Central Indiana Air Quality Planning and State Implementation Plan Process

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Central Indiana Air Quality Planning and State
Implementation Plan Process
Central Indiana Clean Cities AllianceAnnual
Meeting Shawn Seals November 5, 2004
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Central IndianaOzone and PM 2.5 Overview

• Ozone
• Designated Nonattainment April 15, 2004
• Designation Effective June 15, 2004
• State Implementation Plan Due June 15, 2007
• Area Must Attain Standard by June 15, 2009
• PM 2.5
• Designations Proposed on June 29, 2004 Final
  Designations Expected in November 2004
• Designation Effective Early-Mid 2005
• State Implementation Plan Due Early-Mid 2008
• Area Must Attain Standard by Early-Mid 2010

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IDEMs Timeline For SIP Development
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What is a State Implementation Plan (SIP)?

• Purpose of the SIP
• The purpose of the ozone SIP due on June 15,
  2007 is to demonstrate to the US EPA how the area
  will attain the standard by June 15, 2009.
• What will be in the SIP?
• Emissions data comparing 2009 projected emissions
  with 2002 (base year) emissions.
• Monitoring data and trends to date.
• Outline of control strategy, including specific
  measures and emission reduction credits being
  used to achieve attainment.
• Photochemical modeling that demonstrates area
  will achieve standard by 2009 with outlined
  control strategy.

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Who is Responsible for The SIP?

• The State of Indiana is responsible for
  preparing and submitting the SIP to the U.S. EPA.
  The state is required to seek formal public
  comment concerning the SIP prior to submittal
  (i.e., public hearing). However, IDEM desires
  public input throughout the SIP development
  process, especially concerning the control
  strategy to be included in the final SIP.

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What is CIAQAGs Role?

• On September 12, 2003 IDEM conducted the first
  Central Indiana Air Quality Advisory Group
  (CIAQAG) meeting, with this group to serve as the
  advisory group for SIP development.
• The mission of the CIAQAG is to recommend a
  preferred control strategy for ozone and PM 2.5
  for Central Indiana.

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What is a Control Measure?

• A control measure is an action taken to achieve
  emission reductions of a targeted pollutant.
  These actions are outlined in the SIP as part of
  the control strategy to achieve attainment of the
  standard.
• Control measures must be permanent and
  enforceable, they are commonly supported by a
  rule or ordinance.
• Some control measures, such as transportation
  controls, are not supported by rules. Therefore,
  if included in a SIP, these measures must still
  be permanent and enforceable. If they are not
  implemented timely or do not remain in place,
  there are sanctions (SIP failure, loss of
  transportation funds, freeze of transportation
  plan).

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Who Implements Control Measures?

• Most commonly, control measures are implemented
  by the state air quality agency via rules.
• In some cases, local rules or ordinances can
  support control measures.
• Transportation control measures are implemented
  by project sponsors (DOT, City, County, etc.)
• Once in the SIP, permanent and enforceable
• Receive funding priority, regardless of available
  funds
• Must be implemented timely (consistent with SIP)

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What Information Is Used by the CIAQAG?

• Emissions Inventory Data
• Control options
• Cost
• Reduction Potential
• Ease of implementation
• Photochemical modeling results
• Sensitivity runs (what pollutants, and how much)
• Control strategy runs (what is achieved once
  implemented)

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Example Matrix Summary of Control Option
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Proposed Process for CIAQAG to Devise
Recommendation

• Review base emissions inventory information
• Identify and categorize all available control
  options
• Prioritize control categories (which categories
  do we want to dedicate meeting time for first)
• In depth analysis of individual controls/control
  categories
• Presentations/demonstrations
• Group discussion
• Matrix summary
• Control measure prioritization
• Control Strategy Selection

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Additional Information for CIAQAG to Consider

• At this time, it is assuming that local controls
  will be necessary for the area to reach
  attainment by 2009
• Control strategy may be combination of voluntary
  and regulatory control measures as well as
  non-regulatory reduction credits (diesel
  retrofits, park and ride programs, area-wide ride
  share programs, major alternative fuel programs,
  etc.)
• Regulatory control measures will ideally be in
  place in 2006 to provide a full three seasons of
  ozone data
• The Clean Air Interstate Rule (CAIR) is expected
  to bring Central Indiana into attainment of the
  Ozone standard when Phase I is fully implemented
  in 2010 and the PM 2.5 standard when Phase II is
  fully implemented in 2015

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How Do I Find Out More?

Ozone http//www.in.gov/idem/air/8hourstandard/i
ndex.html Fine Particles http//www.in.gov/idem/a
ir/pm2.5standard/index.html NSR
http//www.in.gov/idem/air/permits/nsr/index.html