APPENDI X I ES V OPERATIN G PLA N

### EMERGENC Y SAFET Y VEN T PLA N Prepare dfor : Veoli aE S Technica l Solutions , LL C

Sauget , Illinoi s

Prepare dby : Frankli n Engineerin g Group , Inc . Franklin , Tennesse e

Octobe r 200

8TABL E O F CONTENT S

1. 0 INTRODUCTIO N AN D BACKGROUN D 1 1. 1 SUMMAR Y O FFACILIT Y INFORMATIO N 1 1.1.1 Fixed

Hearth Incinerators 1 1.1.2 Rotary Kiln Incinerator 3 1. 2 DESCRIPTIO N O FTH E ES V SYSTE M 4 2. 0 ES V SYSTE M INVESTIGATION , DOCUMENTATIO N AN D REPORTIN G 7 2. 1 ES V INVESTIGATIO N 7 2. 2 DOCUMENTATIO N O FES V OPENIN G 7 2. 3 REPORTIN G O FES V OPENING S 8 3. 0 PROCEDURE S DURIN G A N ES V 9 3. 1 STOPPIN G WAST E FEE D AN D SHUTTIN G DOW N TH E COMBUSTO R9 3. 2 MAINTAININ G COMBUSTIO N CHAMBE RTEMPERATUR E 9 3. 3 MAINTAININ G NEGATIV E COMBUSTIO N CHAMBE RPRESSUR E 9 3. 4 SHUTTIN G DOW N TH E COMBUSTO R9 3. 5 DOCUMENTATIO N O FCOMBUSTIO N CHAMBE RPRESSUR E AN D

TEMPERATUR E MAINTENANC E 1 0

i iLIS T O F TABLE S TABL E 1 - 1 REGULATOR Y REQUIREMENT S FO RA N EMERGENC Y SAFET Y VEN T

OPERATIN G PLA N AN D CORRESPONDIN G SECTIO N THA T ADDRESSE S TH E REQUIREMEN T 2 TABL E 1 - 2 THERMA L RELIE FVEN T OPENING S 5

ii i1.

0 INTRODUCTIO N AN D BACKGROUN D Veoli aE S Technica l Solutions , LL C (Veolia ) own s an doperate s tw o fixe dheart h incinerator s (Unit s 2 an d3 ) an darotar y kil n incinerato r (Uni t 4 ) a t it s facilit y locate di n Sauget , Illinois . Thes e incinerator s ar e subjec t to th e Nationa l Emission s Standard s fo r Hazardou s Ai r

Pollutant s (NESHAP ) fo r Hazardou s Wast e Combustor s (HWCs) , Cod e o f Federa l Regulation s (CFR) , Part 63 , Subpar

t EE E (§ § 63.120 0 t o 63.1221) . Th e NESHA P fo r

HWC s specifie s emission s standard s whic h reflec t emission s performanc e o f maximu machievabl e contro l technologie s (MACT) , an di s commonl y referre dto a s th e HW C MACT . Hazardou s Wast e Combustor s ar e require dto hav e an Emergenc y Safet y Ven t Pla n an d t o kee p th e pla n i n th e operatin g record . Th e Emergency Safety Vent Plan mus t

follo w th e requirement s describe di n § 63.1206(c)(4) . Thi s Emergency Safety Vent Plan demonstrate s Veolia' s complianc e wit h thes e requirements . Thi s pla n include s informatio n abou t

th e facilit y as i t

relate s to th e Emergenc y Safet y Ven t (ESV ) systems , an dprocedure s tha

t wil l b e followe ddurin g an ES V event . Tabl e 1- 1 present s the regulatory reference s relate dto th e require dES V programan dthe sectio n o f thi s pla n tha

t addresse s eac h specifi c requirement . Du e t o th e genera l applicabilit y o f th e ES V requiremen t an dth e similarit y o f th e incinerato r

systems , genera l reference s t o an ES V o r incinerato r

syste mi n thi s documen t wil l impl y al l thre e systems . Informatio n tha t i s onl y applicabl e t

o on e o r tw o o f th e thre e system s wil l b e clearl y identified . 1.1 Summar

y of Facility Informatio n Brie f summarie s whic h describ e th e fixe dheart h incinerator s an dth e rotar y kil n incinerato r

ar e presente di n thi s section . 1.1.1 Fixed

Hearth Incinerators Eac h o f th e fixe dheart

h incinerator s include s th e followin g components :

• Fee dequipmen t

• Primar y an dsecondary combustio n chamber s • Lim e injectio n syste m • Spra y dryer

absorbe r (SDA )

• Fabri c filte r

baghous e

1Tabl e 1-1 Regulator

y Requirement

s fo r Emergency Safet y Ven tOperatin g Pla n an d Correspondin g Section tha tAddresses th

e Requirement Regulatory Citatio n Descriptio n Pla n Section

63.1206(c)(4)(i ) Documentatio n i n operatin g recor do f an ES V openin g whil e hazardou s wast e remain s i n th e combustio n chamber : (1 ) Recor di f

ES V by-passe dAPC S (2 ) Determin e i f

operatio n remaine di n complianc e considerin g th e emission s durin g th e ES V Sectio n 2. 2

63.1206(c)(4)(ii)(B ) Informatio n documentin g effectivenes s o f plan' s procedure s to maintai n combustio n chambe r temperature an dpressure , as i s reasonabl y feasibl e Sectio n 3. 5 63.1206(c)(4)(ii)(B ) Detaile dprocedure s fo r rapidl y stoppin g wast e fee d Sectio n 3. 1 63.1206(c)(4)(ii)(B ) Detaile dprocedure s fo r shuttin g dow n th e combusto r Sectio n 3. 4 63.1206(c)(4)(ii)(B ) Detaile dprocedure s fo r maintainin g temperature i n combustio n chambe r Sectio n 3. 2 63.1206(c)(4)(ii)(B ) Detaile dprocedure s fo r maintainin g negativ e pressur e i n th e combustio n chambe r Sectio n 3. 3 63.1206(c)(4)(iii ) Investigatio n o f ES V opening s Sectio n 2. 1 63.1206(c)(4)(iii ) Recordin g o f ES V opening s Sectio n 2. 2 63.1206(c)(4)(iv ) Reportin g o f ES V opening s Sectio n 2. 3

2• Solid s an das h remova l system s • Induce ddraf

t (ID ) fa n an dstac k

• Instrumentation , controls , an ddat aacquisitio n system s Variou s soli dan dliqui dwaste s an dgaseou s feedstream s ar e thermall y treate d i n th e fixe dheart

h incinerators . Soli dwast e i s fe dt o th e primar y (lower ) combustio n chambe r vi aafee dconveyo r

syste man dpneumati c ram . Liqui dwast e fro mtank s an dtanke r truck s are fe dt

o th e primar y combustio n chambe r throug h tw o atomize dliqui dinjectors . Liqui dwast e fro mcontainer s ar e fe dt o th e primar y combustio n chambe r throug h a specialt y fee dinjector . A gaseou s feedstrea mi s fe dt o th e Uni t 2 primar y combustio n chambe r directl y fro mga s cylinders . Of f gase s fro mahoode dfee demissio n contro l syste man dfro mawast e handlin g glov e bo x ar e fe ddirectl y to th e Uni t 3 secondary combustio n chamber . Combustio n chambe r temperature s ar

e maintaine dusin g natura l ga s firedt o adedicate dburne r i n bot h th e primar y an dsecondary chambers . Combustio n gas exit s th e secondary combustio n chambe r an denter s th e SDA , whic h provide s aci dgas remova l an dcoolin g o f th e combustio n gas . Combustio n ga s exit s th e SD A an di s distribute dto the fabri c filte r baghouses , whic h provid e particulat e matte r removal . Th e induce ddraf t fan , locate ddownstrea mo f th e baghouses , move s th e combustio n gas throug h th e syste man dexhaust s th e gas throug h th e mai n stack . 1.1.2 Rotary Kiln Incinerator Th e rotar y kil n incinerato r include s th e followin g components :

• Wast e fee dsyste m • Primar y an dsecondary combustio n chamber s • Temperin g chambe r • Lim e injectio n syste m • Spra y dryer

absorbe r • Carbo n injectio n syste m • Fabri c filte r

baghous e • Solid s an das h remova l system s • I D fa n an dstac k

• Instrumentation , controls , an ddat aacquisitio n system s Variou s soli dan dliqui dwaste s ar e thermall y treate d i n th e rotar y kil n incinerator . Soli d waste s ar

e fe dto ara mfeede r

vi aaclamshell , adru mfee dconveyor , an dan auxiliar y

3fee dconveyor . A hydrauli c ra mpushe s th e soli dwast e int o the kiln . Liqui dwaste fro m

tank s an dtanke r

truck s i s fe dt o th e primar y an dsecondary combustio n chamber s throug h atomize dliqui dinjectors . Combustio n chambe r temperature s ar

e maintaine dusin g natura l ga s fire dt o adedicate dburne r i n bot h th e primar y an dsecondary chambers . Combustio n gas exit s th e secondary combustio n chambe r an denter s th e temperin g chamber , whic h provide s coolin g o f th e combustio n gases . Th e combustio n ga s exit s th e temperin g chambe r

an di s distribute dbetwee n tw o identica l SDAs , whic h provid e aci d ga s remova l an dadditiona l ga s cooling . A carbo n injectio n syste mi s utilize dfo r controllin g dioxin/fura n an dmercur y emissions . Th e activate dcarbo n i s ai r injecte dint o th e combustio n ga s immediatel y downstrea mo f th e convergenc e o f

combustio n gase s fro mth e SDAs . Fro mth e SDAs , combustio n gas i s distribute dt o fabri c filte r baghouses , whic h provid e particulat e matte r removal . Th e I D fan , locate ddownstrea mo f the baghouses , move s the combustio n ga s throug h th e syste man dexhaust s th e ga s throug h th e mai n stack . 1. 2 Descriptio n o

f th e ES V Syste

m Eac h incinerato r

i s equippe dwit h an emergenc y safet y ven t (ESV ) locate da

t th e to p o f th e secondary combustio n chamber . Thi s ES V i s arefractory-line demergenc y therma l relie f ven t (TRV ) whic h i s hel di n th e close dpositio n b y apneumati c cylinder . Th e contro l valv e i n th e lin e supplyin g ai r t o the cylinde r

an dth e cylinde r

ven t valv e whic h open s th e TR V ar

e locate di n th e contro l roo mfo r eac h unit . Valv e lock s (wit h key s attached ) ar

e utilize dt o dete

r indiscriminat e operatio n o f thes e valves . Openin g o f th e T R V allow s ho t

combustio n ga s t o ven t fromthe combustio n syste mdurin g emergenc y shutdow n events . Th e purpos e o f th e TR V i s t o protec t th e downstrea mAPC S from excessiv e temperature situations . Condition s whic h ma y warran t aTR V openin g ar

e summarize di n Tabl e 2-1 . Typically , alarm s and/o r

interlock s wil l b e triggere dprio r to thes e condition s bein g present . Alarm s provid e th e operato r

th e opportunit y t o tak e measure s i n attemp t t o restor e prope r operatin g conditions . Otherwise , acontrolle dcutoff o f th e waste feeds , a n AWFCO , o r a n emergenc y shutdow n ma y occu r prio r to openin g th e TRV . I f hazardou s waste i s bein g fe da

t th e tim e th e TR V i s opened , th e TR V positio n transmitte r wil l detec t

th e T R V openin g an dtrigge r an AWFCO .

4Tabl e 1- 2 Therma l Relie f

Ven tOpenings Paramete r Conditio n 1 Electrica l Supply

- Los s o f Powe r Ai r Suppl y Los s o f Ai r Pressur e (TR V wil l fai l open ) I D Fa n Failure/Malfunctio n SD A Exi t

Ga s Temperatur e > 50 0 ° F Emergenc y Shutdow n Operator' s Discretio n Th e operato r

i s permitte d t o ope n th e TR V i f thes e condition s ar

e present .

5Uni t 4 i s equippe dwith , asecon dES V locate da t th e kil n face . Thi s ES V i s referre dto a s th e surg e ven t

an di s kep t

close db y aweighte dlouver . Th e surg e ven t wil l onl y ope n i f there i s apressur e excursio n i n th e kil n sufficien t enoug h to overcom e the weighte d louver . A deflecto r

separate s th e escapin g combustio n ga s fro mth e feed , an dth e surg e ven t angle s t o ahorizonta l opening . Thi s desig n minimize s th e entrainmen t o f soli d throug h th e surg e vent . A n ES V openin g ma y correspon dwit h amalfunctio n event . Informatio n regardin g operatio n o f

th e incinerato r

an dth e associate dcontro l equipmen t durin g time s o f

start-up , shutdow n an dmalfunctio n i s provide di n the facilit y Start-up, Shutdown, Malfunction Plan (SSMP) .

62.

0 ES V SYSTE M INVESTIGATION , DOCUMENTATIO N AN D REPORTIN G 2. 1 ES V Investigation I f a n ES V open s fo r

an y reaso n durin g norma l operations , th e operato r i s instructe dto : 1 ) Verif y tha

t al l wast e feed s to th e incinerato r ar e cutoff , 2 ) I f possible , operate th e I D fan , an d 3 ) I f possible , maintai n norma l combustio n chamber temperature s o n natura l gas . I f hazardou s waste i s i n th e combustio n chambe r durin g aES V opening , th e incinerato r superviso r

shoul db e notifie da s soo n as possible . Th e incinerato r superviso r

wil l coordinat e wit h technica l staf f to determin e potentia l cause s fo r th e even t

an dto estimat e excessiv e emissions . 2. 2 Documentation of ES V Openin g Eac h instanc e i n whic h th e emergenc y ven t open s wil l b e recorde di n th e facilit y operatin g record . Thi s recor dwill , a t aminimum , includ e th e date , time , an dth e operatin g mod e a

t th e tim e o f

th e ES V opening . Thi s dat ai s automaticall y documente d i n th e operatin g recor db y th e CMS . I f th e ES V open s whe n hazardou s wast e remain s i n th e combustio n chambe r {i.e., whe n th e hazardou s waste residenc e tim e ha s no t expired ) durin g an even t other tha n a malfunctio n (as define db y th e facilit y SSMP) , Veoli apersonne l wil l documen t tha t a n E S V event

occurred, determin e i f th e facilit y remaine di n complianc e wit h facilit y emissio n standards , an drecor dth e finding s o f tha t determinatio n i n th e facilit y operatin g record . Sinc e th e ES V i s locate dupstreamfro mth e facilit y ai r pollutio n contro l device s (APCD) , i t

i s understoo dtha

t combustio n ga s by-passe s thes e emissio n contro l device s durin g an ES V event . Thi s by-pas s wil l b e documente di n the facilit y operatin g record . I f an ES V openin g i s attribute dt o amalfunctio n an doccur s whe n hazardou s wast e remain s i n the combustio n chamber , amalfunctio n recordkeepin g for mwil l b e complete d t o documen t

th e event .

72.

3 Reportin g o

f ES V Openings I f a n ES V openin g result s i n afailur e t o mee t th e emissio n standard s fo r th e facility , Veoli awil l submi t

awritte n repor

t withi n fiv e day s o f th e ES V event

t o Illinoi s Environmenta l Protectio n Agenc y (IEPA) , documentin g th e result s o f th e investigatio n an dcorrectiv e measure s taken . I n mos t case s whe n an ES V event occurs , i t

i s instantaneous . Therefore , i t i s practica l t o assum e tha t diminimu s emission s occur durin g thes e instantaneou s events .

83.

0 PROCEDURE S DURIN G A N ES V I n th e event

o f an ES V openin g tha

t occur s whil e burnin g waste , i t i s importan t

tha t wast e fee di s stoppe drapidly , an dtha t combustio n chambe r

temperature an dnegativ e pressur e ar e maintaine dt o th e extent practical . Followin g the expiratio n o f th e hazardou s wast e retentio n time , shuttin g dow n th e combusto r (allowin g ke y component s to cool ) i s equall y important . Thes e item s ar e addresse dbelow . 3. 1 Stoppin g Wast e Fee d an d Shuttin g Down th e Combusto r A n ES V openin g i s likel y t o b e precede db y aAWFC O o r safet y interloc k

tha t cause s a wast e fee dcutof

f prio r t o th e ES V opening . Th e ES V positio n i s als o interlocke dwit h th e AWFC O system . Thes e redundan t measure s ensure tha

t waste feed s wil l b e stoppe d durin g a n ES V opening . I f th e AWFC O syste mfail s t o cutof f waste s to th e incinerator , th e wast e wil l b e manuall y cutof f i n aquic k

an dsaf e manner . Wast e burnin g canno t resum e unti l th e ES V i s closed , correctiv e action s taken , permissio n i s grante dfromth e incinerato r

supervisor , an dal l parameter s ar e withi n limits . 3. 2 Maintainin g Combustio n Chambe r Temperatur e Combustio n chamber

temperature s ar

e maintaine dusin g natura l ga s fired adedicate d burne r i n both th e primar y an dsecondary combustio n chambers . I f possible , th e burnin g o f natura l ga s wil l b e use dto maintai n adequat e combustio n chamber

temperature s fo r th e combustio n o f

wast e remainin g i n th e incinerator . 3. 3 Maintainin g Negativ e Combustio n Chambe r Pressur e I f possible , the I D fa n wil l b e operate ddurin g an TR V openin g to minimiz e th e quantit y o f combustio n gas tha

t by-pas s th e ai r

pollutio n contro l equipment . Operatio n o f th e I D fa n durin g an ES V openin g wil l maintai n negativ e combustio n pressure to th e ful l extent tha t i s reasonabl y feasible . I t i s likel y tha

t th e openin g o f

th e TR V wil l caus e th e syste m t o los e negativ e pressur e (i.e. th e I D fa n canno t induc e astron g draft) . Fo r surg e ven t opening , th e positiv e pressur e excursio n wil l b e temporary , an dth e I D fa n (i f operable ) wil l b e use dt o restore negativ e pressur e i n th e primar y chamber , as quickl y as possible . 3. 4 Shuttin g Down th e Combusto r A n even t

whic h cause s a n ES V openin g ma y requir e acol dshut dow n o f

th e combusto r i n orde r t o perfor mcorrectiv e actions . Afte r sufficien t

effor t i s taken t o minimiz e emission s b y maintainin g th e temperature an dpressure , th e incinerato r superviso r

wil l decid e i f ashut dow n i s warranted . I f th e ES V openin g correspond s wit h amalfunctio n

9even t the n th e correctiv e measure s take n wil l b e consisten t wit h th e procedure s prescribe db y th e SSMP . 3. 5 Documentatio n o f Combustio n Chambe r Pressur e an d Temperature Maintenanc e § 63.1206(c)(4)(ii)(B ) require s tha t th e facilit y demonstrate tha t th e procedure s o f

thi s pla n ar e adequat

e t o maintai n combustio n chamber pressure an dtemperature whil e hazardou s wast e remain s i n th e incinerator , i f feasible . Th e occurrenc e o f a n emergenc y safet y ven t

openin g a

t th e Veoli afacilit y i s possibl e onl y i n aselec t se t o f circumstances , whic h are describe di n Sectio n 1. 2 o f thi s plan . I f

natura l ga s canno t

b e burned , i t

i s no t feasibl e t o maintai n th e combustio n chambe r temperature durin g an ES V event . Likewise , i t

i s likel y tha

t th e openin g o f

th e TR V wil l resul t

i n th e los s o f

negativ e pressure . Th e duratio n o f asurg e ven t

openin g wil l typicall y b e brie f an donl y momentaril y preven t

maintainin g th e combustio n chamber pressure . Th e procedure s presente di n thi s pla n wil l b e followe dt o minimiz e the effect s o f suc h occurrences .

1 0