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### Thl¡ ¡nemorandu¡n

le tn-reaBolsg

;t? crarfilã"':fott ãf ep¡'r golfcv :"!!1ls ãñi;g st rrtuPr ehuÈdotrn¡ nafnt€ttttlcer å 'rgqueEÈ f,or a to Eicaee eufselong and nalfunctlons' Excssg enlsalon provlslons for istartup' ¡hutdown' a',ñ.!r- ¡nd tãlrüñ*tons *erc gflcl lncrudeq-Ï^t 

## J.ro.:iï"":,"i;å'ålirüíI[iå;;-';"ic eften-rñåruoed agÞârr ôf 

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# Êrpcrroncs'"

ïä;i::ililtliil-;;i-î"3ifllrl:::3i*31 ü: uar gtven ÊSpoflon9g_.11-Þ5e{;tt¡tÐ.$u b"v"Dt t-----ilgtenCy. Of gh9g9 üo the'adequae!, cneorgieUt!!!{'.?39 ::3- ¡rrnrarrâd with b to the'adequ¡cyr GnEQssoEu¿rÀr'rt e"e -'-ã-ã;gioicd wlth broad iloliãrãnt.' c-oncequentlyr -Dany. srPa ::: ---,r taaa¡t'-åaf lncd oroVlelõn"'tO Contfol elécSs gmlsslOns'' plOVlElOllEr -uc'n¡ttatluE'¡L-¡ t 'F5"r 1 eléCSS emlESlOng'. ñã' iõããätv-aittncd ¡rrovielons to contro 

### In 1e?8, EPÀ adoptàd ano*ceeg'^:T1.1t1:Î""r::l1ff"loli¡"o"o n ltTEr EPA_aE¡ePEü¡¡ clr. g.rYEee' vr"r----' ãnA that SXlSted 

### i"il' ãirãätrvá-ãttenrpts to, rectftv- proÞl r"^-- *ça'tl¡lons¡ thls Dorl;;-ãfsåfio"ed 9ut911!f:- .nanyr -lggg eftgccr'tÐ ¿EEn¡¡lrreÐ þv --=---iliõwea autolüttlc 

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etiiã"iã' EÈâÈs8.91n1-::-:o' 

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liiiÏrliË r;- ;ñ;ã :'lg :--':l :1' "ff n l.:r"':ou E8Ê I :il liä;"l ni' o!äË.ã ifi ;i;; -¡¡'_ *:.?,:u :::,, *::.:ni""ã:;:l 

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"I'r in -ããié,¡r, nl ng ;iåffiå;"lo!-iieã'ã"ñã"t actlon le roqu'lrod'



# W,:;*' . l The ratronale tor eetabttchlng thcse enfegfone ùt. ! ulol¡tfonsr ¡B o¡rpoecd- t" giiñlfng-"utotlttc erernpÈlons¡ le I Èhet grPs aro a¡nbfÊnt-uaeed-ãËãnãiras ?nd any enlsslons above i 

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def lnltlon and llnrf,taEloner' th"ee_autonatlc eremgtlon provtafone "oürã-äEãããtirríy-äñiãr¿-::a:il-o*tãiiong arlelns I fro¡¡ Door op"lläfãi- iñã-t"i'nt"nance 9r. oãã róî' -tt'ue -preelud

tng i ¡*atnnenr. Ã¿Orttonally;'ü-äË;[rf ár'íiã-ãn'enCorcãnenÈ | ôfecrerton aplioach and by ;åq"î;tü-thã--äourc" Èo denonttrrte i 

### rheexlEtence-ãi

an unrvofolËÏä-ñliËun"t:li.i:,::¿ ãourc"'egoi thg 9xl8Celltrg sr or' u"rvváEr'-- ¡'---- ncouraged. -nalntcnance prããeãurea ¡rs lndirecfly ett . ,i.

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åÈÈ.¡ched

ts a docurnenr-_!!.ifrg FÞA:gDrorent poltcy on exca's c¡ntesron¡.

. Trrfe doeur¡cnÈ

uãgiãiriy-iãiõä".iõ" thc earlþr- pollcr, wlth sono rerrnã¡na;ã ;;-ti,s -põiiõi-iËgi'ÉãrnE,. .; elee¡'¡ enleslone durfng rcrfoãJ-är"i"ñiduled malntcn¡îGer. a^qucetron.

hie crsoibeenrarscd ae to uhat "*a"n, : operatlng Þernlte c¡n bo uaed tð-iãorðã, "*ceas enfssrone fn -cr'or whereÈhâsrp fe'srlent on-Èhfe-LgeuE or shcrc tbe srp få dsflcfint. elhóre

ttt"-s'iñ-r¡-gflcñt-ãn-excees enfeelonsr ü¡s o¡rcratfngpcrnft.nal contalñ ;i;;; Ènrsston proutsfons whtch qhoulöbs conelstent wtth $e atiããnãä-Fti;y:--wñ;Ë rhe srp fg deflcfenÈr the s¡p e[äuiä-¡ã-ilãä-[otconforru'ro rhe pregÊnr 

### P.!11:v:-^l!prq"gt

or rh;-óperarrns

permrr â6parr of rhesrp wor¡¡o accon¡llisb that reaul¿. ' 5

. , 5-- - :: --'.. Ît you hav.e¡li.glgs!{9!g concernfng rhf¡ polleyr plàace cotrtrst Ed Rslch åt (iAZ-ZAgii, -------:--' åt,t¡chnent :

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## im¡,oa*ro' ot"i ffi;îõ-?:i-::*ii-i;*i*:l*t;:i3na tr," I å5?iilii3,,l."l uääïÏ .iíi,-" ã'nã' " epri re rv_ll::î

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### -un¡voldabre

;;;iËü' -"sriËã'*i-i*l^STt,:I?:*""f3"oorr un¡vo1clètrJ'er:5sqñçtew¡¡' -'";l ä; ;;rional ailient alr qual{ty 

# :::iåiÏå:: äiB Ë?åii:i:i:"J.Tii¡"::ii:iii"*ä";ä-niiio"i" I ;;lffii'TËíp|-i.í',';i- ããü"ã. on{t any -Frovieion

on

. nalfünctlons. tFor T9IÊ õå"#l; gu!ç-?tceon ¡narf,unetlon grovlaion¡.gÀr ñÃói 6IPs,-;;;-the {n'rir 19?8 workehop

mf,nut for ¡lrepttt tti-"-t'ilt"¿otcnt Frana ' 3 Í. åUTOI.IATTC

I¡TEMPTION

ÀPPRO¡\CË ¡faSIPcontaln¡a¡lr¡Ifunittcn.çrovielon,itctnnotÞ€ u," tii.-ilt;¿ ;;;;1.1;" ror ãutonatrc lxgrnntion where a ¡ narfuncÈlon rc'litcaad b¡r t-lãúîãã'-- e1-toäa'-l'c exenptiona i ntght "ggt"t.ã.-ãrttqoarit'l iã-i" nct to provióe for I 

### ¡tÊafnment

ot ttre anbl""t åil"eitiãi-:* ::"Í* "H*:l?:"| 

## ;!3¡1g-?:,"å'S;FHiüi:,"oi'Tiiä"i'li;'d;; thc auto¡'atlc I cxer4rrton ,ppiãiäi. rrË ãi""uã."d:fn-oot.-ã"ãait at' 42 FR sB17I 

### 0rovc¡¡bcr

8r iõtiï inã ¿l ii-ãiizî-ciipir¡ z7' 1e7?)' Asa I rcsutt' EPA

c¡nnot appro""'L|-¡ãi; ;õl;i"ã [¡"t provl'dee I I iiiõãfåf c exetçtlone--for rnalfulctlo-p-e;---- _l^-. t¡'ENFoRCE¡'|ENIDtECRETIoNAPPßoAc¡t::qJPEMIsgIoNL¡}ltlÀlIoN 

### ÀDEcuÀrE 'io Áii¡¡N er'riiriÑ!-

sCâNDAaDs I EPAcan âPProvc.SrP revbion" n$lþ !'ncorporaÈe the i ranforce'ent a-iãcretJ.o" "piiã;;Ñ: Su-ct¡ an aPFroaeh can i rcgufre tlre "ão"ãó-to ¿"oö-ni;;;" t9 tÌt.e approprlatc Stete, a'Êncy rhàr äË-ãi"ãã"-ã"iäãrãá", thoueh conetltutlns a i vlolatfonr werc due.to an univofàabte lnalfunctlon' A¡ry ì rr¡Ifunction provlclor, tu"r-iäiiõ-;ãr the co¡nnencelent' of Ia 

### proceedf"s -Èo

;;il¡t ^rh" ;"t;;å';¡ iãã. õ-i'ratlon and to I datermtnc

snetlrer enfo¡crofli-Itãioã-"nouiã U" unilertaken for anyperlo¿ oiîi;";F!'i;Jä"i--¡;-l:termininE whether ànl cnforcenenÈ aerion ie rppiõpiiþ"., eatl'sfactlon of thc I 

### folro¿fng "tiliüã ãr'o"iãlã fnaldered I



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r the ter¡î "excÉsB'.e¡a1¡eLorr" tþtn".tl,^afr euriesion rate uh¡ich 

### Gree.d".nl^iiãirãã¡rã-ãiiìi""iiãn-rtnltation' and I in¡rfunction,' meênB a ,uäãád-orra un"tãiã;Úit breakdoul oif I Ürõ¡-r¡¡¡v L'.¡e" Proccse or control equiPment'I

r' 10 the'nâxf¡nun

"îr:li,pfrcrrcsbre the arr polrutl0n control equlp¡¡en_Ë,

plogegs "cutärããi]-ä" processcswcrc ¡nalnt¡lnedañd,opcråtãã-i;.r -nanner ðonstétentyrth good grrctfce for rllplrqfzlno ;;Grtpn;;- --"----:'.- ; , ' 2. Rcpalr8 *erc'nade fn. an expecllttoue f¡shfon Hhen

thc. operator kner.'

or should h¡vs _known -th;¡ âpplfcable enfselon ll¡rttatlone î:rg- ¡etns-eiõåãoJä,"bã'ilir,rri lrbor and ovcrrlne nust h¡ve been.uÈfll¿ãcr--io the ex[ãit-practfcabler to.ensure that such reprf rs *erã.í,aåõ "ö-.;ilãïirously aa pracrrcabre r 3. The'amount'

ânddur¡tfon of the excecsenlssfone (lneludfng âly þyn¡b;t-rãi" rntntr¡tãeã--ão Èhenaxr¡nr¡n

exrenÈ grrcrfeable durläi' pe;r;d; of, "ué¡-eñtJsron¡r 4. Al1 ¡losaå+" sËeps eetretaken to ¡nfnf¡nlzc thc fn¡ract of ttro excecs-cmrgsfons-ãã an¡i;rt-;i; quar{ry¡ and 

### s' rÈc 91g1"1

"rtr"{or¡ ars nor pârr of a rccurrrng gâÈtcrn fndfc¡ÈieÊ,

of fnaãeluaËã-cäãigñ, op"r"rfon¡ or nafntenåñcgr 

### rrr. E¡(cesg

eu¡ss¡ö!¡s.DuR¡Nc

sîÀRl_up,

snurDor{N,

ÀnD t{ÀINlENÀtgCE .i . . -- f

: Any actlvfty or evsnt chieh caq be foreseen ¡nd avofded, or planned; fattÉ outerdc-qe-ãñä ùefrnrtfon of suddcn rnd un¡vofdabrc breakdown or equrJ;ãni. For Exâ¡nprer a eudten 

### breal¡down

rhlch couiå

. tÀuã'tãã'n-ïiåraii-oi^Ëä1i., operarfon and n¡fntonancspractf;;¡-rã-ãät-i nartunctfon. rn eueh ctstar tbc contról âgelcy ¡¡ust'cnforce ror viõiaÈfons of Èhc cnl¡sfon. lfnfÈatfonq- otñei-ãù"ñ--ão""onevent¡ are Êtàrt-u'

. ¡nd ehurdown

of egui!¡nenü,ano-äcñecuiõa rilii.nrn"r. 'Ètrt-up and shutÍo:n_?¡ proeosa.ggu_lpnent are parÈ of thc nontal-oþeratton''of ¡ eourðe and elrould be accountedfor ln tho u::lql^¡d-Geñ";nã;i;i ãr ih, operarfno erocedurc for Ër¡e¡rröõesean¿ Ëont¡"i-ülïd"r.. ¡Ëcorolngry, rr fs 

### ' rÊroon"bl?

ro erpec?!

tr,¡ç care-¡ui

éiÀinrirõ-;iii'err¡rrn¡re vlolatfoneofenriããiid-if'räiiãi",durlngeuehperlode. rf trces' e¡nleglons occu_r durlng routlne ¡tart-up and 

### ¡hutdown or auch Ãquie*9nt,:ir,9i;iií u"-õðilãrãärec âs havrns reeutted fro¡n a rnaffuicttoå ñii li rh; "óùi:ðã-õ"nde¡nonerraÈe that auch enisÀrõñã-*ä*.âctualry caueedby a eudden ånd unforeseeable urei¡ecJwn fn th;-;iuipnenr. Slnrltarllr. scheduled naf nten¡ncE fe à ¡lrcdlctable evenÈ uhrch ian Þe Ëèhcãüi;à"[ rh;"ài;Irstf on of'r,he operaror, and :r rhlch can tl¡ei;âãË-Ë ¡nade to ðãin"lde wtÈhnalnrenance on 4_ '. : -:...r. ...ì:: ..'.'

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".oroductlon egulpnêntr or othcr l9urcþ thutüoun¡. ;.ii::::;.ì-.+l,r-- .iceeg ênlstloûE durlnb Detlodt of 

### iðffiü;inäril-.iii':' enlsaroîE durlnþ ç::lîl"..:f ^::h:dT*: äffiffi;;;'år,ãüÍã-ut ircated ae a v[oiatlon. unlegs¡^öourco 

### c¡n dcnoneç..q!õ-

Ir,.t- ¡uãtr.

ã¡t 19 t9p: þgt If - ¡9!-H:l -!":1:: IiäfãËä-'ËhËdf ÈättU"-iãnãautlns' fo'r nalntenånce'

or through

^ boÈt,or og.t.ciãn-iãã -¡oatnt"nanse präþttceo'

, a