0QSTATEOFNEVADADepartmentofConservation&NaturalResourcesUDiOZdoffRE..OrecwDIVISIONOFENVIRONMENTALPROTECTIONCoMeenCripps.PbD..Adn*istmirJuly5,2012JaredBlumenfeldRegionalAdministratorU.S.EPARegionIX,ORA-175HawthorneStreetSanFranciscoCA94105RE:RevisionstoNevada’sCleanAirAct§110(a)(2)StateImplementationPlanSubm’ttalsParallelProcessingRequestDearMr.fel:OnbehalfofGovernorSandoval,ashisappointeddesignee,theNevadaDivisionofEnvironmentalProtection(NDEP)issubmittingarevisiontothefollowingCleanAirAct(CAA)§1l0(a)(2)stateplansubmittals,whicharependingactionbytheU.S.EnvironmentalProtectionAgency(USEPA):•February1,2008submittal,CAA110(a)(2)(A)-(M)RequirementsintheCurrentNevadaStateImplementationPlan(SIP)for8-HourOzone,(1997NAAQS);•February26,2008submittal,CM110(a)(2)(A)-(M)RequirementsintheCurrentNevadaStateimplementationPlan(SIP)forPM2,5(1997NAAQS);•September15,2009submittal,CM110(a)(2)(A)-(M)RequirementsintheCurrentNevadaStateImplementationPlan(SIP)forPM2.,,(2006NAAQS);•December4,2009submittal,CurrentCM110(a)(2)RequirementsintheWashoeCounty’sPortionoftheNevadaPM2,5SIP,(2006NAAQS);•October15,2011submittal,(1)TheNDEPPortionoftheNevadaPlantoMeettheInfrastructureSIPRequirementsoftheCleanAirActforthe2008LeadNAAQSand(2)TheWashoeCountyPortionoftheNevadaStateImplementationPlantoMeettheLeadInfrastructureSIPRequirementsofCleanAirActSection110(a)(2)TheNDEPrequeststhattheUSEPAproposeapprovalofthisSIPrevisionbyparallelprocessinginaccordancewith40CFR51,AppendixV.2.3.Tothegreatestextentpossible,theNDEPalsorequeststhattheUSEPAapplyanyandallprovisionsthatmayprovidesupportfromthissubmittaltofutureUSEPAactionsonCAAIl0(a)(2)requirementsforallNAAQSpollutants,andthatgenerallyasprovisionsinNevada’sapplicableSIParereplacedorremovedthroughsubsequentUSEPAapprovalsofSIPrevisionssubmittedbytheNDEP,USEPAalsoreplaceorremovethoseprovisionsinthissubmittalandallofNevada’sCAA110(a)(2)SIPs.0

0 Two

sets

of revisions

are enclosed;

one relating

to the Washoe

County

portion

of Nevada’s 11O(a)(2)

SIPs

and

one relating

to the NDEP’s

portion.

Washoe

County

is submitting

five existing

Washoe

County

District

Board

of Health regulations

for adoption

into

the Nevada applicable

SIP

(see attached

letter

from Kevin

Dick

to Colleen

Cripps).

The comment

period

for this revision

opened

on May

25, 2012

and

the public hearing

was

held

on June

28, 2012.

The NDEP

is submitting

a package

of revisions,

including

updates

to existing

SIP provisions,

statutes for adoption

into

the applicable

SIP

and clarifications.

The public comment

period

for

the NDEP’s

revision

package

will open

on July

13, 2012

with opportunity

for

a public hearing

on August

15, 2012,

if requested.

The NDEP

plans

to submit

the final adopted

CAA

1 10(a)(2) revisions

with evidence

of public

notice

by

the

end

of August

2012. If you have

any questions,

please

feel

free

to contact

me

at (775) 687-9301,

Mike

Elges, Deputy Administrator

at (775) 687-9416

or Rob Bainford,

Chief

of the Bureau

of Air Quality Planning

at (775) 687-9330.

Sincerely,Enclosures

Colleen

Cripps,

Ph.D. Administratorcc:w/outenclosuresDaleErquiaga,SeniorAdvisor,OfficeoftheGovernorAmyZimpfer,AssociateDirector,EPARegionIX,AirDivisionRoryMays,PlanningOffice,EPARegionIX,AirDivisionJeffersonWehling,AirAttorneys(ORC-2),EPARegionIXcc:

w/oenclosuresLeoDrozdoftDirector,DCNRMichaelElges,DeputyAdministrator,NDEPRobBamford,Chief,BureauofAirQualityPlanning,NDEPCertifiedMailNo.9171969009350011902185

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