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t or Promoting 1111d protrcting tlu **b~tt!t!J ufr!J~** pu/Jiic mrd rlu mmronmmr December 14,2015 Ms. Heather McTeer Toney Regional Administrator EPA Region
4 Atlanta Federal Center 61 Forsyth Street
S .W
. Atlanta, Georgia 30303-8909 Re: South Carolina Air Quality Implementation Plan, 2012 Particulate Matter (PM) NAAQS Infrastructure Certification- Final SIP Submittal Dear Ms

.Toney: On December 14, 2012, the EPA finalized

arevised National Ambient Air Quality Standards (NAAQS) for Particulate Matter (78 FR 3086, published January 15, 20 13)

.With this rule

,the EPA strengthened the annual primary fine particulate matter (PM 2 s) standard by lowering the level from 15

.0 to 12

.0 micrograms percubic meter (J.Lg/m\ Sections IIO(a)(l) and (2) of the Clean Air Act (CAA) require all states to submit plans to provide for the implementation, maintenance, and enforcement ofthe NAAQS. Sections 110(a)(1) and (2) further require states to address basic State Implementation Plan (SIP) requirements

,including but not limited to the following elements: emissions limits and other control measures

,ambient air quality monitoring

, a programfor the enforcement of control measures, adequate resourcesto implement the SIP, and public notification and government consultation. Section IIO(a)(l) requires states to submit SIPs within three (3) yearsafter promulgation
of aneworrevised NAAQS

,orDecember 14, 2015

,in this case

. On October 23,2015, the Department of Health and Environmental Control (Department) published

a public notice in the South Carolina State Register notifying the public of the proposed 2012 PM NAAQS infrastructure SIP certification, and providing the public the opportunity
to request

a public hearing onthe proposed 2012 PM NAAQS infrastructure SIP certification (Attachment
C)
.The Department received nocomments regarding this notice

. Pursuant to 40 CFR 51.102, no request for a public hearing wasreceived by the close of the 30- day public comment period (November 23, 2015)

,and asa result, the hearing wascancelled. As outlined in Attachment

A to this letter, the Department

is certifying
to the EPA that it has addressed the infrastructure elements required by Section 110(a)(l) and (2) ofthe CAA pertaining
to the attainment of the 2012 PM NAAQS in South Carolina. We are providing the SIP Submittal Completeness Criteria Checklist asAttachment
B; the October 23, 2015, South Carolina State Register Notice of Intent to Revise the SIP/Notice of Public Hearing as S 0 U T II C A R 0 L 1 N A D
E P A R T M E N T 0 F II E A L T II A N D
E N V
I R 0 N M E N

' 1 A L C 0 N T R 0 L 2600 Bull Str ret • Colnmbia,SC29201

•Phon c: (803) 898-34

3 2 •www.scdh cc. go \'Ms
.Toney December 14, 20I 5 Page2 Attachment
C, and the South Carolina Pollution Control Act (SC Code Section 48-1

-1 0 et seq.) asAttachment
D. The Department appreciates the assistance provided by yourstaff regarding the formulation of this plan

.Should youor yourstaff have any questions orcomments concerning South Carolina's 2012 PM NAAQS infrastructure SIP certification, please contactRhonda Banks Thompson

, Interim Chief of the Bureau of Air Quality (BAQ), at (803) 898-4391 or thompsrb(a),dhec.sc.gov

. Sincerely, **M~ ~Q~**  Interim Director of Environmental Affairs South Carolina Department of Health and Environmental Control ec:R.Scott Davis, Chief, Air Planning and Implementation Branch, EPA Region
4 Lynorae Benjamin, Chief, Regulatory Development Section

,EPA Region
4 Brad Akers

,Regulatory Development Section

,EPA Region
4 Rhonda
B.Thompson, Interim Chief, Bureau of Air Quality

,SCDHEC Robert J. Brown, Director, Division of Air Assessment and Regulation, BAQ, SCDHEC Maeve Mason, Manager, Regulation and SIP Management Section, BAQ, SCDHEC Enclosures: Attachment A- South Carolina Certification Clean Air Act Section 11 O(a)(l) and (2), PM Requirements Attachment

B-SIP Submittal Completeness Criteria Checklist Attachment

C-Solllh Carolina State Register Notice of Intent toRevise the SIP/Notice of Public Hearing Attachment

D-South Carolina Pollution Control Act (SC Code Section 48-1-10 et seq

.)