LISKOW & LEWIS MIGRATIO3.1 CombustionN SCORE , Inc. HRS Score 3.2 Score Analysis 3.3 Conclusion 3-1

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  • 00124 C U L L E N - R L I S K O W ( 1 S 9 3 - I 9 7 I )A U S T I N W L E W I S < I S M O - I 9 7 1 ( W I L L I A M M M E T E R S "R O B E R T T J O R O E N ' C H A R G E S C G R E M t t _ l _ i O N * G E N E W L A F i ^ T E ' B ' l - L Y H H i N E S *

    J A M E S U P E u L E T i E R *T H O M A S o , H A R D E M A N ' J O H N M K I N G * E D W A R D J . G A Y I S * K E N N E T H E . G O R D O N . J R * W I L L I A M R , P M T T S * U E O N J . R E Y M O N O . J R . " . J B E R R Y S T J O H ' ^ _ J R . " D O N A L D R , A S A U N Z A *

    J O H N M . W I L S O N * C H A R L E S M . S T E E N * L A W R E N C E P S I M O N , J R L "F R E D E R I C K W B R A D L E Y * K E R R Y M , M A S S A R l " S . G E N E F E N D L E R * T H O M A S F , G E T T E N * G E O R G E H . R O B I N S O N . J R . * G E O R G E J . D O M A S * M A R I L Y N C . M A L . O N E Y * R O B E R T W B O O K S H . J R .

    J O S E P H C G I G L i O . J R . * B R U C E J , O R E C K P A T R I C K W G R A Y

    L I S K O W & L E W I S A T T O R N E Y S A T L A W

    N E W O R L E A N S , L A . 7 O I 3 9 O N E S H E L L S Q U A R E

    F I F T I E T H F L O O R T E L E P H O N E ( S O - 4 ) S S t - 7 9 7 9

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    L A F A Y E T T E : , L A . 70505 3 2 ' T R A V I S S T .

    P, O BOX 5 S O O 8 T E L E P H O N E ( 3 t B ) H 3 2 - 7 A 2 4

    ..New O r l e a n s , L o u i s i a n a A u g u s t 7, 1986

    D E B O R A H B A K R O B E R T E H O L ~ . J O E B N C R M A N T H O M A S M M - N A M A R A J A M E S N M A N S F I E L D H I B I L L Y J O O M I N G U E L A M B E R T M L A P E R O U S E ~ " F R A N K E M A S S E ^ I G A L E P H I L I P K J O N E S . J R A N N E E , T A T E W l L L I A M W . P U G H J U L I E E S C H W A R T Z C H A R L E S S G R - l - F F t S H I R i C M A R O W . R E V E L S . J R M A R T H A O - T H O M A S

    J O S E P H P H E B E R T M A R G U E R I T E A . N O O N A N B R U C E V . S C H E W E D A V I D W , L E E F E

    J A M E S D . M c M I C H A E L R I C H A R D E . A N O E R S O N G E O R G E W . P U G H , J R . W M B L A K E B E N N E T T M A R K A . L O W E G E O R G E D E N E G R E . J R D O N K H A Y C R A F T B A R B A R A 6 E N N E T T B L A C K B U R N E O W I N W , D E N N A R DJ A M E S A B R O W NG R E G G G U I D R Y• P R O F E S S I O N A L C O R P O R A ^ O * *

    V I A H A N D D E L I V E R Y ' M r . R u s s e l l H . W y e r , Direc t orH a z a r d o u s S i t e C o n t r o l Divi s i on( A t t e n t i o n N P L S t a f f )O f f i c e o f Emergency & Remedial Respon s e( W H - 5 4 8 E )Environmenta l P r o t e c t i o n A g e n c y4 0 1 M . S t r e e t , S . W . W a s h i n g t o n , D . C . 20460

    RE:

    L A . D E P T . O F E N V I R O N M E N T A L Q U A L I T Y .

    I A S D I V I S I O N Comments o n P r o p o s e d N P L L i s t i n g , C o m b u s t i o n ,I n c . , Denham S p r i n g s , L o u i s i a n a

    Dear M r . W y e r : _ - . . . . . . . . . * • ' • ' T h e s e comments are submi t t ed on b e h a l f ; r o f the S t e e r i n g ~" - ' :

    C o m m i t t e e of the p o t e n t i a l l y ; r e s p o n s i b l e "parties" j L d e n t i ; f ~ i e " a ' ; " : •" Ib y t h e L o u i s i a n a D e p a r t m e n t o f •"Envixonmehta l--X?ual : i ty" f " D E ' Q " ' ) : ' : " i l " ;in connect ion with the " C o m b ' u s f i d r i , " I n c . 1 , ' oil r e c lamat i on T .::...- -f a c i l i t y i n Denham S p r i n g s ' / ' L o u i s i a n a " , " i n c o n n e c t i o ' n ' V i t h t h e " "EPA 1 s p r o p o s a l to p l a c e the Combus t ion si.te on the N a t i o n a lP r i o r i t i e s L i s t . 5 1 F e d . Regv ' 2 1 0 9 9 - ( J u n e ' 1 0 , 1 9 8 ' 6 . ) . ' A t t a c h e dto th i s l e t t e r i s a t e chnical cri t ique of t h i s p r o p o s e d l a s t i n g " ,e n t i t l e d " A n a l y s i s o f H a z a r d Ranking S y s t e m S c o r e , : C o m b u s t i o n , 'I n c . , S i t e , L i v i n g s t o n P a r i s h , Lou i s i ana , " dated A u g u s t 5 ,1 9 8 6 , p r e p a r e d b y E R M - S o u t h w e s t , I n c . T h e C o m b u s t i o n S t e e r i n gC o m m i t t e e requested E R M - S o u t h w e s t to conduct an a n a l y s i s tode t ermine whether the EPA had p r o p e r l y p r e p a r e d a H a z a r dRanking S y s t e m score for the Combu s t i on s i t e , and to de t erminewhether the s i te should be p l a c e d on the N P L . E R M - S o u t h w e s t has c o n c l u d e d that there is no t e chnical basi s for p l a c i n g t h i ss i t e on th e N P L . • • • •• • ••• • . • • - -NPL.

    143940 r I I I , , L , i i i i i i i i , j , i . i . : n l l < ; < ~ u u l i < , j : l < „ ^ r u f y i i i i "

  • L I S K O W & L E W I S M r . R u s s e l l H . W y e r , D i r e c t o r . . P A G E 2

    As set f o r t h in the i n t r o d u c t i o n to the r e g u l a t o r yd e s c r i p t i o n o f th e hazard ranking sy s t em m o d e l , th e p u r p o s eof t h i s scoring sy s t em is "to i d e n t i f y 400 f a c i l i t i e s in then a t i o n w a r r a n t i n g t h e h i g h e s t p r i o r i t y f o r remedial a c t i on ,"and to e s t a b l i s h numerical cr i t er ia "based on r e l a t i v e risk ordanger" a s s o c i a t e d wi th th e f a c i l i t y . 40 C . F . R . Part 300,A p p e n d i x A , S e c t i o n 1 . 0 ( 1 9 8 5 ) . T h e c o m p o s i t e m i g r a t i o n score" S ( m ) , " s u p p o s e d l y " r e f l e c t s t h e p o t e n t i a l f o r harm t o humansor the environment f r o m m i g r a t i o n of a hazardous sub s tanceaway f r o m the f a c i l i t y by routes invo lv ing g r o u n d w a t e r ,s u r f a c e water, o r air." I d . I f S ( m ) exceeds 2 8 . 5 , then t h eE P A ' s r e g u l a t i o n s a l l o w t h e s i t e t o b e p l a c e d o n t h e N P L .S ( m ) i s a c o m p o s i t e o f three "migrat ion route" scores, i n c l u d i n g" S ( g w ) , " t h e "groundwater" score; " S ( s w ) , " t h e s u r f a c e waterscore; and " S ( a ) , " the a ir score. The a d m i n i s t r a t i v e record a s s o c ia t ed with th e p r o p o s e dl i s t i n g o f the Combu s t i on s i t e shows that the scores forthat s i t e were S ( g w ) , 2 2 . 5 ; S ( s w ) , 10.91; a n d S ( a ) , 5 5 . 3 8 .

    The c o m p o s i t e S (m) score was thus 35.11. S (m) exceeds 28.5only because of the "air score," and thus the s i te can bep l a c e d on the NPL o n l y if the "air score" has been p r o p e r l yd e t e r m i n e d . The air migra t i on score was based on one s a m p l e c o l l e c t e db y t h e Lou i s iana D E Q o n ' J u n e 1 3 , 1985. T h a t s a m p l e d e t e c t e d1 , 4 - d i c h l o r o b e n z e n e in a concentrat ion of 14 p a r t s per t r i l l i o n ,one inch f r o m the s u r f a c e of one of the oil r e c lamat i on p i t sat the C o m b u s t i o n s i te. T h i s c oncentra t ion is bare ly abovethe lower level o f d e t e c t i o n of the s a m p l i n g instrumentation.. ,and c l e a r l y does not r e p r e s e n t ' ' -a threat o r " " ' h a z a r d ' ' - t o ^ e a r b y " - -r e s i d e n t s or to the environment..' T h i s - c o n c e n t r a t i o n - in ; "itse-l-fi s l e s s than one-mil l ion-hh" O f : ' a n y a p p l i c a b l e 8-hour workp la c e ' .exposure s t a n d a r d e s t a b l i s h e d b y - t h e O c c u p a t i o n " ' S a f e t y and r > " - ' - ' -H e a l t h A d m i n i s t r a t i o n " ' fo.r : d i c h l b r b b ' e n z e h e ; "Moreover, rap id • : ~d i s p e r s i o n in the ambient "air; would make* these" concentrat ionsu n d e t e c t a b l e a t any s i g n i f i c a n t - d o w n w i n d d i s tanc e f r o m t h e " p i tarea. F i n a l l y , conversations with DEQ" per sonnel revealed- th.atthe pit had been i m p r o p e r l y d i s turb ed with a s t i ck to s u p p o r tthe s a m p l e probe p r i o r to s a m p l i n g , and that thi s pro c edur ei s inconsi s tent EPA s a m p l i n g p r o t o c o l s . T h e correct S ( m ) migra t i on f o r t h e s i t e shou ld t h e r e f o r eb e 14.43, which i s below t h e E P A ' s minimum score o f 28.5 f o rp l a c e m e n t o f a s i te on the N P L . The Combus t i on s i t e t h e r e f o r es h ou ld not be p l a c e d on the NPL.

  • M r . R u s s e l l H . W y e r , Dir e c t o r L I S K O W & L E W I S PAGE 3

    T h a n k you for your c o n s i d e r a t i o n o f these comments ,

    Y o u r s very t r u l y ,

    Robert E. H o l d e n R E H i l a mE n c l o s u r ecc: Mr. W i l l i a m B. D e v i l l e , A d m i n i s t r a t o rI n a c t i v e a n d A b a n d o n e d S i t e s Div i s i onLoui s iana Department o f Environmental Q u a l i t y

    P o s t O f f i c e B o x 44307 Baton Rouge, LA 70804 Mr. Barry N a s hEnvironmental P r o t e c t i o n A g e n c y , Region V II n t e r f i r s t I I B u i l d i n g1201 Elm S t r e e tD a l l a s , T X 75270

  • A N A L Y S I S O F H A Z A R D R A N K I N G S Y S T E M SCORE C O M B U S T I O N , I N C . S I T E

    L I V I N G S T O N P A R I S H , L O U I S I A N A

    W . O . 185-01 A u g u s t 5, 1986

    l i c h a e l E . P i s a n i , P . T E T . _ " "

  • T A B L E O F C O N T E N T S

    S e c t i o n I N T R O D U C T I O N1.1 Background1.2 P u r p o s e and S c o p e R E G U L A T O R Y A N A L Y S I S2 . 1 I n t r o d u c t i o n2 . 2 T h e H a z a r d R a n k i n g S y s t e m

    A N A L Y S I S O F T H E C O M B U S T I O N , I N C . H R S M I G R A T I O N SCORE3 . 1 C o m b u s t i o n , I n c . H R S Score3 . 2 S c o r e A n a l y s i s3 .3 C o n c l u s i o n

    3-1 3-13-1 3-2

    A N A L Y S I S O F T H E A I R R O U T E S C O R E4 . 1 T h e A i r Route S c o r e4.2 Observed Relea s e B A