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# OAR Box 1672 Prepped by Charmelle Mathews



### Document

Number: 

# ^5)II-B-1 9 Docket Number: 

# A-98-1 3

Printed 9/30/2008 11:01:00 AM Sheet 25 of 132P. 2 Jhifie d Ai r Toxics Regulations : Hazardou s Organi c NESHA P

(• ACP A BritriSMttt EntrMvwii l Pntodlttliatq ' \ - 

# %Web wysiwyg://21/htQ>://www.epa.gov/ttnuatwl/fshon.htm l 

## A-13-/3 tSSSS-VOBL

OAQP S -T-6-/7 

# Toxic s Websit

e Final Rul e Controllin g Ai r Toxic s Emission s from Syntheti c Organi c Chemica l Manufacturin g Industr y "HON " March 1,199 4 \)?) ~\ £.?''. ' EP A AI R DOCKE T WHA T I S TH E "HON" ? The HO N i s on e ofth e mos t

sweeping regulation s issue dunde r th e Clea n Ai r Ac t Amendment s o f

1990 . "HON " stand s fo

r Hazardou s Organi c NESHA P (Nationa l Emissio n Standard s fo

r Hazardou s Air Pollutants) . Th e HO N wil l reduc e organi c hazardou s air pollutant (HAP) emission s fromchemica l manufacturin g processe s i n th e Syntheti c Organi c Chemica l Manufacturing Industr

y (SOCMI ) an dfromsevera l non-SOCMI processes . WHA T AR

E TH E HEALTH AN

D ENVIRONMENTAL BENEFITS ? Th e fina l rul e wil l resul t

i n significan

t reduction s i n organi c HA

P emission s andi s expecte dt o reduc e emission s more tha

n an y othe r singl e standar

dtha t wil l b e issue dunde

r Sectio n 11 2 o f

th e Clea n Air Act . I t i s anticipate d tha

t th e standar

d wil l reduc e HA

P emission s by approximately 460,00 0 megagrams/yea r (510,00 0 tons/year) . An added benefi t i s tha t emission s of

volatil e organi c compound s (VOC ) wil l b e reduce d b y 950,00 0 megagrams/yea r (1,000,00 0 tons/year) . Thi s i s equivalent t o takin g about

3 8 millio n vehicle s of

f o f th e road . Applicatio n ofth e require d contro l level s wil l resul t i n approximatel

y 9 0 percent

reductio n o f

HA P emission s and 8 0 percen

t reductio n o f

VO C emissions . The resultin g emissio n reduction s o f HA P ar e expecte dt o reduc e huma

n deat h an dillness . I n addition , othe r ecologica l concern s including habita t destructio n andimpact s o n th e survivabilit y o f endangere d specie s ma y b e reduced . Increase s i n agricultura l cro p yield s andimprovement s i n forestr y and fishery ecosystem s ma

y als o b e expected t o result . HO W MUC H WIL L TH

E RUL E COST ? Nationa l cumulativ e capita

l cost s wil l b e about

$45 0 millio n through th e first five years . B y 1999 , th e nationa l "annualized " cos t

ofth e rul e i s estimate dt o b e abou t $23 0 million . Variou s provision s in th e rul e hav e been structure dt o encourag e produc t saving s throug h pollutio n prevention . Thes e saving s would significantly reduc e th e estimate dcost s ofth e rule . WH O MUS T COMPL

Y WIT H THE HON ? The rul e applie s t o productio n o f 38 6 out o f approximately 66 0 chemica l substance s produce d b y lof 3 12/10/9 8 10:4 9 A MP,3 _ Unite d Ai r Toxic s Regulations : Hazardou

s Organi c NESHA P wysiwyg://21/http://www.epa.gov/ttauatwl/fshon_htm l SOCM I a s commercia

l products . T o b e subject

t o th e rule , achemica

l proces s mus t

b e locate da

t amajo r < ? sourc e ( aplant

site tha t collectivel y emit s mor

e tha n 1 0 ton s pe

r yea r o f an y one hazardou s ai r

pollutant (HAP ) or mor e tha n 2 5 ton s pe r

yea r o f multipl e HAPs) . I n addition , t o b e subject , thi s proces s mus t als o manufactur

e one or mor e SOCM I chemical s liste di n th e rul e andhav e a n organi c HA

P a s either : (1 ) a product , by-product , co-product , o r intermediate ; o r

(2 ) areactant . A SOCM I sourc e include s five kind s o f emissio n points : proces s vents ; wastewate r operations ; storag e vessels ; transfe

r operations ; an d equipmen

t leaks . Thes e point s mus t

b e i n acontiguou s are aunde r common contro l t o b e considere d par t ofth e source . Th e rul e als o include s certai n equipmen t lea k provision s tha

t apply t o non-SOCMI facilities , suc h a s styrene/butadien e rubbe

r productio n (butadiene andstyren e emission s only) ; polybutadien e rubbe r productio n (butadien e emission s only) ; productio n o f certai n agricultura

l chemical s (butadiene , carbo n tetrachloride , methylen e chloride , an d ethylene dichloride emission s only) ; certai n polymers/resin s o r other chemica l processe s (carbo n tetrachloride , methylen e chloride , tetrachloroethylene , chloroform , ethylen e dichloride , and butadien e emission s only) ; andpharmaceutica l processe s usin g carbo n tetrachlorid e o r

methylen e chlorid e (carbo n tetrachloride andmethylen e chloride emission s only) . About 37 0 facilitie s i n roughl y 3 5 state s ar e affecte db y th e requirement s i n thi s rule . Th e majorit y o f thes e faciUtie s are locate d i n Texas , Louisian aandNe w Jersey . 

### WHA T AR E TH E CONTRO L REQUIREMENTS ? Wit h th e exceptio n o f

equipment

leaks , th e final rul e require s th e sourc e t o limi t emission s o f

organi c HA P t o th e level tha

t woul d b e achieve d by applyin g a"referenc e contro l technology " t o eac h emissio n point tha t meet s certai n applicabilit

y criteria . Each technolog y wa s selecte dbase do n it s meetin g th e statutor y requirement s fo

r maximu machievabl e contro l technolog y (MACT ) andbein g universall y applicabl e t o th e particula

r emissio n point . Complianc e ca

n b e demonstrate d b y applyin g th e referenc e contro l o r a n equivalen

t technology . I n addition , source s hav e th e optio n t o us e a n alternativ e mean s o f

complianc e calle demission s averaging . Emission s averagin g allow s asourc e t o balanc e emission s fromtw o or mor e point s t o achiev e th e same overal l emissio n reductio n that woul d b e achievedi f

th e referenc e control s wer

e applied . I n th e cas e of

equipmen t leaks , th e provision s ar

e equipmen

t an dwor k practic e requirements . Th e rul e applie s t o equipmen

t that i s i n HAP servic e fo

r 30 0 or mor e hour s per

year . T o b e i n thi s servic e i s t o b e i n contac t wit h o r containin g fluid that

i s five percent

or mor e o f achemica l o n th e lis t

o f 18 9 hazardou s ai r pollutants . Th e equipmen

t leak s portio n ofth e rul e applie s t o th e SOCM I andth e severa

l non-SOCM I processe s describe d above . Th e regulate d chemica l productio n processe s ar

e categorize dint

o five groups . Staggere d implementatio n i s required ; th e first grou p mus t compl y six month s afte

r th e final rul e i s issued ; th e las t

group mus t

compl y eightee n month s afte r th e fina l rul e i s issued . WHA T I S EMISSION S AVERAGIN G Emission s Averagin g i s a

n alternativ e mean s o f

complianc e designe dt o provide regulator y flexibility fo

r source s face

d wit h unusuall y hig h cos t

complianc e scenarios . Application s o f emission s averagin g mus t b e reviewe d o n acase-by-cas e basis , includin g arevie w ofth e potentia l hazar dassociate dwith th e alternativ e controls . Emission s Averagin g i s availabl e a s a n alternativ e only fo

r proces s vents , transfe

r operations , storag e vessel s and wastewate

r stream s no t

treate di n bio-units . Emission s fromthes e kind s o f point s can b e quantified to calculat

e th e "credits " and "debits " use da s a n accountin g mechanis mfo r averages . Thi s accountin g mechanis mallow s th e sourc e to balanc e "over-control " (contro l mor e stringent than th e rul e requires ) a t som e points , wit

h "under-control " a

t others . 2 o f 3 12/10/9 8 10:4 9 A MP. 4 Unifje d Ai r Toxic s Regulations : Hazardou

s Organi c NESHA P wysiwyg://21/http://www.epa.gov/ttnuatwl/fshon.htm l { * Th e emission s averaging provision s i n th e propose drul e wer e th e subjec t

o f significan t publi c commen t I n respons e t o publi c comment , EP A revise delement s ofth e averagin g polic y t o reduc e complexity . Severa l requirement s hav e als o been adde dt o ensur e th e enforceabilit

y o f averages , includin g alimi t o n th e numbe r o f point s tha t ca n b e averaged . Finally , adiscoun t factor wa s chosen t o creat

e extr a emission s reduction s an

d encourag e pollutio n prevention . WHO TOO K PAR

T IN TH E DEVELOPMENT OF TH E STANDARD ? Th e EP A ha s made widesprea

d us e o f consultatio n wit

h outside group s i n developin g th e propose d an d final rule . Thes e discussion s wer e documente di n memorandu mt o th e HO

N docket . Group s who wer

e involved i n developin g th e rul e include : majo r industr y association s (e.g. , Chemica l Manufacturing Associatio n and America n PetroleumInstitute) ; Stat e andloca l ai r pollutio n contro l agencie s (STAPPA/ALAPCO) ; th e Nationa l Governor s Association ; andenvironmenta l group s (Natura

l Resource s Defens e Council) . EP A use d aforma

l regulator y negotiatio n proces s t o develo p th e equipmen

t leak s portio n ofth e HON . In th e regulator

y negotiatio n process , veste dpartie s negotiat e andsig n aforma

l agreemen

t tha t become s th e basi s fo

r th e propose d rule . Partie s involve di n thi s negotiatio n include drepresentative s fromth e petroleum , chemica

l an d pharmaceutica

l industries , stat

e andloca l agencies , an denvironmenta l groups . Th e negotiation s wer

e conclude d i n Novembe

r 1990 . FO RFURTHERINFORMATION

.. . contac t th e HO N hotlin e o n (919 ) 541-5299 .

—""""" ' ' ' •• • —••' • • ' • —-—'•" • ' • • — — — — •• " — - ——PP— — • • I I i i - 11,11111—^—i — • — T EP A Hom e | OA RHom e I OAQP S Hom e | TT N Hom e IUAT W Hom e I Regulation s Index ContactUAT W Webmaste r http://www.epa.gov/ttnuatwl/fshon.htm l Novembe r 24,199 8

3 o f 3 12/10/9 8 10:4 9 A M