UNITE D STATE S ENVIRONMENTA L PROTECTIO N AGENC Y



## 1 REGI0N 6 ? 144 5 ROS S AVENUE , SUIT E 120 0 DALLAS , T X 75202-273 3

MEMORANDU M SUBJECT : Reques t

for Additiona l Ceilin g Increas e an d Amendmen t t o th e Actio n Memorandu ma

t th e Hig h Acces s Area s of

th e Man y Diversifie d Interests , Inc . (MDI ) Superfun dSite , Houston , Harri s County , Texa s FROM : Sit e Respons e Sectio n (6SF-R2 ) TO : Samue l Coleman , P.E. , Directo r

Superfun dDivisio n (6SF ) THRU : Ragan Broyles , Chie f

Respons e an dPreventio n Branc h (6SF-R ) I . PURPOS E Thi s memorandu mrequest s aceilin g increas e an da n amendmen t

t o th e Remova l Actio n pursuan t t o th e Comprehensiv e Environmenta l Response , Compensatio n an d Liability Ac t (CERCLA) , a s amended , 4 2 U.S.C . §§960 1 e t secu , a t th e Hig h Acces s Area s of

th e Man y Diversifie dInterests , Inc . Superfun dSit e ("MDI " o r "th e Site" ) locate di n Houston , Harri s County , Texas . Th e propose damendmen t involve s th e excavatio n an d consolidatio n of lead

contaminate dsoil s fro msi x (6 ) inche s belo w th e groun d surfac e fro mth e northeastern portio n of th e Kell y Villag e Housin g Comple x i n th e "Fift h Ward " of

Houston , Texas . Thi s Remova l Actio n i s apart

of th e overal l investigatio n an dcleanu p relate dt o Operabl e Uni t 3 (Residentia l Crawlspace s an dThos e Residentia l Area s No t Addresse dUnde r

Operabl e Uni t

2) . Thi s Remova l Actio n wil l onl y addres s th e nin e 2,50 0 ft 2 gri darea s contaminate dwit h lea dabov e 50 0 pp man d identifie ddurin g th e investigatio n o f Operabl e Uni t

2 (Off-Sit e Residentia l Yard s an d Hig h Acces s Areas) . Crawlspace s wil l no t b e addresse dunde r

thi s curren t

Remova l Action . H . SIT E CONDITION S AN D BACKGROUN D CERCLI S #TX000228808 2 Category of

removal : Tim e Critical Sit e I D #06F E 20309 9

Recycled/Recyclabl e .Printe d wit h Vegetabl e Oi l Base d Ink s o n 100 % Recycle d Pape r(40 % Postconsumer )A . Sit e Descriptio n 1 . Remova l sit e evaluatio n Se e attache dorigina l Actio n Memorandu m(Attachmen t 1) . 2 . Physica l locatio n Th e MD I Site , locate da

t 361 7 Bae r Stree t i n Houston , Harri s County , Texa s i s a n abandone dfoundr

y facilit y locate dapproximatel y 2 mile s eas t of downtow n Housto n an d eas t o f th e intersectio n of

Highwa y 5 9 an dInterstat e Highway 10 . Attachmen t 3 ha s atopographi c layou t of th e site . Thi s portio n o f

Housto n i s know n a s th e "Fift h Ward. " Th e MDI fence d propert y occupie s approximatel y 3 6 acre s i n a n are aof mixe d industrial an d residentia l lan duse . Th e MDI propert y i s bounde db y Har e Stree t t o th e north ; Nationa l Vinegar Compan y an d Pres s Stree t

t o th e east ; th e former

Texa s & Ne w Orlean s Railroa dright-of-way beyon dth e easemen t t o th e south ; an dBringhurs t

Stree t t o th e west . Ther e are i n exces s o f 10,00 0 peopl e withi n amil e o f th e Site , includin g severa l hundre dchildre n attendin g th e loca l elementar y school . 3 . Sit e characteristic s Durin g th e Remedia l Investigatio n an dFeasibilit y Stud y for th e Site , th e EPA' s Respons e Actio n Contractor , Tetr aTec h EM , Inc. , conducte d samplin g activitie s an d foun d lea d contaminatio n i n th e residentia l area s o f th e Sit e tha t

exceede da40 0 pp mscreenin g level . Th e are ainvestigate dwa s determine db y ai r modelin g an dinclude d area s withi n a40 0 pp misopleth , th e Stud y Area . Th e northeaster n portio n of th e Kell y Villag e Housin g Comple x wa s locate d withi n th e Stud y Area . Soi l samplin g i n thi s are aidentifie dnin e 2,50 0 ft 2 gri darea s wit

h lea d concentration s that

exceede dth e 50 0 pp mcleanu p leve l fro msi x inches t o 1 8 inche s belo w th e groun dsurface . On e hundre dan dtwelv e (112 ) propertie s locate dwithi n th e stud y are acoul d not b e sample dbecaus e th e owner s coul dnot b e located , o r

the y wer e not

responsiv e t o th e EPA' s request s for

sampling , o r

the y denie dth e EP A acces s for sampling . Thes e residentia l areas , includin g th e residentia l crawlspaces , wil l b e addresse dunde r th e Remedia l Investigatio n an d Feasibilit y Stud y for

Operabl e Uni t

3 . Th e ongoin g Remova l Actio n fo r th e nin e 2,50 0 ft

2 gri d area s a t th e Kell y Villag e Housin g Comple x i s considere d arespons e actio n unde r Operabl e Uni t 3 . Crawlspace s wil l no t

b e addresse dunde r

thi s Remova l Action . 4 . Release s o r

threatene dreleas e int o th e environmen t o f ahazardou s substance , pollutan t o r contaminan t Se e attache dorigina l Actio n Memorandum .5 . NP L statu s Se e attache dorigina l Actio n Memorandum . 6 . Maps , Picture s an dothe r graphi c representation s Attachmen t

1 Origina l Actio n Memorandu m(date d7/10/03 ) Attachmen t

2 Amendmen t

t o Origina l Actio n Memorandu m(date d12/12/03 ) Attachmen t

3 Amendmen t

2 t o Origina l Actio n Memorandu m(date d7/28/05 ) Attachmen t

4 MDI Sit e Topographi c Map B . Othe r

Action s t o Dat e 1 . Previou s action s Th e EP A issue daRecor do f Decisio n for

Operabl e Unit

2 o n Septembe r

23 , 2005 . Th e EPA' s fina l remed y decisio n fo r

O U 2 wa s "n o furthe r

remedia l action, " sinc e th e previou s yar d Remova l Action s eliminate dth e existin g an dpotential risks t o human healt h an dth e environmen t s o tha t n o further actio n was necessary . In 199 8 an d1999 , th e Texa s Natura l Resourc e Conservatio n Commissio n (TNRCC , no w th e Texa s Commissio n o n Environmenta l Qualit y [TCEQ] ) performe daRemova l Actio n a t 8 9 residentia l yard s an dHig h Acces s Area s (HAAs) . I n Novembe r 200 3 an dJun e 2005 , th e EP A complete dRemova l Action s a t 5 9 residentia l yard s an d HAAs , whic h include dth e Blanch e Kelso Bruc e Elementar y School , Fift h War dMulti-Servic e Center , an dseveral churches . Th e purpos e of th e Remova l Action s wa s t o remov e surfac e soi l wit h concentration s o f

lea dtha t equale do r

exceede dth e cleanu p goal of 50 0 milligram s pe r kilogra m(mg/kg ) t o reduc e th e exposur e of childre n an dadult s t o lead . Th e Remova l Actio n a

t th e Hig h Acces s Area s o f

Operabl e Uni t

2 began o n Jul y 15 , 2003 . Th e EP A complete daRemova l Actio n a t additiona l propertie s followin g th e approva l of th e ceilin g increas e an damende daction s o n Septembe r 8 , 2003 . Th e EP A bega n aRemova l Actio n a t th e Kell y Villag e Housin g Comple x o n February 20 , 2006 . Lead-contaminate dsoil s wer e remove dfro msi x (6 ) inche s belo w th e groun dsurfac e fro m several 2,50 0 ft

2 gri darea s fro mth e northeaster n portio n o f th e housin g comple x locate dadjacen t t o Greg g Street . Thi s Remova l Actio n i s apart o f th e overal l cleanu p relate dt o Operabl e Uni t 3 . A n amendmen t

t o thi s Actio n Memorandu mi s require dt o continu e th e excavatio n o f lead

contaminate dsoil s fro mth e othe r gri darea s contaminate dwit h lea dan dremainin g t o b e excavated . 2 . Curren t action s Th e EP A i s currentl y performin g aRemedia l Investigatio n an dFeasibilit y Stud y (RI/FS ) for Operabl e Unit

Operabl e Unit

3 (Residentia l Crawlspace s an dThos e Residentia l Area s No t Addresse dUnde r

Operabl e Uni t

2 ) o f th e Site . Th e nin e 2,50 0 ft 2 gri darea s contaminate dwit hleada t th e Kell y Villag e Housin g Complex , identifie d durin g th e RI/F S for th e Site , wer e no t addresse dunde r

Operabl e Uni t

2 an dar e no w bein g addresse dunde r Operabl e Uni t

3 an d thi s Remova l Action . C . Stat e an dLoca l Authorities'Role s 1 . Stat e an dloca l action s t o dat e Se e origina l Actio n Memorandum . 2 . Potentia l for

continue dState/loca l respons e Se e origina l Actio n Memorandum . III . THREAT S T O PUBLI C HEALT H O RWELFAR E O RTH E ENVIRONMENT , AN D STATUTOR Y AN D REGULATOR Y AUTHORITIE S A . Threat s t o Publi c Health o r Welfar e Th e curren t

condition s a

t th e sit e mee t

th e followin g factor s whic h indicat e tha t th e sit e i s athrea t t o th e publi c health , welfar e an d th e environmen t an daremova l actio n i s appropriat e unde r §300.415(b)(2 ) o f

th e Nationa l Contingenc y Plan . An y o r al l o f thes e factor s ma

y b e presen t a t asit e ye t any on e o f

thes e factor s may determin e th e appropriatenes s of aremova l action . 1 . Exposur e t o Huma n Populations , Animal s o r th e Foo dChain , NC P Sectio n 300.41 5 Lea daffect s multipl e targe t

system s i n adult s an dchildren ; however , youn g childre n (generall y seve n year s o f

ag e an dyounger ) ar e a

t greates t risk fro mth e effect s o f

lead . Lea dca

n caus e damag e t o th e brai n an dnervou s system ; slowe dgrowth ; an dbehavioral , learning , an d hearin g problems . Th e EPA' s Offic e o f

Soli dWast e an dEmergenc y Respons e state s i n th e Augus t 199 8 directiv e tha t

th e risk reductio n goal i s t o attemp t t o limi t exposur e t o soi l lea d(Pb ) level s suc h that atypica l (o r

hypothetical ) chil do r

grou p of similarl y exposedchildre n woul d hav e a n estimate d risk

of n o mor e than 5 % o f

exceedin g a1 0 microgram/decilite r (/ig/dL ) blood-P b level . Thi s blood-P b leve l i s establishe db y th e Federa l Center s fo r Diseas e Contro l an dPreventio n (CDC) . Th e directiv e als o state s that th e EP A recommend s tha t

asoi l P b concentratio n b e determine ds o tha t

atypica l chil do r

grou p o f childre n exposedt o P b a

t thi s leve l woul dhav e a

n estimate d risk

o f n o mor e than 5 % of

exceedin g ablood-P b leve l of 1 0 jUg/dL .Th e Remova l Actio n for th e soi l contaminate dwit

h lea da t th e nin e 2,50 0 ft

2 gri darea s locate da t th e northeaster n portio n of

th e Kell y Villag e Housin g Comple x woul db e protectiv e o f human healt

h an dth e environment . Th e cleanu p leve l o f 50 0 milligrams/kilogra m(mg/kg ) for lea di n soil s wil l mee t

th e EPA' s goal o f

limitin g soi l lea dlevel s suc h tha t atypica l (o r hypothetical ) chil do r

grou p of similarl y expose dchildre n woul dhav e a n estimate drisk

of n o mor e tha n 5 % exceedin g th e 1 0 jug/d L blood-lea dleve l establishe db y th e CDC . 2 . Contaminant s i n Soil ; NC P Sectio n 300.41 5 (b)(2)(iv ) Th e soil s i n th e nin e 2,50 0 ft 2 gri d area s a

t th e Kell y Villag e Housin g Comple x excee dth e actio n level s establishe dt o protec t th e huma n population . Lea dwa s foun din concentration s u p t o 629 8 ppm . 3 . Weathe r

Condition s Tha t

May Caus e Hazardou s Substance s o r Pollutant s o r Contaminant s t o Migrat e o r b e Released . NC P Sectio n 300.41 5 (b)(2)(v ) Se e origina l Actio n Memorandum . 4 . Availabilit y of

Othe r Mechanisms , NC P Sectio n 300.41 5 (b)(2)(vii ) Se e origina l Actio n Memorandum . B . Threat s t o th e Environmen t Se e origina l Actio n Memorandum . V . ENDANGERMEN T DETERMINATIO N Actua l o r threatene drelease s o f

hazardou s substances , pollutant s o r contaminant s from thi s Site , if no t addresse db y implementin g th e respons e actio n i n thi s amendment , ma y presen t a n imminen t an dsubstantia l endangermen t t o th e publi c health , welfare , o r th e environment . VI . PROPOSE D ACTION S AN D ESTIMATE D COST S A . Propose dAction s 1 . Propose dActio n Descriptio n Se e origina l Actio n Memorandum . 2 . Contributio n t o remedia l performanc e Se e origina l Actio n Memorandum .3 . Descriptio n of alternativ e technologies Se e origina l Actio n Memorandum . 4 . Applicabl e o r

relevan t an dappropriat e requirement s Se e origina l Actio n Memorandum . 5 . Projec t schedul e Th e duratio n of

activitie s a

t th e yard s in th e housin g comple x i s expecte dt o b e on e month , dependin g upo n weathe r

condition s an d scheduling , an dth e availabilit y o f disposa l contractor s an dothers . Estimate dCost s EXTRAMURA L COST S Curren tPropose d Ceilin g Ceilin g Cleanu p Contracto r

$ 980,00 0 $ 1,525,00 0 STAR T $ 610,00 0 $ 800,00 0 Previou s Cost s $ 353,457.2 6 $ 353,457.2 6 TOTAL , EXTRAMURA L COST S $1,943,457.26 $ 2,678,457.2 6 VII . EXPECTE D CHANG E I N TH E SITUATIO N SHOUL D ACTIO N B E DELAYE D O RNO T TAKE N Se e origina l Actio n Memorandum . VIII . OUTSTANDIN G POLIC Y ISSUE S Se e origina l Actio n Memorandum .IX . ENFORCEMEN T Als o se e origina l Actio n Memorandum . (Direc t Cost ) + (Othe r

Direct ) + (37% o

f Tota l Direc t

{Indirec t Cost} ) = Estimate d EP

A Cos tfo r a Remova l Actio n ($2,678,457.26 ) + ($237,846 ) + (37% x 2,916,303.26 ) = $3,995,335.4 7 Als o se e origina l Actio n Memorandu man d Amendment s t o Origina l Actio n Memorandum . X . RECOMMENDATIO N Thi s decisio n documen t

represent s th e selecte dRemova l Actio n for th e nin e 2,50 0 ft

2 gri d area s locate da

t th e northeaster n portio n of

th e Kell y Villag e Housin g Comple x of th e Site . Thes e gri darea s ar e considere dapar t o f th e overal l investigatio n an d cleanu p for Operabl e Uni t

3 o f th e MD I Superfun dSit e locate di n Houston , Harri s County , Texas . Thi s decisio n documen t wa s develope di n accordanc e with CERCL A a s amended , an dno t inconsistent

wit h th e NCP . Thi s decisio n i s base do n th e Administrativ e Recor dfor th e Site . Condition s a

t th e Sit e mee t

th e criteri aa s define d b y 4 0 CF RSectio n 300.415(b)(2 ) o f th e NC P for aremoval . I recommen d you r approval of

th e propose dremova l action . Th e tota l projec t ceilin g wil l b e $3,995,335.47 .

Attachment s

### ATTACHMEN T 1 Origina l Actio n Memorandu m Reques t fo r A Removal Actio n an dWaive r T o th e Twelv e Month Statutor y Limi t At th e Hig h Acces s o

f MD I Jul y 10 , 200 3UNITE D STATE S ENVIRONMENTA L PROTECTIO N AGENC Y ** . REGIO N 6 \ 144 5 ROS S AVENUE , SUIT E 120 0 " I DALLAS , T X 75202-273 3

MEMORANDU M SUBJECT : Reques t

fo r aRemova l Actio n an d Waive r t o th e Twelv e Mont h Statutor y Limi t at th e Hig h Acces s Area s o f

th e Many Diversifie d Interests , Inc . Superfun d Site , Houston , Harri s County , Texa s FROM : Rafae l Abreg o Casnova , Remedial Projec t Manage r Stacey Bennett , Remedia l Projec t Manager ' 

### L Gregor y Fife, On-Scen

e Coordinato£2 (JIMA4 \JMAMV\ Sit e Respons e Sectio n (6SF-R2 ) / TO : Myro n O . Knudson , P.E. , Directo r

Superfun d Divisio n (6SF ) THRU : -^Charle s A . Gazda , Chie f Q (JAAAAA Respons e an d Preventio n Branc h (6SF-R ) I . PURPOS E Thi s memorandu mrequest s approva l for aRemova l Actio n pursuan t t o th e Comprehensiv e Environmenta l Response , Compensatio n an d Liability Ac t (CERCLA) , a s amended , 4 2 U.S.C . §§960 1 e t seq. , a t th e Hig h Acces s Area s o f

th e Man y Diversifie d Interests , Inc . Superfun d Sit e ('MDI " o r "Site" ) locate d i

n Houston , Harri s County , Texas . Th e propose d actio n involve s th e excavatio n an d consolidatio n o f contaminate d soi l i n Hig h Acces s Area s (HAAs)oftheSite . Thi s actio n meet s th e criteri afor initiatin g aremova l actio n unde r th e Nationa l Contingenc y Pla n (NCP) , 4 0 CF R§300.415 . Thi s actio n i s expecte d t o requir e les s tha n $ 2 millio n t o complete . Previou s action s too k plac e fromNovembe r

2 , 199 8 t o Septembe r

30 , 1999 . Hence , th e action s propose d i n thi s memorandu mwill excee d th e 1 2 month laps e time fromth e dat e o f th e initial response . Th e Actio n Memorandu mfo r th e previou s action s take n i s i n Attachmen t

1 . 

# 0 0 0 o 0 1

Interne t Addres s (URL ) - http://www.epa.qov/earth 1 r6 / Recycled/Recyclabl e - Printe d wit h Vegetabl e Oi l Base d Ink s o n Recycle d Pape r(Minimu m 30 % Postconsumer )II . SIT E CONDITION S AN D BACKGROUN D

CERCLI S #TX000228808 2 Categor y o f

removal : Time Critica l Sit e I D #06F E A . Sit e Descriptio n 1 . Remova l sit e evaluatio n I n 1926 , th e Texa s Electri c Steel Castin g Compan y (TESCO ) bega n operation s a s ameta l castin g foundry . TESC O primaril y manufacture dspecialty molde dpart s suc h a s larg e wheels , tracks , an dminin g equipment . Th e proces s are aconsiste do f castin g plants . Bot h plant s maintaine dseparat e san dsystems , cor e ovens , mol dmakes , electri c ar c furnaces , pourin g facilities , an dcleaning , annealin g an dheat treatin g proces s areas . Durin g th e mid-1980s , th e souther n portio n o f th e Sit e wa s lease dt o Can-A mResourc e Grou p (Can-Am) . Can-A mconducte daspen t catalys t recyclin g operatio n usin g a n experimenta l process . Can-A mreportedl y obtaine dbetwee n 2,00 0 an d4,00 0 drum s o f spen t catalys t from chemica l plant s an drefinerie s alon g th e Housto n Shi p Channel . Byl988 , Can-A mcease d operation s an dabandone dth e drum s o f spen t catalys t o n th e Site . I n 1990 , MD I bough t

th e TESC O not e formth e Texa s Commerc e Bank . TESC O cease d operation s in February 1991 , an dMDI foreclose do n th e property . MD I reopene da s th e San Jacint o Foundr y (SJF ) o n Marc h 1 , 1991 . SJ F continue doperation s unti l abou t Jun e 1 , 1992 . MDI file dfo r

Chapte r 7 Bankruptc y in th e U.S . Bankruptc y Cour t fo r th e Souther n Distric t

o f Texa s o n Ma y 1992 . Th e on-sit e facilitie s wer e demolishe da s asalvag e operatio n unde r orde r o f th e U.S . Bankruptc y Cour t

betwee n Marc h 199 5 an dJanuary 1996 . I n 199 8 an d1999 , th e Potentiall y Responsibl e Partie s remove dove r 5,00 0 drum s containin g wast e materials , wit h EPA' s oversight . Th e TCE Q conducte daremova l an d restoratio n o f

8 9 residentia l yard s t o th e wes t an dnort h o f

th e MD I facility . Th e remova l actio n was conducte dt o remov e surfac e soi l with concentration s o f lea dtha t equale do r

exceede d50 0 part s pe r millio n (ppm ) t o reduc e th e exposur e t o lead . 2 . Physica l locatio n Th e MDI Site , locate da

t 3.61 7 Bae r

Stree t i n Houston , Harri s County , Texa s i s a n abandone dfoundr

y facilit y locate dapproximatel y 2 mile s eas t o f downtow n Housto n an deas t o f th e intersectio n o f

Highway 59an dInterstat e Highwa y 10 . Attachmen t 2 ha s atopographi c layou t o f th e Site . Thi s portio n o f

Housto n i s know n a s th e "Fift h Ward. " Th e MDI fence d propert y occupie s approximatel y 3 6 acre s i n a n are ao f mixe dindustria l an dresidentia l lan duse . Th e MD I propert y i s bounde db y Har e Stree t t o th e north ; Nationa l Vinega r Compan y an dPres s Stree t t o th e east ; th e forme r

Texa s & Ne w Orlean s Railroa dright-of-way beyon dth e easemen tt o th e south ; an dBringhurs t Stree t t o th e west . Ther e ar e i n exces s o f 10,00 0 peopl e withi n a mil e o f th e Site , includin g severa l hundredchildre n attendin g th e loca l elementary school . 3 . Sit e characteristic s Ther e ar e approximatel y 3 3 Hig h Acces s Area s at th e Sit e wit h lea dcontaminatio n greate r tha n th e establishe d50 0 pp mactio n level . Thes e HAAs includ e th e Blanc e Kels o Bruc e Elementar y School , th e Fift

h War dMulti-purpos e Communit y Center , achurch , an d approximatel y 3 0 residentia l properties . Th e schoo l i s locate don e bloc k wes t o f th e MD I Site . Attachmen t

3 ha s th e layou t

o f th e elementary school . EPA' s Respons e Actio n Contractor , Tetr aTec h EM , Inc. , conducte dsamplin g activitie s an dfoun dlea dcontaminatio n i s soi l i n residentia l area s o f th e Site . Th e are ainvestigate dwa s determine db y ai r

modelin g an dinclude s area s withi n th e 40 0 pp misopleth . Th e soi l i n all th e HAA s exceed s 50 0 pp man di s a s hig h a s 189 9 ppm . 4 . Release s o r

threatene dreleas e int o th e environmen t o f ahazardou s substance , pollutan t o r contaminan t Lea di s th e primary contaminan t o f concer n a t

th e Site . Lea di s adesignate dhazardou s substanc e a s define di n Sectio n 101(14 ) o f CERCLA , 4 2 U.S.C.§9601(14) , an d4 0 CFR§302.4 . Analytical dat ashow s tha t

lea dat concentration s rangin g from51 1 t o 1,89 9 pp mar e presen t i n th e soil s (surfac e t o 1 8 inches ) at th e Site . Lea di s know n t o caus e primaril y neurologica l damag e i n human s a s th e resul t o f ingestio n o f

th e metal . Childre n ar e th e mos t susceptibl e grou p o f peopl e t o th e advers e effect s o f lead . Attachmen t

5 ha s th e ToxFaQ s fo r

Lead . 5 . NP L statu s Th e "Final Rule " addin g th e Sit e t o th e Nationa l Prioritie s Lis t wa s publishe di n th e Federa l Registe r

o n January 15 , 1999 . A Recor do f Decision , describin g th e chose n remedial action , ha s no t

bee n issue dfor

th e Site ; however , thi s propose dremova l actio n wil l b e consisten t wit h an y subsequen t

remedia l activitie s tha t

ma y b e take n at

th e Site . 6 . Maps , Picture s an dothe r graphi c representation s Attachmen t

1 Previou s Actio n Memorandu m Attachmen t

2 MD I Sit e Topographi c Ma p Attachmen t

3 Bruc e Elementary Schoo l Layou t Attachmen t

4 Enforcemen t

Attachmen t Attachmen t

5 ToxFaQ s fo r

Lea d 

# 00000 3B . Othe r Action s t o Dat e 1 . Previou s action s I n 199 8 an d1999 , th e Potentiall y Responsibl e Partie s remove dove r 5,00 0 drum s containin g wast e materials , wit h th e EPA' s oversight . Th e TCE Q complete daremova l an d restoratio n i n 199 9 o f

8 9 residentia l yard s t o th e wes t an dnort h o f

th e Site . Th e remova l actio n wa s conducte dt o remov e surfac e soi l with concentration s o f lea dtha t equale do r

exceede d50 0 pp mt o reduc e th e exposur e t o lead . 2 . Curren t action s Th e EP A i s currentl y performin g a n RI/F S a t th e Site . Th e purpos e o f

th e RI/F S i s t o determin e th e natur e an dexten t o f contaminatio n an dt o gathe r sufficient informatio n abou t

th e Sit e t o suppor t

an informe dris k

managemen t

decisio n regardin g whic h remed y i s th e mos t appropriat e for

th e Site . Th e EP A bega n remedia l samplin g activitie s a t th e Sit e in Januar y 2003 . C . Stat e an dLoca l Authorities ' Role s 1 . Stat e an dloca l action s t o dat e Th e Stat e o f

Texas , throug h th e TCEQ , was significantl y involve di n th e previou s activitie s a t

th e Sit e an dcontinue s t o provide dtechnica l assistanc e durin g th e RI/FS . Th e TCE Q conducte daPreliminar

y Assessmen t

in Novembe r

199 5 an daScreenin g Sit e Inspectio n i n January 1996 . Further , th e TCE Q entere dint o acontrac t with EP A in Marc h 31 , 1999 , t o conduc t aTime-Critica l Remova l Actio n fo r th e off-site portio n o f

th e Sit e unde r

th e Stat e Remova l Pilo t

Program . 2 . Potentia l fo r

continue dState/loca l respons e Th e TCE Q wil l continu e t o provid e technica l assistanc e t o th e EP A durin g th e RI/F S for th e Site . Th e Texa s Departmen t o f Health i s currentl y gatherin g dat aconcernin g th e historica l an drecen t bloo dlea dstudie s conducte da t th e Sit e an dplan s t o provid e informatio n t o th e publi c durin g th e upcomin g publi c meetings . 

### HI . THREAT S T O PUBLI C HEALT H O RWELFAR E O RTH E ENVIRONMENT , AN D STATUTORY AN

D REGULATOR Y AUTHORITIE S A . Threat s t o Publi c Health o r Welfare 

# 000Q0 4Th e curren t condition s a t

th e site mee t

th e followin g factor s whic h indicat e tha t th e site i s athrea t t o th e publi c health , welfare an dth e environmen t an daremova l actio n i s appropriat e unde r §300.415(b)(2 ) o f

th e Nationa l Contingenc y Plan . An y o r al l o f thes e factor s ma

y b e presen t a t asite ye t an y on e o f

thes e factor s ma

y determin e th e appropriatenes s o f aremova l action . 1 . Exposur e t o Huma n Populations , Animal s o r th e Foo dChain , NC P Sectio n 300.41 5 (b)(2)(i ) Th e soil s in th e HAA s o f

th e Sit e contai n lea dconcentration s tha t rang e fro m51 1 t o 1,89 9 ppm , base do n recen t

dat a(additiona l dat ai bein g reviewe dan dvalidated) . Th e EPA' s goa l a t lea dsite s i s t o attemp t

t o limit exposur e t o soi l lea dlevel s suc h tha t atypica l chil do r grou p o f similarl y expose dchildre n woul dhav e a n estimate dris k

o f n o mor e than 5 % o f exceedin g a1 0 [Ig/d l bloo dlea dlevel . Th e 50 0 pp mremova l actio n leve l meet s th e 5 % benchmark , basedo n th e experienc e gaine dfromothe r lea dsite s i n EP A Regio n 6 . Th e Cente r for Diseas e Contro l consider s th e 1 0 flg/d l bloo dlea dleve l a s elevate dfo r youn g children . Th e EP A believe s that

th e lea di n thes e soil s i s attributabl e t o th e historica l foundr y operation s a s wel l a s othe r possibl e sources . Exposur e t o animal s an dfoo dchai n receptor s ar e not know n at thi s time . Thi s informatio n wil l b e gathere ddurin g th e ongoin g RI/F S fo r th e Site . 2 . Contaminant s i n Soil ; NC P Sectio n 300.41 5 (b)(2)(iv ) Th e soil s i n th e HAA s excee dth e actio n level s establishe dt o protec t th e huma n population . Lea dwas foun di n concentration s u p t o 1,89 9 ppm . Th e soi l a t th e Blanc e Kels o Bruc e Elementary School , th e Fift h War dMulti-purpos e Community Center , achurch , an d approximatel y 3 0 residentia l propertie s hav e lea dcontaminatio n in soi l exceedin g th e respons e actio n level . 3 . Weathe r

Condition s Tha t

May Caus e Hazardou s Substance s o r Pollutant s o r Contaminant s t o Migrat e o r b e Released . NC P Sectio n 300.41 5 (b)(2)(v ) Th e are ai s subjec t

t o hurricanes , flooding an dothe r sever e weather . Th e sever e floodin g events coul deasil y transpor t contaminate dsoi l withi n th e residentia l areas . 4 . Availabilit

y o f Othe r Mechanisms , NC P Sectio n 300.41 5 (b)(2)(vii ) A t thi s time , ther e ar e n o othe r mechanism s availabl e t o respon dt o th e evacuatio n o f soi l contaminate dwith lead . B . Threat s t o th e Environmen t 

## 000Q0 3Th e propose d actio n t o b e take n durin g thi s respons e i s designe dt o addres s apubli c

health threa t

resultin g fromth e contaminate dsoil s withi n th e residentia l area s o f th e Site . Thes e actions , althoug h not

specifically designe dt o d o so , wil l significantl y reduc e o r mitigat e any potential ecologica l threats . IV . CRITERI A FO RAN EXEMPTIO N FRO M STATUTOR Y LIMIT S Consistenc y Exemptio n Sectio n 104 (c)(l)(c ) limit s Fun dfinancedremova l actio n t o unde r $ 2 millio n an dtwelve-month s i n duratio n unles s th e Agenc y determine s tha t continue drespons e actio n ar e otherwis e appropriat e an dconsisten t

wit h th e remedia l actio n t o b e take aTh e action s propose di n thi s memorandu mi s expecte dt o requir e les s tha n $ 2 millio n t o complete . Previou s action s too k plac e fromNovembe r

2 , 199 8 t o Septembe r

30 , 1999 . Hence , th e action s propose di n thi s memorandu mwil l excee dth e 1 2 mont h laps e tim e fromth e dat e o f th e initial response . Also , th e action s propose dwithi n thi s Actio n Memorandu mar e appropriate , consistent , an dd o no t hinde r any additiona l conceivabl e futur e remedia l action s t o b e taken . Th e Sit e wa s adde dt o th e NP L o n January 15 , 1999 . Th e action s propose di n thi s Actio n Memorandu mwil l preven t direc t huma n contac t

wit h th e contaminate dsoils . Al l surfac e an dsubsurfac e contaminate dsoil s wil l b e excavate dan dwil l b e store don-site . I f thi s Actio n Memorandu mi s approved , action s will b e take n to remov e contaminate dsoi l fromth e Hig h Acces s Areas . Al l thes e actio n hav e bee n closel y coordinate dwith th e Remedial Projec t Manager s an dar e consisten t with th e planne d remedial actio n fo r

th e site . V . ENDANGERMEN T DETERMINATIO N Actua l o r threatene drelease s o f

hazardou s substances , pollutant s o r contaminant s from thi s Site , i f no t addresse db y implementin g th e respons e actio n selecte di n thi s Actio n Memorandum , ma y presen t

a n imminent

an dsubstantia l endangermen t t o th e publi c health , welfare , o r th e environment . VI . PROPOSE D ACTION S AN D ESTIMATE D COST S A . Propose dAction s 1 . Propose dActio n Descriptio n Th e propose dactio n fo r

th e Sit e involve s th e remova l o f soil s contaminate dwit h lea d fromth e HAAs a t

th e Site . Soi l with lea dcontaminatio n greate r tha n 50 0 pp mwil l b e excavated . Th e area s wil l b e backfille dt o prope r grad e an dsodded . Th e contaminate dsoi l wil l b e place da t th e MD I Site . Sidewalks , driveways , an dothe r suc h structure s wil l b e replace dwith comparabl e structure s accordin g t o local codes . Othe r item s remove do r

damage da s aresul t

o f th e removal actio n will b e replace do r

compensatio n will b e give n i n accordanc e wit h EP A polic y a

t th e 

# 00000 6appraise dvalue . I t i s critica l t o conduc t

th e actio n at

th e Blanc e Kels o Bruc e Elementar y Schoo l i n Jul y t o coincid e with schoo l closing . Othe r activitie s wil l b e conducte dt o facilitat e interactio n with th e public . 2 . Contributio n t o remedia l performanc e Th e propose dactio n i s consisten t wit h any futur e remedial respons e at thi s Sit e sinc e th e respons e actio n constitute s contaminan t removal . 3 . Descriptio n o f

alternativ e technologie s Ther e ar e n o alternativ e technologie s tha t coul dfeasibly b e applied . 4 . Applicabl e o r

relevan t an dappropriat e requirement s Thi s remova l actio n wil l b e conducte dt o eliminat e th e actua l o r potentia l releas e o f

a hazardou s substance , pollutant , o r contaminan t

t o th e environment , pursuan t t o CERCLA , 4 2 U.S.C . § 960 1 e t

sea. , an di n amanne r

consisten t wit h th e Nationa l Contingenc y Plan , 4 0 CFR . Part 300 , a s require dat

3 3 U.S.C . § 1321(c)(2 ) an d4 2 U.S.C . § 9605 . Pursuan t t o 4 0 CF RPar t 300.415(1) , fund-finance dremova l action s unde r CERCL A § 104 an dremova l action s pursuan t t o CERCL A § 10 6 shall , t o th e exten t practicabl e considerin g th e exigencie s o f th e situation , attai n th e applicabl e o r

relevan t an dappropriat e requirement s unde r Federa l environmenta l law . I f consolidatio n an doff-site disposa l ar e th e principa l element s o f thi s remova l action , RCR A wast e analysi s requirement s foun dat 4 0 CF R§ § 261.2 0 an d261.30 , RCR A manifestin g requirement s foun dat

4 0 CF R§ 262.20 , an dRCR A packagin g an dlabelin g requirement s foun d a t 4 0 CFR§ 262.3 0 ar e deeme dt o b e appropriat e requirement s for thi s remova l action . Applicabl e RCR A requirement s fo r landfill closure , 4 0 CFR§ 264 . Ill , Subpar t G , ma y apply , whic h specif

y aca p with apermeabilit

y les s tha n o r

equa l t o th e permeability o f an y botto mline r o r natura l sub-soil s presen t

a t th e plan t site . I n addition , applicabl e specifi c closur e requirement s whic h ar e provide dfo r

surfac e impoundments , 4 0 CF R§ 264.228 , Subpar t K , an dapplicabl e requirement s for

landfills , 4 0 CF R§ 264.310 , Subpart N may als o apply . Post-closur e an d monitorin g requirement s may b e applicable , 4 0 CF R§ 264.117(a)(l) , a s wel l a s RCR A requirement s for

locatio n o f

aTransportation , Storag e o r Disposa l facilit

y i n a100-yea

r floo d plain , 4 0 CF R§ 264.1 8 an d4 0 CF R6 , Appendi x A . Th e selecte dremova l actio n doe s no t trigge r placemen t unde r th e RCR A Lan dDisposa l Restrictions , sinc e al l wast e wil l b e move d onl y withi n th e are ao f

contaminatio n o r

RCR A unit , 5 5 Fed . Reg . 876 0 (Marc h 8 , 1990) . Ambien t ai r quality standard s a

t 4 0 CFR5 0 wil l b e used , a s applicable , t o protec t th e qualit y o f ai r durin g th e implementatio n o f th e action . 

## 00000 75 . Projec t schedul e Th e duratio n o f

activitie s i s expecte dt o b e thre e months , dependin g upo n weathe r condition s an dscheduling , an dth e availabilit y o f disposa l contractor s an dothers . Th e respons e a t th e schoo l mus t

b e conducte din Jul y an dcoordinate dwith th e principal . B . Estimate dCost s Extramura l Cost s Cleanu p Contracto r

$600,00 0 STAR T $300,00 0 Previou s Cost s ^...$353,457.2 6 TOTAL , EXTRAMURA L COST S $1,253,457.2 6 VII . EXPECTE D CHANG E I N TH E SITUATIO N SHOUL D ACTIO N B E DELAYE D O RNO T TAKE N Shoul dth e action s describe din thi s Actio n Memorandu mb e delaye do r no t taken , th e soil s contaminate dwith lea dwil l continu e t o contribut e t o th e direc t exposur e o f

childre n an d adults . Th e soil s in th e HAA s o f th e Sit e contai n lea dconcentration s tha t rang e fro m51 1 t o 1,89 9 ppm , base do n recen t

dat a(additiona l dat ai s bein g reviewe dan dvalidated) . VIII . OUTSTANDIN G POLIC Y ISSUE S Ther e ar e n o outstandin g polic y issue s associate dwit h thi s remova l actio n o r

th e Site . IX . ENFORCEMEN T Fo r administrativ e purposes , informatio n concernin g confidential enforcemen t strateg y for thi s sit e i s containe di n th e Enforcemen t Confidential Attachmen t

4 . (Direc t Cost ) + (Othe r

Direct ) + (42.14 % o f

Tota l Direc t

{Indirec t Cost} ) = Estimate d EP A Cos t fo r aRemova l Actio n ($1,253,457.26 ) + ($125,346 ) + (42.14 % x 1,378,803.26 ) = $1,959,830.9 5 Direc t cost s includ e direc t

extramura l cost s an ddirec t intramura l costs . Indirec t

cost s ar e calculate dbase do n a

n estimate dindirec t

cos t rat e expresse da s apercentag e o f site-specifi c 

# ooooo edirec t costs , consisten t

wit h th e full cos t

accountin g methodolog y effectiv e Octobe r 2 , 2002 . Thes e estimate s d o no t

includ e pre-judgemen t

interest , d o not

tak e int o accoun t

othe r enforcemen t

costs , includin g Departmen t o f Justic e costs , an dma y b e adjuste ddurin g th e cours e o f aremova l action . Th e estimate s ar e fo r illustrativ e purpose s only , an dthei r us e i s no t intende d t o creat e any right s for

responsibl e parties . Neithe r th e lac k o f atota l cos t

estimat e no r

th e deviatio n o f

actua l tota l cost s fro mthi s estimat e wil l affec t th e Unite dStates ' righ t

t o cos t recovery . X . RECOMMENDATIO N Thi s decisio n documen t

represent s th e selecte dremova l actio n fo r th e HAA s o f

th e MD I Superfun dSit e locate di n Houston , Harri s County , Texa s develope di n accordanc e with CERCL A a s amended , an dno t inconsisten t

with th e NCP . Thi s decisio n i s base do n th e Administrativ e Recor dfo r

th e Site . Condition s at

th e Sit e mee t

th e criteri aa s define db y 4 0 CF RSectio n 300.415(b)(2 ) o f th e NC P fo r aremoval , an dI recommen dyou r approva l o f

th e propose dremova l action . Th e tota l projec t ceilin g will b e $1,253,457.26 . APPROVE

D -'/'T^izS, ^^^c^tO^DAT E



## 00000 9

### ATTACHMEN T 2 Amendmen t

t o Origina l Actio n Memorandu m December 12 , 200 3UNITE D STATE S ENVIRONMENTA L PROTECTIO N AGENC Y REGIO N 6 144 5 ROS S AVENUE , SUIT E 120 0 DALLAS , T

X 75202-273 3

MEMORANDU M SUBJECT : FROM : TO : THRU : Amendmen t

t o th e Actio n Memorandu ma t th e Hig h Acces s Area s o f

th e Man y DiveisifiecHnterests^Inc . Superfun d Site , Houston , Harri s County , Texa s Gregory Fife , On-Scen e Coordinato r Sit e Respons e Sectio n (6SF-R2 ) Myro n O . Knudson , P.E. , Directo r Superfun dDivisio n (6SF)

_

( / Charles A . Gazd a Respons e andPr e ranc h 

### I . PURPOS E Thi s memorandu mdocument s your verba l approval for

aceilin g increas e an da

n amendmen t

t o th e Remova l Actio n pursuan t t o th e Comprehensiv e Environmenta l Response , Compensatio n an dLiability Ac t (CERCLA) , a s amended , 4 2 U.S.C . §§960 1 e t sec^ , a t th e Hig h Acces s Area s of

th e Man y Diversifie d Interests , Inc . Superfun d Sit e ("MDI " o r "Site" ) locate d in Houston , Harri s County , Texas . Th e propose d amendmen t involve s th e excavatio n an d consolidatio n of

contaminate dsoi l i n 3 3 additional Hig h Acces s Area s (HAAs) o f th e Site . II . SIT E CONDITION S AN D BACKGROUN D CERCLI S #TX000228808 2 Category o f

removal : Tim e Critica l SiteID#06F E



# ooooo i Interne t Addres s (URL ) - http://www.epa.qov/earth i r6/ Recycled/Recyclabl e - Printe d wit h Vegetabl e Oi l Base d Inks o n Recycle d Pape r(Minimu m 30 % Postconsumer )A . Sit e Descriptio n 1 . Removal site evaluatio n Se e attache doriginal Actio n Memorandum . 2 . Physica l locatio n Th e MD 1 Site , locate da

t 361 7 Bae r Stree t i n Houston , Harri s County , Texa s i s a n abandone dfoundr

y facilit y locate dapproximatel y 2 mile s eas t o f downtow n Housto n an deas t o f th e intersectio n o f

Highwa y 5 9 an dInterstat e Highwa

y 10 . Attachmen t

2 ha s atopographi c layou t o f th e Site . Thi s portio n o f

Housto n i s know n a s th e "Fift h Ward. " Th e MDI fence d propert y occupie s approximatel y 3 6 acre s i n a n are ao f mixe d industria l an d residentia l lan duse . Th e MD I propert y i s bounde dby Har e Stree t t o th e north ; Nationa l Vinega r Compan y and Pres s Stree t to th e east ; th e former

Texa s & Ne w Orlean s Railroa d right-of-way beyon d th e easemen t t o th e south ; andBringhurs t Stree t t o th e west . Ther e ar e i

n exces s o f 10,00 0 peopl e withi n a mile of th e Site , includin g several hundre dchildre n attendin g th e local elementar y school . 3 . Site characteristic s Ther e ar e approximatel y 5 9 Hig h Acces s Area s a t th e Sit e wit h lea d contaminatio n greate r than th e establishe d50 0 pp mactio n level . Thes e HAA s includ e th e Blanc e Kels o Bruc e Elementary School , th e Fift

h WardMulti-purpos e Communit y Center , achurch , an d residential properties . Th e propertie s wer e prioritize dbase d o n lead level s an dpresenc e o f childre n o n th e property . Priority On e comprise s o f propertie s abov e 50 0 pp mlead with childre n les s tha n 6 year s ol dresidin g i

n thes e properties . Priority Tw o comprise s o f propertie s abov e 100 0 pp mlead wit h n o childre n residin g i

n thes e properties . Priority Thre e comprise s o f propertie s with 50 0 - 100 0 pp mleadwit

h n o childre n les s tha

n 6 year s ol dresidin g i

n thes e properties . EPA' s Respons e Actio n Contractor , Tetr aTec h EM , Inc. , conducte d samplin g activitie s an dfoun dleadcontaminatio n i s soi l i n residential area s o f

th e Site . Th e are ainvestigate d wa s determine db

y air modelin g an dinclude s area s withi n th e 40 0 pp misopleth . Th e soi l i n all th e HAA s exceed s 50 0 pp mandi s a s hig h a s 277 9 pp m 4 . Release s o r

threatene dreleas e into th e environmen t o f ahazardou s substance , pollutan t o r contaminan t Se e attache doriginal Actio n Memorandu m 5 . NP L statu s Se e attache doriginal Actio n Memorandu m 

## 00000 26 . Maps , Picture s an dothe r graphi c representation s Attachmen t

1 Origina l Actio n Memorandu m Attachmen t

2 MD I Sit e Topographi c Ma p B . Othe r Action s t o Dat e 1 . Previou s action s Se e origina l Actio n Memorandum . 2 . Curren t action s Th e EP A i s currentl y performin g a n RI/F S a t th e Site . Th e purpos e o f

th e RI/F S i s t o determin e th e natur e an dexten t o f contaminatio n an dt o gathe r sufficient informatio n abou t

th e Sit e t o suppor

t a n informe drisk

managemen t

decisio n regardin g whic h remed y i s th e mos t appropriat e for

th e Site . Th e EP A bega

n remedia l samplin g activitie s a t th e Sit e in January 2003 . Remova l Actio n currentl y bein g don e a t th e sit e bega n on Jul y 15 , 2003 . Followin g your verbal approval o f

th e ceilin g increas e an damende daction s o n Septembe r 8 , 200 3 , EP A bega

n wor k on th e additiona l properties . Remova l Actio n a t mos t o f Priority On e an dPriorit y Two propertie s are complete . Remova l Actio n i s currentl y bein g don e i n Priorit y Thre e properties . C . Stat e an dLoca l Authorities ' Role s 1 . Stat e an dlocal action s t o dat e Se e origina l Actio n Memorandum . 2 . Potentia l for

continue dState/loca l respons e Se e origina l Actio n Memorandum . III . THREAT S T O PUBLI C HEALT H O RWELFAR E O RTH E ENVIRONMENT , AN D STATUTOR Y AN D REGULATOR Y AUTHORITIE S A . Threat s t o Publi c Health o r Welfare Th e curren t

condition s a

t th e site mee t

th e followin g factor s whic h indicat e tha t th e sit e i s athreat t o th e publi c health , welfare an dth e environmen t an daremoval actio n i s appropriat e



## 00000 3unde r §300.415(b)(2 ) o f

th e Nationa l Contingenc y Plan . An y or al l o f thes e factor s ma

y b e presen t a t asit e ye t any on e o f

thes e factor s may determin e th e appropriatenes s o f aremova l action . 1 . Exposur e t o Human Populations , Animal s o r th e Foo dChain , NC P Sectio n 300.41 5 (b)(2)(i ) Se e origina l Actio n Memorandum . 2 . Contaminant s in Soil ; NC P Sectio n 300.41 5 (b)(2)(iv ) Th e soil s i n th e HAAs excee dth e actio n level s establishe dt o protec t th e huma n population . Lea dwa s foun di n concentration s u p t o 1,89 9 ppm . Th e soi l a t th e Blanc e Kels o Bruc e Elementar y School , th e Fift h War d Multi-purpos e Community Center , achurch , and residentia l propertie s hav e lea dcontaminatio n in soi l exceedin g th e respons e actio n level . 3 . Weathe r

Condition s That

May Caus e Hazardou s Substance s o r Pollutant s o r Contaminant s t o Migrat e o r b e Released . NC P Sectio n 300.41 5 (b)(2)(v ) Se e origina l Actio n Memorandum . 4 . Availability o f

Othe r Mechanisms , NC P Sectio n 300.41 5 (b)(2)(vii ) Se e origina l Actio n Memorandum . B . Threat s t o th e Environmen t Se e origina l Actio n Memorandum . V . ENDANGERMEN T DETERMINATIO N Actua l o r threatene drelease s o f

hazardou s substances , pollutant s o r contaminant s from thi s Site , if no t addresse db y implementin g th e respons e actio n in thi s amendment , may presen t a n imminen t

an dsubstantia l endangermen t t o th e publi c health , welfare , o r th e environment .



## 00000 4VI . PROPOSE D ACTION S AN D ESTIMATE D COST S

A . Propose dAction s 1 . Propose dActio n Descriptio n Se e origina l Actio n Memorandum . 2 . Contributio n t o remedia l performanc e Se e origina l Actio n Memorandum . 3 . Descriptio n o f

alternativ e technologie s Se e origina l Actio n Memorandum . 4 . Applicabl e o r

relevan t an dappropriat e requirement s Se e origina l Actio n Memorandum . 5 . Projec t schedul e Th e duratio n of

activitie s i s expecte dt o b e a n additiona l tw o month s ( 5 month s total) , dependin g upo n weathe r

condition s an dscheduling , an dth e availabilit y o f disposa l contractor s an dothers . B . Estimate dCost s Extramura l Cost s Cleanu p Contracto r

$850,00 0 STAR T $600,00 0 Previou s Cost s $353,457.2 6 TOTAL , EXTRAMURA L COST S $1,803,457.2 6 

# 00000 5

### VII . EXPECTE D CHANG E I NTH E SITUATIO

NSHOUL D ACTIO NB E DELAYE D O R NO T TAKE N Se e origina l Actio n Memorandum . VIII . OUTSTANDIN G POLIC Y ISSUE S Se e origina l Actio n Memorandum . IX . ENFORCEMEN T Als o se e origina l Actio n Memorandum . (Direc t Cost ) + (Othe r

Direct ) + (42.14 % o f

Tota l Direc t

{Indirec t Cost} ) = Estimate d EP A Cos t for aRemoval Actio n ($1,803,457.26 ) + ($180,346 ) + (42.14 % x 1,983,803.26 ) = $2,819,777.9 5 Als o se e origina l Actio n Memorandum . X . RECOMMENDATIO N Thi s decisio n documen t

represent s th e selecte dremova l actio n fo r th e HAA s o f

th e MDI Superfun dSit e locate di n Houston , Harri s County , Texa s develope din accordanc e wit h CERCL A a s amended , an dnot inconsistent

wit h th e NCP . Thi s als o document s you r verbal approva l fo r

th e ceilin g increas e an dth e amende dactio n o n Septembe r

8 , 200 3 Thi s decisio n i s base don th e Administrativ e Recor dfor th e Site . Condition s a

t th e Sit e mee t

th e criteri aa s define db y 4 0 CFRSectio n 300.415(b)(2 ) o f th e NC P fo r aremoval . Th e tota l projec t ceilin g wil l b e $1,803,457.26 . APPROVE D (y^y < U^ V /< 7 y DAT E 12-//Z/03 Attachment s



# 00000 6

### ATTACHMEN T 3 Amendmen t

No . I I t o Origina l Actio n Memorandu m Jul y 28 , 200 5\ UNITE D STATE S ENVIRONMENTA L PROTECTIO N AGENC Y REGIO N 6 144 5 ROS S AVENUE , SUIT E 120 0 DALLAS , T

X 75202-273 3



### MEMORANDU

M SUBJECT : FROM : TO : THRU : Reques t

fo r Ceilin g Increas e an

dAmendment

t o th e Actio n Memorandu ma t th e Hig h Acces s Area s of

th e Man y Diversifie dInterests . Inc . (MD1 ) Superfun dSite , Houston . Harri s County , Texa s jregory Fife . On-Scen e Coordinato r Sit e Respons e Sectio n (6SF-R2 ) Samue l Coleman . P.E. , Directo r Superfun dDivisio n (6.SF

) \ aga n BroyTes , Chie f Respons e an

dPreventio n Branc h (6SF-R ) I . 

### PURPOS E Thi s memorandu mrequest s aceilin g increas e anda n amendmen t

t o th e Removal Actio n pursuan t t o th e Comprehensiv e Environmenta l Response . Compensatio n andLiability Act (CERCLA) , a s amended , 4 2 U.S.C . §§960 1 et setj, . a t th e Hig h Acces s Area s of

th e Many Diversifie dInterests . Inc . Superfun dSite ("MDI " or "Site" ) locate di

n Houston , Harri s County . Texas . Th e propose damendment involve s th e excavatio n an

dconsolidatio n o

f contaminate dsoi l in on e additional Hig h Acces s Are a(HAA ) o f th e Site . I T SIT E CONDITION S AN D BACKGROUN D CERCIJ S #TX000228808 2 Category o f removal : Tim e Critical Site I D #06FE

Interne t Addies s (URL ) • http/Avw w epa.go v

Recycled/Recyclabl e • Printe d wit h Vegetabl e Oi l Base d Inks o n Recycle d Pape r(Minimu m 25 % Postconsumer )A Site Descriptio n 1 . Remova l site evaluatio n Se e attache d original Actio n Memorandu m(Attachmen t 1) . 2 . Physica l locatio n Th e MD 1 Site , locate da

t 361 7 Baer Street i n Houston . Harri s County , Texa s i s a n abandone dfoundr

y facilit y locate d approximatel y 2 mile s eas t of downtow n Housto n an deas t o f th e intersectio n o

f Highwa y 5 9 an dInterstat e Highwa y 10 . Attachmen t 3 ha s atopographi c layou t of th e site . Thi s portio n of

Housto n i s know n a s th e "Fift h Ward. " Th e MD I fence dproperty occupie s approximatel y 3 6 acre s i n a n are ao f mixe dindustria l an dresidentia l lan duse . Th e MD ] property i s bounde db

y Har e Stree t

t o the north : Nationa l Vinega r Compan y an

dPres s Street

t o th e east ; th e forme

r Texa s & Ne w Orlean s Railroa dnght-o f wa y beyon dth e easemen t

t o th e south ; andBringhurs t

Street t o th e west . Ther e ar

e i n exces s of

10,00 0 peopl e withi n amil e o f th e Site , includin g severa

l hundre dchildre n attendin g th e local elementary school . 3 . Site characteristic s Ther e wer e approximatel y 5 9 Hig h Acces s Area s a t th e Site wit

h lea dcontaminatio n greate r tha n th e establishe d50 0 pp mactio n level . Thes e HAA s includ e th e Blanc e Kels o Bruc e Elementar y School , th e Fift

h War dMulti-purpos e Communit y Center , achurch , an dresidentia l properties . Th e propertie s wer e prioritize dbase don lea dlevel s an dpresenc e o f childre n on th e property . Priorit

y On e comprise dof

propertie s abov e 50 0 pp mlea dwit h childre n les s tha

n 6 year s ol dresidin g a

t thes e properties . Priority Tw o comprise dof propertie s abov e 100 0 pp mlead • wit h n o childre n residin g i

n thes e properties . Priority Thre e comprise do f propertie s wit

h 50 0 - 100 0 pp mleadwit

h n o childre n les s tha

n 6 year s ol dresidin g a

t thes e properties . EPA' s Respons e Actio n Contractor , Tetr aTec h EM , Inc. , conducte dsamplin g activitie s andfoun dlea

dcontaminatio n i s soi l i

n residentia l area s o

f th e Site . Th e are ainvestigate dwa s determine dby ai r

modelin g an dinclude s area s withi n th e 40 0 pp misopleth . Th e soi l in al l th e HAA s exceed s 50 0 pp mandi s a s hig h a s 629 8 ppm . On e additional HAA , comprisin g o f several yard s i n th e housin g complex , ha s bee n identifie dfo

r clean-u p base don re-evaluatio n o f informatio n fo

r th e HAA . 4 . Release s o r

threatene dreleas e int o th e environmen t of ahazardou s substance , pollutan t or contaminan t Se e attache d origina l Actio n Memorandum .5 . NPL statu s Se e attache d origina l Actio n Memorandum . 6 . Maps ? Picture s an

dothe r graphi c representation s Attachmen t

1 Original Actio n Memorandu m Attachmen t

2 Amendmen t

t o Original Actio n Memorandu m Attachmen t

3 MD ] Site Topographi c Map B . Othe r

Action s t o Dat e J . Previou s action s Se e original Actio n Memorandu man dAmendmen t

t o th e Original Actio n Memorandu m (Attachmen t

2) . 2 . Current action s Th e EPA conducte da

n Rl/F S a t th e Site . Th e purpos e of

th e RI/F S wa s t o determin e th e natur e andexten t

of contaminatio n andt o gathe r sufficient informatio n about

th e Sit e t o suppor

t a n informe dris k

managemen t

decisio n regardin g whic h remed y i s th e mos t appropriat e fo

r th e Site . Th e EP

A bega n remedia l samplin g activitie s a t th e Sit e i n January 2003 . Th e Removal Actio n a

t th e sit e bega

n o n Jul y 15 , 2003 . Followin g th e approval of th e ceilin g increas e an

damende daction s o

n Septembe r

8 , 2003 , EP A complete dremoval actio n a t additional properties . Remova l Actio n a t Priority One , Priority Two . an dPriority Thre e propertie s hav e bee n completed . Recent re-evaluatio n o

f th e informatio n a

t on e o f th e HAAs , comprise do

f several yard s i

n th e housin g complex , indicate dth e nee dfor aremova l actio n a

t thi s property . C . Stat e andLocal Authorities'Role s 1 . Stat e an dlocal action s t o date Se e original Actio n Memorandum . 2 . Potentia l fo

r continue dState/loca l respons e Se e origina l Actio n Memorandum .111. THREAT S T O PUBLI C HEALT H O RWELFAR E O

RTH E ENVIRONMENT . AN D STATUTORY AN D REGULATORY AUTHORITIE S A . Threat s t o Publi c Healt h o r Welfar e Th e current

condition s a

t th e sit e meet th e followin g factor s whic h indicat e tha i th e sit e i s athrea t t o th e publi c health , welfare an d th e environmen t

an d aremova l actio n i s appropriat e under §300. 4 J5(b)(2 ) o

f th e National Contingenc y Plan . Any or all o f thes e factor s ma

y b e presen t a t asit e ye t an y on e of thes e factor s ma

y determin e th e appropriatenes s o f aremoval action . I . Exposur e t o Human Populations , Animal s o r th e Foo d Chain , NC P Sectio n 300.41 5 Se e original Actio n Memorandum . 2 . Contaminant s i

n Soil : NC P Sectio n 300.41 5 (b)(2)(iv ) Th e soil s i n th e HAA s excee d th e actio n level s establishe dt o protec t th e huma n population . Lea

dwa s foun di

n concentration s u p t o 629 8 ppm . Th e soi l a t th e Blanc e Kels o Bruc e Elementary School , th e Fift h War d Multi-purpos e Community Center , achurch , ahousin g complex , andresidentia l propertie s hav e lead contaminatio n i n soi l exceedin g th e respons e actio n level . 3 . Weathe r

Condition s That

Ma y Caus e Hazardou s Substance s o r Pollutant s o r Contaminant s t o Migrat e o r

b e Released . NC P Sectio n 300.41 5 (b)(2)(v ) Se e origina l Actio n Memorandum . 4 . Availability o

f Othe r Mechanisms . NC P Sectio n 300.41 5 (b)(2)(vii ) Se e origina l Actio n Memorandum . B . Threat s t o the Environmen t Se e origina l Actio n Memorandum . V . ENDANGERMEN T DETERMINATIO N Actual or threatene drelease s o

f hazardou s substances , pollutant s or contaminant s fro

m thi s .Site , i f not addresse db y implementin g th e respons e actio n i n thi s amendment , ma

y present a n imminen t andsubstantia l endangermen t t o th e publi c health , welfare , or th e environment .VI . PROPOSE D ACTION S AN D ESTIMATE D COST S

A . Propose dAction s 1 . Propose dActio n Descriptio n Se e origina l Actio n Memorandum . 2 . Contributio n t o remedia l performanc e Se e origina l Actio n Memorandum . 3 . Descriptio n o

f alternativ e technologie s Se e origina l Actio n Memorandum . 4 Applicable o r

relevan t an dappropriat e requirement s Se e origina l Actio n Memorandum . 5 . Projec t schedul e Th e duratio n o

f activitie s a

t th e yard s i n th e housin g comple x i s expecte dt o b e on e month , dependin g upo n weathe r

condition s an

dscheduling , an d th e availability o f disposal contractor s an dothers . Estimate dCost s EXTRAMURA L COST S Curren tPropose d Ceilin g Ceilin g Cleanu p Contracto r

$ 850,00 0 $ 980,00 0 STAR T $ 600,00 0 $ 610,00 0 Previou s Cost s $ 353,457.2 6 $ 353.457.2 6 TOTAL . EXTRAMURA L COST S $1,893,457.2 6 $1,943,457.2 6VII . EXPECTE D CHANG E I N TH E SITUATIO N SHOUL D ACTIO N B E DELAYE D O RNO T TAKE N Se e origina l Actio n Memorandum . VIII . OUTSTANDIN G POLIC Y ISSUE S Se e origina l Actio n Memorandum . IX . ENFORCEMEN T Als o se e original Actio n Memorandum . (Direc t Cost ) + (Othe r

Direct ) + (37 % o

f Total Direc t

{Indirec t Cost} ) = Estimate d EP

A Cos tfo r a Removal Actio n ($1,943,457.26 ) + ($194346 ) + (37 % x 2,137.803.26 ) = $2,928,790.2 0 Als o se e original Actio n Memorandu man d Amendment

t o Origina l Actio n Memorandum . X . RECOMMENDATIO N Thi s decisio n documen t

represent s th e selecte d removal actio n for on e additiona l HAA of the MD I Superfun dSite locate din Houston , Harri s County . Texa s develope d in accordanc e wit h CERCL A a s amended , andnot inconsisten t

wit h th e NCP . Thi s decisio n i s base d on th e Administrativ e Recor dfo

r th e Site . Condition s a

t th e Sit e meet

th e criten aa s define d b

y 4 0 CF RSectio n 300.415(b)(2 ) of

th e NC P fo r aremoval . 1 recommen dyour approval o

f th e propose d remova l action . Th e total projec t ceilin g wil l b e $2,928,790.2 0 

### APPROVE D "T^y^V. . \WJle ^ \^.Sbv\ btemft aDAT E Attachment s

# A Hack rnen~L UNITE D STATE S ENVIRONMENTA L PROTECTIO N AGENC Y REGIO N 6 i Li- , nos: ; AV f NUI . :>ui u i;->o o DA I I AS , I X 7. rvW-:?73 3

MEMORANDU M SUBJECT : Reques t

fo r aRemova l Actio n an

dWaive r t o th e Twelv e Mont

h Statutor y Liini t a t th e Hig h Acces s Area s o f

th e Man y Diversifie dInterests , Lac . Superfun dSite , Houston , Harri s Coimty , Texa s FRO M Rafael Abreg o Casnova , Remedial Projec t Manage r Stace y Bennett , Remedial Projec t Manager C, Gregor y Fife , On Scen e Coordinator ^ \^JAAA4- 1 Su e Respons e Sectio n (6SF-R2 ) / TO : THRU : Myro n O . Knudson , P.E. , Directo r

Superfun dDivisio n (6SF ) Charle s A . Gazda , Chie f

Q Respons e an dPreventio n Branc h (6SF-R ) I . PURPOS E Thi s memorandu mrequest s approval fo r aRernova J Actio n pursuan t

t o the Comprehensiv e Environmenta l Response , Compensatio n an dLiabilit y Act (CBRCLA) , a s amended , 4 2 U.S.C . §§960 1 e t sec). , a t the Hig h Acces s Area s o f

th e Man y Diversifie d Interests , Inc. . Superfun dSite ("MOl " o r "Site" ) locate di

n Houston , Harri s County , Texas . Th e propose d actio n involve s th e excavatio n an dconsolidatio n of contaminate dsoi

J i n Hig h Acces s Area s (HAAs)o f the Su e Thi s actio n meet s th e criteri afo r initiatin g aremoval actio n under the National Contingenc y Pla

n (NCP) , 4 0 CF

R§30 0 41 5 Tin s actio n i s expecte dto require les s tha n $ 2 millio n t o complete Previou s action s too k plac e fro mNovembe r

2 , 199 8 to Septembe r

30 . 1999 Hence , th e action s propose di n tin s memorandu mwil

l excee dth e 1 2 mont

h laps e tim e fromth e dat e o f th e initia l respons e Th e Actio n Memorandu mfo r th e previou s action s take n i s i n Attachmen t

1

lul l II KI Ailific:.: , (UH I ) hMp^vww w ej). i qi>v/eaith_M) / Re f y( Ipd-'R c (yfj.thli - fnnf i •< } wit h Vr'gi>tat)lt * O ^

Ba^e d tnf* s o n flpfyrle d P^pei |M(n»nn>r n 3" f ( ,I I SIT E CONDITION S AN D BACKGROUN D

(TRCL1 S #TX000^288O8 2 Categor y o f

removal Jun e Critical Sit e I D ff 06IT : A vSit e Descriptio n 1 . Remova l sit e evaluatio n I n 1926 , th e Texa s Electri c Stee l Castin g Company (TESCO ) began operation s a s ametal castin g foundry . TESC O primaril y inaniifacture dspecialt y molde dpart s suc h a s larg e wheels , tracks , an dminin g equipment Th e proces s are aconsiste d o f

castin g plants . Both plant s majutaine dseparat e sandsystems , cor e ovens , mol d makes , electri c arc furnaces , pourin g facilities , an dcleaning , annealin g an dhea t treatin g proces s area s Durin g th e mi

d1980s , th e southern portio n of th e Site wa s lease dt o Can-A mResourc e Grou p (Ca n Am ) Ca

n A mconducte d aspent

catalys t recyclin g operatio n usin g a n experimental proces s Can-A mreportedl y obtaine dbetwee n 2,00 0 an d 4,00 0 drum s o f

spen t catalys t fro m chemical plant s an drefinerie s alon g the Housto n Shi p Channel . By l 988 , Can-A mcease d operation s an dabandone dth e drum s o f spen t catalys t o n th e Sjte . I n 1990 , MD 1 bough

t th e TESC O note for

mtl) e Texa s Commerc e Bank . TESC O cease d operation s i

n February 1991 , an dMD 1 foreclose d o n (h e property . MD 1 reopene d a s th e Sa n Jacint o Foundry (SJF ) on Marc h ] , 199 1 SJFcontinue d operation s unti l abou t Jun e 1 , 199 2 MD 1 file dfor Chapte r 7 Bankruptc y i

n th e U S Bankruptc y Cour t for th e Souther n Distric t

o f Texa s on May 1992 . Th e o n site facilitie s were demolishe d a s asalvag e operatio n under orde r o f the US . Bankruptc y Cour

t betwee n Marc h 199 5 an dJanuar y 1996 . In 199 8 an d1999 , th e Potentiall y Responsibl e Partie s remove dove r 5,00 0 drum s containin g wast e materials , wit h EPA' s oversigh t

Th e TCE Q conducte daremova l an d resioiatio n o f

8 9 residential yard s t o th e wes t ani l nort h o f

th e MD 1 facility . Th e remova l actio n wa s conducie dt o remov e surfac e soi l wit h concentration s o

f lea dtha t equale do r

exceede d 50 0 part s pe r millio n (ppm ) t o reduc e th e exposur e t o lead 2 . Physical locatio n 'Plie MD 1 Site , locate da

t 361 7 Baei Stree t

in Houston , Harri s County , Texa s i s a n abandone dfoundr

y facilit y locate dapproximatel y 2 mile s eas t o f downtow n Housto n andeas t o f the intersectio n o f

Highwa y 5 9 an d Interstat e Highway 1 0 Attachmen t 2 ha s atopographi c layout o f th e Su e Thi s portio n of

Housto n i s know n a s th e "Fift h Ward. " 71i

e MDJ fenced propert y occupie s approximatel y 3 6 acre s i n a n are ao f mixe d industrial an dresidentia l landuse . Th e MD l propert y i s bounde db y Har e Stree t

t o the north ; National Vinega r Compan y an

dPres s Slicc t t o the east , th e forme

r Texa s «*£ ' New Oilean s Railroad righ t o f wa y lieyon dth e easemen

tt o th e south , an dBringburs l Stree t

t o th e wes t

J"her e ar e J D exces s o f 10,00 0 peopl e within a nuk " o/ the Site , includin g several hundre dchildre n attendin g th e loca l elementar y schoo l 3 Site characteristic s Ther e are approximatel y 3 3 Hig h Acces s Area s a t th e Site wit

h lea dcontaminatio n greate r tha n the establishe d 50 0 pp mactio n level . Thes e HAA s includ e th e BJanc e Kels o Bruc e Elementary School , th e Fift

h WardMulti-purpos e Communit y Center , achurch , an d approximatel y 3 0 residentia l properties . Th e schoo l i s locate d on e bloc k wes t o f th e MD 1 Sit e Attachmen t

3 ha s th e layou t

o f th e elementary school . EPA' s Respons e Actio n Contractor , Tetr aTec h EM , Inc. , conducte dsamplin g activitie s an dfoun d lea

dcontaminatio n i s soi l i

n residentia l area s o f

th e Site . Th e are ainvestigate d wa s determine d by ai

r modelin g an d include s area s withi n th e 40 0 pp misopjelh . Th e soi J i n all the U A A s exceed s 50 0 pp man di s a s hig h a s 189 9 pp m 4 Release s or

threatene dreleas e int o th e environment o f ahazardou s substance , pollutant o r contaminan t Lea d i s th e primar

y contaminan t

o f concern a t th e Site . Lea d i s adesignate dhazardou s substanc e a s define di

n Sectio n J0I(J4 ) o f

CERCLA , 4 2 U S C.§9601(14) , an d4 0 CF R§30 2 4 . Analytical dat ashow s tha

t lea da t concentration s rangin g from51 1 t o j,89 9 pp mar e presen t i n th e soil s (surfac e t o 1 8 inches ) a t th e Site . Lea di s know n t o caus e primaril y neurologica l damag e i n human s a s th e resul t

o f ingestior i o f th e metal . Childre n ar e th e mos t susceptibl e grou p o f peopl e t o th e advers e effect s o f lead . Attachmen t

5 ha s th e ToxFaQ s fo

r Lea d 5 . NP L statu s Th e "Fina l Rule " addin g th e Sit e t o th e Nationa l Prioritie s Lis t wa s publishe di

n the Federa l Registe r

o n January 15 , 199 9 A Recor do f Decision , describin g the chose n remedia l action , ha s no t

bee n issue dfo

r the Site ; however , thi s propose dremova l actio n wil l b e consistent wit h an y subsequent

remedial activitie s tha

t may b e take n a

t th e Sit e 6 . Maps , Picture s andothe r graphi c representation s Attachmen t

1 Previou s Actio n Memorandu m Attachmen t

2 MDJ Sit e Topographi c Ma p Attachmen t

3 Bruc e Elementary Schoo l Layou t Attachmen t

4 Enforcement

Attachmen t Attachmen t

5 ToxFaQ s fo

r Lea dB . Other Action s t o Dat e 1 Previou s action s I n 199 8 an d 1999 , the Potentiall y Responsibl e Partie s remove dover 5,00 0 drum s containin g wast e materials , wit h th e EPA' s oversigh t

Th e TCE Q complete daremova l and restoratio n i

n 199 9 o f 8 9 residential yard s t o th e wes t an dnort h o f th e Site . Th e remova l actio n wa s conducte dt o remov e surfac e soi l wit h concentration s o f

leadtha t equale do r

exceede d50 0 pp mt o reduc e th e exposur e t o lead . 2 Curren t action s Th e EPA i s currentl y performin g a n Rl/F S a t th e Sit e Th e purpos e o f

the RJ/P S i s t o determin e th e natur e an dextent o f contaminatio n and

to gathe r sufficien t informatio n about

th e Sit e t o suppor

t a n informe dris k

management

decisio n regardin g whic h remed y i s th e nxjs t appropriat e fo

r th e Site . Th e EP A began remedial samplin g activitie s a t the Sit e i n January 2003 . C . vStat e an dLoca l Authorities ' Role s 1 . Stat e an d Joca

J action s t o dat e Th e Stat e o f

Texas , throug h th e TCEQ , wa s significantJ y involve di

n th e previou s activitie s a t th e Sit e an dcontinue s t o provide dtechnica l assistanc e durin g the Rl/F S 1 he TCK Q conducte daPreliminar

y Assessmen t

i n Novembe r

199 5 an daScreenin g Site Inspectio n i n Januar y J99 6 Further , th e TCE Q entere dint o acontrac t wit h EP A i n Marc h 31 , 1999 , to conduc t aJun e Critica l Remova l Actio n fo r the of f sit e portio n o f

th e Site under

th e Stat e Remova l Pilo t

Progra m 2 . Potentia l for

continue dState/loca l respons e Th e TCE Q will continu e t o provid e leclmica J assistanc e t o th e EP

A durin g the Rl/F S fo

r th e Site . Th e Texa s Departmen t o f Health i s currentl y gatherin g dat aconcernin g th e historical an drecen t bloo dleadstudie s conducte da t th e Sit e andplan s t o provid e informatio n to th e publi c durin g the upcomin g publi c meetings . III . THREAT S T O PUBLI C HEALT H ORWELFAR E O RTH E ENVIRONMENT , AN D STATUTOR Y AN D REGULATOR Y AUTHORITIE S A Threat s to Publi c Health o r Welfar eTh e curren t condition s a

t th e sit e mee t the followin g factor s whic h indicat e tha t the sit e i s athrea t t o th e publi c health , welfar

e an dth e envijonment

andaremova l actio n i s appropriat e under §30 0 415(b)(2 ) o

f th e National Contingenc y Pla n An y or al l o f thes e factor s ma

y b e presen t a t asite ye t an y on e o f thes e factor s ma

y determin e th e appropriatenes s o f aremoval actio n J . Exposur e t o Human Populations , Animal s o r the Poo dChain , NC P Sectio n 300.41 5 (b)(2)(i ) Th e soil s i n th e HAA s o f

th e Site contai n leadconcentration s tha t rang e fro m51 1 t o 1,89 9 ppn % base do n recent

dat a(additional dat ai bein g reviewe dan dvalidated) . Th e EPA' s goa l a t leadsite s i s t o attemp t

t o limi t exposur e t o soi l lea dlevel s suc h tha t atypica l chil do r grou p o f similarl y expose dchildre n woul dhav e a n estimate drisk

o f n o mor e than 5 % o f exceedin g a1 0 fig/d l bloo dlea dleve l Th e 50 0 ppr n remova l actio n leve l meet s th e 5 % IxjDclunark , base do n th e experienc e gaine dfromothe r lea dsite s i

n EP A Regio n 6 . Th e Cente r fo r Diseas e Contro l consider s th e 1 0 |ig/d l bloo dleadleve l a s elevate dfo r youn g childre n Th e EPA lxTieve s lha

t th e lea di n thes e soil s i s attributabl e t o th e historical foundr y operation s a s well a s oilie r possibl e sources . Exposur e to animal s an dfoo dchai n receptor s are no t know n a t thi s time . This informatio n will b e gathere ddurin g the ongoin g RJ/F S fo r th e .Sit e 2 . Contaminant s i

n Soil ; NC P Sectio n 300.41 5 (b)(2)(iv ) Th e soil s i n th e UAA s excee dthe actio n level s establishe dt o protec t th e huma n population . Lea dwa s foun

di n concentration s u p t o 1,89 9 pp mTh e soi l a t th e Blanc e Kels o Bruc e Elementary School , th e Fift h War dMulti-purpos e Communit

y Center , achurch , an

d approximatel y 3 0 residential propertie s hav e lea dcontaminatio n i

n soi l exceedin g Ih e respons e actio n level . 3 . Weathe r

Condition s Tha

t Ma y Caus e Hazardou s Substance s o r Pollutant s or Contaminant s t o Migrat e o r b e Release dNC P Sectio n 300.41 5 (b)(2)(v ) Th e are ai s subjec t

to hurricanes , Hooding an dothe r severe weather . The sever e flooding event s coul deasil y transport contaminate dsoi l withi n the residentia l area s 4 . Availabilit

y o f Othe r Mechanisms , NC P Sectio n 300. 4 1 5 (b)(2)(vii ) A t thi s time , there ar

e n o othe i mechanism s availabl e to respon dt o th e evacuatio n o f soi l contaminate dwit

h lea d B . Threat s to th e Environmen tllj e propose dactio n to b e take n durin g thi s respons e i s designe dt o addres s apubli c

healt h threa t resultin g fromthe contaminate d soil s withi n th e residentia l area s o f th e Site . Thes e actions , althoug h no t

specifically designe dt o d o so , wil l significantl y reduc e o r

mitigat e an

y potential ecologica l threat s IV . CRITERI A FO RAN EXEMPTIO N FRO M STATUTOR Y LIMIT S Consistenc y Exemptio n Sectio n 10 4 (c) ( l)(c ) limit s Fun d financedremova l actio n t o unde r $ 2 millio n an d twelv e month s i n duratio n unles s th e Agenc y determine s tha t continue drespons e actio n ar e otherwis e appropriat e and consisten t

wit h th e remedial actio n t o b e taken . Th e action s propose di n thi s memorandu mi s expecte dto requir e les s tha n $ 2 millio n t o complet e Previou s action s too k plac e fromNovembe r

2 , 199 8 t o Septembe r

30 , 1999 . Hence , the action s propose di n thi s memorandu mwill excee dth e J 2 month laps e time fromth e dat e o f th e initial respons e Also , th e action s propose d withi n thi s Actio n Memorandu mar e appropriate , consistent , ari dd o not hinder an y additional conceivabl e futur e remedia l action s t o b e taken . Th e Sit e wa s adde d to th e NP L o n Januar y 15 , 199 9 Th

e action s propose dmthi s Actio n Memorandu mwill preven t direc t huma n contac t wit h th e contaminate dsoil s All surfac e an d subsurfac e contaminate dsoil s will b e excavate dan d wil l b e store don-sit e I f thi s Actio n Memorandu mL S approved , action s vvil

i b e take n to remov e contaminate dsoi l fromth e Hig h Acces s Areas . AJ I thes e actio n hav e bee

n closel y coordinate dwith th e Remedia l Projec t Manager s an d ar e consisten t with th e planne d remedial actio n for

th e site V . ENDANGERMEN T DETERMINATIO N Actua l o r threatene drelease s o f

hazardou s substances , pollutant s o r contaminant s fro

m thi s Site , U no t addresse db

y implementin g the respons e actio n selecte di n thi s Actio n Memorandum , ma

y presen t a n imminen t and substantia l endangermen t t o th e publi c health , welfare , o r th e environmen t VI . PROPOSE D ACTION S AN D ESTIMATE D COSTS ' A . Propose dAction s 1 . Propose dActio n Descriptio n Th e propose dactio n for

th e Sit e involve s th e remova l o f soil s contaminate d wit

h lea d fromth e UAA s a

t th e Sit e Soi l wit

h lead contaminatio n greate r tha n 50 0 pp mwill b e excavated . Th e area s will b e backfille d t o prope r grad e andsodde d Th e contaminate d soi l will b e place da t th e MD 1 Sit e Sidewalks , driveways , andothe r suc h structure s will b e replace dwit h comparabl e structure s accordin g t o loca l code s Othe r

item s remove d o r

damage d a s aresul t

o f th e remova

l actio n wil l lx

> replace do r

compensatio n wil

l b e give n i n accordanc e wit

h 1*P A polic y a t theappraise dvalu e I t i s critica l t o conduc t

the actio n a

t the Blanc e Kels o Bruc e Elementary Schoo l i n Jul y t o coincid e wit

h schoo l closing . Other

activitie s wiJ

l b e conducte dt o facilitate interactio n wit h the publi c 2 Contributio n t o remedial performanc e Th e propose dactio n i s consisten t with an y future remedia

l respons e a

t thi s Sit e sinc e th e respons e actio n constitute s contaminant remova l 3 Descriptio n o f

alternativ e technologie s 'JTier e ar e n o alternativ e technologie s tha t coul dfeasibl

y b e applied . 4 Applicabl e or

relevant an dappropriat e requirement s Thi s remova l actio n wil

l b e conducte dt o eliminate th e actual o r potentia l releas e of

a hazardou s substance , pollutant , o r contaminan t

t o th e environment , pursuan t t o CERCLA , 4 2 U.S. C § 960 1 e t

seg. , an di

n amanner consisten t with th e Nationa l Contingenc y Plan , 4 0 CFR . Par t 300 , a s require da

t 3 3 U.S.C . § J321(c)(2 ) au d4 2 U.S. C § 9605 . Pursuan t t o 4 0 CF RPar t 300.415(1) , fun

dfinance dremoval action s unde r CERCLA § 10

4 an dremova l action s pursuant to CERCL A § 10 6 shall , t o th e extent practicabl e considerin g th e exigencie s o f th e situation , attai n the applicabl e o r

relevan t andappropriat e requirement s unde r Federa l environmenta l law . I f consolidatio n andoff-sit

e disposa l are tl) e principal element s o f thi s remova l action , RCR A wast e analysi s requirement s foun da t 4 0 CF R§ § 261.2 0 and261.30 , RCR A manifestin g requirement s foun da

t 4 0 CF R§ 26 2 20 , an dRCR

A packagui g an

dlabelin g requirement s foun d a t 4 0 CF R§ 262.3 0 ar e deeme dt o b e appropriat e requirement s fo r thi s remova l actio n Applicabl e RCRA requirement s for landfil l closure , 4 0 CF

R§ 264 . I I J , Subpart

G , ma y apply , whic h specif

y aca p wit

h apermeabilit

y les s tha n o r equal to ili e permeabilit

y o f an y botto mline

r o r natura l sub-soil s presen t

a t th e plant site . I n addition , applicabl e specifi c closur e requirement s whic h ar e provide dfor

surfac e impoundments , 4 0 CF R§ 264.228 , Subpar

t K , an dapplicabl e requirement s fo

r landfills , 4 0 CF

R§ 26 4 310 , Subpart

N may als o apply . Pos t

closur e and monitorin g requirement s ma y b e applicable , 4 0 CF

R§ 264.117(a) ( 1) , a s well a s RCR A requirement s fo

r locatio n o f

aTransportation , Storag e o r Disposal facilit

y in a100-yea

r flood plain , 4 0 CF

R§ 264.1 8 and4 0 CF

R6 , Appendi x A Th e selecte dremova l actio n doe s no t trigge r placement unde r the RCR A Lan dDisposa l Restrictions , sinc e al l wast e wil l b e move d onl y withi n th e are ao f

contaminatio n o r

RCR A unit , 5 5 fed. Re g 876 0 (Marc h 8 , 1990 ) Ambien t ai r quality standard s a

t 4 0 CF R5 0 will b

e used , a s applicable , t o protec t th e qualit y of ai r durin g th e implementatio n o f th e action .5

- Projec t schedul e Th e duratio n o

f activitie s i s expecte dto b e thre e months , dependin g upo n weathe r condition s andscheduling , andth e availabilit y o f disposa l contractor s an dothers . Hi e respons e a t th e schoo l mus t

b e conducte dmJul y an

dcoordinate dwjt

h the principal . B . Estimate dCost s Extramura l Cost s Cleanu p Contracto r

$600,00 0 STAR T $300,00 0 Previou s Cost s >.. $353,457.2 6 TOTAL , EXTRAMURA L COST S $1,253,457.2 6 

### VII . EXPECTE D CHANG E IN TH E SITUATIO N SHOULD ACTIO N B E DELAYE D O RNO T TAKE

N Shoul dtli e action s describe d mthi s Actio n Memorandu mb e delaye do r no t taken , th e soil s contaminate dwit

h lea dwil l continu e to contribut e t o th e direc t exposur e o f

childre n an

d adult s Th e soil s i

n th e HAA s of

th e Sit e contai n lead concentration s tha t rang e from5 1 ] t o 1,89 9 ppm , base do n recent

dat a(additiona l dat ai s bein g reviewe dan dvalidated) . VIII . OUTSTANDIN G POLIC Y ISSUE S Ther e are n o outstandin g polic y issue s associate dwit h ibi s removal actio n o r

the Site . IX . ENFORCEMEN T Fo r administrativ e purposes , informatio n concernin g confidentia l enforcemen t

strateg y fo r thi s sil e i s containe di

n th e Enforcemen t

Confidential Attachmen t

4 . (Direc t Cost ) + (Othe r

Direct ) \ (4 2 14 % o f

Tota l Direc t

{Indirec t Cost} ) = Estimate d EP A Cos t for aRemoval Actio n (51,253,457.26 ) + ($125,346 ) + (42.14 % x 1,378,803.26 ) = $1,959,830.9 5 Direc t cost s includ e direc t

extramura l cost s an

ddirec t intramural cost s Indirec t

cost s ar e calculate dbasedo n a

n estimate dindirec t

cos t rat e expresse da s apercentag e o f site-specifi cdirec t costs , consisten t

wit h th e ful l cos t accountin g methodolog y effectiv e Octobe r 2 , 200 2 Thes e estimate s do not

include pre-judgemen t

interest , d o no

t take int o accoun t

othe r enforcement

costs , includin g Departmen t o f Justic e costs , an

dma y b e adjuste ddurin g th e cours e of aremova l action . Th e estimate s ar e fo r illustrativ e purpose s only , an dtheir us e i s not intende d t o creat e any right s fo

r responsibl e partie s Neithe r th e lack of atota l cos t

estimat e no r

th e deviatio n o f

actual tota l cost s fromthi s estimat e wil l affec t th e Unite dvStates ' right

t o cos t recovery . X . RECOMMENDATIO N Thi s decisio n documen t

represent s th e selecte dremova l actio n fo r th e HAAs of

the MD l Superfun dSit e locate di

n Houston , Harri s County , Texa s develope di n accordanc e wit h CERCL A a s amended , andno t inconsisten t

wit h th e NCP . Ilii s decisio n i s base do n th e Administrativ e Recor dfo

r th e Site . Coixiition s a

t th e Sit e mee t

th e criteri aa s define db y 4 0 CFRSectio n 300.415(b)(2 ) o f th e NC P for aremoval , an

d1 recommen dyou r

approva l o f

th e propose dremova l actio n Th e tota l projec t ceilin g wil

l b e $1,253,457.26 . 

### APPROVE D ^^T^^C^J^^ ^DAT EUNITE D STATE S ENVIRONMENTA L PROTECTIO N AGENC Y REGION S ROS S AVENUE , SUIT E 120 0 DALLAS . T

X 7520 ? ?73 3

MEMORANDU M SUBJECT : Amendmen t t o th e Actio n Memorandu ma t th e Hig h Acces s Area s o f th e Man y Divej^ifietHnterests^lnc . Superfun d Site . Houston , Ham s County . Texa s FROM : / w Gregor y Fife , On-SceneCoordinato r

Sit e Respons e Sectio n (6SF-R2 ) TO : THR U Myro n O . Knudson , P.E. , Directe d <

Superfun dDivisio n (6SF ) U Charle s A Gazd a Respons e an dPr e I . PURPOS E Thi s memorandu mdocument s you r verba l approva l fo r

aceilin g increas e an d a

n amendmen t

t o th e Remova l Actio n pursuan t t o th e Comprehensiv e Environmenta l Response , Compensatio n an dLiabilit y Ac t (CERCLA) , a s amended . 4 2 U.S.C . §§960 1 e t seq. , a t th e Hig h Acces s Area s o f

th e Man y Diversifie d Interests , Inc . Superfun d Sit e ("MD1" ' o r "Site" ) locate di n Houston , Harri s County . Texas . Th e propose damendmen t involve s th e excavatio n an d consolidatio n of

contaminate dsoi l i n 3 3 additiona l Hig h Acces s Area s (HAAs ) of th e Sii e 11 . SIT E CONDITION S AND BACKGROUN D CERCLJ S #TX000228808 2 Categor y o f

removal : Tim e Critica l Sit e ID#06F E

Interne t AtJdios s (UH l f n '2 p ww w ep;»^qov.earthit b ryrlnN e f-nni f r i wit h Veijel.'i t -I c (ti l f(;i 5 .ft j Ink? , o n Re i • y ( le d I'npr i (Minimu m 'MY •• F 'O', k i>n:-uii nA Sit e Descriptio n 1 Remova l site evaluatio n Se e attache dorigina l Actio n Memorandu m 2 Physica l locatio n Th e MD J Site , locate da

t 361 7 Bae r

Stree t i n Houston , Harri s County , Texa s i s an abandone dfoundr y facilit

y locate dapproximatel y 2 mile s eas t o f downtow n Housto n an deas t o f th e intersectio n o f

Highwa y 5 9 an dInterstat e Highwa y 10 . Attachmen t 2 ha s atopographi c layou t o f th e Sit e Tin s portio n o f

Housto n i s know n a s th e "Fifth Ward. " Th e MD J fence d propert y occupie s approximatel y 3 6 acre s i n an are ao f mixe d industria l an d residentia l lan d use . Th e MD J propert y i s bounde db y Har e Stree t t o th e north ; Nationa l Vinega r Compan y ari d Pres s Stree t t o th e east ; th e forme r

Texa s & Ne w Orlean s Railroa d right-of-wa y beyon d th e easemen t t o th e south ; an d Bringhurs t Stree t t o th e west . Ther e ar e i n exces s o f 10,00 0 peopl e withi n a mil e o f th e Site , includin g severa l hundre d childre n attendin g th e loca l elementar y school . 3 . Sit e characteristic s Ther e ar e approximatel y 5 9 Hig h Acces s Area s a t th e Sit e wit h lea d contaminatio n greate r tha n th e establishe d50 0 pp mactio n leve l Thes e HAA s includ e th e Blanc e Kels o Bruc e Elementar y School , th e Fift h War d Multi-purpos e Communit y Center , achurch , an d residentia l propertie s Th e propertie s wer e prioritize d base d o n lea d level s an d presenc e o f childre n o n th e property . Priorit y On e comprise s o f propertie s abov e 50 0 pp mlea d wit h childre n les s tha n 6 year s ol dresidin g i n thes e properties . Priorit y Tw o comprise s o f propertie s abov e 100 0 pp mlea d wit h n o childre n residin g in thes e propertie s Priorit y Thre e comprise s o f propertie s wit h 50 0 - 100 0 pp mlea dwit h n o childre n les s tha n 6 year s ol d residin g i n thes e properties . EPA' s Respons e Actio n Contractor , Tetr aTec h EM . Inc. , conducte d samplin g activitie s an dfoun dlea dcontaminatio n i s soi l in residentia l area s o f th e Site . 'The are ainvestigate d wa s dekimine db y ai r

modelin g an dinclude s area s withi n th e 40 0 pp misopleth . Th e soi l i n al l th e U A A s exceed s 50 0 pp man di s a s hig h a s 277 9 pp m 4 Release s o r

threatene dreleas e int o th e environmen t o f ahazardou s substance , pollutan t o r contaminan t Se e attache dorigina l Actio n Memorandu m 5 NP L statu s Se e attache dorigina l Actio n Memorandum .6 . Maps , Picture s an dothe r graphi c representation s Attachmen t

J Origina l Actio n Memorandu m Attachmen t

2 MD J Sit e Topographi c Ma p B . Othe r Action s t o Dat e 1 . Previou s action s Se e origina l Actio n Memorandum . 2 . Curren t

action s Th e EP A i s currentl y performin g an RJ/F S a t th e Site . Th e purpos e o f

th e Rl/F S i s t o determin e th e natur e an dexten t o f contaminatio n an dt o gathe r sufficien t informatio n abou t

th e Sit e t o suppor t

a n informe dris k

managemen t

decisio n regardin g whic h remed y i s th e mos t appropriat e fo r

th e Sit e Th e EP A bega n remedia l samplin g activitie s a t th e Sit e i n Januar y 2003 . Remova l Actio n currentl y bein g don e a t th e sit e bega n o n Jul y 15 , 2003 . Followin g you r verba l approva l o f

th e ceilin g increas e an damende daction s o n Septembe r 8 , 200 3 , EP A bega n wor k o n th e additiona l propertie s Remova l Actio n a t mos t o f Priorit y On e an dPriorit y Tw o propertie s ar e complete . Remova l Actio n i s currentl y bein g don e i n Priorit y Thre e properties . C . Stal e an dLoca l Authorities ' Role s 1 . Stat e an dloca l action s t o dat e Se e origina l Actio n Memorandum . 2 . Potentia l fo r

continue dState/loca l respons e Se e origina l Actio n Memorandum . JIJ . THREAT S T O PUBLI C HEALT H O RWELFAR E O

RTH E ENVIRONMENT , AN D STATUTOR Y AN D REGULATOR Y AUTHORITIE S A Threat s t o Publi c Healt

h o r Welfar e Th e curren t

condition s a

t th e sit e mee t

th e followin g factor s whic h indicat e tha t th e sit e i s athrea t t o th e publi c health , welfar e am i th e environmen t an daremova l actio n i s appropriat eunde r §300.415(b)(2 ) o f

th e Nationa l Contingenc y Plan . An y o r al l o f thes e factor s ma y b e presen t a t asit e ye t an y on e of

thes e factor s ma y determin e th e appropriatenes s of aremova l action . 1 . Exposur e t o Huma n Populations , Animal s o r th e Foo d Chain , NC P Sectio n 300.41 5 (b)(2)(i ) Se e origina l Actio n Memorandum . 2 . Contaminant s i n Soi) ; NC P Sectio n 300.41 5 (b)(2)(iv ) Th e soil s i n th e HAA s excee d th e actio n level s establishe d t o protec t th e huma n population . Lea dwa s foun di n concentration s u p t o 1,89 9 ppm . Th e soi l a l th e Blanc e Kels o Bruc e Elementar y School , th e Fift h Ward Multi-purpos e Communit y Center , a church , an d residentia l propertie s hav e lea d contaminatio n i n soi l exceedin g th e respons e aetio n level . 3 Weathe r

Condition s Tha t

Ma y Caus e Hazardou s Substance s o r Pollutant s or Contaminant s t o Migrat e o r b e Released . NC P Sectio n 300.41 5 (b)(2)(v ) Se e origina l Actio n Memorandum . 4 . Availabilit y of

Othe r Mechanisms , NC P Sectio n 300. 4 J 5 (b)(2)(vii ) Se e origina l Actio n Memorandum . B Threat s t o th e Environmen t Se e origina l Actio n Memorandum . V . ENDANGERMEN T DETERMINATIO N Actua l o r threatene drelease s o f

hazardou s substances , pollutant s o r contaminant s fro m thi s Site , i f

no t addresse db y implementin g th e respons e actio n i n thi s amendment , ma y presen t a n imminen t

an dsubstantia l endangermen t t o th e publi c health , welfare , o r th e environmen tM . PROPOSE D ACTJON S AN D ESTIMATE D COST S

A . Propose dAction s 1 . Propose d Actio n Descriptio n Se e origina l Actio n Memorandum . 2 . Contributio n t o remedia l performanc e Se e origina l Actio n Memorandum . 3 . Descriptio n o f

alternativ e technologie s Se e origina l Actio n Memorandum . 4 . Applicabl e o r

relevan t an d appropriat e requirement s Se e origina l Actio n Memorandum . 5 . Projec t schedul e Th e duratio n of

activitie s i s expecte d t o b e a n additiona l tw o month s ( 5 month s total) , dependin g upo n weathe r

condition s an d scheduling , an d th e availabilit y o f disposa l contractor s an dother s B Estimate dCost s Extramura l Cost s Cleanu p Contracto r

$850,00 0 STAR T $600,00 0 Previou s Cost s $353,457.2 6 TOTAL . EXTRAMURA L COST S $1,803,457.2 6VII . EXPECTE D CHANG E IN TH E SITUATIO N SHOUL D ACTIO N B E DELAYE D O RNO T TAKE N Se e original Actio n Memorandum . VJJJ. OUTSTANDIN G POLIC Y ISSUE S Se e origina l Actio n Memorandum . IX . ENFORCEMEN T Als o se e original Actio n Memorandum . (Direc t Cost ) + (Othe r

Direct ) + (42J4 % o

f Total Direc t

{Indirec t Cost} ) = Estimate d EP A Cos t fo r aRemoval Actio n ($1,803,457.26 ) 4 ($180,346 ) + (42.14 % x 1.983.803.26 ) = $2,819,777.9 5 Als o se e original Actio n Memorandum . X . RECOMMENDATIO N Thi s decisio n documen t

represent s th e selecte dremova l actio n fo r th e HAA s o f

th e MD 1 Superfun dSit e locate di n Houston , Harri s County , Texa s develope di n accordanc e wit

h CERCLA a s amended , an dno t inconsisten t

wit h th e NCP . Thi s als o document s your verba l approva l fo

r th e ceilin g increas e andth e amende dactio n o n Septembe r 8 . 200 3 Thi s decisio n i s base do n th e Administrativ e Recor dfo r th e Sit e Condition s a

t the Site mee

t th e criteri aa s define db y 4 0 CE RSectio n 300.415(b)(2 ) o

f the NC P fo r aremoval . Th e total projec t ceilin g wil l b e $1,803,457.2 6

APPROVED [y\y '

U^/ V /sy V

DAT E Attachments

### ATTACHMEN T 4 MD I Site Topographi c Ma p

## SITELOCABO N

N 1 1 1 1OO O I1 0. 5

0 1 1 i 1

100 0 SCAL

E 1 1 200 0 1 :

0 

### 1 300 0 | 2400 0

400 0 600 0 600 0

1 700 0 FEE T 1 MIL E Ecolog y an d Environment , Inc . Regio n 6 STAR

T TDD # S06-96-02-001 3 CASE#F96-161 9

SOURC E = SETTEGAS

T QUADRANGL E U.S.G. S 7. 5 Minut e Serie s (Topographic ) ATTACHMEN T 3 : MD I Sit e

Houston , Harri s County , Texa s C:\ANGEIS\COREIWIDI-SITEMAP.CD R