### Unite d State s Environmenta l Protectio nAgenc y
•SDM S DocI D 52519 9 

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### OTHER :

Propose d Amendmen t t o th e Clean-u p Pla n

fo r th e F . O'Conno r Superfun d Sit e Augusta , Main e

Terrenc e Connelly , RP M

Publi c Meetin g Jul y9 , 200 2 America nLegio n Hal l 4 0 0 Easter nAvenu e Augusta , Main e

Do n Thompso n & Associate s Cour t Reporter s 

# ORIGINA LPag e 1



### 1 (Whereupon , th e meetin g commence d a t 7:2 3 p.m. ) 2 **** * 3 MS . O'DONNELL : I' d lik e t o welcom e yo u t o tonight' s 4 meetin g o nth e O'Conno r Superfun d Site

. 5 M ynam e i s Mar yJan e O'Donnell ; I' mlocate d i n 6 Boston . Thi s i s a publi c hearing , a s I said , fo r th e O'Conno r 7 site

. 8 Seein g tha t ther e ar e n o member s o f th e genera l 9 publi c her e tha t coul d possibl yintroduc e comment s int o th e 1 0 record , th e Stat e want s t o introduc e som e comment s int o th e 1 1 record
. 1 2 I woul d tur n thing s ove r t o the man d presen t th e 1 3 opportunit yt o introduc e thei r comments . 1 4 MR . HARPER : M ynam e i s Wilke s Harper , an d I' mth e 1 5 Main e Departmen t o f Environmenta l Protectio nprojec t manage r 1 6 fo r th e O'Conno r Junkyar d Superfun d Sit e i nAugusta , Maine

. 1 7 I wil l b e presentin g testimon yo nbehal f o f Martha
. 1 8 Kilpatrick , Commissione r o f th e Main e Departmen t o f 1 9 Environmenta l Protection , regardin g th e U S Environmenta l 2 0 Protectio n Agency' s proposa l t o amen d th e 198 9 Recor d o f 2 1 Decisio n fo r thi s Site

. 2 2 Transforme r oi l containin g polychlorinate d biphenyl s 2 3 (PCBs) , volatil e organi c compound s (VOCs) , an d lea d fro m 2 4 transforme r recyclin g operation s wer e release d t o th e sit e 2 5 soil s fro m

transforme r salvag e operation s performe d ther e fro mPag e 2



### 1 th e 1950 s throug hth e 1970s . Th e lea d accumulate d i nth e 2 surficia l soil s whil e th e PCB s an d VOC s migrate d dow nint o th e 3 subsurfac e cla yan d bedroc k fractures
. 4 Th e 198 9 sit e clean-u p pla ninclude d a requiremen t 5 fo r th e remova l o f th e mor e heavil yimpacte d soil s an d 6 restoratio n o f th e groundwate r t o drinkin g wate r standards
. 7 Sourc e contro l remedia l action s hav e no wremove d al l 8 sit e soil s know n t o contai n greate r tha n1 0 pp mPCB s an d 9 24 8 pp m

o f lead
. However , MEDE P - - o r Main e Departmen t o f 1 0 Environmenta l Protectio n - - understand s ther e remain s o nsit e 1 1 a Designate d Are a containin g n o greate r tha n1 0 pp mPCB s an d 1 2 24 8 pp mlead , an d tha t thi s are a wa s covere d wit ha t leas t 1 2 1 3 inche s o f clea n fill

. 1 4 Elsewher e o n sit e outsid e o f thi s Designate d Are a 1 5 soil s ar e believe d t o contai nn o greate r tha n1 pp mPCB s an d 1 6 24 8 pp m

o f lead
. 1 7 Further , th e utilizatio no f a vacuu menhance d 1 8 recover ysyste mhas , t o date , remove d approximately

. 5 6 gallon s 1 9 o f PC B oi l fro mth e groundwater
. 2 0 Th e Main e Departmen t o f Environmenta l Protectio n 2 1 understand s tha t naturall yoccurrin g physica l force s ac t t o 2 2 hol d th e residua l PCB s i n thes e subsurfac e fracture s thereby 2 3 significantl yrestrictin g thei r movement . Eve nthoug h 2 4 continue d us e o f th e vacuu menhance d recover ysyste mi s 2 5 expecte d t o furthe r reduc e th e amoun t o f residua l PC B oi l o nPag e 3



### 1 site, ' th e Main e Departmen t o f Environmenta l Protectio n 2 realize s tha t a certai n amoun t wil l likel yremai ntrappe d i n 3 th e fracture s fo r a ver ylon g time , possibl yhundred s o f 4 years . 5 Th e Unite d State s Environmenta l Protectio nAgenc y 6 no wpropose s t o amen d th e groundwate r componen t o f th e 198 9 7 clean-u p pla n b ywaivin g th e groundwate r clean-u p standard s 8 fo r a portio no f th e sit e surroundin g th e TWAI I area . 9 Th e Unite d State s Environmenta l Protectio nAgenc yi s 1 0 proposin g th e followin g measure s i nth e amendmen t t o th e sit e 1 1 clean-u p plan : 1 2 Rel yo n lan d us e restriction s tha t wer e 1 3 establishe d i n 199 4 by , an d ar e enforceabl e by , th e Main e 1 4 Departmen t o f Environmenta l Protectio nt o preven t exposur e 1 5 t o th e contaminate d groundwater ; 1 6 Continu e t o remov e oi l fro mth e groundwate r usin g 1 7 bot hpassiv e an d activ e recover ysystems . Th e clean-u p pla n 1 8 a s propose d currentl yrequire s th e continue d us e o f th e 1 9 vacuu menhance d recover ysyste monl yi f significan t 2 0 quantitie s o f oi l ar e bein g recovered
. Th e Main e Departmen t 2 1 o f Environmenta l Protectio ni s concerne d tha t thi s curren t 2 2 languag e i s to o subjective

. Th e Unite d State s Environmenta l 2 3 Protectio n Agenc ymus t bette r identif yan d defin e th e 2 4 criteri a fo r discontinuin g us e o f th e vacuu menhance d 2 5 recover ysystem ;Pag e 4



### 1 Continu e t o monito r th e groundwate r o nsit e t o 2 demonstrat e tha t th e contaminat e plum e i s no t expanding ; 3 Continu e t o monito r th e sediment s of , an d th e 4 organism s dwellin g in , Rigg s Broo k t o demonstrat e tha t th e 5 contaminan t level s ar e no t increasin g an d remai nbelo wth e 6 trigge r leve l fo r remedia l action ; 7 Evaluat e th e clean-u p approac ht o confir mtha t i t 8 i s protectiv e o f huma nhealt han d th e environment

. 9 Th e Main e Departmen t o f Environmenta l Protectio n 1 0 concur s tha t th e propose d change s ar e protectiv e o f th e publi c 1 1 healt han d th e environmen t if , an d onl yif , th e followin g 1 2 condition s ar e met : 1 3 Al l sit e wor k wil l b e performe d i n complianc e

r 1 4 wit hth e revise d clean-u p pla n an d al l applicabl e standar d 

### 1 5 operatin g procedures , laws , an d regulations ; 1 6 Th e Main e Departmen t o f Environmenta l Protectio n 1 7 wil l b e give n a t leas t tw o weeks ' prio r notic e t o eac h 1 8 samplin g event ; 1 9 Centra l Main e Powe r wil l maintai n an d periodicall y 2 0 demonstrat e t o th e Main e Departmen t o f Environmenta l 

### 2 1 Protection' s satisfactio n th e continuou s existenc e o f 1 2 2 2 inche s o f clea n soil

. Th e detail s o f suc hdemonstratio n 2 3 wil l b e establishe d prio r t o th e finalizatio no f th e Recor d 2 4 o f Decision ; 2 5 Clarify , b yincorporatio nint o th e Recor d o f

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1 Decisio n Amendment , tha t th e clean-u p goa l fo r PCB s i n 2 sedimen t i s actuall y1 ppm , no t 5 ppm . However , th e Main e 3 Departmen t o f Environmenta l Protectio n agree s tha t th e 5 pp m 4 trigge r leve l fo r remedia l actio n i s acceptable ; 5 Al l significan t erosio n occurrin g i n th e 6 Designate d Are a o n sit e wil l b e addresse d i n a timel ymanne r 7 t o preven t exposur e t o level s o f PC B abov e 1 pp man d lea d 8 abov e 24 8 ppm . 9 Th e Main e Departmen t o f Environmenta l Protection' s 1 0 concurrenc e wit hth e proposa l t o Amen d th e Recor d o f Decisio n 1 1 i s contingen t o n thes e criteria

. 1 2 Than k yo u ver ymuch
. 1 3 MS . O'DONNELL : Seein g tha t ther e ar e n o othe r 1 4 comments , th e meetin g i s no wclosed
. 1 5 **** * 1 6 (Whereupon , th e meetin g wa s conclude d a t 7:2 9 p.m. ) 1 7 1 8 1 9 , 2 0 2 1 • 2 2 2 3 2 4 2 5

### CERTIFICAT E .

I , Lis a Fitzgerald , a Notar yPubli c i nan d fo r th e Stat e

o f Maine , hereb ycertif ytha t o nJul y9 , 2002 , a publi c meetin g wa s hel d a t th e America n Legio nHall , 4 0 0 Easter n Avenue , Augusta , Maine , regardin g th e Propose d Amendmen t t o th e Clean-u p Pla n fo r th e F . O'Conno r Superfun d Site , Augusta , Maine

. Thi s meetin g wa s stenographicall yreporte d b ym e an d late r reduce d t o typewritte n for mwit hth e ai d o f computer-aide d transcription ; an d th e foregoin g i s a ful l an d tru e recor d o f th e statement s given

. I furthe r certif ytha t I ama disintereste d perso ni nth e

even t o r outcom e o f th e above-name d meeting

. I NWITNES S WHEREOF , I subscrib e myhan d an d affi xmysea l thi s Jul y12 , 2002 .

LIS A Cour t Rep V Mycommission.expires : Ma y10 , 200 4

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