United States
Environmental Protection
Agency
Office of
Emergency and
Remedial Response
EPA/ROD/R05-86/046
September 1986
SEP A
Superfund
Record of Decision:
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TECHNICAL REPORT DATA
tPtHJ. nlld ItWfUCIIO"S 0" lh, frvrn, b,fOl'r co,""I,II",J
1. ".ftO"T NO. \2. 3. IIIECIP'ENT'S ACCESSION NO.
EPA/ROD/ROS-86/046
.. TITL.E AND SUITITL.I 5. lIIeftOIllT OATE
SUPERFUND RECORD OF DECISION C;",ntember 30. 1986
Seymour, IN &. PERFORMING ORGANIZATION COOE
,. AUTHOIIIISI 8. PERFORMING ORGANIZATION REPORT NO
9. PERflOIliMINO OIliOANIZATION NAMi AND AOOIliESS 10. PIIIOGRAM EI.EMENT NO.
I,. CONTRA~T/ORANT NO.
12. SPONSOFlING AGENCY NAME ANO AODFIESS 13. TYPE OF REPORT ANO peRIOO COVERE"
U.S. Environmental Prote~tion Agency ,:';"",1 ROD -- -
401 M Street, s.w. 1.. SPONSOFlING AGeNCY cooe
washington, D.C. 20460 800/00
111. SUPftLEMINTAIII.... NOTES
1&. A8STFIACT
The Seymour Recycling corporation (SRC) site, encompassing a fourteen-acre area, is
approximately two miles southwest of Seymour, IN. Approximately one hundred homes are
located within a one-mile radius of the site in a predominately agricultural area. Fror:'
about 1970 until early 1980 SRC operated a processing center for waste chemicals. Over
the years toxic and hazardous wastes, including solvents, metal finishing wastes and
other materials, accumulated on the site in 55-gallon drums, bulk tanks and othe~
containers. Wastes leaked and spilled from the drums creating fire and odor problems.
A Consent Decree, reached in the fall of 1982 after a May 1980 suit filed by the Unit~d
States against the owners and site operators, resulted in the removal of approximately
the upper one foot of contaminated soil from about 75 percent of the site's surface.
Contaminated soil remains, however, and extends throughout the shallow and geep
aquifer. The site is fenced and partially covered with a temporary soil cap. Homes
surrounding the site have recently been connected to the city water distribution syst~~
due to the threat of ground water contamination. The primary contaminants of concern
include: VOCs, organics, TCE, DCE, benzene, toluene, and heavy metals.
The selected remedial alternative for the site is the implementation of a plume
stabilization system which will extract, treat, and discharge approximately 101,690,000
gallons of contaminated ground water to the seymour wastewater Treatment Plant. The
,..~~;.....~,..A ,.......;~,,' ...."..to far this I"emedv is S300 000. O&M costs are estimated to be
,,(See Attached Sheet) KI"" WOIliOS AND OOCUMENT ANALYSIS
a. DISCIIII"TOIIIS b.IOENTIFIERS/OPEN eNDeD TEFIMS c. COSA TI F ,eld. Group
Record of Decision
Seymour, IN
Contaminated Media: so il s, gw
Key contaminants: VOCs, organics, TCE,
DCE, toluene, benzene, heavy metals
1.. OISTRIBUTION STATEMENT 19. SECUFlITY CI.ASS / Tlus R~po"l 21. NO. OF PAGES
None 52
20. SECUIliITY CI.ASS ITlus PilI'} 22. PRice
None
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UOcUIII~nts K~vi ewcCJ
I am Da~in~ I~ uecision on the fol lowin~ documents descriDiny tne ~tfective-
"ness or relllt:dial alternatives tor the Seymour ~eCjCliny site:
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Corrt:!siJulluence trull JotHl blass, Cti~I'l Hi II, to LJorotnj IwlCl:ilincj,
L1erd::jl1ty ana "'Ii II er, Inc., Iwlay ~, 1 ~d6.
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Se)n10ur t.
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Corrt!s~onaenc~ trum liei I 1'1eICl\:ji II, U.S. EPA, to Uavid u. Mi tier,
(jcra~ntj dna 11ill~r, Inc., Julj 11, l~~o.
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Corr~stJunll~n~~ trvffi ::ijeCl Mclnlllood, lJi,1"1 Hi II, to UClvic.t Favero,
~~A, July ~~, 1~~6.
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j)nc1St!\J Fedsioility ~tUdy, bruunClwater Contamination uperaDIt! Unit
tor tn~ SeYllluur KeCjclin~ corfJoration Site, u.S. t:,PA, AU:;Iust, 1~B6.
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fJulJlic COlllment FeasiDi lity StUdy, SeyiliOUr Kecyclin~ CorjJuration,
5e,ylllour, Indiana, CH21'1 Hi 11, Au~ust ~~, 1~~6 (Attachea).
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Comillunity Kelcstions Kesj,Jonsiveness Summary, tor the PuDlic Comment
perioCl, pnasect FeasiDility StUdy t'or l:iroundwdter Contamination,
~cfJt~nDer ~~, l~~b.
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~urhlTlary of tne Alternative !::valuatiun tor a Plume StaDi lization
~ruJect at the Seymour ~eclcliny Corporation Site, u.S. Ej)A,
~e..,tcllll>~r, .1~cSb (I'\ttachea).
Uescri~tion ot ~elt!ctt!u ~~Ileaj
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Contami nateCl :;jrounawater wi II be extracted froll the shallow
ayuiter northwest of the site.
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The contaminateu :jroundwdtt!r wi I I bt! treatea to tne extent
re'iui reCl to meet the jJretrecstment re~ui relnents of the ~e'ymour
Wdstewdt~r Treatnlent Plant.
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Ittis OlJerc1Dle unit Cdn ue ll1te~rcited as d fJart ot the final
r~lI1euial action selected for the site.
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ueclardt;on
COllsistt:!flt witn tile t;olllfJr~n~ns;ve I:.nvirorunentdl kesfJonse, ComlJensation
ana Liduility Act ot l~dU (CI:::KCLt\) anlJ tt1~ r~ational t;ontin!;jt:!ncy Plan
(I~CP), 4U Lh< Part Juu , I tldve dt:tenn;lIed ttldt fJlUine Stdbilizdtiofl is
an effective int~rim rellieuial action to address yroundwater contamination
'at tht:! ::>ejlliour KeCjClin:;j sitt:!. Tllis interinl r~lIedJ is consistent with
tile fJerlilanent rehlt:!o;es bein\;j cunsiaert:!d tor the site ana fJrovil1t:!s
al1ei.juate jJrotectioll or fJUblic nedltn, weltdre and the environment. TIle
State of Inuiana has been consulted and a!;jrees witn this interim remedy.
Iflis ;nterilll remel1y will reyuire operation and IIldllltcndnce (Val'I), wlliCi! is
cunsioered fJart of the a~fJrovea action.
A h:!dSioi lity Studj tu at:!termille tne final reflledj tor ttlis site lidS been
nldae dvai IdDle tor jJUblic cOllllllent. rile fJlume staDi lization systeln is a
conlfJonent at U.~. I:.PA's recomlnended alternative. Additional remedial
dCtl0flS wil I be describ~d in d subsequent r{~cord of Decision.
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::>UlIlllldry of the Alterrldtivl: I:.vdluation tor
tor d PIUllie ::>tdbi lizatiun PrOject at the
~e'yllluu r KeC}C I i n~ Lorf/ureat 1 on :> i tE:
::>ite Locdtion and Uescri~tion
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rnis 14-dcre site is located ruu~t1ly L miles southwest of SeYilluur. Indidnd.
n~ar tile northwest corner OT Freeillan r-lunicijJdl Air~ort and Inoustrial
parK (ri~ure 1). Most ot the nearby Idn~ is used tor a~riculture. The
site is located on a nearly level ~Idin; surface draina~e is towardS the
td.st forK at the White Kiver, wtlictl is ajJ~roxillldtel,y 1 1/'- lIIi les nortnwest
ot the site.
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Tne city ut ::>eYlnour lidS d ~u~ulatiun of dfJ~roxililatel.1 l:>.JUU. About 10U
lIomes are I ocate a within a one-mile radius of the site. Most of theSe
hOllies are in the ::>nyde Acres subaivision to the north of tile site. These
tlai~S usea ~rivate we I Is until most of th~" were recentl,y cunnected to tne
city wdtl:r distribution SyStelll fJecaust:! of We threat of contamination TrOll1
the site.
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~ite HistlJry
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frum about 1~7u until early 1~~u Seymour Kecycliny Cortl0ration (SKC)
o~eratea a jJrocessin~ center for wdste chellilcals at the site. uver the
years toxic and tldzarauus wastes. includin~ solvents. metal tinishiny
weastes and utner IRaterials, accuiliulated on the site in ::I!)-yallon drums.
DulK tanKs drla oth~r cuntdiners. rlles~ wastes leaKea ana spi lied from
their containers tliUS creatin~ tire and odor problems. un May ~. 1~du
tne ullitcu :::itates Tileo suit a~di(1st toe owners ana operators uf the site.
In the fal I of 1~d~ tile United :::itates and certain cOIR~anies whO alle'::jealy
sent waste to the site reachea a settlf:lIlent a':jreement. Unaer the terms
ot a ~ons~nt ut:!cree tne settlin~ defenaants removed accwnulated wastes
and ajJfJroximatel.1 the ujJ~er one toot at contaminated soil from aDout 7~10
of tll~ site's surface between l~~l and l!:ltS4. Contal1linatea soil remains.
huwever. ana extenos throu~110ut the shallow a4uifer and into tne aeep
ayuifer. Tne site is fenced and fur the most part covered with a temj.Jorar,y
soil"cover. ~everal abandoned Duilainys also remain on site.
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t:.nTorc~lII~nt :>tatus
There is an existin':j case betore the united :::itdtes
Uistrict of Inaiana. The Unitea Stdtes has claims
aetenadnts. Anotner a~~roximately 4:> ~arties have
detendants as third ~eart,y aetendants.
uistrict ~ourt. Soutnern
pendin~ a~ainst over bU
oeen aaaed by certdin
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A case Inand~enleflt oraer in effect calls tor a ne~otidtion perioa that be~ins
when the final feasibility study is maae available. SejJtember 1. 1!:1cs6 ana,
~111 run unti I dOOUt Ueceliloer lY. l~~b. It' an a~reelOent cannot be reachea.
tll~ case is scheauled to ~o to trial.
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SEYMOUR
INDIANA
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East-West Creek ...... ...--co.
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STUDY
AREA
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SCALE 1:l4000
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2000
3000
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7000 ,W
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1 KILOMETER
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FIGURE 1
SITE LOCATION/STUDY AREA
SEYMOUR RECYCLING CORPORATION
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~urrentli an order is b~in~ ne~utiated between tne United States
ddnts to it1\fJlemt:!nt tn~ ",Iuinl;! stabi lizatiun sJsteli1 recolllllh:~ndea in
°Tne order, wilen finidizea, wi II De sUblllitt~u to JUd~e wi Iii am E.
ajJjJrovdl.
and tne de fen-
tll is dOCUlllent.
St~CI~roximately l!>U feet ~er year. Contaminants are
movi n~ at vdri ous rates ttlrou~tl tile sna II uw a~ui ter; some at ratt:!S ~reater tnan
trle tlow, ana otners lI1ucn slower tnan tne flow rate:. Tne closest residential
we I I wnich is now USed tur water1n~ cattle belon~s to Mrs. Utte and is about
IjUu teet nortnwest of tne site.
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\Jtl1er recei vers of contdfni nated ~roulldwater cou I d be East-West (,;reek and Von
Fan~e UitCII, botn tributaries to tne East Fork of tne ~nite Miver. In this
scenario tne ~eneral ~ublic as wel I as ciota in the creek ana tne ditcn draina~e
drea coulu De exposed to contaminated ~round/surface water.
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Cont~oinants in tne snallow a4uifer are present in concentrations wnicn are
nazarIJOUs to jJuolic nedltn cHId tile environlllclit. Table ~.1:;) uf tIlt:! Kemejial
tile Kelneaial Investi~ation shows tne risks onsite wnile TaD Ie 9.1~ eXdl.lines ott'-
site risks. Tnese tables are includea tor your reterence. Potential healtn
effects frum inyestiny tne cont~ninated yroundwater include cancer (Denzene and
and vinyl cnluride are Known carcino~ens), liver IJama:;je ano kidney darna~e.
Ueterrnination of Alternatives for Evaluation in tne pnased Feasibility Study
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1.:I-Plchloraetb888 0.06' lJOOO 'I~:I 1600 1£-oJ
t.trocltloroethene 0.051 500 1£-4)' 16 Sr.-OS
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0111ya limited nUlllber at alternatives were evaluated in the Phased Feasi-
Dility ::>tW.1y lPf::i). Tile decisiull tu evaludt~ an unusually limitea nUlilber
was base(] on the Public Coolillent Uraft Feasibility Study (FS) which was
aV.di laole at tne tilth:~ of ttl~ ..,re..,aration of the fJF::i. fhe FS contains tne
aeta i led ai scuss i on at ttle techno I o~ screeni n!;j tor methods to coli ect and
trt!at :;,rounawater. Tne technolu~ies remainin:;, after tne initial screenin::j
were extraction, containment and mi\;1ration control.
£xtraction we I Is ~rovt:!u to De the only ~rdctical alternative tor withdrawin!;j
;ruundwdter. SUDsurfdce drai ns were e I imi nated because they waul d not a 11 Ow
tur tlexiuility in ..,um..,in::j rates whletl would be net:aed dS tht! cUlicentration
ana cuMi ~urat i on of tile.., I ume chanyes. uther factors, a I thoU~h not JIIent i oned
in ttle f::i, are the ae..,tn (a"'fJruxi,nately JU teet) ano ttle len::jth (a..,...roxi'llatelj
7uU teet ~er~endicular to ~roundwater flow) the drain would have to De to
CdfJture tile ..,Iuille. Tne costs and installation jJroblelns associated with SUCtl a
arain add to its un..,racticality. £xtraction would hydraulically control yrOund-
watt!r tluw ana remove contaminants; wllich dre tne aDJectives of a4uit~r cleanu..,.
Lunti:linment is a viaDle alternative. Specific methoas of containment are a
multi-Iajer Ca.., and tile use at ~radient control throuyh extraction wells with
or withuut slurry walls.
Cd..,..,in~ is etfective in reducin!;j infiltration into and thrOuyh tile contaminated
soil out aoes nothiny to sto.., the down~radient s..,read ot contaminants already
ill tht! ::jroundwater. Accordin::j tu the FS, it inti It ration in the ::Irounawater
is sto..,~ed imme(]iately, it WOUld still take over 10U years to natural"ly reaCh
a concentratiun ot lU-o increase Cdncer risK level.
uraoient contrul usin::j extraction wells and a slurry wal I was evaluated in the
r~ Tor the area imlllediately surroundiny tne site. A slurry wall is not joIractical
dt tnc t:!u~e ot tne fJlullle Dt:!CCluse ot the lar::je land ared tnat would need to be
surrounaed or lon~ distance that wOuld have to De cut-off. In order to Illake the
slurry wal I dn ettective Darrier, extraction well(s) woula De neeaed to control
the water level (i.e. ttle ~radient) inside or behind the slurr,y wall. PurnlJin~
ratt!s for ~radient control dre less than tor extractiun Decause the aDjectives
is to control the ::jrounuwater flow and not cleanup the a4uifer. An extraction
well Cdn Oy itself control tne tni::jration of tile ~lume so a slurry wall would
add unnecessary cost to a systelR with ~luRie stabilization as its obJective.
AS a result of the evaluation in the F~, a aetailed evaluation of five ~rouna-
water collection schemes usin~ the technolo~ies tnat ~assed the initial screenin::j
WaS ..,ertonllea. Tne five scnemes are: (1) extraction wells only, (2) extraction
wel Is ~recedea by an interim vlume staDilization well, (3) extraction wells in
COiRDinatiun with dn injection well, (4) extraction wells cOIIIDined with fJartial
containment in a slurry wall around the site, and (t» a wel I to limit joIlume
mi~ration.
Tne ..,Iullie stabi lization system wnicn is the sUDJect .of this document, is iaenti-
tiea and evaluated in the PFS and is s~ecificallj evaluated in one ~otential
',:., '.. ", ~"t; ....' : . . - "'. ~ '.f '
, :" . ~\..'; ,,::, " ~~' :.'-.:'~':'I::'~'~ '::,-:'."-;"~--t.:::.~';;~'7.":\'.:';:~: ,::.,;,:;:~}:.':r.:::;,"J.~~;\---:r:(~,,"r:,'\-."::'>:."-\~:"!1"...;:~~~,tJ'J':--~:~/:.'".:"~ .~~'''''''./','''.''''~}:'?_; ',':'.';'~':'~Y~ ;i.,'\.''::' "'- ;.,~';. ''''. '",,' -
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SCheme in the F~. In aduition, as is stated in tne F~, if tnt: fJluille
stobi lizatiull well is instdlle<.1 ill l~~/, it could rel.doce the down'::!raoient
uTT-site well illcluded in all the scn~llIes (excludin~ sClleme ~ which includes
tile tJlume staoilization well).
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eftect ot varivus ~roundwdter extraction scnelnes. It should be noted that
because oT tile irilierent fo/ruDlelliS ut jJrecisely Iliodeliny tne natural environ-
Inent, assUillptions must be IIlaae. In adoition, tne lfIatl1ematical el.juations used
are limited in various ways so adaitiondl error is introduced into tne results.
, A I so, in tIll s case th~r~ WdS not a I on~ enou~1l lJeri od of ~roullo.vater IIloni tori n~
r~sultS dVdi Idole to Ilisturicolly matcil the ooserved contdmillont oistriDution
fJattern with Inodelin,::! resu'lts (ttlis is referred to as calibration). .
~ecouse uf tne ~ualiTicdtions tllat must De a~tJlied in this case to tne results
ot ~rounawdter lIIodelin~. Tne results St10uld be used onlj' as a Dasis of relative
CUlllfJa rl SOIl.
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In oraer to Kee~ tne cantJuter runs to a mana~eaDle numDer, indicator c~lIjJounds
Wt:re se I ectea from the contalni nants aetected in tt1e ~rounawdter at and near the
~ejlilOUr Slt~. The inoicator COlllt..ound dndly~es was t-Ierfonlu:!d takHI::i into con-
Si<.1erdtion tne lIIoDi lity, concentration, toxicitj ana treatability of the
cuntoillillc1llts iaentitled in tne ~ruundwdter. ~ased UtJun ttle dndl}sis, we
TO II olvi ni:! CUIII~Uunas were used in Ule ~rounl1wdter lIIode 1 i n'::l:
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o
tetrachloroethene
o
vinyl chloriae
"'
fetracnloretnene is useO as the inaicator of ultimate yrounawater restoration
DeCdUS~ uf its reldtivelj low-liIooi lity. The lIIobi Ilt) ot vinyl cn'loriae is not
well unaerstood ana tile literature conti:lins jJartition coefficients tnat cuulo
IlIdke vinjl cnloriae either one of tne must mObile cOI1l~ounas or une of tne least
mODi Ie compounas. ~ecause at" this uncertainty, vinyl chloride was not considered
in tile F~ wnen ~valuatin~ extraction scheme~.
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Tile tollowin~ 6 fi~ures (Fi~ures 4.2, 4.3, 4.~, 4.b, A.17 ana A.l~) depict the
rtdative aistribution in 1':::H:S~ of tnree contaminants of aifterent mObility wittl
dna witlluut tne p I Utile staDi Ii zat i on well. As can De seen on trle f i '::lures, trle
ared of tile ' in.>' I clliuridi! ,.dume is sl~nitici:llltly reduced DUt aoes still redctl
the nearest receptor well; the 1,2 dictdoroethane p"lume is noticeably reduced;
dnd tile tetrdcnloroetnene tJlullie is virtually unaltered in conti~uration. Tile
aifference in proJected ~Iume size and conti~uratioll are due lar'::lel} to mODil-
ity oitferences ot the contalilinants. The plUllle staoilization well is effective,
althou:/h nut total I) so, in tJreventin'::l IJownyraaient mi~ratiofl of contaminants
t/ast ttle we II. Tetractll oroethene, the kej C()lIjJouna in tenns of ~roUndwater
shoula not mi~rate jJast tne fJlume StaDilization well.
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Also usi",::! tne '::Iroullowater mOdt!lin~, the jJeak
l,~ dicnloroethane and tetracl1loru~tnt:!ne were
A.U, A.14 and A.J.~ ~rdtJnicdlly rejJresent tr1~
wi:lter ~xtraction scnelue " wnich includes the
concentr~tions vinyl cnloriQ~,
jJredicted ov~r time. ~i~ures
~reater ~Tfectiveness of '::!round-
j.ilume stabilization well.
-------
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SHALLOW AQUIFER
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Scale in feet
FIGURE 4.2
PREDICTED DISTRIBUTION OF 1,2
DICHLOROETHANE IN FALL 1989
(ASSUMING UNALTERED NATURAL
GROUND WATER FLOW).
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SEYMOUR RECYCLING CORPORATION
FEASIBILITY STUDY
-------
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Cancer Risk level
1 x 1 0.5
Cancer Risk Level
1 x 1 0.4
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Municipal
Airport
FIGURE 4.3
PREDICTED DISTRIBUTION OF TETRACHLOROETHENE
IN FALL OF 1989 (ASSUMING UNALTERED NATURAL
GROUNDWATER FLOW).
SEYMOUR RECYCL.ING CORPORATION
FEASIBIL.ITY STUDY
-------
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Municipal
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SHALLOW AQUIFER
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FIGURE 4.5
PLUME STAB I LIZATION WELL AND RESULTING PLUME OF
1,2 DICHLOROETHANE PREDICTED FOR THE FALL OF 1989.
SEYMOUR RECYCI.ING CORPORATION
FEASIBII.ITY STUDY
-------
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PLUME STABILIZATION WELL AND RESULTING'
PLUME OF TETRACHLOROETHENE PREDICTED
FOR THE FALL OF 1989.
SEYMOUR RECYCL.ING CORPORATION
FEASIBIL.ITY STUDY
EPA WA 70-5L.01.0
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FIGURE A.17
1989 DISTRIBUTION OF VINYL CHLORIDE WITHOUT PLUME
STABILIZATION ASSUMING LOWEST REPORTED RETARDATION
SEYMOUR RECYCLING CORPORATION
FEASIBILITY STUDY ,
-------
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1989 DISTRIBUTION OF VINYL CHLORIDE WITH PLUME
STABILIZATION ASSUMING LOWEST REPORTED RETARDATION
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FEASIBIL.ITY STUOY
EPA WA 7().SL.01.0
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FEASIBILITY STUDY
EPA WA 7~5~01.0
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TIME VARIATION OF PEAK VINYL CHLORIDE CONCENTRATION
AND CONCENTRATION AT NEAREST RECEPTOR, SCHEMES 1 and 2
SEYMOUR RECYCLING CORPORATION
FEASIBILITY STUDY
EPA WA 70.5L01 ,0
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'riSK level is Ci~~roximately 11 years snorter unc1er SCheme 2 than scn~liIe 1.
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.tl1an schelit~' in rcc1ucil1~ ~eak conc~ntration over time of tetracnloro~tnene.
IS) cOIi1Dinil1~ SCII~Ii1e j with d fJlUlne staDi lization w~II, its eftectiveness
in reducin~ ~eaK cunc~ntration over tilile woullJ increase. ~Cllelile ~ witn a
fJlwne staDilization well is a ~art of the recOlillil~naed alternativ~. This
cUlliDiliation, howt::!vt:!r, was lIut mOl1eled aue to limitations in tile IIlodel ana an
att~flliJt to Kee~ tIle nWIIDer ot simulation runs at a reasonable nUIlIDer.
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Sli::jlltlj ri:::l.1uceIJ ti1~~rOxilllat~ly., jears) unOer SCl1ellle , in COllliJdrison tu
SCllellle 1. However, scllellle j reauces tne a-.juHer restoration time over SCllel11e
1 I>y aiJjJro;(ililatelj 7 years. A~ain, instdlliny a plume stabi lization well snoula
illcrease tne ettectiven~ss ot scnell1~ J. The ma~nituc1e of tnat increi:lse is not
Knuwn ...reci::>el) Dut rei1SunaDI,y ilia) D~ assumeu to De tne increll1entdl increase
ill eTTectiv~nt::!5s tll~ IJllJlue stdoilization well naa on SCherll~ 1. i
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~ase~ u~on the initial scr~~nin~ of ~rounuwdt~r trea~nent tecnnolo~ies, air strip-
~in~ and carbon d~sor~tion were r~tained tor turther evaluation. Tne FS deter-
.Iilin~a tlldt L)dSea u~on tll~ Wille vdri~t,y ot or::;dnics fJresent in the ~rounc1wdt~r,
ooth technolo~ies would b~ nee~ed to ade~uat~lj treat the water. The or~anics
in tile ~rounawat~r incluoe 1,1,1 trichloru~tlldne, tetracnluroethene, tricnluru-
etnerle, liI~tn,ylen~ cll10ride, toluen~, benzene, xjlenes, iJtlenols and acetone.
Metals IIdVe nut been detectea in the ~ruundwdter at si~rliticant concentration.
In adllition to «:!ir ~trifJfJill~ and carDon aasorfJtion, hlixea-Illedid f; Itration is
a I so necessar) tor cos t-ett~ct i v~ tr~dtment. Tne rni xed-meai a t i I ter wi II reillove
iron ~recifJiation an~ other suspenoed solias fJrior to the water Tlowin~ tnrou~n
tile Cc1rDun .2usortJtiun unlt. rillS ti Itrdtion wi II jJrE:vE:nt clu~~in;,j or tll~ cdrbon
wnicll woulu reauc~ 1tlS ett"ectiveness.
Tn~ purw nas d fJr~treatment jJrU~rdlil wl1;CI1 sets stdndards tor all()waLJI~ Uisci'IClr:Jes
to Ute sewer SjSt~hl. Th~ antlci...ate::l tlow ot tne jJlume stabilization well, aIJt->rox-
lmdtely 6U-d~ ~allolls per millute (~pm) or 1l~,2UU-l;a,4UU yallons jJer day, will not
fJose a /l,yuraulic loadin~ ~roblelll on tile PiJTW. The PuTW has a desi~n ca~acity ot
4.3 lIIi Ili()n ~allons I-ier daj (m~a) cwo tile curr~nt avera::je tlow is CI~proxilOatelj jo~
III~d. TfI~ hJIW lIas a ~OOd compliance rE::cora and is currently in comjJliance.
tS~CdUS~ of tile purw1s comfJlianc~ iJro~ram, the fJretr~atment fJro::lram, tne jJr~tr~dt=
ment of the \irounawatt:!r, dnd tile additional treatment at tnePuTw, aiscl1ar~e to
tile P0rW is ~rotective ot fJublic nealtn Clnd the environment.
..
An I~PUt::~ lJerrni t wou I d De necessarj in order to ai schi:1r~e ~roundwater to d near-
Dj creek. Tile discllar::jt:! lirnitdtions uT SUCII a jJennit, altnuu~n not known
fJreciselj, can De ex",ecteo to De very strict because tht:! receivin=, stream is an
inten~itt~nt creek. Tnererore no oi lution factor can De consiaered wnen settin~
oischar~e criteria. To IIleet these anticipated aischar~e re~\Jiretnents a oiolo~ical
tredtm~nt ~rocess may nave tu Oe adoea to the se4uence identitied aDove. Tne
dllaition ot Diolo~ical treatlnent would raise tne cost of this ojJtiun cOflsiueraDl,y
in reldtlon to discraar~e to trI~ ..,uTw. Anotl1er tactor tl1at makes an NPU£S
uiscnar::je less jJractical tor tne jJlume staoilization sjstern is the time that it may
taKe to ~et d ...ennit.
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Kt:!inJ~ctHm ut ~ruunuwat~r re\.juires a IJenllit trOll! the Indiana Ue~artrnent ot
t:.nvironll1ental Mana~ement. As with the NPIJE:) ~ermit aischar~e limitations, the
inJectiun limitatiuns dre riot ~recisely knuwn. However, tne lU£r<1 haS indicatea
tIIdt tney stron~ Iy oi scoura~e rei nJection, Out hav~ not commentea on data sub-
lilittea tu tnern containin~ ~xjJeCted eft'Juent 4\Jdlit.1' trom the air stri...jJin;:j,
IIlix~a-rneaia ti Iter, and carDon aesorption.
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air strilJ...in~, rnixea-rlledia Ti Itration, and carDon adsorjJtion, tnis aischar~e
and treat,Hent o..,tion is tne COllljJonent ot the recummended alternative in the
F~.
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Alternatives ill tl1e rllaS~cJ FCciSiDi IHy Stuay
tiased on tne C0St ana ttl~ er'tect i venl:!SS ot the jJl ume stabi Ii zati on we I I
'ana associated oischar::)e ana treatment procl:!sses, wnich were evaluated in
tll~ ~s dll:.1 sUIIII!1arizeu cll.)uVc, a jJhdSI:!U h:asibi lity stuaj (PFS) was f}erfor,l1ed
to eVciludtl::! wnether the jJlwlle s'taDilization systell1 snould be ilnlilementea as
soon cI~ jJuss1ble, wnetnl:!r rel.ll::!uicsl clctiun witn rt:!sjJect to ::jroundwater st10uia
,De oelajecJ until tne tinal rellll::!dy is selected and illljJlelllelltea, or wnl:!thl:!r no
actiun 1n rC';jdro to jroulluwater conr.alilillatiun is at-'jJrulJricite.
All evaluation ot tI1ese three altl:!rnatives follows.
~It~rnativ~ tvaluat;on
Tnl:! cllternatives under cunsloeration in tne jJnasea feasibilitj study wert:!:
1.) NO actiulI; ,.) ~ait until the tinal rt:!lIIeaial action is selected ana
lUi~lel1lentt:!a; ana 3.) lnstallatl0n Of a jJlume stabi lization sjstem.
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Tne no action alternative is not ajJ~ropriatl:! because of the existin~ threat
tu jJuDlic lIedltll, \'ielfarl:! ana tne environu1t:!nt trolll tne lIi';jn concl:!lItrcitions
of contclilli nants beneatn and mi ~rat i n~ wi tl1 the ~rounawclter trollt tne s i t~.
AOcJitiufldl jJutential tnreats to the ~ublic healtl1, welfare and tne environment
t:!xist as contaminated ~rounawater miyrates away from the site and affects a
lar:;jer arcd. 'Tn~ existill~ dna IJotential ~ublic hedlth ana environmental
tnreat:; are ~eti1iled in tne Remedial Investi~ation I{~port, (;Ilafjter Y-Enddn';jer-
Illent Assessment ot tne Nu Action Altt:!rndtivt:!. tjecause Of tne findin~s' ot
tlli s ellJan:jerillent assessment, tne araft teds i ui Ii t1 stUd) conteln~1 ates
eitller a~uifer restoration or tilume staoi lization as a IJart ot any tinal
reilledial action.
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'j'tlt:!re are nu IIlonetar,y costs associatea with the illliJlernentation of tne no action
alternative.
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Altl:!rflative Z, waitln~ until ttle final remeoial action is selected ano imple-
Inented dlnounts to no action in ttle short tenn. Uuriny tne estimated Z.:> year
fjeriou (S~rin~ l~dl to Fal I 1~~~) thdt it may take to select, taKe djJfoIrOl-'riate
enforcement action, ana il1JjJle:ment a final remeaial action, a fliiniulum of ajJfJrox-
ililate Ii j.UI x hJb cUDi c teet (a, ~bj,6uu ~a lions) ::IrouncJwater wi II t I ow beneatn
the site clno ..,otentiallj b~collie contaminated. The actual vo'lume at ~roundwater
tlldt will become contaminated is dependent ulJon the mODilitj of aifferent con-
taminants and tne actual increclse in tile j-dimensional extent at that jJartic-
ular contaminant. The main boay at ttle contaminant plume will advanCI:! 37~ feet
durin~ this Z.:>-yedr tJeriod accorain~ to cOllljJuter Iliodelin~ jJreuictions. The t!d\le
of the iJlume as aetinea bj the lxlO-6 cancer risK level will aavance ditferent
aistanct!s tor uiftercflt cUHlfJounas over z.~ years. For exalll~le, the ea\le Of the
vinYl cnlorial:! ~Iwlle COuld advance ~UU teet; the 1,' dichloroethane fJlume could
aavance 4:>1..1 teet; and the tetracnloroethane .,dulIIl:! could advance zuu teet. Ket'er,
DacK to tfle earlier fiyures tor ~raphic representation of the areal increase of
tile rt:!sfJectlve cOlltcllllincHit jJlullles. Alsu ~reviously discussed was ttlt! illcrt:!ast!u
ettl:!ctiveness of the various ':;jrounawater extraction schemes if the foIIUIiIi:! staDi'li-
za t i on we IllS ins ta 1 I eo.
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Munetary costs dssocidted witt! ttlis alternative are limited to !:Irounawater
lIIuni tori n~ costs tnat wou I a be necessary duri II~ trle interim jJeri oa. Hm'f'ever
tne installation and start-u~ costs of tne jJlume stabi lization system WOUld De
incurred aurin~ the tindl remt:uial action it U.S. tPAls recommended alternative
15. ult1nldtely imtJlemented.
A reasondDle dSSUlllfJtiul1 is thdt We costs Tur installation and start-ujJ ot the
I.ilume stdbilizatiun system. ::i3UU.(Juu. woula De necessary as a fJilot stuay or a
fJortion oT tne aesi~n tJllase of tne final remeaial actiun. Tnis alternative
lIIerely deldyS tne im~le,"entatioll ot ayuiter ana treatabilitj tests whicrl are in-
cluUt:!J 111 tnt: installatiun dllJ :)tart UtJ costs uf tilt: IJlullI~ st\Jui I ization Systt::I.I.
lnerefore. tllis cost was incluaed as a cost Under this alternative. In aaaition,
some ~rOUllal'f'ater Illoni tori 11~ waul d ue nt:!cessdry duri II~ Ule i nt~rvcni n::j ~. ~ ,y~dr
jJerioa. A minilnulII ot one rouna ot ~roundwdter samplin~ and ana'lysis every six
montlls i5 estimat~u. Tnis wuUld result in !> roundS ut' Illonitorin:;j Tor djJ~roxiillateli
tl'lt!lve wells at a COSt aJ.lIJroximately $~UU per sam~le. This all10unts to afJlJroxilliatel,y
~4d.UUU. Tnis cost. in d\Jaitioll tu tnt! instal latiun alld stdrt ujJ costs. total
~j4ti.UUU.
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lm...,lenelitation ut alternative j. tne 1J1ume staDi lization system wi II Hlinimize tne
.lIi ~rQt i un ot' cOlltclilli ndnts duwn:;jrcllli t!nt froltl the extract i 011 we 11 year IJeriOd assumed for tnis operaD1e unit. lUl.bYO,UUU ~allons of con-
taini ndtea ~roulldwater wi 11 De extracted. treated and ai sChar::jed to tn~ Seymour
wastewater rreatlilent tJ1 ant. Tni s systern i ncrease"s the eft'ect'i veness of any of the
~roundwdter extracti(Jn sCl1emes Dy reaucin~ the area (dllO volume) of' contaminated
:lrounawater. D,y reaucin~ tile lJeak concentration ot contaminants in the :lrounawater
anIJ by reaucin~ tne time neeaeo to restur~ tne dl.juifer. Tne PKPs consultant,
l:iera~l1ty dr [-liller. estimates that insta1lin~ the ~,dume staDilizatiun system win
reauce the time tor al.juirer clednu~ by several years. further, the area wnere
irlstltutiunal controls lildY be needed is reauceo. Institutional controls are a
cUllltJonent uf I:.PAls reCQlIiilenaea alternative iuentitiea in the FS.
Tne eXjJerience :lainea from implementation of this systeln woula be extremely useful
dna nel~ eXtJeaite ana retine tne r~~edial desi:ln of a tinal response action.
Tne ~Iulile stabilization well will also reauce. althou~ll Sli~ht'ly the vertical
~raaient tHat exists in the continin::j Idyer between the snal low and deeJ.l
al.juirers. Tnis would reauce contaminant miyratiun into the deep aquifer.
fhe J.llume stabilization system is cOlisistent with all final re.nedies for the
site with tne exce~tion ot no action. Key pieces of intorillation that wou'ld
be obtain~a are: a\.juiTer behavior under stress (fJUmiJln~). includin:;j pUllli"iill~ rates.
ana arawauwn. ana treatabilitj' results t.hat can be useO to maximize efficiency
of any tlnal extraction ana treatmt:nt SYStdll.
AS tJreviously statea. tne no action alternative is not acceptable and tneretore
tn~ drdft 1":> cunt~IiI~Ic1tes eitner a~uiT~r restoration or plume stabilizdtion as
d cO/iljJunent of dllY f'inal relrl€:ay. Any relllt:dial alternative selected will De re-
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I.:i~ra:;tlty & rw'li 11I:~r provided the estimate or the installation and start ulJ coSts.
t~A IJroviaeu tne estin~te of the U&M custs. '
The estimated costs ot tnis alternative are $jUU,UUU for installation ana start
u~ ot the iJ1UlII~ stabilizatiun systeill. vlJl::ration dnd mdintenance (U&M) costs
tur the s.ys tem arc est irllated at ~llJU,uuU lJt:r year or a tota 1 of $2~U,Uuu tor the
2.~ yedr ~t:!riul1 jJrior tu i,"pleIl1t:!ntatiorl uf the final remeaial action. TM
estilliateu tutal cost tur thi~ alt.ernutille is ~:>~u,uuu.
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TaDle 1 jJruvi.Jes a surnillar,y ot tht: a'lterrlative evaludtion.
rU,uuu - ~J4ti,UUU = ~~l~,u\JU). file real cost results from tne
ol-'erdtion dna IIlaintenance ot' tne treatruent system and additional monitorin::,
aSSoc1atea witrl ttle eTtluent anu tile purw. lnis action wi II minililize the
drea in wllich tne ~ul>lic could lJotential I) De eXjJosea to contaminants mi~ratin~
from the slte ana tile area ttlat coula re~uire institutional controls. Tllis wi 11
also reauce ~~ak concentrations of cont~ninants and may reduce the time and tne
cust ot the tindl remedy. In aUdition, tile information ~ainea l.Iurin':;l ilnjJle.nen-
tdtion of ttlis system will expedite ana allow o!Jtimization of tne aesi!:lfl Of any
:;1ruunawc1ter alternative selecteU as !Jart of tile tinal remea'y.
Thi s system is an effect ; v~ waj ot' address i n~ groundwater contalni nat i on caused
Dj anU mi~rc1tin~ froil! the SKC site.
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Tn~ IJIUllle sti1Di lizdtion system is consistent wltll the i~dtional Contin~encj Plan,
4U Cft< Part JUU.
Tn~ ",Iulile staoiliZation syst~ includes an extraction well, an oDservation w~11
ana a jJretreatment systelll ...rior to discnar~e to tne ~eymour Wastewater Treatment
Plant. Tne wells will De locat~d north of tne western ~ortion of tne site
l"'l~ure 2). I.:3rounawater flow in tne shallow aquiter is north-llortnwest frOIil the
site.
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Prior to tne installation
)~npl~s will De co I lected
rin':;l results wi I I ~rovioe
..,Ium~ staDi'lization well.
of the ",Iume stdDi lization aM 'observation wells,
froll! selected monitorin~ wel Is. Tllis set of monito-
aata on current ilater -Iua I i tj in the vi ci nity of the
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fhe ",Iwlle staDi lization well wi II L>e install~d by tIle cable tool .lIethod to a
de~tn of alJ~roximately 4~ Teet De'low the land surface (Fi~ure 3). Tne well will
De COtfll.deteC1 witn an ~ inch diameter cas111':;1 and screen. The oDservation well
wi II De dri I I ell in a silililar lRanner.
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tSotll wellS will De constructetl witn Dlacl< steel lJilJe; ti incn aiameter Tor We
IJlume staDililation well ana 0 inch diameter for tne observation well. '
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~ti1inleSS st~el scre~fls 1U feet in ,l~n~th wi 11 be installed
of tne ulJlJer d4uirer. Tile slot size of the screens wi I I be
the results ot sieve analyses ot cuttin~s t'rOlil tile lower 1U
a'juiter.
at the Dottom
dete rmi ned t rom
feet ot the upper
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I:.nvironm~ntal
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ALTtKI~A T 1 VI:. t:: VALUA r 1 uN
S UMlvtAi< Y l'iA T K 1 X
A It~rnat ive 1
I~O Act ion
Allows continueu
rni~ration Of
ndzarl1uus SlJb-
taliCes cQusin~
unacce~t~Dle nealth
riSK.
fJuo lie Hed I tll ri SK
exists for in~estion
all(J absoq.Jtion
of ~rouncJwater.
cancer risk
level in ~roundwater
rQrI~c:s f'ruill !X1Uo tu
lx1U-~. Uurdtion of
~otential eXfJUsure
is ~reater tndn
luu years for snallow
~roundwater.
t,;ontalllinat~d ~rouna-
water fJlume continues
to eXtJClna ana iIIay di s-
charye to surface
wester.
uncontrolled hazardOus
waste site does not
meet criteria
tor ~~KA and cannot
be deletea tran the
I~I'IL.
u
Alternative L
Wait Until Selection
of final KA
See discussion for
Alternative l.
Ke h:::ase is tor
snorter tJeri od
(~.~ years is dssullleu).
~ee discussion for
Alternative 1.
uurdtion of ~otentiesl
ex~osure reauced
wtlen fi na I rem~di al
action is iiTIl.Jlemented.
See discussion for
Alternative 1.
Uuration of ex~ansion
will end when final
relilt:dial action is
i mtJ 1 ehl~nted.
See discussion for
Alternativ~ 1. ~CRA
ana C~Rt,;LA reyuire-
ments may De met
wn~n tinal remeu;ation
is i in.., I ehl~nte:J'... :.'-:.{..':"~. .:'::.1>...; .
.' .. ,..:..~......._.~... '..
Alternative 3
Plume Stabilization
~ystem
Grounawatcr ~um~in~
wi II illinimize mi:;ra-
tion ot contaminant
IJlw.le f'dSt extraction
w~ll.
Limits t-/otential
eXjJosure to
~rounawater on-site
and a short distance
down~rauient. RisK
levels remain the same
Decause ttl~ source
is still t.Jre~ent.
uroundwater de~raoation
ana ~uo)ic health risK
lIIinimizea dOWn~ra
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LOCATION OF PLUME
ST ABLIZA TION AND OBSERVATION
WELLS
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IEVMOAE RECYCL ING CORPORATION
8EYMO"E. INbIAHA
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GENE9ALlZED WELL CONSTRUCTION D'AGRAM
FOR PROPOSED PLUME ST ASrt..tZA TtON WELL . T
SEYMOUR, INDIANA DR/}~f , .
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A ~ravel ~~CK wi I I b~ instal lea aroun~ tn~ well scre~ns to ~ ieetabove tne
tOfJ ot tll~ scr~en. Tne ~ravel wlil be folluw~IJ Uj £ teet or fine sand and ttlen
l t~et ut D~ntul1ite ~~II~ts. Tile Sanu fJrevt:!nts allY Dentonite from enterin~ tn~
screened zone. The bentonite ~revents mi~ratlon ot fluidS throu~h the annular
s~a"ce intu tne scr~en~t1 zone. Tne r~.lIainJer of the dnnular sjJace is filled
with a cement/bentonite ~rout.
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~oth wells will b~ cJevel0tJea Oy fJUIII",lll~ ana sur~in!,. uevelOfJment will taKe
dtJfJroxiln~tely two ddYs for ti1~ ..,Iume stabilizacion well. A ~ooa hydrdulic
connectiun witll tne d'iuiter IiIU::;t De estdullsrlelJ. in aauition, tile fJuIHt->in':j
ratt:! ut tn~ well wi II De aetermined durin~ the uevE:!lo~lnent jJerioa. The
ou::;ervatiun well wlll De aevelolJecJ for d ..,eriou of dlJfJroximately ~ flours.
lJ...on cOI1l~letiDn ot tne !-,lurne stabilization well and tne observation we I I, a
st~~ t~St an~ dn a~ulTer test wi I I oe tJerTOn"e~ on tne tJlume stdoilization
WI::! 1'1. -, tl~ ::;tef.i test wi II De~i n wi th a pU.iltJi n':;j rate of Ju Sa II uns ~er ml nute
l :;..,111), wi II i ncredse tu bU ~..1f11 ana wi II t:!ni1 at dU-~::> !:j",n1. I::acn ste~ wi II De
rUII Tor at I~dst two nours. Tne ~u,HtJin~ rates anti the tillle dllott~a to eacn
::; t~jJ Indy be cnall';letl auri n~ the test based u~on tt'le ddta Sjeneratetl.
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water levels aurin~ the ste~ test will be measurea at d~lJropridt~ intervals
su ~..,~CltlC cdtJa~ity valui:S fur tne stdoilization well can be estililated.
iIIdt~r levels wi II De Illcasurea in t.he observation wt:11 and s~v~ral well clusters
in tn\: vicinity uf tn~ ~Iume staoilization well.
TII~ a~uifer test will De run at a ~umjJin~ rate of ~U-~t> 9IJrn for a ~erioa of
not less th~n flve days. ~ased u!-'un the data ~eneratea aurin':j tne
test, tile fJUlllfJin\:l rate indY De incredsea and tne tilne jJerioa extenaed.
uurin~ tn~ d"iuiTer test, water levels wi 11 De measured in tne oDservation wel I
anu sev~ral Inonitorin':j wel Is at tr~4uent, slJecific time intervals over the
entire tcstin~ ~erioa. In tn~ rt:!lIIalnin~ l11onitorin~ wel Is, water levels wi II be
Ineasurea aai Ii.
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Water -.judlit.>' SdlllfJlin~ ana dnalises will be conl1ucted durin~ the al.juifer test.
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~I I wQt~r ~eneratea aurin~ tne ste~ ana a-.juifer tests wi I I pass tnrou':ltl tne
tJretreatment ~JsteHl bet'ore aiscndr~in~ tu tne sewer system wniCh wi II carri tne
water to tne ::>eJIOour Wastewater Treatment fJ1dnt.
Tne wdter wittldrawn trom the a4uiter by tne fJlUllle stabilization well wi II be
lJifJea to ttle ~retreatlnent sjst~m in the soutneast ~ortion of the trian~ular area,
JUSt nortn uf tIle Tenced tJortion of tne site.
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Tne IJretreatment systen. was devel o~ed ta"i n~ into account the Seymuur
Wdstcwater J'rt:!dtlllent Phnt ana tne East Fork OT trte Wnite I{iver, whicn is
the ulti/lldt~ receivin~ stredm. fJreventinSi a fJlant upset and IOeetin~ the
~Iant's fJr~treatment re4uirements were the IlIdJor concerns. The first IJre-
cdution to fJrevent a 1J1ant ulJset is to acclilflate tne jJlant with small vo.1U1ues
of contamindtea water trom tne site. The volume of wdter would be increasea
over a s~veral weeK ~crioa to buila ulJ a bacteria jJofJulation that can toler~te
dno Qe':lrdd~ tilt:! contamindnts of concern.
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Tne j,Jretrecttment Sjst€:!lll wi II consist of an air stri~fJer, a sana ti Iter, anu a
caruon ausor~tion unit.
Tne air strifJlJer wi II be tirst in tile pretreatment series. The air strilJper
will reillov~ a hl~h fJ~rcentd';je or volatile (Jr~anic COIII~ounds. Air is. torced
u~ward into a fJacKea towt!r counter curr~lIt to tne flow ot water. [hi~ cuunter
current flow of air increases tne removal efficiency. The amount ot air
emissions is not ex",ectel.1 to De IClr~e enou';jl' to re~uire ~11Ii:;sion controls.
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rhe sana fi Iter wi II reillove iron as it precifJitates from ttle extracted ~rouna-
wdt.::r. iron fJrt!cipitates out ot solution wnen the extracteo ':;Irounowater is
eXt-/osed to atiilosjJheric conditions (oxidizin!;j conaitions) in the ctir strifJIJer dna
the iron oxidizes dllu ",recipitdtes ctS an iron oxidt!. Th~ precifJitdte can clo~
the CctrbOn IJdrticles in tne Cdrbon adsorption unit tnerebj reducin~ the unitls
or~anic rewoval etti~iencj. Incredseu fre'luency ot carDon re~lacenlent wuulu
tIIen be necessary.
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[he carbon aeratin~ conaitions.
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After ~retrei1tment dt the site, the water will De dischctr~eo to an existin~
mannole at tne slte trorn wnict! the sewer syst8TI wi II carry the water to
tn~ ~eYlllour l'Iastewater Treatment P I ant. Th~ tJretreatment system descri bed
here wi II ci II ow tl1~ oi SChar~e rei.iui retnents of the Seymour Wastewater Treat-
ment Plc':lnt to De met.
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(,;olllJJliance with \Jther Environmental LdWS
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Tne ~ 1 ume stabi 'I i zat i on wi 11 De 0JJerated i n COIII~ I i anc~ wi tn a"11 a..,t-/I i cab I e
laws.
At tllis time the fol lowin~ environmental rel.juirement is eXt-/ected to apply.
- I-'retreatrnent rel.jui reUlents for di scnar~e to the ~ejmour
wastewater fredtment Plant.
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cm1t4IJNITY RELATIONS RESPONSIV~NESS c;Ut1MARY
for the Public Com~ent Period
PHASEn FEAS 1 R lUTY STIInV FOR GROIINr)l1ATER CONTA1~l NATION
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SEYMOUR RECYCLING CORPORATION
Seymour, Indiana
S~ptember 25, 1986
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Seymour Recycling Corporation Responsiveness Overview
The U.S. Environmental Protection Agency (U.S. EPA) has completed
a Phased Feasibility Study (PFS) to evaluate an interim remedy for ground
water contamination at the Seymour Recycling Corporation (SRC) Superfund
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site in Seymour, Indiana. The PFS was completed in August, 1985 under the
authority of the Comprehensive Environmental Response, Compensation and
Liability Act (CERCLA), 42 U.S.C. 9601 et ~., and in accordance with the
National Contingency Plan (NCP), 40 C.F.R. Part 300.
EPA recommended a system be implemented to stabilize
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the ground water contamination plume.
The public comment period to
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review the PFS was opened August 15, 1986 and closed September 8, 1986.
Notice of the Public Comment period was published in the local Seymour
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newspaper (Attachment 1). Because the completion of the final Feasibility
Study was scheduled for September 1, a public meeting for the
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PFS was unnecessary. Two written comments on the PFS were received during
the public comment period and the action is viewed as a positive step
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toward remedying the contamination problems at the site.
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The public will have an opportunity to comment on the document containing
EPA's recommended final remedial action. The final action as recommended
by EPA will incorporated the plume stabilization system.
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Background of the Phased Feasibility Study The remedial response activities
at the SRC site are being conducted under a case management order issued by
Judge Wm. E. Steckler of the Federal District Court, South District of Indiana.
In addition a "Stipulation and Order Regarding Meeting of Expert Consultants"
was entered into by the United States and the generator defendants in the
Spring of 1986. As a result of discussions held pursuant to the above stipulation,
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the plume stabilization concept was developed.
It was included and
evaluated in the final FS.
In order to expediate implementation of the plume
stabilization EPA initiated the PFS to prevent the continued spread of
groundwater contamination.
This system provides the following benefits:
the area of the shallow aquifer that may become contaminated is reduced,
the cost of the overall groundwater remedial action may be reduced,
the design of the final groundwater remedial action is expedited and
the effectiveness of all of the potential ground water extraction
schemes is increased.
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Community Invo1vment and Concerns
Community interest at the Seymour Recycling Corporation site dates back to 1976
when the site was reported by residents to the Indiana State Board of Health.
Community interest seems to have peaked in early 1980 when the state
court placed the site under receivership as a result of SRC failure to
abide by a 1978 agreement with the State of Indiana.
Residents became
aware of the situation and were concerned with the potential danger of
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soil and ground water contamination from hazardous organic chemicals.
The site covers about 14 acres in a predominately agricultural area about
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;;.:.:..: 4:'~' _~~~i.:;~'.ti;~~£L~i:j;~~~~~'::'~.;~:}::~3ii~':S~~:~i~:;;~~~:c:,~~~~:~-~~~i"_;- :~:.~.:: ~ ~,~,";.:~~'~.:~r):~~~,~~;}~.::t"~i ~\, .~~i'~,~'. "-,;~ ~~,~ ..t -.<':.: .~~.~i :. ~ ~~;~.:' : '. .:'~" ,._'~~- ~.
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1/2 mile south of the Snyde Acres subdivision. The main concern continued
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to be the health hazards associated with groundwater contamination.
In the early stages of EPA's invo1vment the community felt it had not
received adequate information about the health hazards. The overall image of
EPA in the Community was regarded as "poor" and was generally due
to a lack of communication.
The community continued to show interest
in the progress of EPA's studies.
A community relations program to address citizen's concerns is in
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place. It provides for information concerning site activities to be available
to the citizens. involved agencies. elected officials and the media in a
timely manner. Information on the scope. progress and findings of the
Remedial Investigation/ Feasibility Study (RI/FS) has been released
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through fact sheets reporting Superfund work and the settlement of monies.
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Repositories have been established at the Seymour City Hall. the Seymour
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Public Library and the Seymour Chamber of Commerce.
It provides interested
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parties the opportunity to review all site related documents.
The focus on the community concerns remains the possible health effects
from the contamination at the site and the need for communicating this infor-
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mation to the community.
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Interest and concerns of residents
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Two letters were received from the public that commented on the PFS and
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recommended alternative.
Both letters were in favor of implementing the
plume stabilization system.
Copies of the two public comment letters and
u.S. EPA's specific responses are attached (Attachment III).
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~TTACHMENT 1
PUBLIC COMM~I'!~ .PJ_R 100 NOTICE
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THE UNITEn STATES
ENVIRONMENTAL PROTECTION AGENCY
is accepting
PlmLIC COt1MENTS
on the proposed Plume Stabi1iZiition
for
SEYHOlm RECYCLING CORPORATION
Superfund Si te
System
\J.S. EPA invites public comments on the "mini Feasibility Sturly"
prepared for the proposed Plume Stabilization System.
Copies of the ReMedial Investigation and the "mini Feasibility
Study" are available for review at the Seymour Public library.
the Seymour City Hall ann the Seymour ChaMber of COl'1l'1erce.
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Comments on the proposed Plume Stabilization System must be received
by EPA no later than SEPTEM~ER 8. 1QR6.
OJestions about the findings of the Remerlia1 Investigation and
comments on the "mini Feasibility Study" for the Plume Stabilization
System may be addressed to:
ART GASIOR
Community Relations Coordinator
U.S.F.PA Region V
230 S. Dearborn St..
Chicago. 11. 60604
(312) RR6-6l2R
TOLL FREE - 1-800-621-R411 (9:00 - 4:30 Central Time)
U.S. EPA will conduct a public meeting ann another public comment
period on the full feasibility study after the study is released
in September. 1986.
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ATTACHMENT 2
lETTER FROM THE DEPARTMENT OF JUSTICE TO THE
OEFENJANTS PROVIJING NOTICE OF THE PUBLIC COM~ENT PERIOD
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at public repositories. In addition, copies will be sent to lead
liaison counsel for the generator defendants and to their consultants
Geraghty & Miller. Copies will also be available under the
Fr~edom of Information Act.
Thank you for your attention to this matter.
Sincerely,
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Assistan~e~:i~nal Counsel
U.S. Environmental Protection
Agency
Region V
Assistant Attorney General
Land and Natural Resources Division
By:
Eva Heffernan ~ttorney
Environmental Enforcement Section
Enclosure
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cc w/enclosure:
All Counsel of Record (Distribution List Attached)
Honorable William E. Steckl~r
Charles Goodloe
Anna Thode, EPA HQ
Art Gasior, EPA Region V, Office of Public Affairs
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ATrACHMENT
PUBLIC COM~ENT LETTERS ANn u.s.
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EPA' S RESPONSES
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8eJm08r."dlaU .m.
~SEYMOUR
CHAMBER of COMMERCE
Telephoae:
812.5%2.38111
TeleK: Z'71Z53
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August 26, 1986
Honorabl. Art Gasior
Community R.lations
U.S. EPA Rlgion V
230 S. Olarborn Str.tt
Chicago, Illinois 60604
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Our Art,
Encius:~ is a COPY 04 ~y l.tt.r to Valdas Ad~kus which will
strVI as our comm.nts on th. SRC .Phas.d. Flasibility Study.
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Thtr. ar. .tvtrat oth.r qUlstions that haut com. to my mind
sinc. writing th. l.tt.r, but I will sav. th.m 40r th. pub1 ic
m..tings to bl htld in S.pt.mb.r conc.rning th. R.m.dial
Invtstigation.
I havi writt.n Judg. Wil1iam E. St,ck1.r to g.t a
clari4ication on th. .Phas.d. Ftasibility Study vs. the Final
F.asibility Study. J hopi to h.ar 4rom both Judg. St.ckler and Mr.
Adamkus b,40r. th. pub1ic comm.nt plriod is ov.r.
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P. 0.80.312
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Telephone:
812.$%%.3681
Tele.: ZTIZS3
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CHAMBER of COMMERCE
August 19.1986
RECEIVED
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Honorable Vaidas V. AdamKus
Unitec States Environmental
Reg i or: 1...'
23C' S. Du"bo"n S~reet
Chicago, ]li inois 60604
Protection Agency
AU5 2 1 ,g86
U, s. rPb, REG'~~ 5
orn:, CF ki"I~I""~ "\i:..;,;,~.>j~':'TOR
Dear Mr. AdamKus,
1 am in receipt 0+ a CO~IY of the E.P.A."s .PHASED" Feasibilit/ Stud"- ~cr
Seymo~r Recfcl ing Co~poration, which your agency is allowing 21 days 'or pub!!~
comm~nt.
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Let me say of irst that I was !hocKed to reae the term .PHASEi)" irl ttH'
heading of the feasibll i~, study. ]t wa! our understanding that t~e E.P.~. h~~
made a co~~itment to Federal Judge Will iam E. Steckler that YOU wouid pre!!~t t:
him by Se~tember 1. 1966, a Feasib:1 ity Study to ciean up the sub:~~face at
S.R.C. At no time ha',)~ we heard the term uPHASECI" used in con.lurlc~ior! VJ:t~:
Feasibility Study. Tt,at ;~rase distor'ts everything we have beer ~i:':'T::se:: :,;. ':.f
E.P.A. for the past two years and, in our view, is not in keeoing wi:h t~~
mandate of Judge StecKler. ] plan to bring this issue to Judge StecKler's
at te n t i on .
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Let me say, secc,nd1:v, that the 14-page E.P.A. .PHASED" FBS!b,1:~y SL,"'.
report must be one of the shortest documents in the history of the E.P.A. Ycu~
agency has taken 1 iterally thousands of pages of history and test results and
reci.:ced them to this 14-page document. For tha.t we ar'e thar,\.:-fu!. e(ce~~ f,:,~ t~e
fact that the final product is not what was promised.
Of the three alternatives stated in your studY, the best alternative is
obviously number three, which calls for plume stabil ization and will assist i~
holding down the spreading ot the contaminated ground water.
Our questions to you are:
1 .
Why are you recommending this stop gap 2 1/2 year pl~me
stabilization measure instead of a total subsurface
clea,nup which wa,s prom;sed?
2.
What is the E.P.A. goin; to do over the next 2 1/2 years
that YOU have not done in the last 2 1/2 years?
3.
How many more delays do YOU expect after 2 1/2 years'
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]s there a scientif;c method available to achieve
a true subs~rface cleanup or is the ~overnment just
buying itself anothe~ 2 1/2 year delay and hoping fer a
method to be deveioced?
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Augus~ 19.1986
Page 2
M~. Adamkus. we a~e not trYing to be offensive or uncoo~erative. w~ wo~;d
just i ike tCI r,a."o? your agen.:y be hor,est wi th us. Jus~ te1l us the truH, ins~e-&.d
of ~d:lng de'a) after de jay which treates frustratic~ and distrus~.
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If plurr,e stablli:ation is the best and only method a~lai1at1e at t;-,IS tim~,
t~,er. we will accHt thfAt. but if the technolog>' is available fer a tc.~al clear,up
then we excect your agency to act resconsibly or tell us why yOU canno~.
Sincerely,
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c:: :} ~~ d 9 t? I~I ill i arT: E. She j; , e r
S~nator Richard Lugar
Se-"ator Dan Q~ay1e
Co~;~e~~man Lee Hamilton
Mayor Will iam Bailey
Dr. Joe 81 ad
Board o. Directors
En.'. r'or'lur,h.l Issues Cc.mm! Hee
Dugt? B:Jtler
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August 19, 1986
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Honorable Will i~ E. St.ckl.r,
United Stat.s District Court
204 U.S. Court Hous.
IndianapoJ is, Indiana 46204
Judge
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Enclosed is a COpy oi my J.tt.r to Valdas Adamkus in r.spons. to r.c.iving
the E.P.A.'s .PHASED. F.asibil ity Study for S.ymour R.cycl ing.
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our shocK at the E.P.A.'s latest delaying tactic.
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Are you as surpris.d as I that they t.rm.d this a .PHASED. F.asibil ity
Study and not a Final F.asibil ity Study?
I hop. my lltt.r finds YOU in good h.alth.
reSDonse.
I look for~ard to your
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SRA-14
08 SEP 1996
Mr. JOhn D. 80ttorff
Pres ident
Greater Seymour Ch~er of C~mnp.rce
224 Soutn Cnestnut Street
P.O. 801( 312
SeJmour, IndiAna 47274
Dear Mr. 8ottorff:
Think you for your interest in tMP. Se.~IJr Recyc11ng Corporation (SPr.)
Superfund site.
The phased feasibility study evaluates the imple.entatto" of I pl~p.
stabilization system. This phased or 8Mini. feasfbility study should
not be confused wi th t"e feas 1b 111 ty Study for tl'le cornprehef'ls ive
reneatal actton for the stte. The plume stabilization syste~ 15 only
one cona.,onent of the U.S. Env1ronr.tental Protection AyencY.5 (I'.S. EPA)
rec\Jll!tended rMedial act ion.
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You Ire correct in your understa~in9 that 1 feasibility stu~y wa~ rlUp.
to Federal Judge William E. Steckler, on September 1, 1986. ~ final
report was sent to him, 15 well IS yourself, on August 2Q, lqq~. As
you can see fr~ the substance of that report, 111 perttne~t site
tnfor~ation was taken into considerltion. ~It report contlins th~
recommended final c~prehensive r8Med1., action.
U.S. EPA .grees with you that the best .lternattve in the phased
feasibility study is n~er three: the plUMe stabilization 'yst~.
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Answers to your splciftc questions tol10w:
Quest ton 1:
U.s. EPA i5 rec~nding the plUMe stlbtliZltion system in order
to prevent further downgrld1ent .1gration of contaMinated grounn-
wlter fran the site. U.S. EPA recOllnends th-h syst" be i.,stl)le~
IS soon IS possible to allow tor adequate time to work throug"
the appropriAte administrative Ind .nforce~nt procedures ~~essary .
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to IMpl~ent a final comprehensive r~lal action. Two and on@-
half years 15 tne period estl~ated that It ~ay take to Initiate
the finll remedial ICtion.
Question 2:
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Over tne next 2 1/2 years, several actions must be taken. Pursuant
to an existing court order, U.S. EPA !lUst negot1lte witt! the
re~aining potenti."y responstble parti-.s ('~Ps) to dete~1n~ If
the PRPs are wllllny and capable of I~pl~enttng the selected
remedial ACtion. If a settle~nt cannot be reached, litigation
wi 11 be pursued or IIIOney from the Hazardous Stbstance Response Fund
(Superfund) ~ay be used. In addttion, a desfgn phase w~ich couJd
be cOMplicated and tl~e-consumin9 Must be conducted. When I multi-
million-dollar project Is being undertaken, It Is essential for a
cost-effective and technically sound Implementation that the
design phase provide precise and accurlte engineering pla"~ and
s~c i f1cat ions.
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Tne design pnasp. .ill Include the preparation, review and aprroval
of several doc~ents, as well as additional field work. After destgn
Is c~pleted, a qualified contractor will be necessary to i~pl~nt
the desl~n. Preparing btdding documents a~ reviewing contractor
proposals take addition~l tf~. IS does working out Icceptabl@
contract langu.~e with the selected bidder. Another f,ctor In t~e
2 1/2-year estlm.te fs the Superfund reauthorfZltion bill that Is
beiny discussed by Congress. The i.p,cts of I new law on response
actions at the SRC site may take ti~ to sort out.
Question 3:
u.s. EP~ does not expect additional delays Ifter the estfmated 2 l/?-
year period prior to Initiation of the reaed1al actfon. Delays
have occurred in the past and ..ay occur In the future. Howver, tJ.$.
EPA wtll do everything fn fts power to avert or .lnl.1ze any deJays.
Question 4:
There are technologies avafllble to achieve cleanup of the groundw.ter,
and there are several technologtes to Ichieve at lelst a parti.l
cleanup of the subsurface soi1. U.S. EPA's rec~ended alternatfve
includes groundwater extractfon, which wfl1 cleanup the saturated sub-
surface over I long pertod of tl... To address subsurflce s011 cle,"up,
U.S. EPA rec01l'tends vapor .tractton. This technology wl1l r81K've the
vohtt1e organic ccnpounds which are general1y the I'tOst "IObOe and
toxic organic c~pounds.
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. U.S. EPA be1 teves that 1t ts justtfied, both from I scf8ftttftc Inet
8nv1ron,enta1 perspectfve, to take advantage of Iny "~W tee~nologfes
that .11 bee OlIN! lutl able between now and the cO'Jpletton 0' the vapor
extraction process (Ipproxl~ate'y 1-5 y~ars). Therefore, prtor to tn-
stll11ny I Clp on the SRC stte, 1J.5. EP~ recCJ!V!ten:1s an eYI'uatton of
the lya111b1e technologies to det!~tne i' I cost-effective technology
ex1sts to lupp1~ent or replace the Clp rec~nded for the site.
Ayain. think you for your cOI'"ents, Ind if you hIVe Idditton.1 qU9stfons
feel free to contlct Art Gatsor, C~unit1 ~e'ltfons Coordinator It (312)
8S6-6128. or Daytd Favero, R~tll Project "Inager. at (312) R~~-414q.
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Stncerely yours,
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RegIonal Admlntstrltor
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Larry Kyte, 5C5-16
Art Gaisor, 5PA-14
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Irene Li t t 1 e
Caro1 Kavci~ (control copy)
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tn1' Ii in re~l) to lour letter ot Se~teaber ~. 1~d6 to Art 6is1~r re~arQtn~
tht .eter QUlltt) of .on1tor1ftv well no. lJl, potent1al effects of clttle
~rH;1I.111:1 '~M.r.11 nateJ ~"wmJwate,. Ina tnt pI U!IIe st.bl1tut1on .,roJec:t.
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Montturtn. well no. 131 ne.,. tne Sel~our site was I.st s..plea 1n June, 1~~.
,.0 vulat11e ~r.dn1' "mt.aa1rlonts. the tont18tn.nts of concern tn the »rounw-
~ter. .ere detect80 1n well no. 131. At ~sent there .r. n~ ~llns tu te~t
tllh ..'I 1n t~ nc.r tut~rt!. However, there are ~hrt' to \en w111 no~.
,1~A an~ D in late fall or winter. These wells Ire 1oc.cea ~~rox1..tel1
2uu hct 'uutrl-50"t~cUt of wel I no. 131. These t~"t result' .,11 .,rgy1ue ..5
.1tn tn1u,..~1on on tn~ ~ru.reSi ot ~ro~na..ter 'unt~1n.t1on .1»rit1n. bet.een
\n~ site Ind lour well.
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If tne ~I~ st4D1ItZ.t1on slst~ thlt EPA 1s r~aa8enG1hV 1s 1nst.lldO, con-
tcU8l1/1.t1uh atU""I'1
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ConUnuea ~ound..,ter IIOn1tor1nll h nKentr1 to ver1t1 our cant.' nent
.'~rlt10n ~red1'ttoni. If s1vn1f1clnt cont..1n.nt concentrltions
or1,,1n.t1n~ trOil! the Se/fiOur 11te relcn Zo"r well, WI!! cln then take an
~propr1lte Iction. '~snould not be f1nlnc11))1 re$~nS1DI. for Inz
8eed6td res~nie. .
1 hope tn1~ Ins~rs lour ~"e$ttons. Uon't hesitate to contlct Art bd1sor
or ~s~lt It ~PA" toll tree nu8Der 1~UO-6~1-d4Jl.
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Rewed1.1 ProJect "In~er
~M~LA ~turc...nt Sect1on, I11/1nd Un1t
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