Waste Management of North America, inc. Management of North America, Inc., Oak Brook, Illinois ... Table 2-1 Head Differences Between the Alluvial and Garber-Wellington ... Table 3-4

W a s t e Management of North America, inc.D R A F T F I N A L F E A S I B I L I T Y S T U D Y R E P O R T

M O S L E Y R O A D S A N I T A R Y L A N D F I L LR E M E D I A L I N V E S T I G A T I O N / F E A S I B I L I T Y S T U D Y

tr\inCOoo

V O L U M E I I

Qolder Associates Inc.C O N S U L T I N G E N G I N E E R S / D E N V E R COLORADO

G o l d e r Associates Inc.C O N S U L T I N G E N G I N E E R S

DRAFT F I N A LF E A S I B I L I T Y S T U D Y

REPORTVolume II

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Distributions2 copies -2 copies -1 copy -1 copy -2 copies -1 copy -1 copy -2 copies -

I (nvironmental Protection A g e n c y , D a l l a s , T e x a sOklahoma S t a t e Department o f H e a l t h , Oklahoma C i t y , OklahomaI ' R C Environmental, Dallas , TexasW a s t e Management o f Oklahoma, I n c . , I r v i n g , T e x a sW a s t e Management of North America, Inc., Oak Brook, IllinoisA i r F o r c e / R O V , D a l l a s , Texasl ing ine e r ing Sci enc e , Inc. , Denver, Coloradobolder Assoc iate s I n c . , Denver, Colorado

November 1991 903-2223

Q O L O E f i A S S G G i A r t t , i t , . . . M U N I O N B O U L E V A R D s u i r t 1 0 0 . L A K E W O O D . D E N V E R ) C O L C H U O C . . j S . A B M W . rei.. 0031 wowc . T A X (303,m J O B OU N I T E D S T A T E S . C A N A D A . U N I T E D K I N G D O M . S W E D E N . a e t i M A N v . I T A I . T . A U S T R A L I A

November 1991F I N A Li Rev. 0

903-2223T A B L E O F C O N T E N T S

Volume IILIST OF TABLES

T a b l e 1-1 I n d u s t r i a l Was t e s Reportedly Disposed in the Mos l ey Road Sani tary LandfillT a b l e 2-1 Head D i f f e r e n c e s Between the A l l u v i a l and G a r b e r - W e l l i n g t o n A q u i f e r s DuringRemedial I n v e s t i g a t i o n A c t i v i t i e sT a b l e 3-1 Compound s Considered For Development of Remedial Alt e rna t iv e s For Was t e Pit

S o i l sT a b l e 3-2 C o m p o u n d s Considered For Development of Remedial A l t e r n a t i v e s For LeachateT a b l e 3-3 C o m p o u n d s Considered For Development o f Remedial A l t e r n a t i v e s ForG r o u n d w a t e rT a b l e 3-4 T a r g e t A n a l y t e List ( I n o r g a n i c s ) and Targe t Compound Li s t (Organics)T a b l e 3-5 I d e n t i f i c a t i o n and Screening of Waste Pit S o i l s Remedial T e c h n o l o g i e s andProcess O p t i o n s

T a b l e 3-6 I d e n t i f i c a t i o n and S c r e e n i n g of Leachate Remedial T e c h n o l o g i e s and ProcessO p t i o n sT a b l e 3-7 I d e n t i f i c a t i o n and Scre en ing of G r o u n d w a t e r Remedial T e c h n o l o g i e s and ProcessO p t i o n sT a b l e 3-8 E v a l u a t i o n o f W a s t e Pi t Soi l s Process Opt i on sT a b l e 3-9 Evaluat ion of Leachate Process OptionsT a b l e 3-10 I v a l u a t i o n of Groundwa t e r Process O p t i o n s

T a b l e 4-1 A s s e m b l y of Remedial A l t e r n a t i v e sT a b l e 4-2 Appl i cab l e o f Relevant and A p p r o p r i a t e Requirements For C h e m i c a l s o f P o t e n t i a l

Concern at M o s l e y Road S a n i t a r y Landfil lT a b l e 4 - 3 P o t e n t i a l A c t i o n - S p e c i f i c A R A R sT a b l e 4-4 P o t e n t i a l L o c a t i o n - S p e c i f i c ARAT a b l e 5-1 A n a l y s i s of C o l l e c t i o n Options ConsideredT a b l e 5 - 2 C o m p o u n d s Cons idered F o r Development o f T r e a t m e n t F o r CombinedG r o u n d w a t e r and LeachateT a b l e 5-3 L i m i t a t i o n s on I n d u s t r i a l Discharges to POTWT a b l e 5-4 A s s e m b l y o f Ref ined Remedial A l t e r n a t i v e sT a b l e 6 - 1 Role o f T h e N i n e E v a l u a t i o n Cr i t e r ia During Remedy S e l e c t i o nT a b l e 6-2 E s t ima t ed Cost Range for R e f i n e d Renedial A l t e r n a t i v e sT a b l e 6-3 E v a l u a t i o n o f Ref ined A l t e r n a t i v e s A g a i n s t the N i n e Cri t er iaT a b l e 6-4 E s t i m a t e d Discharge Cos t s for Refined Alt erna t iv e s

LIST OF F I Q U R g >F i g u r e 1-1 Area MapF i g u r e 1-2 T o p o g r a p h y and S u r f a c e Drainage Off o f the M o s l e y Road Sani tary Landfi l lF i g u r e 1-3 W a s t e Pit Boring Locations

tnin00oo

G o i d e r A s s o c i a t e s

November 1991F I N A L

iiRev. 0

903-2223

Figure 1-4F i g u r e 2-1F i g u r e 2-2Figure 2-3F i g u r e 2-4F i g u r e 2-5F i g u r e 2-6F i g u r e 2-7Figure 2-8F i g u r e 2-9F i g u r e 2-10F i g u r e 2-i 1F i g u r e 2-12Figure 2-13F i g u r e 2-14F i g u r e 2-15F i g u r e 2-16F i g u r e 2-17Figure 3-1F i g u r e 4-1F i g u r e 5-1F i g u r e 5-2F i g u r e 6-1F i g u r e 6-2F i g u r e 6-3F i g u r e 6-4Figure 6-5F i g u r e 6-6F i g u r e 6-7

Plat e 2-1P l a t e 3-1

T A B L E O F C O N T E N T S ( C o n t i n u e d !Volume II

I J K i l L Q E - F K 3 U R E S ( C o n t i n u e d )S t i K i y AreaLocation of Oil W e l l s and Registered Underground S t o r a g e Tanks near theMosley Road Sanitary L a n d f i l lRepresentative A l l u v i a l Groundwater F l o w DirectionsRepresentative Garber- W e l l i n g t o n Groundwater F l o w Direc t ionsA l l u v i a l Water Levels on 1 / 2 4 / 9 1A l l u v i a l Water Leve l s on 3 / 2 7 / 9 1A l l u v i a l Water Levels on 5 / 2 3 / 9 1Garber- W e l l i n g t o n F o r m a t i o n Water Levels on 1 / 2 4 / 9 1Garbar- W e l l i n g t o n Formation Water Levels on 3 / 2 7 / 9 1Garber- W e l l i n g t o n F o r m a t i o n Water Levels on 5 / 2 3 / 9 1H y d r o g r a p h s o f Representat ive PiezometersG a r b e r - W e l l i n g t o n W e l l LocationsC o n f i r m e d W e l l LocationsV o l a t i l e Organics in A l l u v i a l GroundwaterP e s t i c i d e s in Alluv ia l Groundwat erV o l a t i l e Organic R e s u l t s in G a i t e r - W e l l i n g t o n Groundwat erGarber- W e l l i n g t o n Groundwa t e r Barium ConcentrationsC o n c e p t u a l ModelA p p r o x i m a t e Maximum Extent o f A l l u v i a l Groundwater ContaminationRemedial A l t e r n a t i v e Decision TreeT r e a t m e n t Block DiagramR e f i n e d Remedial A l t e r n a t i v e Decis ion TreeC o n c e p t u a l Recovery W e l l Locations Under A l t e r n a t i v e s 4A and 5 A to Achi eve-V of Drawdown Beneath LandfillC o n c e p t u a l Recovery Well Loca t i on s U n d e r A l t e r n a t i v e s 4A and 5A to Achievet O ' o f Drawdown Beneath L a n d f i l lBase E l e v a t i o n of N o r t h PondC o n c e p t u a l Recovery W e l l Locat ions for A l t e r n a t i v e 6AConceptual Recovery Wel l Locations for Alternat ive 6BC o n c e p t u a l Recovery Well Locations for A U e r n a t i v e 7A and 8AC o n c e p t u a l Recovery W e l l Locations for A l t e r n a t i v e 7B and 8B

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S i t e Charac t er iza t i on M o n i t o r i n g LocationsCross S e y t i o n C-C*

G o l d e r A s s o c i a t e s

TABLE 1-1I N D U S T R I A L W A S T E S R E P O R T E D L Y D I S P O S E D

I N T H E M O S L E Y ROAD S A N I T A R Y L A N D F I L L

- -^^s^^^ts^yî- ;;':3;^. :i^• : v:::-:;.. . ^ f c i i ' ' ^ ^ : ^

A c e t y l e n e S l u d g eA c i d S o l u t i o nA l k a l i n e S o l u t i o nCannery W a s t eCarbon S t r i p p e rC a u s t i cC a u s t i c Rinse W a t e rC a u s t i c S l u d g eC a u s t i c S o d aC a u s t i c S o d a W a t e rC a u s t i c W a t e rC h l o r o e t h a n e V . G .E m u l s i o nE t c h i n g S o l u t i o nF l o o r W a t e rG l y c o l A l c o h o lGreaseH y d r o x i d e S l u d g e sK e r o s e n eN e w s I n kN o n t o x i c mud and waterOilOther m a t e r i a l sP a i n t S l u d g eP o l y p r o p y l e n eResinsS k y d r o lS l u d g eS o l v e n tS o l v e n t & I n kI T o x a p h e n eT o x i c mud and waterT o x i c T a n k Bot tom S e d i m e n tT r e a t e d P l a t i n g S l u d g eT r i c h l o r o e t h y l e n eW a t e rT o t a l D i s p o s e d

& Hi ^ ^ f e ^ ^ g a i i f b n s j ' i S k ^ ^ W-W 1 w^ t o i f l f i l f i i1,25035,423

10,522150165

2,9002,400

6001 1 ,800

2,90013,200

4,2201,5002,424

500165125

1,397,259240744

12,84836,145

1,20027,609

3,960500110

4,20027,660

8,40038,150

16010010,0003,8001,930

1 , 6 6 5 , 2 5 9

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Sourc e: Oklahoma S t a t e D e p a r t m e n t o f H e a l t h m a n i f e s t records.

N o v e m b e r 1991 903-2223

C o l d e r A s s o c i a t e s

TABLE 2-1H E A D D I F F E R E N C E S B E T W E E N T H E A L L U V I A L

A N D G A R B E R - W E L L I N G T O N A Q U I F E R SD U R I N G R E M E D I A L I N V E S T I G A T I O N A C T I V I T I E S

I l l l

P Z - 1 3 5 - A 3PZ-122-A3P Z - 1 1 8 - A 3PZ-109-A3P Z - 1 1 1 - A 3

MW-201M W - 1 4 RM W - 1 5 RMW-207M W - 2 1 0M W - 2 1 2M W - 2 1 4P W - 2 1 6P Z - 1 4 1

• - W j ' W W f . V . ' V ; ' * * * ? 'c^^S^&i

PZ-137-GPZ-124-GPZ-120-GPZ-107-GP Z - 1 1 3 - G

MW-202MW-203MW-205M W - 2 0 8M W - 2 0 9M W - 2 1 3M W - 2 1 5P W - 2 1 7P Z - 1 4 2

-0.8101.0-0.2 to 1.0

-6.2 to 2.7 b/3.9 to 5. 85.1 to 7.10.9 to 1.50.1 to 1.40.0 to 1.01.9 to 3.03.6 to 8. 85.7 to 7.3-0.3 to 0.70.9 to 2.0-0.2 to 0.4

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a/ P o s i t i v e number i n d i c a t e s h i g h e r head in a l l u v i a l a q u i f e r ,b/ Early data ( i . e . , -6.2 ft) f r o m PZ-12Q-G are suspect .

Note: Hydraulic head data prior to well of piezom&t&f development wereaxduded*

N o v e m b e r 1991 903-2223


TABLE 3-1C O M P O U N D S C O N S I D E R E D F O R D E V E L O P M E N T O F

R E M E D I A L A L T E R N A T I V E S F O R W A S T E P I T S O I L St;:iif t ; ; " ^Nist "-•. -Sit-, ' 'iitfN6f;^8:-&ritaminan^bl^fK^r^ :§^ S a M p l i nK e t o n e s

|ot-;;::p;i l|gg^;$to!rnum •,-:;;s.;;.::|j j P o i t e |S^cehâtl6fi^ni^9)'

acetone 10 BIDLmethylene ch lor ide 10 BIDL

B E T X *e t h y l b e n z e n e 10 BIDLt o luene 10 BIDLtotal x y l e n e s 10 BIDL

Phenol sp h e n o l 10 BIDL4 - m e t h y l p h e n o l 1 0 B I D L

P o l y n u c l e a r Aromat i c H y d r o c a r b o n spyrene 10 BIDLnaptha t ene 10 BIDL2 - m e t h y l n a p t h a l e n e 1 0 B I D Lf l u o r e n e 10 BIDLa c e n a p h t h e n e 1 0 BIDLp h e n a n t h r e n e 10 BIDLf l u o r a n t h e n e 10 BIDLchrysene 10 BIDL

P h t h a l a t e sb i s ( 2 - e t h y l h e x y l ) p h t h a l a t e 1 0 B I D L

C h l o r i n a t e d S o l v e n t schlorobenzene 10 BIDL1 , 2 - d i c h l o r o e t h e n e 1 0 BIDLt e t r a c h l o r o e t h e n e 1 0 B I D L1 ,2~d i ch l orob enzene 1 o BIDL1 , 3 - d i c h l o r o b e n z e n e 1 0 B I D L1 ,4-dichlorobenzene 10 BIDL1 , 2 , 4 - t r i c h l o r o b e n z e n e 10 BIDL

.V ;||, M&ximum • -. £r i^6eni faSon (mg/iy:;:

5.80.088

149.882

0.74101.631392.62.111345.330535.323419

1311

N O T E S :* T h e s e c o m p o u n d s a r e n o r m a l l y a s soc ia ted w i th i m p a c t s f r o m m u n i c i p a l s o l i d waste l a n d f i i l sand may not r e f l e c t impact s f r o m indus tr ia l hazardous waste. In a d d i t i o n , manganesec onc en t ra t i on s in groundwa t e r a p p e a r to be r e g i o n a l l y e l eva t ed .

B I D L : Below I n s t r u m e n t Det e c t i on L i m i t

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N o v e m b e r 1991 903-2223



R E M E D I A L A L T E R N A T I V E S F O R L E A C H A T E

Ilii l8dntaminant s% Cdr i c e rr t rKI •|".Sarhfrfing: ;pomti^-K e t o n e s

acetone2-butanone4-methyl-2-pentar ionemethylene chloridebenzotc acid

BETX*e t h y l b e n z e n et o l u e n etotal xylenes

P o l y n u c l e a r A r o m a t i c H y d r o c a r b o n sp h e n a n t h r e r i ef l u o r a n t h e n ea c e n a p h t h e n echrysenen a p h t h a l e n eb e n z o ( b ) f l u o r a n t h e n eb e n z o ( k ) f l u o r a n t h e n ob e n z o ( a ) p y r e n eb e n z o ( a ) a n t h r a c e n eanthracenepyrene

Phenolsp h e n o l4 - m e t h y l p h e n o l

P h t h a l a t e sb i s ( 2 - e t h y l h e x y l ) p h t h a l a t eb u t y l b e n z y l p h t h a l a t ed i e t h y l p h t h a l a t e

C h l o r i n a t e d S o l v e n t s1,2-dichloroe thane1 , 1 . 1 - t r i c h t o r o e t h a n e1 , 2 - d i c h l o r o e t h f m e1 , 4-d i ch l orob enz ene

P e s t i c i d e se n d o s u l f a n s u l f a t ed e l t a - B H G

444444444444444444444444444444

I (^nc^ntraWrt {nigli) ;0.0370.0080.005B I D LB I D L0.0210.0500.0510.003B I D LB I D LB I D L0.007B I D LB I D LB I D LB I D LB I D LB I D L0.003B I D L0.003B I D LB I D LB I D LB I D LB I D LB I D LB I D LB I D L

I&^BM0.470.920.12

0.0950.96

0.0340.18

0.0830.05

0.0480.0140.02

0.0290.0250.0270.0160.02

0.0130.0510.310.0270.034O.Gol0.0540.0250.0080.0110.0230.013

0.00026N O T E S :* Thes e compounds are normally associated with impacts f rom municipal solid waste landfills

and may no t r e f l e c t i m p a c t s f r o m i n d u s t r i a l hazardous waste. In a d d i t i o n , manganeseconcentrat ions In g roundwa t e r a p p e a r to b e r e g i o n a l l y e l e v a t e d .B I D L : Below I n s t r u m e n t Det e c t i on Limit

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N o v e m b e r 1991 G o f d e r Associates 903-2223


R E M E D I A L A L T E R N A T I V E S F O R G R O U N D W A T E R

ffl^^lîfe^^^l^liAlluvial GroundwaterVola t i l e Oraanics:t r i ch loro e th ene*vinyl ch lor ide*1 ,2-d i ch loroe thene+1,1-dichloroethane*chlorobenzene*.s^mi-ypM!!.e,Pr^Qi£5ib i s ( 2 - e t h y l h e x y l ) p h t h a l a t e *N - n i t r o s o d i p h e n y l a m i n e +2-chlorophenol+4-ch loro-3-methytpheno!*4 - N i t r o p h e n o l +p e n t a c h l o r o p h e n o l *I n o r a a n i c s :arsenicbariumiron*manganese*

G a r b e r - W e l l i n g t o n GroundwaterV o l a t i l e Orqanics:benzene*chlorobenzene*chloroe thane-*-Semi-Vola t i l e Organiq&b i s ( 2 - e t h y l h e x y l ) p h t h a l « t e *I n o r q a n i c s :iron*manganese*

iiiiôrt^!§atf piirig P o l n f t

2727272727

272727272727

27272727

151515

15

1515

l?W?;:Wft i f iSit t- '$$&l^dmanJEi-atiori (rog f l}

B I D LB I D LB I D LBJDLB I D L

B I D LB I D LB I D LB I D LB I D LB I D L

B I D L0.168B I D L0.064

B I D LB I D LB I D L

B I D L

B I D L0.0485

: Maximum^Concentration f m q / l )

0.0070 02QW * V / 4 » O

0.0630.0140.014

!0.04n fi*^Q 'U . U O 3 i

0.1200.1000.170 !0.140 f

IO A Q C Q i•UOOo .

^ 17 ;J . I / .12 S iI C,.tJ I

3.09 !iii0.008

O ooc- U t o0.021

Ii0.007

3.691.740

N O T E S ;* T h e s e c o m p o u n d s ara n o r m a l l y as sociated w i t h i m p a c t s f r o m m u n i c i p a l s o l i dwaste l a n d f i l l s a n d m a y n o t r e f l e c t i m p a c t s f r o m i n d u s t r i a l hazardous waste. I na d d i t i o n , manganese concentra t ions in g r o u n d w a t e r a p p e a r to be r e g i o n a l l ye l e v a t e d .* T h e s e c o m p o u n d s are contaminants i d e n t i f i e d for p u r p o s e s o f screening remediala l t ernat ive s . Groundwot er i s i d e n t i f i e d as the pr imary p o t e n t i a l exposure p a t h w a y ;t h e r e f o r e , alt organics d e t e c t ed in g r o u n d w a t e r are i n c l u d e d in thes creening process.B I D L : Below I n s t r u m e n t D e t e c t i o n L i m i t

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N o v e m b e r 1991 G o l d e r A s s o c i a t e s 903-2223

TABLE 3-4T A R G E T A N A L Y T E U S T ( I N O R G A N I C S ) A N D T A R G E T C O M P O U N D L I S T ( O R G A N I C S )Of games

: V o f a t i f e s Sern i- i -Vofa tHes:-

s.Q.f f iOS«OO5"t*rf f i(A

A f S S ' i C

CatctumC h r o r c T u mCot altC o p p e rironLeaoMagne s iumMartoaneseMercuryN i c ~ e fPotassiumS i f v wS o d i u mT h a l l i u mVanad iumZ ' n cC y a n i d e

h i o F o m e E h a n e

l . V D i c h t o r a e t h e n e1,1-Dichloroethane1 ,2-Dtchtoroe thene (total)Ch!->rotorml , 2 - D f c h ( o r o e t h a n e2-Butanonel ,1 ,1 - T r i c h l o r o e E h a n eCarbon T e E r a c h l o r i d eV S n y f A c e t a t eBromodichloro methane1 , 2 - D f c h l o f o p r o p a n ec f s - l , 3 - D i c h t o r o p r c p e n eT r i c h l o r o e E h e n eDtoromcchloromethane1 rl , 2 - T r i c h l o r e o t h a n eBenzenetr arts- 1,3-Dich for o p r o p e n eBromoform4-MeEhy(-2-pentanone2-HexanoneT e t r a c M o f o e t h e n eTotuene1 , 1 , 2 . 2 - T e t r a c h f o r o e t h a n eC h f o r o b e n z e n eEthyl BenzeneS t y r e n eX y l e n e s ( E o E a l )

P h e n o lb i s ( 2 - C h l o r o e t h y ! ) e th e r2 - C h l o r c p h e n o l1 ,4-D»chiofo6eozeneBeozyi aiconiof1 ,2-Dichlorobenz9ne2 - M e t h y t p h e n o lbis (2-Chloro i s opropy!) ether4 - M e t h y l p h e n o tN - N i t r o s o - d i - n - p r o p y l a m i n eH e x a c h l o r o e t h a n eN i t r o b e n z e n eI s o p h o r o n e2 - N i t r o p h e n o l2 , 4 - D f m e t h y i p h e n o lBenzole acidb i s ( 2 - C h ! o r o e t h o x y ) methane2 , 4 - D i c h l o r o p h e n o l1 , 2 , 4 - T r i c h t o r o b e n z e n eN a p h t h a l e n e4 - C h ! o r o a n i l i n eHexach lorobu tadi ens4 - C h l o r o - 3 - m e t h y l p h e r > o l2 - M e t h y f n a p h l h a t e n eH e x a c h t o r o c y c l o p e n t a d i e n e2 , 4 , 6 - T r i c h l o r o p h e n o l2 , 4 , 5 - T r i c h l o r o p h e n o l2 - C h l o r o n a p h t h a l e n e2 - N i E r o a n i l i n eD i m e t h y l p h t h a i a t eA c e n a p h t h y i e n e2 , 6 - - D i n i t r o t o f u e n e3 - N i t r o a n i f f n eA c e n a p h t h e n e

2 , 4 - D i n i t r o p h e n o l4 - N i t r o p h e n o tD i b e n z o f u r a nD i e t h y * p h t h a E a t &4-Chlorophenyf phenyf etherF l u o r e n e4 - N i E r o a n i ! i n e4,6-Dmttro-2-methylp:ter.olN - n i t r o s o d i p h e n y l a m i n e4-Bromophenyl phenyl etherH e x a c h l o r o b e n z e n eP e n t a c h f o r o p h e n o EP h e n a n t h r e n eA n t h r a c e n eD i - n - b u t y i p h t h a l a t eF l u o r a n t h e n ePyreneB u t y l b e n z y t p h t h a l a t e3 , 3 ' - D i c h l o r o b e n z i d i n eBenzo (a) anthraceneChryseneb i s(2~Ethyrhexy i)ph tha fa t8D t - n - o c t y ( p h t h a l a t eB e n z o O D j f l u o r a n t h e n eBenzo(k)f luorantheneBenzo(a)pyrenef n c f e n o O .2 ,3- cd)pyreneDit>enz(a,h)anthraceneBenzo(g,h . i j p e r y l e n e

a l p h a - B K Cbe ta-BHCd e t E a - B H Cgamma-BHC ( L i f x i a n e )H e p t a c h l o rAldrinH e p t a c h f o r e p o x i d eE n d o s u l f a n IDialdrin4 , 4 ' - D D EEndrinE n d o s u l f a n t l4 , 4 ' - O D DE r t c f o s u f f a n s u l f a t e4 , 4 ' - D D TW e t h o x y c h l o rEndrin f c e t o n ea l p h a - C h l o r d a n eg a m m a - C h l o r d a r t eT o x a p h e n eAroclor-1016A r o c l o r - 1 2 2 1A r o C ( ' o r - T 2 3 2Aroclor-1242Aroctor-1248Aroclor-1254A f o c i o r - 1 2 6 0

November 1991 ) 0 0 8 5 6 2 903-2223

W A S T E P I T S O I L SG E N E R A LR E S P O N S E A C T O N S

T A B L E 3-5& D £ N T I F I C A T I O N A N D S C R E E N I N G O F W A S T E P I T S O I L S R E M E D I A L T E C H N O L O G I E S A N D PROCESS O P T I O N S

R E M E D I A LT E C H N O L O G Y PROCESS O P T I O N S D E S C R I P T I O N S C R E E N I N G C O M M E N T S3 — i

unifies T t c t t o uInst i tu t ional Action -T-{ Access

— j l w r o m t o n n g>ri

F e n c i n g a n Q S t g n s

"fPaeo texticttons

Gfoonawatermonitortn g

i-[compos i t e cap

verocai earners

j — { s n e e r p t f & » n g f s -

K o A c t f o n

Measures taken to f fml t accessto tha srteMeasuos takwt to l imit acoeseto the sitsDeeds for proper ty In the area ofi n f l u e n c e wouid i n c l u d e r e s t r i c t i on s on(and useMonitoring of wallaP e p a i r of e x i s t i n g compacted lowp e r m e a b i f i t y c f a y cover

A p p l i c a t i o n of a t h i n Sayer of a s p h a l tover contaminated areast o s t a l l a t i o n of a concrete s lab overareas of c on taminat i onC t a y and s y n t h e t i c membranecovered by so i f ovei areas o[c o n t a m i n a t i o nA trench excavated to bedrock isfi l led wi th a low permeab l e soil orcement b en ton i t e s f u t r y . D e p t h t obedrock is 30-40 f e e tI n j e c t i o n o f bentonita s l u r r y underpressure in a regular patternc i e a t i n g a low p e r m e a b i l i t y curtainD r i v i n g meEat sheet v e r t i c a l l y tocreate an i f t i p e r m e a b ' t i oartierI n j e c t i o n o t b e n t o n i t a s f u i r y t h r o u g hd r i t f e d ho l e s f r a c t u r i n g bedrock a n dcreating a horizontal barrier.Removal and d i spo sa l of s o l id s contaminatedwi th i n d u s t r i a l hazardous waste

Required (or o o r t i J d e m t i o n by the N a t i o n a lOil and H a z a r d o u s Sub s tanc e sC o n t i n g e n c y Plan.Potent ia l ly appl i cab l e

Fencing and signs are adequate to l imi taccessPotent faEty app l i cab l e

Potential ly a p p l i c a b l eP o t e n t i a l l y a p p l i c a b l e

S u s c e p t i b l e to cracking, not e f f e c t i v e

S u s c e p t i b t e to cracking, not e f f e c t i v e

P o t e n t i a l l y a p p l i c a b l e


Not e f f e c t i v e in j n c o n s o f i d a t e d al luvium or f i fgh fypf*rmeabte bedrock.

Not e f f e c t i v e . S u b j e c t to corrosion and dif f icult tooverlap sheets and create a good seal.Not e f f e c t i v e in al luvial material or s o f tconsol idated bedrock. P o t a n t f a t (of coat ingfractured f l o w paths and destroying naturalbarriers in bedrock.U n f e a s i b l e . I n f o r m a t i o n gathered d u r i n g t h e R fphase shows that the waste p i t s are not preservedas d i s t in c t zones in the l a n d f i l l r e f u s e .

Legend Ps? Technologies that are screened out

November 1991 Page 1 of 3 )QQS5 SOS-2223

W A S T E P I T SOrtSGENERALRESPONSE A o T f O N S

TABLE 3-5I D E N T I F I C A T I O N A N D S C R E E N I N G O F W A S T E P I T S O I L S R E M E D I A L T E C H N O L O G I E S A N D PROCESS O P T I O N S

REMEDIALT E C H N O L O G Y PROCESS O P T I O N S D E S C R I P T I O N S C R E E N I N G C O M M E N T S

-^hQ*tfta*tre<aftre*tt

7SR9"

Removal and d i s po sa l of s o l i d s contaminatedwith i n d u s t r i a l hazardou s waste

Contaminants use leached out ofvohd waste wAh water or aotuents.Tbe ac*tf waste is pom* en &ne*»and w f f l d e e * s d tor iraabaem ^ntf

M i x i n g erf eoWd waste with cementand disposal in a tandftftContaminated: soils are exposad to air,o f f - g a s e s may require c o l l e c t i o n andtreatment

Soi id waste with a j c t r a m e t y h i g h ortow pH ara n e u l r a l i z e r i w i t h a c i d sof t>asas

Chemical c o m p o u n d s are added tos o l i d waste to f o r m a subs tancer e s i s t a n t t o l e a c h i n gS o l i d waste t s mixed wi th n u t r i e n t sand p i t e d on l iner s above grade .Per f ora t ed p i p e is f a i d in the centerof the p i l e and a vacuum is a p p l i e d .N a t u r a l mi croorgani sms t h e nd e g r a d e the c o n t a m i n a n t s .S o f i d wast* is excavated and spread ind f t s on ground sur fa c e . Organicsd e g r a d e n a t u r a l l y or by a d d i t i o n ofmicrobes.C o m t - u s f i o n o f so l id waste d e g r a d i n gorganic c o n t a m i n a n t s by the a d d i t i o nof heal.S o l i d waste is c r u s h e d , ground andscreened. G l a s s and metal arere cyc l ed . C o m b u s t i b l e s are used toproduce e l e c t r i c i t y . C o n t a m i n a n t sare degraded through combustion.

Unfea s i b l e . I n f o r m a t i o n gathered during the Rtphase shows that the waste pi t s ara not preservedas d i s t inc t zones in the landfill r e fu s e .'Jn&as&fe. tnforntat ion gathered duriog th* Rtp*ia» sbatts Chat the waste p*t? are not preserveda»dufne* aone* in tho izndbit rebao

Unfoasibte. I n f o r m a t i o n gathered during Uw Rlphase shows that the waste is not preserved asas distinct zones in the l a n d f i l l refuse.Unfeasible. Information gathered during trt» Rlphase shows that the waste p i t s are not preservedas d i s t inc t zones in the landfill refuse.

U n f e a s i b l e . I n f o r m a t i o n ga ther ed d u r i n g th e Rlphase shows that the waste p i t s are not preservedas d i s t i n c t zones in the landfill r e fu s e .The pH of the leachate is atready neutral. It fse xpec t ed that s o l id waste is also neutral .U n f e a s i b l e . I n f o r m a t i o n gathered d u i i n g the Rlphase shows that the waste p i t s are not preservedas d i s t inc t zones in the landfill r e fu s e .U n f e a s i b l e , t n f o r m a t i o n gathered dur ing the Rlphase shows that the waste p i t s are not preservedas distinct zones in the l a n d f i l l refuse.

U n f e a s i b l e . I n f o r m a t i o n gathered d u r i n g the Rlphas e shows thai Ehe waste p i t s are net preservedas d i s t i n c t zones in the landfill r e f u s e .

U n f e a s i b l e . I n f o r m a t i o n gathered d u r i n g the Rlphase shows (hat the waste p i t s are not preservedas d i a t i n c t zones In the i a n d f i t l r e f u s e .U n f e a s i b l e . I n f o r m a t i o n gathered dur ing the Rlphase shows that the waste p i t s are not preservedas d i s t inc t zones in the landfil l r e f u s e .

Legend 1 ip[ Taer tno tog ta s that are screened out

November 1991 Page 2 of 3) 0 0 8 56 4

903-2223

W A S T E P I T S O I L SG E N E R A LRESPONSE A C T I O N S

TABLE 3-5I D E N T I F I C A T I O N A N D S C R E E N I N G O F W A S T E P I T S O I L S REMEDIAL T E C H N O L O G I E S A N D PROCESS O P T I O N S

R E M E D I A LT E C H N O L O G Y PROCESS OPTIONS D E S C R I P T I O N S C R E E N I N G C O M M E N T S

: f — — E

1 — — I

C o n t a m i n a n t s ar» leached out of uo l tdwaste with water or solvents (n-situ.The ( a a c h a l a is c o l f e c t s d and treated

j g . ' : " ' i System o f we f t s t o inject a j f into

also entp foyedS o l i d waste with e x t r e m e l y high or lowpH is neutralized with a c f d a or basest h r o u g h i n j e c t i o n

I n j e c t i o n o t o x i d a t i o n / r e d u c t i o n agent sto d e g r a d e c on taminant s

I n j e c t i o n and ex t iac t ion we l l sin troduc e microorgani sms andn u t r i e n t s t o d e g r a d e c o n t a m i n a n t s ,o xygen can tin s u p p l i e d via vapore x t ra c t i on w e l t sA p p l i c a t i o n o f massive electricalcurrent to the solid waste matrix.S o l i d waste, i s turned to g l a s se n t r a p p i n g or d e g r a d i n gcontaminants.

. I n f o r m a t i o n gathered d u r i n g the Rtphase shows that the waste is not preserved &sd i s t in c t zones in the (dmJfilE r e fu s e .

f f t & a u r t k n gathered <*Mdn0 ft* RJpâowr eftwwfflsaJ tm waeta (9 not preserved asdistinct zones in the fandfttt re fu se .

Unfea s i b l e . I n f o r m a t i o n gathered during tho Rlphase show* that the waste is not preserved aedistinct zones in the landlilf refuse. The pH otleachate is 7.0. It is not e xpe c t ed that the pH o(solid waste is extremely high or low.U n f e a s i b l e . I n f o r m a t i o n gathered dur ing the Rlphase shows that the waste Is not preserved asdi s t inc t zones in the landfill r e fu s e .U n f e a s i b l e . I n f o r m a t i o n (lathered during the REphase shows that the wa&te is not preserved asd i s t i n c t zones tr t t h e landf i l l r e f u s e . Process d i^cul tto c on tro l , may produce u n d e s i r a b l e i n t e r m e d i a t e s .

U n f e a s i b l e . I n f o r m a t i o n gathered d u r i n g the Rl phaseshows that the waste is not preserved as d i s t inc t zonesin the t a n d r t i t r e fu se . A p o t e n t i a l e xp lo s iv e s a f e t yhazard exists when methane is present. G e n e r a l l y nota p p l i e d below the water tabte due to extreme costs.

Legend 1 Technologies that ara scre&ned out

November 1991 Page 3 of 3 ) 0 0 8 5 6 5 903-2223

TABLE 3-6K J E N D R C A T t O N A N D S C R E E N I N G O F L E A C H A T E R E M E D I A L T E C H N O L O G I E S A N D PROCESS O P T I O N S

L E A C H A T EG E N E R A L R E S P O N S EA C T I O N S

R E M E D I A LT E C H N O L O G Y PROCESS O P T I O N S D E S C R I P T I O N

J — — — j N o t a p p J i c a b i e

J O f f i f t e d AoBonj institutional Actions

t Access restrictions

C a p p i n g

1 — j D e e d re s t f t cUoos

No action

Measures taken to timer acceee to (he siteMeasures t e fum k> butt accent to ths wte-Deeds for property in (tie area ot inf luence wouldinclude r e s t r i c t i ons on land use

G f o u n d w a t e ' f monitoring ~] M o n i t o r i n g o f w e l t sC F a y c a p

— j Composrte"cap"

•j Stt t r fy

Repair of e x i s t i n g compacted low p e r m e a b i l i t yc lay cover.

A p p l i c a t i o n o f a t h i n layer of a s p h a l t overcontaminated areasI n s t a l l a t i o n of a concrete etab over areas ofcontaminat ionC l a y and synthetic membrane covered by soilover areas of c o n t a m i n a t i o n

A trench excavated to b ed t o ck is R i l e d with a towp e r m e a b l e soil or eament b en ton i t e s turry.D e p t h to bedrock is 30-40 feetI n j e c t i o n o f b e n t o t t i t e s f u r r y under pressure in ar e g u l a r p a t t e r n c r e a t i n g a l ow p e r m e a b i l i t y curtainDriv ing metal sheet v e r t i c a l l y to create ani m p e r m e a b l e barrier(reaction o f b e n t o n i t e s t u r r y t h r o u g h d r i l l e d h o f e sf r a c t u r i n g bedrock and c r e a t i n g a horizontalbarr i er .

S C R E E N I N G C O M M E N T SRequired for consideration by the National Oit andH a z a r d o u s Substances C o n t i n g e n c y Plan.PotenaiaSy a p p f e s a f r t e .FoneM0 and itgm tee tdvauateto t ea f c access.Potatuia t fy appBcabf s .

Poten t ia l ly a p p l i c a b l e .P o t e n t i a l l y a o o ' - ' c a b t e .

S u s c e p t i b l e to cracking, not e f f e c t i v e .

S u s c e p t i b l e to c rack ing, not e f f e c t i v e .

P o t e n t i a l l y app l i cab l e .

P o t e n t i a l l y a p p l i c a b l e .

Not e f f e c t i v e in unconsoErdated a l l u v i u m or h i g h l y permeab l e ,bedrockNot e f f e c t i v e . S u b j e c t t o corrosion and di f f i cu l t t o over lap sheetand create a good seat.Not e f f e c t i v e in a f E u v i a l material or s o f t consol idated bedrock.Potential (or cr ea t ing f r a c t u r e d f l o w p a t h s and d e s t r o y i n gnatural barriers in bedrock.

Legend Technologies that are screened out

November 1991 Page 1 of 5 > 0 0 8 56 6 903-2223

T A B L E 3-6I D E N T I F I C A T I O N A N D S C R E E N I N G O F L E A C H A T E R E M E D I A L T E C H N O L O G I E S A N D PROCESS O P T I O N S

L E A C H A T EG E N H R A l R E S P O N S EA C T J O N S

R E M E D I A LT E C H N O L O G Y PROCESS O P T I O N S D E S C R I P T I O N S C R E E N I N G C O M M E N T S

J — f —

reinfection w^ttetntw cop** drains

lOtf^srtB dSsc s& fa*• - •'• - - - -•- • ' J— t — Fi I E-

— f D a s p vrett in jac t iocT

POTW

A series of p u m p i n g w a l l s are i n s t a l l e d witho v e r l a p p i n g radius of i n f l u e n c e creating a barrierto th e h o r i z o n t a l (low y f e o i t t a i m i n a n t sExtracted waU.. is reinjected to aid in (lushingc o n t a m i n a t e d lorie s

P e r f o r a t e d p i p e in trenche s b a c k f i l l e d w i th porousmedia and f i l t er f a b r i c t o co l l e c t c on taminat edwaterExtracted water is i r r i g a t e d on vege tated a r t j a s onthe site Some t r ea tment ma/ be achievedt h r o u g h areation. soil a d s o r p t i o n andpho t o ch emi ca l r ea c t i on sExtracted water is d i s charged to a local streamor Eaka

Extrac t ed water i s i n j e c t e d in d e e p w e l l s

Extracted water Is dt t> .hatged to the local POTWf o r t r e a t m e n t

U n f e a s i b i e . I n f o r m a t i o n co l l ec t ed d u f i n o . the Rl pha s e showsthat Indus tr i e! ieachate is not preserved as a d i s t inc t zone int f a t t e n d f i l t f t t f u w .

. Information cottocted duriftfl »he FB phasa showsthat industrial Ieachate is not preserved ss a d i s t inc t zona Inthe landf t l t refuse.U n f e a s i b l e , in format ion c o t F e c t e d d u r i n g the f t l phase showsthat indus tr ia l Ieachate is not preserved as a d i s t i n c t zone int h e l u n d S f t refuse.U n f e a s i b l e . I n f o r m a t i o n cot lec ted during the Rl phase showsthat industrial Ieachate is not preserved as a d i s t i n c t zone inthe tandt i l l refuse.

U n f e a s i b l e , i n f o r m a t i o n c o l l e c t e d d u r i n g the Rl phaso ut towothat industrial laachata is not preserved as a dist inct zone int h e l a n d t i l t r e f u s e .U n f a a s i b t e . I n f o r m a t i o n c o l l e c t e d dur ing the Rl phase showsthat indus tr ia t f ea cha t e is not preserved as a d i s t i n c t zone int h e t a n d f i l t r e f u s e .Unfea s i b l e . Informat ion cotlected during the Rl phase showsthat industrial I e a c h a t e is not preserved as a d i s t i n c t zone int h e l a n d f i l l r e fu s e .

Legend :Tecttnotog:ia& that are screened out

T 9 9 1 Page 2 of 5 ) 0 0 3 5 6 7 903-2223

TABLE 3-6tnsmncATiCN AND SCREENING OF LEACHATE REMEDIAL TECHNOLOGIES AND PROCESS OPTIONSL E A C H f t T EG E N E R A L R E S P O N S EA C T O N S R E M E D I A L

T E C H N O L O G Y PROCESS O P T I O N S D E S C R I P T I O N S C R E E N I N G C O M M E N T S

- i jSfc l b smiao s drains \———înterceptordrains

—|BJcto0sMJ treatment |— — [ A e r o b i c

— f

r s t r i p p i n g

—{Reverse osmosis

I — f Kestn absorption j

A. s e F t e = of p u m p i n g w e l l s are i n s t a l l e d with ano v e r l a p p i n g r a t f ius of i n f l u e n c e to extract t eachate

P e r f o r a t e d p i p e in (ranches b a c k f i t f e d with porous mediaand f i l t e r fabric to collect contaminated water

] D e g r a d a t i o n of organic? using microorganismsin an aerobic environment

D e g r a d a t i o n of orgarucs using microorgani smein an anaorobic environment

S o l i d i f i c a t i o n r>f c o t l o ida t solution into a g e l a t i n o u s phaseor a g g l o m e f ation of f i n e particles. T h i s sclid can then beremoved f r o m water by f i l t r a t i o n or g r a v i t y s epara t i on .


Nat a p p f i c a b f e tw extraction of teachate

P o t e n t i a l l y a p p t i c a b l a around p er ime t e rof the tand f iU

Not e f f e c t i v e on arsenic, barium, manganese and iron.P o t e n t i a l l y e f f e c t i v e on organic*

Not e f f e c t i v e on arsenic, barium, manganese and iron.P o t e n t i a l l y e f f e c t i v e on organics

E f f e c t i v e for to tal me ta l s and c o t l o i d a t solutions, not e f f e c t i v eon dissolved constituents.

M i x i n g l arge volumes of a!r /: i th water in a packedco lumn to promote t ran spor t o f voidE'te s to air

Use of high pressure to force water through amembrane l e a v i n g c o n t a m i n a n t s behind

Water is passed through a resin cotumn andc o n t a m i n a n t s are a c l s a r p t e d onto the resin.

W a t e r ts pas s ed t h t o u g h a carbon column andc o n t a m i n a n t s are adsorbed onto t t i e carbon

Not e f f e c t i v e for arsenic, barium, manganese and iron.P o t e n t i a l l y a p p l i c a b l e f or v o l a t i l e or^-nic compound* with theexcept ion of high waCur s o lub l e c o m p o u n d s (ketones).Lu^ concentrations of contaminants are not e f f e c t i v e l y treated.P o t 0 n ! i a i i y o f t c t i v e on m e t a l s

Potent ia l ly app l i cab l e

P o t e n t i a l l y f e a s i b l e for v o l a t i l e organic compounds with *hexcept ion of high water soluble compounds (ke tone s)

Legend ! Technologies that are screened out

November 1S91 Pago 3 of 5 ) 0 0 8 5 6 8 903-2:

TABLE 3-6I D E N T I F I C A T I O N A N D S C R E E N I N G O F L E A C K A T E R E M E D I A L T E C H N O L O G I E S A N D PROCESS O P T I O N S

L E A C H A T EG E N E R A L R E S P O N S EA C T I O N S


e u f t d f t t f c a i t f e a l r n e n T

-[Cftv-stie° i S p r a y ? r r t g a t i o f t

t — j u n - s f t a ai s c r ta fga" i r t a c ' e " w a t e r f T P P E S " " ' {

N O T E : Collection and discharge of lamJfiff (eaehate to a POTW without pr e t r ea tmant is f ea s i b t e .

S o l u t i o n s witK ex tremely h igh or low pH aren e u t r a l i z e d wi th acids Of base

~] The pH of water ie ad ju s t ed to a f t er the chemical

The pH of groundwalar is a lready neutral , ranging (torn $8-3.5

Potential^ applicable to metal*

Water i* pawed through a resm bead column where ions P o t e n t i a l l y a p p l i c a b l e to me ta l sare exchanged between resin and water

Degradation or destruction of contaminants is achieved Potentially appl i cab le for most contaminants except saturatedby f r e e radical o x ida t i on . UV l i g h t is used to s t i m u l a t e a l i p b a t i c sf r e e radical p r o d u c t i o n us ing ozone or h y d r o g e np e r o x i d e .The t i a n s f e r o( e t e c trons t h r o u g h Ehe i n t r o d u c t i o nof o x i d i z i n g of r e d u c i n g a g e n t s . O x i d a t i o n orreduc t ion of soluble spec i e s to i n s o l u b l e s p e c i e sa l l o w s f o r p r e c i p i t a t i o n .A p p l i c a t i o n of massive e l e c tr i ca l current to the soilm a t r i x the soil is hal ted and turned to g l a s se n t r a p p i n g or d e g r a d i n g contaminants.

1 Combustion in a horizontally rotating cylinderde s igned for u n i t o c m t r a n s f e r o f heat

P o t e n t i a l l y a p p f i c a b l a to m e t a l s and vinyl ch lor ide

Not g enera l ly a p p l i c a b l e in the saturated zone, requiresexcessive costs

Not applicable (or cnetals or low concentrations of organice

W a s t e i n j e c t e d into a hot a g i t a t e d bed of sand where Not a p p l i c a b l e for metal a or low concant:ation» of organic*combus t i on occurs de s igned for u n i f o r m t r a n s f e r o f heat1 E x t r a c t e d water is i r r i g a t e d on vegetated areas on-site. P o t e n t i a l l y a p p l i c a b l eSome t r e a t m e n t may be achieved through aeration, soila d s o r p t i o n and pho to chemica l reactions.

E x t r a c t e d water is d i s c h a r g e d to a local s tream or lake P o t e n t i a l l y a p p l i c a b l eExtrac t ed water i s i n j e c t e d in d e e p we l t s P o t e n t i a l l y a p p l i c a b l eExtracted water is discharged (o the locat POTW fort r e a t m e n t . Potent ial ly a p p l i c a b l e

Legend "$ |Si| TechnoicgiaG that ate screened out

Novemoer 1991 Page 4 of 5 ) 0 0 8 5 6 9 903-2223

TABLE 3-6I D E N T I F I C A T I O N A N D S C R E E N I N G O F L E A C H A T E R E M E D I A L T E C H N O L O G I E S A N D PROCESS O P T I O N S

L E A C H A T EG E N E R A L R E S P O N S EA C T O N S

R E M E D I A LT E C H N O L O G Y P R O C E S S O P T I O N S D E S C R I P T I O N S C R E E N I N G C O M M E N T S

j j — t n j e c t f o f i a n d extraction w e t ' s introducemicroorganisms and nutrients to degradecon taminant s , oxygen tan t»* nupptwd via vopofext tac t ton wel l s3&S* at sat&Qti ate y>rtjOed t fawnprat tem to ad&ccb

I n j e c t i o n of o x t d a t i o n f r e d u c t i o n agents to d e g r a d ec o n t a m i n a n t sS y s t a m of w e l l s to in j e c t air into groundwater toremove v o l a t i f e s by air s t r i p p i n g . Passiveb i o d a g r a d a t i o n I s a J s o e i r i p f o y e d .

Does not Mow (or treatment of inorganics

Hot bocrt f to dua to depch ot r o f t i s o and altuviaJ aquifer. Oncesaîfatad the carbon must be removed and regenerated!.

Prec ip i ta t i on of metal s ludge cannot be retrievedDoes not atlow lor treatment of inorganics or nonvolatileorgantco

LogencJ are screened out

Novomber Page 5 of > 0 0 8 57 0 903-2223

TABLE 3-7I D E N T I F I C A T I O N A N D S C R E E N I N G O F G R O U N D W A T E R R E M E D I A L T E C H N O L O G I E S A N D PROCESS O P T I O N S

G R O U N D W A T E RG E N E R A LR E S P O N S EA C T I O N S

R E M E D I A LT E C H N O L O G Y P R O C E S S O P T I O N S D E S C R I P T I O N S C R E E N I N G C O M M E N T S

I No act ion

I n s t i t u t i o n a l Acetone

M M o n i t o r m g(Conta inment J — I

J — — — [ N o t A p p l i c a b l e

— f

] N o A c t i o n

J M e a s u r e s taken to e l i m i n a t e access to the site

Required for consideration by the N a t i o n a l Oil and Hazardou sSubstances Contingency Plan

— j T o w n s h i p ordinances

2j M a a s u t e e t ak en to e l i m i n a t e access to the s i te

j Deeds for p r o p e r t y in the area of i n f l u e n c e wcu fdi n c l u d e r e s t r i c t i o n on land use

1 T o w n s h i p ordinance s would l i m i t use of groundwater ina f f e c t e d areas, would require a l t e rna t iv e water s u p p l y f org r o t i n d w a t e r users

Mot f e a s i b l e


G f g u n d w a ^ e F _ m o n i t Q r i n g _ _ _ _ M o n i t o r i n g o f w e l l sJ— — C t a y c a p

P o t e n t i a l l y a p p l i c a b l eOnly t p p t i c a b l e d ir e c t ly over the landfill . C a p p i n g ieconducted to reduce Infiltration and reduce leachalegeneration from the landf i l l

A p p l i c a t i o n of a t h i n l a y e r o! a s p h a l t over contaminated areas S u s c e p t i b l e to cracking, not e f f e c t i v e

Repair o f e x i s t i n g compacted tow p e r m e a b i l i t y c l a ycover

{ C o m p o s i t e c a p

— [ V e r t i c a l barrier a____j— —j awry wait

I n s t a l l a t i o n of a concrete stab over araas ofc on tamina t i onC l a y and syn th e t i c membrane covered by soil overareas of c o n t a m i n a t i o n

A trench excavated to bedrock is t i t l e d with a towp e r m e a b l e sot! OF cement bentoni t e slurry. D e p t h to-bedrock is 30-40 f e e t .

(Grout curtain' J i n j e c t i o n of bentonite s l u n y u n d a f pressure in a r egu larp a t t e r n c r e a t i n g a t ow p e r m e a b f l i t y curtainD t i v t n o m t t a t sheets v e r t i c a t t y to create art i m p e r m e a b l ebarrier

S u s c e p t i b l e to cracking, not e f f e c t i v e

O n l y a p p l i c a b l e d i r e c t l y over the l a n d f i l l . C a p p i n g i sconducted to reduce i n f i l t r a t i o n and reduce l a a c t t a t egeneration from t h e E a n d f i l tA slurry wall barrier is i n s t a l l e d to l i m i t S^.nzonta t migra t i on ofconlamioante

Not e f f e c t i v e in unconso l cdated a l l u v i u m or h i g h l y f vmeablebedrockNot a f f e c t i v e subject to corrosion and diff icult to o v e r l a p sheetsand create a good1 seal

Legend $3 Techno log i e s that are screened out

November 1991 Page 1 of 4 ) 0 0 8 5 7 1 903-2223

TABLE 3-7K J E N T O C A T I G N A N D S C R E E N I N G O F G R O U N D W A T E R R E M E D I A L T E C H N O L O G I E S A N D PROCESS O P T I O N S

G R Q U N D W A T E HG E N E R A LRESPONSEA C T O N S T E C H N O L O G Y PROCESS OPTIONS D E S C R I P T I O N S C R E E N I N G C O M M E N T S

Collec t ionT r e a t m e n tDischarge

I n j e c t i o n o f b e n t o n i t e s l u r r y t h r o u g h d r t t t e d holes( f a c t o r i n g b edro ck and c r ea t ing a horizontal barr i e r

A series of pumping walte are irvstafted with an owwtappinota&ue ot mttusAce a&aUtg a b^rrtet to tie horizontal f l o w

Not e f i ec t iva in a l luvia l matati«l or 8oR conso l idated bedrock.Potential fot creating f r a c t u r e d (tow p a t h s and de s t roy ingnatutaJ bartiaf s in bedrock.

— j Sobaurfaca d tama , — — — [ i n t e r c e p t o r d r a i n s

•~iOn-Bft& discharge I — — — [ s p r a y i r r i g a t i o n

Exttacted water ts r e injec t ed to aid fn f l u s r i i n gcon taminat ed zones.P e r f o r a t e d p i p e in trenches b a c k f i l l e d with porousmedia and f i l t er f a b r i c to collect contaminated water.Extrac t ed water is i r r iga t ed on v e g e t a t e d ) areas on -site.Some t r e a t m e n t may be achieved through aera t ion, soila d s o r p t i o n and p h o t o c h e m i c a l react ions.

S u r f a c e w a t e r - N P D E S _ _ _ j E x t r a c t e d water is d i s c h a r g e d to a toca f stream or lakej Extrac t ed water is i n j e c t e d in de ep w e l l a

I Extracted wit t t ir is d i s charged to tho local POTW for troatmsrvt

U n f e a s i b l e without treatment of rejected water

P o t a n E i a t l y a p p l i c a b l e

P o t e n t t a K y a p p l i c a b l e

P o t e n t i a l l y a p p l i c a b l eP o t e n t i a l l y a p p l i c a b l e

A series of p u m p i n g w e l l s aie i n s t a l l e d with o v e r l a p p i n g radiut t P o t e n t i a l l y a p p l i c a b l ei n f l u e n c e creat ing a banior to the horizontal f f o w ofc on taminant s .

:( t r a c t i o n wwl t« a n d m i n j o c t i c M iMa

c t o r f wat tx i s r o i n j e c t u t t (n aid in ( l u s h i n g c

j Subsurface drains

[ Bloiogteal t r e a t m e n t f — — - f A a r o b i c

Anaerob i c

P e r f o r a t e d p i p e in trenches b a c k f i l l e d with porousmadia and f i l t e r f a b r i c t o c o f t e c t contaminated water.D e g r a d a t i o n of o t g a n f c s u s i n g microorganisms in an aerobicenv i iunmontD e g r a d a t i o n ot organ ice using microorganisms in ananaerobic environment

P o t * n ! i « l l y (wasib ln


Not a t t o c t fv e> on arsenic, barium, manganese t*nd iron.P o t e n t i a l l y e f f e c t i v e on organicsNot e f f e c t i v e on arsenic, b f t f i u m , martgantt s e and I r o n ,Potervt ia l ty e f f e c t i v e on organics

Lwgend '^f-\ Technologie s that are screened out

November t991 Page 2 of 4 >0 0 8 5 7 2

TABLE 3-7I D E N T I F I C A T I O N A N D S C R E E N I N G O F G R O U N D W A T E R R E M E D I A L T E C H N O L O G I E S A N D PROCESS O P T I O N S


REMEDIALT E C H N O L O G Y P R O C E S S O P T I O N S D E S C R I P T I O N S C R E E N I N G C O M M E N T S

~ l P h y K t o a j treatment f Coagulation

— f Reverse oemoai f l

— { C a r b o n ad sorp t i on

-f Chemtedt treatment _J-

( C h e m i c a l p r e c i p i t a t i o n

"TJp_n exchange

UV ox ida t i on

— [ O x i d d t i o n f t e d uction

f S o i i t v i t r i f i ca t i on

-f

F E u i t f t z « d f e ed

S o l i d i f i c a t i o n o f c o l l o i d a l s o lu t ion into a ge la t inou s phase. T h i s•otid can than be f i l t e r e d tu temove tf f rom walw

J *gg*'-«w<»»an of *rw pwf t c t e« j*wiog for gravity separation.

M i x i n g t a r g e volumes o* atr with water in a packedcolumn to p r o m o t e t ran spor t of v o t a t i l e s to air

J Use of high pressure to force water through a membranel e a v i n g c o n t a m i n a n t s behindJ W a t e r is passed t h r o u g h a resin column and con taminant s are P o t e n t i a l l y a p p l i c a b l eadaotbad onto the resin.

E f f e c t i v e for total metals and col lo idal solutions, not e f f e c t i v eon dwcolwd carutituanlB.E f f e c t i v e for total metals and co f lo tdat solutioos. not e f f e c t i v eon dissolved constituents.Not e f f e c t i v e for arsenic, barium, manganese and iron.P o t e n t i a l l y e f f e c t i v e f o r vo la t i l e organics.Low concentrations of cor lamlnants are not e f f e c t i v e l y treated.P o t e n t i a l l y e f f e c t i v e on matals

J W a t e r is passed t h r o u g h a carbon column and contaminantsare ad sorped onto the cacbo t tS o l u t i o n s w i t h e x t r e m e l y h i g h or low pH are n e u t r a l i z e dw i t h acids or baseThe pH of wate. is a d j u s t e d to a l t e r the chemicale q u i l i b r i u m t o reduce a o l u b f l i t y and p r e c i p i t a t e me ta l sW a t e r is passed t h r o u g h a resin b«ad column whereions are exchanged between resin and waterD e g r a d a t i o n or d e s t r u c t i o n of c on taminant s is achieved by f r e erad i ca l o x i d a t i o n UV l i g h t i s used to s t i m u l a t e rad i ca lp r o d u c t i o n f r o m ozone or h y d r o g e n p e r o x i d e .T h e t r a n s f e r o f e l ec trons t h r o u g h t h e i n t r o d u c t i o n o fo x i d i z i n g or r e d u c i n g agent s . O x i d a t i o n or r e d u c t i o n off c o l u t i f a s p s c i ' j s t o i n s o l u b l e s p o c t e s a l l o w s t o r p r e c i p i t a t i o n .A p p l i c a t i o n of massive e l e c t r i c a l current to the soilm a t r i x , the soil is hea tad and turned to g l a s se n t r a p p i n g or d e g r a d i n g c on taminant s .Combus t ion in a hot ( z o n t a l l y r o t a t i n g c y l i n d e r d e s i g n e dt or u n i f o r m t r a n s f e r o f heatW a s t e in j e c t ed in t o a hot a g i t a t e d bed of sand wherecombus t ion occurs


The pH of groundwaier i s a l r eady n e u t r a l , t a n g i n g f r o m 6.5-8.5

Poten t ia l ly a p p l i c a b l e to meta l s

P o t e n t i a l l y a p p l i c a b l e to metal s

P o t e n t i a l l y a p p l i c a b l e f or most c on taminant s except saturateda t i p h a t i c s

P o t e n t i a l l y a p p l i c a b l e to m e t a l s and vinyl c h l o r t d e

Not a p p l i c a b l e bt»tow the groundwalor tab l e

Not a p p l i c a b l e for me ta l s or tow concentrations of organic*

Not a p p l t c a b i e for me ta l s or low concentrations of organtcs

Legend ( T o c t m o t o g t e s that are screened out

November 1§9t Page 3 of 4 > Q Q 8 5 7 3 903-2223

TABLE 3-7AND SCREENING OF GROUNDWATER REMEDIAL TECHNOLOGIES AND PROCESS OPTIONSG R O U N D W A T E RG E N E R A LR E S P O N S EA C T I O N S


•—[On-stta d t a c h a f p e J — — — j S p r a y i r r iga t i on E x t r a c t e d water is i r r i g a t e d on vegetated areas on-sita.Some t r e a t m e n t may be achieved through aeration, soiladsorption and photochemical reactions.

M OO-ate J t o f f t a r g a < — t — 1 Swiasc* water WPQES— { P e e p weti inject ion

POTW

J — — — [ s ^

*s d t s c fwroe t f to a toea* vaeam or la f c eExtracted water is injected: in de ep wetlsExtracted water is d i s charged to the local POTW fort r e a t m e n t .I n j e c t i o n a n d e x t r a c t i o n w a f l s in troduce mi croorgani smsand nutrients to degrade contaminants, oxygen can bes u p p l i e d v ia vapor e x t r a c J i o n wei!s

i teaf -f' t i j — — [ f i e f meabte treatment bedt j Beds of carbon are i n s t a H e d downgrad i en t to adsorbc o n t a m i n a n t s

.] f n j e c t i o n o f o x i d a t i o n / r a d n c t i o n agent s t o d e g r a d ec o n t a m i n a n t s


P o t e o t o J I y appticabiePotent ia l ly app t i cab t eP o t e n t t a t i y app t i cab ia

Does not al tow tor treatment of inocganhs

Not f e a s i b l e due t o a l f u v i a l a q u i f e r d e p t h . Once s a t u r a t e d thecacbon must he (amoved *nd

System of w e l t s to i n j e c t air tn t o grour tdwat er to removev o f a t i l a s by a t r s t t i p p i n g , Pass ive b i o d e g r a d a t i o n i s al soe m p l o y e d .

Precipi ta t ion of metal s l u d g e cannot be retrieved

Does not aitow for treatment of inorganics or n o n v o l a t i l eorganic s

out

Page 4 of 4 ) 0 0 8 57 4 903-2223

TABLE 3-8E V A L U A T I O N O F W A S T E P I T S O I L S P R O C E S S O P T I O N S

W A S T E P I T S O I L SG E N E R A LR E S P O N S E R E M E D I A LA C T I O N S T E C H N O L O G Y PROCESS O P T I O N S E F F E C T I V E N E S S 1 M P L E M E N T A B I U T Y C O S T

|No Action } — f' n-n Coee not achieve reafrddud acfcoa obâefiwae[Liffuted A£tJons^~ -|Acc«8SP8saicfions |~ " J P a e d r e a m g C i O C T a

4 Fencing and signs

-| Monitoring

[Conta inment |- " j C a p

j Depends on continued f u t u r e impl ementa t i on . Do«enotreduce contamination.E f f e c t i v e in l imi t ing access to waste pit soils and inp t e v e n t m g breach of cover sys t ems. Doen not reducecon tamina t i on .

Kot aceopca^to Bo tegutatofy ao8w*ite»I m p l e m e n t a t i o n requires logal authority andcooperation of local authoritiesEasily implemented, lancing exists around thet a n d r i l l

J — [ G c o u n d w a t e ? monitoring j U s e f u l f or do cumenta t i on o f r emedia l action progress. Does Eas i ly i m p l e m s n t a b f e .not reduce c o n t a m i n a t i o n

p--f Clay cap

f-| Composi te cap

-fe&rtical g a f r i e f B J — [ S l u r r y wall

\ E f f e c t i v e , somewhat s u s c e p t i b l e to cracking and1 erosion E a s i l y i m p l e m e n t e d . An ex i s t ing c l a y cover is inp l a c e

V e t y e f f e c t i v e , f e s s s u s c a p l i b l e t o c ra ck ing than c l a y caps E a s i l y i m p l e m e n t e d .

E f f e c t i v e for al luvial f i o w containment, may allow f r a c t u r e f l o w Difficult to implement . Requires trenching 3Oand hof izontat f l o w io the Garber W e l l i n g t o n to 40 f e e t to bedrock and b a c k f i l l i n g with a

b e n t o n l t e s l u r r y

N e g l i g i b l eLow Cost

Low Cost

Low to M o d e r a t e C a p i t a l ,Low to Moderate O & M,Low to Modera t e C a p i t a l .Low to M o d e r a t e O & MModera ta t o H i g h C a p i t a l .Low to Moderate 0 & M,

H i g h Capi ta l .Low O & M.

Wowember 1991 ) 0 0 8 57 5 903-2223

TABLE 3-9L E A C H A T EG E N E R A LR E S P O N S E R E M E D I A LA C T I O N S T E C H N O L O G Y

{ N o A c t k m j — { N o o eJLtBWteti Actwos {-j-j Aeeass fettncrtieRS

E V A L U A T I O N O F L E A C H A T E P R O C E S S O P T I O N S

PROCESS O r T I D r V S

| — | Wot a p p t i -able[-yJDeed f^sfrk-acae

E F F E C T I V E N E S S

J Does not achieve remedial act ion o b j e c t i v e sj Dapemia on coouaued f u t u r e vnpt&m&tt/taSiosi. Do&s not

H v l P L E M E N T A B t L I T Y

N ' o t acceaatbte t o r a g utatory authori t ie sLegal i aquir ecrtenU and authority

COSTN e g l i g i b l eLow Cost

j Fencing and signs E f f e c t i v e in l imi t ing access to f eachate and in preventing Easily implemented, f en c ing exists around thebreach of cover systems. Does i ot reduce contamination. l a n d f i l l

MoniSorinQ J — [ G r o u n d w a t e r monitoring j U s e f u l tor documenta t ion of r e m e d i a l action purposes. Does E a s i l y i m p l e m e n t e d .not reduce contaminat ion

[Containment C l a y cap_ j E f f e c t i v e , somewhat s u s c e p t i b l e to cracking and erosion E a s i l y imp l emen t ed . An e x i s t i n g c lay coverIs In place

Composi te cap

' -{Ver tTca t Barriers ] — [ S t a r r y waj[

J V e r y e f f e c t i v e . l e s s s u s c e p t i b l e t o c r a c K t n g than clay caps Eas i ly i m p l e m e n t e d .

- -fcxtracBon 1 — j Extraction jve i l s

I Subsurface drains [ — [ I n t e r c e p t o r j f s n c h e i T

T Aerobic

Artecob i c

-f Physical t r a a J m e n T [ — -{"Aif s t r i p p i n g

-j Reverse osmosis

E f f e c t i v e for alluvial f l o w containment, may allow fracture f l o wa n d hor i zon ta l f l o w i n t h e G a r b e r W e l l i n g t o n

E f f e c t i v e for removal of If achata

E f f e c t i v e f o r removal o f l e a cha t e a t p e r i m e t e r o f l and f i l l

E f f e c t i v e for a wide range of organtc s but at varying rates ofd e g r a d a t i o n , i n e f f e c t i v e ( o r r t i s t a l sE f f e c t i v e for a w i d f l range of organic s , but at varying rates ofd e g r a d a t i o n . I n e f f e c t i v e f o r m e t a f sE f f e c t i v e f or v o l a t i l e o rgan i c s that are no t h i g h l y waterso luabte- I n e f f e c t i v e f o r m e t a l sE f f e c t i v e for m e t a l s and organics. Low concentrations ofc on taminant s are not e f f e c t i v e l y t r e a t e d .

D i f f i c u l t to implement. Requires trenching 30to 40 teat to bedrock and b a c k f i l l i n g with ab e n t o r t i t e s lurryEasily implemented. Requites the installation ofseveral l a r g e diameter extraction w e l l s

Low Cost

Low to Modera t e C a p i t a l ,L o w t o Moderate C A M ,Low to Moderate C a p i t a l ,Low to Moderate O & M

Moderat e t o H i g h C a p i t a l ,Low to Modera t e O & M,

H i g h C a p i t a l ,Low O & M.

H i g h CapitalM o d e r a t e to H i g h O A M,

£-j f c e s in a d s o r p t i o n j E! f«c i :ve for o rgan i c s

Effec t ive ' (or some me'nf s and for organics that are not h i g h t ywater s o l u b l e .

D i f f i c u l t t o i m p l e m e n t . Requires d e ep trenches t o H i g h C a p i t a l30-40 feet through the alluvial a q u i f e r or r e f u s e Moderate to H i g h O & M,E a s i l y i m p l e m e n t e d . Requires a biological reaction Low to M o d e r a t e C a p i t a lchamber. Produces waste s ludge . L o w O i MEas i ly imp l emen t ed . Requires a b io logical reaction Low C a p i t a lchamber. Produces small amounts o f waste s l udge L o w O & MEasi ly i m p l e m e n t e d . Readily available equipment Low to Moderate Capfttt t ,Air d i s c h a r g e permit p o t e n t i a l l y required. Low to M o d e r a t e O & M.Eas i ly impl ement ed . A f f e c t e d by high TOS and iron H i g h C a p i t a l ,concentrations. Produces secondary waste. H r g h C & M ,E a s i l y I m p l e m e n t e d . Requires r ep lacement o r H i g h C a p i t a l ,regenerat ion of saturated resin beads High O & M,E a s i l y i m p l e m e n t e d . Requires replacement or H i g h C a p i t a l ,regeneration of saturatod carbon High O & M.

November 1991 P a g a t of 2 > Q Q 8 5 7 6 903-2223

L E A C H A T EG E N E R A LR E S P O N S EA C T I O N S

R E M E D I A LT E C H N O L O G Y PROCESS O P T I O N S

TABLE 3-9EVALUATION OF L E A C H A T E PROCESS OPTIONS

E F F E C T I V E N E S S I f v f P L e M E N T A B f L I T Y C O S T

- - jChgmicai Uaatmeht ^ - y - ( C h e m f c a l P r p c t p i t a t i o n _ "71 E f f e c t i v e for me ta l s , nut e f f e c t i v e for organics

I Ion exchange """] E f f e c t i v e f or m e t a t s , not e f f e c t i v e tor organic s

Uv oxidation

j — [ S p f a > i rr iga t i on '

E f f e c t i v e on most organics except saturated al iphat ic?,d e g f a d a t t o r i enhanced by a d d i t i o n oC hydrogen p e r o x i d e orozone. I n e f f e c t i v e f o r m e t a l sE f f e c t i v e f o r m e t a l s , n o t a p p l i c a b l e f o r organic s

E f f e c t i v e d i s charge method. Does not treat me ta t s and rel ie sor . the a d s o r p t i v e q u a l i t y o f receiving soil s . T h i s methodt r a n s f e r s the metal c o n t a m i n a n t s and concentra t e s t h e m inr e c e i v i n g s o i l s . Does not e l i m i n a t e c o n t a m i n a t i o n .

j-- - f S t i r f a e t t w a t e f - H P d E S ~^ ~| E f f e c t i v e and reliable di scharge method. Does not eliminatec o n t a m i n a t i o n and r a t i o s on d i l u t i o n

- j p e e p weH i n j e c t i o n

F P O T W

E f f e c t i v e me thod . T h e p o t e n t i a l f o r f r a c t u r i n g receivingf o r m a t i o n s ex i s t s . Does not e l i m i n a t e c ontaminat ion.H a z a r d o u s consti tuents cannot be discharged

E f f e c t i v e method in c ombinat i on with s econdary treatment

R e a d i l y i m p l e m e n t a b l e . Produces a metaf s ludgethat must be p r o p e r l y disposed Moderate t o H i g h C a p i t a l ,

Moderat e to High O & M,R s a d i f y tmp i emen tab l e . i on exchange beads must H i g h C a p i t a ! ,be r e p l a c e d on a regular basts. S a m p l e s must bo M o d e r a t e to H i g h O & M,taken to monitor for breakthrough. Producess e c ondary wasteR a a d i f y implemented Moderate to H i g h Capi ta l .

Moderat e to H i g h O & M,

t m p t a m e n t a b t e . Produces a metal s l u d g e that must M o d e r a t e to High C a p i t a l ,be proper ly dispos«d Moderate to High O 4 M,E a s i l y i m p l e m e n t e d . Requires a iarge vegetated Low C a p f t a l ,area ( o r i r r i g a t i o n . Peemit required. L o w O & M ,

Implemen tab l e . N P D E S discharge permit requlrad Low C a p i t a l ,Low O & M.

V e r y d i f f i cu l t t o i m p l e m e n t . Requires d r i l l i n g o f a M o d e r a t e t o H i g h C a p i t a ld e e p w e l l . P o t e n t i a l l y an abandoned oi l well could Modera t e to H i g h O i M .be used. UtC discharge permit requited.Use of a l o c a f e x i s t i n g UIC w o l f would be easy toi m p l e m e n t .Modera t e to diff icult, requires a discharge hookup Low C a p i t a l .to the sanitary sewer Low O & M.

N O T E : Collection and discharge of land.SH teachate to ft POTW without pr e t r ea tment may bo f o a s i b f o .

Novatnber 1991 Page 2 of 2 ) 0 0 8 5 7 7 903-2223

TABLE 3-10E V A L U A T I O N O F G R O U N D W A T E R P R O C E S S O P T I O N S


R E M E D I A LT E C H N O L O G Y P R O C E S S O P T I O N S E F F E C T I V E N E S S I M P L E M E N T A B S L t T Y COST

[ N o .Actionlawied Actionsf o s t i tu t i onaf Actions

j — — [ N o t A p p t t c a h E e Does riot a c t i i e v e remedial a c t i on o b j e c t i v e sEAecest R a ^ i s t j o n g j — — [ T o w r i s h i p O r d i n a n c e g I D o p e n d s on continued f u t u r e i m p l e m e n t a t i o n . Does not

reduce c o n t a m i n a t i o n .

Not a c c e p t a b l e t o r egu la t ory authori t i e sI m p l e m e n E a b l l i t y d epend s on legal requirements anda u t h o r i t y ceouiras coopetation of local auUuxi t ta s

ir foretof ing j U s e f u l (or d o c u m e n t a t i o n of E amat i i s i action progress . Does Eas i ly impienmnUble .not reduce c o n t a m i n a t i o n .

N e g l i g i b l eModerate t o H i g h C a p i t a lL o w O & ULow to M o d e r a t e C a p i t a l .Low to Moderate 0 4 M

f Containment j ~ - [ C l a y c a p

^Composite cap

4 Vertical Barriers "]——[SjunyWalT

E f f e c t i v e , somewhat s u s c e p t i b l e t o cracking E a s i l y i m p l e m e n t e d . An e x i s t i n g ctay coveris in p lac e .

| Very e f f e c t i v e , l e s s s u s c e p t i b l e to cracking than c lay caps EaeiEy i m p l e m e n t e d .

Low Eu Moderate C a p i t a l .Low to Modera t e O £ M

Moderate t o H i g h C a p i t a l ,Low to M o d e r a t e O & M.

E f f e c t i v e f or a t l u v i a f (tow conta inment , rway al tow f r a c t u r e (low V a r y d f f t fau t t t o imp l emen t . Raqufr ea trenching 30 to 40 Hfgh C a p i t a l .and h o r i z o n t a l f l o w into the G a r b e r W e l l i n g t o n f e e t to bedrock and b a c k f i l l i n g with a b en t on i t e s l u r r y Low O & M,

- -[Extraction J — — [ E x t r a c t i o n well a

rsubsurtaoe ' d r a i n s ' " ! — —

[ O t v - 8 i t e d i s c h a r g e r ! — — [ S p r a y l r r i g a t i o r T

J E f t e c t i v o (of p lum* c on ta inment

E f f e c t i v e f o r p l u m e containment

E a s i l y i m p l e m e n t e d . Requires tha i n s t a l l a t i o n ofsdve ta l l a r g e d iamet er d e e p extraction wat t s

Difficult to i m p l e m e n t . Requires d e e p trenches to30-40 f e e t t h r o u g h the a l l u v i a l a q u i f e r

Moderate t o H i g h C a p i t a lModerate O A M .

H i g h C a p i t a lModera t e O & M ,

j E f f e c t i v e d i s c h a r g e method. DOOB not treat m e t a l a and r e t l e e E a s i l y i m p l e m e n t e d Require* a targe vegetatad area Low to Moderate C a p i t a l ,on the a d s o r p t i v e q u a l i t y of rece iv ing soils. T h i s method for i r r i g a t i o n . Permit required. Low 0 & M.t r a n s f e r s the metal c o n t a m i n a n t s and concentrate s t h em inreceiving s o i f s . Does not e l i m i n a t e c o n t a m i n a t i o n .

L - j O f f - s i t e discharge \— - [ S u r f a c e w a t e r - N P D E S [ e f f e c t i v e and r e l i a b l e d i s c h a r g e method. Does not e l i m i n a t e E a s i l y i m p l e m e n t e d . NPOES di s charge permi t required Low C a p i t a l .c o n t a m i n a t i o n and r e l i e s on d i l u t i o n Low O & M,

i n j e c t i o n

4POTW

E f f e c t i v e me thod . T h e p o t e n t i a f f o r f t a c t u r i n g rece ivingf o r m a t i o n s ex i s t s . Does not e l i m i n a t e c o n t a m i n a t i o n .H a z a r d o u s c o n s t i t u e n t s cannot be d i s c h a r g e d

E f f e c t i v e method in combination with secondary treatment

V e r y d i f f i c u l t t o i m p l e m e n t . Requires d r i l l i n g o f a d e e p H i g h C a p i t a lw e l l . P o t e n t i a l l y an abandoned oi l wel l could be used. M o d e r a t e O & M ,UiC discharge permi t required.Use of a l o ca l , ex i s t ing UIC well would be easy to M o d e r a t e Costi m p l e m e n tM o d e r a t e to diff icult, requires a di scharge hookup totha sani tary sewer M o d e r a t e C a p i t a l ,Low O & M.

November 1991 Page 1 of 3 0 0 8 5 7 8 903-2223

T A B L E 3-tOE V A L U A T I O N O F G R O U N D W A T E R PROCESS O P T I O N S


R E M E D I A LT E C H N O L O G Y PROCESS O P T I O N S E F F E C T I V E N E S S I M P L E M E N T A B I L r r y COST

{ C o l l e c t i o nTraaBnenr

- fPfeys i ea l treattnaw }- - | A i r s t r i p p i n g

racttan j — { E x t r a c t i o n w e l t s I E f f e c t i v e lor p l u m a •;on tainment

at fuTJ—jjnte fgeptor trenches ~[ Elect ive for p l u m e c o n t a i n m e n t

E a s i l y i m p l e m e n t e d , Requires th e i n s t a l l a t i o n o fseveral larg e diameter d«ep extraction wel t s

D i t f i c u r t to f m p f e m w t f . Requires deep trenches to30-40 fee t through the alluvial a q u i f e rA e f b i e 1 E f f e c t i v e for a wide range of organics but at varying rates of Easily implemented. Requires a biological reaction

I Aner o&icd e g r a d a t i o n . I n e f f e c t i v e f o r m e t a l sE f f e c t i v e for a wide range of organics. but at varying rates ofd e g r a d a t i o n . I n e f f e c t i v e t o r m e t a l sE f f e c t i v e [ o r v o l a t i l e organic s that s r e n o t ' i l g h l y waterso iuabla. i n e f f e c t i v e f o r m e t a l s

-j Reverse osmosis ~~j E f f e c t i v e for m s t a t s and organrcs. Low c onc en t ra t i on s ofcontaminant s are not e f f e c t i v e f y treated.

-fRes ir t adsorpt ion

-{Carbon ad sorp t i on

E f f e c t i v e f o r organics

E f f e c t i v e for some m e t a l s and for organic s tha t are not h i g h l ywater s o l u b f e .

-f Chemicat treatn^9fi t |-^Cli^jcaTPrecTpitat iQn ] E f f e c t i v e for m e t a l s , not e f f e c t i v e for organics

pf ton exchange

-jUV oxidation

E f f e c t i v e f o r m e t a l s , n o t e f f e c t i v e f o r organic s

E f f e c t i v e on most organics except saturated a l i p h a t l c s ,d e g r a d a t i o n enhanced by a d d i t i o n of hydrogen p e r o x i d e orozone. I n e f f e c t i v e t o r mo ta t s

•jOxidation/reduetion [ E f f e c t i v o (or m e t a l s , not a p p l i c a b l e (or o r g a n f c s

- f O n - f f l t e d f s e h a r g e f — — [ S p f a y irrigation E f f e c t i v e d i s charge method. Does not treat metal s and r e l i e son the a d s o r p t i v e q u a l i t y o f rece iving s o i l s . T h i s methodtra i s f e r s the metal c on taminant s and concentrate s them inreceiving s o i l s . Does not e l i m i n a t e c o n t a m i n a t i o n .

chambar. Produces waste e J u d g a .Easily implemented. Requites a biological reactionchamber. Produce s smalt amounts of waste s l u d g e .E a s i l y I m p l e m e n t e d . Readily ava i lab l e equipmentAir d i s cnarga permit p o t e n t r a K y required.E a s i l y impl ement ed . A f f e c t e d by high TDS a.<d I r o nconcentrations. Produce s secondary waste.

Eas i ly i m p l e m e n t e d Requires reptecernsnt orr eg enera t i on of saturated resin beadsE a s i l y i m p l e m e n t e d . Requires replacement orregenerat ion of saturated carbon

R e a d i l y impiem"intab!e. Produces a metal K l u d g e thatmust be p r o p e r l y d i spo s ed

R e a d i l y impieman t a b l e , ion exchange beads must ber e p l a c e d on a regular basis. S a m p l e s must be taken ?cmonitor for breakthrough. Produc-wo b«c;ondary wasteR e a d i l y i m p l e m e n t e d

[ m p l a m e n t a b l o . Produces a metal s l udge that mustbe p r o p e r l y d i s p o s e d

E a s i l y i m p l e m e n t e d . Requires a large vegetated areafor irr igat ion. Permit required.

H i g h C a p r i t a fModerate O&tA.

H i g h Capi ta lModerate O & M.Low to Moderate CapitalL o w O & MLc/ s Capi ta lLow O & MLow to Modera t e C a p i t a l .Low to ModerateO & M.

H i g h C a p i t a l ,H i g h O i M ,

H i g h C a p i t a l .H i g h O & M.H i g h C a p i t a l .H i g h O & M .

M o d e r a t e t o H i g h C a p i t a l ,Moderate t o H ' C h O 5 M ,

H i g h C a p i t a l .Modera t e to H i g h O & M.

Moderate t o H i g h C a p i t a l ,Modera t e to H i g h O 4 M,

Moderate "o High C a p i t a l ,Moderate to H i g h O & M,

Low C a u i t a f ,Low 0 & M,

Novambaf 1991 Page 2 of 3 ) 0 0 8 5 7 9 903-2223

TABLE 3-10E V A L U A T I O N O F G R O U N D W A T E R PROCESS O P T I O N S

G F t O O N D W A T E RG E N E R A LR E S P O N S EA C T I O N S T E C H N O L O G Y PROCESS O P T I O N S

l-f O f f - s i t e discharge fr-~J S u f f a c e w a t e r - N P D E S

— J Deep we f l injection

L j P O T W

E F F E C T I V E N E S S1 E f f e c t i v e and re i iab 'a d i s charge method. Does not e l i m i n a t e

contaminat ion and r e l i e s on d i l u t i o n

~j E f f e c t i v e method. The p o t e n t i a l f or f r a c t u r i n g receivingf o r m a t i o n s exi s t s Does no t e ' lTwnata contafrunstioa.Hazardou s c on s t i t u en t s cannot be discharged

[ E f f e c t i v e method in combination with secondary treatment

I M P L E M E N T A B f U T YI m p l a m e r t t a b l d . N P D £ S di s charge permit required

V e f y d f f t i c u i u o i f n p f a f f w n t B e > q u t f a » d r t t i n g o f « £ f o a pL J f C discharge permit F e q u & e d ,Use o( a focal exis t ing UtC wdll would be easy toimplement .Moderate to d i f f i c u l t , require* a discharge hookup tothe sani tary sewer

COSTLow C a p i t a l ,L o w O & M .

Moderate Co Higft Capi ta lModerate to H i g h O 4 M.

Low C a p i t a l ,t . o w O S M .

November 1991 Page 3 of 3 ) 0 0 8 5 8 0 903-2223

C DCOoo

TABLE 4-2A P P L I C A B L E O R R E L E V A N T A N D A P P R O P R I A T E R E Q U I R E M E N T S

F O R C H E M I C A L S O F P O T E N T I A L C O N C E R N A T MOSLEY ROAD S A N I T A R Y L A N D F I L L

OoD.f f i>CO0)o2.CJ-o

1 .1 . 2 ~ T r i c W o f o e t h ° ~ * 9t . l - D i c h l o f O e t f u *1.2-DicWoroethenet.2-Dtchtofop*ojw*te*2 - C h k f f o p f t - n o f4 - N f C f o p l w n o t4-Chl«»-3-Mthytpt i eMl4 . 4 ' - D D D4 .4 -DOTAcenaphtheneAcetonealpha-SHCa t p h x - C h l o f d a n e q/A l u m i n u mAnthraceneArsenicbariumBcnzonoB&nzofajantr traceneBm_o(a)pytmeBanzoCWftuoranthena8ar.zo(g .h,t)p«ryt enaBenzo(k)ftuoramheneSeryt l i t rmbeta-SHC3is(2-e thyihexyQpMhaf£i t eûtyfbanzytph thalaEeCadmiumCarbon D l s u l f i d a

IfltsbwA v. -.;] ;. sow*

O.OOSn/ O.OOSn/-

007/0.1 of 0.07/0.1 of0.005 rtf

_--_

-

0.004V/ 0,0002 uM0.002 n!

0.05 0.05: .0 /5n/ Snf0.005

0.0001 n/0-0002 n/0.0002 n/

-O.OOO2 nf0.001 n/0.004 vf 0.0002 u/v/0.004 n/

0.1 n/O . O t / O . O O S n / O.OOSn/

-

; "*•'•'•' --.• •/••'•.. .,,• , ,.-:., '. >.;s;:< &• : : .•:'- -; .: ': : g.,- ^«$; :&&& ^ ^ ^ W^ ^ ^ ^ 3^f : 3 ; | . !«;»£!«P:V, :::, .,;%^F '^$£M$$&W^$^P<Wi^' ^ (liil^^î^*iP^l'P^^:;;^^ 1;1" = fh£?¥ ^^f. . .- ..WQC.-' ' [ . . . - " -V^-Aqua^t i f o '^ lp;-^;^;::^

Drmfcing Wat^r c/ ( Ac«t» [ : Chrocw • : i i m t t e a ' o n t t * : ! : " S u p p i t e s i f ; Gconndwate fo f | Acute : Ctwontci — — — — — — — — — — — — — — — — — i — — — — — — — — — — — — — — — [ — — — — — — — — — — ; — — . — — i — — — — — u — — ; — — — J — — ' — — — — _ — — , — — — - — y — ' - — — - — — . — _ — — — ~ — — —

0{0,QOQ6jk/ 9 4 m / - - - O.OOO/- 0.0003

0(0 OOO94) k/ T i m / - - - O.OOOS_ „ - _ _

4.3 m/ 2.0 m/ 0.2 W/ - -0.23 m/ 0. IS m/ 0.2 w/

3f/ - - 0.2 w/ - _ __ _ _ _ . ,

0(>0 000001 2) k/ 0.0011 O.OOOOOtO - - • 0.0011 a.00000100(0.0000031) k/p/ 1 .7 m/ 0.5 m/ - - - -

- 0.00270(0.000013; k/ 0 .002V/ 0.00003 v/ - 0.004 vf - 0.002V/ 0 00008 vf0(0 000022) k/ 0.3024 0.0000043 - 0.0024 00000043

0(0.f>000031) k / p / - - _ _ _ _ _0(0.000025) k/ O.S(V)/0.3{lff) m/ 0.004S(V)/0.1(W) 0.2 0.10 - 0.36 C . 1 S *

5 1.00 - - .0(0.00067) kf 5 .3m/ - - 0.0002 - 2.20 j

0(0.0000031) k / p / - - - - _ _ !0(0.0000031) k / p / - - -0(0.0000031) K / p / - - _ _ _ _ _0(f».0000031) k / p / - - _ _ _ _ _0(0.0000031) fc/p/ - - -CfO.OQOOOSt;) k/ 0.1 m/ 0.0053m/ - - -0(0. 0000232) fc/ 0.002v/ 0. 00003 v/ - 0.004 vf - 0.002 v/ 0.00003V/

0.94 ml 0003m/ - 0.003s/ - -0.94m/ 0.003m/ - 0.150 - -

0.01 0.0086 r/ 0.0020 r/ 0.03 0.020 - 0.0736 0.0070- - - 0.0002

November 1991 Page 1 of 3 ) 0 0 8 5 8 2 903-2223

T A B L E 4-2A P P L I C A B L E O R R E L E V A N T A N D A P P R O P R I A T E R E Q U I R E M E N T S

F O R C H E M I C A L S O F P O T E N T I A L C O N C E R N A T M O S L E Y ROAD S A N I T A R Y L A N D F I L L

o2.c.VfCOooCO

Carbon TetracWorideChlorobenzene

^ C M a f t t t t W t eChromiumChryseneCobritCopperCyanide

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November 1991 P a g e 2 of 3 )QQ3 5 8 3 903-2223

T A B L E 4-2A P P L I C A B L E O R R E L E V A N T A N D A P P R O P R I A T E R E Q U I R E M E N T S

F O R C H E M i C A L S O F P O T E N T I A L C O N C E R N A T MOSLEY ROAD S A N I T A R Y L A N D F I L L

PheaandwenePte t t f

f '

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a / S O W A MCU • Sâ D f i r t f c i n g Water Act Maximum Contaminant L e v a f s , 40 OFR Part 141 (USEPA. I 9 8 9 f a n d t 9 9 X ) c ) .W S O W A M C L G s • S a f e Drinking Water Act Maxrsnum Contaminant Leva! G o a f s , 40 CFR Part 14T (USEPA, 1 9 3 9 f a n d T 9 9 0 c ) .c/ WQC Drinking Water » Water Quam/ C r r t e f i a a d j u s t e d for rfrtnkfng water. 40 CFR Part 131 ( 5 1 F R 43665).d/ W a W f Quality Criteria for Protection of Aquatic Lite. Ctean W a t a t Act (USEPA, 1990d and Zarba. 1987).a/ E f f l u e n t Limitation Guidelines fof Wastswaiar Diac t ia fge . Oklahoma P o t f u t i o n Remedies R e g u l a t f o n c , 1070.2V Raw Water Murtwutal Criteria for Pubtic and Private Water S u p p H e s , Oklahoma W a t e r Q u a t t t y S t a n d a r d s , 300.5.Q/ Numerical Water Qua&y Criteria tor Groundwatar. Oklahoma Ground W a t e r Q u a l i t y S t a n d a r d s . 400.2.h/ Okiafioma Water Q t i f d i t y Standards, 300.?(F). Matals measured as total concantiation.if Two values have been proposed.}/ V a t u e for organo f ep t i c fr.e. taste and odort e f f e c t r .k/ The value for carcinogens is zero. The number in ârsntrteses corre sponds to a Ez-OS risk.E/ Vaiues for Endoaul fan s u f t o C e assumed the same as those (or E n d o s t - l f a n il.m/ Lowest Observed Etfee t Lavet (LQEL).erf Proposed \«lue.o/ Proposed vafue for ci s f trane isomers. respectively.p/ Value (or total potycycRc afomatic hydrocarbons.q/ afpfta and gamma chtcrdana = chiordane for water quat i ty s tandard.r/Based on average hardness of 200 mg/1 for surface waters near the site.a/ V a f u e tor totaf phthaiaia asters.V Value for total trihafomstiianae.u/ Based on a pH of 7.8,.vf Vatue for gamma BHC (UndaneJ.w/ Vatue for total phenols.M C L G s = 0 ssf& not oonwd«jed ARAR's per the new NCP Guidance ( U . S . EPA. I 9 9 0 a ) and are not l i s t e d .

November 1991 Page 3 of 3 } 0 0 8 58 4 &03-2223

TABLE «-3: POTENTIAL ACTION-SPECIFIC ARARo a* asA C T I O N S

Cacoaw *tgt dayActions may t o c t j d o a c b t f s f e n t cap over thewatts pAa man me wntocd* r

P O T E N T I A L ARARS

F e d e r a lRasoufca Cons&vation and Recovery Act ot i

(40 CFR 264.310(3). (SuOMrt N»Placement o) a cao over waste(e.([. closure as 3 landfill] requires a coverdesigned and constructed too Prov«j« lor>c-term minimization ol migrat ion ofliquids t fu ouon ' . f i e cap.o Function with minimum maintenance;

#wnag» and minimi;* erosion of

O I S C U S S T O N

I n d u s t r i a l nazafOous waste was o ' < s o o s e c f a: the sifOprior lo July 26. 1982 (pnor to promulgat ion ot40CFR Part 264 siartdards). Alternat ive s consideredda not I n c l u d e ptacament ot Hazardous wasta intoan01 Her disposal unit.

nd subsidencev s mamiaifee ansj* ass .nai * -toua TOsoy oottcxr: unaf svs:am ornatural subsets

J40 CFR 254.310(6). (SuDoart N)|f i n a l closura. oast-closure cat s rnast boMainta in tne iniaonty and ai lec t ivenass o! trief i n a l covar. i n c l u d i n g makhig reaalrs t o t r i g capis necassiry to correct tno a i l a c t s ol s e t t l i n g .s t j o s idance . erosion or other events.Proven) run-on and rurvo' l f r o m eroding oramages i f i a f i n a f covar

i«0 Cf B 26*. It 7 <c^ (Suop*rt G)|P d S S - C t a S O f a us& o; r/roporty on or in wncn fwastes remain attar p a r t i a l or l inal closure mus; ne^Be alrowed to 3 i K u 0 t r t e i n t s s n t y of me d i a l covar

aste Manag$-"ant Ac!(630.S fÛ

{OUahoma Solid Waste Managr tmt fn t Hegutat loos . i -Ctosute fProper closure at a site requiresprovision ' o r adecuste f i n a l cover a n d i in s t g r a d i n g .[Oklahoma Sow Waste Msnaawnent RocUadona. i 1 I 0 ( » ) .Posi-cioduc* U<M ot Undtmed areas)Th« elfeci<v«n«$s o> lacvilill cover arid Dot tom line-or Barrfer must nc< be di s turbed w f i e n s t ruc ture sare b u i l t , p a r t i c u l a r l y when p i l i n g s are usao.[Oklahoma Solid Waste Man aaaman t Regulat ions . 3 .13. FinalCovertA uratorm lay t f f o f C l a y o c s ' l ty c l ay cover, o c cowermaterial equivalent to trie l iner mat anal , s f i a i ! Dacompacted lo a minimum d e p m of two and one-r,a{! (setand placed ovw i f>o entire suriaca of me final lift. S«Incnes- at cover caoaolo ol su s ta ining pi ant growth s h a l lBe placed: on too o* the l a n d f i l L The earttien cover shaliDa compacted ;r\ layers no more nan a i g t t (3) incnestFiicK. and snail Sa p la c ed over tna s u r f a c e of eacfic o m p l a t e d portwo o f t h e ( i f l witRirt one week f o l l o w i n gplacement ot tne f i n a l layers oi ralusa in mat p o r t i o n .a) Final cover gradient on top of me till, as

measured f r o m the cenier o l i f i e (i l l area to tneIn s lope Between tne too and sides of tne

Fie MosMy Bead S a n i t a r y Landf i l l opera t ed andwas ctased {In N o v e m o e r ! 9 3 7 ) according to thereauiat ions p t o r r . u i g a t e d under mis act

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Ertckjsed groorid level and u n f l e i g i o u n ds tructures snoukJ Do avoided due to tnepotential (or explosive concentrations o(met nan a ga*.T r t a p o n d i n g of water, axcessrve i r r i g a t i o n , orp lowing or o tr i e i d i s t u r b a n c e to 4 d c p t f i b e l o wtfi<> l o p s a f s t i o u l d no: De ailoweO unles s mere

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provided for natural v e n t i l a t i o n to prevent tnaaccumulation o! trie p o t e n t i a l l y e xp l o s i v enwianagas An e x a m p l e wouid Da s t ru c tur e swft icn usa an opan tirst level tor parking, etc..to a l l o w n a t u r a l v e n t i l a t i o nT h e a f f o c t i v e n o s s o f l a n d f i l l cover A n d ! f i 8i

b o l lom l iner Of barnac must not Da d i S t u r D e dwOari s t r u L ! u ' * s are S u i l i p j i t i c u l a i i y *ranp d i n g s a<a usedConsultation *itn tne D e p a r t m e n t may Dae -

niyc«ctfuoc3c2o V0a

d«ermina tne type s ot wastes d e p o s i t e d , d e p mo( wasta c e l l s , previous maintenance prootems.we.S u c f ; itrngs as underground u t i l i t i e s t h a i crossona or oath of ;fie ate Boundarie s s f t o u i d Da

t i

-voided, if :nay cannu. a p r o p e ; i y located andgravet- packed gas ven; should Pa p la c ed ateacn p.-ooerty oouodary crossed 10 preventmainane gas m.a ta t t on a l o n g tne o ip e lma. etc..to o l f - s i t a s tructuras.1:,

o oi noooo

TABLE 4-3: POrEMTWL A C T K W - S P E C I R C ARARaA C T O N S P O T E N T I A L ARARsEOkunotna Solid Waste Management Regulations.

10.31. Oosura?R«QU<IAS f a c i l i t i e s to c omp ly with s tandards (or:o Final cover (see C a p p i n g above)o Monitoring. A minimum a C o n a O J m o n i t o r i n gvratt sJiaii M installed hydrau i i ca!!y upg>adiec i toi tn» arts and two (2> wells hydr a u f c a i l y

liowngradient ol tna site, in tne uppermostformation containing grotinc *ater Beneath tnesit*. Gas moni tor ing and water moni tor ingstiail te conducted In accordance wltn theseRegulations ana with G u i d e l i n e s pub<u>A«d Dy1.1ft 0«Mnm»nt MQii lw-na w«lii shaH 6«protected and maintained 10 assure pwir

1 . i Sut-sea JTBE^S*. Surrscs •*« snail :»iiI

OMnea f f o c n ma sita and sact<cu<a< iiy >rom meM areas. The s«a sna l f Be gf a3eO andmaintained to prevent water p o n d i n g jver i i i iaceas. Drairsaaft (rom !h« «0' king lace s fiall Bec o n t r o l l e G . S u r f a c e aiainaso f r o m s ' t a s sha^l b edaagnea, as !ar as prict icacia. to shec: I'D* f r o r -tne sita. The oporator sr,a(t cons ider maasuiasto minimize myaion to prevent encasswa

D I S C U S S I O N v

amounts of sediment from leaving ine sitea Final grading m« surfaca an..'i o? grw^d 10 [

drain wed and blend *ttft !R« sur -ounains area.Final eJ6«a:lcn of me s«» snail not, in ar«y areaor p a r t , be greater t"an savant- f iv e (75) taetv t K t i c i J y asove the elevation exis>ing zt thesite p t t o r to deve lopment ol Tio d i spo sa ll a c i t t t y Predeveioomen! r- / a l i e n s shall 0>d i t i f a c By s tandard t o c ogupn i c maps , ect ier1:24.000 or V62.SOO seals, p u d l l s r i B d by tnoUnit«I S t a l e s Geoiogical Surv«y (USGS). or by!ha applicani's ate s p e c i f i c survey data wr.eresaid data is more pracisa^sn and consistentw i t f t USGS data. Tna side slopes s f i a i i o ^ n < -s tepper Iti an lour (4) f e e t n o c i i o n t a n o o n a C t )loot A X t i c a i . Vec,otat>ort must be sstaOlisheaduring tha f i r s t growing saason. T t - . a t y p a o fvegetation astaolisiied most B« consistent wish(tie ti<"« of year for i m m e d i a t e growth andx t f c b # l z « t i c n of tna till V e ^ a U K a i . mu» 0*maintained t o e i f a c t i v e i y p r o m o t e j t a o i i n a i i o nof ihft fill. S i d e s t op e s must Oe st> i;e<3 wi!0inona year of c o m p l e t i o n of eacci area.

Ohlanoma Contro l l ed i n d u s t r i a l Waste Disposal Act(S3 OS. 19S1)

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This act and the associated Oklahoma Indu s t r ia lW a s t e M a n a f l e n w n t Regu la t i on s I n c o r p o r a t e Dyreference 40CFR Pan ?64 raguiations pcomtitBatadundar flCRA Com>r,anc« w<tn RCRA ntaotat lort swi l l general ly assure c o m p l i a n c e w i th S t a t er egula t ions .

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TABLE 4-3: POTENTIAL ACTION-SPECIFIC *P>RtA C T K M S P O T C N T U - A K A R so e s tao i l s f i s p e c i f i c procedures for t t> j n t r o l o f

I d l e and hazardous p o l l u t a n t sp i t .o incfuda a precision of Direc t ion, ra t eo f How.and total qual i t t ot toxic p o i t y t a n t s wnereexperience inc"<cat« a reasonable p o t e n t i a l iw

o Assure proper management of soilc1 ar.dt * s z a ' d o u s v t iSie in accordance witnf e g u t a W o r , p romulga t ed undsr RCRA.

T»,e toSc^-ins monitoring is required to assurec o f l t p f t a n - e mntn permit l i m i t a t i o n s :

o The mass (or other measurement s p e c i f i e d in[?» p e c m r f ) tot o a c f r p o l l u t a n t l imi t ed in !nepwrwt.

o T J w v o t w n e 01 e i f lue i t disc riac oed f r o m eacho Oinet measurements as a p p r o p r i a t e tnc'uding

poUutants in Infernal waste streams underSocwwi :22 . *S('), p o l l u t a n t s in in tak e wa t e r t ornet Imitation-, under Seoon i J 2 . 4 5 < t ) ;frequency, rate of r j i s cnarge. s.tc.. tornoocontinuous discnargas under S e c t i o n!?2.4S(a); p o l l u t a n t s suOiec! to n o t i l i c a t i a nreduirements under S e c t i o n 122.42(3}; andpoilutancs in sewage sioooe or otnermonitortna as soeciSed in 40 CFR Part S03; ocas determined ;o be rtecessaiy on acase-By- casaoais pursuant to section40S(dX4> ot tne CWA.

o According 10 test procedure s approved under40 CFft Part ' 36 for the analyses of po l lu tant snav*i(j approved methods under tha t p a r t , andaccording to a test procedure s p e c i f i e d in thepeimit for p o t t u t a n t s witn no a p p r o v e dmethods.

£46 CFB T22XJ(d) g(xf (e)[Comply witti addi t i onal soOstantwe condit ionsm&o&nff-

o minimaeor prevent any Oi s cnargo tna t has a(sasoruflia Srkeiihood of adversely a feet ingauman health or me environment.

a proper ly operate and maintain aft f a c i l i t i e s andsystems ol treatment and control.

g:ateQkteftQfTi3 Polly! ion R$fn&3i3S Law

( B 2 O S J 9 S 1 )(Ofctahonta Pol loKoo Remedies ReguUticns. Sec lOTS.tfA)!Permits issuud &y EPA under tne N P O E S programwtB not vfofcWe cufien: C*ia.loma Water QualityStandards.[Otatioma Pollution Remedies Regulat ions , Sec 102S1Lists oerm.t application reauiraments for discfvarseot treated and untreated wastawater to sur fa c ewaier-

D I S C O S S I O N 1

Regulat ions promulgated Dy trie Sta t e referenceprovisions o( (tie Federal Cf ean Water Act requiringNPOES aermits. Sect ion t2l o f SARA exemptson-site C E F K X A ac tMtie s f rom o o ' a j ' n t a g parmitsI n c l u d i n g NP06S permits. Homevor, the substantiverequirements of the permit must be m«. Oft- itsdischarge would require an N P O E S permit.

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tXscfStryer Bo PqQgcate* Owed Treatment W O c f t si P O T W jCauKf octosfamaM « untreated iaaoxw* and9 t ° U W M W r '

[Ottatvxna Pollution Remedies Regulations, Sec 1 045[' «sw types c* permits and general permitconditions.[OMaftoma P o t l u t l o n Remedies Hugueatiorts. Sac 1 0701Provides a f f l u e n t l i m i t a t i o n s suirfe4ines i<xwasewaieE developed using *atar quai i ly and

FgoeraiOwn Mwsi 'Ar. '(33 USC 1251 a t s a q . )

pofcea=«(s( in(o a POtW mat cause Pass T h e o - j g no f f Wertarence

Pfovtd«S S p e c i l c pronôitions on introduct ion ofcollutantt to a FOTW inciadma

o P o J h j t a n t S wrtiicri c*aata a It'8 or axotosiotiterarcl in ne P O T W , i n c : u O i o f f . Out not l imi t edCo. wa**sJf*»ms witn 3 c<os*d cup l l a s n p o l n l

DISCUSaON ) 1

Discharge to P O T W 3 is c w i s ' d e n W an olf-f f l ta a c i i v f t y

of less trian HO degrees F a t i t e n n a t or 50 [degrees Cantigraaa using ine last mei f i c<l ssoectfied in 40 CFR 261.21-

o P o f f t J t a r . t s wtiicr; will cause cotroswa struc>uraEdamage :o trie POTW. out in no caseDiscnatg-js *t(fi pH Kffiet ;nan 5.Q, unless tnewarts LS *p4cif •:*!»¥ daatgneu 10 xrommodatasuc f t Dttcrarges:

o S o N c i o e viscous p o t f u t a n i s in a.noonts wrtiicns»ifi causa oOsttuctkxi to (tie :tow in the POTWresul t ing « f t i t e c l e c ervce:

o A n y p o l t u t a n t . incluOing oxyaen d a m a n d i n gOoHjttUiCs {BOO. esc.J ra(aasea in a DcscnafgaM a now ra!« ancvc; poûtar.t concacitraiionwnicn «*fi cause Int^rr (ete^ca with :n& POTW.

o Heat in amounts «tiic!i *ill inr t iDi t biologicalactivity m tna POTW r e s u l t i n g in lntart«wca.but in n& case neat in sucn quanti t i e s that thelamperature at m« POTW Tieatrr .an; Plantf f l t c a e d s 4O*C ( i t M ' F ) untess irie ApprovalA u t t w i t y . upon taquest of the POTV/. aoptovasj J t a t n a i a larnoecatuta l imns

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Pag* 7 o*9 303-2223

) 0 0 8 5 9 1

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ij:- s« ss^s^ »*fisS§?|sil fell«iseofies?.iiSilifi

CMCOOO

•* - J. nj| cM 11AL At, I i O N - S f h U H C ABAHaA C T I Q K S { P O T E N T I A L ARARs

1jDratwtoe- Trench- ! F e d e r a lexcavation anes owmueJon ol a drainage wench to 1 Resource* Conservation ana f l e eowx ^f of WBintercept teacf taw and/or gtowWwaia .

1

(42USC69CI OtSOd)Excavation of contaminated soil for construction ofa drainage trench may t r i g g e r RCHA land d i s p o s a lrestrictions.

F e d W(rf co f i fanUnawa gtown<J*a;er OT !raaf ed leach ata j S#f Drinking Water Act (<t2 USC 300f at o«Q) ancf ResourceanOtot QTOurWwater. j Conservation ana Racovary Act (42 USC 630 1 at seqj

A f r S W M t o dActions ma/ include a*r s tr ipping of voOtl l e otganics

£ 4 0 C F H l < W . t 2 Jinjection activities are profuOiteo inat aJiowsnovenww o< contaminants wo urx3e*S)rQundSdiwces of drinking. witar which may re sul t inviolations of MCls or adver s e)/ a t f a c t h e a l t h[ 4 0 C F H t * * . t 3 fConstruction o! n^w Cl i s s IV wall s , and operationand maintenance ot e x i s t i n g waiis is banned e x c e p tfor .-amiection ol treated g r o u n d w a t a r i n t o thesa f f>» format^ from w f i i j n « was w i t h d r a w n , ascart or a CERCLA c l e a n u p or RCflA corraciiveactionK O C F R l * * tBsûJai-ons inc lude s p e c i f i c t e chnica l anoa<Jrt i i t i i i t ra t lwe r&quiranwts t h a t must ce matunder lha UiC program. ( A d d i t i o n a l ARARs may oeIden i id ed baaed on f u r t h e r evaluat ion ofa t t e f n a t l v e s rnvo tv in j U i C .National Etns&ort Siancfaras for Hazardous Atr Pottutanss (ftESKAP)

(42USC74Q1KS9QK O C f f l S i iTnese r egula t ions o s iaoi l sn s t a n d a r d , f or the emisaion o fvinyl eWorld* and Den zena into amoient air.

Control of Emissions of Hazardous Toxic Air Contaminants(QSDH R9ûl»t!on 3 Q)

These regulauoos acapt the NESHAP standards Dy t a f a r e n c e .

ErwKomnertfa' PrsSacnon Ayetvy tnionm Starts SianOarOs tarO*"«rs ana Cventvcs of rmnoous wast e FK'iitias

\ <*? USC 6905 a( s*y

These r e g u l a t i o n s e s t a b l i s h s t a n d a r d s lor air emissions (orprocess vents and sqmpment l e a k s (or owners and opera tor s ofhazardous wsiste f a c i l i t i e s Organic emissions from processvents fw systems c o f i t a M r n g 10 ppm organ res r>y weight forwasre streams are r & a u l a t e d . Process vent emis s ions are not toaxce«d 3 ( b s / h o y t . Organic concentra t ions gr ea t e r :han 1 0percent Oy we igh t ara managed under e q u i p m e n t ieahs.

DISCUSSION l i

Excavation of c on taminat ed soil that would Oaconsidered a RCHA hazardous waste a u n l i k e l y .Excavation wi thin t h e l a n d f i l l o r waste p i t s o i ' s I s n o tconsidered as an a l t ernat ive .

The UIC Program permitting: ceQuirameots apo'y 10any weds used to irîect f l r o u n d w a t e t or teachate aspart of truatrrre-it or di sposal technologies. C l a s s !watt* tnciudd ihcwe used to inject narardoo*.industrial and m u n i c i p a l wastes DerwaErt thelowarmast f o r m a t i o n c o n t a i n i n g , w i t r t i n one-auartarrntfo of the wan Dora, an und a( ground d r i n k i n g watersource. Clas s IV weds i n c l u d e those used (C- i n j e c thazardous or r a d i o a c t i v e wastes i n t o or aDove af o r m a t i o n t h a t , w i t h i n ona q u a f l a r mita of <fia wellbore, c on ta in s a n ur-derground d ' l n l t l n j watetsource. Class IV wail s are DtohiDited oxceot forr e m j e c t i o n ot t r e a t e d wastes as part of & C E R C L A orRCR^ c l e a n u p action. C l a s s V we l l s in c lude w a i f ssucfi as recrtarga wails, sesitc system wells, ands h a l l o w nonhazardous i n d u s t r i a l waste d i s p o s a lw e l l s R e m j e c t i o n ot a waatawat er not c l a s s i f i e d ashazardous couid Be mace to a Class V wen as partot 3 CERCLA c l e a n u p action.

NESHA,' 1 s tandards exist ior voiatiie emissions o'Serene and v i n / l ch loc We f r o m air s i r i p p e r s

Oiar>ic w emission s tandards exist tor jxocassvftv.s OrgariK: air ain.ssKio s tandard s asist Knlaaks f rom equipment la.'rymg organicc o n c a n f r a t i o n s g r e a t e r t h a n 10 percent by ws*gW.

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Page 9 at 3 303-2223

) 0 0 8 5 9 3

iBLE 4-4M O S L E Y ROAD S A N I T A R Y L A N D F I L L

P O T E N T I A L L O C A T I O N - S P E C F i C A R A R sLaw or Regulation and C i t a t i o n Discussion

Oo5!CD

F e d e r a lResource Conservation and Recovery Act

OH976(RCRA}(42 USC 6901 et seq)

[ 4 G C F R 2 6 4 . 1 8 ( b ) IRCRA hazardous waste; treatment s t orage , or d i s p o s a l w i th inthe 100-year f i o o d p l a i n must be d e s i g n e d , c o n s t r u c t e d (opera t ed , and mainta ined to prevent wash out of anyhazardous waste by a tOQ-year f l o o d .

Federa lNational Historical Preservation Act (NHPA)

(16 USC 469 et seq)[36 CFR 65JAct i on s must be taken to recover and preserve a r t i f a c t s whenalteration of terrain threatens s ign i f i can t s c i en t i f i c ,p r e h f s t o r i c a l , historical or archaeological data.[36 CFR 8001A c t i o n to preserve his toric p r o p e r t i e s and N a t i o n a l H i s t o r i cLandmarks shaii be taken for p r o p e r t y i n c l u d e d or e l i g i b l e forthe N a t i o n a l Register o f H i s t o r i c p lace s .

The M o s l e y Road S a n i t a r y Landf i l l p r o p e r t y i s no t wi th in the 100-year f l o o d p l a i n .The 100-year f l o o d p l a i n i s located atong the northern boundary of the landf i l l .[ F i g u r e 2-2, M o s l e y Road S a n i t a r y L a n d f i l l Remedial i n v e s t i g a t i o n / F e a s i b i l i t y S t u d y( R I / F S ) W o r k P l a n ( G o l d e r A s s o c i a t e s , 1 9 8 9 ) ] .A d d i t i o n a l l y , i n d u s t r i a l hazardous waste was d i s p o s e d at the site prior io July 26,1982 ( p r i o r to p r o m u l g a t i o n of 40 CFR 264 s tandards).

No h i s t or i ca l a r t i f a c t s , h i s t or i ca l p r o p e r t y or N a t i o n a l H i s t o r i c Landmark s are knownto exist on the M o s l e y Road S a n i t a r y Landfi l l property. A d d i t i o n a l l y , almost the entires u r f a c e o f th e landf i l l p r o p e r t y ha s been d i s t u r b e d by landf i l l opera t i on s andc on s t ruc t i on of the c lay cap.It is common construction practice to preserve historical ar t i fa c t s and property. Priorto cons truct ion of remedial systems the Oklahoma Archaeo l og i ca l Survey w i l t becontacted to p e r f o r m a f i e l d in sp e c t i on to determine i f p r e h i s t o r i c resources,a r c h a e o l o g i c a l resources, h i s t o r i c p r o p e r t i e s or N a t i o n a l H i s t o r i c L a n d m a r k s arepre s ent r e q u i r i n g pr e s e rva t i on .

November 1931 P a g e 1 of 4 903-22235 94

TABLE 4-4M O S L E Y ROAD S A N I T A R Y L A N D F I L L

P O T E N T I A L L O C A T I O N - S P E C I F I C A R A R sLaw or Regulation and Citat ion Discussion

Federa lEndangered Sp&cies Act of 1973 (ESA)

(16 USC 1531 etseq)J5O CFR Parts 200 and 402] and

FfSh and Wildlife Coordination Act (FWCA)(16 USC 1531 etseq}

[33 CFR Parts 320-330]The presence of endangered or threatened species s h a l l bedetermined. When these species are i d e n t i f i e d , action shal lbe taken to conserve these species.

FederalCfean Water Act, Section 404

[40 CFR Part 230J and[33 CFR Parts 320-3301The discharge o f dredge or f i l l material i n t owe t land s is prohibi ted w i thou t a p ermi t .[40 CFR Part 6, Append i x A]A p p l i c a b l e to actions invoEving construction of f a c i l i t i e s ormanagement of proper ty in w e t l a n d s . A c t i o n s are to avoir'adverse e f f e c t s , minimize potent ial harm, and preserve aenhance wetlands.

The U.S. Fish and Wildf i f e Service (FWS) has indicated that the endangered baldeagle; and interior least tern and Ehe threatened piping plover may occur within thearea of the Mosi ey Road S a n i t a r y Landfill A d d i t i o n a l l y , two species l i s t ed as rare bythe O k f a h o m a N a t u r a l H e r i t a g e I n v e n t o r y have been i d e n t i f i e d as having the h ighe s tp r o b a b i l i t y of occurring within the study area. These include the p l a n t , Oklahomabeard tongue and the prairie mole cricket. Two walk over biota surveys have beenconducted at the site. Thes e endangered, threatened or rare species have not beeni d e n t i f i e d at the site.

S i g n i f i c a n t aquatic and wetland habitats exist in the area of the Mosiey RoadS a n i t a r y Land f i f t . No d i s charge s o f dr edged or f i l l material into we t l and s ar ein corpora t ed i n t o the remedial action al t ernat ive s . However, some remedial actionsmay require activities within potent ial we t fand areas. K'PDES discharges to surfacewater are di scus sed under a c t i o n - s p e c i f i c ARARs, T a b l e 4-3.

November 1991 Page 2 of 4 903-2223) 0 0 8 5 9 5


P O T E N T I A L L O C A T I O N - S P E C I F I C A R A R s

cxo9

Oata>

Law or Regula t ion and C i t a t i o nand Wildlife Coordination Act (FWCA)

(16 USC 661 et seq)National Environmental Policy Act (NEPA)

|40 CFR 6.302JA p p f i c a b l e to diversion, channe l ing , or other ac t iv i t i e s thatm o d i f y a stream or river and a f f e c t f i s h or w i l d l i f e . In thesecircumstances action to protect f i s h or wildlife s h a l l be taken.

Wtid and Scenic Rivers Act(16 USC 1271 et seq Section 7(a))

National Environmental Policy Act (NEPA)[40 CFR 6.3Q2(e}JActiv i t i e s that nave a direct adverse a f f e c t on a scenic riverare to be avoided.

Discu s s i onNo s tream diver s ion, c h a n n e l i n g , or other n m d i f i c a t i o n s to streams are incorporatedinto remedial action a l t ernat ive s . NPDES di s charge s to s u r f a c e water are discussedunder ac t ion- spec i f i c ARARs, T a b l e 4-3.

No wild and scenic rivers are l i s t ed in the Wifd and Scenic Rivers Act for the S t a t e ofOklahoma. Rivers on the na t i ona l inventory w i l l not be a f f e c t e d by r e m e d i a l act iona l t e r n a t i v e s .

November 1991 Payo 3 of 4 >008 5 9 6 903-2223


P O T E N T I A L L O C A T I O N - S P E C I F I C A R A R sj L a w of Refutat ion arid Ci ta t i on Discus s ion

OjoB,QJ

FederalUnderground Storage Tank Technical

Requirements (RCRA)(42USC6912etseq)

[ 4 0 C F R 2 S O ( s u b p a r t G ) JUnderground storage tanks to be p e r m a n e n t l y closed mustmeet the closure requirements of subpart G. T h e s erequirements include excavation, or j n e r t i n g , cleaning andrecordkeeping,

S t a t eOklahoma Underground Storage Tanks Act

(OS Title 17)R:J>s regarding closure shall be p r o m u l g a t e d ,

Oklahoma Underground Storage Tanks Rules(OS Title 17)

Rules regarding closure are p r o m u l g a t e d , these rules i n c l u d eexcavation or (netting, cleaning and recordkeeptng.

A review of the S t a t e of O k l a h o m a ' s list of underground storage tanks wilt beconducted prior t o i m p l e m e n t a t i o n o f remedial systems. If underground storagetanks are di scovered on-site the closure requirements of these r e g u l a t i o n s w i l t bef o l l o w e d .

November T991 Page 4 of 4 > 0 G 8 5 9 7 903-2223

TABLE 5-1A N A L Y S I S O F C O L L E C T I O N O P T I O N S C O N S I D E R E D

P ' ! : ; ^ 8 U i R R V | ^ f i f t i a f e i ^ ^ f e : ; 4 -^.METHOD Of . -,' : . " .i?Bf •..•••-.•:%:;:••>-: •:• . : v.-j.'Wgf'.'.-v-. -•: '^S.-lsa^-^^^S^ • :•;-•.-:«;-:.:-:. •• - •'.•.•',-' f^ l t tSS'-' ' U f l f f 1 ' '^SfTBBMJSKOTMSMfSSgSB*'* 1 ^ ':" .--• K F / V ^ l I O T V M k f v •r\wC Yr*U^.r ' - - - i v H t i i C T w W V i l V C w - ' * ^ ? " \ • ' • • • • • ' . ' • • • • * £ % vV*l*L»Cul Iwv*

1 ! no 4A. SA 13 wef t e located around theper io i e t e f f of the tandSH,f f * i i c f n £ s p p f o x . 300 teot

1.2 no 4A.SA 2S we f t s located around theparinsfcM o* fee tandM.•*a«**5 appvm. 300 fee«

2.1 m> 6A 30 wells located in l a n d f i l f

2.2 no 6A 30 wetts focated i r t l a n d f i i l

2.3 yea 63 1 S w e l l s located in l a n d f i t l

2.4 yes SB 15 w e f t s tocated in landfill

-:-'O,,-,. , . ; . : , , - -. " . - ESTIMATED m; ' : • " ' : . - ' - - - • ' ' • / S T E A o y - , --"|"": . . STATE', :;.•;

P U M P I N G •. ; , T A R Q E T E O ::: RATE .•>

; DRAWDOWN ' (GPM)» ;. ::3 ft, at center 80-160

o f l a n d f i l l

108 at 2S0-S20center att a n d f t E l3 f t . 60-tSO

throughou tl a n d h i l

1 0 f t . 100-250t h r o u g h o u tl a n d f i r f

3 f t 30-65t h roughou tl a n d f i l l1 0 f t , 95-200

t h r o u g h o u tl a n d f i l l

/^:> m^ M^ ill®^ !! ^ff J^lill||R,v10- 5 50 yrs 20 years 0.84 to 1.68 Provides (or c o J t e c t i o n of (eachate

a f t e r it enters a l luv ia l gcoundwater.

10-150 yrs 2Oy«ars 2.73 to 5.47 Provides for c o l l e c t i on of ieachatea f t e r it enters alluvial grotindwatar.

3*1 S yrs 20 y>ars 0.83 to 1 .58 Provides for direct co l t e c t fon ofl eachate . Recovery w e l l s locatednear the boundary of the landf i l l wiltl i k e l y recover at luv ia i ( j r o u n d w a t e ta l o n g with leachate.

3-1 5 yrs 20 years 1 .OS to 2.S3 Provides for direct co l l e c t ion ofleachate. Recovery w e l l s locatednear the boundary of the l a n d f i l l willl i k e l y recover a l l u v i a l groundwateralong wi th t eacha ta .

3 - t 5 y r s 20 years 0.32 to 0.88 Provides for direct c o l l e c t i on ofleachate. S l u r r y wall preventsrecovery ot a l l u v i a l groundwater.

3-1 5 yrs 20 years 1.00 to 2. 10 Provide s for direct c o l F e c t i o n ofteachale. S l u r r y wait preventsrecovery of a l luv ia l groundwatar .

N O T E1. Steady-s ta t e pumping rate is dependent or, the amount of vortical l e a k a g e f r o m the G a c b e r - W e i E i n Q t o n a q u i f e r .

See text fcf a full explanation or assumptions.2. Afl a t t s inat tvea ihat do not include a scurry wall assume that N o r t h Pond w i l l be d r a i n e d .

Cxpfara t t oa of Caaea:1.1 through 1.2: Alluvial Groundwate-r CoiJect ton2.1 through 2.4: Leaehate Collection3.1 through 3,8: Alluvial Groundwater and Laachata Collec t ion

November 1991 P a g e 1 of 3 ) 0 0 8 5 9 8 903-2223


Wm. Sf f ;

3.1 no 7A.&A 30 welte in iandfiH. 6 w e f i s onaowo0radtdrw side

3.2 no 7A.M 35weG*in t a n d f i l f . S w e l f R Q ndowngfadient side

f3.3 yes 7B, 86 i S w e H s i n landfifl. 5 we l t s on

downgradient side

3 . 4 y e s 78,83 I S w e H s f n l a n d f i l l . S w e l t s o ndowfigradient side

3.5 yes 7S. SB l ? w a H s m landfill, drain ondowngradient side at anaverage etevation of 1 1 33'

3.6 yea 78, SB TSweHstrtlandfilf. drain ontf -ngfadienC side at anavtrega e f e v a t i o n of 1 139'

T A R G E T E D . ;- • ;::.v- R A f £ \;.V-;.:-:v -,^':/"ST£AOiV:: ;:,:

D R A W D O W N ; i - . (GPM)* ;: v ^ STATE3 f t .

t h roughou tf a n d f i f l

1 0 f t .t h r o u g h o u tl a n d f i l l

3 f t .throughoutl a n d f t l f

1 0 f t .throughoutl a n d t i f l

3 f t .throughoutl a n d t r l !

1 0 f t .throughoutf a n d f i i l

60-150 ( l e a c h a t s j 3-15 yrs1 25 gpm (groundwat er) N/A

tOO-250 ( l e a c h a t e j 3-15 yrs1 2 5 g p m ( g r o u n d w a E e r ) M / A

30-65 ( l e a c h a t e ) 3-15 yrs125 gpm ( g r o u n d w a t e r ) NAA

95-200 ( f o a c h a t e ) 3-15 yrs125 g p r n (groundwacer f ^ f / A

30-85 ( l e a c h a t e ) 3-1 5 yrs100 gpm (groundwater) r J / A

S5-200 { l e a c h a t e ) 3-15 yrs100 gpm (ground water) N/A

D U R A T I O N ^20 years

t yeaf

20 years1 year

20 years1 year

20 years1 year

20 years1 year

20 years1 year

| J||r

0.63 to 1.53o f ' a a c h a e e ;

0.07ot grourtdwAtar

1.05to2.e3of leachats;

0.07of groundwater

0.32 to 0.68of leach am;

0.07

1.00to2.10of f e a c h a t e ;

0.07of gr aundwater

0.32 to 0.63t r f i ea cha t e;

0.05of groundwater

t, 00 to 2. 10o f l a a c h a t e ;

0.05o{ groundwatar

Five wells on downgradient sidamay n«ed to p u m p for lass than oneyear.

F i v e w e l l s on downgradient srdemay nead to p u m p for (ess t han oneyear.

F i v e w e l l s on downgradient sidemay need to p u m p for tess than oneyear.

Five w e l l s on d o w n g r a d i e n t s i d omay need to p u m p for l e s s than oneyear.

Drain on d o w n g r a d f e n t side maynead to operate lor less than oneyear.

D r s / n on d o w n g r a d f e n t s f d e mayneed !o operate for !ess than oneyear.

NOTE:1. Steady-state p u m p f t > g ra*e Is tfêndeot on the amount of verticaf S e a k a g e f r o m tha Garber- W e l l i n g t o n a q u i f e r .

Sea text for a (aft explanation of assumptions2. Alt alternatives that do not tne fude a a furry watt assume that N o r t h Pond wift t& drained.

1 . t through 1 .2: Af Uiviat Groundwatar Collection2.1 through 2.4: Leacnate .ôilecjton3.1 through 3.8: Altuvial Groundwatef and Leachate Co l ta c t t on

November 1991 Page 2 of 3 ) 0 0 8 5 9 9 903-2223


ÂP^y^^ to £<;; j: METHOD QF.^: - : < < ^ K J ' V t f ' - W t t t t - ' A r ' - W * S f f ^ ^ & ^ f ^ ' ^ . - '.*'?•'".';''-f*f*± t T r - r f V ^ T * * . * * " ' : ' ^ -^^*-1*Ax

T A R G E T E DDRAWDOWN3.7

3.8 yes

7B, 39 T5 wefe in t a o d S f i , pe? idrain at an avetaga etavatton

7B. SB tS ws l l s in landfifi, perimeterdram at an average elevationof 1143 '

3 f t . t n s f d e 30-65 ( l a a c h a t e )and ou t s id e of 20-55 ( g r o u n r f w a t e f )l a n d d l f

1 0 f t . i n s i d eand 3 ft .ou t s i d e of

95-200 ( t e a c h a t e )20-55 ( g r o u n d w a t t t r )

3-15yrs

3 - l S y r s

3-15years20 years

3-15 years20 years

0.10 to 0-24of (eachate;o . a t t o o . s a

o f g r o u n d w a t w0.32 to 075of leachate;0,21 to 0.58

of grounciwater

Pertmater drain dewgnad to towerwater t evdi s out s ide the Blurry waUto tt ie same level as insido the s l u r r ywait.Parimeter d r a f n designed to f owe twater levet s outside the sturry watt.

NOTE:1. Steady-siata pumping sate s& ctepentient on the a fnot int of vertical l e a k a g e f r o m the G a i b s r - W e l t i n g t o n a q u i f e r .

See text for a fuH explanation of assumptions.2. Af! ai te fnattvaa that do net i n c t t K f e a eturry wall assume that N o r t h Pond w i l t be dra ined .

Explanation ol Cases:1.1 through \£; Attuvial QroeKidwatef CoJIsc t i on?.\ th foog*i2.4: Leachate Creation3.1 through 3.8: Muvia! Groundwater and Leachate Cof l e c t t on

November Page 3 of 3 0 0 8 6 0 0 903-222


T R E A T M E N T F O R C O M B I N E D G R O U N D W A T E R A N D L E A C H A T E

*

1 , 1 . 1 - t r i c h l o r o e t h a n e1 ,1 -dichloroethane1 ,2-d i ch l oro e thane1,2-dichloroe lhene1,4-dichlorobenzene2-butanone2~chlorophenol*4 - c h l o r o ~ 3 - m e t h y l p h e n o i4~methylphenol4 - m e t h y l - 2 - p e n t a n o n e4~n i t r ophe , i o lacenaphtheneacetoneanthracenearsenic*barium*benzenebenzo l e acidbenzo(a)a!nhraceneb e n z o ( a ) p y r e n eb e n z o ( b ) f l u o r a n t h e n eb e n z o < k ) f l u o r a n t h e n 9b i s ( 2 - e t h y l h e x y l ) p h w a l m eb u l y l b e n z y l p h t h a l a t eC h l o r o b e n z e n ec h l o r o e t h a n ochrysened e l t a - B H C ( i i n d a n e )d i e t h y l p h t h a l a t ee n d o s u l t a n s u l f a t ee t h y l b e n z e n ef l u o r a n t h e n eironManganese*m e t h y l e n e c h l o r i d enaph tha l enen - n i t r o s o d i p h e n y l a m i n ep e n t a c h l o r o p h e n o lp h e n a n t h r e n ep h e n o lpyrenet o l u e n et o ta l x y l e n o st r i c h l o r o e r h e n evinyl c h l o r i d e *

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Proposed M C LS t a t e E f f l u e n tPropo s ed M C L

M C L

Propo s ed M C LP r o p o s e d M C LM C LM C L

a/ cis-/trans- Isomers,b/ Proposed MCL is 0.0002 m g / l .* C o n t a m i n a n t is proaent In a l l u v i a l Qroundwat er at a c onc en tra t i on which pre s en t s a p o t e n t i a l risk to human h e a l t h .

N o v e m b e r 1991 G o i d o r Asso c ia t e s 903-2223

TABLE 5-3L I M I T A T I O N S O N I N D U S T R I A L D I S C H A R G E S T O POTW

I^^ÎP :XKiSm 1Biochemical Oxygen DemandChemical Oxygen DemandTotal Suspended S o l i d spH (not less than)Petroleum Based Oiland Grease

A n i m a l or V e g e t a b l e Oiland Greas e

Arsen i cC a d m i u mC o p p e rC y a n i d eLeadM e r c u r yN i c k e lChromium ( h e x a v a l e n t )Chromium ( t o t a l )S i l v e rZincP h e n o l i c sT o t a l T c x i c Organics

f p i S I K S B ^ Iflill^^l mjM500

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200

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1800b/4780 b/

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vlI 0 0 b / d / aC

0.0621 „0.235

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B I D L0.176

—0.0609

BiDL0.0274

0.2 b/ 0.34 c/3.75 g/

BIDL Below Instrument Detection Limit,al Average 5-day BCD results for alluvial groundwater samples collected fromreplacement wells MW-11R through MW-1SR.b/ Level in analytical result for one composite sample analyzed by Techrad

Environmental Services, Inc.c/ Field pH measurements; approximate.d/ Total oil and grease; undifferentiatedQl Total of the maximum concentration of all phenolic compounds detected.

M Total of all organic maximums greater than . 01 rng/l for alluvial groundwater.gl Total of all organic maximums greater than .01 mg/l for leachate,

November 1991 903-2223G o l d e r A s s o c i a t e s

o o 0 0 O N O

TABLE o-1ROLE O F T H E N I N E E V A L U A T I O N C R I T E R I A D U R I N G R E M E D Y S E L E C T I O N

of tiiiw anH o w A l t e r n a t i v e Prov ide s H u m a n H e a l t h a n d E n v i r o n m e n t a l P r o t e c t i o n ' T h r e s h o l d '

F a c t o r s

• Compl ianc e with C h e m i c a l - S p e c i f i c ARARs» C o m p l i a n c e w i t h A c t i o n - S p e c i f i c A R A R s• C o m p l i a n c e w i th L o c a t i o n - S p e c i f i c A R A R s• C o m p i [ a n c e n y i t h Other C r i t e r i a , A j y j ^ o r i e ^ a j id G u j d j n c s s

Pef ma' nenics... . ._ri •;. i ' ^ i j j . i . . . . . . ^ - . , . .w.w.Wiiv.i-.v.1. j . A ' i i i w . j . . . - * l . ^ > < i f i v , v . , . . . . ••vJrti-.i.i.âai

* M a g n i t u d e of Residual Risk« A d e q u a c y and Reliabi l i ty of C o n t r o l s

^• T r e a t m e n t Process Used and M a t e r i a l s Tre• A m o u n t s o f H a z a r d o u s M a t e r i a l s Des troyed or T r e a t e d• Degree of Expected Reduct ions in T o x i c i t y , M 'bility, and V o l u m e« Degree to W h i c h T r e a t m e n t i s I r r e v e r s i b l e• T y p e and Q u a n t i t y o f Residual s R e m a i n i n g a f t e r Trea tment

S h o r t - T e r m E f f e c t i v e n e s s ;• P r o t e c t i o n o f C o m m u n i t y d u r i n g R e m e d i a l A c t i o n s• Prot e c t i on of Workers d u r i n g Remedial Act ion s• E n v i r o n m e n t a l I m p a c t s• T i m _ u - n j ' * f i j ? ! 1 6 d a l A c t i o n O b j e c t i v e s a r e A c h i e v e d J

(mpj e fnen tab i l i ty .• A b i l i t y t o C o n s t r u c t a n d O p e r a t e t h e T e c h n o l o g y• R e l i a b i l i t y o f t h e T e c h n o l o g y• Ease o f U n d e r t a k i n g A d d i t i o n a l R e m e d i a l A c t i o n s , i f N e c e s s a r y• Abi l i ty , u M o n i t o r E f f e c t i v e n e s s o f Remedy• A b i l i t y t o Obtai. i A p p r o v a l s f r o m O t h e r A g e n c i e s• C o o r d i n a t i o n w i t h Other A g e n c i e s• Availab i l i ty o f Off- s i t e T r e a t m e n t , S t o r a g e , and Disposal Servicesand C a p a c i t y• A v a 1 1 b i l i t y o f N e c e s s a r y E q u i p m e n t a n d S p e c i a l i s t s• A v a i l a b i l i t y o f P r o s p e c t i v e T e c h n o l o g i e s

OvO00OO

"Primary Balancing"F a c t o r s

• C a p i t a l C o s t a• O p e r a t i n g and M a i n t e n a n c e C o s t s• Present Worth Coat s

M o d i f y i n g " C o n s i d e r a t i o n s1 T h a e a o r l t f l f t a ar e as saaaad f o l l o w i n g comment on Uto FS repor t .

H o f o r e n c o ; Quktanc i f o r C o n d u c t i n g f l o m e d m f I n v o f i l i a t i o n s a n d F e a s i b i l i t y S t u d i e s U n d e r C G R C L A .G o l d e r A s s o c i a t e s

N o v e m b e r 1991 903-2223

I A B L E 6-2E S T I M A T E D COST RA**3£ F O R R E R N S J K E M E D f A L A L T E R N A T I V E S

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C * ( H M l C O «O f « n « f l * F » * t t J < V l Q O O { i t t .

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TABLE 6-3E V A L U A T I O N O F R E R N E D A L T E R N A T I V E S A G A I N S T T H E N I N E C R f T E R i A

W M W K T ? T * S ? J W I

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U n J i d e t y ' 5 campty witt*c f i e r n ' c a f - a p e c i r i cA R A R s f o r grOundwat e f

quality. Acticn-specrticand t o c a t i o d - ' S p e e t t i cARAfls generaity do nota p p t y t o th i s a l t e rrv i t iv e-

untecian NO. 3

U i n g - T e r mE f l e c ! f v « n a M andPermanencef h a l o n g - i a / me f f ec t ivenes s o(A r t e r n a t i v f t i isa c c e p t a b l e , i fcontaminantconcentrat ions remain atcu«ent f e v e l s o- i m p i o v e .I f corttaminanjconcentrations incteaseover time, the l o n g - t e r me f f e c t ivenes s of thisa l t e r n a t i v e i s poor.

u f t t s n o n No. 4Reduction ofT o x l c i t y . Mobi l i ryand V o l u m eT h r o u g hTreatment

A l t w n a t ' v e i does n o tprovide a reduction inthe t o x i c i t y . m o b i l i t y , o(v o l u r t f t o f c o n t a r n i n a n i s[ r » t o u g f > traatment.

cntarran NO. 5

S h o i - T a r mEItBctivonessN o remedial actionswould oe undertakenunder A l ; e r n a t f v e 1

cmanon r4o.f i --"..

Irn ptementaDittvN o remedial ac t ionswould Da undertakenunder A l t e r n a t i v e l .

critsnon NO. 7

Costs(Capital and O«M>The 1991 Pres entne( worth 13 SO.

V U n t a r i o n W S

State AcceptanceTrie s t a t s has shown tiopreference amongsta l t e r n a t i v e s T h ea c c e p t a b i l i t y o faf t er natives will beassessed E o t i Q w i n gcomment on theF e a s i b i l i t y S t u d y Report.

umation no. 9

CommunityAncoptann*The communi ty ha sshown no r w s f f i r a n c f t; i - . . n ( j s t a i t a t n a t i v a sT h e a c c e p i a t w t y o ff t f t e t n a t i v e s wil l beassessed t a l l o w i n gcomment on theF e a s i O i l i t y S f u c J y Repo

Page i of 10

) 0 0 8 6 0 6

TABLE 6-3E V A L U A T I O N O F R E F I N E D A L T E R N A T I V E S A G A I N S T T H E N I N E C R I T E R I A

Mtestts&eJasey&taff*S*B*te2:LisdSad i V a S w t fnsff$u«ona*

T e c f t n o t a g y Types:AccessReatrtdtona a«*Monitoring

Overall Prate«tooo* K*wian Heafttifeu" the

w t f i o t i u i i v n\f' ff - x'

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^ t t e r a t t f c t f a a iiwoder oeevene dbf>ct(Oansact wSh <wasw.HesHrwfcn* CA«twndaawrosewe««awaniiigBSStan.tea&t wodd tecju»e

protecwec t f

coocefrtration ofccntamHiartO incr easeswi t f i trm*.

UWtfcefy to comply withchemical sp e c i f i cARARs fo f gtoundwaterauaSty. Action- s p e c i f i cand tocation-spectf icA R A R s genera l ly do nota p p l y to th i s a l t e rna t ive .

L o n g - T a r mEff e c t ivene s s and

Reduction ofT t J K i c i t y . M o o i t i t yThrough Snort-TermPertnananca i T r e a t m e n t | E f l e c t i ' / e n e s s

T h e S o n g - t e r me f f e c t i v e n e s s o f A l t e r n a t e2 is ac c ep tab l e , ifc on taminan tconcentrations rematn atcurrent l e v e l s or i m p r o v et f c ontaminantc o n c e n t r a t i o n s increasee f f e c t ivenes s ot VMSalternat ive is poo*

A l t e r n a t i v e 2 does notp r o v i d e a r e d u c t i o n inthe t o x i c i t y . m o Q i l i t y . orvolume o f c o n t a m i n a n t sthrough treatment

Risks to workers w o t t f dbe n e g l i g i b l e . Ri sk s tothe community would ben e g l i g i b l e . Remedialactions would not causas i g n i f i c a n te n v i r o n m e n t a l i m p a c t s .

knpfementabiNr?M o n i t o r i n g of sitec o n d i t i o n s underAlternat ive 2 would bea d m i n i s t r a t i v e l y f e a s i b t e -AJternattve 2 isl e c r - n i t a l l y f e a s i b l e .

Costs( C a p r t a F a n d O & M }The 1991 presentnet worth isS500.000.

State A c c e p t a n c eThe s t a t s has snown nop r e f e r e n c e amongs talternatives. Thaa c c e p t a o t t r t y o fa l t e r n a t t v e s w i l l Deassessed f a d o w f t gcomment 0" !heF e a s i b i l i t y S l u J y F U ' p o i t

CommonttyAcceptanceT h e c o m m u n i t y h a ssnowrt no p i e t e r e n c eamongst alterrtatives.T h e a c c e p t a b t t t t y o fa t t e r natives wiP beassessed f o l l o w i n gc o r n i t i e n i nn thoF e a s i b i i f t y S t u d y Report

) 0 0 8 6 0 7

TABLE 8-3E V A L U A T I O N O F R E r t N E D A L T E R N A T I V E S A G A I N S T T H E N I N E C R I T E R I A

H R S B & & i'! • <* ^T^BWI

Meenatiw

~J?£- e n t e f l o f f f t o e ' V ; :v,-OweraB prateofonof Hunan Heafttv__ u t f l b e

% :? utttenon NO, 2 , :Compliance wtthAppticaEXe orR a i e v t r f f a n d

*«»TO«tt»

= Criterion No. 3

Lo«Q-TeraiE&oaiveneot ana

ccttanoo NO. 4Reduction ofT o x i c i t y , M o o i l i t yand VolumeThrough

cmariooMo. b

Shon-Te«n

Aftwusffviff 4<1SatzasContaiwaeoS:Ground* ater

Land usa cestncaonswaufd prevent ( S ' e c tcontsct wJCi waste.MyOraaSc co t f ta fn s i en twould provide long-termExtraction and j p f M e e a o n to HumanDischarge feeaJtft and the

Technology Types:Capping.AccessRfts tr ic tksnsa«d Monaofwg

environment. Remedialaction would remediateexisting gioundwatercantarntnaSort near thel a n d f i l l .

CapaOfe ot meeting If property imotecnenied ("The votucne. mooi lr tv.cnemtcat-specificARABS for grotindwaterquafity. May not meetA R A R s for discharge c fcontaminated water.Act ion- spe c i f i c A R A R sunder the CWA anaRCRA for discharge to

POTW may not be met-L o c a t i o n - s p e c i f i cARARs should be mat.

tung-Eerm e f f e c t ivenes sis high. A l t e r n a t i v e(emediate s a x i s t i n gcontaminat ion andprevent s f u t u r e s pr eadof contaminant s .

and toxioty ofc on taminant s ing r o u n d w a t e r andl e a c h a t e would Oereduced t h r o u g hc o l l e c t i o n a n d d i s c h a r g eto a P O T W or s u r f a c ewater. Trea tment o!c o n t a m i n a n t s wou ldoccur w i t h i n theactivated sludge processo f t h e P O T W . ; fnecessary.

T h i s a l t e r n a t i v e i se f f e c t i v e in thesnort-term. Risks toworkers wou!d begreater than f o rA l t e r n a t i v e 2. Ri sk s toworker s would Dac o m p a r a b l e to risksnormally associated withc lo sure of a munic ipa ll a n d f i H . Risks t o t h acommunity woufdinc lude p o t e n t i a lt r a n s p o r t of recoveredg r o u n d w a t e r t o a POTW.R e m e d i a l ac t ions couldcause enwonmemafmpac t s E f f e c t i v e inprevent ing exposure tonuman ande n v i r o n m e n t s 'r e c e p t o r s .

criterion NO. H

•PI£UC*» wumwyA l t e r n a t i v e 4A istechnically feasible.T h e a d m i n i s t r a t i v ef e a s i b i l i t y o f A l t e r n a t i v e4A would be dependenton the p o t e n t i a l tom i t i g a t e d i s turbance s tos u r f a c e waters naar thesite.

C r i M f l O n No. 7 t criterion no. 8

Costs{ ' w t l p i c u * uJIO U<SM^

The 1 991 pre s entnet worth isS3. 7-12.4 m i l l i o n ,i n c l u d i n g c a p p i n gopt ions 1. 2, and 4;and, d i s charge toa P O T W or s u r f a c ewater under anN P D E S Permit.

&vate AcceptanceThe s t a t e has shown nopre f e r enc e amongsta l t e r n a t i v e s . T h ea c c e p t a b i l i t y o fa l t e r n a t i v e s w i l l beassessed f o l l o w i n gcomment on theF e a s i b i l i t y S t u d y R e p o r t .

umartort NO. 9

CommunityAccspi dn CGT h e c ommuni ty f a sshown no p i B f e r e n c eamongs t a l t e r n a t i v e s .T h a a c c e p t a b i l i t y o fa l t e r n a t i v e s w til beassessed f o l l o w i n gcommet t on t f t eF e a s i b i l i t y S t u d y R e p o t

...Pag« 3 of 10

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TABLE e-3E V A L U A T I O N O F RERNED A L T E R N A T I V E S A G A I N S T T H E N I N E C R I T E R I A

m**y .-"- -•<*^- . = •^.CHiattOBNC^t"' , - ' :

Overafi ProtectionoJ Human HeafSiAttemati*e [ a*dtMOescripstoa ! ScwwonttenfAi&rna&ve 5A j Land use raKnottonsj w o u f d prevent directSourceContafnment:GrautKtoaierj Extraction.Treatmentand Disc t ia fgeTechnology Types:Capping.AccessRestrictionsand Monitor rrtg

contact with waste.HfC*SK*c oonewnmeeitwould provide long-term protection tohuman bea f th and fraecmronment. RemedtaJaction woultf remediateexisting groundwater>CQ«amioahOfi near t?teW K f f i f t .

Y. Knterion NO- 2Compliance withA p p t c c a b t e o fRelevant andAppropr ia t ef t oquTEtment s

Capante of mcwmochetmcat-spcciftcARAPts for groundwatertquaf i ty . E x p e c t e r f tomeet ARAHs (ordischarge ofcontaminated water tosurface water or POTW,Action-spec i f i c A R A R sare expected w De met.L o c a f i o n - s p a c i f i cARARs shouW ba m»t

tmenocY NO. 3 j untarwn NO. *

t-ong-Tarm£f t e c t l v ene sa anaPermanenceThe looo-iefme f f e c t ivene s s of totsalternative is c o m p a r a b l et o A l t e r n a t i v e 4 A .Treat mem ofcomaminanis pr ior todischarge Co s u r f a c ewater 01 POTvV wouldo f f e i more long-termf l e x i b i l i t y in meetingtreatment g o a f si f t a nAlternative 4 A . I f proper lyi m p l e m e n t e d , l ong-t erme f f e c t i v e n e s s i s h i g nA l t e r n a t i v e r e m e d i a t e sex i s t ing c on tamina t i onand prevents f u t u r espreaJ ot c o n t a m i n a n t s

Reduction ofT o x i c i t y , M o b i l i t yand VolumeT h r o u g h

c f K e n o n NO. s

Shon-Term

untecwn NO. B

T r e a t m e n t j EEfectiver*ess ' impiementaO*tyT f t d r t f o t u m o . m o b r i r t y ,and t o s r c l t y ofc o t r i a m i n a n t s ing r o u n d w a t e r anaieaciiate would bereduced t F i r o u g hco t e c t i on and t r e a t m e n t

f t i i s «it«rnat!w« i se f f e c t i v e in thesnort-term Risks tow o r K e r s w o u l d begreater tnan forA l t e r n a t i v e 2. 3isk= toworkers would becampaiable t o r i t k sncrmal l / as sociated withc lo sure of a munic ipall a n d f i l l R.sks l o i h ac o m r t i L i n i t y wouldinclude po t ent ia iemission ofc o n t a m i n a n t s dur ingtreatmem and t ran spor tof m a t e r i a l s via truck orp i p e l i n e t o a POTW.Remedial a c t i on s cou l cJcause e n v i r o n m e n t a lmpacts. E f f e c t i v e inp r e v e n t i n g exposure tof l y m a n ande n v i r o n m e n t a lr e c e p t o r s

A i t s t n a t l v i t 5A is

Cotartoo NO. 7

Costs(Capital and O & M )The 1991 presentt e chnicai ty (easibte. T h e j n e t worth ty** is

admini s trat ive feasibilityof A l t e r n a t i v e 5A wouidbe dependent on tnep o t e n t i a l t o m i t i g a t edi s turbance s oo sur facewater b o r f t e s ,

55.3-34 1 mi fbor t .i n c l u d i n g c a p p i n gOptions t. 2. and 4;and, d i s charge toa POTW or sur fa c ewater under anN P D E S Permi t .

g t i t e t i o n NO. 8 1 criterion NO. 9

S t a t e Accep tanceTha s t a t a has shown nop r e f e r e n c e amongsta l t e r n a t i v e s T h ea d a p t a b i l i t y oralternatives wil l aeassessed F o l l o w i n gcomment oo ifiaF e a s i b i l i t y S t u d y Report

Communi tyA c c e p t a n c eThe community hasshown no p r e f e r e n c eamongs t a l t e r n a t i v e sThe a c c e p t a b i l i t y r>(al ternatives wiil beassessed f o l l o w i n gcomrnsnt on ihaF a a s i W i t t y S t u d y Ranort

Page < of

) 0 0 8 6 0 9

TABLE 6-3E V A L U A T I O N O F REFiNED A L T E R N A T I V E S A G A I N S T T H E N I N E C R f T E R l A

&*&*•;'•• v*&K

Atemaf lwe

' '^coflitQisNKa' -i& ;••Overall Protectionof Htanan Haaft f tand theDescription ! EtMfonRiesW

AOamatrveSASourceContainment:LeachateExtraction,Treatmentand DischargeTechnology Types:Capp ing ,AccessRestrictionsand Monitoring

Land use restrictionsand capping wouldprevent direct contactv«ithwast».Hydraulic containmentof ieachate and alluvialgroundwater around theperimece* of S» tend*woua provide fongHBrmprotection of humanhealth and areeovirofiment. Remedialaction would rertwdtategiouddwatet near thet a n d f i K -

: : J U O t f l r t O B N O . 2 1 .Compliance withApplicaOle exRetewarft andAppropr ia t ef t equr&nec t t s

CRemicaS-spec i f i cARARs to t groundwaterquafi ty may not Oe metC n e t n t o a t - G p e c f l t cARARs for treatment ofteachate prior to surface*waier o» POTWdischarge aê sepectedto> be met.Acoon-spec t f i c A R A R sshoukt be met by tfiisalternative.

criterion NO. a

Long-TermEffec t ivene s s ancPermanenceLong-term sourcecontainment o! leacnateis provided Oy t h i sal t ernat ive . I t p r o p e r t yimplemented long-termeHec t iv ene s s i s high.Residua* risks for(ngesticn o! groundwaterremam; long-term naturalattenuat ion mechanismsmay reduce this risk toa c c e p t a b l e leveis.

Location-spec i f i c jAHARs should be metby Itiis a K e r n a t i v e .

.

criterion NO, 4Reduction ofToxiciry, Mobili tyand volumeT h r o u g hT r e a t m e n t

T h e volume, m o b i l i t y ,and tox i c i iv ofc o n t a m i n a n t s ing r o u n d w a t e r andl eacha ta near triel and f i l l would b e r e d u c e dt h r o u g h c o l l e c t i o n andt r e a t m e n t .

cntsrton NO-. 5

S h o r t - T e r mEttectsve-nessT h i s a l t e r n a t i v e i se f f e c t i v e in shes h o r t - t e r m R i s k s toworkers w o u l d begreater i f i a n f o rA l t e r n a t i v e s 4A and SA.Risks to the communityinc lude the p o t e n t i a l togenerate air emissionsd u r i n g t r e a t m e n t .Remediat act ions couldcause environmentalimpact s . E f f e c t i v e inp r e v e n t i n g e xpo sur e tohuman ant;a n v i r o n m e n t a lr e c e p t o r s .

umarton NO. s

i m p l e m e n t a f x t t t yA l t e r n a t i v e 6A ist e c h n i c a l l y f e a s i b l e .T h e a d m i n i s t r a t i v ef e a s i b i l i t y o fi m p l e m e n t i n g Alternat ive6A would be d ep enden ton me p o t e n t i a l tom i t i g a t e dis turbances tosurface water bodias.

uraenon NO. ?

Costs(Capital and Q*MyThe 1991 presentnet worth isS S . C - 2 2 . S m i l l i o n .in c lud ing c a p p i n gOptions 1, 2. and 4;and, discharge toa POTW or s u r f a c ewater under an

(Jtiterwrt NO. a Critanon NO. 9

tj CommunityState A c c e p t a n c e f A c c e p t a n c eThe s ta t e has shown r>op r e f e r e n c e amongsta l t e r n a t i v e s . T h oa c c e p t a b l y o fa l t e r n a t i v e s will oeassessed f o i ' a w i n gcomment on theF e a s i b i l i t y S t u d y R e p o r t .K P D E S Permit.

1

The c ommuni ty ha sshown no p j e f e r e n c eamongs! a l t e r n a t i v e s .T h e a c c e p t a b i l i t y o fa l t e rnat ive s will beassassed f o l l o w i n gcomment on theF e a s i b i l i t y S t u d y Ropon

Pag« 5 or 10

) 0 0 8 6 1 0


H j j f e g B f t y S * * . f s g J v * ! 5

AJtematweDescription**«***«?SourceContainment:LeaehaseExtraction.Treatment andWsc f targeTecrmatogv Typos:Accessr Restrictions,Monitoring,C a p p i n g andS f m r y W a f l

' ^ ^ S f ' C ^ t e n a B ' i W - f - & - ' • •Overall Ptotecf ioRof Human H a a f i nand (tie

Land use restrictionsand; capping wouldprevent *ect contactwith teacfcale and wastapit soils. Hydratecontainment ot laachatewould- provKJ- tortg-termaroteesioa of humanreaVt and BWscares coniaminaiws-Contaminams in afluvte*groundwuer woufdpresent a Btintmal risk tohuman heaf t t i and toeenvironment that woufdbo addressed Wweugnnsturaf attenuation

' & & l r J i ! S n t e < i c n f i i c i . - - £ ^ ' „ ' i • " . C r t t e i t m N o , I U ' 'Compi iaf l c e withA p p f i c a b t e o rRetevantandAppropr ia t eRequirements

ChetTucaJ-spe c iRcARARa for f jroundwawrqoasty ma? net be metC h e f f i i c a t - t p s c i f i cARASs (of treatment of. t eacf iate prior to surfacewater or POTWdiscnatge are expectedtc-bemet.Ac&w-speci f i c ARARSs f t ou td be met fty thisalternative.Location-speci f icARARs s h o u f d Be met5y Bits alternative.

f

— — — • — — — — — — — — — —

Long-TermEff e c t ivene s s andPermanencaThe long-terme f f e c t ivenes s of thisalternative isc o t n p a / a f i t e toA l t e r n a t i v e S A .Long-term sourcecontainment of leacttateand waste pit soil s isprovided by thisalternative.I f proper ly implemented:.rong-term e f f e c t i v e n e s sis high.

criterion. NO, 4 .Reduction o(Toxi c i iy , M o b i l i t yant) VolumeT h r o u g hTreatment

T h e v o l t i m e , m o b i l i t y ,and toicicity ofc on taminant s in

' * CfitBnon Wo. b

Short-TermEftectiverwssT h i s a l t e r n a t i v e i se f f e c t i v e in thashor t- t erm. Risks tof e a c h a t e would be [ w o r k e r s w o u l r j be s imi larreduced t h r o u g hc o l l e c t i o n and t r e a t m e n tT h e volume, m o b i l i t y ' ,and t o x i c i t y ofContaminant s in a l / u v i a fgroundwater would notbe act ivery reduced by

t h i s a l t e r n a t i v e .

to A l t e r n a t i v e 6A.D r i l l i n g w e l l s t h r o u g h t h ef a n d f i d corvstttutesgreater ri sk to workersthan A l t e r n a t i v e 4A and5A. Risks to thec ommuni ty w o u f dI n c l u d e the p o t e n t i a l togenerate air emi s s ionsd u r i n g t r e a t m e n t .Remedial action couldcause env i ronmen ta limpac t s . E f f e c t i v e inp r e v e n t i n g expo sure Cohuman and

Cntenoo NO- e

tmptementab i l i tyA l t e r n a t i v e 63 ist e chnical ly feasible. Thea d m i n i s t r a t i v e f e a s i b i l i t yo f A l t e r n a t i v e S B wouldbe d e p e n d e n t on thep o t e n t i a l t o m i t i g a t edisturbances to surface

, CoiarxxiNo-7

Costs(Capi ta l and O & M )The 1991 presentnet worth isS7.2-23.9 m i l l i o n ,in c lud ing c a p p i n go p t i o n s l , 2 , and 4;and, d i s charge toa POTW or surfacewater bodies near the water under ansite. N P D E S P e r m i t .

environmental [receptors.

urnanoct NO. 3

S t a t e Accep tanceThe s t a t s lab sho^n nopraferenca amonnsta l t e rna t iv e s . T h ea c c e p t a b i l i t y o fa l t e r n a t i v e s w i ' f b eassessed l o l l o p i n gcomment on theF e a s i b i l i t y S t u d y Report.

ii

crKenon N o T s

CommunityAccep tanceThe c o m m u n i t y hasshown no preferenceamongst a l t ernat ive s .The a c c e p t a b i l i t y o fa l t e r n a t i v e s wtW beassessed f o l l o w i n gcomment on theF e a s i b i l i t y S t u d y R e p o r t

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TABLE &-3E V A L U A T I O N O F R E F I N E D A L T E R N A T I V E S A G A I N S T T H E N I N E C R I T E R I A

w g & w i S ' ^ s g s s i S E - r ^

Description

sf^ssitasftflôwBaa^;-;"Ôveraif Protsctkwa? Huroan HeadR

Alternative 7A JLand use restrictionsSourceContainment:GroundwararExtractionand Ofscharge;LeacnateExtraction,Treatment andDischargeTee f cno togy Types:Capping,AccessRestrictionsand Monitoring

and capping mfoutaprevent dfrecscoroact•rtfc wasse. Kytirx&ccomamownt of teachaieand alluvial groundwaterwould provide long-termprotection of humanhealth and: &eenvironment Remedialaction would remediategroundwstec near thelandtt t t

^-s?CRWnoo NCK2 "4Compliance w f t hAppl i cab l e crRelevant andRequirements

C a p a b f e of meetingchemical-specif icA R A R s f o r groondwatercjuatty. Expected tomeet ehenncaJ-specifk:A R A H s f o r treatment o ff eachate and dischargeto surface water orP O T W . May not meetcnemicai-speaftcA R A R s (or discharge ofuntreated groundwaterto a P O T W .Action-spec t f i c A R A R sunder the CWA andRCRA may not be met.Locarion-scecnic ARAR:snauid be met by thisal ternat ive .

.;r «; untecKXt NOJ &

Lon^-TermEffecaweness andPermanenceThe long-terme f f e c t i v e n e s s o f t t i i sa l t s r n a f i v e I s e s s e n t i a l l ythe same as A l t e r a t i v e6A. Long-termcontainment ofgrcundwater and leach ateis provided by th i sarternative. I f p r o p e f t yimplement ed , l ong- t erme f f e c t iv ene s s is high.

uniertorv NO, t -iReduction ofToxic i ty, Mobili tyand VolumeThroughTreatment

T h e vo lume , m o b i l i t y ,and t o x i c i t y o fc o n t a m i n a n t s I ngroundwat er andt e a c f i a t e would bereduced t h r o u g hc o l l e c t i o n and t r e a t m e n t

;; • uriteran NO, 5 t witanofv NO: a ••- i i ' u m a n o r t W Q . ^ : , -

Ef f e c twene s sThi s a l t e r n a t i v e i se f f e c t i v e in th eshort-term. Ri sk s towcxkers w o u f d becomparabl e toA l t e r n a t i v e 6A. Risks t othe community wouldi n c l u d e the p o t e n t i a l t ogenerate air emissionsd u r i n g t r ea tmen t andtranspor t o f m a t e r i a l s t oa POTW via t ru ck orp i p e l i n e . Remedialact ions could causeenvironmental impacts .E f f e c t i v e in p r e v e n t i n ge x p o s u r e to human andenvironmenta lre c ep tor s .

i

t c n p t e f n e n t a b i f i t yA l t e r n a t i v e 7A ist e c h n i c a l l y f e a s i b l e . T h ea d m i n i s t r a t i v e f e a s i b i l i t yof A l t e r n a t i v e 7A wouldbe d e p e n d e n t on thep o t e n t i a l t o m i t i g a t edi s turbance s to s ur fa c ewater bodies near theS i t e .

Costs(Capi ta l and O&M)T h e I 9 9 t presentnet worth is$6.3-23.0 mi l l i on .in c lud ing capp ingo p t i o n s 1, 2, and 4;and. discharge toa POTW or sur fa c ewater undei anN P O E S Permit.

cntertort NO. a

S t a t e Accep tanceThe s t a t e has shown nop r e f e r e n c e amongsta l t e rna t iv e s . T h ea c c e p t a b i l i t y o fa l t e r n a t i v e s w i l t beassessed f o l l o w i n gcomment on theF e a s i b i l i t y S t u d y Report .

criterion N O ' , 9

Communi tyAcceptanceT h e c ommuni ty l i a sshown no p r e f e r e n c eamongst a i t e cna i iv e sT h e • ' c c e p f . a b i l i t v o fa l t e r n a t i v e s w i l l t i eassessed f o l l o w i n gcomment o f me Rl/FSbe assessed (0110*1113comment on theF e a s i b i t i t y S t u d y R e P 1 1

Pao» 7 of 10

) 0 0 8 6 1 2


maaim«z-Kmzw

Atema&weDescriptionW e m a s v e T S :SourceContainmentGroundwaterEctraeaon andDischarge;ieaertafeExtracOortTreatment andDischargeTechnology Types:AccessRestrictions,Monitoring,C a p p i n g andSlurry wall

?mxcatsaoo!ns^^ssÔwrafl Pswecfionerf H t f a a a Heada n t f l t oEnriraitRient

Land use restriction and

a^»' cmaooo MQ. _g^__-CompJianca wrihA p p f i c a f i i e o fRetev&tt andA&pfoffta&sRequirsRieRCS

CapaWe of meetingcapping would prevent j c f i e m i c a t - s p e c i f i cdirect contact witnwasie. HytftavteceooKwwnefa of teachateand afevtat grotindnvaterffOuKt provide loog-iermprotecuon of Rumarct K i a t t t i a f l d t R f ietivirooment. Remediataction woukt remediategrotmowate.* near tneSafx i f i f l . This aternative

A R A R s for ground* aterqua[(ty. Expected tomeet c h e m i c a f - s p e d f i cA R A R s (or treatment ofteacnate and discrracgeEo surface water orPOTW. May not meetchemical-specif icARARs for discharge o funtreated grotindwarerto a P O T W .provides an addRianat Action-spec i f i c ARARSmeasure of protectionover Attemaiwa 7Athrough containment ofteacnate By a sturdy waif

under the CWA andRCRA may not De matLocation- s p e c i f i cA R A R s are expected tobe mat by srusaRsrnat fve

''. wmsrron NO. s

Lort f?- l erm£Seetfvencss andPermanenceT h e tong-term

cnterion NO. 4Reduction ofT o x i c i r y , M o b i l i t yand VolumeT h r o u g hTreatment

T h e volume, m o b i l i t y ,e f f e c t i v e n e s s o f th i s j a n a t o x i c i t y o fa l t e f n a t i v e is c omparab l eto A l t e r n a t i v e 7ALong-term c o n t a i n m e n tof gcoundwater andf e a c h a t e is p r o v i d e d byth i s alternative.

c o n t a m i n a n t s ing r o u n d w a t e r andl e a c h a t e woutd ber educ ed t h r o u g hc o l l e c t i o n and t r e a t m e n t .

1 : Criterion No. 5

S h o r t - T e r mEf f e c t iv ene s sT h i s a l t e t native ise f f e c t i v e in meshort-term. Risks toworkers would be s i m i l a r

umsrton NO. Q •

( m p i e m e n t a d t t t t yA l t e r n a t i v e 7B ist e c h n i c a l l y f e a s i b l e . T h ea d m i n i s t r a t i v e f e a s i b i l i t yof A l t e r n a t i v e 73 wouid

untarionNo. /

Costs(Capital and O&M)Tha 1991 presentnet worth isS7.5-24.Q m i l l i o n .i n c l u d i n g c a p p i n g

to A l t e r n a t i v e SB. Risks [be d e p e n d e n t on the ( o p t i o n s l . 2, and 4;to the community wouldin c lude t t i e p o t e n t i a l t ogenera t e air emi s s i on sd u r i n g t r e a t m e n t as wellas t ranspor t cf m a t e r i a l sto a P O T W via truck orp i p e l i n e . R e m e d i a lactions could causeenvironmental impacts .E f f e c t i v e in p r e v e n t i n gexposure to human aidenv ironmenta lr e c ep t or s .

p o t e n t i a l t o m i t i g a t ed i s t u r b a n c e s to sur facewater b o d i e s near thes i t e .

and, discharge toa P O T W or sur facewater under aoN P D E S P e r m i t .

i

criterion NO. a

S t a t e Accep tanceThe s tate has shown nop r e f e r e n c e amongsta l t e r n a t i v e s . T h e 1

acc ep tab ly ofa l t e rna t iv e s w i l i baassessed f o l l o w i n gcomment on theF e a s i b i l i t y S t u d y Report.

cntenoo NO. $

CommunityAccep tanceT h e communi ty H a sshown no p r e f e r e n c eamongst a l t e r n a t i v e sT t i e a c c e p t a b i l i t y o fa l t e r n a E i v e s w i l l beassessed f o l l o w i n gcomment on theF e a s i b i l i t y S t u d y Repon

Pao« fl of f 0

)008 6 1

TABLE 6-3E W L U A T O N O F RERNED A I T E R N A T I V E S A G A I N S T T H E N I N E C R f T E R l A

WBW&r-~^3A--rn

AtKttuHn

MSMtoeflAyStÔSCooa«n3Git:Q i Q L J K t a a t e rand laachate.Extraction,Treatment andDtecnarge

[reciinoiogy T j - p s s ;Capping.AccessRestrictionsand Uontto* fng

'2%ms&KBQtt?W&*^%

OveraB Protectionof Hwnap HsaBh* S f i d 9 ) 4

COMLQAECUSnt

Lar-dsseressrtcaortsaid c s i p i f w v j wou f e jjsewent dfrect contactw t f t waste. H y d r a u f t ccantainmene of t eae f ta taand ^fluvial growxftwêrwould provide to f lg- t ermprotection g< faanar-R e s f t h a n d t h etKiwaf lmont . Remedialaction woufd remediaiaigrotmdMtaMf near metentfw.

^>: ^c^BflrKKit MOif _Z;I:LVVCompliance MriOrApptfcaWa otRetewantand

FtequBentencsCapaOte ol meetingi c n e m i c a f - s p e a ' f i cARARs for gfoundwaterquaf i ty . Expected EO

ifneet cêrrucal-soectiicARARs (of treawneot ofeacf taceandgrowidwater prior todisctwge to surfacewater or POTW.A c t o O ' S p e c i f i c A R A R sare expected to be met.J-ocatron-speoficARARs are expected tobe .-net.

t-. .__,_ t . ra edMiNg.3

Long-TennEffec t ivenes s andPennanenceThe fong-terme f f e c t iv ene s s of thisatternatrve is corn parableto A t t f l r n a t t v e 7ALong-term containment0* groynOwater andleacnate is provided bythis alternative. I fp r o p e r l y im piemen tedtong-cetm e f f e c t i v e n e s s isnigrt

cnt f lr tonj jc^^v^Rediction ofT o x f c t t y , M o b i l i t yand V o f c j m e

, Ct iteitoo No. 5

T&rough j Sf i co-TermTfea snem J EHectnenessThe volume, r n o b i l t t y .and toxic i ty ofcontaminants ing r o u n d w a t e r andteacnate would hereduced t h r o u g hc o l l e c t i on and t r ea tment .

T h i s a l t ernat ive ise f f e c t i v e in thgshort-ierm. Risks toworkers would be s i m i l a r!o A l t e r n a t i v e 7A. Risksto the c o m m u n i t y wouldi n c l u d e the p o t e n t i a l ":genera** »" i,mssionsdur ing treat men t.Remedial actions couldcausa env ironmenta l' i m p a c t s . E f f e c t i v e i npreven t ing e xpo sur e tohuman andanvitonmentalre c ep tor s .

_ L _ g q « H o n j M f > . _ 7 _ _

Costatmptementaintitv [ (Capi ta l and O&M)A t t e f r t a i i v e SA ist e c h n i c a l l y f e a s i o f e . T n eadministrative f e a s i b i l i t yof A l t e r n a t i v e S A wouldbe d e p e n d e n t on tnep o t e n t i a l t o mrt i^d tad i s turbanc e s to s u r f a c ewater bodies near thes i t e

The 1991 presentnet worth isSS.4-23.6 mill ion,i n c l u d i n g c a p p i n gopt ions 1. 2. and 4;and, discharge toa POTW or surfacewater under anN P D E S P e r m i t .

___^tgatjggj*g._8 __

S t a t e Accep tanceThe s ta t e has shown nop r e f e r e n c e amongstalternatives. Thea c c e p t a b i l i t y o fa l t e r n a t i v e s wi l l beassessed To ( ( o w i n gcomment on theF e a s i b i l i t y S t u d y Report.

1

j _

craenon Mt>. 9

CommunityA c c e p t a n c eThe community hassnown no p r e f e r enceamongst a f f f i r n a t i v e sT n e a c c e p t a b i l i t y o fal t ernat iva s w i l l S eassessed f o l l o w i n gcomment of the Rl/l- Sbe assessed f o l l o w i n gcomment on theF e a s i b i l i t y S t u d y Report

.. „ . .Page 9 of IO

) 0 0 8 6 1 4

TABLE 6-3B A L U A T I O N O F R E F I N E D A L T E R N A T I V E S A G A W S T T H E N I N E C R I T E R I A

m^*->AW*^:i&Bst^W&yiiF

AlternativeDescription4*s*w?arw»SfitSourceComa-nment:Ground-water andLaachateEuraeaon.T*as«oen!a«*Discharge

t ec twofogy Types:AccessH s R f t e t o f i s ,Monfcoring.Capping andSlurry «aH

OeraB Protectionof Human Heaithand theEnvironmentLand use restrictionsand capping woyfc fprevent direct contactwith waste. HydraoScconfamftier.t of teachaieand aifcjviaf groufK*vater«rouB p f o w d e tcRlQ-Wnn

> * : l l C W S R O a N ( » S " -Ccmpiianee wi t f tA p p S c a t r f e o rRelevant andA p p f o p r i a t eRequirements

C ' J p a & t e o f meeaigcfien«cat-specift;ARARs tot g r o u f x J w a M rQua*ry. Expected tomeet chemical-specificARARs for treaiment oflieachate anrf

proaocsione* humar. OJTOL rxJwate: prior toh s a f t n a r t J C F weiwiroAment. RetnedtaJaction woufo remecfiategrotmciwatar naar thet a n d f i f l .

daschsrae to surfacewater or POTW.Action-spec i f i c A R A R sare expected to be met.Location-specif icARARs are expected to' b e met.

• • ' T r W I i r i M ' N o e g " - - '

Long-TermEff e c t ivene s s andPermanenceThe long-terme f f ec t ivenes s of thisalternative is comparableto Alarnative 73.Long-tarm containmentof groundwater and

Gt\tBttOntio.4 ^Reduction ofT o x t c t t y , M o b , ; f i ' r yand VolumeT h r o u g hTreatment

T h e volume, m o b i l i t y ,and t o x i o cy ofc o n t a m i n a n t s ingrocr t cJwater andl eacha t e woulci bereduced through

T ' C Y i t s r W r i N o - S '

S h o r t - T e t mEt f e c t iveoe s sThis a l t e r n a t i v e i se f f e c t i v e in theshort-term. R r s f c s t oworkers would be s i m i f a rto A l t e r n a t i v e 63- Risksto the community wouldleachate i s provided by }co i r e c t i on a n t f t r e a t m e n t . [ i n c l u d e the p o t e n t f a t t othis alternative.

- J

generate air emissionsd u r i n g t r e a t m e n t -[Remedial actions couldcause environmentalimpacts. E f f e c t i v e inp r e v e n t i n g e xpo sur e tohuman andenwonmentairec ep tor s .

C d W W r t N ^ B ,-r

I m p t e m e n t a b i l i t yA l t e r n a t i v s SB i&t e chn i ca l ly f ea s i b l e . Tdeâ d m i j i i s t r a t i v e f e a s i b i l i t yof Alternat ive SB wouldbe d e p e n d e n t on the

' C r t t t r t t e H o . 7 1

Costs{Capital and 0&M>

Crasricn No. a

S t a t e AcceptanceThe 199' present [The s tate Has shown nonet worth is$7.6-24. 7 m i l l i o n ,i n t r u d i n g capp ingo p t i o n s i, 2, and 4;

potential to mitigate and, tiischarge tod i s t u r b a n c e s to s ur fa c ewater bodies neat ihes i t e .

a POTW or sur fa c ewater under anN P D E S Permit .

p r e f e r e n c e amongsta l t e r n a t i v e s . T r t eacceptabi l i ty ofa l t e r n a t i v e s will beassessed f o l l o w i n gcomment on theFeas i b i l i ty S t u d y Report.

CIitflfiOR NO. 9

CommunityA c c e p t a n c eT h e communi ty h a sshown no p r e f e r e n c eamongst a l t e r n a t i v e sThe acceptabil i ty ofa l t e r n a t i v e s w i l f b eassessed f o l l o w i n gcomment on theF e a s i b i l i t y S t u d y Repor

Pose (Oof to

. 0 0 3 6 1 5

Table 6-4Estimated Discharge Costs for Ref ined Alt erna t iv e s

4A access res tr ic t ions/rnori f t&ringcappingslurry wattcotJeetionpfe treatment

eapJ*af costtreatment costcapita! costdischarge fee

T O T A L

5A access restrictions/monitoringeappsngslurry waitc o H e c t f o n

capital costtreatment cost

dischargecapital costdischarge fee

T O T A L

f l j f :f^;V-:^

$200,000£3,100,000

N / A$300,000

N / AN / A

$85.000$1.000.000£4.685,000

$200.000$3.100,000

N / A$300,000£800.000$400.000$85.000

$1.000.000$5,885.000

H i g h ;: :;:V "--;>•:$200,000

£5,700,000W / A

$600,000

N / AN / A$85,000

$6,000,000$12,585.000

$200,000$5,700,000

N / AS6GO,000

$1.500,000$17.400,000

$85,000£6,000,000

£31.485.000

^fa^tfrOggi^Hp^^Wtt f iu^'"'-• : ^/y- >-streaE. ' ; . L o w ? ' • • - • ' • -

$200,000$3,100,000

N / A£300.000

N / AN / A

$40,000£0

$3,640.000

$200,000$3.100,000

N / A$300,000

£1,600.000£700,000

$40.0000

$5,940.000

) eharg ||;|i;|merit •;:" :: ^•:.-""HighS,,!l

$200,000$5,700,000

N / A$600,000

N / AN / A

$40,000$0

$6,540,000

$200.000$5,700,000

N / A$600,000

$5,300.000$16,500,000

£40,0000

$28,340.000

^^^f^':^y^f^k^''^\^'ifif:fîf^^f'^^:Y-'-i^^f^.^K'---ff^^"-^^-%f?:--: fî&^?^ : i : : ;' :; :fTri^^v-^'o^^^l^^^-Low^ -:

N / AN / AN / AN / AN / AN / A

N / AN / AN / A

$200.000$3,100,000

N / A$300.000

$1.600,000£350,000$40,000

0£6,090,000

i ' - " ' L > ^ j • " • ' ' t v • - ' . - M 7 - ' v > : : .n V t f u ^ A r L-"-r:; -" •" " '

: - = : H t g f tN / AN / AN / AN / AN / AN / AN / AN / AN / A

$200.000£5,700,000

N / A$600,000

£5,300.000$22,500,000

$40,000c-$34,340,000

2.c.cc»oO

Mate: Alternative t prason! net worth costs are SO.AEtartiai fve 2 present net worth costs are estimated to be $500,000.

Novamber T 9 9 1 Page 1 of 4 903-2223

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T a b l e 6-4Estimated Discharge Costs for Refined Alternatives• ' M : ^ 7 ':iiie6Pii«l^lfefP^;^lwAlterr i ia^^^^s f l s i^^-/^- '^;/^^- :-5 _y

7A access restriction^ monitoringc a p p i n gs t u f f y waifcollectionpretraaimemcapital cost

treatment costdischargeeapt tat cost

c f t s c h a r g e f e eT O T A L

7B access F e s t r i c t f o n s / m o n f t o r f n gcappingslurry wallcollectionpresentmentcapital cost

treatment costi dischargecapital costdischarge f e e

T O T A L

-}•: PO7W Discharge : :> Low High$200,000

$3,100,000WA

$980,000$800,000$300,000

$85,000$850,000

$6,3T 5.000

$200,000$3.100,000$2,100.000

$550,000$800,000$150,000

$85,000$500,000

$7,485.000

$200.000$5,700,000

N / A$980,000

$1 .500,000$3,400,000

$85,000$3,000.000

$t9 ,865 ,000

$200,000$5,700,000$3,600,000

$550,000$1,500.000$6,700.000

$85.000$2,400,000

$20.735,000

v;;. ;,fv: '••$Ji$$&1%B$^ ;.; NPD63 p tr^-. ,i .- ;;.::îjn^^v^:'" ;-: ":' •;;...,r' : Treatrwnt ,- ^••tjll^^^^K^-'-i::. "... 'TtotitstiQsfa^3':-. . :

• ; / ' : ' - " ' : L o w " ' - - • " ; : . ' : . Hlîvi^-l^#^^S^"'^Lo«r " - ' • ' HW-:-'$200,000

$3,100,000N / A

$930,000$1,600.000

$550,000$40,000

0$6,470.000

$200,000$3,100,000$2,100,000

$550.000$1,600,000

$270.000

$40.0000

$7.860.000

$200,000$5,700,000

N / A$980,000

$5.300,000$3,000,000

$40,0000

$20,220.000

$200,000$5.700.000$3,600,000

$550.000$5,300,000$6,400,000

$40,0000

$21,790,000

$200.000$3.100.000

N / A$980,000

$1.600.000$650,000$40,000

0$6,570.000

$200.000$3,100,000$2,100.000

$550.000$1,600,000

$320,000$40.000

0$7,910,000

$200,000$5,700.000

N / A$980,000

$5,300,000$10,700,000

$40.0000

$22,920,000$200,000

$5,700,000$3.600,000

$550.000$5.300,000$8,600.000

$40,0000

$23,990,000

O2.a.COwo£to>«•+•CDin

Note: A l t e r n a t i v e 1 present net worth costs are $0.A l t e r n a t i v e 2 present net worth costs are e s t ima t ed to be $500,000.

November 1991 Page 3 of 4 903-2223

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