STATE OF TENNESSEE DEPARTMENT OF ENVIRONMENT AND CONSERVATION



### May 23 , 2013 DIVISION OF AIR POLLUTION CONTROL WILLIAM R. SNODGRASS TENNESSEE TOWER 312 ROSA L

. PARKS AVENUE , 15 TH FLOOR NASHVILLE , TN 37243



### Ms

. Heather McTeer Toney Regional Administrator U

. S. EPA. Region IV Atlanta Federal Center , 12' h Floor 61 Forsyth Street , S.W

. Atlanta , Georgia 30303-8960 Subject: Request to Amend the Shelby County Portion of Tennessee ' s Sate Implementation Plan (SI P ) to Incorporate Revisions to the Shelby County Maintenance Plan for the 1997 8-hour Ozone NAAQS
Dear Administrator McTeer Toney: The Tennessee Division of Air Pollution Control is requesting the EPA incorporate into the Tennessee State Implementation Plan (SIP) a revision to the Shelby County portion of the SIP. This revision incorporates the recent termination of the Motor Vehicle Inspection and Maintenance Program in the City of Memphis. The current CAA Section 175A Maintenance Plan for the Shelby County Portion of the Memphis 1997 8-Hour Ozone Maintenance Area includes the benefits of a tailpipe emissions testing program for the City of Memphis

. The enclosed revision to this Maintenance Plan incorporates emissions reduction offsets from the closure of Cleo Inc. to a ratio of 1.1 to 1.0. Public Hearings were held on March 4 1

### h and 6 1 

### h, 2014

. See Attachment IX of the SIP revision for documentation of the public announcement and comments and responses . The Air Pollution Control Board of the State of Tennes see approved the SIP revision on Ma y 14 1 

### h, 2014 (the Board Order (14-0 10) is attached)

.Rev i s io n to t he Shelby C oun t y P o rt i on of the TN SIP M a y 23 , 20 1 4 Page 2 of2 Enclosed are a printed copy of the revised SIP and an electronic copy , identical to the printed copy . Should you need further information , please feel free to contact Marc Corrigan (M a r c . Corrigan@tn

. gov or (615 ) 532 - 0616 ) on my staff

.

Enclosure
cc: Mr. 

### R. Scott Davis , Branch Chief US EPA Letter only : Ms

. Lynorae Benjamin , US EPA; Benjamin

. Lynorae@epamail.epa.gov Mr. Sean Lakeman , US EPA ; Lakeman

. Sean@epamail.epa.gov Mr. Robert Rogers , Shelby County Air Pollution Control Program ; Bob. Rogers@shelbycountytn

. gov Mr. Marc Corrigan , DAPC ; Marc.Corrigan@tn

. govTE 1 ' ESSEE DEPARTMENT OF E 1 VI RONME 1T & CO ' SE R VATION B U REA U OF EN VIRO:-.!ME l'\ T Dl VISIOI' OF AIR POLL U TIO\; C0 1 TROL I N T HE

**ATTER** OF

ON-REG U LATORY AME DME:--JT TO THE SHELBY CO U NTY PORTION OF THE STATE

**IMPLEME~TATION** PLA N ( SIP )
I NCO RPOR AT ION OF A SUPPLEMENT TO THE SHELBY C OUNTY 1997 8-HOUR OZONE MAINT E ANCE PLA N TO I NC ORPORAT E THE TERM INAT IO N OF MOTOR VEHICLE Et

vii SS IONS INSPECT IO N PROGRAM BOARD ORDER ORDER NO. 14 -0 1 0

The follow in g maner came before the Tennessee Air Pollution Co ntrol Board on May 14, 2014. On May 2, 20 14 , the Shelb y Cou nty Health Department Pollution Cont r ol Section sub mined n o tification to the Division of a proposed non-regulatory change t o the Shelby Co unty 1997 8-Hour Ozone Mai ntenance Plan. The n

arra tive portion of the propose d s upplement is co nta ined in Anachment I
. A Public hearing notice of the proposed re vision was available o n-lin e at '"' \\
. s hclb\c o un"1n
. !!. O \ and published in th e January 31. 2014. i ss u e of the The Dail v . ew s . Publi c Hearings were held o n Ma rch 4 th and March 6 th, 2014. The Division of Air Pollution Co ntro l has reviewed the proposed c han ges t o the Shelby Co unty 1997 8

- Hour Ozone Maintenance Plan and finds them acceptable
. Following the B oard 's approva l. the Shelby Co unty portion of th e State Implemen t ation Plan shall be amended t o inc o rp o rate th e rev i s ions to the Shelby County 1997 8-H o ur Ozone Ma intenan ce Plan. Approved b y the f o llowing members of th e Air Pollution Co ntro l Boa r d of the State of Tennessee, and entered on the 14 'h of ay, 2014.

B

oa

rd Order N o 1 -1

-0 10

# ATTACHMENT 1

# 1997NAAQS Eight-Hour Ozone Revised Maintenance Plan for Shelby County, Tennessee

Prepared by : She lby County H ealth D epar t ment P

o ll ution Cont r o l Section 814 Jefferson Avenue Memph is , Tennes see 38 1 05

M a y 1 , 2 014

### TABL E O F C ON TEN T S I. NO N REGULA TORY PORTIO N 1 l. Purp ose 1 

### 2
. B a ck g r o und 1 3
. P o llutants to b e Reduced 

### 2 4
. R e ductio n Q u a ntitie s 3 

### 5
. Emi ss ion R e du c tion Req uir ement s 3 

### 6. E mi ss i o n R e ductions 4 

### 7. R eg ul a tory Analy s i s 4 

### 8
. Inte r g o ve rnmental C on s ultation 

### 6 II

. R EGULAT ORY PORTION 

### 7 Th ese sec ti o n s r e p lace th e 2010 M ainte nanc e P l an a pproved e ff ec tiv e F e brua ry 3, 2010. 

### 9.

10
. 11.

Attachment I A tt achmen t II Attachment Ill Attachment I V Attachment V Attachment VI Attachm e nt VII Attachm e nt VIII Attachment IX Attachment X R ev ised M a inte n a nce Plan A. Proj e ction s B
. Motor Vehicle E mi ss ion Bud ge ts C. Air Qu a li ty Monito rin g N e t wo rk D
. Tri e nnial E mi ss ion In v entor y E
. Station a ry Source C ontrol F. Voluntary M e a s ures G . C o n tingenc y Provi s i o n s M ee t All R e quirement s Und e r S ection 110 A nd P a rt D of th e C AA Pub l i c Co mment A tta chments Federal R eg i sters ( in chronological order) Int ergovern menta l Consultation MOVES2010b I nput File s MOVES2010b Output Fil es C l eo Inc. Docum e ntati o n Air Quality Monitorin g 2003 SlP Submit1al Supple m en t a l Support D ocuments Public Parti cipatio n Redline Version of R evised M ain te nanc e Pl a n 7 7 9 11 12 12 12 17 19 20

### I. 

### NON REGULATORY PORTION 

### J. P u rpose The purp ose of thi s plan re v 1 s 1

o n is to provide a nd document s uffi c i e nt a lt ernative em ission reduction s t o off-set e mi ssio n benefits assigned to th e City of Memphis' I n spec ti o n a nd Mai nt e nan ce (1 / M) progr am in the Shelby Co un ty Ozone Ma intenance Pl a n (20 I0 

### 0 3 Maintenance Pl a n) app r oved by th e Env ironm e ntal Protect i o n Age n cy (E PA ) (75 Federa l R egis ter (F R ), J anuary 4 , 20 I0 (see Attachment 1 )). Th is r ev is i o n id e ntifi es th e t ypes a nd amo unts of e mi ss i o n redu cti ons attributable t o 1 / M and whe r e eq ui va lent reducti o n s wil l b e ach ieved to o ff- set th ose liM redu ct i o ns so th at thi s updated maint e nanc e plan ma y be adopted. I f a ll o th e r co mp o n e nts of this plan are approved , S h e lby Co unt y r equests that th e s pecific co mp one nt s of th e C i ty of Memphis ' liM progra m approved into th e S tat e I mp l eme ntation Plan (S IP ) in 198 6 be formally r e move d fr o m the S I P to include r emova l fr o m th e 20 I0 

### 0 3 M a in tena n ce Pl a n, a s these new compone nt s wi l l s ub st i tute for the a ir qua li ty benefits a ttributabl e to 1 / M. Th e r ev ise d 20 1 0 

### 0 3 Mai n tenance Plan w ill continue t o id e ntif y county-w id e basic 

### J IM as a conti n gency measure and iden tif y the events o r co nditi ons th a t would cause it to be trig ge red for impl emen ta ti on. 

### 2. Backg ro un d The City of Memphis was designated as n onattai nm ent of th e carbo n monoxide (CO) Nat i ona l Ambient Ai r Qua lit y Sta nd ard (NAAQS) in 1 978 (43 FR , March 3, 1978 ( th e 1978 document is n ot avai l ab l e b ut th e date is r efe r enced in 45 FR, p. 538 1 0, left hand co lumn , August 13 , 1980 (see Attac hm e nt 1 ))). Loca l transportation so urces in the urbani ze d ar ea we r e id e ntifi ed as the prime co ntribut ors of CO to m o n itored CO v i o l

at i o ns . As a r es ult , liM was adop t ed as th e control s trategy t o r e turn the area to attainment o f the CO s tandard
. Eflec tiv e o n Augus t 3 1 , 1 994, the CO n onatta im e nt area was r edesig nated t o atta inm e nt of th e CO s tandard (59 FR , p . 44938 , Augu s t 3 1, 1 994 (see Attachme nt 1 )). T h e in i t i

a l I 0- yea r ma in tenance plan a pprove d with th a t r edesignati on conta in ed a co ntinu at i on of th e approved 

### J IM program. S ub seq u en tly , f urth e r improveme nts in a uto mo tiv e t ech n o l ogy l ed t o a co ns i s tent reduction in loca ll y mon i tored level s of CO. A required seco nd I 0-year CO maintenance plan was approved by the E PA (71 FR, p. 62384 , October 25, 2006 (see Attac hm e nt I )) and demonst ra t ed that 11M was no l onger needed to maintain the CO NAAQS. The benefit s of the continu at i o n of the l iM program were n o t relied upon in that maintenance plan update. In 2004. Shelby Co unty. Tennessee, a lo n g wit h Critt e nd en Co unt y. Arkansas, was designated n

o nattainment of the 1997 ozo ne (0 3) AAQS, wi th a classificat ion of ·mo d erate · (69 FR, p. 23858 , Apr il 30, 2004 (see Attachment 1 )). Under Part D, Subpart 2 of the Clean A ir Act Amendments of I 990 (CAA). moderate 0 3 n onattainmen t areas with a county population over a given thre s h o ld are required to ado pt a county-wide 1 / M plan as part of the required S fP {CAA Sectio n 182(b)(4)). At th e time, the area 's 0 3 des i gn va lu e ( D V) was w ithin CAA r equire m e nts (Sect io n 181 (a)(4)) to co ns id e r reduc in g the classification from moderate to marg in a l n onatta inm e n t of the 1 997 ozo n e NAAQS
. S h e lby County wo r ked closely w i th the State of Tenn essee, Cri ttendenCoun t y and the S tate of Arka n sas to prepare a petition for recon s id eration. All parties involved in the petition ado pt ed additional measures t o contro l 0 3 -forming e mi ss i o n s in the re gion
. E P A granted th e pe tition (69 F R, p. 56697. Septe mb er 22. 2004 (see Attachme nt T) ) wh i ch r e m oved the S IP plannin g requirements mandated of moderate ozo ne n o n-attainment areas, including the adop ti on of a cou nty -wide 11M program in She lby Coun t y. Th e r ec l ass ifi cat i on t o marg in a l a l so reset the expected attainment date of the area to J un e 15 , 2007. Th e ar ea failed to ac h i eve a ttainm e nt o n that date and in acco r dance wit h CAA Sect i o n 181 (b)(2)(A), EPA r ec lass ifi ed the area to m ode r ate 0 3 n o nana inm e nt (73 FR, p. 165 47, Mar c h 2 8 , 2008 (see Attac hm e nt 1 )). Thi s recla ss ificati o n again r ese t th e a tt a inm e nt date. this time t o J une 15 , 20 I0 w ith a S I P s ubm i ttal due date of March I , 2009. T ha t S IP wa s t o inc lude a ll CAA requ ire m e nt s o f a mode rate 0 3 nonatta inm e n t ar ea, inc l ud in g co unty-wid e 1 / M in She l by County. The e nd o f the 2008 ozo ne mo nitoring se aso n r esulted in th e DV f or th e en tire ozo ne n o natta inment area m ee tin g th e 1 997 

### 0 3 NAA QS
. She lby Co unty and th e S tate of Ark an sas pre pared separ ate redes i g nati o n r eq u es t s and maint en ance plans for their porti o n s o f the n on-at ta inm e nt area and coo rdinat ed th e ir effo rts in crafting th e s ubm itta l s. Th e se parat e s ubmittals we re mad e because Arkansas s ubmit s plans to EPA R eg i o n 6 headquarters in Dalla s, Texas. whi l e subm ittals from Tenne ssee are dire ct ed t o EPA Re gion 4 h eadquart ers in Atl an ta , Georgia. Afte r review and ap prova l by th e Tennessee State Air B oard
. th e S helby County r e qu es t was s ubmitted to EP A Re g i o n 4 in F ebr u ary. 2009. E P A t oo k fin a l action o n the She lby County s ubmitt a l (75 FR , January 4 , 20 I0 (see Attach m ent I )) by a pprovi n g th e maintenance plan and r ed es ignating th e S helby Co unty portion of the n

o nattainm e nt ar ea t o attainment with a n effective date of Februa r y 3, 20 I0. Whil e thi s removed the immediat e requ iremen t to adopt co unt y - w id e 1/M, the approved maintenance p lan includ ed a con tinu a tion of th e C i ty of Memphis 1 / M pr ogram and se t a cou n ty-wide liM program as a con tin ge n cy m eas ure in the event tha t the 1997 0 3 NAAQS was v i o l

a t

ed a ft e r r edes i g nati o n to a tt a inm e n t. I n mid -20 1 2 , th e M e mph is C i ty Counc i l voted t o de fund the o pe r a ti o n of the C ity of Memphi s liM program beg innin g with Fi sc al Y ea r 20 1 3/20 14. V e hi c l

e in s pection o p erati o ns at all four City of M

e mphi s in s pection s tations ended o n J un e 2 8 , 20 13
. Th i s term in a ti o n of serv ice s is the prin c i pal r eason thi s plan has been drafted and s ubmitt ed as a failure t o correct the potential violatio n of the S IP by n o t co ndu ct in g the se ve hi cle inspection s may l ead t o the imp os iti on of ava il ab l e sancti o n s a uth o ri ze d by th e CAA
. 

### 3. Po llut a nt s to b e Reduced A lth o ug h 1 / M was fir s t implemented as a CO co ntro l mea s ur e. th e program was shown t o be unn ecessary for co ntinued maintenance of the CO NAAQS in th e s econd I0-year maintenance plan as di sc ussed above. Therefo r e, liM e mi ss i on r e ducti o ns of CO are n o t being co nsidered in this r evis i o n of th e 20 10 

### 0 3 Maintenance Pl an. However, as th e C ity of M emphis' t ai lpip e 11M program is in cl ud ed as a contr o l measure in the 20 I0 

### 0 3 Maintenance Plan , reduction s of ozo ne precursors id e ntifi ed by EPA as ox id es of nitrogen CNO x ) a nd vo latil e o r ga nic compo und s (VOC) are a t

t ributab l e t o th e program , and therefo r e mu st be add r essed. Alt h o ugh it may be po ss ibl e w ith

2a n a l ys is to s ubs t itut e NOx and VOC's f o r one another , th e goa l of t h is plan i s t o pr ov id e an off

- se t at a rat i o of 1 .1 to 1 .0 for each pollutant.


### 4 . Reduction Quantitie s Inf o rmation can be found in the d ocument , ·' Meth od o l ogy Use d f o r MOV ES Run s pec ' · , wh i c h describes the vario us parameters required to set up the MOVES Run Speci fic at io n file for th e MOVES20 IOb mo de l. l nf o nnation co n cerning m eth o dology used t o calculate mo bile source e mi ss i o n s, temperatures , R e id Vapor Pr ess ure, and hu midity ca n be f o und in the document tit led " Methodology Used t o Deve l op MOVES I nput s'·
. Bo th documents are l ocated in Attachment VI II

- S upplemental S upport Documents o f the maintenan ce plan revis io n . The quant i ties o f NO x and VOC r ed uc tio n s creditab l e to th e C i ty of Memphi s' liM progr am were detennined u s in g th e mos t current EPA app r ove d o n-roa d emiss i on m o del. MOVES20 I Ob, and input s devel o pe d by th e current travel dem and m o del (TOM) used by th e Me mphi s Area M

e tropo litan Pl a nnin g Orga ni za ti o n (M PO)
. These fi g ure s match th ose provided by the contr actor f o r th e MPO t o conduct th is mo d e ling and are th e mos t current a vailabl e. Aller co ns ultation w ith air quality and conformity partners o n th e MP O (as documented in Attac hment II

- I nte r gove rnm e nta l Co n s ul tation) , 20 1 3 was c h ose n as the yea r for analy s is o f th e affected c han ge in e mi ss i o ns. While liM te s tin g e nded in mid -20 13, the ai r quality ben e fit s assoc i ated with the pr

og r am ex t e nd s f o r th e r e m ai nder of the 2013 ozo n e seaso n as in s pec ti o n a n d maint e nanc e had occ urred for a ll ve hi c l es w ith e ffect i ve ne ss dro pp in g off at a rate of approximately o ne twelfth (8.33%) per mo nth o r 25% by the end o f Se pt e mb e r. Hi s to ricall y e l evated l eve l s of ozone after October I 5 1 ar e ra r e. 20 13 input s f o r th e MOVES20 IOb m ode l we r e deve l o ped by interp o latin g TOM r es ults for 20 II a nd 2015 in o rd e r t o achieve 20 13 em iss io n r e du c ti o ns att ribu tab l e to the M e mphi s 1 / M prog r am. The r esults o f t hi s inte rp o l atio n are provided in Table I be l ow : TAB LE I 2013 Inspection and Maintenance Program Comparison * N

o 1/M With 1 /M Change tons/day tons/day ton s/day % 

### voc 13.609 13 .257 0.352 2
. 66 % NO x 29
. 652 29.652 

## - 0.00 % 

### * As ca l c ul at e d by th e SC HD-P CS (see MOVES2010b Input Ftles m Attac hm en t Ill ). Calc ulatt o n do es no t include eva p o r

ati ve e mi ss i o n s fr o m r e fu e lin g w hi c h is incl u ded in th e area so urce emissions ca t egory. At 0.352 t ons o f VO C a nd 0.000 tons o f N Ox e mi ss i o n s p er ozone seaso n da y, th e act ual e mi ss i o ns in crease that mu st b e ofTse t is 1 2 8.48 t o n s per yea r ( tp y) ( 0.352 ton s per d ay time s 365 days per ye ar) o f VOC and n o r ed u c ti o ns in NO x .

3

### 5. E mi ss io n Re du c t io n R eq uire m e nts C r editab l e e mi ssio ns r e ducti o n s f o r use as off-se t s durin g nonattainm e nt mu s t be quantifiab l e , e nf o r

cea bl e, and permanent. Add i tiona ll y, to th e ex t e nt po ss ible , they s h o uld be con temp o rane o us wi th th e l oss o f th e ai r qua li ty benefit s o f the 1 / M pro g ram so as not to nega tively affec t l oca l a ir quality in th e s h o rt t e rm. Fu rth er , reducti o n s ca nn ot be th ose that are o th erwi se req ui red du e to ex is ting or new fed era l co ntro l r equirements, o r fr om the implementation of co ntrol s r equired from e nf o rcement actions o r p ri o r S IP r equire m e nt s. Du e t o She lby Co unt y c urre ntl y be in g c l ass ifi ed a s margina l non-attainm e nt of the n ewe r 2008 0 3 NAAQS , any pa s t r educ ti o n s that meet th e crite ri a of be in g ava il ab l e for an e mi ss i ons c r edit b ank that can be u se d for indu s tri al p ermittin g off-se ts , s h o uld be viewed a s co nte mp o ran eo us if tho se e mi ss i o n s are r e mo ved fr o m th e e mi ss i o n s bank and are th e r e f

o r

e n o l o n ge r ava il ab l e for indu s trial off

- se ts. S in ce th e area i s classifie d as marg ina l n o nat1a inm ent, the off-set req uiremen ts are 1
. 1 to I (CAA Sect i on 18 2)
. Th is m ea n s bank ed cred it s availab l e mu s t be divided by 1 . 1 t o determine th e a mount a va ilable from thi s so urce fo r o ff- set credit. 

### 6 . E mi ss io n Re du ct ion s The S he lby Co unty H ea lth D epa rtm e nt , Polluti o n Co ntrol Secti on ( D epa rtm e nt), has id e n tified r e duction s from the 20 II c l os ur e of Cleo I n

c. (so urce numb er 0 15 3) a s banked e mi ss i o n s availab l e f o r indu stri a l permit1 in g o ff- se ts . The co mpan y cease d o p e rati o n partw ay thro u g h CY 20 I I and s urre nd e r ed their Titl e V majo r so urce a ir po lluti o n permit , makin g the reduction s permanent a nd enfo rc e able (see Attac hm e nt V )
. C l eo I nc. r epo rt ed a nd paid ai r p o lluti o n fees o n ac tua l VO C e mi ss io ns of 239.1 t ons i n 2009 and 254
. 5 tons in 20 I 0. S ince the DV used to des ign a te th e area nonattainment was ba s ed o n 2009

- 20 II data , these s tati o na ry so urce e mi s s i o n s co ntribute d to th at DV and theref o re are ava il ab le as off

- set c r edits. Di vi din g th e ave ra ge of th e l as t two full ye ars of ope rati o n by 1. 1 , r es ult s in 224.4 to ns that are ava il able t o be used as ofT-se ts. Durin g the same o pe r atio n a l peri o d , C l eo ave r aged 1.09 tp y o f NO x e mi ss i ons, whi c h have also bee n r e moved from t he c urrent l oca l em iss io ns in ve ntory. 

### 7. Re g ul atory A n a lys i s Ca r bo n Mo n oxide (C O ) a nd Ozo ne (0 3 ) This proposal s ati s fi es both the require m e nt s of Sectio n II 0(1) a nd Sect i on 1 93 of the C lean A ir Act (CAA)
. Secti o n 19 3 reads as fo ll ows: Eac h r eg ul at i o n , s t a nd ard, rule , notice , o rd er a nd g ui dance pro mul ga t ed o r i ss ued by th e Admin is tra t o r und e r thi s c hapt e r , as in e ff ec t b e fore Nove mb e r 15 , 19 9 0 , s hall r e main in e ff ec t acco rdin g to it s terms, excep t t o th e exte n t o th e rwi se provided und e r th i s c hap ter, in co ns i s t e nt w ith a n y prov is io n of thi s chapter, o r revi se d by th e Admini strat o r . No con tro l r eq uir e m e nt in e fT ec t, o r r eq uired to be adopted by an o rder , settl em e nt a g r ee m e nt , o r plan in effec t before Nove mber 1 5, 1990, in any area which i s a nonatt a in ment ar ea for any air po llut a nt may be modified after Novembe r 15 , 199 0, in any manner un less the mod ifi ca ti o n insures equiv a l e nt o r grea t e r e mi ss i o n reducti o n s of s u c h ai r po llutant.
4Thi s prov 1 s 1

o n r equ ir es EPA to ca ll for ·'equ iva l e nt or gr eater reduction s" before it ca n a ll ow terminatio n of th e 1/ M progr a m, but it o nl y appli es to a po lluta nt f o r wh i c h th e area is c urre ntl y n o n a tta inm e nt. He n ce, th er e is a n ee d to compe nsa t e w ith app r op riate em i ss i o n s ofT-se ts a n y i n

c r

eases in NOx and VOC s as precu r so r s to ozo ne. T here is no requirement for equivalent reductions for CO beca u se the Memph i s area is n ow desig n ated attainment fo r CO a nd i s und er its second t e n- yea r mainte nan ce plan. T hi s approved mainte nance plan inclu d es a 480.69 t ons per day (t pd ) safety margin. I t has been pre v i o u s l y demonstrated that th e co ntinuation o f th e 1/M p r ogra m i s n o t necessary to preve nt inte rferenc e with maintenance of th e CO s tandard. See 7 1 F R , pp. 62384-62388, O ctobe r 25, 2006 whi c h is in c l ud ed in Attac hmen t I. T hi s d e mo ns trat i o n an d th e sa f ety margi n prov i ded in th e seco nd ten-year ma in tenance p l an m ee t th e mandate of Sec ti o n I I0(1) o f th e CAA whic h s tate s in pa r t:

...Th e Admin i strat o r s hall n ot approve a r ev is io n of a plan if the r evis i o n wo uld interfere wi th any app licable requirem en t co nce rning attainment a nd r easo nable furthe r progress (as defined in sect i o n 171 ). or any o th er applicabl e r eq uirem en t of thi s Act. This revision of the 

### 0 3 Maint e nance Plan wi l l n o t interf e r

e with co n tinu ed atta inm ent of the CO NAAQS
. S im i la r to th e CO di scuss i on above, th e 0 3 Main t e nanc e P lan is a n applicable requ i rement that ca ll s for the operat i o n of a n 1 /M program. Thi s ac ti o n mod ifi es that plan a nd prov id es g r ea t e r co nt e mp o rane o u s emiss i on r ed u cti o ns than th ose ac hi eved by th e 1 /M prog ram. Th e method se l ec t e d t o demonstrate ofT-se ttin g e mi ss i o ns and r equest a revision to the 0 3 Maintenance Plan is not w ith o ut pr ece d e nt. EP A has take n act i on to a ll ow t enninati o n of 1 /M o bli ga tions fo r L o uisv ill e, Kentucky in 2005 (70 fR, p. 28 429 , Ma y 18 , 2005 (see Attac hm ent 1 ), a n d it s ap proval of a r ev is i o n to a m e nd th e Wi sco ns in S IP to c ha n ge th e 1/M program in th e Mi lwaukee area (78 

### FR, p. 24373, Septembe r 19 , 20 1 3 (see Attachment 1 )). M o r eove r , it i s consiste nt w ith th e app r oac h prop ose d by th e Illin o i s EPA t o reduce the sco p e of ve hicl e cove r age of the 1/M progra ms in th e C h icago and Ea s t S t. Louis areas. This reque s t in vo lve d dropp in g o ld e r ve hicles that are n o t equipped w ith On-b oard Di agnos ti c (OBD) co mputer ports from the ve hi cles r equ ired to undergo em issio n s in spection (78 

### FR , p. 683 78 , Nove mb er 1 4. 20 1 3 (see Attac hment I )). C ritica l to th e Loui sv ill e a nd W i sco n s in revi sio ns was th e r e li a n ce up o n sta ti o nar y so urc e em iss i on r eductions , and s imi l arly, the pro posa l in Illin o is is r e li a nt o n the s hu tdow n o f s t ationary so urc es a s th e so urce of "e qu iva l e nt o r g r eate r r ed u cti o ns" f o r l os t e mi ss io n s r edu ct i on be n e fit s from o p erat i on of the 1/M program s . Lik ew i se, th e Memphi s pr o posa l r e ii es up on use of a por ti o n o f th e em i ss i o n c red its re s ultin g from th e s hutd ow n of the C l eo In c. plant in 20 II. N itroge n Di ox id e (N02) I n 20 10, EPA estab li shed a new 1-h ou r N02 NAAQ of 1 00 parts per billion (ppb) and reta in ed the ex i s tin g annual N02 NAAQS of 53 ppb. Th e Memphis area is in at1a inrn e nt of this s tanda rd a nd is
5ex pec t ed t o ma int a in that sta tu s. N0 2 is a s ub set of NO x, and as s h ow n in th e mo d e lin g and discussed above regarding th e 03 NAA Q S, the e liminati on of the ta ilpipe - o nl y 1 /M progra m re s ults in n o in cr ease in o n-road NOx em i ss i o n s. Therefore, approval of th is Pl a n am endment w ill n ot int e rf e r

e with the ar ea's ability to attain o r ma intain th e N0 2 NAAQS. L ea d (P b ) In 20 08 , EPA s tr e n gt h e n ed the Pb NAAQ S t o 0.15 J.l g/ m3
, r o ll in g 3- mo nth ave rage . T h e Memphi s are a i s in a tt a inment of thi s s tandard and i s expected t o main tai n that s tatu s. Pb was pha sed out o f o n-ro ad mo t or fu e l over 2 0 yea r s ago , so that compo nent o f m o bi l e so ur ces ha s n o contribution t o Pb e mi ss i o ns . Therefor e, approval o f thi s Pl an am e ndment wi ll n o t interf e r

e with the area's ab ility to attain o r ma in t ai n th e P b NAAQS. S ulfur Di o xid e ( S 0 2 ) In 2 0 I 0, EPA es tab lished a new 1 -h ou r S02 NAAQS of 75 ppb and r evoked the 24-hour and annua l s tandard s. T he M e mph i s area i s in atta inm e n t o f thi s s ta n dard and is expected to mainta in that s tatu s. S0 2 i s e mitted from motor veh i cl es, bu t th e amount e mitte d is a function of the s ulfur content of th e fu e l b e in g co mbu s ted
. The 1/M pro g ram d id not a ddress fue l composition
. I n fa ct , rece nt c han ges in the f e d era l requirement s f o r the s ulfur co nt e nt o f o n-roa d gaso lin e and o n -road diese l fuel has r es ult ed in a dramati c d ecrease in S0 2 em iss i o n s a tt ributab le t o o n-roa d so urc es . Therefore, a pp roval of thi s Plan amendment n ot interfere wi th th e ar ea's ability t o attain or maintain th e S02 NAA Q S. P a rti c ul a t e M a tte r (PM) S h e lby Co unt y is in a tta inm e nt of a ll c urrent PM sta nd ard s based up o n 20 I0-20 1 2 air quali ty data. Local annual a nd daily d es i g n va lue s of I 0.88 mi crogra ms per c ubi c m e t

e r (J.l / m 3 ) a nd 20.47 J.l / m 3
, re s pe c ti ve l y , ar e we ll w ithin the new fin e particul a t e matt e r ( PM 25 ) NAAQS of 12 J.1 l m 3 (annual) a nd 35 Jl l m 3 (d ai ly). Also, l oca l m o n i t o rin g ha s s h ow n a s tead y decrease in PM co n ce ntrati o ns ove r man y yea r s . O n go in g sta ti onary so urce and m o b il e so u r ce c han ges are ex pec t ed to co nti nue that tre nd. Th e ta ilpipe liM program o nly te s ted f o r excess CO and hyd r oca r bons (VOCs) f ro m gaso line pow e red mo t o r vehicles. Stud i es have shown t hat YO Cs can b e a precurso r to PM i n certa in chem i cal and met eo r o l

og i ca l ci r cu mstances. T hi s r ev is io n t o t he maintenance p l an offers a 1. 1 to I r educt i o n of YO Cs in the l oca l airs h ed whi ch s h ou l d off-set any increa se i n PM concent r ation s f r o m the pro g ram 's c l os ure . 

### 8. Int e r gov e rnmental Consultation C ru cia l t o th e process t o assure continuity a nd consistency between agencies thro ugho ut Shelby Co unt y . th e S tate of Ten n essee. and Re gio n 4, is th e int e r govem m e nt a l co ns ulta tion process required by 40 CF R 5 1 , S ubpart M. Inf o rmati on related t o int erage ncy co nt ac t and discussion ca n be found in Attac hm e nt II. Thi s inf o rmati o n va lid ates the coopera ti o n that ha s been achieved between th e parties that h ave wo rked toget h e r through this revision process. The he lp a nd coope r a ti o n received ha s bee n n eeded and is mu ch a pprec i ated.

6II. REGULATORY PORTIO N Th ese sec t io n s r e pla ce t he 2010 Maintenance Plan a ppro ved e ff ective Fe bru ary 3, 2010. 

### 9
. Revi se d Mai nt ena n ce Plan In accordance with the 1990 Clean Ai r Act Amendments, Section I07(d)(3)(e) and Sec t ion 175A. the following sections, including revisions to those secti o n s necessary t o adjust for inc r eases in NO x and VOC emissions fr o m c l osu r e of the C it y of Memphis I nspection and Maintenance Program, demonstrate maintenance of the 1997 8-hour NAAQS throughout the maintenance period. Thi s ma inte nanc e plan , c riti ca l in preventing the deterioration of a n area 's a ir qu a lity , se ts forth meas ure s to be carried o ut unti l Nove mb e r 30, 202 1
. Durin g th ese years, the p l an co n tains co mmitm ents to co nti n ue existing progra ms a nd to imp lement pr og ram s an d mea s ures depe ndin g up o n em iss ion in ve nt ory a nd air qua l ity monitoring resu l ts. The se p r ov i s ion s of the p l an assu r e both an on-going effort to maint a in the NAAQS a nd the opportuni t y and obligat i o n t o impleme nt n ew programs a nd measures in the event unf o re see n development s ove rwhelm the effect iveness of the mandated effort t o maintain the 1997 8-hour· ozo ne AAQS. A
. Projections

- With thi s r ev ision , She lby Coun t y area a nd non-road so urce s of e mi ss i ons for 202 1 r e main the s ame as those prov ided in the 20 I0 

### 0 3 Maintenance P lan approv e d by the EPA (75 FR , January 4, 20 I 0 ( see Attac hm e nt 1 )). H oweve r , point and on-road so urce e mis s ions have changed
. On -road emi ss ion s fo r 2006 and 202 1 were remodeled utili z in g MOVES20 I Ob, wh i ch r e plac ed and updated es tim ates from the previ o u s model. MOBILE6. 2 u sed for thi s p urp ose . P o in t so urce emission s for 2006 remain the same. 202 1 po int sou rc e emiss i o n s for VOC 's and for NO x have been adjusted fr o m the 20 I 0 0 3 Maintenanc e Plan by subtracti n g the em i ss ions that we r e credited to the closure o f C leo Inc. The actual emissions resulting from the closure, in the amou nt of 0.676 tpd VOC. are mo re than s ufficient t o acco unt for the 0.387 tpd (0.352 tpd times 1.1) needed to ofT-set th e VOC em iss i o ns increa se re s ulting from th e shutdown of the 11M Pr ogram, th e r e being no c h ange in NOx e mi ssio ns from th e s hutd ow n. I n keeping with the required 1.1 to I off-se t ratio , the local e mi ssio ns banked w ill be reduced by 0.352 multiplied by 1. 1 whi ch yields 0
. 3 87 tpd or 141 .3 t o n s pe r yea r (tpy). T he emissio ns bank wi l l th e ref o r

e in c lud e the remain in g VOC emissions that re s ult from the shu t down of C l eo I n

c. in the a mount of 0.289 tpcl o r I 05.5 tpy. Project i ons for on- r oa d mobile , point , area , and non-ro ad mob i le sources are presented in Tabl e II and were pr ojected forward from the 2006 in ven t ory to 2021 (takin g into account the 20 13 1 /M and Cleo I nc. changes). be yo nd the I0-year interval required in Section 175 (A) of th e CAA. Thi s maintenance demon s trati o n projects the future em iss io ns of VOC"s and

**~** will remain below those of b ase ye ar 2006. The S helb y County ba se year and futu r e year emi ss i o n inventory estim a t es are presented in Tabl e II and in Fi gu res I a n d 2
.

7T ABLE II Summer Season Tons Per Day Volatile Organic Compounds Emission Inv e ntory Type Year Area N on - Road On
- Road' Point•• Total Baseline Inventory Basey ear 2006 37

. 531 22

. 698 23

. 986 13

. 665 97.880 97 .8 80 Projection 2021 47

. 039 1 9

. 734 8

. 558 17

. 715 93

. 046 97 .8 80 Nitrogen Oxides Emiss ion Inventory Baseyear 2006 2

. 101 2 6

. 657 58.013 1 4 .458 101 .229 101

. 229 P rojection 2021 2

. 695 2 1

. 607 16

. 035 18

. 373 58.710 101

. 229 Note : to resolve double countmg , the pomt source emiSSIOn estimates for GraphiC Arts and Oegreas1ng were subtracted from the area source emissions estimates

. To accomplish this task , both the SIC and the sec codes of the ca t egories believed to be involved were located and the related emissions were then used

.

• 2006 On-Road emissions include the effect o f I&M reductions on City of M emphis veh icles

. As a result of the cessation of the I&M program by the City of Memphis in 2013, I&M reductions can no l onger be inc luded in 2021 projections

. Estimates are made utilizing M OVES20 10b

.

•• Cleo Inc

. terminated their operat in g pe r m i t in 2011

. 2009 and 2010 actual emissions of VOC amounted to 239

. 1 and 254

. 5 ton s per year (tpy) as certi fi ed by t he source for each of those y ears. These figures

. averaged and divided by 365 resu lts i n 0

. 676 tpd which i s subtracted from the 20 1 0 0 3 Maintenance 202 1 projection of 1 8

. 391 t pd y ie l ding the point source emissions of 1 7
. 7 1 5 t pd f or 2021

.

**I~** 100

**~** 80 0

**~** 

# .. eo Q. .., c: 0 1-

**0**

**~'()** 0 

### F i ur e 

### 1 Shelby Cou nly VOC Emi ssions -Summer

Year



### 8 

# r - tv ... -.-th ; r "'01.l

...... ,._ ,1 . \.1'

**-c..-~** ..,....

- ltJII

-- FIH""'U'-F i u re 2 Shelby Coun t y NOx Eml $$ lon s • S um me r

Year [ - At

..

-- N on- R o o d • • On ·R o a d

**~,_. oin**  **t**

----- T o ta l

- Bac.el.,•

B. Moto r Ve hi cle E mi ss io n s Bud ge ts- The tran s p o ttati o n co nf o rmity rul e found in 40 CFR P

art 93 r equ ires s pec ifi c emiss i o n bud ge ts be defin ed for the o n-road m o bil e so urces p ortion of the She l by Co un ty em i ss i o n in ve nt ory. T he se budgets are use d by tran s po rt at i o n au th o riti es to assure that tran s p o ttati o n plan s, programs , and pro jects ar e cons i s t ent w ith. a nd co nf o rm to , th e maint e nanc e o f acce ptab l e air quality in S helb y Co unty. Sect i o n 93. 118 ( b) s tate s in part: Co n s is tenc y w ith th e motor ve hicl e emissi o n s budge t(s) mu s t be dem o ns trate d for eac h ye ar f o r whi ch the appli c abl e (and /o r s ubm itt ed) impl e mentation plan s p ec ifi ca ll y establ is hes moto r ve hi c le emission s budge t(s) , fo r th e atta inm e nt yea r ( if it is w ithin the timefram e of th e transp o rtati o n pl an), fo r th e l ast yea r of the transportation plan' s forecast period , and f o r any int e rm ed iat e yea r s a s n ecess ary so th at th e yea r s for wh i ch co n s istency is dem o ns tra ted ar e n o mo r e than t e n yea r s apart Th ese pr o

j ec ti o ns f o r o n- r oa d mobil e, po int , a r ea, and n o n -road mobi l e so urce s are pre se nted in Tabl e I I a n d were projected forward from the 2 006 in ve n t o ry t o 202 1 (tak in g into account the 2013 1/M and C l eo In c. c han ges), beyond the I 0-year inte rva l r equired in Sec tion 1 75 (A ) of the CAA. Th i s m a intenanc e d e mo n s tratio n project s th e futur e e mi ss io ns o f VO C's and NO x wi ll remain b e l ow th ose o f ba se yea r 2006. In acco rd ance wi th Sec ti o n 93. 1 18 , thi s ma inte n an ce plan se t s mo t o r ve hi c l e e mi ss io n budgets (MVEB) f o r S h e lby County , base d o n a 2006 atta inm e nt ba se yea r inventory w ith 202 1 as the final yea r of th e plan. With thi s revision of the maint enan ce plan , 202 1 po int and o n-road so urc es of e mi ss i o n s hav e changed but area and n o n-road so urce categories r e main the s ame as those provided in th e 20 I 0 

### 0 3 Maint e nance Pl a n a ppro ved by the EPA (75 Federa l R egister , J anua ry 4, 20 I0 (see Allachme nt 1 )). On-ro ad emiss i ons for 2006 and 202 1 we r e r e mo deled utili z ing MOVES20 IOb w hi c h replac ed and updated esti mate s fr o m th e pre v i o u s mo de l, MOB I LE6.2
. P o int source e mi ss i o n s for 2006 remain th e sa m e . 202 1 po int so urce e mi ss i o n s f o r VOC's and for NO x have b ee n ad ju s t ed from th e 20 I 0 

### 0 3 Maintenance Pl a n by s ubtrac tin g e mi ss io n s c r ed ited t o the c l os ure of C l eo In c. in 2 01 3, a nd th e n rati oe d t o a ss ure t o t

al off

- se t of th e in c r ease in e mi ssio ns r es ultin g fr o m th e s hutd o wn of th e City of M e mphi s liM Prog r a m. Tabl e Il l depicts th e in ve ntory analysi s u se d t o se t th e MY EB s .
9TABLE Ill Summer Season Tons Per Day Vo latil e Organic Compounds Motor Vehi c l e Emission Bud get (MVEB) Percent Offsots Allocatl Motor on of Type Year Area N on · On· Point from Total Baseline Safety Safety Vehicle MVEB Inventory Road Road Cleo Inc. M argin M argin Safety 1.1 : 1 to M argin M VEB Baseyoar 2006 37
. 631 22
. 698 23.986 1 3
. 665 N/A 97.880 97
. 880 N/A N /A N/A 2 3
. 986 Pro!ectlon 2021 47
. 039 19
. 734 8.568 17
. 7 1 5 0 .38 7 93.433 97.880 4
. 447 0 .96 4
. 224 12
. 782 Nitr oge n Oxides Motor Vehi c le Emi ssion Budg et (MVEB) Basevoar 2006 2
. 101 26
. 657 68.013 1 4
. 468 101.229 101
. 229 N IA NIA N IA 58
. 0 1 3 Projectlon 2021 2
. 695 21
. 607 16.035 1 8
. 3 7 3 68.710 101
. 229 42 .619 0.95 40.393 56
. 428 Note : to reso l ve double countmg, the po1nt source em1ss1on estimates for Graphic Arts and Deg r eas 1 ng were subtracted from the area source emissions estimates

. To accomplish this task

. both the SIC and the SCC codes of the categories believed to be involved were located and the re l ated emissions were then used

.

• 2006 On
- Road emissions include the effect of I&M reductions on City of Memphis vehicles

. As a result of the cessation of the I&M program by t he City of Memphis in 2013, I&M reductions can no longer be included in 2021 projections

. Estimates are made utilizing M OVES2010b

. •• Cleo Inc

. t erminate d the ir operating perm i t in 2011

. 2009 and 2010 actual emissions of VOC amounted to 239

. 1 and 254

. 5 tons per year ( tpy) as certified by the source for each of those years

. These ligures , averaged and divided by 365. results in 0.676 tpd which is subtracted f rom the 2010 03 Maintenance 2021 projection of 18

. 391 tpd

. yielding the point source emissions of 17

. 715 tpd for 2021

. On·road emissions increase d as a result of the shutdown of the Ci ty of M emphis liM program by 0

. 352 tpd

. Emission reductions from the closure of Cleo Inc

. amounted to 0.676 tpd

. Of th is amount 0

. 387 tpd (0

. 352 tpd times 1

. 1) were used to offset the on·road emission Increase

. The MV EB s for VOC 's and NO x are restated as s hown in Table I V t o better c lari fy th e ir values and ar

e depicted in Fi gures 3 and 4 t o further improve this clarity. TABLE IV Year Polluta n ts MVEB ( t o ns/day) 2006 VOC 23. 986 NOX 58.0 13 202 1 

### voc 1 2.782 NOX 56.428 Fi urc 3
She lby County VOC On·Road Emission Bud got 120

t OO
>- eo 

# .. 0 

## - 

# _ ... .



# ... . I

**~** CL tiO 

# .. c

**~** 40
20 : -

**~** 

# - 0 202 1 Year

1 0F i urc 4
She l by County NO x O n - R o:1d Emi ssio n Budget 14 0 1 20 1 00 

### ......, 

# l

-- 1<1• _,,.,., ... 

### ,.,

- e,J.,.t
>- 

### "' 0 80

**~** 

# .. Q. VI 60 c: 0

**~** 4 0 20 0 2006 202 1 Y e ar The MVE B r e fl ects th e t o tal on-road mobile so urce e mi ssio ns for 2021 plus an a ll oc ation from ava ilable YOC and NO '( safety margins. Th e a ll oc ati o n fr o m the safet y margin s i s availab l e because of r eductions o f YOC and NO x that have occu rr ed , and are projec t ed t o occ ur, primarily from mobile sou r ces . YOC a nd NOx reduct io ns are a nti cipated from the n o n-road mo bile sou rc e category b ut are ex pe c t ed t o in c r ease in th e po in t so urce ca t ego r y due to future economic factors. The point so urce emissions increase s how n in Table Ill doc s n o t take into account r edu c ti o ns from k n ow n point so urce c l osu r es w ith the exce pti o n o f C l eo I nc. YOC r eductions from ar ea so urce s are a l so ant i c ip a ted to occ ur due t o co ntrol technique s in s titut ed on a federal l evel on indu st ri a l manufacturing ac ti vities. H oweve r , future population increases act t o balance a re a source reductions suc h th at th ere i s a net increase in YOC emiss i o ns in this category. The MVEB is constr a in ed to as s ure that th e t otal em i ssions from all so urce categori es do not exceed the 2006 attainment year emissions
. U

nd e r 40 CFR 93. 10 I , th e safety marg in i s th e difference betwee n th e atta inm en t l evel and the projecte d leve l , from a ll so urce s, o f emissions in th e ma inte nance plan. The atta inm e nt l eve l o f emissions is th e leve l of e mi ss i o ns durin g o ne of th e yea r s in which S h e lby Co unt y m et the 1997 8- hour ozone NAAQS. The safety mar g in , in wh o l e or in part, ca n be allocated to th e transportation sec tor as l o n g as t o ta l e missions from a ll categories remain below the atta inm en t level. Ni nety -fi ve pe r cent (95%) of the safety margin emi ssions are allocated to th e MVEB. Specifica ll y , 4.224 tpd of th e avai lab l e VOC safety margin and 40.393 tpd of the avai lable NO x safety margin , are allocated t o th e 202 1 MVEB. Th e remaining safety m argi n in 2021 for YOC i s 0.223 tpd and for NO x is 2. 126 tpd. The MY EB is cons iste nt wi th the plan for maintaining total emissio ns from a ll source ca t ego rie s at or below the 2006 YOC a nd NO x e mi ssio n l evels through 202 1
. For f uture yea r co nf o rmit y de t e rmin at i o n s , tran s po rtati o n a uth o riti es s ho uld r e l

y o n th e MV EB unl ess pl a n r ev i s io n s occ ur . C. A ir Qua li ty Mon itorin g Ne twork

- Th e ex 1 stmg Shelby County ozo ne air quality mo nitoring network will cont inu e to be operated in it s prese nt configuration. Any change to the present configuration wi ll be in accordance with the Memorandum of Agreement (MOA) finali zed o n Jun e 20 , 2008 between the Shelby Coun t y Government , Arkansas Department of E nvironmental

IIQua li ty ( AD E Q) and th e Mi ss i ss ippi D e partm e nt of Environme ntal Quality ( MDEQ )
. Thi s MOA i s in accordance with 40 CP R 58 Append ix D, Sec ti o n 2(e), and i s l oca t ed in Attachment VI al o n g w ith a 20 14 map s h o wing ozo ne mo nito r loca ti o ns in th e Memph is MS A. I n add iti o n , any chan ges in th e air mo ni to rin g n e tw o rk will be di sc usse d with EPA prior to the cha n ge. 

### 0. Triennial E mi ss ion In ve nt ory - In o rd er t o trac k the pro g r ess of th e m a int e nance plan , a tri e nnial em i ss i o n in ve nt ory of actual emissi o ns for S h e lby County wi ll be performed us in g th e l a t

es t emission fa ct ors, models an d meth o d o l

ogies t o includ e area , n o n-road mo bil e, o n-road mobi l e a nd point so urces o f VOC and N Ox. The fir st yea r for in cl u s i o n as a n in ve nt ory ye ar co ns iderin g th e d ate of this re vis i o n t o the 2 0 I0 

### 0 3 Mainte nan ce Pl a n is 2 014. Successive in ve nt ory yea r s will be 2 017 (whic h is a l so a transpo r tation e mi ss i o n bud ge t yea r that coincides with the S h e lby County R

ev ised CO Mainte nance Pl an) and 2020. E. S tati o n ary So urc e Co ntrol

- Sources wish in g to l o cate in Memphi s will cont inu e t o undergo new so urce r ev ie w requ irements. Ex i s ting stati o nary so urce co ntro l will continue. Companies wi ll cont inu e t o be so ught f o r th e purp ose of vo luntaril y r ed u c in g VOC and/or NO x em i ss ions w h ere poss ibl e . I mplementation of new federal control measure s, as expec t ed and w h er

e a nd when appropriate, wi ll co ntinue to be requ ired. Th e NO x S IP Call indi ca ted th a t Tennessee 's 8-hour ozo n e nonattainm e nt ar eas r ece ived s ignifi ca nt contribu tions from se ve ra l upwind s tat es. The D e partment be li eves that add iti o nal NO x emi ssio n r edu c tion s to comply wit h the NO x S IP ca ll will co ntribute to continued compl i ance with the Ozon e NAAQS in the ar ea. T he Clean A ir I nte r s t a t e Rul e (CA IR ) upd ates and exp and s th e NOx Budget T r ad in g Program required by the N O x S I P ca ll and continues to r equ ir e ad diti o nal NOx r educt i o ns that began in 2009. The CAIR a l so in c lud es reduct i o n require m ents in s tates not pr ev i o us l y includ ed in the NO x S I P call that cou ld ha ve a po s iti ve impact o n ozone a ir quality in th e M e mphi s a r ea . These includ e, Mi ss i ss ippi , Arkansas, L o ui s iana , and Mi sso uri. T h e s i g nifi ca nt addit io nal NO x r educ ti o n s r e quired b y CA I R are expected t o aid in the ma int ena n ce o f th e 8

-hour ozone NAAQ S in thi s area. 

### F. Voluntary Measures T h e Department. as we ll as o ther entit i es in the Co un ty and th e State. co ntinu es t o r esearch and implement vo lunt ary meas ures that ha ve a p os iti ve effect o n l oca l air quality . Some of the agencies involved in this effort in c lud e: Th e S h e lby Co unty H ea lth D e partm e nt P o lluti o n Co ntrol Section. th e Memphis Area Transit Authority (MA T A), Memphis Light Gas a nd Water (M LGW ), the Metropolitan Plannin g Or ga nization (MPO). th e S helby Farm s P ark Co n se rvancy , and the Memphis and S helby Co unty Divi s ion of Plannin g a nd Development whic h in c lud es the Memphi s and Shelby County Office of Susta inability
. l. E n ergy Redu ctio n: T h e r

e are ma n y indi vidu a l e n e r

gy reducti o n pr o

jects that h ave recently occu rred in th e n o na ttainment area. Man y of th ese have come abou t due to po litic a l l eadership e n cou r ag in g suc h proj ec ts thro ug h severa l initi a tive s .
1 2As o ne example, the Green Building Task F orce r ev i ewed the Ex isting Building Code, amo n g oth er suc h materials , recommending revisions that would l ead to M e mphi s and S h e lb y Co unty becoming a regional leader for gr ee n buildings , s u s tainabl e deve l opment, and adaptiv e r euse of ex ist in g buildings in the juri s diction. The task force and cons u ltant s ubmitt ed their final r eco mmendation s in Jun e 2012. F or th e e nd re s ult , energy efficiency co de s w ill be propose d before the legislative bodies. Once adopted it i s estimated the se codes co uld reduce utilit y co n s umpti o n b y at l eas t 933,790 kilowatt-h o urs (kWh) o n an annual basis. The C l ean a nd Green Initiati ve (www. memphi sc leanandgreen.com) is a 5 year st rategy for developing renewabl e e n e r

gy at municipal facil iti es. Led by Memphi s Bi owo rk s Foundation , in conjunc tion w i th S i emens Indu stry, In c., Bui l ding Techno logie s Di vis i o n , th e specific activitie s assoc iated with the C lean & Green I nitiative include: energy conservati o n and reduction in municipal buildin gs and facilitie s, including s tree tli g ht s; energy generat i o n. includin g so l ar o r ot h er t ec hnologies ; conversion o f vehic le s to comp ressed na tural gas (CNG); public safety effo rts. including s treet li gh tin g; tra s h r ecyc lin g and redeployment of material s; bi o mass conversion t o e n e r

gy, liquid fuel s a nd c h e mical s; waste r e m ed ia tion and environmental c l ea n-up ; a nd wa s te and water manage m e nt sys t ems that preserve e n e r

gy, impr ove the environment and in c r ease the value o f City services. In The Mayor s' Energy C halleng e, City of Memphis Mayor A C Wharton , .Jr . a nd S h elby County Mayor Mark H. Luttr e ll , Jr. have partnered wit h Pathway Lendin g, a non-pro fit comme rcial lend e r in Tennessee , as we ll as th e State of Tenne ssee, MLGW , and the T enn essee Valley Authority to present the Challenge to business owners and re s ident s in Memphi s and S he lb y County. Thi s public -pri vate partner s hip i s designe d t o prov id e the nec essary t ools and r eso urce s to m o ti vate indi vidual s in the community t o mak e th ei r h o m es a nd busine sses more energy efficie nt. Thi s provides a thre e f o ld r e turn t o th e communit y : indi vidu a l s will be able t o s a ve money; contractors will ha ve more busine ss opportunitie s; and there will be l ess carbon e mitted in th e commun it y . Examp le s o f so m e of th e pro ject s inspired by th ese and othe r initiatives in c lud e: 

## r Visitor 's C e nt er at S h e lby Farms. Thi s building underwent an energy conservation based renovation in 20 1 2 . A new HV AC system , w ind ow tinting and UV- I a m p t o c l ean the HV AC coi l s were all in s tall ed. A 20% reducti o n in th e ene r gy use is anticipated fr om th ese ren o vati o n s. 

### r Trustee 's Buildin g a t 157 P o plar Ave. Thi s building was refurbi s h ed l as t yea r. This work included the in s ta ll a ti o n of a new m o re e ner gy e fficient HV AC sys tem and other energy co n servation up g rad es .
,.. Sears C r oss t ow n S us t a in ability Impr ove m e nt s . The historic Sears C r oss t ow n building is being preserved and redeve l o ped as a mixed-u se vert i ca l urb a n villa ge in Midtown Memphis. Eight Founding Partn e r s have committed to inh ab it nea rl y 600 , 000 s quare feet of the hi storic buildin g. Th e pro j ec t see ks t o use $2.0 1 milli o n in Qualified Energy Co nservation Bond proceed s to finance a numb er of s ustainable d es i g n e lem e nt s, includin g rainwater harvestin g, g reen r oofs, low- fl ow plumbing fixture s. hi g h effic i e nc y buildin g sys t e ms, and li g ht emitting diode (LE D ) li g htin g a mo n g other it e ms . r 20 pu blic electric ve hicl e (E V) charging s t a ti ons in S helby Cou nty as r epo rt ed o n the EV we b s it e: http : //w\vw
. blinknetwork
. co m / blinkMap.html

13)... Solar E nergy Ge n e ration I ns ta lla ti ons: • Agricenter So l ar Fann is a 998.4 kil owa tt (kW) farm producin g 1 , 600 , 000 kWh annually • Bioworks so lar panel s o n their parkin g g arage: a 750 kW a1ny • All Better P ediatric s: a 28 kW array • M e mphi s P ed i a tric s Gennantown: a 50 kW arra y • St. Agnes-St. Do minic School: 17.4 kW a n·ay • Br o th e r Indu stri es: two 59.8 kWh so lar farms. Additi o nall y . in 20 1 2, Br o th er in s tall e d a Hi g h Effi c i e n cy Air Compressor t o r e pla ce an ineffici ent unit in s tall ed in 1998. Th e new comp r esso r consumes 171 , 000 l ess k W per year due to th e co mpr ess or using a variable drive sys tem. 2. La nd Usc P lan nin g: Th e M emphis and S h e lb y C o unty Office of S us tainability ha s bee n charged with the implementati o n and ove r s i

g ht of the Sustainable S h e lby I mplementati o n Pl an de ve loped fr o m ex t ens ive community input in 2008. The Offi ce is l oca l government's lead in g advocat e and re s ource f o r s u s tain a bility a nd coordinates va ri o u s r eg i o nal initiati ves. One s u c h initiati ve is th e o n go in g updatin g of th e r ece ntly adopted U nified Deve l o pment Code (U D C) de s i gned to reduce s prawl, encourage r e n ewed urban devel o pment , a nd make co mmuniti es more people focu s ed. Throu g h this office, S h e lby Co unty Government r ece i ved a $2.6 mil lio n gran t th at is being use d to es tablish a "greenprint " plan. This plan w ill es tabli s h a unified vision for a r eg ion-wide network of g reen s pace ar eas in c ludin g park s, g r eenways , byways, bluewa ys, conservati o n land s, natural a r eas , wi ldlif e manag em ent ar eas, o pen space area s, and o ther s imilar spaces. A co n so rtium of greenwa y o rga nization s, related businesses and local a nd s ta t e gove rnments i s leadin g th e plann in g efTort. In additi o n t o th e new UDC and the R eg i o nal Gr ee nprint plan currentl y being developed. the C ity of Memphi s re ce ntl y adopted a Complete Streets po li cy that will complement th e o th e r two . Thi s h

e lp s to ensure that future d eve l opment and red eve l o pm e nt will focu s o n pr ov idin g acco mm odat i o n to all u se r s of transp o rtat i o n a nd public s pace s. 3. T r a nsportat i o n : T he Te nn essee Departm e nt o f Transportation (T OOT) ha s been aggress ive l y working o n an Int e lligent Tra nspo 1t a ti o n Sys tem in Shelby Co unt y . I n 2007, the sys tem was made fully functional with the completion of th e l oca l control ce nt e r. Bes ide s assistin g in manag in g fl ow o n l oca l ex pr essways and improv in g in cident r es po nse tim es, which g reatl y redu ce congestion and associated polluti o n, th e m essage board s are u se d t o a l ert citize n s t o unh ea lth y ai r quality f o re casts and enco ura ge action s t o avert s u ch epi so de s. She lby County is ex p e ri e ncing dramatic g r owth in greenway and bicycle trail planning and co n s truction. Th e 6.5 mil e S he lby Fann s Gre e nlin e ha s been a community -b uildin g s uc cess and it is to be ex tended seve n mil es eas t from th e current eas t e rn terminus at the centrally-located 4 , 500-ac r e S h e lby Farm s Park
. Additiona ll y, the W o lf Ri ve r Greenway continues t o be expa nded w ith th e future goa l of h av in g an off-road path from the Mississippi Ri ve r to the eastern ed ge of the Co unt y.

14The Main t o Ma in Multi-Modal Conn ec t o r Project ( http: / /rna in 2 main.c o m) will inc l ude major infras tructure r e pairs an d improvements on DO \\ nt O \\ n t le mphi s' Main treet from Up t O \\ n t o th e ll ar a han Br i dge and co m ert the Harahan Bridge into a bike / p edes tri a n path. This pro ject i s mad e possible by $ 15 milli o n in f ederal funds thro ug h th e 1 ransportat i o n In ves tm e nt Generatin g Eco n o mi c R ecovery Gran t (T I GER IV )
. as \\ell as matchin g g rant s from s ta te and loca l fund s and priv a t e fund s. Th e S h e lby Co un ty Trai l s Plan prop os ed poss ibl e a lte rnati ve r o utes a nd e nh a n ced c o nn ectivity fr o m th e Mi ss i ss ippi Riv e r Con·id o r Trail to var i o u s po ints in the c i ty . Th e so uth e rn r o ute expan s i o n w ill create a r ecogni zed access t o job s becau se it will directl y co nnect n e i

g hbo rh oo d s t o th e bu s ine ss di s trict a nd indu s t r ial co mplexe s in Memph i s within S he lby Co un t y . Th e go al i s t o c r eate a Trail s Pl an th a t inclu de s th e expan s ion of the so uth e rn r o ute w hi c h w ill pr ov i d e an a l ternative tran s p o r ta ti o n choice. A ft e r be in g id e ntifi e d as o n e o f the m os t unfri e nd l y area s in th e co untry f o r bicycle s by Bicyclin g Magaz in e, loc al e l ec t ed o ffi c ial s ralli e d t o impro ve th e area's pos iti o n in th e imp o rtant tra n s po rt a ti o n mo d e. The e ff ort r es ult ed in th e magaz ine r ecog ni z in g th e area as th e ' Mos t I mprove d ' in it s mos t r ec ent e valuati o n . Thi s ha s tran s l a t

ed into in c r ease d public and privat e fundin g f o r new and inn ova ti ve in fr as tru c ture p ro

j ect s th a t have r ece ived n a ti o na l a nd inte rnati o nal re cog niti o n. T h ese projec ts n o t o nl y help prov ide safe a lt e rn a ti ve tra nspo rta ti o n ch o i ces . but a l so h

e lp ad d r ess h ea lth a nd a ir qu a lity co n ce rn s in th e ar ea.

S h e lby Co unty Bike Infras tru cture (mil es } FY 2009 FY 2 01 0 F Y 2 011 FY 2 01 2 FY 201 3 S h a r ed Use Path 15 22 25 26 3 1 S h ned La n es 56 56 65 70 115 Bike La n es 2 8 3 1 48 74 Mtn. Bike Trai l s 17 17 1 7 1 7 17 Sour ce : City of M e mphis Di vi s ion of Engin ee ring, Sep t e mber 23, 2013 l1 1i s t ab l

e no t es th e expa n s i o n of bi cyc l e p ath s an d inf rastruc tu re i n S h e l

by C o unt y ove r t he pas t li ve years. Th e Gr ea t e r M e mphi s a rea has bee n the recipi ent o f f ed era l Co n ges ti o n Ma na ge m ent/A ir Quali ty (C M A Q) f undin g s ince th e program w as fir s t ad o pted into na ti o na l hi g h way l eg i s lati o n . Vari o u s p

rojec t s h ave bee n ev alu a t ed. a pprove d by th e MP O a n d e ith e r fu ll y o r parti a ll y imp lemented. The ar

ea i s n o t ed as be in g a lea d e r in traffi c s ign a li za ti o n projec t s t o r e du ce co n gest i o n. A s part of the ap prova l process , ex pec t ed e mi ss i o n s r edu c ti o ns ar e d eve l o ped
. Aga in , whil e r ecogni z in g th ese r ed u c ti o n s ar e n o t c r edit ab l e, th e ro l e th ey p lay in h e l

p in g th e ar ea t o ma int ai n p rogr ess t oward accep t ab l e ozo ne a ir qua li ty is imp o rtant. Be l ow is a su mm ary of th ose pr ogra m s a nd th e ir ex pec t ed b en e fit in r ed u c in g e mi ss i o ns.

1 5SUMMARY OF C MAQ PROJ ECTS AND PR O J ECTED EMI SS I O NS REDUCTIONS Cos t 

### co vo c NO. Name o f Project (M illi ons) R ed ucti on Redu c ti o n R ed u ct i

o n (tpy) (tpy) (tp y) Shelby County Signal Project $2 1.1 3 72.580 6.076 6.540 MATA Hybrid Bus Pur c hase $2.4 0.03 1.9 7.7 Coo rdinated Signal Sys t em I $1.07 5.28 0.45 0.60 Coo rdinated Sig n al Sys t e m 2 $ 1. 77 40.26 3.42 4.56 Coo rdinate d S i g nal Sys t e m 3 $2.72 40.26 3.42 4.56 H

ouston Levee at H ous t o n II ill Traffic Signal $0.12 1.65 0.14 0.19 Cov ingto n Pik e Signal Sys t em $0.90 4.91 58.62 ( -0.99 ) City of Memphis- 50-M il e Co nnections $ 1.70 0.70 0.53 5.95 TOTAL $3 1.81 16 5.67 74.56 30. 1 4. Health Department Initi at iv es: R

ecogniz in g that in dustr i a l r eg ulation was n o l o nger th e o nl y p a th t o c l ean air. in 2007 She l by County Governm ent estab li s hed th e A ir Quality Im proveme nt Bran ch (AQ I B) within th e P o lluti o n Control Sec ti on. AQ IB s taff has been tasked with identifying other project s and funding sources t o s upp ort local c l ea n a ir effo rt s. On Ozone Action Days, th e cos t of bu s o r tro ll ey fare i s s ub s idi zed from Health De partment fund s a ll ow ing the rid e r t o pa y ju s t $0

. 25 t o r i de publ i c tr ansportat i o n. There hav e b ee n 3 6 actio n s da ys s ince their s tart in 2009 w i th an average est im ated dail y rid e r s hip in c rea se f or th ose da ys of 5%

- I 0%. Additionally, s in ce imp l ementation of th e program, the M emphi s Ar ea T r ansi t Authority (MA T A) reports that ove rall daily rid ers hip has increa se d by 4%. See the table below for add itional informatio n . Ca l e nd ar Year Ozone Action T ota l Rid ers on Action Average Dail y Rid ership Da ys Days On Ac ti o n Da ys 2009 3 12 1 ,54 8 40 ,5 1 6 20 10 4 I 09,429 27,3 57 20 11 13 350,64 1 26,972 20 1 2 14 403 , 763 2 8 , 840 2013 2 44 ,4 05 22,203 Th e retrofitting o f o ld e r diese l e n gines is a rec og ni zed cost-effective meth od o f reducing e mi ssio ns from mob il e so urce s. The Department h as been aggress ive ly pursuing thi s initiative. To date. th is
16program has resulted in the retrofitting of approximately 298 pub li c sc h oo l busses. 85 sa nitation trucks and 80 pub l ic transit buses
. These fle ets we r e targeted because th ey are heavy diesel engine vehicles that regularly travel through h eavily populated areas. The Departme nt a l so mana ges a ride share / van pool program and suppo rt s it wit h a multi

- faceted educa ti o n and ou tr eac h program . The educat i on and out r each in itiatives includ e on-si te visits to businesses, indu s try, events suc h as the l oca l Earth Day ce l eb r at i on, and multi-media ads
. Thro ug h thi s program, th e D e p artmen t was a founding plannin g member and partic ipant in the n ow annua l T i ger Blue Goes Green celeb r ation o n the cam pu s of th e Univers i ty of Me m p hi s. I n 2 007
. th e D e partm e nt received a Comm unit y-Sca l e A ir T oxics mo nit ori n g g r ant to help further research e mi ss i o ns from Bar ge traffic o n th e Mi ss issi pp i River. T h e s tudy was comp l eted in l ate 20 I0. As th e four th lar ges t inl and port in the United States, it is be li eve d th at th is tr affic co uld be a s i

g nifi ca nt contributo r to l ocal a ir quality pro bl e ms . EP A's Office of Ai r Quality Planning a nd S tandard s i s us in g informat i on gathered durin g that s tud y t o further r esearc h th e test method s utili zed dur in g this in novative pro ject. Thi s l ocal s tud y iden ti fied potentia l problems of venting in to th e a ir of em i ssio n s from petro-chem i cal barges and re su lt ed in the tank barge in dustry adopt in g a new 'Bes t Practices· gu id e for petro-c hem i cal tank barge operators. Th e Dcpar 1ment is currently develop in g and preparin g to implement a n ew and inventive air t oxics monitoring project across the County. This project wi ll document actual public expos ure to toxic air pol lutants ac r oss I 00 census tracts and may be used to identify sus pect so urces of that exposu r e. G. Co n t in ge n c y Prov is ions Sec ti on 175A of the Act r eq uire s a maintenanc e plan t o include contingency provisions to prompt l y co rrect any viola ti on o f the NAAQS whi c h occ ur s afte r red es i g na ti on of an area as an attainment ar

ea. I n addition, in orde r for an area to take ea r ly ac ti o n t o add r ess pote n tial violations of th e NAAQS befo r e t hey occ ur , it is r ecommended that co ntin ge n cy pr ovis i ons will be enacted wh en spec ified actio n l eve l s indi cate th e n eed to do so. She lby Co unty is adopt in g a three- ph ase ap pr oac h to add r ess in g ozo ne r e l

ated a ir qua lit y problem s in th e area. Eac h pha se w ill include increasingly aggress ive provis i o n s t o be implemented in the event of s pec ifi ed indi cators . Ph ase I is designed to r espo nd immediatel y t o potent i a l ozo n e air qua lity problems and t o ass i s t th e ar

ea in meeting the n ew 2008 8-hour ozo ne NAAQS. Whenever the Department forecasts ozone levels above th e 2008 NAAQS, an air quality ale r 1 will be issued to the l ocal media and othe r interested parties. On suc h a n alert, the following act io n s wi ll take place: • All open burning permits issued by the Department are suspended until the forecast s h ows improvement. During ozo ne season, holders o f suc h permi t s ar e required to contact the office on a daily basis to determine if burning w ill be a ll owed. • Air quality alerts. w hi ch began in 2009 , wi ll continue to be pos t ed on the Intelligent T r ansportat i on System boards locat ed on the expressway syste m in Shelby County. encouraging motorists to take act i o n s to reduce emissions. • The Memphis Area T r ans it Authority wi ll oiTer g r ea tl y r educed fares o n these days. T he Depa rt me n t has r ece ived Co n ges tion Mitigation and Air Quality funds, a ppro ved through the l ocal MPO lo s upp o rt th is prog ram which began in 2009.

1 7• The Memphi s area has a sign ificant amou n t of installed standby electr ical power generatio n capacity. Th e l argest of these i s a bank o f s tandby co mbu stio n turbin es o perated by TV A's A ll en Steam Pl ant. Begin nin g with the stea m pl ant, then ado pt ed as s tandard permitting practice b

y the Department in 2008, a ll s u ch equ ipm ent is proh i bited fr o m o peration stri ct l y for maintena n ce o r r ead in ess testing on ozo ne air qua li ty a lert days. Stationary so urce in spections now include a review of the ope rating days of this type o f equipment. Besides these prov i sions, the Department will continue to l ook into effect ive ozone alert day measures. and wi ll con tinu e an aggressive publ i c education and outreac h program which began in 2009. The Departm e nt maintains a mete orolog i st o n s taff to produce loca l air qua li ty fo r ecasts. These forecast s hav e been r ecognized by th e s tates of Te nn essee , Arkansas and Missi ss ippi , as the primary foreca s ts for th e r eg i o n, and th ey use them to cond u ct outreac h t o the cou n t i

es s urro undin g She lby County
. The Depa t tmen t wi l l continue t o work with S t ate and loca l agenc i es to e n co urage adopt i o n of mea s ures to reduce ozone format i o n at a ll ti m es, but especially du r ing a ir quality ale r ts. Phase 2 of the plan is designed to address potential future problems as a result o f unanticipated increases in local emissions. This part of the plan will be implemented whe n th e Dep artmentce rtified tri e nnial emissions inventory of VOC s o r NOx (ozo ne season tons per day) exceeds the 2006 base year attainment inventory by ten percent ( I0%) or more , with at least o ne exceeda nce of the 1997 ozone NAAQS be ing recorded at any nonanainment area monitor, based on cert ifi ed data , during th e most rece nt mo nito ring season. O n thi s occ urrence , the Depattm ent wi ll co ndu ct a n in vestigat i on in to th e possib l e ca uses t o determin e i f they are attributable to r eporti n g erro r s or a non-recurring anomaly in th e local emission protile. The investigation will l ast n o lo ng er than three months when the results wi ll be reported to th e EPA and the Tennessee Air Pollution Co ntrol Division. If the investigat ion reveals the data are valid, furthe r action is required. f-ollowing consultat i on with the Tenne ssee Air P ollu ti on Co ntrol Divi sion and the EPA, the Department will seek to ex p and voluntary program s and deve l op regu lations for s ubmi ss i o n to affected l oca l l eg islative bod i es , and / or th e Te nn essee State A ir Board , as appropriate, to address the causes o f concern . Proof of adop ti o n of s u c h r egulatio n s w ill be sub m itted to th e EPA w ithin nine month s afte r the end of the inv esti gati on . A ll regu la t oty programs wi ll be im p l e mented w ith in e ighteen to twenty-four month s. Suc h m easures could include, but are not limit ed t oo: • Programs or incentives t o decrease mo t or vehic l e u se; • Programs t o r equire addi ti o nal emissions reduction s on stationary sources; • Restrict io ns of certain roads or lanes fo r , or cons tru ction of such roads o r l ane s for use by, passenger buses or hi g h- occupancy vehicles • Employer-ba sed tran spo rtation incentiv e p l ans; and , • Additional pro g ram s fo r new construction of path s for use by pede strian o r n o n-m oto rized ve hi c l es whe n eco n o mi ca ll y feasible and in th e p ub lic inte r est. Phase 3 will be impl e m e nted when a monit o red vio lat i on of the 1997 ozone NAAQS occurs in the nonattainment area. accord ing to certified data , during the most recent mon it orin g season. Similar t o Phase 2. on that occasion. the Department will conduc t an investigation t o detetmine if the cause of the violation can be attr ibuted to errors or clearly identifiable exceptional eve nts outside of local co ntrol. Pri or to certificat i on of the data. the Department w ill solicit the involvement of all State
18age n c i

es ha vin g juri s dicti o n in the s urro undin g area. The in ve st ig a ti o n w ill la s t n o l o ng e r than three m

o nth s w h en th e r es ults w ill be r epo rted t o the EP A a nd th e Tennessee Air P o lluti o n Control Di vi s io n . I f th e investigation reveals the data are valid, further ac ti o n i s required. In ad diti o n t o th e pr ov i s i o n s de sc rib ed in Phase 2, acco rdin g to EPA g uidan ce, prov is i o ns r equired t o be implem ented in s uch circumstances are ce rtain mea s ure s initiall y r eq uir e d under th e ar ea's ·m ode r a

t e' classification. Those pr ov i s i o n s are: • Ex pan s i o n and implementation of a B as ic I &M p r og r a m in S h e lby County that meets th e r equ ir e m e nt s of Section 1 82(a)(2)(B) of the CAA. • A R easonab l y Ava i lab l e Co ntro l Tec hno l ogy ( R ACT) r egu l at i on for le g acy majo r so urces of NO x e mi ss i o ns in S h e lby Cou n ty. • Adopt i o n o f a l l in du s tr i a l a n d co mm e r cial VOC co n tr

o l

s as pr o vi ded in fin al EP A-app r oved Co ntro l Tec hn o l ogy G ui de lin es (CTGs) th roug h the date o f th e re co rded v i o l

atio n . Upo n co nclu s io n of th e inv es t i gation , the Departme n t wi ll prepare r eg ul at i o n s for s u bm iss i o n to a ff ec t e d l oca l l egis lat i ve bod i es and/o r t he Tennessee S tat e A ir Board , a s appropriate, to adopt the se co ntro l s. The e ff ec tive da t e o f the s e c o ntro l s will be within e ig ht ee n t o twenty-four month s fro m ce rtifi ca ti o n of th e mo nit o red v i o lation. 

### 10 . M e et A ll Req u i re m e n ts Ap pli cab le To The A rea U n de r S ectio n 110 A nd Pa rt D Of T he C lean A i r Act R

eg ul a ti o n s for M e mphi s a nd S he l by County we r e o ri g in a ll y approve d by th e EPA o n May 3 1, 1972 (37 FR I0842 t o I 0894) as an appendix to the Te nne ssee S I P. The S IP co ntain ed a section th at r ecogni ze d th e De pa 1 tment as the ag e ncy with authority for th e co ntr o l of air po ll ution in S h e lby Co unt y and included a control s trategy d e mo ns trati o n a l o n g with th e Department' s r eg u l a ti o ns . I n 1 97 8 , th e C it y o f Memphi s was de s i g nated n o nattaimn e nt f o r ca rb o n mo n ox ide and S h e lb y Co unty wa s d es ig nat ed nonattainme nt for ozo n e . No natt a inm e nt p l a ns, a l ong wit h n ew con tro l s tr a t

egy demon s tr a ti o ns , were deve l oped f o r Memp hi s and S h elby Co un ty. I n 1 980 and 1 98 1 (45 FR , p. 8004 , F ebruary 6 , 1 980 ; 45 FR , p. 53809, Aug u s t 1 3, 1 980 ; and 46 FR , p. 43970, September 2, 1981 (see At tach m ent 1 ) , the EP A app r oved t h ose plan s. T he De partment r ev i sed the r eg ulat i o ns in seve r a l adm in istrat i ve and s ub s tan ti ve areas. T h e Oepa 1 t m ent adopted certai n portions of th e S tate r eg ulations, rev i sed old r egulations and r eco difi ed t he ai r p o llu tion contr o l sec ti o n of M e mphi s and S he lby County Co de s accord in g ly
. On J ul y 7, 1 9 86 , th e State o f Tennessee s ubmitted t o th e E PA Memph i s and Shelby County re g ulati o ns (Boa rd Ord er 17-86) as a rev is i o n t o th e S I P. T h e E PA p laced the regulati o ns o n h o ld until th e federal l y approve d S I P f o r Tenne ssee and Memphi s co uld b e co mpiled. Th e EPA co mp ar ed th e f ed e r

a ll y app r ove d S tate r eg ulati o n s and th e federally a pprove d Memphis r egu lation s to d e t

e rmin e th e app r ov ab i lit y of th e r ev i se d M e mphi s r eg ul a ti o ns. Th e EPA's direc t final approva l /di sa pprov al of th e 1 986 s ubmitta l was formalized in the F ed era l R egiste r (54 FR , p. 25456
. Jun e 15 , 1 9 8 9 (see Att ac hm e nt I )) and beca m e e ffecti ve on Aug u s t 14, 1 989
. E P A co nclud ed th a t th e co ntro l s trategy dem o n s tra ti o n was adequate in protecting th e Na ti o nal Ambient A ir Quality Sta ndard s . Consequently, th e EPA app r oved th e l oca l r egu lat i o ns as a tran s fer of e nf o r

ce m e nt a uth o ri ty rather than as a s ub s tantiv e r ev is i o n t o th e S IP
. Th e EPA u se d th e follow i n

g co nditi o ns a nd co nclu s ion s t o arrive at the above proce dure:
1 9• The l oca l regulations must be equal to the corresponding federally approved State regulati o n . • T h e l oca l regulations cannot be treated as se parabl e from the S IP. w hi c h th e State sub mits and implements. but mu s t be considered part o f th e S I P. • As Te nn essee Stat e la w requires that a l oca l re g ul a ti o n be equi va l e nt t o o r not le ss stri ngent than th e co rrespo ndin g s tate regulation , the S tat e of Tennessee mu s t ce rt ify to th e EPA that each r eg ul a ti o n has been r e v ie wed by the State and found t o m ee t this requirement. • T e nn essee mu st r e tain ove rall authority and r es po ns ibilit y for d eve lopin g and imple m enting, inc lud in g e nf o rci n g, the SIP. Admi ni s tr ative materia l s and regulatory do c u me n t s were s ubm itted t o th e Te nn essee Air Po ll ution Co nt ro l Boa rd o n Septe m ber 23, 2003 w it h a r eq u es t that a s ubm it1al be made to EP A i n order to revi se th e S I P f o r Memp hi s and S h e lby County , taking i nto accou n t changes that have occ u rred in the Memphi s and She lby C o u n ty Air Program s ince 1 989. I nf

o rmat io n regardi n g thi s s u bmitta l i s f o und in At1ac h ment VII. Th e Tennessee Co d e Annotated, Section 68-201- 1 15 (see At1achment VI II , S uppleme ntal Support D oc ument s), r equires geopo l itical areas within Tennessee th a t desire t o ha ve their own a i r polluti o n contro l programs t o ad o pt re g ulation s as stringent as S tate of Te nn essee re g ul a ti o ns . After re v ie w by a nd u po n th e recommendation of the Tennessee Air P o lluti on Co ntr o l Di v isio n , the Tenne ssee Air P o lluti on Con trol B oard iss u es a certificate gra ntin g thi s a uth o rit y but s ubject t o lim itati o ns as es tab li s h ed by th e B oa rd. T hi s authority continues t o be g rant ed to S h e lby Co unt y and all included municipalities every two ye ars, th e most r ece nt certificate hav in g been issued for the 2008-20 I 0 pe ri od. Cop i es of these recent certificates are also f ou nd in Attachme nt VII I. R

eg ul a t ory c hanges mad e by the Stat e of T e nn essee will be a d op t ed by r efe r e n ce by the Department wh e n a nd wh e re appl i cable, prior t o the g rantin g of authority by th e Te nn essee Air Po ll uti o n Co ntr o l Board to th e D e partment , as provided by the T e nn essee Code Annotated and the Certificate o f Exe mpti o n p r ocess. Wh e r e s uch authority i s n ot tr ansfe rr e d it r e main s with the State of T e nne ssee. 

### 11. P u b li c Co mm e n t Pub l ic co mm e nt was so u ght concern ing the maintenance p l an r evis i o n du rin g a comment period f r o m J anuary 31, 2 014 to March 14 , 20 14
. Pub l ic h earin gs we r e h e ld o n March 4 an d Ma rch 6, 20 14
. Co mm e nt s were receiv e d concerning th e r ev i s io n to th e 20 I 0 ozo ne maint e nance plan. Comme nt s a nd r es p onse t o comments are co ntain ed in Atta c hm en t I X. A copy of the new s paper n

o ti ce i s a l so includ ed.

2 0