Federal Register Proposed Rules, Rules and Notices for July 2,2013

July 2,2013

PROPOSED RULES

Approval and Promulgation of Air Quality Implementation Plans; West
Virginia; Section 110(a)(2) Infrastructure Requirements for the 2008 Ozone
National Ambient Air Quality Standards [FR DOC# 2013-15893] SUMMARY: EPA is
approving State Implementation Plan (SIP) submittals from the State of West
Virginia pursuant to the Clean Air Act (CAA). Whenever new or revised
national ambient air quality standards (NAAQS) are promulgated, the CAA
requires states to submit a plan for the implementation, maintenance, and
enforcement of such NAAQS. The plan is required to address basic program
elements, including, but not limited to regulatory structure, monitoring,
modeling, legal authority, and adequate resources necessary to assure
attainment and maintenance of the standards. These elements are referred to
as infrastructure requirements. West Virginia has made submittals addressing
the infrastructure requirements for the 2008 8-hour ozone NAAQS. This action
approves portions of those submittals.

Approval and Promulgation of Air Quality Implementation Plans; Virginia;
Section 110(a)(2) Infrastructure Requirements for the 2008 Ozone National
Ambient Air Quality Standards [FR DOC# 2013-15890] SUMMARY: EPA is proposing
to approve a State Implementation Plan (SIP) revision submitted by the
Commonwealth of Virginia addressing the basic program elements specified in
110(a)(2) of the Clean Air Act (CAA) necessary to implement, maintain, and
enforce the 2008 ozone national ambient air quality standards (NAAQS). This
submission is commonly referred to as an infrastructure SIP. This action
does not include any proposed action on element (I) which pertains to the
nonattainment requirements of part D, Title I of the CAA, because this
element is not required to be submitted by the 3-year submission deadline of
CAA section 110(a)(1), and will be addressed in a separate action. This
action is being taken under the CAA.

Approval, and Promulgation of Air Quality Implementation Plans; Michigan;
Redesignation of the Detroit-Ann Arbor Area to Attainment of the 1997 Annual
Standard and the 2006 24-Hour Standard for Fine Particulate Matter [FR DOC#
2013-15887] SUMMARY: On July 5, 2011, the Michigan Department of
Environmental Quality (MDEQ) submitted a request for EPA to redesignate the
Detroit- Ann Arbor Michigan nonattainment area (Livingston, Macomb, Monroe,
Oakland, St. Clair, Washtenaw, and Wayne Counties), referred to as the
Detroit-Ann Arbor area, to attainment of the Clean Air Act (CAA or Act) 1997
annual and the 2006 24-hour national ambient air quality standards (NAAQS or
standard) for fine particulate matter (PM<INF>2.5</INF>). EPA is proposing
to redesignate the area. EPA is also proposing several additional related
actions. EPA is proposing to determine that the entire Detroit-Ann Arbor
area continues to attain both the annual and 24-hour PM<INF>2.5</INF>
standards. EPA is proposing to approve, as revisions to the Michigan state
implementation plan (SIP), the state’s plan for maintaining the 1997 annual
and the 2006 24-hour PM<INF>2.5</INF> NAAQS through 2022 in the area. EPA
previously approved the base year emissions inventory for the Detroit-Ann
Arbor area, which met the comprehensive emissions inventory requirement of
the Act. Michigan’s maintenance plan submission includes a budget for the
mobile source contribution of PM<INF>2.5</INF> and nitrogen oxides
(NO<INF>X</INF>) to the Detroit-Ann Arbor Michigan PM<INF>2.5</INF> area for
transportation conformity purposes, which EPA is proposing to approve. EPA
is proposing to take this action in accordance with the CAA and EPA’s
implementation regulations regarding the 1997 and the 2006 PM<INF>2.5</INF>
NAAQS.

 

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