I I . I I FILE COP Y (BCM] BCM Engineers Engineers, Planners , Sc ientists and Laboratory Services One Plymouth Meet ing • Plymouth Meeting, PA 19462 • (215) 825·3800 March 23, 1990 Ms. Lynne Fratus Rhode Island Superfund Sect ion U.S. Environmental Protect ion Agency Region 1 John F. Kennedy Federal Building (Mail Code HSV CAN3) Boston, Massachusettes 02203-2211 Subject: Western Sand and Gravel Site Groundwater Feasibility Study BCM Project No. 00-4907-27 Dear Ms. Fratus: On behalf of our client, Olin Corporation, please find enclosed for your review and approval the alternative screening results and 1ist of alter - natives for detailed review for the above subject site. Very truly yours, Roy C. Peterson, P. E. Project Manager /cs 05800 Enclosures cc: W. Angell, Rhode Island R. McCaleb, Olin S. Helbig , BCM ----------Int egrity and Qual ity si nce 1 890----------
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I
I . I I
FILE COP Y(BCM] BCM Engineers Engineers, Planners, Scientists and Laboratory Services
One Plymouth Meeting • Plymouth Meeting, PA 19462 • (215) 825·3800
March 23, 1990
Ms. Lynne Fratus Rhode Island Superfund Sect ion U.S. Environmental Protect ion AgencyRegion 1 John F. Kennedy Federal Building(Mail Code HSV CAN3)Boston, Massachusettes 02203-2211
Subject: Western Sand and Gravel Site Groundwater Feasibility StudyBCM Project No. 00-4907-27
Dear Ms. Fratus:
On behalf of our client, Olin Corporation, please find enclosed for yourreview and approval the alternative screening results and 1ist of alter natives for detailed review for the above subject site.
Very truly yours,
Roy C. Peterson, P. E. Project Manager
/cs 05800 Enclosures cc: W. Angell, Rhode Island
R. McCaleb, Olin S. Helbig, BCM
----------Integrity and Quality since 1890---------
I II I
cf
(E30V1) OLIN WESTERN SAND AND GRAVEL SITE
FEASIBILITY STUDY ALTERNATIVES FOR DETAILED ANALYSIS
1. No further action. groundwater monitoring.
2. Use restrictions for future residences. groundwater monitoring.
3. A 1 ternate water supp1y for future residences. groundwater monitoring.
4. Groundwater collection <extraction wells>. onsite treatment <solids removal/precipitaton. biological. stripping. carbon adsorption>. discharge to local surface water. groundwater monitoring. use restrictions/alternate water supply.
5. Groundwater collection <extraction wells>. onsite treatment (solids removal/precipitation. biological. stripping. carbon adsorption).. discharge to groundwater <injection wells>. groundwater monitoring. use restrictions/alternate water supply.
6. Groundwater collection <extraction wells>. ons1te treatment (solids removal/precipitation. biological. stripping. carbon adsorption>. discharge to local POTH. groundwater
·monitoring. use restrictions/alternate water supply.
7. Groundwater collection <extraction wells>. offsite treatment (local POTH), groundwater monitoring. use restrictions/alternative water supply.
/0315v
Alt
ernA
tive
ALTE
RNAT
IVE
1 -
No F
urth
er
Act
ion,
Gro
und.
ater
Mon
itor
ing
Gro
undw
ater
Mon
itor
ing
u OL
IN W
ESTE
RN S
AND
AND
GRAV
EL S
ITE
SCRE
ENIN
G OF
ALT
ERNA
TIVE
S
Eff
ecti
vene
ss
-R
esto
res
cont
alri
nate
d gr
ound
wat
er
-by
nat
ural
att
enu
atio
n o
ver
ti.e
. (S
ourc
e co
ntro
l re
mov
al
acti
ons
have
bee
n il
!lpl
et~e
nted
.)
Bas
ed o
n ac
tion
s ta
ken
to d
ate
(tre
atM
ent
prov
ided
to
exis
tin
g u
sers
) an
d ri
sk a
sses
s .. n
t in
fonm
atio
n,
ther
e is
no
exis
tin
g h~,
an
i.al,
or
envi
ron .
. nta
l ex
posu
re; ho~ver,
the
po
ten
tial
fo
r ex
posu
re t
o
futu
re g
roun
d.at
er u
sers
re.
ain
s.
-P
rovi
des long-te~ ef
fect
ive
ness
and
pe~ence an
d re
duce
s to
xic
ity
thr
ough
nA
tura
l at
ten
u.t
ion
.
I liP
let~entabi 1
i ty
Sin
ce n
o ac
tion
wou
ld
be
perf
onae
d th
is a
lter
nat
ive
is i
aplet~entable.
-Is
eff
ecti
ve
in .
anit
ori
ng
co
nta.
rinA
nt .a~nt
and
degr
AdA
tion.
-It
is
tech
nic
ally
fea
sib
le
-W
ells
ex
ist
that
cou
ld b
e us
ed
for
.an
ito
rin
g a
nd a
ddit
iona
l ~lls (i
f re
quir
ed)
coul
d be
co
nstr
ucte
d w
ithi
n sh
ort
ten
n.
to u
se e
xis
tin
g w
ells
or
cons
truc
t ne
w w
ells
(a
s ne
cess
ary)
fo
r gr
ound
wat
er
mon
itor
ing
un
til
natu
ral
atte
nu
atio
n r
emov
es
the
con
ta.i
nan
ts.
No a
d•i
nis
tr
ativ
e ap
prov
als
are
re
quir
ed t
o us
e ex
isti
ng
wel
ls,
cons
truc
t ne
w w
ells
or
perf
onn
long-te~ .a
nit
ori
ng
.
Cos
t
No c
ost
s in
volv
ed
for
no
furt
her
ac
tio
n
Est
illl
ilte
; M
oder
ate
wit
h gr
ound
w
ater
BJn
ito
rin
g
Mon
itor
ing
cost
s ar
e th
e sa
.e
for
all
al
tern
ativ
es
Est
illl
ilte
: M
oder
ate
Sta
te
Acc
epta
nce
Hay
be
ac
cept
able
Acc
epta
ble
1Hod
erat
e co
st r
ange
is
esti
.ate
d t
o b
e $1
00,0
00
to $
1,00
0,00
0
(480
6y)
mlO
::>:ii
H
:iiA
IJ.Y
HJ.
SIN
lHO
Y
'l:iiA
Yllf
> O
ml
ON
YS
N
H:ii
J.S
:iiM
Co
-..n
ity
A
ccep
tanc
e
Hay
be
acce
ptab
le
Acc
epta
ble
Sta
tus
Ret
aine
d piW
IJ!
DU
IIq
lUtw
noop
llf
l !O
~lll'lnb
1
&'fl
Ol
enp
11 ll
'&
OilO
U
lllf
l U
'llfl
J'811
0 "1
881
II
a81W
I WU~
ll(~
~I
:3:>
1lO
N
----
---
·\,
----
Alt
erna
tive
ALTE
RNAT
IVE
2 -
Use
-
Res
tric
tio
ns
for
futu
re
Res
iden
ces,
Grou~ter
Hon
itor
ing
(See
Alt
ern-
ativ
e 1
for
Gro
undw
.ter
Mon
itori
ng E
valu
atio
n)
- -G
eed
Res
tric
tio
ns
-
Zon
ing
Res
tric
tio
ns
-
Wel
l U
se A
dvis
orie
s -
R.est
rict
ion
s on
In
divi
dual
-
Sew
er D
ispo
sal
Sys
t ..
Pen~its
Acq
uisi
tion
of
Pro
pert
y -
or
Gro
undw
ater
Rig
hts
( )
OLIN
WES
TERN
SN
il N
llJ
GRAV
EL S
ITE
SCRE
ENIN
G O
f Al
TERN
ATIV
ES
Eff
ecti
vene
ss
I-,1
.-en
tab
ilit
y
Res
tore
s co
ntal
rina
ted
grou
ndw
ater
-
I-,l
llll
nta
ble
b~natural
atte
nuat
ion
over
ti-
..
( ur
ce c
ontr
ol
r181
dial
ac
tion
s ha
ve b
een
i-,1
-nte
d.)
B
ased
on
acti
ons
take
n to
dat
e (t
reat-
.nt
prov
ided
to
exis
tin
g u
sers
) an
d ri
sk a
sses
s-.n
t in
foru
tio
n,
ther
e is
no
exis
tin
g h
uu
n,
ani.
al,
or
envi
ron-
.nta
l ex
posu
re.
With
eff
ecti
ve
use
rest
rict
ion
s,
po
ten
tial
fu
ture
use
rs w
ould
be
pr
otec
ted
and
ACL
req
uir
-nts
fo
r ex
posu
re e
li•i
nat
ion
uy
be
-.t.
R
educ
es
tox
icit
y t
hrou
gh
natu
ral
atte
nu
atio
n.
Shou
ld b
e ef
fect
ive.
-
Oep
ends
on
coop
erat
ion
of
prop
erty
ow
ners
and
con
-ti
nued
fut
ure
i.,l
.-.n
tati
on
.
Shou
ld b
e ef
fect
ive.
-
Dep
ends
on
coop
erat
ion
of
propert~owners
and
loca
l zo
ning
ar
d.
Non
-enf
orce
able
; th
eref
ore
, -
Dep
ends
on.
coo
pera
tion
of
effe
ctiv
enes
s is
que
stio
nabl
e.
loca
l P
ubli
c H
ealt
h D
ept.
Shou
ld b
e ef
fect
ive
to r
est
rict
-D
epen
ds o
n co
oper
atio
n o
f th
ese
pen1
its
and
thus
pro
pert
y re
sid
enti
al
use;
ho
wev
er,
if
per
.itt
ing
age
ncy.
futu
re o
wne
rs d
o no
t ap
ply
for
pen~it,
wil
l no
t be
eff
ecti
ve.
Doe
s pr
ovid
e long-ten~ ef
fec-
-D
epen
ds o
n co
oper
atio
n o
f ti
vene
ss a
nd
per
un
ence
. pr
oper
ty o
wne
rs.
Sta
te
Cos
t A
ccep
tanc
e
Est
iute
: H
ay b
e H
oder
ate
acce
ptab
le
Dep
ends
on
Hay
be
require~~ents
of o
wne
rs
acce
ptab
le
Est
lute
: lo
w
Dep
ends
on
Hay
be
requiret~~~nts
acce
ptab
le
of
owne
rs
Est
i.at
e:
low
Est
iute
: H
ay b
e N
o11i
nal
acce
ptab
le
Cos
t
Est
iute
: H
ay b
e N
011i
nal
acce
ptab
le
Cos
t
Dep
ends
on
Hay
be
req
uir
..en
ts
acce
ptab
le
of
owne
rs
Est
iute
: lo
w t
o 11
0der
ate
llow
cos
t ra
nge
is e
sti.
ated
to
be
$10,
000
to $
100,
000
......_
OH0~3H 3AI~YH~SINJHOY
'l3A
YH
D O
NY
ON
YS NH3~S3M
)
Co
-..n
ity
A
ccep
tanc
.e S
tatu
s
Hay
be
Ret
aine
d ac
cept
able
Hay
be
acce
ptab
le
Hay
be
acce
ptab
le
Hay
be
acce
ptab
le
Hay
be
acce
ptab
le
Hay
be
acce
ptab
le
p8W
IJJ
DU
IIq
:a,u
ewno
op e
q:a, J
O ~t
:a.n
enb
eq:a,
0~ '
enp
81 ~
~ 'IO
I!J.O
U
'1'1!1.
uaq
:a, J
88
JO
sae1
11
e6aw
1 W
IIJ eq~ J
l =3
0UO
N
----
---
'!,
----
Alt
erna
tive
ALTE
RNAT
IVE
3 -
Alt
ern
ativ
e W
ater
Sup
ply
For
Fut
ure
Res
iden
ces,
G
roun
dwat
er
Mon
itor
ing
(See
Alt
erna
tive
1 f
or
Gro
und.
ater
Mon
itor
ing
Eva
luat
ion)
Wel
l H
ead
Tre
at..
nt
Ext
ensi
on o
f Ne
w Su
pply
Te.
pora
ry O
nsit
e Su
pply
OLIN
WES
TERN
SAN
D AN
D GR
AVEL
SIT
E SC
REEN
ING
OF A
LTER
NATI
VES
Eff
ecti
vene
ss
Impl~ntability
-R
esto
res
cont
alri
nate
d gr
ound
wat
er
-I~l~ntable
by n
atur
al
atte
nu
atio
n o
ver
ti.e
. (S
ourc
e co
ntro
l r.
-.d
ial
acti
on
s ha
ve b
een
impl~nted.)
Bas
ed o
n ac
tion
s ta
ken
to d
ate
(tre
at.e
nt
prov
ided
to
ex
isti
n9
use
rs)
and
RA
info
n.a
tio
n,
ther
e 1s
no
exis
tin
g
hu.a
n,
ani.
al,
or
envi
ron.
enta
l ex
posu
re.
-W
ith a
lter
nat
ive
wat
er s
uppl
y,
futu
re u
sers
wou
ld b
e pr
otec
ted
and
ACL requir~nts
for
expo
sure
eli
•i
nati
on .
. y b
e .. t.
-
Pro
vide
s lo
ng
-ten
. ef
fect
iven
ess
and
pen.
anen
ce.
-R
educ
es
tox
icit
y t
hrou
gh
natu
ral
atte
nu
atio
n.
-K
as b
een
prov
en t
o b
e ef
fect
ive
at
exis
tin
g r
esid
ence
s af
fect
ed
by c
onta
lrin
ant
plu .
..
-O
oes ..
et
ARAR
s fo
r dr
inki
ng
wat
er.
-Ca
n be
eff
ecti
ve
for
long
ten
a.
-Ca
n be
i~le-.nted
in a
sh
ort
te
na.
-Is
eff
ecti
ve
tech
nolo
gy f
or
.ate
r su
pply
. -
Doe
s .. et
ARAR
s fo
r dr
inki
ng
wat
er.
-Is
eff
ecti
ve
for
long
ten
a.
-Is
eff
ecti
ve
tech
nolo
gy f
or
.ate
r su
pply
. -
Doe
s ..
et
ARAR
s fo
r dr
inki
ng w
ater
. -
Is e
ffec
tiv
e fo
r lo
ng t
ena.
-
Can
be i~le-.nted
in s
ho
rt
tena
.
-Is
tec
hn
ical
ly f
easi
ble
. -
Dep
ends
on
coop
erat
ion
of
prop
erty
ow
ner.
-K
ay r
equi
re a
ppro
val
fro
• lo
cal
Pub
lic
Hea
lth
Dep
t.
-Is
tec
hn
ical
ly f
easi
ble
be
caus
e ne
w s
uppl
y sy
stem
de
sign
all
ows
for
user
ex
pans
ion.
-
Dep
ends
on
loca
l su
pply
sy
stem
ad
•in
istr
ativ
e ap
prov
al.
-Is
tec
hn
ical
ly f
easi
ble
.
. C
ost
Est
i .. t
e:
Mod
erat
e
Cos
t de
pen
dent
on
nullb
er o
f fu
ture
resi
de
nces
p
ote
nti
ally
af
fect
ed
Est
imat
e:
Low
Cos
t de
pen
dent
on
nullb
er o
f fu
ture
resi
de
nces
p
ote
nti
ally
af
fect
ed
Est
imat
e:
low
Cos
t de
pen
dent
on
nullb
er o
f fu
ture
resi
de
nces
p
ote
nti
ally
af
fect
ed
Est
imat
e:
low
Sta
te
Acc
epta
nce
Kay
be
acce
ptab
le
Acc
epta
ble
Kay
be
acce
ptab
le
Kay
be
acce
ptab
le
90
0'lO
S
OH0~3H 3AI~YH~SINIHOY
'l3A
YH
D O
NY
ON
YS NH3~S3M
Co
-..n
ity
A
ccep
tanc
e
) Sta
tus
Hay
be
Ret
aine
d ac
cept
able
Acc
epta
ble
Hay
be
acce
ptab
le
Kay
be
acce
ptab
le
:I
p8W
J ~uewno~p ~~~ ~o
~~~ 0~
enp
IJ ~
~ '80J~OU
IJ~~ U'l~~
J'18J
O
888J
IJ
88
'1W
J WJJ~ ~~~ ~ =
30U
ON
----
---
----
• A
lter
nati
ve
ALTE
RNAT
IVE
4 -
Gro
undw
ater
C
olle
ctio
n (E
xtra
ctio
n W
ells
), D
irec
t D
isch
arge
to
loc
al
Sur
face
Wat
er,
Gro
und.
ater
~nitoring,
Use
Res
tric
tio
ns/
A
lter
nate
Wat
er S
uppl
y (S
ee A
lter
nati
ves
1,
2,
and
3 E
valu
atio
ns)
Col
lect
ion
With
Ext
ract
ion
Wel
ls
Dis
char
ge t
o lo
cal
Sur
face
W
ater
L)
OLIN
WES
TERN
SAN
D AN
D GR
AVEL
SIT
E SC
REEN
ING
OF A
LTER
NATI
VES
Eff
ecti
vene
ss
Impl~ntability
Cos
t
-R
esto
res
cont
a.in
ated
gro
undw
ater
-
Impl~ntable.
by p~ing an
d di
scha
rgin
g to
lo
cal
surf
ace
.ate
r, t
here
by
Est
illi
lte:
M
oder
ate
redu
cing
ti8
f fr
a.e
for
rest
ora
tio
n.
-P
rovi
des
long
-ten
n ef
fect
ive
ness
and
pen
nane
nce.
-
Red
uces
to
xic
ity
in
gro
undw
ater
.
-Is
eff
ecti
ve
in re~ving
cont
aain
ants
fro
• gr
ound
. -
Can
be i
.pl-
nte
d w
ithi
n sh
ort
ti~
fraa
e.
-N
ot e
xpec
ted
to ~et st
ate
disc
harg
e AR
ARs
wit
hout
treat~nt.
-Is
tec
hn
ical
ly f
easi
ble
. E
stil
lilt
e:
-D
epen
ds o
n co
oper
atio
n of
M
oder
ate
prop
erty
ow
ners
whe
re w
ells
to
be
site
d.
-Is
tec
hn
ical
ly f
easi
ble
. E
sti.
ate:
-
Wou
ld
requ
ire
stat
e ap
prov
al.
low
Sta
te
Acc
epta
nce
Hay
be
acce
ptab
le
Acc
epta
ble
Hay
be
acce
ptab
le
1 Sig
nifi
canc
e of
ti.
e r
educ
tion
to
be e
valu
ated
in
det
aile
d a
nal
ysi
s.
90
010
8
QH
O:)
SH
S
AI.
L Y
'H.L
SIN
JWC
IY
'lSA
Y'H
f>
QN
Y
QN
YS
N
HS
.LS
SM
Con
nuni
ty
Acc
epta
nce CJ
Sta
tus
Hay
be
Rej
ecte
d ac
cept
able
Acc
epta
ble
Hay
be
acce
ptab
le
pewn~
DuJe
q :a
,uew
noop
eq:a
, ~o
.<:a,u
'Bnb
eq:a.
o:a.
enp
8[ :a
.1 •eo
1:a.ou
8J
lf:a. U
'Blf:a
. J'88
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88J
8J
e6'8W
J WJ
I~ e
q:a. ~
I :3
~1.1
0N
----
---
----
u OL
IN W
ESTE
RN S
AND
AND
GRAV
EL
SITE
SC
REEN
ING
OF A
LTER
NATI
VES
Alt
erna
tIve
E
ffec
tive
ness
Il
lpl-
nta
bil
ity
ALTE
RNAT
IVE
5 -Ground~ter C
ol-
-P
rovi
des
acti
ve
rest
ora
tio
n o
f -
I~~p
le.e
ntab
le.
lect
ion
(E
xtra
ctio
n W
ells
),
cont
a.in
ated
ground~ter an
d O
nsi t
e T
reat
.en
t (S
ol id
s tr
eat.
ent
pri
or
to d
isch
arge
, R
..o
val
/Pre
cip
itat
ion
, th
ereb
y re
duci
ng t
illl
! fo
r B
iolo
gica
l, A
ir S
trip
-re
sto
rati
on
and
lll
!eti
ng d
isch
arge
pi
ng,
Car
bon
Ads
orpt
ion)
, cri
teri
a.
Tre
at..
nt
tech
nolo
gies
O
isch
arge
to
Loc
al
Sur
face
ar
e ef
fect
ive
for
r..o
val
of
wat
er, Ground~ter ft
oni-
spec
ific
con
ta.i
nant
s an
d u
y
tori
ng
, U
se R
estr
icti
on
s/
have
to
be
ca.b
ined
to
.. e
t A
lter
nate
wat
er S
uppl
y di
scha
rge
cri
teri
a.
(see
Alt
erna
tive
s 1,
-
Red
uces
to
xic
ity
in
ground~ter.
2, 3
and
4 E
valu
atio
ns)
-P
rovi
des
lon
g-t
en.
effe
ctiv
e-
Sol
id R
e.ov
al/P
reci
pita
tion
Bio
logi
cal
Tre
at-.
nt
Air
Str
ippi
ng
Car
bon
Ads
orpt
ion
ness
and
per
unen
ce.
-Is
eff
ecti
ve
for
re.o
val
of
.eta
l co
nta.
inan
ts o
r su
spen
ded
soli
ds.
-
Doe
s no
t re
mov
e v
ola
tile
or
seei
-vo
lati
le c
onta
.rin
ants
. -
Can
be c
onst
ruct
ed a
nd e
ffec
tiv
e in
sh
ort
-ten
a ti
..
peri
od.
-N
ot e
ffec
tiv
e fo
r re
.ova
l of
v
ola
tile
and
see
i-v
ola
tile
co
nta
.in
ants
.
-Is
eff
ecti
ve
for
re.o
val
of
vo
lati
le c
on
ta.i
nan
ts.
-Ca
n be
con
stru
cted
and
eff
ecti
ve
in s
ho
rt t
en.
ti-.
per
iod.
-Is
eff
ecti
ve
for
reno
val
of
vo
lati
le a
nd
seei
-vo
lati
le
con
ta.i
nan
ts.
-C
an b
e co
nstr
ucte
d an
d ef
fect
ive.
1Hig
h co
st r
ange
is
est
iute
d t
o be
$1,
000,
000
to $
5,00
0,00
0
-Is
tec
hn
ical
ly f
easi
ble
. -
R..o
ved
soli
ds
disp
osal
.ay
be
aff
ecte
d by
lan
d ba
n.
-N
ot
tech
nic
ally
fea
sib
le
to c
onst
ruct
fo
r th
is
app
lica
tio
n.
-Is
tec
hn
ical
ly f
easi
ble
. -
Shou
ld l
ll!et
air
e•i
ssio
n
ARAR
s w
itho
ut c
on
tro
ls.
-H
ay b
e te
chn
ical
ly f
easi
ble
de
pend
ing
on
infl
uen
t co
nta.
inan
t co
ncen
trat
ions
. -
Wou
ld
requ
ire
off
site
di
spos
al
or
rege
nera
tion
of
car
bon.
Cos
t
Est
imte
: H
igh
1
Sta
te
Acc
epta
nce
Acc
epta
ble
Est
imat
e:
Acc
epta
ble
Hig
h
Cos
ts n
ot
Acc
epta
ble
calc
ulat
ed
beca
use
not
cons
ider
ed
i~~plelll!ntable
Est
imat
e:
Acc
epta
ble
Hig
h
Est
imat
e:
Acc
epta
ble
Hig
h
OH
O:>
:!IH
-:!
IAI.
tYH
.tS
INJH
OV
'l:
!IA
YH
D aw
aw
s m
l:!l.t
S:!I
.M
Co~a~nity
Acc
epta
nce
) Sta
tus
Hay
be
Ret
aine
d ac
cept
able
Acc
epta
ble
Acc
epta
ble
Hay
be
acce
ptab
le
Acc
epta
ble
pawn~ ou
1aq
~uawnoop a
~~ ~o ~~nvnb
a~~ o~
anp
81 ~
I •a
o1~o
u
81~~ uv~~ JU
JO 8
8aJ
81
a8vw
1 wn~
a~~
~I =
30U
ON
----
---
----
{ ,_
OLIN
WES
TERN
SN
il A
ND G
RAVE
L SI
TE
SCRE
ENIN
G OF
ALT
ERNA
TIVE
S
Alt
ern
ativ
e E
ffec
tive
ness
I!
llpl
e.en
tabn
Hy
ALTE
RNAT
IVE
6 -Groun~ter C
ol-
-P
rovi
des
acti
ve
rest
ora
tio
n o
f -
I!llp
l ...
nta
ble
. le
ctio
n (
Ext
ract
ion
Wel
ls),
co
ntaa
inat
ed g
roun
dNat
er a
nd
Ons
ite
Tre
at.e
nt,
Ois
char
ge
trea
t.en
t p
rio
r to
dis
char
ge,
to G
roun
dwat
er
(In
ject
ion
th
ereb
y re
duci
ng t
i ..
for
Wel
ls),
Gro
und.
ater
~ni-
rest
ora
tio
n a
nd 8
eeti
ng d
isch
arge
to
ring
, U
se R
estr
icti
on
s/
cri
teri
a.
Tre
at..
nt
tech
nolo
gies
A
lter
nat
ive
Wat
er S
uppl
y ar
e ef
fect
ive
for
re.o
val
of
(see
Alt
ern
ativ
es 1
, 2,
sp
ecif
ic c
onta
lrin
ants
and
.ay
3,
4,
and
5)
have
to
be c
o.bi
ned
to .
.. t
disc
harg
e cri
teri
a.
Oischar~e
to I
nje
ctio
n
Wel
ls
-R
educ
es
tox
icit
y i
n
grou
ndw
ater
. -
Pro
vide
s lo
ng-t
ena
effe
ctiv
ene
ss a
nd p
enna
nenc
e.
Is e
ffec
tiv
e ..
thod
fo
r di
scha
rg
ing
trea
ted
wat
er,
how
ever
sub
su
rfac
e co
ndit
ions
.ay
not
ass
i•il
ate
en
tire
flo
w f
ro•
extr
acti
on
and
tr
eat .. n
t sy
sten
. -
Kay
be
effe
ctiv
e .e
tho
d f
or
flus
hin9
con
tani
nant
s to
ex
trac
tto
n w
ells
. -
Kay
be
effe
ctiv
e ..
thod
fo
r re
duci
ng r
esto
rati
on
ti .
..
Hay
be
tech
nic
ally
fea
sib
le
for
par
tial
fl
ow f
ro•
treat
~~en
t sy
ste•
. -
Oep
ends
on
coop
erat
ion
of
prop
erty
ow
ners
whe
re d
is
char
ge t
o oc
cur.
-
Wou
ld
requ
ire
state
app
rova
l.
Cos
t
Est
iute
: H
igh
Est
i.at
e:
~derate
Sta
te
Acc
epta
nce
Kay
be
acce
ptab
le
Kay
be
acce
ptab
le
miO
::>:!I
H
:!IA
IJ.Y
HJ.
SIN
IHa
Y
'I:!I
AY
HD
a
NY
aN
YS
.i
jH~J
.S:!
IM
Con
.mH
y A
ccep
tanc
e S
tatu
s
Kay
be
Ret
aine
d ac
cept
able
Kay
be
acce
ptab
le
p8W
J tu
ewno
op e
qt ~o
llft
Ot
tnp
II t
l '80
ftOU
ll
lft
U1tlf
t J1
t8JO
888J
II
a8vw
1 wu~
eq~ ~ =
301l
ON
-----~-
\1.
----
Alt
ern
ativ
e
ALTE
RNAT
IVE
7 -
Gro
undw
ater
-
Col
lect
ion
(Ext
ract
ion
Wel
ls),
Ons
ite
Tre
at-t
nt
Dis
char
ge t
o a
loca
l PO
TW,
Gro
undw
ater
~nitoring,
Use
R
estr
icti
on
s/A
lter
nat
e W
ater
Su
pply
(se
e A
lter
nat
ives
1,
2,
3,
4 an
d 5)
- -D
isch
arge
to
an
Off
site
-
POTW
-
(_)
OLIN
WES
TERN
SAN
D AN
D GR
AVEL
SIT
E SC
REEN
ING
Of
ALTE
RNAT
IVES
Eff
ecti
vene
ss
Pro
vide
s ac
tiv
e re
sto
rati
on
of
-co
nta.
inat
ed groun~ter an
d tr
eat-
tnt
pri
or
to d
isch
arge
, th
ereb
y re
duci
ng t
i ..
for
rest
ora
tio
n a
nd .
. eti
ng
dis
char
ge
cri
teri
a.
Tre
at-t
nt
tech
nolo
gies
ar
e ef
fect
ive
for
r..o
val
of
spec
ific
con
talr
inan
ts a
nd .
. Y
have
to
be
cOtll
bi n
ed
to •
et
disc
harg
e cri
teri
a.
Red
uces
to
xic
ity
in
gr
ound
wat
er.
Pro
vide
s lo
ng
-te,
.. e
ffec
tiv
e-ne
ss a
nd
per.
ance
.
Is e
ffec
tiv
e ..
thod
fo
r d
is-
-ch
argi
ng t
reat
ed w
ater
; ho
wev
er,
near
est
POTW
is
4.5
•ile
s aw
ay
and
disc
harg
e to
co
llec
tio
n
-sy
st .. i
s sa.
dis
tan
ce.
-W
ould
re
quir
e ne
w p
ipel
ine
or
truc
king
of
was
tew
ater
. ·
Sta
te
llll
pl-
nta
bil
ity
C
ost
Acc
epta
nce
I~~pl-ntable.
Esti~~ate:
Hay
be
Hig
h ac
cept
able
Is t
ech
nic
ally
fea
sib
le t
o Esti~~ate:
Hay
be
cons
truc
t ne
w p
ipel
ine.
H
igh
acce
ptab
le
Wou
ld
requ
ire
appr
oval
fr
o.
POTW
au
tho
rity
and
st
ate
. D
isch
arge
li•
its (
for
flow
an
d ch
arac
teri
stic
s) w
ould
be
set
by
POTW
au
tho
rity
an
d st
ate.
GliO
:X!IH
:!
1/U
.LY
H.L
SIN
JHQ
V
'l:!I
AY
Hf>
aw
aw
s N
H.:i
i.LS
:!IM
~
Co
-..n
ity
A
ccep
tanc
e S
tatu
s
May
be
Ret
aine
d ac
cept
able
Hay
be
acce
ptab
le
PIWIJ~
DU
IIQ
~uewnoop e
q~ ~o
,t:m
vnb
llf~
0~ 1 en
p 81
~~
'IOI~OU
81lf
~ U1
Jlf~
J1
JIIO
88
11
81
a81J
WI WJI~ l
lf~
~I =
3:lllO
N
----
---
' - \, ----
Alh
rnat
ive
ALTE
RNAT
IVE
8 -
Gro
und-
.ter
-
Col
lect
ion
(Ext
riiiC
tion
Wel
ls),
Off
site
Tre
at.e
nt
(loc
al P
OTW
), G
roun
d-.t
er
lton
itor
lng,
U
se R
estr
ic-
tio
ns/
Alt
ern
ate
Wat
er
Supp
ly (
see
Alt
erna
tive
s -
1, 2
, 3
, 4
and
7)
-O
ffsi
te T
reat
.en
t at
POTW
- -
u OL
IN W
ESTE
RN S
AND
AND
GRAV
EL S
ITE
SCRE
ENIN
G OF
ALT
ERNA
TIVE
S
Eff
ecti
vene
ss
Pro
vide
s ac
tiv
e re
sto
rati
on
of
-co
nta.
inat
ed g
roun
dwat
er a
nd
off
site
tre
atll
ent,
th
ereb
y re
duci
ng t
i ..
for
rest
ora
tio
n
and
prov
idin
g fo
r ef
fect
ive
trea
t.en
t.
Red
uces
to
xic
ity
in
gr
ound
-.te
r.
Pro
vide
s lo
ng-t
erw
eff
ecti
ve-
ness
and
per
wan
ence
.
Hay
be
effe
ctiv
e ..
thod
fo
r -
treat.
.nt;
how
ever
, ne
ares
t -
POTW
fs
4.5
•ile
s aw
ay a
nd
disc
harg
e to
co
llec
tio
n s
yste
8 -
is s
a..
dis
tan
ce.
Wou
ld
requ
ire
new
pip
elin
e o
r tr
ucki
ng o
f w
aste
wat
er.
__ .O
S
Sta
te
I~~ple~~entability
Cos
t A
ccep
tanc
e
I~~p
le~~
enta
ble.
E
stiu
te:
Kay
be
Hig
h ac
cept
able
Is t
echn
ical
ly f
easi
ble
. E
stia
ate:
K
ay b
e W
ould
re
quir
e ap
prov
al
fro
• H
igh
acce
ptab
le
POTW
au
tho
rity
and
sta
te.
Dis
char
ge l
imit
s (f
or
flow
an
d ch
arac
teri
stic
s) w
ould
be
set
by
POTW
au
tho
rity
an
d st
ate.
aliO
::>:;n
l ~AI.tYH.tSINJHOY
'I~AYHf>
a
w a
ws
ml:a
:.ts:
a:M
Co
-..n
ity
A
ccep
tanc
e S
tatu
s
Kay
be
Ret
aine
d ac
cept
able
Hay
be
acce
ptab
le
pewu~ D
uteq
~uewnoop ~
~~ ~o
.(~uvnb
~~~
0~' e
np I
I ~~ '
IO!~
OU
11~~ uv~~ JV
eto
8881
11
e8vw
1 WU~ ~~~ ~
I :3
:>U
ON
----
----
;
----
Alt
ern
ativ
e
ALTE
RNAT
IVE
9 -
Gro
und_
.ter
-
Col
lect
ion
(Ext
ract
ion
Wel
ls),
O
ffsi
te T
reat
-~nt
(Pri
vat
e fa
cil
ity
),
Gro
und .
. ter
Mon
itor
ing,
U
se R
estr
icti
on
s/
Alt
erna
te W
ater
Sup
ply
-(s
ee A
lter
nat
ives
1,
2, 3
, -
4 an
d 7)
Off
site
Tre
at-t
nt
at
-P
riv
ate
facil
ity
u OL
IN W
ESTE
RN S
AND
AND
GRAV
EL S
ITE
SCRE
ENIN
G O
f AL
TERN
ATIV
ES
Eff
ecti
vene
ss
I~lementability
Pro
vide
s ac
tiv
e re
sto
rati
on
of
-N
ot
feas
ible
. co
ntaa
i nat
ed g
roun
d .. t
er
and
off
site
tre
at-
tnt,
the
reby
re
duci
ng ti~ fo
r re
sto
rati
on
an
d pr
ovid
ing
for
effe
ctiv
e tr
eat•
nt.
R
educ
es
tox
icit
y i
n grou~ter
. P
rovi
des
lon
g-t
en.
effe
ctiv
e-ne
ss a
nd per~~anence.
The
clo
sest
facil
ity
id
enti
fied
-
Beca
use
of t
he h
igh
flow
s th
at c
ould
tre
at t
he g
roun
dwat
er
and
larg
e d
ista
nce
to
the
fr
o.
this
sit
e i
s lo
cate
d ou
tsid
e cl
ose
st a
vai
lab
le p
riva
te
Bos
ton,
M
assa
chus
etts
. fa
cil
ity
, th
is a
lter
nat
ive
is n
ot
cons
ider
ed t
ech-
nic
ally
fea
sibl
e.
State
Co
st
Acc
epta
nce
Est
iNte
: 1 H
ay b
e Ve
ry H
igh
acce
ptab
le
Est
i11a
te:
Hay
be
Ver
y H
igh
acce
ptab
le
lver
y hi
gh c
ost
is
esti
mat
ed t
o b
e ov
er $
5,00
0,00
0.
90
010
8
OH
0::>
3H
3A
IJ.Y
HJ.
SIN
IKO
V
'l3A
YH
f>
ON
V
ON
VS
N
H3
J.S
3M
{
Co
-..n
ity
Ac
cept
ance
S
tatu
s
Hay
be
Rej
ecte
d ac
cept
able
Hay
be
acce
ptab
le
p1W
J ~u1wn:»op li
t~ 10
":J
uwnu
li
t~ O
t lO
p IJ
~~
"IOI
~OU
lilt
~ U'llt~ J
'lll:»
881
1 81
18
'1WI
WJII
llt
t II
:3:
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N
----
---
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----
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