whic h wer e reporte dt o hav e leake dt o th e surroundin g soi l (Ref. 9 , p . 8) . Thi s sourc e wil l b e classifie da s th e HR S sourc e typ e "abov e groun dtank. " Th e fou r boile r hous e AST s will b e aggregate dan devaluate da s on e sourc e becaus e the y affec t th e sam e targets , hav e simila r wast e characteristic s an dcontainmen t features , an dli e i n th e same watershed . Locatio n o f

th e sourc e wit h referenc e t o amap o f th e site : Th e boiler

hous e AST s ar e locate di n th e southwester n portio n o f th e site , nea

r th e southern propert y boundar y a s depicte do n Figure A- 3 o f Attachmen t

A . Containment : Ga s releas e t o air : Th e ai r migratio n pathwa y wa s no t scored , therefore , ga s containmen t wa s no t evaluated . Particulat e releas e t o air : Th e ai r migratio n pathwa y wa s no t scored , therefore , particulat e containmen t wa s no t evaluated . Releas e t o groun dwater . Th e groun dwate r pathwa y wa s no t

scored , therefore , groun dwate r containmen t

wa s no t evaluated . Releas e b y overlan dflo w migratio n and/o r flood : Th e boile r

hous e AST s ar e situate ddirectl y o n th e groun d(Ref . 9 , pp . 8-9) . Eac h o f

th e fou r AST s ar e believe dt o b e ful l o f liquid . N o containmen t

structures , suc h a s aconcret e o r earthe n berm , ar e associate dwith th e boile r hous e ASTs . Numerou s pipe s an dvalve s connec t th e ASTs , som e o f whic h wer e reporte db y th e TNRC C t o hav e leake d(Ref . 9 , p . 8) . Analytica l result s o f

liqui dsample s collecte dfro mth e boiler hous e AST s reveale dth e presenc e o f benzene , 2

- methylphenol , 3&4-methylphenols , an dbariu m(Ref. 8 , p . 139-143) . HR S Documentatio n RecordPalme r Barg e Lin e Sit e 05/03/0 0 5 4 TXD06810456 1 

# 00065 8Sourc e 8 : Boile r Hous e AST s S D - Characterizatio n an dContainment 2.2. 2 Hazardou s Substance s Associate dwit h aSourc e Th e hazardou s substance s listed i n Tabl e 9 wer e detecte d i n liqui d sample s collecte d fro mth e boile r hous e AST s durin g th e TNRC C 199 9 samplin g event . Th e analytical result s presente di n Tabl e 9 are evidenc e o f th e contaminatio n associate dwit h Sourc e 8 , boile

r hous e ASTs . Sourc e sampl e location s are presente do n Figure A- 4 o f Attachmen t

A On e liqui dsampl e wa s collecte dfro meac h o f th e fou r boile r hous e AST s (station s 2 6 throug h 29 ) b y acontracto r

unde r th e directio n o f

th e TNRC C i n Jul y 1999 . Th e sample s wer e analyze db y aprivat e laborator y usin g EPA-approve dmethod s fo r TCL P characteristic s only fo r VOCs , SVOCs , pesticides , an dmetal s (Ref . 8 , pp . 139-143) . Th e TCL P identifie s th e potentia l fo r asubstanc e t o leac h fro mth e sample dmaterial . Analytical dat awer e no t

availabl e fo r

th e sample s collecte dfro mTank s 27 , 28 , an d29 ; however , base do n availabl e informatio n th e content s o f th e tan k are assume dt o b e similar . Therefore , Tank s 27 , 28 , an d2 9 wil l b e include di n th e evaluatio n o f

thi s source . Th e TCL P analytical dat awer

e reviewe dfo r

QA/Q C issue s t o verif

y tha t th e dat awere usabl e fo r HR S scorin g purposes . Practica l quantitatio n limit s were establishe db y th e laboratory an duse dfo r compariso n purpose s i n order t o establis h th e presenc e o f CERCLA-eligible hazardou s substances . QA/Q C summar y forms , resul t summaries , an dchai n o f

custody form s fo r

sample s associate dwit

h Sourc e 8 are include da s Referenc e 8 . TABLE 9 HAZARDOU S SUBSTANCE S ASSOCIATE D WITH SOURC E 8 SM&TAt S , , OW E BESEWS'JCE S Bariu m Tank2 6 07/23/9 9 1.3 7 0. 1 Ref . 8 , pp . 13 , 13 9

Benzene Tank2 6 07/23/9 9 6,058. 8 125 0 Ref . 8 , pp . 139-143 itj/ L 2-Methylpheno l Tank2 6 07/23/9 9 5 5 5 0 Ref. 8 , pp . 139-14 3 3-&4-Methylphenol s Tank2 6 07/23/9 9 12 5 5 0 Ref. 8 , pp . 139-14 3 mg/L milligram s pe r

liter . ug/L microgram s pe r

liter .

HR S Documentatio n Record 05/03/0 0 ' 5 5 Palme r Barg e Lin e Sit

e TXD06810456 1 

# 00065 9Sourc e 8 : Boiler Hous e ASTs S D - Wast e Characteristic s 2.2. 3 Identif

y Hazardou s Substance s Availabl e t o aPathwa y Becaus e containmen t

fo r Sourc e 8 i s greater

than 0 , th e followin g substance s associate dwit h Sourc e 8 ar e availabl e t o th e surfac e wate r

pathway : barium , benzene , 2-methylphenol , an d3-&4-methylphenols . Locally , surfac e wate r

run-of f fro mth e Palmer

site discharge s directl y into Sabin e Lak e (Ref . 9 , p . 78) . Sabine Lak e i s locate dapproximatel y 30 0 fee t eas t o f th e locatio n o f

th e fou r wastewate r

ASTs , a s illustrate do n Figur e A- 3 o f Attachmen t

A . 2. 3 LIKELIHOO D O F RELEAS E Refe r t o Sectio n 4. 1 o f

thi s documentatio n recor dfo r specifi c informatio n relate dt o sample s tha t mee t th e criteri a fo r a n observe dreleas e t o th e surfac e wate r migratio n pathway . 2. 4 WAST E CHARACTERISTIC S Specifi c factor s relate dt o wast e characteristic s associate dwit h Sourc e 8 ar e presente di n th e subsection s below . 2.4. 1 Selectio n o f

Substanc e Potentiall y Posin g Greates t Hazar d Presente di n Tabl e 9ar e th e hazardou s substance s associate dwit h Sourc e 8 . Man y o f th e sam e substance s hav e bee n identifie di n each o f

th e te n source s bein g evaluate dfo r th e Palme

r site . Rathe r

than reproducin g asimila r tabl e fo r eac h source , acomprehensiv e lis t ha s bee n produce di n Tabl e 2 (refe r t o pag e 1 9 o f

thi s documentatio n record) . Th e substance(s ) selecte da s potentiall y posin g th e greates t hazar dfo r

th e pathwa y (threat ) wil l b e use di n evaluatin g th e wast e characteristic s category o f th e pathwa y (threat ) (Ref . 1 , Sec . 2.4.1) . Th e substanc e associate dwit h Sourc e 8 potentiall y posin g th e greates t hazar di s benzene . Se e section s 4.1.3. 2 an d4.1.4. 2 o f thi s document . 2.4. 2 Hazardou s Wast e Quantit y 2.4.2. 1 Sourc e Hazardou s Wast e Quantit y 2.4.2.1. 1 Hazardou s Constituen t Quantit y (Tie r

A ) - No t

Calculate d Th e hazardou s constituen t quantit y i s no t

available ; therefore , i t

i s no t possibl e t o adequatel y determin e ahazardou s constituen t

quantit y (Tier

A ) fo r Sourc e 8 (Ref . 1 , Sec . 2.4.2.1.1) . A s aresult , th e evaluatio n o f hazardou s wast e quantit y proceed s t o th e evaluatio n o f Tie r B , hazardou s wastestrea mquantit y (Ref . 1 , Sec . 2.4.2.1.2) . 2.4.2.1. 2 Hazardou s Wastestrea mQuantit y (Tie r B ) - No t

Calculate d Th e hazardou s wastestrea mquantit y i s no t available ; therefore , i t

i s no t possibl e t o adequatel y determin e ahazardou s wastestrea mquantit y (Tie r B ) fo r Sourc e 8 (Ref. 1 , Sec . 2.4.2.1.2) . A s aresult , th e evaluatio n o f hazardou s wastestrea mquantit y proceed s t o th e evaluatio n o f Tie r C , volum e (Ref . 1 , Sec . 2.4.2.1.3) .

HR S Documentatio n Recor

dPalme r Barg e Lin e Sit

e 05/03/0 0 5 6 TXD06810456 1 

# 00066 0Sourc e 8 : Boile r Hous e AST s S D - Wast e Characteristic s 

### 2.4.2.1. 3 Volum e (Tie r C ) Th e capacitie s o f

th e fou r AST s wil l b e assigne da s th e volum e fo r thi s source : Th e capacitie s o f eac h o f th e fou r boile r hous e AST s will b e summe dan dth e resultin g numbe r will b e use dt o assig n avolume base do n HR S Tabl e 2- 5 fo r thi s source . Eac h o f

th e 4 AST s ha s an engineere dcapacity o f 7,00 0 gallon s (Ref. 9 , p . 7) . Th e tota l capacity o f

th e fou r AST s i s 28,00 0 gallons . Th e total capacity o f th e fou r boile r hous e AST s i s divide db y afacto r o f 50 0 fro mHR S Tabl e 2- 5 (Ref. 1 , Sec . 2.4.2.1.3) . Volum e o f Source : 28,00 0 gallon s Valu e Assigne dVolum

e (fro mHR S Tabl e 2-5) : 5 6 2.4.2.1. 4 Are a(Tie r D ) - No t Calculate d Sinc e avolum e wa s calculated , th e are a(Tie r D ) wa s no t

evaluated . 2.4.2.1. 5 Sourc e Hazardou s Wast e Quantit y Valu e Accordin g t o th e HR S Rule , th e highes t o f th e value s assigne dt o eac h sourc e fo r hazardou s constituen t

quantity (Tie

r A) , hazardou s wastestrea mquantity (Tier B) , volume (Tie

r C) , an dare a(Tie

r D ) shoul db e assigne da s th e sourc e hazardou s wast e quantit y value . A s such , volum e (Tie r C ) wa s th e only tier

evaluate dfo r

Sourc e 8 . Therefore , th e volum e wil l b e assigne da s th e sourc e hazardou s wast e quantit y valu e fo r Sourc e 8 (Ref. 1 , Sec . 2.4.2.1.5) . HerBvaluatts i A B C D 1 ' - ..Searee * Value s " N E N E 5 6 N E N E No t

Evaluated .

HR S Documentatio n RecordPalmer Barg e Lin e Sit

e 05/03/0 0 5 7 TXD06810456 1 

# 00066 1Sourc e 9 : Horizonta l AST s S D - Characterizatio n an dContainment SOURC E DESCRIPTIO N 2. 2 SOURC E CHARACTERIZATIO N Informatio n pertainin g t o Sourc e 9 , horizontal ASTs , i s presente di n th e followin g paragraphs . 2.2. 1 Sourc e Identificatio n Numbe r o f th e source : 9 Nam e an ddescriptio n o f

th e source : Horizonta

l AST s Thre e horizontal AST s ar e locate dimmediately south o f th e 12-tank

AS T battery . Th e estimate dcapacit y o f eac h o f th e thre e AST s i s 10,00 0 gallons . A concrete berm , measurin g approximatel y 3 0 fee t b y 3 0 fee t

b y 1 foo t

high , surround s th e thre e AST s an dcontaine dan unknow n greenish-colore dliqui di n Octobe r 199 9 (Ref . 6 , pp . 4-5 ; Ref . 9 , p . 7) . Th e tank s ar e believe dt o b e ful l o f liqui dan dwer e probabl y use da s par t o f th e barg e cleanin g an d degassin g syste m(Ref . 9 , p . 7) . Th e sourc e associate dwit h th e thre e horizonta l AST s wil l b e classifie dan d evaluate da s th e HR S sourc e typ e "abov e groun dtank. " Th e horizontal AST s wil l b e aggregate dan d evaluate da s on e sourc e becaus e the y affec t th e same targets , hav e simila r wast e characteristic s an dcontainmen t features , an d li e i n th e sam e watershed . Locatio n o f

th e sourc e wit h referenc e t o amap o f th e site : Th e thre e horizontal AST s ar e locate dgenerall y i n th e southeas t corne r o f th e site , approximatel y 8 0 fee t wes t o f Sabin e Lake , a s depicte do n Figure A- 3 o f Attachmen t

A . Containment : Ga s releas e t o air : Th e ai r migratio n pathwa y wa s no t scored , therefore , ga s containmen t wa s no t evaluated . Particulat e releas e t o air : Th e ai r migratio n pathwa y wa s no t scored , therefore, , paniculat e containmen t wa s no t evaluated . Releas e t o groun dwate r Th e groun dwate r

pathwa y wa s no t

scored , therefore , groun dwate r containmen t

wa s no t evaluated . Releas e b y overlan dflo w migratio n and/o r flood : Aconcret e berm , measurin g approximatel y 3 0 fee t b y 3 0 fee t b y 1 foo t hig h surround s th e thre e horizonta l ASTs . A s note db y th e TNRC C durin g th e 199 9 PA/SSI , th e ber m showe dsign s o f

breachin g an dadark , oil y sludg e wa s observe daroun dth e AST s (Ref . 6 , pp . 4-5 ; Ref . 9 , p . 7) . Further , a n unknow n greenish-colore dliqui dwa s note dinsid e th e ber man dstaine dsoil s wer e note dimmediatel y outsid e o f th e ber mdurin g th e 199 9 ES I (Ref. 9 , p . 7) . Analytica l result s fro mliqui dsample s collecte dfro mth e horizonta l AST s reveale dth e presenc e o f benzene , 2

- butanone , 2-methylphenol , 3&4-methylphenols , an dbariu m(Ref. 8 , pp . 69-92) .

HR S Documentatio n RecordPalme r Barg e Lin e Sit

e 05/03/0 0 5 8 TXD06810456 1Sourc e 9 : Horizonta l AST s S D - Characterizatio n an d Containmen t 2.2. 2 Hazardou s Substance s Associate dwit h aSourc e Th e hazardou s substance s liste di n Tabl e 1 0 wer e detecte di n liqui dsample s collecte dfro mth e horizonta l AST s durin g the TNRC C 199 9 samplin g event . The analytica l result s presente d in Tabl e 1 0 ar e evidenc e o f

the contaminatio n associate dwit h Sourc e 9 , horizonta l ASTs . Sourc e sampl e location s are presente do n Figure A- 4 o f Attachmen t

A On e liqui dsampl e wa s collecte dfro meac h o f th e horizontal AST s (station s 1 3 throug h 16 ) b y a contracto r unde r th e directio n o f

th e TNRC C i n Jul y 199 9 (Ref. 8 , pp . 12 , 72-92) . Th e sample s were analyze db y aprivat e laborator

y usin g EPA-approve dmethod s fo r TCL P characteristic s only fo r VOCs , SVOCs , pesticides , an d metal s (Ref . 8 , pp . 69-92) . Th e TCL P identifie s th e potentia l fo r asubstanc e t o leac h fro mth e sample dmaterial . Th e TCLP analytical dat awer e reviewe dfo r QA/Q C issue s t o verif

y tha t th e dat awer e usabl e fo r HR S scorin g purposes . Practical quantitatio n limit s were establishe db y th e laborator y an duse dfo r

compariso n purpose s i n orde r t o establis h th e presenc e o f CERCLA-eligibl e hazardou s substances . QA/Q C summar y forms , resul t

summaries , an dchai n o f

custod y form s fo r

sample s associate dwit h Sourc e 9 are include da s Referenc e 8 . TABL E 1 0 HAZARDOU S SUBSTANCE S ASSOCIATE D WITH SOURC E 9

• " • . SOBSIANCf

e

Bariu m

s ' "SCB^CAPfCE Benzene

2-Butanon e '

! ; ' i

- ^JCJfipEMffif

e i ? i 2-Methylpheno l i 3-&4-Methylphenol s ' SAMPLEI D Tan k 1 3 Tank 1 4 Tan k 1 5 Tan k 1 6

- ^SATVtHO&B J Tan k 1 4 Tan k I S Tan k 1 5

P 1

. • • 

### ; ^s««nj&m S-

- Tank

1 4 Tan k 1 4 Tan k 1 5 DAT

E 07/23/9 9 07/23/9 9 07/23/9 9 07/23/9 9

• • • ; BAT E 07/23/9 9 07/23/9 9 07/23/9 9

BAT E ' 07/23/9 9 07/23/9 9 07/23/9 9 , - M8E« S

CONCENTRATION It . »#

L 0.7 0 2.0 6 0.3 0 0.1 4 

### voiuras s

, CONCEm»A3IOprtong« ,

11,413. 1 2,767.2 5 2,879. 7 SEMJVQll<LES 

### ewcmiRA'a&st

f t ug* > 55 9 8 3 8 11 6 *

pqu a Tnj( & 0. 1 0. 1 0. 1 0. 1 P<JJUt t 4g4 > 50 0 500 500

- PQifo , ug/ L 40 0 40 0 5 0 REteRENCE S Ref . 8 , pp . 12,69,75,81,8 7

* RtaZKREfciCB S v Ref. 8 , pp . 75-8 6

REFEREISCE S Ref. 8 , pp . 75-8 6

mg/ L ug/ L milligram s pe r liter , microgram s per

liter .

HR S Documentatio n Record 05/03/0 0 

### 5 9 Palmer Barg e Lin e Site TXD06810456 1 

# 00066 3Sourc e 9 : Horizonta l AST s S D - Wast e Characteristic s 2.2. 3 Identif y Hazardou s Substance s Availabl e t o aPathwa y Becaus e containmen t

fo r Sourc e 9 i s greate r

tha n 0 , th e followin g substance s associate dwith Sourc e 9 ar e availabl e t o th e surfac e wate r

pathwa y include : barium , benzene , 2-butanone , 2-methylphenol , an d3-&4-methylphenols . Locally , surfac e wate r

run-of f fro mth e Palme r

site discharge s directl y int o Sabin e Lak e (Ref. 9 , p . 78) . Sabin e Lak e i s locate dapproximatel y 8 0 fee t eas t o f th e locatio n o f

th e fou r horizonta l ASTs , a s illustrate do n Figure A- 3 o f Attachmen t

A . 2. 3 LIKELIHOO D O F RELEAS E Refe r t o Sectio n 4. 1 o f

thi s documentatio n recor dfo r specifi c informatio n relate dt o sample s that mee t th e criteri a fo r a n observe dreleas e t o th e surfac e wate r migratio n pathway . 2. 4 WAST E CHARACTERISTIC S Specifi c factor s relate dt o wast e characteristic s associate dwith Sourc e 9 ar e presente di n th e subsection s below . 2.4. 1 Selectio n o f

Substanc e Potentiall y Posin g Greates t Hazar d Presente di n Tabl e 1 0 ar e th e hazardou s substance s associate dwit h Sourc e 9 . Man y o f th e sam e substance s hav e bee n identifie di n eac h o f

th e te n source s bein g evaluate dfo r th e Palme r

site . Rathe r

tha n reproducin g asimila r tabl e fo r eac h source , acomprehensiv e lis t ha s bee n produce di n Tabl e 2 (refe r t o pag e 1 9 o f

thi s documentatio n record) . Th e substance(s ) selecte da s potentiall y posin g th e greates t hazar dfo r

th e pathwa y (threat ) wil l b e use di n evaluatin g th e wast e characteristic s categor y o f th e pathwa y (threat ) (Ref . 1 , Sec . 2.4.1) . Th e substanc e associate dwit h Sourc e 9 potentiall y posin g th e greates t hazar di s benzene . Se e section s 4.1.3. 2 an d4.1.4. 2 o f thi s document . 2.4. 2 Hazardou s Wast e Quantit y 2.4.2. 1 Sourc e Hazardou s Wast e Quantit y 2.4.2.1. 1 Hazardou s Constituen t Quantit y (Tie r

A ) - No t

Calculate d Th e hazardou s constituen t quantity i s no t

available ; therefore , i t

i s no t possibl e t o adequatel y determin e ahazardou s constituen t

quantit y (Tier

A ) fo r Sourc e 9 (Ref. 1 , Sec . 2.4.2.1.1) . A s aresult , th e evaluatio n o f hazardou s wast e quantity proceed s t o th e evaluatio n o f Tie r B , hazardou s wastestreamquantit y (Ref . 1 , Sec . 2.4.2.1.2) . 2.4.2.1. 2 Hazardou s Wastestrea mQuantit y (Tie r B ) - No t Calculate d Th e hazardou s wastestrea mquantity i s no t available ; therefore , i t

i s no t possibl e t o adequatel y determin e ahazardou s wastestrea mquantit y (Tie r B ) fo r Sourc e 9 (Ref. 1 , Sec . 2.4.2.1.2) . A s aresult , th e evaluatio n o f hazardou s wastestrea mquantit y proceed s t o th e evaluatio n o f Tie r C , volum e (Ref . 1 , Sec . 2.4.2.1.3) . 2.4.2.1. 3 Volum e (Tie r C ) Th e capacitie s o f

th e thre e horizonta l AST s wil l b e summe dan dassigne da s th e volum e fo r thi s source . Eac h o f th e tanks ' capacitie s wil l b e summe dan d th e resultin g number wil l b e use dt o assig n avolum e base do n MR S Tabl e HR S Documentatio n RecordPalme r Barg e Lin e Sit

e 05/03/0 0 6 0 TXD06810456 1 

# 00066 4Sourc e 9 : Horizonta l AST s S D - Wast e Characteristic s 

### 2- 5 fo r thi s source . Eac h o f

th e thre e horizontal AST s ha s a n engineere dcapacity o f

10,00 0 gallon s (Ref. 9 , p . 7) . Th e tota l capacit y equal s 30,00 0 gallons . Th e tota l capacit y o f th e thre e horizontal AST s i s divide db y afacto r o f 50 0 fro mMR S Tabl e 2- 5 (Ref. 1 , Sec . 2.4.2 . 1 .3) . Volume o f Source : 30,00 0 gallon s Valu e Assigne dVolum

e (fro mHR S Tabl e 2-5) : 6 0 2.4.2.1. 4 Are a(Tie r D ) - No t Calculate d Sinc e avolum e wa s calculated , th e are a(Tie r D ) wa s no t

evaluated . 2.4.2.1. 5 Sourc e Hazardou s Wast e Quantit y Valu e Accordin g t o th e HR S Rule , th e highes t o f th e value s assigne dt o eac h sourc e fo r hazardou s constituen t

quantity (Tie r A) , hazardou s wastestrea mquantit y (Tier B) , volum e (Tie r

C) , an dare a(Tier

D ) shoul db e assigne da s th e sourc e hazardou s wast e quantity value . A s such , volum e (Tier C ) wa s th e onl y tie r

evaluate dfo r

Sourc e 9 . Therefore , th e volum e will b e assigne d a s th e sourc e hazardou s wast e quantit y valu e fo r Sourc e 9 (Ref . 1 , Sec . 2.4.2.1.5) . •jEtaEvataaWI A B C D ; Smura^yiahu s N E N E 60 N E N E No t

Evaluated .



# OOOIU 5

HR S Documentatio n Recor d 05/03/0 0 6 1 Palme r Barg e Lin e Site TXD06 8 10456 1Sourc e 10:TankBatter y S D - Characterizatio n an dContainment SOURC E DESCRIPTIO N 2. 2 SOURC E CHARACTERIZATIO N Informatio n pertainin g t o Sourc e 10 , 12

- tan k AS T battery , i s presente di n th e followin g paragraphs . 2.2. 1 Sourc e Identificatio n Numbe r o f th e source : 1 0 Nam e an ddescriptio n o f

th e source : 12-tan

k AS T batter y Twelv e AST s are locate di n th e eastern portio n o f th e site . Al l o f

th e AST s are identical i n siz e an dshap e an dare surrounde db y aconcrete ber mmeasurin g approximatel y 9 5 fee t b y 3 0 fee t

b y 1 foo t high . Eac h o f

th e twelv e AST s ha s an estimate dcapacity o f 7,00 0 gallon s (Ref . 9 , p . 7) . A n oil y liqui dwa s observe dinside th e berm s i n Octobe r 199 9 (Ref. 6 , p . 5) . Ther e ar e numerou s pipe s an dvalve s connectin g th e tank s whic h mos t likely aide di n th e liqui d transfe r an dseparatio n activitie s (Ref . 9 , p . 7) . Th e tank s appeare dt o b e i n goo dphysica l condition , a s n o rustin g o r leakin g wa s observe ddurin g th e 199 9 ESI . However , staine dsoi l wa s observe daroun dth e concret e ber man d appear s t o b e th e resul t

o f tan k overflo w (Ref. 5 , p . 10 ; Ref . 9 , p . 7) . Accordin g t o permi t

X-322 6 exemption , th e followin g product s wer e store di n th e twelv e ASTs : fue l oil , gasoline , naphtha , an dtoluen e (Ref . 7 , p . 3) . Th e sourc e associate dwit h th e twelv e AST s wil l b e classifie da s th e MR S sourc e typ e "abov e groun dtank. " Th e twelv e AST s wil l b e aggregate dan devaluate da s on e sourc e becaus e the y affec t th e sam e targets , hav e simila r wast e characteristic s an dcontainmen t features , an dli e i n th e sam e watershed . Locatio n o f

th e sourc e wit h referenc e t o amap o f th e site : Th e 12-tan k

AS T batter y i s locate di n th e easter n portio n o f th e site , immediatel y eas t o f th e grave l parkin g area , a s depicte do n Figure A- 3 o f Attachmen t

A . Containment : Ga s releas e t o air : Th e ai r migratio n pathwa y wa s no t scored , therefore , ga s containment wa s no t evaluated . Particulat e releas e t o air : Th e ai r migratio n pathwa y wa s no t scored , therefore , particulat e containmen t wa s no t evaluated . Releas e t o groun dwater : Th e groun dwate r pathwa y wa s no t

scored , therefore , groun dwate r containmen t

wa s no t evaluated . Releas e b y overlan dflo w migratio n and/o r flood : Th e twelv e AST s ar e constructe do f steel . Eac h o f

th e twelv e AST s ar e identica l i n siz e an dshap e an dar e surrounde db y aconcret e ber mmeasurin g approximatel y 9 5 fee t b y 3 0 fee t b y 1 foo t hig h (Ref . 5 , p . 5 ; Ref . 6 , pp . 4-5) . A s note db y th e TNRC C durin g th e 199 8 PA/SSI , th e bas e o f the tank s wer e staine dwit h an oily , blac k

material . Additionally , the ber msurroundin g the twelv e AST s showe d sign s o f breachin g (Ref . 5 , p . 5) . Analytica l result s fro mliqui dsample s collecte dfro mth e twelv e AST s revealed th e presenc e o f

benzene , 2-methylphenol , 3&4-methylphenols , an dbariu m(Ref. 8 , pp . 16-68) . Acontainmen t facto r valu e o f 1 0 wil l b e assigne dbase do n th e evidenc e o f hazardou s substanc e migratio n fro mSourc e 10 . HR S Documentatio n Recor

dPalme r Barg e Lin e Sit

e 05/03/0 0 6 2 TXD06810456 1Sourc e 10:TankBatter y S D - Characterizatio n an dContainment 

### 2.2. 2 Hazardou s Substance s Associate dwit h aSourc e Th e hazardou s substance s liste di n Tabl e 1 1 wer e detecte di n liqui dsample s collecte dfro mth e twelv e AST s withi n the tan k batter y durin g the TNRC C 199 9 samplin g event . The analytica l result s presente d i n Table 1 1 ar e evidenc e o f th e contaminatio n associate dwit h Sourc e 10 , 12-tan k AT S battery . Sourc e sampl e location s are presente do n Figure A- 4 o f

Attachmen t

A On e liqui dsampl e wa s collecte dfro meac h o f th e twelv e AST s (station s 1 throug h 12 ) b y acontracto r

unde r th e directio n o f

th e TNRC C i n Jul y 199 9 (Ref . 8 , pp . 11-12 ; 16-71) . Th e sample s wer e analyze db y aprivat e laborator y usin g EPA-approve dmethod s fo r TCL P characteristic s only fo r VOCs , SVOCs , pesticides , an dmetal s (Ref. 8 , pp . 16-28 , 35-68) . Th e TCLP identifie s th e potentia l fo r asubstanc e t o leac h fro m th e sample dmaterial . Analytical dat afo r th e sampl e collecte dfro mTan k 7 wa s no t

available ; however , base do n availabl e informatio n th e content s o f th e twelv e AST s are assume dt o b e similar . Therefore , Tan k 7 wil l b e include d i n th e evaluatio n o f

thi s source . Th e TCL P analytical dat awere reviewe dfo r QA/Q C issue s t o verif

y tha t th e dat awer e usabl e fo r MR S scorin g purposes . Practica l quantitatio n limit s were establishe db y th e laboratory an duse dfo r compariso n purpose s i n order t o establis h th e presenc e o f CERCLA-eligible hazardou s substances . QA/Q C summar y forms , resul t

summaries , an dchai n o f

custod y form s fo r

sample s associate dwit h Sourc e 1 0 are include da s Referenc e 8 . TABL E 1 1 HAZARDOU S SUBSTANCE S ASSOCIATED WIT H SOURC E 1 0 : % s SSBSTSNCJ

B

Bariu m - ;



### ;s&MJKB8 > Tank l Tan k 2 Tan k 4 Tank S Tan k 6 Tank S Tan k 9 Tank 1 0 Tan k 1 1 Tank 1 2 ; -MI

R 07/23/9 9 07/23/9 9 07/23/9 9 07/23/9 9 07/23/9 9 07/23/9 9 07/23/9 9 07/23/9 9 07/23/9 9 07/23/9 9 MElAtS

CONCENJRAIJWJton^y i %

1.0 8 1.6 5 1.4 0 1.66 1.4 0 2.4 5 0.1 3 0.2 6 0.9 8 0.4 3 - PQfcJ n 

### tag/I* " : 0. 1 0. 1 0. 1 0. 1 0. 1 0. 1 0. 1 0. 1 0. 1 0. 1 

### * " BEflEtBEPfOB S - -

Ref . 8 , pp . 11 , 12 , 16 , 23 , 29 , 35 , 41 , 47 , 53 , 54 , 60 , 65 , 6 7

mg/ L ug/ L milligram s pe r

liter , microgram s pe

r liter .

HR S Documentatio n Record 05/03/0 0 

### 6 3 Palmer Barg e Lin e Site TXD06810456 1 

# 00066 7Sourc e 10 : Tank Batter y S D - Characterizatio n an d Containment TABL E 1 1 (Continued ) HAZARDOU S SUBSTANCE S ASSOCIATED WITH SOURC E 1 0



### - , 

### ; $BBsfco«3 &

Benzen e

' " -SJJB£CMrC & 2-Methylpheno I

3 -&4-Methyiphenol s 

### '. sa&fftBS > Tan k 3 Tan k 4 Tank S Tan k 6 Tank S Tank 9 Tank 1 0 Tan k 1 2

- SAM6R«I & Tank l Tan k 2 Tank S Tank l Tan k 4 Tank S Tan k 9 Tank 1 0 

## u&is ;

07/23/9 9 07/23/9 9 07/23/9 9 07/23/9 9 07/23/9 9 07/23/9 9 07/23/9 9 07/23/9 9 IUAT O 07/23/9 9 07/23/9 9 07/23/9 9 07/23/9 9 07/23/9 9 07/23/9 9 07/23/9 9 07/23/9 9 VQLATOES

COfrCEa'ORA'ttQKf

e net . 13,222. 6 555. 2 1,673. 1 766. 8 1,977. 5 546. 3 3,533. 8 741. 8 

### saviavoiAras s COHCKSPIRAtlON i n ttg &

16 2 5 3 15 0 24 6 40 9 30 7 1,43 2 14 8 *Q£t o ug & 2500 500 25 0 25 0 25 0 25 0 50 0 500 *Qf*f c ug/ L 5 0 5 0 5 0 5 0 40 0 5 0 120 0 5 0 RQ7EHENCE S

Ref . 8 , pp . 29-64 , 67-6 8

Srai»ENCE $ Ref . 8 , pp . 16-28,40-4 5

Re t 8 , pp . 16-22 , 35-45 , 54

- 64

mg/ L ug/ L milligram s per

liter , microgram s per

liter . 2.2. 3 Identify Hazardou s Substance s Availabl e t o aPathwa y Becaus e containmen t

fo r Sourc e 1 0 i s greate r

tha n 0 , th e followin g substance s associate d wit h Sourc e 1 0 ar e availabl e t o th e surfac e wate r pathwa y include : barium , benzene , 2-methylphenol , an d 3-&4-methylphenols . Locally , surfac e wate r

run-of f fro mth e Palme r

sit e discharge s directl y int o Sabin e Lake (Ref. 9 , p . 78) . Sabin e Lake i s locate d approximatel y 8 0 fee t eas t o f th e locatio n o f

th e fou r wastewate r

ASTs , a s illustrate d o n Figur e A- 3 o f Attachmen t

A .

MR S Documentatio n Record 05/03/0 0 

### 6 4 Palme r Barg e Lin e Site TXD06810456 1Sourc e 10:TankBattery S D - Wast e Characteristic s 

### 2. 3 LIKELIHOO D O F RELEAS E Refe r t o Sectio n 4. 1 o f

thi s documentatio n recordfo r specifi c informatio n relate dt o sample s that mee t th e criteri a fo r a n observe dreleas e t o th e surfac e wate r migratio n pathway . 2. 4 WAST E CHARACTERISTIC S Specifi c factor s relate dt o wast e characteristic s associate dwit h Sourc e 1 0 ar e presente di n th e subsection s below . 2.4. 1 Selectio n o f

Substanc e Potentiall y Posin g Greates t Hazar d Presente di n Tabl e 1 1 are th e hazardou s substance s associate dwit h Sourc e 10 . Man y o f th e same substance s hav e bee n identifie di n eac h o f

th e te n source s bein g evaluate dfo r th e Palmer

site . Rathe r

tha n reproducin g asimila

r tabl e fo r eac h source , acomprehensiv e lis t ha s bee n produce di n Tabl e 2 (refe r t o pag e 1 9 o f

thi s documentatio n record) . Th e substance(s ) selecte da s potentiall y posin g th e greates t hazar dfo r

th e pathwa y (threat ) will b e use di n evaluatin g th e wast e characteristic s category o f th e pathwa y (threat ) (Ref. 1 , Sec . 2.4.1) . Th e substanc e associate dwit h Sourc e 9 potentiall y posin g th e greates t hazar di s benzene . Se e section s 4.1.3. 2 an d4.1.4. 2 o f thi s document . 2.4. 2 Hazardou s Wast e Quantit y 2.4.2. 1 . Sourc e Hazardou s Wast e Quantit y 2.4.2.1. 1 Hazardou s Constituen t Quantit y (Tie r

A ) - No t Calculate d Th e hazardou s constituen t quantity i s no t

available ; therefore , i t

i s no t possibl e to adequatel y determin e ahazardou s constituen t

quantit y (Tie

r A ) fo r Sourc e 1 0 (Ref. 1 , Sec . 2.4.2.1.1) . A s aresult , th e evaluatio n o f hazardou s wast e quantit y proceed s t o th e evaluatio n o f Tier B , hazardou s wastestrea mquantit y (Ref. 1 , Sec . 2.4.2.1.2) . 2.4.2.1. 2 Hazardou s Wastestrea mQuantit y (Tie r B ) - No t Calculate d Th e hazardou s wastestrea mquantity i s no t available ; therefore , i t

i s no t possibl e t o adequately determin e ahazardou s wastestrea mquantit y (Tie r B ) fo r Sourc e 1 0 (Ref . 1 , Sec . 2.4.2.1.2) . A s aresult , th e evaluatio n o f hazardou s wastestreamquantit y proceed s t o th e evaluatio n o f Tier C , volum e (Ref . 1 , Sec . 2.4.2.1.3) . 2.4.2.1. 3 Volum e (Tie r C ) Th e capacitie s o f

th e twelv e tank s wil l b e assigne da s th e volum e fo r thi s source . Eac h o f

th e tanks ' capacitie s wil l b e summe dan dth e resultin g numbe r will b e use dt o assig n avolum e base do n HR S Tabl e 2- 5 fo r thi s source . Eac h o f th e 1 2 tank s ha s a

n engineere dcapacit

y o f 7,00 0 gallon s (Ref

. 9 , p . 36) . Th e total capacit y equal s 84,00 0 gallons . Th e tota l capacity o f th e twelv e tank s i s divide db y afacto r o f 50 0 fro mHR S Tabl e 2- 5 (Ref. 1 , Sec . 2.4.2.1.3) . Volume o f Source : 84,00 0 gallon s Valu e Assigne dVolum e (fro mHR S Tabl e 2-5) : 16 8

HR S Documentatio n RecordPalme r Barg e Lin e Sit

e 05/03/0 0 6 5 TXD06810456 1 

# 00066 9Sourc e 10 : Tan k Batter / S D - Wast e Characteristic s 

### 2.4.2.1. 4 Are a(Tie r D ) - No t Calculate d Sinc e avolum e wa s calculated , th e are a(Tie r D ) wa s no t

evaluated . 2.4.2.1. 5 Sourc e Hazardou s Wast e Quantit y Valu e Accordin g t o th e HR S Rule , th e highes t o f th e value s assigne dt o eac h sourc e fo r hazardou s constituen t

quantit y (Tier A) , hazardou s wastestrea mquantit y (Tie r B) , volum e (Tier

C) , an dare a(Tie

r D ) shoul db e assigne da s th e sourc e hazardou s wast e quantity value . A s such , volum e (Tie r C ) wa s th e onl y tie r

evaluate dfo r

Sourc e 10 . Therefore , th e volum e will b e assigne da s th e sourc e hazardou s wast e quantit y valu e fo r Sourc e 1 0 (Ref . 1 , Sec . 2.4.2.1.5) .

* % IterEwtuate d A B C D Source lOVatae s N E N E 16 8 N E N E No t

Evaluated .

HR S Documentatio n Recor d 05/03/0 0 

### 6 6 Palme r Barg e Lin e Sit

e TXD06810456 1 

# 00067 0Source 10 : Tan k Batter y S D - Wast e Characteristic s 2.4.2. 2 

### Calculatio n o f Hazardou s Wast e Quantit y Facto r Valu e 

### Th e su mo f

th e sourc e hazardou s waste quantit y value s assignedto al l source s fo r th e pathway bein g evaluate di s use dto select

afacto r valu e fro mHR S Tabl e 2- 6 a s th e hazardou s wast e quantit y facto r valu e (Ref

. 1 , Sec . 2.4.2.2) . SU E SUMMAR

Y O F SOURCE DESCRIPTION S

rf.y.'W . • . f^^^' f 'ff'

- \ vM*W6^tf«fe\~ « 0.1 6 N B 1 0 N E N E N E 0.01 8 N E 1 0 N E N E N E 0.00 8 N E 1 0 N E N E N E 0.003 N E 1 0 N E 'N E N E

' 0.022 N E 1 0 N E N E N E 0.01 6 N E 1 0 N E N E N E 8 0 N E 1 0 N E N E N E 5 6 N E 10 . N E N E N E 60 N E 1 0 N E N E N E 1 0 16 8 N E 1 0 N E N E N E N E = No t Evaluate d 

### Base do n th e su mo f

364.2 3 fo r al l te n source s evaluate da

t th e site , ahazardou s wast e quantit y facto r valu e o f 10 0 fro mHR S Tabl e 2- 6 wa s assigne d(Ref. 1 , Sec . 2.4.2.2) . Hazardou s Wast e Quantit y Factor Value : 10 0



# 00067 1 HR S Documentatio n Recor

d 05/03/00 

### 6 7 Palme r Barg e Line Sit

e TXD06810456 1S W - Migratio n Component s

3. 0 GROUN D WATE RMIGRATIO N PATHWA Y - NO T SCORE D Th e groun dwater

pathwa y will no t

b e evaluate dbecaus e i t

i s no t expecte dto contribut

e significantl y to th e sit

e score . Th e site scor

e exceed s 28. 5 base d onl y o n th e evaluatio n o f th e surfac e water

pathway . 4. 0 SURFAC E WATE RMIGRATIO N PATHWA Y 4.6. 1 Migratio n Component s Overland/Floo dMigratio n t o Surfac e Wate r Componen t Surfac e wate r

threat s tha t

resul t fro moverland/floo dmigratio n o f hazardou s substance s fro mth e source s a t th e sit e t o surfac e wate r

will b e evaluate dfo r

th e human foo dchain threa t an denvironmenta l threa t (Ref. 1 , Sec . 4.0.1") . Th e drinkin g water

threat will no t b e evaluate da

t thi s time . Groun dWate r

t o Surfac e Wate r

Migratio n Componen t Th e groun dwate r

t o surfac e wate r

migratio n componen t

ha s no t bee n evaluate dbecaus e i t i s no t expecte dt o contribute significantl y t o th e sit e score . Th e sit e score exceed s 28. 5 base donl y o n th e evaluatio n o f th e surfac e wate r pathway . 4.0. 2 Surfac e Wate r Categorie s Accordin g t o th e HR S Rule , Sectio n 4.0.2 , coasta l tida l water s include : "embayments , harbors , sounds , estuaries , bac k bays , lagoons , wetlands , etc. , seawardfro mmouth s o f river s an dlandwar dfro mth e baselin e o f th e Territoria

l Sea. " (Ref. 1 , Sec . 4.0.2) . A s such , Sabin e Lake wil l b e evaluate da s acoastal tida l wate r bod y fo r HR S scorin g purpose s (Ref. 1 , Sec , 4.0.2) . Jefferso n County i s locate do n th e extrem e seawar dmargi n o f

th e Wes t Gul f Coastal Plai n physiographi c provinc e an dentirel y withi n th e Grasslan dCoastal Prairi e Regio n o f Texa s (Ref . 20 , p . 3 pp . 3-4) . Jefferso n County ha s a warm , humi dclimate . Precipitation , whic h average s abou t 5 4 inche s annually , i s wel l distribute dthroughou t th e yea r bu t i s greates t

fro mMa y t o Septembe r

(Ref. 20 , p . 4) . Th e Neche s River , on e o f th e majo r

stream s i n Jefferso n County , drain s th e eastern par t o f th e county an dflow s int o Sabin e Lak e (Ref . 20 , p . 4) . Majo r water-usin g industrie s fo r th e Cit y o f

Port Arthu r include : petroleu mrefining , chemica l an dallie dproduct s manufacturing , lumber

an dwoo dmanufacturing , an dfoo dpreparation . Majo r irrigatio n use s fo r

th e Cit y o f

Port Arthu r include : rice , soybean , ha y an dalfalfa , an dvegetable s (Ref . 21 , p . 5) . Surfac e wate r use dfo r

th e aforementione dresource s i n Port Arthu r an dirrigatio n farmer s i n Jefferso n County i s provide db y th e SamRayburn Reservoir , whic h i s manage dan dsupplie dthroug h th e Lower Neche s Valle y Authority . Th e SamRaybur n Reservoir i s locate dsevera l countie s nort h o f Jefferso n County (Ref. 21 , pp . 7-8) . Th e Palmer

sit e i s locate do n th e Southeas t Industria l Islet , asmal l peninsul alocate dapproximatel y 0. 5 mil e wes t o f th e Neche s Rive r

at th e poin t i t enter s th e Sabine-Neche s Canal (Ref . 3 , p . 1) . Regionally , Sabin e Lake no t only receive s wate r

fro mJefferso n County an dth e basi n o f th e Neche s River , bu t

als o fro mth e Sabin e River . Thi s wate r passe s into th e Gul f

o f Mexic o throug h Sabin e Pass , abod y o f sal t wate r lyin g betwee n Jefferso n County an d Camero n Parish , Louisian a(Ref . 22 , p . 4) . HR S Documentatio n Recor

dPalme r Barg e Lin e Sit

e 05/03/0 0 ^ 8 TXD06810456 1 

# 00067 2S W - Migratio n Components



### Sabin e Lake , immediately eas t o f th e Palme

r site , i s considere dt o b e an estuar y (Ref . 3 , p.l ; Ref . 5 , p . 13) . Estuarie s ar e uniqu e wate r bodie s wher e fres h water fro mrivers , streams , an ddirec t rainfal l mi x wit h sal t

wate r fro mth e sea . Th e typicall y high level s o f biologica l productio n i n th e estuarin e ecosystem s result s primaril y fro m their shallow , war mcoasta

l water s bein g enriche db y fres h wate r inflow s an dassociate d sediment s an dnutrients . Thi s mechanis mi s enhance db y th e barrie r islands , whic h partiall y isolat e th e bay s fro mth e Gulf

o f Mexico , keepin g th e nutrient-lade n water s insid e an dpreventin g the mfro mbein g dilute do r quickl y washe dou t

to se a(Ref

. 21 , p . 4) . Sabin e Lak

e i s approximately 6 8 square mile s i n are a(Ref . 23 , p . 2) . Designate duse s o f Sabin e Lak

e includ e contac t recreation , hig h aquati c lif e areas , an dcommercia

l an drecreationa

l fishin g (Ref. 23 , p . 2 ; Ref. 29 , p.l) . 4. 1 OVERLAND/FLOO D MIGRATIO N COMPONEN T 4.1. 1 Genera l Consideration s 4.1.1. 1 Hazardou s Substanc e Migratio n Pat h fo r Overland/Floo dMigratio n Componen t Overlan dSegmen t Th e overlan dsegment

i s define das , "th

e portio n o f

th e hazardou s substanc e migratio n pat h fro masourc e to a surfac e wate r

bod y (Ref. 14 , p . 4) . Th e PPE i s th e point a t whic h th e overlan dflo w segmen t o f ahazardou s substanc e migratio n pat

h intersect s wit

h perennially flowin g surfac e wate r (Ref . 14 , p . 4) . Th e site i s slightl y elevate dalon g th e wester n propert y boundar y an dgradually slope s towar dth e eas t i n th e directio n o f Sabin e Lake . Surfac e wate r a t th e site drain s i n a

n easterl y directio n acros s th e sit e an ddischarge s directl y into Sabin e Lak

e a t th e bulkhead/doc k

are a(Ref . 9 , p . 78) . Th e shortes t

overlan dflo w segment

for hazardou s substanc e migratio n fro masourc e at th e sit e t o an HRS-eligible surfac e wate r bod y (Sabin e Lake ) i s approximatel y 8 0 fee t (Ref. 9 , p . 79) . 

### In-Wate r Segmen t Th e in-wate r

segmen t i s th e portio n o f

th e hazardou s substanc e migratio n pat h fro mth e PP E t o th e Targe t Distanc e Limi t (TDL ) (Ref

. 14 , p . 3) . Fo r

acoastal tidal water , th e TD L i s draw n a s a n ar c wit h aradiu s o f

1 5 mile s an dth e directio n o f

flo w i s no t

considere d(Ref. 14 , p . 5) . A Surfac e Wate r Pathwa y Ma

p i s include da s Figur

e A- 7 o f Attachmen t

A an dillustrate s th e in-water segment o f th e surfac e wate r

pathwa y fo r

th e Palme r

site . PPE : Bulkhead/Doc k

a t Sabin e Lak e On e PPE ha s bee n identifie dfo r th e Palme

r site . Th e poin t

a t whic h th e overlan dsegmen t o f th e hazardou s substance'migratio n pat h intersect s wit h surfac e water , referre dt o a s th e PPE , occur s at th e bulkhead/doc k

are a a t Sabin e Lake . Local topography o f th e sit e slope s i n a

n easterl y directio n towar dSabin e Lake . Durin g th e 199 9 ESI , alarg e barg e wa s parke dat th e bulkhead/doc k

area . Th e barg e wa s no t presen t durin g th e site reconnaissanc e visi

t that wa s performe dprio r

t o th e ES I fiel dactivitie s (Ref . 9 , p , 22) . Th e bulkhead/doc k area , an dthu s th e PPE i s approximatel y 30 0 fee t i n length , a s illustrate do n Figur e A- 3 o f Attachmen t

A . In-Wate r Segment : Sabin e Lak e Th e in-wate r

segmen t o f th e hazardou s substanc e migratio n path , fro mth e PP E t o th e 15-mil e TDL , begin s an dend s withi n Sabin e Lake . HR S Documentatio n Recor

dPalme r Biug e Line Sit

e 05/03/0 0 6 9 TXD06810456 1 

# 00067 34.1.1. 2 Targe t Distanc e Limi t

(TDL ) Th e TD L define s th e maximu mdistanc e ove r whic h target s are considere di n evaluatin g asite (Ref . 1 , Sec . 4.1.1.2) . Accordin g t o th e HR S Rule , i f there i s an observe dreleas e fro mth e site t o surfac e water , i n th e watershe dbein g evaluated , tha

t i s base do n sampling , begi n measurin g th e TD L fo r th e watershe da

t th e PPE an dexten dth e TD L either fo r 1 5 mile s along th e surfac e wate r o r to th e mos t

distant sampl e point

tha t meet s th e criteri afo r

a n observe d release , whichever

i s greate r (Ref . 1 , Sec . 4.1.1.2) . A t

th e Palme r

site , th e TD L i s th e distanc e fro mth e PPE t o a n ar c wit h aradiu s o f

1 5 mile s i n Sabin e Lake . 4.1.1. 3 Evaluatio n o f Overland/Floo dMigratio n Componen t On e hazardou s substanc e migratio n pat h an don e watershe d(Sabin e Lake ) hav e bee n identifie dfo r th e surfac e water pathwa y fo r

th e Palme

r site . Thus , th e overland/floo dmigratio n component will b e evaluate dfo r

th e Sabin e Lak e watershe dbase do n thre e facio r categories : Likelihoo do f

Release , Waste Characteristics , an dTarget s (Ref . 1 , Sec . 4.1.1.3) . 4.1. 2 Drinkin g Wate r Threa t - No t Evaluate d Drinkin g wate r

intake s hav e no t

bee n identifie dwithi n th e TD L o f th e surfac e wate r

pathwa y establishe dfo r th e Palmer site . Therefore , th e drinkin g wate r threat fo r th e overland/floo dmigratio n componen t wa s no t evaluated . 4.1. 3 Huma n Foo dChai n Threa t 4.1.3. 1 Huma n Foo dChai n Threa t - Likelihoo do f

Releas e Specifi c informatio n relate dt o sedimen t sample s tha t

mee t th e criteri afo r

a n observe dreleas e fo r

th e human foo d chai n threat

are presente dan ddiscusse di n th e subsection s below . Observe dReleas e Th e surfac e wate r

pathwa y i s th e onl y pathwa y bein g score dfo r th e Palme r

site . Metal s attribute dt o th e facility hav e bee n release dt o Sabin e Lake . A n observe dreleas e t o th e surfac e wate r pathwa y wa s establishe dbase do n analytical evidenc e o f

hazardou s substance s pe r HR S Rule , Section s 2. 3 an d4.1.2.1 . Informatio n use dt o establis h an observe dreleas e fro moverland/floo dmigratio n t o th e surfac e wate r pathwa y fro msource s at th e sit e i s presente d i n th e followin g subsections . Direc t Observation : No t

Applicable . Chemica l Analysis : Developmen t

o f Sedimen t

Backgroun dLevel s A tota l o f fiv e sediment

sample s (station s 03 4 throug h 03 7 an d055 ) wer e collecte ddurin g th e 199 9 ES I fro mSabin e Lak e i n a n effor t to characteriz e backgroun dcondition s withi n th e vicinit y o f th e site . Backgroun dsedimen t sample s wer e collecte dwithi n Sabin e Lak e immediately south/southeas t o f Stewt' s Island . Thes e sedimen t sample s wer e collecte dapproximatel y 4,00 0 fee t north/northeas t

o f th e Palmer

site (Se e Figur e A-6) . Thi s portio n o f Sabin e Lak

e i s no t considere dt o receiv e runof f fro mth e site base do n it s locatio n (Ref. 3 , p . 1) .

HR S Documentatio n Recor d Palme r Barg e Lin e Sit

e 05/03/0 0 7 0 TXD06810456 1 

# 00067 4wate r

fro mth e Gulf

flow s in , fill s th e lake , an dascend s fo r mile s into th e nearb y river s an dstream s (Ref.22 , p . 4) . Thi s extensiv e tida

l mixin g implie s that

Sabin e Lak

e i s well mixed , increasin g the likelihoo d tha t the backgroun d sedimen t sample s captur e bot

h th e inflo w fro mth e Neche s Rive r an d th e tida

l influenc e fro mth e Gulf

o f Mexico . Th e backgroun dsedimen t sample s wer e collectednea r Stewt' s Island , i n aportio n o f Sabin e Lak

e whic h ha s comparabl e flo w characteristic s to th e are ajus t of f o f th e Southeas t

Industria l Isle t where th e observe dreleas e sample s were collected . Th e backgroun dsedimen t sample s wer e collectedfro mSabine Lak e i n aboat , usin g astainles s stee l Ponar « sedimen t sampler . A sufficien t

amount o f sedimen t wa s collecte

d fro mSabin e Lak

e an d place d into adedicate d mixin g bowl . Th e sedimen t wa s homogenize dan d place di n appropriate sampl e containers , labele dwit h tim e an d date , an d place dint o acoole r wit h ic e (Ref. 9 , p . 22) . Th e non-disposabl e samplin g equipmen t use ddurin g th e sedimen t samplin g collection proces s wa s decontaminate dbefor e initia l use , betwee n use s a

t successive sampl e locations,-an da

t eac h sampl e statio n location . Non-disposabl e samplin g equipmen t wa s scrubbe di n potabl e wate r containin g non-phosphate detergent an d rinse d wit

h potabl e wate r

(Ref . 9 , p . 23) . M backgroun dsedimen

t sample s wer e analyze dfor al l targe t compoun dlist

(TCL) an d targe t

analyt e list (TAL) substance s per

th e USEPA Contrac t

Laborator

y Progra m(CLP ) statemen t

o f wor k (Ref. 9 , p . 25) . QA/Q C summar y forms , resul

t summaries , an d chai n o f custod y form s fo r

th e sedimen

t sample s use dto determin e site

specifi c backgroun dconcentration s fo r th e surfac e wate r

pathwa y are include di n Referenc e 25 . Th e backgroun dsedimen t sample s collecte ddurin g th e 199 9 ESI , an ddesignate da s suc h i n thi s documentatio n record , are considere dt o b e representativ e o f backgroun dcondition s withi n Sabin e Lake . Ther e doe s no t appea r to b e an y know n commercia l o r industria l operation s occurrin g o n Stewt s Islan d(Ref. 3 , p . 1) . Site-specifi c sediment

backgroun dconcentration s determine dfo r th e Palmer

site are presente di n Tabl e 12 . Thre e time s th e maximu mconcentratio n o f eac h substanc e detecte di n al l backgroun dsample s wa s designate da s th e site

specifi c sedimen

t backgroun dconcentration . Qualifie ddat amay b e use dwhe n i t can b e demonstrate dthat th e dat a mee t th e MR S Rul e fo r

determinin g an observe dreleas e despit e th e bia s i n th e reporte dconcentrations . A s such , th e qualifie ddat awa s considere dusabl e fo r scorin g purpose s afte r

th e appropriat e actio n wa s take n a s outline di n th e "Usin g Qualifie dDat ato Documen t a n ObservedRelease " Factshee t (Ref . 34) . Thus , th e site-specifi c backgroun dconcentration s determine dfo r th e Palme r

sit e are depicte db y th e underline dvalue s i n Tabl e 12 .



# 00067 5

HR S Documentatio n Recor dPalmer Baig e Lan e Sit

e 05/03/0 0 7 1 TXD06810456 1TABL E 1 2 DESIGNATE

D BACKGROUN D CONCENTRATION S - SEDIMEN T > ; * ^ ' /SmaaW^*? *

• L •,-.-.•.% % f - . ": i ..':..':.' ; . 1 -. . S , .':...':..' : ! - ,",'" • ~>'«^H»|Wfe : : ' ' • . - - • ! feorgafilcCtPSo , • %" „ TM ^ TM &ft$$VB]jla & ,>..S*lBe3Uf

e - ••'" ; \- 

### > , ;«*sw. % ; " MBHS * - "ii»0»9 * s " • ^ -.-.Sswiw

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### ^, . 

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## «M^ ' ^ ^ ' -MB315 7 , SpccfiSc : ' 10W/9 9 Bsd«)*w

i d^ £&Mfc8tS* f ! , *»^3 J Concentratio n I n mg/kg (SQL ) Aluminu m Arseni c Bariu m Chromiu m Cobal t Coppe r Iro n Lea d Magnesium Nicke l Zin c Reference s l"?jgB&tW" '



### ~ ss»yi.j.$* > ' i22$07 > 16.5(61.53 ) 

# : j^? ^ 4.3(15.38 ) 8.51(7.69 ) 

### ^ia^i>.ife) ^csfsja * ML«-59 ) 1,41 0 (1,538 ) 5(12.30 ) 23^ 1 <1JJ * ' ^^15 ) Ref. 13 , p . 15 ; Ref.25,pp . 1

- 8 , 24 ; Ref . 26 , p . 2 7 1,290(58.3 )

2Jv(2.91 ) 9.6(58.3 ) 2. 3 (2.91 ) 3. 1 (14.57 ) 1«r*1,l » 

### j^c?^ e 4^36 0 (29.14 ) 4.8J(1.45 ) 90 2 (1,457.72 ) 19(11.66) 20.2J(5.83 ) Ref. 13 , p . 15 ; Ref. 25 , pp . 1-8 , 23 ; Ref. 26 , p . 2 7 1^20 (57.97 )

0.8IJv(/.89 ) 10. 5 (57.97 ^ 2.8(2.89 ) 2.2(14.49 ) 7.8J(774 ) 3,77 0 (28.98 ) 4.4J(1.44 ) 865(1,449.27 ) 3.1(11.59 ) 15.7J(5.79 ) Ref . 1 3 , p . 15 ; Ref. 25 , pp . 1-8,22 ; ' Ref. 26 , p . 27 705(54.34 ) 0.85Jv(2.71 ) 6.2(54J4 ) 1.9(2.71 ) 1.6(13.58 ) 6. 5 J (6.79) 3,700 (27.17 ) 2.9J(U5 ) 43 8 (U58.69 ) 2(10.86 ) 17.3J(5.43 ) Ref . 13 , p . 16 ; Ref . 25 , pp . 1-8,21 ; Ref. 26 , p . 2 7 566(54.42 )

0.94 v (2.72) 4. 3 (54.42) 13(2.72 ) UJ^ (13.60

) 1J(6.80 ) 2,140(27.21 ) 2.7J(1.36 ) 40 5 (1,360.54 ) U (10.88 ) 12J(5.44 ) Ref . 13 , p . 16 ; Ref . 25 , pp . 1-8 , 11 ; Ref. 26 , p . 2 7 8,64 0 12.9 6 N D 13. 5 N D 49. 5 19,23 0 26.1 3 N D N D 90.8 2 Ref. 1 , Sec . 2. 3

Underline dvalue s denot

e th e maximu mconcentratio n detecte di n al l backgroun dsamples . ND(« Q NotDetected(SQL) . mg/kg milligram s pe

r kilogram . ug/k g microgram s per

kilogram . J Estimate dconcentration . Accordin g t o guidanc e outline di n th e " Usin g Qualifie dDat at o Document an ObservedRelease " Factsheet , backgroun dsample s tha t

are "J " qualifie dwit

h a n unknow n bia s ma

y b e usedto determin e a n observed releas e afte r

multiplyin g b y th e appropriate CAR

D facto r (Ref . 34 , pp . 1-4,6-13) . J v ' Estimate dconcentration . Lo w bias . Accordin g t o guidanc e outline di n th e " Usin g Qualifie dDat at o Document an Observe dRelease " Factsheet , backgroun dsample s that are "J " qualifie dan dbiase dlo w ma y b e use dt o determin e an observe dreleas e afte r multiplyin g b y th e appropriate CARD facto r

(Ref. 34 , pp . 1-4,6-13) .

HR S Documentatio n Recor

d 05/03/0 0 7 2 Palme r Barg e Lin e Sit

e TXD06810456 1 

# 00067 6Observe d Releas e Sample s

Sedimen t sample s wer e collected to confir mth e presenc e o f

site-relate d contaminatio n i n Sabin e Lak e du e to potential sit

e release s an d surfac e wate r run-off . A s part

o f th e 199 9 ESI , atotal o f 1 7 sedimen

t sample s wer

e collected for

characterizatio n purposes . Th e 1 7 sampl e location s (station s 03 8 throug h 054 ) wer e situate d withi n Sabin e Lak

e adjacen t to th e Palme

r sit e (Ref. 9 , p . 22) . Th e sedimen t sample s were generally concentrate d nea r th e northern an d souther

n end s o f th e bulkhead [Se

e Figure A-5] . It

shoul d b e note d tha

t durin g th e ES I fiel d activities , abarg e wa s moore d a t th e bulkhead o f

th e Palme

r site . Th e barg e wa s no t present durin g previou s sit

e reconnaissanc e visits , therefore , th e origina l sedimen t sampl e location s wer e readjuste di n th e fiel d afte r consultatio n wit h USEP A Regio n 6 personne l (Ref . 9 , p . 22) . Th e releas e sedimen

t sample s wer e collected fro mSabin e Lak e i n th e same manne r

a s th e backgroun d sedimen t sample s - i n aboa

t usin g astainles s stee l Ponar , sedimen t sampler . A sufficien t

amount o f sedimen t wa s collecte d fro mSabin e Lake an d place d int o adedicate d mixin g bowl . Th e sedimen t wa s homogenize d an d place d i n appropriate sampl e containers , labeled wit h time an d date , an d place d into acoole r wit h ice . Th e non-disposabl e samplin g equipmen t

used durin g th e sediment samplin g collection proces s wa s decontaminate d befor e initia l use , betwee n use s a

t successiv e sampl e locations , an da t eac h sampl e statio n location . Non-disposabl e samplin g equipment wa s scrubbe d i n potabl e wate r containin g non-phosphate detergent an drinse dwit

h potabl e wate r

(Ref. 9 , p . 22) . Al l sediment

sample s collecte d fo r

characterizatio n purpose s wer e analyze d fo r al l targe t compoun d lis t

(TCL) an d targe t analyt e lis t

(TAL) substance s per

th e USEP A Contrac t

Laboratory Program(CLP ) statemen t o f wor k (Ref. 9 , p . 25) . QA/Q C summar y forms , resul t

summaries , an dchain o f custody form s fo r

th e sedimen

t sample s use d t o documen t an observe d releas e t o th e surfac e wate r pathwa y are include d i n Reference s 2 5 an d26 . Sedimen t sampl e result s use d to documen t a n observe d releas e to th e surfac e wate r pathway a

t th e Palme

r sit e are presente di n Tabl e 13 . Site-specifi c sedimen t backgroun d concentration s determine d fo r th e Palmer

site hav e als o bee n presente d i n Tabl e 13 . Thre e time s th e maximu mconcentratio n o f eac h substanc e detecte d i n al l backgroun d sample s wa s designate d a s th e site-specifi c sediment backgroun d value . A s such , an observe d releas e wil l b e establishe dwhe n th e sampl e measuremen t equal s o r exceed s thre e time s th e maximu mbackgroun d concentration . I f th e backgroun d concentratio n i s no t detected , an observe d releas e i s establishe d whe n th e sampl e measuremen t equal s or exceed s th e SQL (Ref. 1 , Table 2-3) . Underline d result s presente d i n Tabl e 1 3 mee t observe d releas e criteri aper

HR S Rule , Sectio n 2. 3 (Ref. 1 , Sec . 2.3) .

HR S Documentatio n Recor

dPalme r Barg e Line Sit

e 05/03/0 0 7 3 TXD06810456 1 

# 00067 7TABL E 1 3 OBSERVE D RELEAS E SAMPLE S - SEDIMEN T

Concentratio n ID rag/k

g (SQL ) Aluminu m 8,64 0 2,610J(76.19 ) 8,340(89.28 ) Bariu m N D Chromiu m 13. 5 13.1(4.16 ) 4.4(3.80 ) 11.7(4.46 ) Ira n 19,23 0 14,400(41.66 ) 6,160J(38.09 ) 13,600(44.64 ) Magnesiu m N D 1,73 0 (1,904.76) Reference s Ref. 1 , Sec . 2 J Ref. 13 , p . 17;Ref.25 , H3 . 1-8 , 12;Ref.26,p . 2 7 Ref . 13 , p . 17 ; Ref . 25 , pp . 1-8 , 13 ; Ref. 26 , p . 2 7 Ref. 13,p . 17 ;

Ref. 25 , pp . 1-6

, 9 , 14 ; Ref. 26 , p . 2 7 Ref . 13 , p . 17 ; Ref

. 25 , pp . 1-6,9 , 15 ; Ref . 26 , p . 27

Undefine d value s denot

e concentration s that

meet observed releas e criteri ape r MR S Rule , Sectio n 2. 3 (Ref. 1 , Sec . 2.3) . mg/kg milligram s pe r kilogram . ug/k g miciogram s pe r kilogram . 1 Estimate d concentration . Accordin g t o guidanc e outline d i n th e " Usin g Qualifie d Dat at o Documen t an Observe d Release ' Factsheet , backgroun d sample s that are "J " qualifie dwit h a n unknow n bia s ma

y b e use d to determin e a n observe d releas e afte r multiplyin g b y th e appropriat e CAR D facto r (Ref . 34 , pp . 1-4,6-13) . y - Estimate d concentration . Hig h bias . Accordin g t o guidanc e outline d i n th e 'Usin g Qualifie d Dat at o Document a n Observed Release " Factsheet , backgroun d sample s tha t are "J " qualifie dan d hig h biase d ma y b e use d t o determin e an observe d releas e afte r multiplyin g b y th e appropriate CAR

D facto r (Ref , 34 , pp . 1-4,6-13) .



# 00067 8

HR S Documentatio n Recor d 05/03/0 0 •7 4 Palmer Barg e Lin e Sit

e 1XD06810456 1TABL E 1 3 (Continued ) OBSERVE

D RELEAS E SAMPLES - SEDIMEN T 

### £sYS i •*** •

Contaitratto B I

n mg/ltg (SQL

) Aluzninu m 8,64 0 6,990(83.50 ) 5,780(76.19 ) Bariu m N D *"^*$&j$TM*f*''Z p Ouvuiiu m 13. 5 11.8(4.17 ) 10.5(3.80 ) Iro n 19^3 0 14,600(41.75 ) 14^00(38.09 ) 15^0 0 (4 8 JO ) Magnesium N D Nicke l N D 11,2(16.70 ) 9.4(15.23 ) 12.5(1932 ) Reference s Ref . 1 , Sec . 23 Ref.l3,p.l7;Ref .

25,pp.l-«,9.16 ; Ref. 26 , p . 2 7 Ref . 13 , p . 17 ; Re

f 25 , pp . 1-6,9,17 , 20 ; Ref. 26 , p . 2 8 Ref. 13 , p . 18 ; Ref . 25 , pp . 1-6,9,18 , 20 ; Ref. 26 , p . 2 8 Ref. 13 , p . 18 ; Ref . 25 , pp . 1-6,9,19 , 20 ; Ref . 26 , p . 2 8 Underline dvalue s denot

e concentration s that

mee t observed releas e criteri ape r HR S Rule , Sectio n 2 3 (Ref . 1 , Sec . 2.3) . mg/kg milligram s pe r kilogram .

HR S Documentatio n Record 05/03/0 0 7 5 

# 00067 9 Palme r Barg e Lin e Sit

e 170)06810456 1TABL E 1 3 (Continued ) OBSERVE

D RELEAS E SAMPLES - SEDIMEN T

* ^ •

Concentratio n In mg/h g (SQL ) Bahu m N D Iro n 19,23 0 17,100^(40.01 ) 12,200^(33.22) Lea d 26.1 3 18.8(2.45 ) Zin c 90.8 2 69. 2 (9.80 ) 77.4'(6.64) Referace s Re£l,Sec.2 J Ref . 13,p-18;Ref.26 , pp . 1-9,.15,28 . 12 9 Ref . 13 , p . 18 ; Re £ 26 , pp . 1-9 , 17,2 8 Ref. 13 , p . 18 ; Ref. 26 , PP . 1-9,18,2 8 linderiine d value s denot

e concentration s that

mee t observed releas e criteri ape r HR S Rule , Section 2. 3 (Ref . 1 , Sec . 2.3) . mg/kg milligram s pe

r kilogram . ug/kg m

i crograrr s pe

r kilogra m ] Estimate d concentration . Accordin g t o guidanc e outline di n th e " Usin g Qualifie d Dat at o Documen t an Observe d Release " Factsheet , backgroun d sample s tha t are "J " qualifie d with a n unknow n bia s ma

y b e used to determin e a n observe d releas e afte r rrultiplyin g b y th e appropriate CAR

D facto r (Ref . 34 , pp . 1-4,6-13) . ¥ • Estimate d concentration . Hig h bias . Accordin g t o guidanc e outline d i n th e 'Usin g Qualifie d Dat at o Documen t an Observe d Release " FacBheet , backgroun d sample s that are "J " qualifie dan dhig h biased ma y b e use d to determin e a n observed releas e afte r multiplyin g b y th e appropriate CARD facto r (Ref . 34 , pp . 1-4,6-13) .



# 0006R O HR S Documentatio n Recor d 05/03/0 0 7 6 Palmer Barg e Lin e Sit

e TXD06810456 1TABL E 1 3 (Continued ) OBSERVE

D RELEAS E SAMPLE S - SEDIMEN T

* • • % • •

Concentratio n in mg/kg (SQL ) Aluminu m 8,64 0 7.160 T (77.97 ) 6,80 0 (73-39) 8960JN-1.5

-

5973 3 (67.34

) Chromiu m 13. 5 116^(3.66 ) Iro n 19,23 0 11,OOOJ A (38.98 ) 17,400J A (36.69 ) 12,800

^ (33.67 ) .Magnesium N D Nickel N D 16.7(21.50) 10.4(15.59 ) 9.9(13.46 ) Zinc 90.8 2 47. 3 (7.79 ) 74. 4 ( 7 33 ) 37.8(6.73 ) Reference s Ref . 1 , Sec . 2 3 Ref. 13,p.l9;Ref.26 ,

pp . 1-7,20,2 6 Rfif . 13 , p . 19 ; Ref . 26 , pp . 1-7 , 21,2 6 Re£13,p.l9;Ref . 26 , pp . 1-7 , 10,22 , 2 6 Ref . 13 , p . 19 ; Re t 26 , pp . 1-7 , 10,23 , 2 6 Underline dvalue s denote concentration s tha t mee t observed releas e criteri ape r HR S Rule , Sectio n 2. 3 (Ref. 1 , Sec . 2.3) . mg/kg mflligrarn s pe

r kilogram . ug/kg microgram s pe r kilogram . 1 Estimate d concentration . Accordin g to guidanc e outline d i n th e "Usin g Qualifie d Datato Document a n Observed Release " Factsheet , backgroun d sample s that are "J " qualifie dwit h a n unknow n bia s ma

y b e used to determin e a n observed releas e afte r multiplyin g b y th e appropriate CAR

D facto r (Ref . 34 , pp . 1-4,6-13) . J * Estimate d concentration . Hig h bias . Accordin g t o guidanc e outline d i n th e 'Usin g Qualifie d Dat at o Document an Observed Release " Factsheet , backgroun d sample s that are "J " qualifie d an d hig h biase d ma y b e use d t o determin e an observe d releas e afte r multiplyin g b y th e appropriate CARD facto r (Ref. 34 , pp . 1-4,6-13) .



# 00068 1

HR S Documentatio n Record 05/03/0 0 7 7 Palmer Barg e Lin e Sit

e TXD06810456 1S W - Attributio n

Attributio n Primary operation s conducte d a t the Palme

r sit e include d cleaning , degassing , an d maintenanc e an d inspectio n o f barge s an d othe

r marin e equipment . Typica l cleanin g operations , als o referre d to a s stripping , include d th e removal o f sludge , liqui d (heels) , an d al l other residua l constituents . Thi s cleanin g wa s accomplishe d b y pressur e steamin g th e vesse l holds , engines , an d boilers . Degassin g activitie s involve d th e removal o f explosiv e vapor s fro mth e barg e holdusin g nitroge n o r

boile r exhaust . Maintenanc e an d inspectio n activitie s include d th e replacement and/o r repair o f valves , engines , an d line leak s followe d b y pressur e test s an d fractur e assessments . Reportedly , Palme r Barg e Line , Inc . utilize d tw o diesel/mixe d fue l boiler s t o produc e low-pressure stea mt o ai d i n th e cleanin g o f barges . Engine s wer e degrease d an d residual s spille d durin g th e loadin g an d unloadin g o f th e barge s were store d o n site hi slo p tank s (Ref. 5 , pp . 4-5 ; Ref . 7 , p . 2 ; Ref. 9 , p . 6) . Structure s a

t th e site include various-size d stee l ASTs , severa l open-top slop tanks , roll-of f boxes , an d 55-gallo n drum s (Ref. 5 , p . 8 ; Ref . 9 , p . 6) . Fre e standin g oil y liquid s an d staine d soil s hav e als o bee n observe d a t th e sit e (Ref . 5 , Health an d Safet

y Plan , p . 4) . A detaile d descriptio n o f eac h o f th e abov e structures , a s wel l a s additiona l structure s no t

previousl y mentioned , i s presente d i n th e followin g paragraphs . A Site Pla n i s provide d a s Figure A- 3 o f Attachment

A Fou r AST s ar e locate d i n th e northeastern portio n o f th e site . Th e fou r

ASTs , on e estimate d at 25,00 0 gallo n capaci y an d thre e 5,00 0 gallo n capacit y tanks , ar e constructe d o f stee l an d surrounde d b y a n earthe n ber m measurin g approximatel y 9 0 fee t b y 5 0 fee t

b y 3 fee t hig h (Ref. 5 , p . 8 ; Ref . 9 , p . 7) . Thes e fou r AST s wer e use d fo r bul k wast e storag e durin g barg e cleanin g operation s a t th e site . Th e fou r

AST s ar e rustin g nea

r th e bas e an d are believe d t o b e ful l o f unknow n liquids . On e foo t o f oil y liqui d wa s observe d insid e th e ber mdurin g asite visi t conducte di n 199 8 (Ref. 9 , p . 7) . Fou r AST s ar e locate d adjacen t t o th e boile

r hous e i n th e southwester n portio n o f th e propert y (Ref . 5 , pp . 5 , 8) . Th e estimate d capacity o f eac h o f thes e AST s i s 7,00 0 gallon s an dth e AST s are reportedl y ful l o f liquid . Thre e o f th e fou r AST s reportedl y wer e use d t o stor e liquid s a s afue l sourc e fo r tw o boiler s t o produc e steamdurin g sit e operation s (Ref. 5 , pp . 5 , 8 ; Ref . 9 , pp . 7-8) . Th e fourt h AS T wa s reportedl y use d fo r freshwate r

storage . I t

i s believe dthat

diese l an d other

petroleum-typ e product s wer e store d i n th e AST s (Ref . 6 , p . 8 ; Ref . 9 , p . 8) . Th e AST s ar e locate d directl y o n th e groun d an d n o containmen t feature s ar e associate d wit h thes e ASTs . Numerou s pipe s an d valve s wer e observe d t o connec t th e ASTs , som e o f

whic h wer e reporte d t o hav e leake d t o th e surroundin g soil (Ref. 9 , p . 8) . Fou r open-to p slo p tank s an dfiv e close d slo p tank s ar e locate d o n site . Th e open-to p slo p tank s ar e locate d wes t o f th e flar e an dconsis t

o f stee l container s ful l o f

an oil y material . Thes e slo p tank s eac h measur e approximatel y 8 fee t b y 5 fee t

b y 4 fee t

(o r 6 cubi c yards ) (Ref . 9 , p . 8) . Th e soi l belo w th e slo p tank s i s staine d an dstresse d vegetatio n ha s bee n noted . Th e open-to p slo p tank s ar e situate d directl y o n th e groun d wit h n o secondary containmen t

presen t (Ref . 9 , p . 8) . Thre e slo p tank s ar e locate d i n th e norther n portio n o f th e propert y an d th e remainin g tw o tank s are locate d i n th e easter n portio n o f

th e property (Ref

. 9 , p . 8) . Thre e horizonta l AST s ar e locate d nea r th e southeas t

comer o f th e site . Th e estimate d capacity o f th e thre e tank s i s 10,00 0 gallon s each . A concrete berm , measurin g approximatel y 3 0 fee t b y 3 0 fee t

b y 1 foo t

high , surround s th e thre e AST s an dcontaine d a n unknow n greenish-colore d liqui d durin g th e mos t recen t fiel dactivitie s conducte d i n Octobe r 199 9 (Ref. 9 , p . 7) . Th e tank s ar e believe d t o b e ful l o f liqui d an dwer e probabl y use d a s part o f th e barg e cleanin g an ddegassin g system . Staine d soil s ar e presen t aroun d th e ber man dappea r t o b e th e resul t

o f tan k overflo w (Ref . 9 , p . 7) . HR S Documentatio n Recor

dPalme r Baig e Lin e Sit

e 05/03/0 0 7 8 TXD06810456 1 

## 000 6 R PSW-Attribution

Twelv e AST s ar

e locate din the easter

n portio n o f

the site . All o f

the AST s ar

e identica l in size (estimatedcapacit y i s 7,00 0 gallon s each ) an dshap e an dare surrounde db y aconcret e ber mmeasurin g approximatel y 9 5 fee t b y 3 0 fee t b y 1 foo t hig h (Ref

. 5 , p . 5 ; Ref. 9 , p . 7) . A n oily liqui dwa s observe dinsid e th e ber mi n Octobe

r 1999 , althoug h th e tank s di d no t

appea r to b e leakin g (Ref. 5 , p . 5 ; Ref . 6 , p . 5 ; Ref. 9 , p . 7) . Ther e are numerou s pipe s an d valve s connectin g th e tank s whic h mos t likel y aide di n th e liqui dtransfe r an dseparatio n activitie s (Ref. 9 , p . 7) . Th e tank s appeare dto b e i n goo dphysica l condition a s n o rustin g or leakin g wa s observe ddurin g th e Octobe r 199 9 fiel d activities . However , staine dsoil wa s observe daroun dth e concret e ber man d appear s to b e th e result o f tan k overflo w (Ref

. 5 , p . 10 ; Ref. 9 , p . 7) . A flare , locate dgenerall y i n th e central portio n o f th e site , wa s use dto bur n exces s gasse s an d liquid s produce d durin g sit e operation s (Ref. 9 , p . 8) . Area s o f concer n includ e staine dsoil s immediatel y belo w an d aroun dth e flar e stac k (Ref. 5 , p . 10) . On e roll-of

f bo x i s locate deas t

o f th e 12-tan

k AS T battery . Th e roll-of f bo x containe dadark , oily sludg e (Ref . 5 , p . 5) . A n abandone dvacuu mtruc k wa s note dnea

r th e bulkheadi n th e easter n portio n o f

th e site . Th e content s o f th e vacuu mtruc k

are unknow n (Ref. 6 , p . 5) . A n oil/water separator , consistin g o f

tw o ASTs , i s locate ddirectl y southwes t o f th e 12-tan

k AS T battery (Ref

. 9 , p . 9) . Additiona l area s o f concer n include miscellaneou s 55-gallon drums , compresse dga s cylinders , pain t can s an d buckets , al l o f

whos e content s are unknow n (Ref. 9 , p . 8) . Tw o rectangular-shape dASTs , eac h approximatel y 15 0 gallons , are locate dwithi n th e vicinity o f th e 12-tan

k AS T battery . Thes e AST s mos t likef y serve da s fue l tank s an d containe ddiesel , whic h wa s use dfo r sit e vehicl e refuelin g (Ref

. 6 , pp . 5-6 ; Ref . 9 , p . 9) . I n Decembe r

1996 , th e TNRC C Regio n 1 0 fiel doffic e conducte damulti-medi ainvestigatio n o f th e Palme

r site . Th e primary purpos e o f

th e investigatio n wa s t o determin e th e facility' s ai r complianc e statu s with th e FCAA (Ref. 9 , p . 9) . Th e Palmer

sit e operate dunde r

tw o permi t

exemptions : permi t

exemptio n X-322 6 an dX-3346 . Accordin g t o permi t exemptio n X-3226 , issue do n 7 January 1982 , th e followin g product s wer e store dwithi n th e 12-tank AS T battery : fue l oil , gasoline , naphtha , an dtoluen e (Ref . 7 , pp . 2,3) . Additiona

l samplin g o f

th e variou s tank s o n sit

e had bee n performe db y th e tim e thi s documentatio n recordwa s prepared , bu t th e analytical result s ar e still pending . A s listedi n permi t

exemptio n X-3346 , compound s expecte dt o b e encountere ddurin g barg e cleanin g operation s include : alcohols , crud e oil , diesel , gasoline , kerosene , je t fuel , mineral oils , naphtha , marin e diesel , toluene , an dlub e oi l (Ref. 7 , p . 28) . Record s reviewe db y TNRC C personne l reveale dnumerou s othe r compound s no t

represente d i n th e permit s hav e bee n service da t thi s facility , including : ammonia , cyclohexane , adiponitrile , propylene , butadiene , an dhexan e (Ref . 7 , pp . 28-30) . I n Marc h 1998 , th e TNRC C Regio n 1 0 fiel doffice , i n cooperatio n with th e USEP A Regio n 6 , prepare daPA/SS I fo r th e Palmer

site . Variou s waste sourc e area s were identifie db y th e TNRC C durin g thi s particula r investigatio n whic h are believe dto b e th e result o f historica l sit e operations . A total o f

thirtee n soil an dtwelv e sedimen t sample s wer e collecte dan danalyze da s par t o f thi s investigatio n (Ref. 5 , pp . 24-25) . Analytica l result s fo r thes e sample s indicate dtha t

several metal s were detecte di n both surfac e soil an dsediment sample s collecte dfro mvariou s area s o f th e sit e an di n th e adjacen t Sabin e Lake (Ref. 9 , p . 10) . Thi s repor t ha s bee n provide da s Referenc e 5 . I n Jul y 1999 , acontracto r under th e directio n o f

th e TNRC C Regio n 1 0 sample damajority o f th e ASTs , roll-of

f boxes , an dslo p tank s locate dat th e sit e fo r

characterizatio n purposes . Th e sample s collecte dwer e analyze dfo r TCLP characteristic s only fo r volatiles , semivolatiles , pesticides/PCBs , an dmetal s (Ref . 9 , p . 10) . Th e TCL P identifie s th e potential fo r asubstanc e t o leac h fro mth e sample dmaterial . Analytical result s fro mthes e sample s indicate dsevera l compound s tha t exceede dth e PQ L use db y th e laboratory fo r compariso n purposes . Thes e HR S Documentatio n RecordPalme r Barg e Line Sit

e 05/03/0 0 7 9 TXD06810456 1S W - Huma n FoodChain Threa

t 

### compound s included : barium , lead , 2-methylphenol , 3 & 4-methylphenols , benzene , an d2-butanone . Thi s repor t an d analytica l result s hav e bee n provide da s Referenc e 8 . I n October 1999 , acontracto r

unde r directio n o f

th e USEP A Regio n 6 , performe dan ES I a t th e Palme r

sit e h i an effor t t o determin e th e presenc e an dnatur e o f contaminatio n h i know n o r suspecte do n sit e an dof

f site locations . Additionally , migratio n route s an droute s o f exposure o f

site-relate dconstituent s were determine dfo r th e sit e (Ref. 9 , p . 2) . Th e ES I fiel dactivitie s focuse do n th e collectio n o f soil , groun dwater , an dsediment sample s (Ref. 9 , p . 3) . Laborator y analytica

l result s fo r

sample s collecte ddurin g th e ES I confirme dth e presenc e o f site-relate d contaminate dsoil and , to alesse r extent , contaminate dgroun dwater , i n severa l sourc e area s a

t th e site . Site-relate d contaminant s o f

concer n includ e metal s (Ref. 9 , p.31-39) . Further , laboratory analytical result s fo r sediment sample s obtaine dfro mSabin e Lak

e confirme dtha t

site-attributabl e contaminatio n wa s present i n Sabin e Lake (Ref. 9 , p . 80) . Th e 199 9 ES I als o suggeste dth e presenc e o f pesticide s an dother

organi c compounds , includin g polycycli c aromati c hydrocarbon s (PAHs) , pentachloropheno l (PCP) , an dbenzen e (Refs . 10 , 16 , 18 , 19 , 24) . Thi s report ha s bee n provide da s Referenc e 9 . Base do n observation s mad e durin g th e Octobe r 199 9 ESI , th e majorit y o f th e source s identifie dfo r

th e sit e hav e insufficien t o r non-existen t

containmen t

features . Non e o f

th e source s identifie dhav e secondar y containment feature s tha t

woul dpreven t

o r contai n areleas e o f

hazardou s substance s i n th e even t tha t the y becom e floode d(Ref. 9 , pp . 79-80) . Further , th e site i s locate dwithi n th e 100-yea r fioodplai n an dth e averag e annual rainfal l forJefferso n County i s approximatel y 5 4 inche s (Ref. 9 , p . 79 ; Ref . 20 , p . 4) . Th e Stat e Marin e o f

Por t Arthu r site i s locate do n Ol dYach t Clu b Road , als o o n Southeas t Industria l Islet

(als o know n a s "Pleasur

e Islet") , immediatel y south o f th e Palme r

Barg e sit e (Ref. 27 , p . 8 ; Ref . 35 , p . 3) . Th e Stat e Marin e site i s currentl y listedo n th e USEPA' s Nationa l Prioritie s Lis t (i.e. , Superfund) . Bot

h Stat e Marin e an d Palme r Barg e Lin e ar e owne db y th e same individua l (Ref. 35 , p.3) . I n an Octobe r 16 , 1999 , lette r

t o Texa s Senato r Phi l Gramm , th e owner

o f both site s state dtha t

"i f ther e i s an y contaminatio n i n Sabin e Lake i t ha s com e fro mth e adjacen t

shipyar d[Palme

r Barg e Lin e site ] rathe r

tha n m y original propert y [Stat e Marin e site] " (Ref . 35 , 

### p.3) . Potentia l t o Releas e Accordin g t o th e HR S Rule , potential t o releas e i s evaluate donl y i f an observe dreleas e canno t b e establishe dfo r th e watershe do f

concer n (Ref. 1 , Sec . 4.1.2.1.2) . A s such , th e potentia l t o releas e sectio n fo r th e surfac e wate r migratio n pathwa y wil l no t

b e evaluate dsinc e an observe dreleas e ha s bee n documente dat th e Palme r

site . 4.1.3. 2 Huma n Foo dChai n Threa t - Wast e Characteristic s Specifi c factor s relate dt o wast e characteristic s associate dwit h source s at th e sit e ar e presente di n Sectio n 2. 0 o f thi s documentatio n record . Accordin g t o th e HR S Rule , acombine dtoxicity/persistence/bioaccumulatio n facto r valu e i s determine dfo r

th e hazardou s substance s bein g evaluate dfo r th e huma n foo dchai n threa t (Ref. 1 , Sec . 2.4.1.2) . A s such , adiscussio n of . eac h separat e facto r valu e i s presente di n th e followin g subsections . Facto r value s fo r toxicity , persistence , an dbioaccumulatio n ar e presente di n Tabl e 14 , a s wel l a s th e appropriat e calculation s fo r th e Human Foo dChai n Threat . 

# 00068 4 HR S Documentatio n RecordPalme r Barg e Lin e Sit

e 05/03/0 0 8 0 TXD06810456 1S W - Huma n FoodChain Threa

t TABL E 1 4 TOXIC1TY , PERSISTENCE , BIOACCUMULATIO N VALUE S

Aluminu m 5 0 Bariu m 10,00 0 0. 5 10,00 0 5,00 0 Chromium 10,00 0 50 0 10,00 0 5,000,00 0 Cobal t 0. 5 0. 5 Iro n 0. 5 0. 5 Lea d 10,00 0 5,00 0 10,00 0 50,000,00 0 Magnesium 0. 5 Mercur y 10,00

0 50,00 0 10,00 0 500,000,00 0 Nickel 10,00 0 

### 1 50 0 10,00 0 5,000,00 0 Zinc 1 0 

### 1 50,00 0 1 0 500,00 0 Toxicity , persistence , andbioaccumulatio n facto r value s ar e presente din SCDM (Ref

. 2) . 

### 4.1.3.2. 1 Toxicity/Persistence/Bioaccumulatio n 4.1.3.2.1. 1 Toxicit y 

### Accordin g t o th e HR S Rule , toxicit y i s evaluate dfo r

thos e hazardou s substance s at th e sit e tha t

are availabl e t o a pathwa y bein g score d(Ref. 1 , Sec . 2.4.1.1) . Toxicit y value s fo r

hazardou s substance s are assigne di n th e Superfun d Chemica l Dat aMatri x (SCDM) an dpresente din Tabl e 1 4 (Ref. 2) . 4.1.3.2.1. 2 Persistenc e Accordin g t o th e HR S Rule , apersistenc e facto r valu e i s assigne d t o eac h hazardou s substanc e base d primaril y o n th e half-lif

e o f th e hazardou s substance s i n surfac e wate r an d secondaril y o n th e sorptio n o f th e hazardou s substance s t o sediment s (Ref. 1 , Sec . 4.1.2.2.1.2) . Persistenc e value s fo r hazardou s substance s are assigne d i n SCD M an d presente d i n Tabl e 14 . 

### 4.1.3.2.1. 3 Bioaccumulatio n Potentia l 

### Th e bioaccumulatio n potential facto r valu e (BPFV ) reflect s th e tendenc y fo r asubstanc e t o accumulate i n th e tissu e o f a n aquati c organism . Th e greater th e BPFV , th e greate

r th e relativ e tendenc y o f

asubstanc e to accumulate (Ref . 14 , p . 6) . BPFV s fo r

hazardou s substance s are assigne di n SCD M an dpresente di n Tabl e 1 4 (Ref. 2) . 4.1.3.2.1. 4 Calculatio n o f Toxicity/Persistence/Bioaccumulatio n Facto r Valu e 

### Accordin g t o th e HR S Rule , atoxicity facto r i s assigne dper

HR S Tabl e 4-1 2 base do n th e produc t o f th e value s assigne dt o th e hazardou s substanc e fo r th e toxicit y an dpersistenc e factor s (Ref. 1 , Sec . 4.1.3.2.1.4) . Base do n a toxicit y facto r o f 10,00 0 an dapersistenc e facto r o f 1 , atoxicity/persistenc e facto r valu e o f 10,000 wa s assignedfor mercury per

HR S Tabl e 4-1 2 (Ref. 1 , Sec . 4.1.3.2.1.4 , Tabl e 4-12) . HR S Documentatio n Recor

d 05/03/0 0 

## 8 1 Palmer Barg e Lin e Sit

e TXD06810456 1 

# 00068 5S W - Human FoodChain Threa t Toxicity/Persistenc e Facto r Value : 10,00 0 Accordin g to th e HR S Rule , atoxicity/persistence/bioaccumulatio n facto r valu e i s assigned per

HR S Tabl e 4-1 6 base do n th e produc t

o f th e value s assigne dfo r

th e toxicity/persistenc e an dbioaccumulatio n potential factor s (Ref. 1 , Sec . 4.1.32.1.4 ; Ref . 2) . Th e hazardou s substanc e wit h th e highes t

valu e i s assigne d a s th e toxicity/persistence/bioaccumulato n facto r valu e fo r th e watershe d(Ref. 1 , Sec . 4.1.4.2.1.4) . Base do n a toxicity/persistenc e facto r

valu e o f 10,00 0 an dabioaccumulatio n facto r valu e o f 50,00 0 fo r

mercury , a toxicity/persistence/bioaccumulario n facto r valu e o f 500,000,00 0 i s assigne d fo r th e watershe dper

HR S Tabl e 4

- 1 6 (Ref. 1 , Sec . 4.1.3.2.1.4 , Tabl e 4-16) . Toxicity/Persistence/Bioaccumulatio n Facto r Value : 5 x 10 s 4.1.3.2. 2 Hazardou s Wast e Quantit y Specifi c informatio n relatin g t o th e hazardou s waste quantity fo r th e watershe dbein g evaluate di s presente di n Sectio n 2. 4 o f

thi s documentatio n record . I f an y targe t

fo r amigratio n pathwa y i s subjec t t o Leve l I o r

Level n concentrations , eithe r

th e valu e fro mHR S Tabl e 2- 6 o r avalu e o f

100 , whicheve r

i s greater , i s assigne da s th e hazardou s wast e quantity facto r valu e fo r th e pathway . Th e sourc e hazardou s wast e quantity value s fo r Source s 1 throug h 1 0 wer e summe dan dth e valu e o f 10 0 wa s assigne dfro mHR S Tabl e 2- 6 (Ref. 1 , Sec . 2.4.2.2) . Hazardou s Waste Quantit

y Facto r Value : 10 0 4.1.3.2. 3 Calculatio n o f Huma n Foo dChai n Threa t - Wast e Characteristic s Facto r Categor y Valu e Accordin g t o th e HR S Rule , th e wast e characteristic s facto r category i s calculated , fo r th e watershe dbein g evaluated , base do n it s toxicity/persistenc e facto r valu e an dBPF V (Ref. 1 , Sec . 4.1.3.2.3) . Th e produc t o f th e toxicity/persistenc e facto r

valu e o f 10,00 0 an dth e hazardou s waste quantit y factor valu e o f 10 0 i s multiplie db y th e BPF V (50,000) , resultin g i n awast e characteristic s facto r categor y valu e o f 5 x 10' ° (Ref . 1 , Sec . 4.1.3.2.3 ; Ref . 2) . Base do n thi s result , avalu e i s selecte dfro mHR S Tabl e 2- 7 a s th e huma n foo dchai n threa t - waste characteristic s facto r

category valu e fo r

th e watershe dbein g evaluated . A s such , avalu e o f 32 0 i s assigne d (Ref . 1 , Sec . 4.1.3.2.3 , Tabl e 2-7) . Huma n Foo dChai n Threat - Wast e Characteristic s Facto r Category Value : 32 0 4.1.3. 3 Huma n Foo dChai n Threa t - Target s Accordin g t o th e HR S Rule , th e followin g targe t factor s fo r

eac h watershe do f

concer n ar e evaluated : foo d chai n individual an dpopulatio n (Ref . 1 , Sec . 4.1.3.3) . A fisher y i s define da s "an y are ao f asurfac e wate r

body fro mwhic h huma n foo dchai n organism s ar e take n o r coul db e take n fo r

huma n consumptio n o n acommercial , recreational , o r

subsistenc e basis " (Ref. 14 , p . 6) . A fishery , o r aportio n o f

afishery , ha s bee n documente dt o b e presen t withi n th e TDL . Commercia l fishin g occur s withi n th e coasta l water s o f

Sabin e Lake (Ref. 28 , pp . 7 , 9 , 12 ; Ref . 29 , p . 1) . Th e Texa s Park s an dWildlif

e Departmen t

(TPWD ) ha s monitore dth e commercia l landing s an dvalu e o f marin e fishes , oysters , crabs , an dshrim p throug h amandatory self-reportin g syste mknow n a s th e Monthl y Aquati c Product s Report

(MAPR) . Commercia l fishin g i s an importan t industr y i n Texa s (Ref. 28 , pp . 7 , 9) . HR S Documentatio n Recor

dPalmer Barg e Lin e Sit

e 05/03/0 0 8 2 TXD06810456 1. SW

- Huma n FoodChain Threa

t 

### The valu e o f

the ba y fishin g relie s primaril y o n shrimp , blu e crabs , Easter n oysters , an d finfis h (Ref . 28 , p . 10) . Sabine Lak

e ha s bee n designate da s ahigh aquati c Lif e are a(Ref

. 23 , p . 2) . Accordin g t

o the TPWD , Sabine Lak

e withi n the vicinit

y o f the Palme r sit e i s als o heavily fishe do n a recreationa

l basi s du e to th e mixin g o f fres h water

an dsal t wate r a t th e mout h o f th e Neche s River . Th e are ai s popula r fo r recreational fishin g becaus e o f th e wid e variety o f

bot h fres h wate r

an dsal t water fis h tha t occu r withi n thi s mixin g zone (Ref . 29 , p . 1 ; Ref

. 30 , p . 1) . 4.1.3.3. 1 Foo dChai n Individua l Basedo n analytica

l result s o f

sedimen t sample s collecte dfro mSabin e Lake , aportio n o f th e Sabin e Lak

e fisher y ha s bee n documente dt o b e subjec t t o Leve l n concentrations . Therefore , avalu e o f 4 5 ha s bee n assigned fo r th e foo dchai n individual factor . (Ref. 1 , Sec . 4.1.3.3.1) . FoodChain Individual : 4 5 4.1.3.3. 2 Populatio n 4.1.3.3.2. 1 Leve l I Concentration s Tissue sample s fro messentiall y sessile , benthi c human foo dchai n organism s fro mSabine Lak e hav e no t been collected . Therefore , Leve l I concentration s fo r afisher y hav e no t

bee n establishe d(Ref. 1 , Sec . 4.1.3.3.2.1) . 4.1.3.3.2. 2 Leve l I I Concentration s Sinc e hazardou s substance s havin g aBPFV o f 50 0 o r greate r (chromium , lead , nickel , an dzinc ) are present i n sedimen t sample s tha t

mee t th e criteri afo r

an observe dreleas e t o th e watershed , aportio n o f th e Sabin e Lak

e fisher y i s subjec t

t o actual , Level n contamination . (Ref . 1 , Sec . 4.1.3.3) . Commercia

l fishin g i s a

n importan t

industry i n Texas . Th e averag e annua l productio n fo r

Sabin e Lake , a s a commercial fishery , ha s bee n conservativel y estimate dbase do n MAP Rfisherie s productio n dat afro m197 2 t o 1992 . Th e tota l productio n provide drepresent s th e weight (i n pounds ) o f

severa l fis h an dcrustacea

n species , including : flounder , blac k

drum , brow n an dpin k

shrimp , white shrimp , an dblu e cra b (Ref. 28 , p . 12) . According t

o the TPWD , Sabine Lak

e withi n the vicinit

y o f the Palme r sit e i s als o heavily fishe do n a recreational basi s du e to th e mixin g o f fres h wate r

an dsal t wate r a t th e mouth o f

th e Neche s River . Th e are ai s popula r fo r recreationa l fishin g becaus e o f th e wid e variety o f

both fres h wate r

an dsalt wate r fis h that occu r withi n thi s mixin g zone (Ref . 29 , p . 1 ; Ref

. 30 , p . 1) .



# 00068 7 HR S Documentatio n Recor

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l ESTIMATE

D ANNUA L PRODUCTION S FO RLEVE L H FISHERIES

STv . '•' • * ^ . . •

. *-• . xJ&toa

y " " -" ; " 1 Sabin e Lak e (Commercial) ; , ~

_-S&srte s Flounde r Blac k Dru m Sheepshea

d Other Finfis h Brow n & Pin

k Shrim p Whit e Shrim p Blu e Cra b Othe r Shellfis h ABBWS ! Production (pounds ) 94 4 12 6 1,01 1 2,26 6 5,11 3 69,54 0 588,56 2 378. 5 • • . . - \Refcteote s Re£l;Re£28,p . 1 2

TOTALAVEaiAGEArfffUALPRODCCnONforSABINELAKE : 657,940. 5

Th e estimate d annua

l productio n fo r

Sabin e Lak

e caught recreationall y coul d no t

b e estimate d an d therefor e wa s no t take n int o account whe n calculatin g th e total annua l productio n fo r

Sabin e Lake . Sabin e Lake i s considere d t o b e afishery wher e bot h commercial an d recreational fishin g occurs . Presente d i n th e followin g table s i s informatio n regardin g sediment sample s displayin g Leve l I I concentration s fo r metal s that mee t observe d releas e criteri ape r HR S Rule , Sectio n 2.3 . Specifi c sediment sampl e location s wit

h Leve l I I concentration s are depicte d o n Figur e A- 8 o f Attachmen t

A .

HR S Documentatio n Recor d 05/03/0 0 8 4 Palme r Barg e Lin e Sit

e TXD06810456 1S W - Huma n Food Chain Threa

t LEVE L n CONCENTRATION S

'- . •.- . * jfji* . ^ " • J. J .fiv^ i i ? ^_> 5 " j J*i ' '

Aluminu m

Bariu m

Chromiu m

Iro n

Lea d »^&B&*B*s":; i 038-51- 1 041-51- 1 043-51- 1 045-51- 1 051-51- 1 038-51- 1 039-51- 1 040-51- 1 041-51- 1 042-51- 1 043-51- 1 044-51- 1 045-51- 1 046-51- 1 048-51- 1 049-51- 1

. 051-51- 1 052-51- 1 041-51- 1 043-51- 1 045-51- 1 051-51- 1 041-51- 1 043-51- 1 049-51- 1 051-51- 1 048-51- 1 049-51- 1 ,-f

; <JWK«SOm«6t

t - 8,680 mg/kg ll^OOmg/k g . 8, 7 1 0 mg/kg 9,66 0 mg/kg 9,60 0 mg/kg 30 8 mg/kg 147 mg/kg 22 7 mg/kg 27 6 mg/kg 23 8 mg/kg 33 2 mg/kg 24 0 mg/k g 28 9 mg/kg 76.06 mg/k g 274. 2 ing/k

g 133. 3 mg/kg 69 . 6 mg/kg 60. 6 mg/kg 1 5 2 mg/kg 3 U mg/k g 20.1mg//k g 15 5 mg/k g 19,40 0 mg/kg 34,60 0 mg/k g 2 1,08 3 mg/kg 19,58 3 mg/kg 29. 2 mg/k g 6 1 J mg/kg 

# "C***t; ? 5 0 5 0 5 0 5 0 5 0 0. 5 0. 5 0. 5 0. 5 0. 5 0. 5 0. 5 0. 5 0. 5 0. 5 0. 5 0. 5 0. 5 50 0 50 0 500 500 0. 5 0. 5 0. 5 0. 5 5,00 0 5,00 0 * . ' ' \% -."- . % %-.% s < *^" V *" • ''-.- . f- . • , - , " • ^_ ; ;;- ' "„ « -Ik&mi* ^ ^^'"'f.'^- l Ref . 25 , pp . 1-9, 12 , 1 5 , 17 , 19-20, 26-2 8 Ref. 26 , pp . 1-7 , 20 , 2 6

Ref . 25 , pp . 1-9, 12-1 9 Ref. 26 , pp . 1-9 , 15 , 17-21 , 26-2 8

Ref . 25 , pp . 1-6, 9 , 15 , 17,19-2 0 Ref . 26 , pp . 1-7,20,2 6

Ref . 25 , pp . 1-6

, 9 , 15 , 17-2

0 Ref. 26 , pp . 1-9, 18,20,26,2 8

Ref. 26 , pp . 1-9 , 17-18,2 8

mg/kg milligram s pe r kilogra m

HR S Documentatio n Recor d 05/03/0 0 

### 8 5 

# OOOAP 9 Palmer Baig e Lin e Sit

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t LEVE L I I CONCENTRATION S (Continued )

•• „ s , sSHibiftjiWi^ , -\ ~ ~ Magnesiu m

Nicke l

Zin c * " J3.iULitIf r 1TJ

- •• • • "v?*Wl?«^iS ^ 041-51- 1 045-51- 1 051-51- 1 043-51- 1 051-51- 1 053-51- 1 049-51- 1 051-51- 1 ; s <a*ee#**«bt| 5,02 0 mg/kg 4,30 0 mg/kg 4,633. 3 mg/kg 28. 1 mg/kg 16. 7 mg/kg 24. 7 mg/kg 2 1 3 mg/k g 96. 2 mg/kg - BW? ' 0. 5 0. 5 0. 5 500 50 0 50 0 50,000 50,000 , , ,,, , B*teett*S k " v - Ref.25,pp.l-«,0 ) 15,19-2 0 Ref . 26 , pp . 1-9,20,2 6

Ref.25,pp . 1-6,9 , 17,2 0 Ref . 26 , pp . 1-9,10,20,22,2 6

Ref . 26 , pp . 1 -9 , 10 , 1 8 , 20 , 22 , 26 , 2 8 mg/kg milligram s pe r

kilogram ug/k g microgram s per kilogra m A fishery , o r

aportio n o f

afishery , ha s bee n documente d i n Sabin e Lak e withi n th e 15-mile TD L establishe d fo r th e Palme r

site . Th e annual productio n fo r th e amoun t

o f fis h an dshellfis h capture d commerciall y fro mSabin e Lake wa s apportione d t o tha t are ao f Sabin e Lake determine d t o b e subjec t t o Leve l I I concentration s base d o n th e location s o f

sedimen t sample s meetin g Leve l I I observe d releas e criteria . Sediment sample s meetin g Leve l I I observe d releas e criteri awer e identifie d an d an ar c wa s draw n fro mth e PP E t o th e furthes t sedimen t sampl e subjec t t o Leve l I I concentration s (sampl e station s 03 9 an d 049) . Base d o n thi s delineation , an arc wit h aradiu s o f 0.0 6 mile s wa s determine d t o b e subjec t t o Leve l I I concentrations . Thi s delineatio n i s depicte d o n Figure A- 8 o f Attachment

A Sabin e Lak

e i s approximatel y 68. 7 squar e mile s (Ref. 23 , p . 2) . Sabin e Lake , therefore , ha s 43,96 8 acre s (i.e. , 68. 7 squar

e mile s x 64 0 acres/squar e mile) . Th e estimate d annua l productio n for

th e entir e Sabine Lak

e i s 667,940. 5 pound s capture d commerciall y (Ref. 28 , p . 12) . Approximatel y 0.1 8 squar e mile s (i.e. , 0.0 6 mil e x 3 mil e withi n nearshore zone ) ha s bee n determine d t o b e subjec t t o Leve l I I contamination . Thi s equate s t o 115. 2 acre s (i.e. , 0.1 8 square mile s x 64 0 acres/squar e mile) . Based o n th e tota l estimate d annual productio n o f 667,940. 5 pound s an d atota l are ao f 43,96 8 acres , ther e ar e approximatel y 15.1 9 pound s offis h capture d commerciall y pe r

acr e withi n Sabin e Lake . Thus , th e 115. 2 acre s subjec t t o Leve l I I concentration s correspond s t o an estimate d commercia l annua l productio n o f 175 0 pounds . Th e amoun t

o f fis h caught

recreationall y coul d no t

b e estimate d accurately . However , base d o n conversation s with representative s fro mth e Texa s Park s an d Wildlif e Department , recreational fishin g occur s heavil y withi n Sabin e Lake . Therefore , base d o n th e estimate d annual productio n o f 175 0 pound s capture d commercially , th e annua l productio n subjec t

t o Leve l I I concentration s fo r commercia l fishin g i s greate r tha n 1,00 0 pound s pe r year . 

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t LEVE L n FISHERIES

Sabin e Lak e >\,00 0 Kef. I , Sec . 4.1332.2 . Table 4-l S 

### Base do n th e tota

l estimated annua

l human foo dchai n productio n presentedi n th e tabl e above , ahuman foo d chai n populatio n facto r

valu e o f 3 wa s assignedpe

r HR S Tabl e 4-1 8 (Ref. 1 , Sec . 4.1.3.3.2.2 , Tabl e 4-18) . A s such , avalu e o f

3 will b e assigneda s th e Level n concentratio n facto r value . Leve

l II Concentratio n Facto

r Value : 3 4.1.3.3.2. 3 Potentia l Huma n Foo dChai n Contaminatio n Basedo n th e MAP Rdat aprovide dfo r specie s capture dcommercially fro mSabin e Lak e an dth e fac t

that Sabine Lak

e i s fishe dheavily fo r

recreationa

l purposes , i t

wa s conservatively assume dtha t a n estimate dannua

l productio n o f

649,841.2 3 pound s fo r

fis h an dshellfis h capture dcommerciall y an d20,00 0 pound s o f fis h an d shellfis h capture drecreationall y wer e subjec t to potential contaminatio n (Ref . 28 , p . 12 ; Ref . 29 , p.l) . Thi s total annual productio n estimatio n o f 669,841.2 3 pound s yield s a n assigne dhuman foo dchai n populatio n valu e o f 310 , fro mHR S Tabl e 4-1 8 (Ref. 1 , Sec . 4.1.3.3.2.3 , Tabl e 4-18) . Th e huma n foo dchai n populatio n valu e i s the n multiplie db y th e appropriate dilutio n weigh t provide di n HR S Tabl e 4-1 3 (Ref. 1 , Sec . 4.1.3.3.2.3) . Thi s produc t i s the n divide db y 1 0 an dth e resul t i s assigne da s th e potential contaminatio n valu e for

th e huma n foo dchain (Ref. 1 , Sec . 4.1.3.3.2.3) . Calculation : 31 0 x 0.000 1 = 0.03 1

0.03 1 x 0. 1 =0.003 1 Potential Contaminatio n Facto r Value : 0.003 1 4.1.3.3.2. 4 Calculatio n o f Populatio n Facto r

Valu e Accordin g t o th e HR S Rule , th e populatio n facto r i s calculate db y summin g th e value s fo r Leve l I concentrations , Leve l I I concentrations , an dpotentia l huma n foo dchai n contaminatio n factor s fo r th e watershe dbein g evaluated . Thi s su mi s no t

rounde dto th e neares t

intege r (Ref. 1 , Sec . 4.1.3.3.2.4) . A s such , avalu e o f 3.003 1 wa s assigneda s th e populatio n facto r value . Populatio n Facto r Value : 3.003 1 4.1.3.3. 3 Calculatio n o f Huma n Foo dChai n Threa t - Target s Facto r

Categor y Valu e Accordin g t o th e HR S Rule , th e huma n foo dchain threat target s facto r

categor y valu e i s calculate db y summin g th e foo dchai n individual (45 ) an dpopulatio n facto r valu e (3.0031 ) fo r

th e watershe dbein g evaluate d(Ref . 1 , Sec . 4.1.3.3.3) . A s such , avalu e o f 48.003 1 i s assigne da s th e human foo dchai n threat target s facto r

categor y value . Human Foo dChai n Threa t - Target s Facto r

Categor y Value : 48.003 1 HR S Documentatio n Recor

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# 00069 1S W - Environmenta l Threa t 

### 4.1.3. 4 Calculatio n o f Huma n Foo dChai n Threa t Scor e fo r

aWatershe d According to th e HR S Rule , th e human foo dchain threa t scor e for th e watershe dbein g evaluate di s calculated b y multiplyin g th e human foo dchai n threat facto r categor y value s fo r

likelihoo do f

release , wast

e characteristics , an dtarget s fo r th e watershed . Thi s produc t i s rounde dto th e neares t

integer an ddivide db y 82,50 0 (Ref. 1 , Sec . 4.1.3.4) . Thi s resultin g value , subjec t to amaximu mo f

100 , i s assigne da s th e human foo d chai n threa t

score fo r th e watershe d(Ref

. 1 , Sec . 4.1.3.40 . Calculation : 55 0 x 32 0 x 48.003 1 782,50 0 = 102.40 6 (subjec t t o amaximu mo f

100) Human FoodChain Threa

t Scor e for aWatershed : 10 0 4.1. 4 Environmenta l Threa t Specifi c informatio n relate dt o sedimen t sample s that

mee t th e criteri afo r

an observe dreleas e fo r

th e environmenta

l threat ar e presente din Tabl e 1 5 o f

Sectio n 4. 1 o f

thi s documentatio n record . 4.1.4. 1 Environmenta l Threa t - Likelihoo do f

Releas e A n observe dreleas e t o th e surfac e wate r pathwa y wa s establishe di n Sectio n 4.1.3. 1 fo r th e human foo dchai n threa t base do n analytical evidenc e o f hazardou s substances . Accordin g to th e HR S Rule , th e same likelihoo d o f releas e facto r

category valu e i s assigne dfo r eac h threa t

withi n th e surfac e wate r

pathwa y (Ref

. 1 , Sees . 4.1.2.1.3 , 4.1.3.1 , an d4.1.4.1) . A s such , avalu e o f 55 0 i s assigne dfo r

th e likelihoo do f

releas e facto r

category valu e fo r th e environmental threat . Environmenta l Threa t - Likelihoo d o f

Releas e Facto r

Categor y Value : 55 0 

### 4.1.4. 2 Environmenta l Threa t - Wast e Characteristic s Specifi c factor s relate dt o wast e characteristic s associate dwit h eac h o f th e te n source s identifie dat th e Palme r sit e are presente di n Sectio n 2. 0 o f thi s documentatio n record . Accordin g t o th e HR S Rule , acombine d ecosyste mtoxichy/persistence/bioaccumulatio n facto r valu e i s determine dfo r

th e hazardou s substance s fo r th e environmenta l threat

(Ref . 1 , Sec . 2.4.1.2) . A s such , adiscussio n o f eac h separate facto r

valu e i s presente di n th e subsection s below . Facto r value s fo r ecosyste mtoxicity , persistence , an dbioaccumulatio n hav e bee n presente di n Tabl e 15 , a s wel l a s th e appropriat e calculation s fo r th e Environmental Threat .



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Aluminu m 10 0 5 0 10 0 50 0 Bariu m 0. 5 0. 5 Chromium to o 50 0 10 0 50,00 0 Cobal t 5,00 0 lion 1 0 0. 5 1 0 Lea d 1,00 0 5,00 0 1,00 0 5,000,00 0 Magnesiu m 0. 5 Mercur y 10,00 0 50,00 0 10,00 0 500,000,00 0 Nicke l 1,00 0 50 0 1,00 0 500,00 0 Zinc 10 0 50,00 0 10 0 5,000,00 0 Ecotoxicity , persistence , andbioaccumulatio n facto r value s ar e presented in SCD

M (Ref . 2) . 

### 4.1.4.2. 1 Ecosyste mToxicity/Persistence/Bioaccumulatio n 4.1.4.2.1. 1 Ecosyste mToxicit y Accordin g t o th e HR S Rule , toxicit y i s evaluate dfo r

thos e hazardou s substance s a t th e site tha t

are availabl e t o apathwa y bein g score d(Ref. 1 , Sec . 2.4.1.1) . Ecosyste mtoxicit y value s fo r hazardou s substance s ar e assignedin SCD M andpresente din Table 1 5 (Ref . 2) . 4.1.4.2.1. 2 Persistenc e Accordin g to th e HR S Rule , apersistenc e facto r valu e i s assigne dto eac h hazardou s substanc e base dprimaril y o n th e half-life o f

th e substanc e i n surfac e wate r an dsecondaril y o n th e sorptio n o f th e hazardou s substanc e t o sediment s (Ref . 1 , Sec . 4.1.4.2.1.2) . Persistenc e value s fo r hazardou s substance s are . assigne di n SCD M an d presente di n Tabl e 1 5 (Ref. 2) . 4.1.4.2.1. 3 Ecosyste mBioaccumulatio n Potentia l Th e bioaccumulatio n potential facto r valu e (BPFV ) (environmental ) reflect s th e tendenc y fo r asubstanc e t o accumulat e i n th e tissue o f

a n aquati c organism . Th e greate r th e BPFV , th e greater

th e relativ e tendenc y o f

a substanc e to accumulate (Ref. 14 , p . 6) . BPFV s fo r hazardou s substance s are assigne di n SCD M an d presente di n Tabl e 1 5 (Ref. 2) . 

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e TXD06810456 1S W - Environmenta l Threa t 4.1.4.2.1. 4 Calculatio n o f Ecosyste mToxicity/Persistence/Bioaccumulatio n Facto r Valu e Accordin g to th e HR S Rule , a n ecosystemtoxicity/persistenc e facto r valu e i s assigne d per

HR S Tabl e 4-2 0 base d o n th e value s assigne d t o th e hazardou s substance s fo r th e ecosyste mtoxicit

y an d persistenc e factor s (Ref. 1 , Sec . 4.1.4.2.1.4) . Base d o n a n ecosyste mtoxicit

y facto r o f 10,00 0 an d apersistenc e facto r o f 1 , fo r mercury , a

n ecotoxicity/persistenc e facto r valu e o f 10,00 0 wa s assigne d per HR S Tabl e 4-2 0 (Ref. 1 , Sec . 4.1.4.2.1.4 , Tabl e 4-20) . Accordin g to th e HR S Rule , a n ecosyste mtoxicity/persistence/bioaccumulatio n facto r valu e i s assigne d per HR S Tabl e 4-2 1 base d o n value s assigne d fo r th e ecosyste mtoxicity/persistenc e an d ecosystem bioaccumulatio n potentia l factor s (Ref. 1 , Sec . 4.1.4.2.1.4 ; Ref . 2) . Th e hazardou s substanc e with th e highes t valu e i s assigne d a s th e ecosyste mtoxicity/persistence/bioaccumulatio n facto r valu e fo r th e watershe d (Ref. 1 , Sec . 4.1.4.2.1.4) . Based o n atoxicity/persistenc e facto r valu e o f 10,00 0 an d abioaccumulatio n facto r valu e o f 50,00 0 fo r

mercury , atoxicity/persistence/bioaccumulatio n facto r valu e o f 5 x 10 s wa s assigne d fo r th e Sabin e Lake watershe d per

HR S Tabl e 4-2 1 (Ref. 1 , Sec . 4.1.4.2.1.4 , Tabl e 4-21) . Ecosyste mToxicity/Persistenc e Facto r Value : 10,00 0 Ecosyste mToxicity/Persistence/Bioaccumulatio n Facto r Value : 5 x 10 8 4.1.4.2. 2 Hazardou s Wast e Quantit y Accordin g t o th e HR S Rule , th e sam e hazardou s wast e quantit y facto r valu e fo r th e huma n foo d chai n threa t i s assigne d a s th e environmenta l threa t fo r th e watershe d (Ref . 1 , Sec . 4.1.4.2.2) . A s such , ahazardou s wast e quantit y valu e o f

10 0 i s assigned . Hazardou s Waste Quantity : 10 0 4.1.4.2. 3 Calculatio n o f Environmenta l Threa t - Wast e Characteristic s Facto r Categor y Valu e Fo r th e hazardou s substanc e selecte d fo r th e watershe d i n Sectio n 4.1.4.2.1. 4 (mercury) , it s ecosyste m toxicity/persistenc e facto r valu e an decosyste mbioaccumulatio n potentia l facto r valu e ar e use d t o assig n a valu e t o th e wast e characteristic s facto r category (Ref . 1 , Sec . 4~. \.4.2.3) . First , multipl y th e ecosyste mtoxicity/persistenc e facto r valu e an dth e hazardou s wast e quantit y facto r valu e fo r th e watershe d (subjec t

t o amaximu mo f

1 x 10 s ) . Multipl y thi s produc t b y th e ecosyste mbioaccumulatio n potentia l facto r

valu e fo r th e same hazardou s substanc e (subjec t t o amaximu mproduc t

o f 1 x 10 12 ) . Base d o n thi s secon d product , assig n avalu e fro mHR S Tabl e 2- 7 a s th e environmenta l threa t wast e characteristic s facto r category fo r

th e watershe d (Ref . 1 , Se c 4.1.4.2.3) . Calculation : 10,00 0 x 10 0 = 1,000,00 0

1,000,00 0 x 50,00 0 = 5 x 10' ° (subjec t t o amaximu mo f

1 x 10 12 ) Thus , base d o n th e abov e calculation , avalu e fro mHR S Tabl e 2- 7 i s assigne d a s th e environmenta l threa t wast e characteristic s facto r categor y valu e fo r

th e watershe d bein g evaluate d (Ref. 1 , Tabl e 2-7) . Environmental Threa

t - Waste Characteristic s Facto r Categor y Value : 32 0

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### 4.1.4. 3 Environmenta l Threa t - Target s Sensitive environment s along th e hazardou s substanc e migratio n pat h for th e watershe dar

e evaluate dbase do n thre e factors : Leve l I concentrations , Leve l n concentrations , an d potentia l contamination . Ecological-based benchmark s ar

e use dinstea

do f health-base dbenchmark s i n determinin g the level o f contaminatio n h

i sample s (Ref . 1 , Sec . 4.1.4.3.1) . The ecological-basedbenchmar k value s ar e the USEPA' s AWQ C an dAALA C value s (Ref

. 14 , p . 8) . Any portio n o f

aliste d sensitiv e environmen

t i s subjec t to actua l contaminatio n i f

i t fall s withi n a

n are atha t meet s th e criteri afo r

a n observe drelease . Only surfac e wate r sample s ma

y b e use dto establis h Leve l I concentration s (Ref

. 14 , p . 8) . Any terrestria

l sensitiv e environment s define db y th e presenc e o f on e or mor e particula r specie s (e.g. , habitat

know n to b e use db y a

n endangere do r

threatene dspecies , terrestria l area s use d fo r breedin g b y larg e o r

dens e aggregation s o f

animals ) an dwhos e boundarie s cros s 0 1 border asurfac e wate r bod y withi n th e TD L are eligibl e to b e evaluate di n th e surfac e wate r pathway unles s there i s clea r informatio n that th e particula

r specie s o f

concer n i s unlikel y to com

e into contac t

wit h surfac e wate r

bodie s withi n th e TD L (Ref. 14 , p . 7) . 

### 4.1.4.3.1. 1 Leve l I Concentration s Leve l I concentration s are establishe di n aqueou s sample s i n whic h th e concentratio n o f ahazardou s substanc e th e meet s th e criteri afo r

a n observedreleas e i s a

t o r abov e th e appropriat e ecological-basedbenchmar k (AWQ C or

AALAC ) a s reporte di n SCD M (Ref . 2 ; Ref . 14 , p . 8) . Leve l I concentration s ca n no t b e establishe dfo r

th e Palmer

site a s surfac e water

sample s were no t

collecte da s part

o f an y investigatio n conducte da

t th e site . 4.1.4.3.1. 2 Leve l I I Concentration s Leve l n concentration s ar

e establishe di n sample s i n whic h th e concentratio n o f a t leas t on e hazardou s substanc e meet s th e criteri afo r an observe drelease , bu t

th e condition s fo r

Leve l I concentration s are no t me t (Ref. 1 , Sec . 4.1.4.3.1.2) . Leve l I I concentration s hav e bee n documente dwithi n Sabin e Lake , however , environmental target s subjec t t o actua l contaminatio n hav e no t

bee n identified .



# 00069 5 HR S Documentatio n Record• Palme r Banj e Lin e Sit

e 05/03/0 0 9 1 TXD06810456 1S W - Environmenta l Threa t 

### 4.1.4.3.1. 3 Potentia l Contaminatio n A National Wetland s Inventor y (NWI ) ma

p wa s reviewe dto determin e wetland s present withi n th e vicinit

y o f th e site . Extensiv e wetland s are present withi n th e 15-mil

e TD L an dare subjec t

to potentia

l contaminatio n (Ref. 31 , p . 1) . HRS-eligibl e wetland s an dassociate dfrontag e are presente di n th e tabl e below . WETLAND S



## , ,; ~ ;-»wMi^- . : * , : EZEMiN - Estnarin e Intertida

l Emergen t E2EMJP - Estuarin e Intertidal Emergent J?rotrtage<bnniJ<s ) 1 1 2 Hsfcraws s Ref.31,p. l Ref . 31 , p . 1 

### Fo r thos e sensitiv e environment s tha t are wetlands , avalu e fro mHR S Tabl e 4-2 4 i s assigne dbase do n th e total length o f wetlan dfrontag e mile s locate d alon g th e hazardou s substanc e migratio n pat h (Ref. 1 , Sec . 4.1.4.3.1.3) . Base do n th e tota l lengt

h o f wetlan dfrontag e mile s fo r both o f th e wetlan dtype s identifie dabove , avalu e o f 35 0 wa s assigne dper

HR S Tabl e 4-24 . Sensitiv e Environment Ratin g Value : 35 0 Tw o bir drookerie s hav e bee n identifie dwithi n th e 15-mil e TDL : Sydne y Islan dan dDoom s Island . Th e Doom s Islan drookery , colony numbe r 601-121 , i s locate dapproximatel y 1/ 4 mil e northeas t

o f th e site an di s anestin g colon y fo r th e blac k skimme r (Ref. 3 , p.l ; Ref . 32 , p . 4) . Th e Sydne y Islan drookery , colon y numbe r 601-120 , i s locate dapproximatel y 1 1/ 4 mile s northeas t

o f th e site an di s als o anestin g colony fo r th e blac k skimme r (Ref. 3 , p . 1 Ref. 32 , p . 4) . Bot h rookerie s ar e manage db y th e Texa s Park s an dWildlif e Departmen t

(Ref. 32 , pp . 1 , 4-5) . Therefore ^ thi s sensitiv e environmen t wil l b e evaluate da s aterrestria l are autilize dfo r breedin g b y larg e o r dens e aggregation s o f

animal s an dwil l b e assigne davalu e o f 7 5 fro mth e HR S Tabl e 4-2 3 (Ref. 1 , Tabl e 4-23) . Sensitiv e Environmen t Ratin g Value : 7 5 x 2 = 15 0 A searc h fo r

Federa l an dStat e liste dthreatene dan dendangere dspecie s withi n a4-mil e radiu s an d15-mil e downstrea mdistanc e wa s performe dfo r th e Stat e Marin e site . Sinc e th e Palme r site i s locate dadjacen t

t o th e Stat e Marin e site , th e same Federal an dStat e liste dthreatene dan dendangere dspecie s know n t o inhabi t area s nea r th e Stat e Marin e site wer e considere dt o b e th e same fo r th e Palme r

site . A s such , th e followin g Federall y liste dendangere dspecie s hav e bee n identifie da s inhabitin g area s near th e Palme r site : Bal deagle , Blac k

rail , Gulf saltmars h snake , an dth e Texa s diamondbac k terrapin . Thes e specie s are know n to inhabi t

salt , brackish , an dfres h wate r marshe s a s wel l a s estuarie s an dcoasta l bay s (Ref

. 32 , p . 1) . A s such , avalu e o f

7 5 will b e assigne dfro mHR S Tabl e 4-2 3 fo r ahabitat know n t o b e use db y Federally

designate dendangere dspecie s (Ref. 1 , Tabl e 4-23) . Sensitiv e Environmen t Ratin g Value : 7 5 x 4 = 30 0 Th e followin g State-liste dthreatene dspecie s hav e bee n identifie da s inhabitin g area s nea r th e Palme r site : American swallow-taile dkite . Thi s specie s i s know n t o inhabi t marshe s alon g rivers , lakes , an dpond s (Ref . 32 , p . 1) . A s such , avalu e o f

5 0 wil l b e assigne dfro mHR S Tabl e 4-2 3 fo r ahabita t know n t o b e use db y State

designate dthreatene dspecie s (Ref. 1 , Tabl e 4-23) . Sensitiv e Environmen t Ratin g Value : 5 0 HR S Documentatio n Recor

dPalmer Baig e Line Sit

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# fino A 

# 9 6S W - Environmenla l Threa t 

### The Sabin e Nationa

l Wildlif e Refuge , administeredb y the U.S . Fis h an dWildlif

e Service , wa s establishedi n 193 7 an doccupie s the marshe s betwee n Calcasie u an dSabin e lake s i n southwes t Louisiana . The Sabin e Nationa l Wildlif e Refug e i s the larges t

coasta l mars h refug e o n the Gulf

o f Mexic o (Ref

. 33 , p . 3) . The Sabine National Wildlif

e Refug e i s locatedapproximately 1 3 mile s du e eas t o f the sit e andprovide s alarg e are ao f coasta l wetland s to man y winterin g an dmigratin g waterfowl . I t i s als o amajo r

nurser y are afo r man y estuarine-dependent

marin e specie s a s wel l a s bein g the home for alligator s an dothe

r reptiles , mammals , an d numerou s wading , water

an dmars h bird s (Ref

. 33 , p . 3 ; Ref. 14 , p . 7) . Th e Sabin e National Wildlif e Refug e border s asurfac e water

body withi n th e TDL , therefor e i t i s assignedasensitiv e environment s ratin g o f 75 , according to th e HR S Tabl e 4-2 3 (Ref. 14 , p . 7) . Sensitiv e Environmen t Ratin g Value : 7 5



# 00069 7

HR S Documentatio n Recor

dPalme r Banj e Lin e Sit

e 05/03/0 0 9 3 TXD06810456 1S W - Environmenta l Threa t Th e su mo f

th e sensitiv e environment s ratin g valu e fo r each surfac e wate r

bod y i s the n multiplie db y th e appropriate dilutio n weight provide di n HR S Tabl e 4-1 3 (Ref. 1 , Tabl e 4-13) . Sabin e Lake i s considere dt o b e coasta l atida l water , wher

e flo w rate o r

dept h i s no t applicabl e whe n determinin g adilutio n weight . Thus , Sabin e Lak

e wa s assigned adilutio n weigh t o f 0.000 1 pe

r HR S Tabl e 4-1 3 (Ref

. 1 , Sec . 4.1.4.3.1.3) . SENSITIV

E ENVIRONMENT S SUBJECT T O POTENTIA L CONTAMINATIO N

i : \• • • • * • • • • " "

- - ... . S<3ultte>EsreJreBB>6m

National Wildlif

e Refug e Wetland s Bir d Rookerie s Federa l Threatened/Endangere d Specie s Stat e Threatened/Endangere d Species Sumo f Sensitiv e Environment s Ratin g Value s JtottngViUae (HR8T<0>le4-» ) 7 5 35 0 15 0 30 0 5 0 925 BdutftmWe$irt ; (HRSTaM.e4.13 ) 0.000 1 0.000 1 0.000 1 0.000 1 0.000 1 Iteferaw s

Ref. 33 , p . 3 Ref.31,p. l Ref . 32 , pp . 1,4- 5 Ref. 32 , p . 1 Ref . 32 , p . 1

Calculation ; 92 5 \0.000 1 = 0.092 5 Thi s produc t

i s the n divide db y 1 0 an dth e resul t i s assigne da s th e potentia l contaminatio n valu e fo r th e sensitiv e environment s (Ref. 1 , Sec . 4.1.4.3.1.3 , Table s 4-13 , 4-23 , an d4-24) . Calculation : 0.0925x0.1 0 = 0.0092 5 I f th e potentia l contaminatio n facto r valu e i s les s tha n 1 , i t

i s no t rounde dt o th e neares t

intege r (Ref. 1 , Sec . 4.1.4.3.1.3) . A s such , avalu e o f 0.0092 5 i s assigne da s th e potentia l contaminatio n facto r value . Potential Contaminatio n Facto r Value : 0.0092 5 4.1.4. 4 Calculatio n o f Environmenta l Threa t Scor e fo r

aWatershe d Accordin g t o th e HR S Rule , th e environmenta l threa t score fo r th e watershe dbein g evaluate di s calculate db y multiplyin g th e environmental threat facto r category value s fo r

Likelihoo do f

Release , Waste Characteristics , an dTarget s fo r

th e watershe dan ddividin g b y 82,500 . Th e resultin g value , subjec t t o amaximu mo f

60 , i s th e environmenta l threa t

fo r th e watershe d(Ref. 1 , Sec . 4.1.4.4) . Calculation : 55 0 x 32 0 x 0.0092 5 = 162 8

1628/82,50 0 = 0.0197 3 Environmenta l Threat Score fo r aWatershed : 0.0197 3

HR S Documentatio n Recor d 05/03/0 0 9 4 Palme r Barg e Lin e Sit

e TXD06810456 1S W- Migration Pathway Scor e 4.L 5 Calculatio n o f Overland/Floo d Migratio n Componen t Scor e fo r

aWatershe d 

### According to th e HR S Rule , th e overland/floo dmigratio n component scor e i s calculate db y summin g th e score s for th e thre e threat s (drinkin g water , human foo dchain , an denvironmental) . Th e resulting score , subjec t to a maximu mvalu e o f

100 , i s assigneda s the overland/floo dmigratio n componen t scor e for the watershe dbeing evaluate d(Ref. 1 , Sec . 4.1.5) . Calculation : 0 + 10 0 + 0.0197 3 = 100.0197 3 (subjec t to amaximu mo f

100 ) Overland/Floo dMigratio n Componen t Scor e for aWatershed : 10 0 4.1. 6 • Calculatio n o f Overland/Floo dMigratio n Componen t Scor e Accordin g to th e HR S Rule , th e overland/floo dmigratio n component scor e i s calculate db y selectin g th e highes t overland/floo dmigratio n componen t scor e fro mth e watershed s evaluate d(Ref. 1 , Sec . 4.1.6) . Th e Sabin e Lak e watershe dwa s the only watershe devaluate dfor the Palme r site . A s such , avalu e o f

10 0 i s assigneda s th e overland/floo dmigratio n component score . Overland/Floo d Migratio n Component Score : 100 4. 2 GROUN D WATE R T O SURFAC E WATE RMIGRATIO N COMPONEN T 

### Th e groun dwate r

t o surfac e wate r

migratio n component

wil l no t b e score dbecaus e o n observe dreleas e ha s bee n establishe dt o th e overland/floo dmigratio n component o f th e surfac e wate r

pathwa y an di s sufficien t

t o scor e th e site . 4. 3 CALCULATIO N O F SURFAC E WATE RMIGRATIO N PATHWA Y SCOR E 

### Sinc e onl y on e o f

th e tw o surfac e wate r

migratio n component s (overland/flood ) ha s bee n scored , thi s scor e wil l b e assigne da s th e surfac e wate r migratio n pathwa y score (Ref. 1 , Sec . 4.3) . Surfac e Wate r

Migratio n Pathwa y Score : 10 0 5. 0 SOI L EXPOSUR E PATHWA Y Th e soi l exposure pathway ha s no t bee n score deve n thoug h extensiv e surfac e an dsubsurfac e contaminate d soil s hav e bee n identifie dassociate dwit h variou s onsit

e sourc e areas . Scoring th e surfac e wate r pathway alon e i s sufficien t t o scor e th e site . N o residents , schools , o r

da y car e facilitie s hav e bee n identifie do n o r withi n 20 0 fee t

o f an y know n sourc e o f contamination . Whil e physicall y accessible to th e public , amajority o f th e site i s heavil y vegetate dwith grasse s an dsmall tree s (Ref

. 9 , p . 88) . Severa

l Federal an dstat e threatene dan dendangere dspecie s hav e bee n identifie da s inhabitin g area s withi n a4-mile radiu s o f the sit e or withi n 1 5 mile s downstrea

mo f the sit e (Ref. 32 , p . 1) . I n addition , tw o bir drookerie s hav e bee n identifie dwithi n th e 15-mile TD L determine dfo r th e sit e (Ref . 9 , p . 89 ; Ref

. 32 , pp . 1 , 4-5) . Ther

e ar e n o immediat

e resource s associatedwit

h the site , a s the soil s i n whic h th e sit e i s situate dare no t suitabl e fo r

cultivatio n (Ref. 9 , p . 88) . 

# 00069 9 HR S Documentatio n Recor

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### 6. 0 AI RMIGRATIO N PATHWA Y Th e ai r migratio n pathway ha s no t bee n score dbecaus e th e necessar y dat ato documen t

a n observe dreleas e are no t available . Further , base do n availabl e information , evaluatio n o f thi s pathwa y woul dno t

significantl y affec t th e overal l site scor

e (Ref. 1 , Sec . 2.2.3) .



# OOOTn O HR S Documentatio n RecordPalme r Barg e Lin e Sit

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