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<br />projected nIture growth in ozone precursor emissions, particularly from stationary, non- <br />road, and on-road mobile sources. <br />o Local area must carefully document modeling approach, and work will be supported <br />and reviewed by the State and concurrently reviewed by the EP A. <br />o Quantifiable emission reduction measures will be integrated into the future case to <br />produce one or more control cases. These control cases will be used to indicate the <br />relative effectiveness of different measures and aid in selecting appropriate measures. <br />o Prior to plan implementation the control strategies should be determined based on <br />model results from a control case episode that shows achievement of the 8-hour ozone <br />standard on or before December 31,2007 through implementation of the control <br />strategies. <br />o Communities will continue to develop other episodes as necessary to fully represent the <br />variety of situations that typically contribute to ozone production in the area and to <br />support the plan with the most current information and tools. Other episodes may also <br />indicate necessary revisions to ensure that sufficient emission reduction measures are <br />selected and implemented to continue to achieve target ozone concentration levels. <br /> <br />D. Control Strategies <br />o After all adopted Federal and State or Tribal controls that have been or will be <br />implemented by the attainment date of December 31, 2007 are accounted for in the <br />modeling, the local area will adopt additional local controls, as necessary, to <br />demonstrate attainment of the 8-hour standard by December 31,2007. As an initial <br />matter, by June 16,2003, the local area will identifY and describe the local control <br />measures that will be considered during the local planning process. The June 16,2003 <br />deadline for describing the control measures under consideration must be met to <br />maintain eligibility in the program. While failure to list a measure at this stage would not <br />preclude its adoption later, it is important to develop a reasonably complete initial list of <br />measures. This will provide the public with clear information on the measures under <br />consideration, will help ensure that interested parties are fully aware of the level of effort <br />and local commitment that is necessary, and will demonstrate that the local area is <br />making progress toward meeting the critical March 31,2004 deadline for adoption of <br />local measures. The resulting local plan must be completed and submitted to the State <br />or Tribal leader by March 31, 2004 for inclusion in the State implementation plan. The <br />local plan shall include measures that are specific, quantified, and permanent, and that if <br />approved by EPA, will be Federally enforceable SIP revisions. The March 31,2004 <br />submission also will include specific implementation dates for the adopted local controls, <br />as well as detailed documentation and reporting processes. <br />o Controls will be implemented as soon as practicable, but not later than December 31, <br />2005. <br />o Controls will be designed and implemented by the community with full stakeholder <br />participation. <br />o All control measures will be incorporated by the state into the State Implementation <br />Plan and submitted to the EPA for review and approval. In the event that areas wish to <br />add or substitute measures after SIP submittal, plan modifications will be treated as SIP <br />revisions and facilitated by the state. <br />