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Region 7 Air Program

Serving Iowa, Kansas, Missouri, Nebraska and 9 Tribal Nations


Title V Policy and Guidance Database

EPA has issued a number of policy and guidance documents interpreting title V and its regulations. To help quickly locate subject matter of interest, you can search over 230 EPA-issued policy and guidance documents online or by downloading the compilation. A sortable index is also available by title, author, and date.

The download version provides powerful search capabilities not available online. You must have the Adobe Acrobat Reader, with the search plug-in, installed on your computer. To install and use the database, follow the instructions below.

Instructions for downloading the database

Last updated on January 30, 2012

Installing from a .zip file:

  1. Create a directory or folder on your personal computer or network drive in the location you want to maintain the database.

  2. Download natguide.zip (33.4 Mb).

  3. Unzip the zip file and restore/create the directory structure stored in the zip file into the directory you created in Step 1.

  4. Delete natguide.zip from your computer.

  5. See the instructions for using the database.

Installing from a self-extracting executable:

  1. Create a directory or folder on your personal computer or network drive in the location you want to maintain the database.

  2. Download natguide.exe (33.5 Mb) to the directory created in Step 1. For example, if you download the file to the C: drive, the path used to install the database will be C:\t5memos.

  3. Execute natguide.exe by double clicking on its file name in Windows Explorer or File Manager.

  4. Click "Unzip" to extract the files and then close the program.

  5. Delete natguide.exe from your computer.

  6. See the instructions for using the database.

Instructions for using the database:

To search the database, open INTRO.PDF with Adobe Acrobat and follow the instructions.

Other Title V Policy & Guidance Resources

You may also find the Title V Petitions and the NSR Policy and Guidance databases useful.

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