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May 31, 2000                                            

Janet McCabe, Assistant Commissioner
Office of Air Management  
Indiana Department of Environmental Management
100 North Senate Avenue
Indianapolis, Indiana 46206

Dear Ms. McCabe:

This letter provides a follow up to our May 8, 2000, letter to you regarding the Adequacy of the Phase II ozone attainment demonstration Motor Vehicle Emission Budgets (MVEB) for the Lake and Porter Counties nonattainment area.

As stated in our letter, we have determined that the Lake and Porter Counties Indiana ozone attainment demonstration contains adequate MVEB for volatile organic compounds and oxides of nitrogen for the 2007 attainment year.  This adequacy finding does not relate to the merits of the SIP submittal nor does it indicate whether the submittal meets the United States Environmental Protection Agency’s (USEPA) requirements for approval of an attainment demonstration.

The USEPA received comments on the December 16, 1999, proposed conditional approval of the Phase II ozone demonstration related to the adequacy of the MVEBs.  The response to comments are enclosed and will be posted on our adequacy web page located at GOTOBUTTON BM_1_

We will soon publish a notice in the Federal Register announcing this adequacy finding.  This finding will not be effective until 15 days after that notice is published.  If you have questions, please feel free to call me or Ryan Bahr, of my staff, at (312) 353-4366.

Bharat Mathur, Director
Air and Radiation Division


cc: James E. Ranfranz, Executive Director
Northwestern Indiana Regional Planning Commission

For further information, contact:
This Information Last Modified On: 09/18/2008 04:03 PM