Phase I initial site investigation and tier classification : 50 Tufts Street, Somerville, MA / submitted to: UniFirst Corporation ; prepared by: GEI Consultants

2006·45.6 MB·English

by  GEI Consultants.

^OJfEfjVjLLE PUBLIC LIBRARY
3
155 00628 0148
Geotechnical
Environmental and
Water Resources
Engineering
DEP RTNs 3-23246,3-24358, and 3-24376
Phase I Initial Site Investigation
and Tier Classification
50 Tufts Street, Somerville, MA
Submitted to:
UniFirst Corporation
68 Jonspin Road
Wilmington, MA 01887
Prepared by:
GEI Consultants, Inc.
1021 Main Street
Winchester, MA 01890
781-721-4000
G&
I
June 16,2006
Project No. 04516-0
RECEIVED
JUN 1 6 2006
DEP
NORTHEAST REGIONAL OFFICE
REF
354.
353
GEI

Phase I Initial Site Investigation and Tier Classification
50 Tufts Street, Somerville, MA
June 16, 2006
Table of Contents
Executive Summary_|y
1. Introduction__1
1.1 Purpose 1
1.2 Scope 1
1.3 Submittals 1
1.4 Conceptual Site Model 2
2. General Disposal Site Information [310 CMR 40.0483(1)(a.b)1_4
2.1 Property Location and Description 4
2.2 Property Vicinity 4
2.3 Natural Resource Areas and Surrounding Land Use 5
2.4 Utilities 6
2.5 Disposal Site Map 6
3. Disposal Site History [310 CMR 40.0483(1 Uc)1_7
3.1 Ownership and Operation History of the Property 7
3.2 Release History 8
3.2.1 Release Tracking Number 3-23246 8
3.2.2 Release Tracking Number 3-24376 9
3.2.3 Release Tracking Number 3-24358 9
3.2.4 Historic Releases 9
3.3 ' Property Oil and/or Hazardous Material Use and Storage History 10
3.4 Waste Management History 11
3.5 Environmental Permits and Compliance History 11
3.6 Potentially Responsible Parties 11
4. Site Hydrogeology Characteristics [310 CMR 40.0483(1)(d)1_13
4.1 Previous Subsurface Investigations 13
4.1.1 Subsurface Investigations by Sanborn Head & Associates (2002) 13
4.1.2 Subsurface Investigations by Geolnsight (2004) 14
4.2 Site Topography 14
4.3 Geologic Setting 14
4.4 Hydrogeologic Setting 15
5. Evaluation for Immediate Response Actions [310 CMR 40.0483(1 Uq)1 16
5.1 Imminent Hazard Evaluation 16
5.1.1 Historic Imminent Hazard Evaluation (RTN 3-24358) 16
5.1.2 Current Imminent Hazard Evaluation 16
5.2 50 Tufts Street, Inc (RTN 3-24376) 17
GEI Consultants, Inc. 1
4««!«».>£f .tMHtv wJUT T6
MOir A«i.iC
f ■>>1^
* %* .I ft '^J
aftnwtnpO to st4#T
rmmf.
b'
jit’^:nfl»*.»’cS*K2Ma
I'l ■ -..V . r-' aqo-’f*
ibrJ^m4t^
r-;-. •»b .i?4 ‘jfiH lfli*/»yj '30'/)
i
r
Y* WfOtV
I d«U tr’jJ vr i*'; ’;iKmu2 J ns^^A '^ysu^'f. i
6
-jm at-
t'':;'^- '■ ;%,. qoiV. U!-^ .‘cto-i ■' '
t
V'"
w v-*
T
«
••««««rr
• •'. t-
.it
V
c-
01 34uJ t*nrWT4;^o^)wv
ri '^' viXTvjj'i,' |V Ali ^
If ^ b^xfl rjtj t • J
fft:ifl Utstfiualiv^ifA
fi ■vi-' ,■ ■■ iSf/i hS*! >i. vJUt fhaio^'c*/^
_/ *'-■* 1
mVi; "'U
Lt^
ci ■'JiviOhjift*'’'. • ijj - vi'?
(SO?'C) '.-ajB ... ■ iu^ij . **-1 f.i.^ .
1-1 < • <jd C
j:A*
f-: . ■ . Yi'ijui?^>ror -y/J^
M
rrf
? r
r
<■ t I
n
. i ' <i%«/<*.7i/5v3 fnittii, j !no/fM*rvi^T - ^ '
■*■■ /. < ' ' ■
'5^ r'*T^) iwi£r*i!il ohoVi'H C.l;^
notKKifijfSi tm.ufl trxfiiiriai) >try>vjO S l.f
tO'U: < i-lTJOirfri .to»tf2 Ot S.4
?•
1 •
't "' 'M^ii —n
,ni J iW
vli^
n
Phase I Initial Site Investigation and Tier Classification
50 Tufts Street, Somerville, MA
June 16, 2006
5.3 Somerville Two, LLC (RTN 3-24376) 17
5.4 UniFirst (RTNs 3-23246, 3-24358, and 3-24376) 19
6. Nature and Extent of Contamination [310 CMR 40.0483(1 Ue)1_21
^
6.1 Nature of Contamination 21
6.1.1 Soil 21
6.1.2 Groundwater 21
6.2 Extent of Contamination 22
6.2.1 Soil Contamination 22
6.2.2 Groundwater Contamination 22
6.3 Source of Contamination 23
7. Migration Pathways and Exposure Potential 1310 CMR 40.0483(1)(f)1_24
7.1 Migration Pathways 24
7.2 Exposure Potential 24
8. Numerical Ranking System Scoresheet_26
9. Conceptual Phase II Scope of Work _27
10. Findings and Conclusions 1310 CMR 40.0483(1 )(h)1_28
11. Limitations_29
References__ 30
Tables
1. Property Ownership and Use
2. Summary of Aboveground and Underground Storage Tanks
3. Summary of Materials and Containers Observed on November 18, 2004
4. Summary of Materials and Containers Removed on August-October 2005
5. Soil Boring and Monitoring Well Summary
6. Chemical Testing Results - Indoor Air Sample from 50 Tufts Street
7. Chemical Testing Results - Indoor Air Samples from Residential Properties
8. Minimum and Maximum Detected Concentrations in Indoor Air Samples from
Residential Properties
9. Chemical Testing Results - Soil Samples
10. Minimum and Maximum Detected Concentrations in Soil Samples
11. Chemical Testing Results - Groundwater Samples
12. Minimum and Maximum Detected Concentrations in Groundwater Samples
GEI Consultants, Inc. 11
^*M*e:>0.#<N<IP »-IT IMK • -i
AM «4llir>«liao.? i*#^r
%*
Si
c -r ^
3
■ ■■., — -i i -.fc, ,S*.<(!*d
(<'^ et i-f T») 3JJ o,-T >I'^<T».' <f. Lt
«'<>. C l*<a .kJff *•-£ .A*:rc.e air r,T) r-fH>.4J -,•
TC ^ ) V f .d *
thic I.Id
i:
ti is'sjwt;?: '<nC ."-I d
rr * fW/l'-/ UlCAtifO^lo ^3^ /7 ^
' ■ s ff ^4^^1411^-J Jifhi I j!.sj ’ %
Sfi aai#iv?jiwnWJi r <i Athfuioti} tS.d i! ^
rU?jHtfim>iilf:o''^‘io-jon'dc: • ^-d
»
e*
<r»^V- -SiS “'(X ^.^Ji
. ’ t
ii^rw-r iio//~5: :J ST
*' l»
p.'^yad^j^, Sis^assy^^
.'■ 3 ■
li¬ ra!UlJt£i3j!il9*3as6L4
• r
ii
sa.
iltei «!>nfeal2S'
_»fip3te?3'-rtJ .rf
s
0(
^'«a!sa
?
i '1?
V
• / . b cs \(j|a^ .J
l i cifw^T 'G bns jfK ^;;5dv«4/vW\iAi^3U/#? X
■*: ‘t
o0£ fP, { no 2!5 h ‘a to - 4 t
.i> »
to^>-*c.w>'A 310 njxtfnlrfo") hri^ lo f*
“/ ^ r^i/g ibW ^fihpuu$. ' h ts :! iCi .i
K
V- .did V k'i?. xni4^ 5»f(jr.’i^iJ^ )t 1 >.ni ♦ . ; n»T lc.’ji/s«:34p .d
ifj
Iiihffe>ojav5i it?irf! jj/ •</ ibni - >ff:rt*>^ ljMirt«iti> .C ^
1
/
nftorti sii'it'XBh liA i0(»bm mI no3 U#f:^ »l:-G brni uriimafiM .8
.. btit{i>l)b9lf 5J
lioli; v;tijj»o)l yiit^^T koic^iO .9
«>k>a;ji< fM iS]Lt:o<Uai.f^^ '»/rwtnixjftM b<i« iradpifniM
^iy»!re.:d TjSi •/ .'Vf(tii>- ii )^>i *jni/»T It5ic^’rK>. I I i
o ix^Miyd niL*mlxMt^ tm inunitniM .£!
Phase I Initial Site Investigation and Tier Classification
50 Tufts Street, Somerville, MA
June 16, 2006
Figures
1. Site Location Map
2. Site Plan
3. Groundwater Elevation Contours
Appendices
A. DEP Transmittal Forms, NRS Scoresheet, and Tier I Permit Application
B. Public Notice Letters and Public Notice
C. MassGIS Map
D. Historic Sanborn Maps and City of Somerville Atlas Maps
E. Fire Department Records
F. Documentation of Materials and Containers Removed from the Property August-
October 2005
G. Boring and Monitoring Well Logs
H. Indoor Air Laboratory Data Reports, Screening Data, and Inventory Logs
I. Soil and Groundwater Laboratory Data Reports
N:\04516\Final\04516\Reports\Phl_TC_Rpt.doc
GEI Consultants, Inc. Ill
4 >
jn-fP^TIHO i*m#«^ ^.-iv* ♦ M»rf|
Air' >C^a«&2 iMPifir .^^.7 M I
JO ' > %
«ra*gf^
t
g
Qt^. J 7wri' (finiiTiSfiflll ^ iQ «|^ " ^
1*1'^ na;ft»J »<mH
M
oOtSH^fc// >
.
8<jiii“^, ii^vA t>i(a r-'A ^
s mmx. t );> ,3
f i •*■
Avsji A vM^urrT mod fcc^v'Oius^ i^wamoO ’ m • o .i .3
S9<kJ ^n'.L^nU hnr .Ktc^J $
, ^^V/*
■-«
♦
• ^
' ■"•>“'*. 3^ 3
'T'
^ *
■•-» ...’S)
■ A '"' ‘!' '“j '
... .t ■ - 'j.
»r iL« .. '- ''* - .
■* •Sr »'
■ ••■ •'1
'.■**V
'
''3^
,» -
> '
A»
' ,*i^
iv I i
.r
t
*il ».nitfls .