environmental consultants, inc.i i i i i i i i i i i i i i i i i i .i '....
TRANSCRIPT
I I I I I I I I I I I I I I I I I I .I
'. '--'-
11111111111111111111111
SDMS DoclD 23795
HOCOMONCO POND SITE WESTBOROUGH, MASSACHUSETTS
REMEDIAL INVESTIGATION REPORT
EXHIBITS
S1.1perlund Records~ SITE: fJvcomooco . Yoo . BREAK: 3.b OTHER: '), 31 q S'
Environmental Consultants, Inc.
. . . ~
William W. Beck, Jr., P.G. Project Manager
TRC Project No. 2513-NSl-20 ·
September 1985 ·. ·
800 Connecticut Boulevard . . .::~ ....
.. ,;..
I I
II
I
I . .··
I ~ I
II
I
I
I
SS•I6 •
.. )'
' .... '
:..------:--, /' l / .
' .... ·' \
TP-2.0 a./
•,i
'• , I
/ '
' i I ' ' /, ;·
. I I .l_ I
. "' I '' - \ _......___//."'II "!>,-z. • \ I . . ... 1/ I .·
· /__......--~ I I I
' I' ''
'• ' " ' '' .. '
' / .. . (/f( . / ·&-""'I fJ;
' /~~~~~. --"!>\ I. I . ' // ' .. , ,,,,,. c < '\~// I I \ \ \
\ \ \
'-.. ........
\ \ \
......__ '
' . ·, '
\
-·
" ' .': . . ·. '·•
,• /I /I
/. ,( ';, ,). /.' .
_/' -·---. )
I
.. '
'
'
. '•
---''·--··---,------'-----'----'---------'------+--------------'-~------
X . ,,,
SS-14
·/, 0 -..-/ TP-6
'2.1: . ' ' . '. , ' ,"'. ·. , .. TP-3.
. 0 TP-8 , '/
BX 9 I ·; I
I .I I I
~ TP-9 ·
'1' •.• '
' \ ' • BX-11 ' .,. '
\ '' I', •' \' , .. ..
' \ TP-14
-----'·
,\ '
I
HOCOMONCO
WATER ELEV. 276.6'±
\ \ \ \ \
!--+--RIGHT OF WAY (TYPICAL) \
\ \
0J:;;--~--- SECTION LINE
. I . /.
/
/ /
' / __ ../ I. ~--, I __ -¢ I
( . ! ....... ) -
SEE EXHIBIT 5 ·
I I
I I
I
I ,POND •I '
I '
I' X
I I I I I I II
I I II I
I I I II
II I I
I
---I •
. ,.
,·.,
<
II;
BX-5 • •
I
1:
I L /,. II
I ' i • I,
SS-2. .,
' I
"
-~-
.. '·''
<
' '
· 800 Connecticut Boulevard
\\' . '
' . T~c
. ' · . Environmental ' · · l ~ C Consultants. Inc.
E.nt Hartford. Connect! cut 061 OB 12031 289-ll631
HOCOMONCO POND SITE WESTBOROUGH · . MASS.
EXHIBIT I
Fl EL D TESTING LOCATIONS
I ----· ·-.
LEGEND
-300--
=====ts7,=:=;;;=
0
0
-----==--==
e MW·ID
• MW·IS
ELEVATION IN FEET
STORM DRAIN
CATCH BASIN·
MANHOLE
HYDRANT
STREET' RIGHT OF WAY
GRAVEL ROAD
· DEEP MONITORING WELL
SHALLOW MONITORING WELL
EXPLORATORY BORING
TEST PIT
< •
• BX-3
S TP·3
• SS-10
LJ SURFACE SOIL SAMPLE
HYDROGEOLOGIC SECTION LINES
'
:· I'
' ... -..
....
..
SCALE IN FEET
50 2.5 0 50
I' I .I
. '"'
''•. "•"
'
' ·''·
' I ·I
' '
'' ' '
. ' .. ,,
' ' '
' . ' 1.'•
'I·•. ,
' ' '
I ,I
i .. ss-1. ' r----------'------.------------------~ ;r DATE' MARCH 1985 PROJECT NO. 2513- N 81
.. I'
•
.
'
II I
MOr-----------~--~--------------------------------------------------------------~------~------------f,~--------------------------------------------------------------------------------------------~340 .I
'I
' •
330~----------------~~l-1 ------~------------------------'----------------------~----------------------------------------------------------------------------------------------------~'~·--------------~----------~------------------------------------------~------------~330 II
I
i
320 l----~----~~c~--~~~~--------------------------------------------------------------------------------------------~'; ____________________________________________________________________________________________________ ~320 i i ': '
I 1~1~ ~~"'r !
310 ~--~,-------~t-----~------------~~------------~----------~--_;tl~~~~ ~------~~~Uil~----------------------~----------------------------~~--------------------------------------------------------------------------------------------------------------------------~310 ~f-FILL ~t-!k_ I ~- I
SAND · I '-.____ ------ 1' r-- EXISTING GROUND I-I-SILT, I '-FILl '-. ___./ \\ I
~----='-=--G~R~~~~~E~L_l~t==·~S~I.LT~,~~~====~~~~==~====~==~==~~~~~~~,J,======rir~====~==~==~------------~--------------~~~--~~----~l~--~~~=-~~~------~--~------------------~--------------~~--------------~----------------------------------l SAND ~L ': 300 300 i~ TOPSOIL ' r- "--._ ; J_____ ~-----........_
' ' ~= -........_,,;---,.' - /~ ........._"--------........_ . SAND ---t- = _ ___.-/ "- ~
o~ I --------;'L-------~--~----~-+-P~--------------~' __ _;~~~----+-~--~~~~=--------~·--------------------,t----------~-~--~~~--~------------------------------~ ~~~~-t-r~----------t-------------~~-----r~--~2.1S .. U.
' I ~
~~ r '···. ' , - · SAND GRAVEL I ~"' :;J
; ; ~ ~ "-r--"' . ~ ~ , I ~ " " ~ ~ , , v-;--...~ "'-ToPSOIL~-=:;:=~::y:--( U
I -------~------1' -----------+~.§~~r-..-h\P=~~crr:f·~28111---------z2sc81rf--l-.-+-+ ( \ ·281 i ~Lb n ~ ~::~ 282-~ ,.~"'1--1--" I§ I 280 280 1- 'I \I~= I) 279 LOV' \ ) r- ' I~V -?79 280- @I
Cu. I"' '-':>- -?7q ' ~ , I ~ 1' ~ ~ -278 I~ .' I~ ,I/!~ ;I ~ E'= , SAND GRAVEL---1- ~ 1-1--- SAND SAND v .. -.~~ ~ ~ , ' f= GRAVEL r -
270 ~-----------~·~'--------~~-----~------------------+-+--~~--------------------------------~--~----:~· --------------------------------------~t-t-------------l-1-------~----------t-t-----i2/,~v ,I 'I CLAY I "f---SAND I SAND GRAVEL--+ ' SILT, SAND
I ------------~1·--~-----~~----~---------~·~---4-f---~·--------~·------------~~~ --------------------------------~~--------1f-~==~~---~~~·~~~===1~--l2so =~ ' I f- -~ o-f---SILT, SAND '- GRAVEL
SILT, SAND t;:: i GRAVEL -----t;1 ~I 250~---------------------,1----------------~~--~---------------------------i-i------+-+-----------------------------------------------------~ ,!-,, --------------------------------------------------------~-------------F.~----------------------------------------~---==~---~~~r-- j-------250
------ --- ---------- (' r----- 240 r::
------240 r-------·--., ----~-'---___:___:_____:_~, -----"--------tt--------------~----------------1--1-----,-t.:i==~sSiliLL:TT~, SSAANNOO _______________________________________ ~i-----,-----------------------------------------=-~-~-=---::-=---::=:-:=~~"'-----:--- _•·. • ·--:-- :;:
-· TILL---- -• :;::· --------- :.;
;:;
------------------- .. -----1230
TILL-----~
I --
-.·· -:.•. :=;
< ·-::. :-·:: :::::
:-: .. ·-:
220 1-------------!._1-. -----+-t---,----------.-/-./7 .•••.•• ·•··•
210 l------,---,---,---·---:-,:,r-------j--+----:-------;T7"1~'--L/_/_/_--'---_· ~ _...... \:===-T-IL-L--------------------' -----------------------------~· _;r,;I-------------_.-----::___..,::___.-_B_E_DR-O-t_K=/'==.--=--tl'/i--MI~---j210 !' ' ' /" / ...... •·•••• " . .• ___.--,, .,... ,,:·:.·: ::::,: -:= / ::::.:: - --------- ! :[f ~~,-
/ BEDROCK =-~/-----M'Sl <'!--BEDROCK - - - -- - - -;- - - -- - __ (':: /' ~ro:O~--------------~: -_--------~rt----/-/~/--_,_,--_,_,.--_,_,.~./~_,_,-'---·------~----~~---------------------------------------+'----~----------~--~--==--=-~~~~~~==~----B-E-D~~K~~~~~-~~-i~-~·~·-··~~/~-------------------------------~200
/ """
i. =~=~r~ ~/~----------------------------------------------------------------------------------~-----------------------------------------------------------------------------------------------------------------------j 190t--------------------:-, -------------·- :) , r -:'T' • 190 '
~ ~
18oL ___________________________________ -t~====~~oa~---------------------------------------------------------------------------------------------:------------------------------------------------------------------------'-----------------------------------~~8o I BEDROCK tx
! !
17011-----~---r--------~--------~------------------------------------------------------------------------------------------------------------------~----------~----~170 '" ' -/ HYDROGEOLOGIC SECTION A-A
160~--------------~--------------------------------------------------~----------------------------------------------------------------------------------------------------------------------------jl60 ' '
1001------------~' -------------------~'---:----------------------------,--~---------------------------------~--,--------------------~150 i.
,' I
·,,
I' I.
·? I
I ----------------+----~--------------~------------------------------------------~~----------------~----------------------~-----------------------------------------------------------------~140 1401- !,
I I .I I .'1 1
-0~--~; _________ ~l __________________________ ~--------------------------------------------------~! ----------------~--------------------------------------------------~--------------~130 13 ~ r
'
120 L----------~----------------------------~------~------------------------------------------------~·li ____________________________________________________________ ~--------------------------~lro ,,.
.
r '
1,1
:\
I [_ J· ', I
'I I
'
I I
II
i '
.
, .. ~---
// ,..,. "·•··-..... ~ ... .-.'.\, ' --.. -
800 Connectkut Boulevard ' East Hartford, Connecticut 06108 1203) 289-8631
POND SITE MASS.
HOCOMONCO WESTBOROUGH ,
EXHIBIT '2
A-A HYDROGEOLOGIC
[I TILL
~ BEDROCK
LEGEND
I I WELL SCREEN
-:~GROUND WATER ELEVATION DATA 2;;m
SECTIONS
SCALE • 1":50' HORIZ. I": 10 I VERT.
DATE' MARCH 1985 PROJECT NO. 2513- N 81
,1
V . .
I
I .
I
.
1 I
.
' a. .... ~ ' -~-
' ;:; EXISTING GROUND -~ ____________ _j _________ -~~·~·---------------------~-~------------i~.~------~~·~----------~~~~~Jr-------------------------=::~~f1~~~::~::~~~~--~-----l~~r---_-_~"~"-D_,G_R_Av_EL-----------l30 ; 310
i ' ---- 1--+--SILT,SAND,GRAVEL ~1-SAND, GRAVEL---+
·: TOP~nll
\ ---c '-- ~o--j-----:cS"IIILTl ,SAND
'------ BOULDER .
SILT, SAND,GRAVEL --4--- SILT, SAND SILT, SAND ---1-
SILT ~.~ - -- ----- ----I~ LT,SAND,GRAVEL
:__... ~-ui-BEDROCK
285 f-u- . ~~--- . :. -- - -
: ::"" f-Orllr~--~--S~I~~'~S-AN_D_-_-_-_-_-_-_-~'--~----------------~-------~------~~-~---~-~-------------~--~-------------------------~280 ' -----~ I _-
F= ' : --~ : ~ I' F '/ · 07n ~o~----~'---------~----------+~~--------------------------------------------------------~---~~/~~/~1.'_------------------------------------------------~----------------------------------------~uo
SILT:, SAND----t- _.-1 /
I. ~ I
I --~-------~·--------·--~~----------------------------------------------------------~r-"~/~-------------+'i _______________________________________________________________________________________________________ ~:260 ~~ /, :
/ ... ..
0~----------~:-------++-------------------------------~~/~/-------------~-----;-----------------------------------------------------------------------= 25 . // i
~ / . ~ //
240~---------------------------~~---------------------------------~/~-----------------------------------------,----------------------------------------------------------------------------~-----------------------j:Mo / '
/ = /
I ---~--------~c~L~A~Y,~S~Icr~,~s~AN~D~===t~--~~~~~-------------~~/~-----------------------------------------------------------------------------------------------------------------------------------------------------------l230 230 ~ ·, 1------- /
,.. / ··:::· / :.:::· .. ,... /
:L-~__..:::../~ _______________ .:__' -------------------------122c ~2~2vo~----------TTiLILLL ===== ) ./
: / =··.:· /
210~----~--------~;----------~:~:~/~-------------_--------------------------~------------------------------------.~.·---------------------------------------------------------------------------------------------------·--1210 BEDROCK --·------m ,I
·. ' HYDROGEOLOGIC SECTION B-B _______________ j:, ________ . ____ ~·~-------------·-•_ ·----------~----------~~----~-------------~~-r-1~~~------~~~· ------~~-~---~--~-~~----------------------~~w 320r- .... '
'\ r
L----~~~~--~----~~~~--~~~~~~----~--~-------~~~--~----~--------------~310 ;: Jl ~ r-- EXISTING GROUND _ '..__ .. 310 1 ~ ::;I::; . ----- SILT, SAND, v · ..
' ~ "' ~~- f-,..., '" __ JL-------~-. CLAY ,SAND: GRAVEL--l-- '
/-'-.;'l.-----------300~-------~·:_~~:~f=6L=1~fi=~----------------------_---------6DillJITER~=======*f-~l~-+-------------------~~-----l~~K~E~TT~L=E~P~O~ND~-------------------------~300
SILT, SAND 1=: -----J-.t-. '' .
FURNACE SLAG---~~~::oj CLAY,SILT,SAND t-
290 r-----------EBEJEDJFRWOC~K~======= '-..,'-...,_
""-- 280 I M I M I
'-...,_ " ~:~ H ~ ) ~~---------~---~------~~---~---------------------------~~~ ~""-
""-SILT, SAND ------f-.
~, ___ \.._ --- ----. -'-,--, -'-,--
o-f--- SAND PEBBLES l~ao
.
SILT, SAND ,GRAVEL.---+ ORG. MATERIAL , SAND
-
I ---------------~-----------------------------------"'--~~,~--------------------------------------~----------~~----------------------------------------~~-------------1:t-1~~~~-=~=---------------------------l27o 270f- ", ' '-" ~-- SAND , GRAVEL
-I--SAND
'-...,_ '-...,_
L--------------~--------~------------------------------~~"----------~------_j~~~~~=-----~~----------------------------------------------------------------------------------------~260 260 '-...,_ ""-- - - - - t= ',
~ ""-!' .•
- - - ----t
""" ""-- .,. ....
240(--____________ _1; ___________________________________________________ ~_~ _ _:,., ",--------- l __ ·-----------------------------------------------------------------------------~240 I "-.._
""--~
I
'-....
•j:i ., ·.;
·.;
:: :
~------------------~----------------------------~----------------------------------------.--------j230
li·
'
'I I
'I I .
l I I
'·,. ' ·' ~ , ;; , r
POND SITE MASS.
HOCOMONCO WESTBOROUGH I
EXHIBIT 3 •
8-B 8 .C-C HYDROGEOLOGIC SECTIONS
t:lj TILL
§lll1 BEDROCK
LEGEND
I I WELL SCREEN
·~~m . ·, ~:m. GROUND WATER ELEV~TION DATA
'·· . -- . .
'
SCALE• 1"=50' HORIZ. I"= 10' VERT.
I ,.,
I ' I
·I':.
:1. I > 1 :
I
I I
\
' \.
\
' ' ' '
290
.I . ' ---------1 I
.. __ ..... ·-·-.... \ '.'
I '
' "!l\Q -----~~- . --- ' .
' \, '
~--··'~ '
" // I· " " " t'
300
310
.
' '
.
'I'
I , . .
!.i.
X
HOCOMONCO
WATER ELEV. 276.6'±
POND
.····
i I
/ I I
I
I I I
I
I
I I
I
\ \ \
I .
I \ I
\ \ \
I
\ j ~
>
I I I II II II II 11 I 11 I
I II
\1 )
I
1.-\
T~ Environmental I ~~ Consultants, Inc.
800 Connecticut Boulewrd East Hartford, Connecticut 06108 1203) 289-8631
POND SITE 'MASS.
HOCOMONCO WESTBOROUGH
EXHIBIT 4.
GROUNDWATER ELEVATIONS
DATE•
LEGEND
EXISTING:
-300-- ELEVATION IN FEET
=====157,==== STORM DRAIN
0 CATCH BASIN
0 MANHOLE
-<>- HYDRANT
STREET RIGHT OF WAY
==--== GRAVEL ROAD
~ GROUNDWATER ELEVATION IN. FEET
_ ..... ~ INFERRED GROUNDWATER , ELEVATION IN FEET (M.S'.t:.)
SCALE IN FEET
150 25 0 50
PROJECT NO 2513- N 81
I
I
.I
,.
. ,., "
' ~ ' I I,.,
I
(
i
' . .... ~ '" . ' ''
I , :•' ' '
,.,,,'
I
,.
)
•
I ·, "' ''", l1[ 1' I ,0 '" I " '
' '• '' ·, '
320,-~--------~--~------------------~--------------------------------~--------~-----------.320
' '• 'I ' ••· ' I• , .I•. '· , I .. ·,- "·" •: ··I"· 't' ,. '
310r-~~~---------+~~-----f~~~~~~~-f~~--~~------,---------~--~~----------~--~310
. ' . ' '
' '
!q> 0.. 1-
',. '·
,'.
' . I
t' ,' •. , ..
31o,-----------~----~------~-------------,~-----------------,------~----~--~----~~----------,3tO
' X Ill
I "''o ' " I ,', "'I ' "· ,. ,' 'I
'• . ' --.:.._. .
i . . - ---------...,...!c,-_:__ __ -- --·-----·
0 ~0~~~----~~~-------F=====~=======n============~--~---------~--~~0.
. ,.,
·"
(f 2sct-~--------------~1------------~----------~~----------------~------------------------------~----~zso
'" ',.'
SECTION L-2 270L_-~---~~-~-----~============~~-----------------------~o
320 I'',
'
,.,
310
. .
300
. . 290
' .
280 '
(
I
I
'
'
I I
'
! . . ..
. .
.I ,, .
-----~~ ' ' . ' ' ' ' ' . I - .
· . . ' . -----------------
,,
I
i II
1,.
II
J,
I' 1.
I
' I ,I,
,,,
. ' ' ..
.
' ••
SECTION L-1
I 320 '
310 ....
"' ' X ' "' "-I- .
. ----"' "-" . 300
. ~ .Lo ..,·
290 .
' 280 .
\
310 310
i -T
d. "-I-
---- ---30 - 300 ,,
) '
290 I
= 290 ( I ' 0 ' I '
2 'I
' 280 80
> 'f!l'''
'
i SECTION L-6 I,
.. 2 70 270
10 310 ,, . 'f'
0..
d: ·~ <)l
' I- "-I-;:::
-- __ --::-300
' ' .; .
'
: :~ .. :
I ' r= .. 'I ' '
L- . '
?•
' . ' I
~ I ) --:- " 280 i,
" J', SECTION L-5 ' .
.2 70 I 270
•
310 __ _:__ ________________ _2''----------~---.--------~----~~------~----~------------------~~------,3!0 <!)
x ro
-----,.!,._ --290~~------------------------~L_
------------~~~---------------------------------------------1280
\ SECTION L-4 VOL_ __________ ~----------------~======~==~~-------------------------j270
I· ,,
I
I
I '
, I
'I
I i
I
HOCOMONCO POND. SITE MASS. WESTBOROUGH,
.. .
',,,.,,I .,
EXHIBIT 5 ·' • ' ' I" ·r· · "'
. FORMER LAGOON SECTIONS··
II
• .[ill
llllll D •
[2J
LEGEND
HEAVY
MODERATE
. SLIGHT
ODOR •
NONE
SAMPLE LOCATION
----""----'-GROUND WATER (APRIL/JUNE 1984)
NOTE• INDICATES DEGREE . OF VISIBLE CONTAMINATION
'
'
.. , "
' " " , .. ''
. ''
. (
' SCALE • ,I"= 50' HORIZ.
· I"= 10' VERT.
DATE • . MARCH 1985 PROJECT NO. 2513- NBI
.. ' '
I ·,'' .,. :
1 .. , I
,\
:•.•;1 " . '
.' ' 1 " )
:,,' 1
'" . , , , I ,, I
' ., ' ' ,,
I ' \
I e· ·-\'
,,
" !
' I .i I
.. . • I "''I
'I
'" .. . "·I
1 . • I
' ,:•
,, '·i
'I 1'·"·, •, • ·1 ~
'"• ''
... , ... .'''I
' ..•. " "• "., , .... ,
.. ·.~. I
.· '· .. I '
,. ;,
.I
'
I
I
I-I
1:
II
I
I
,.,,
.,,,.,
' ., ,,. ,
..
,,, ' ' ,.,
""··· ,,
·" •' ',,. ,,, ' ,,,,'
'
)
". '
' '
' ' '
i I
r ' i,
I' '.[;,
,,
. '! ,,I,
II , .,
•I
,I
'•
1 \
',,,
" I'
)
•
., '
,•
(
•'"'!!-···
300r---~~------r---r-~r-~~--------r-----r-----------------~------------------------------------,3CIO
. ' . KETTLE
--------~------~-----------------1290
SECTION K-2 260 L_----~------------------------~--------==============~~--~~----~----~----~----------------------~-1.~00
" ' ! •.' ' •'
300 300 '
i ... '
' .. Q_
I 1- /_-.-
I ' ' '
., KETTLE PONl
I • . !
290 290
,,
' ' '
280 280 '
' '-'
'
' ' .· 27 0 270
'
··-'
\ I
I '
,, SECTION K-1 '
2.60 2 60 .. '
.. ,,
'
' I• ··,, '
.
'
•· \•
30
290
280
270
260
295
285
275
265
255
I 1:
II
·,
( I:
11
' .
'
'
'
"
'
i •I ,,
lr I,
I I
'
I
I·
1:
II ,I
,. '• I,
'
\
I
' ,. _,
. '
'
'
•
co ' ' 0 (f) a_ .,. r >-
3: ;;: ' ;:;; ;:;;
-,
"'- r--.__
~
l-
f-
'-?"'-' ,,
SECTION K-4
"' ' X
~ "' ---- -~
"" 1;1
!# 1111 %:
•
SECTION K-3 ~
\
' '
'
'
' '
(
300
290
280
270
260
295
285
275
265
255
II 'I
'I I,
\
I' 1,
.{ ' '
', -' '
I '•,
'I
. •
I i
EX HI BIT 6 '', ·., '• ' "' ,'' .',
,.I,
' ' I
KETTLE POND ·SECTIONS
• ' ' l I LEGEND
~~ HEAVY·
fWi:J MODERATE
(2.] SLIGHT
ODOR
NONE
···-SI\MPLE LOCATION
---l:i~- GROUND WATER (APRIL I JUNE 1984)
NOTE' INDICATES DEGREE OF VISIBLE CONTAMINATION
,.,·.
' ' ~ '
.....
' ' ~·:
1/ '
. ' ';· ".'
.~·.
il . -..... .. ..... 1· .. 1
' ',,. . '~- '"·' ' '·""I<·, ~ ' .• '
•I ····•,; •', ·,
: ,' ' ', '
'
,:, . {: '•'
',,
.. , •• r .. ,., ·,· .. ,,,I'·' .,, r. '" .• •! , ....
', '
-.
' '
·.:. "; ...... ,, .. ,, '"• '' \•' '" ',.,,. ""
··'
'
.',:1' ' '
;1,
'I. ,. '
i
' '
,,,, .1
i'l ' I
:, I
:'1
J . ··I . ~·~~
'(,'
'
:.\ \· \
' '
, I
'J
I .
',, :. SCALt> I"~ 50· HORIZ.
I"= 10' VERT.
' I ' ' '
... ...• ''"~ ·~"--·"" -~'·