The U.S. Environmental Protection Agency (EPA) and the Iowa Department of Natural Resources (DNR) are required by law to reduce exposure to hazardous air pollutants (HAPs). To that end, the following National Emission Standards for Hazardous Air Pollutants (NESHAP) have been implemented. The specifics of each NESHAP are described in the information provided in each section listed below.

• NESHAP Presentation (PPT File | PDF File)

Registration Forms
• Compression Ignition (CI) Engines < 400 HP (PDF File | DOC File)
• Spark Ignition (SI) Engines < 400 HP (PDF File | DOC File)
• Engine Registration - Frequently Asked Questions (PDF File | DOC File)
• Engines - More Frequently Asked Questions (PDF File | DOC File) NEW!

• Surface Coating NESHAP Decision Tree (PPT File | PDF File)
• 6H NESHAP Fact Sheet (DOC File | PDF File)
• Guide to the NESHAP (PDF File | DOC File)
• Presentation (PPT File | PDF Files: Full Presentation or Handouts)
  
  
• Notification Letter for Permit by Rule for Spray Booths Revised 9/2009
  (Facility-wide spray material usage < 3 gal/day)
  (DOC File | PDF File)
• NESHAP Notification Form - Initial Notification, Notification of Compliance Status, and Petition for Exemption
  (DOC File | PDF File)
• 6H NESHAP Paint Stripping Operations (DOC File | PDF File)

• 6X Fact Sheets - All Processes (DOC File | PDF File)
• General Requirements (DOC File)
• Dry Abrasive Blasting (DOC File)
• Dry Grinding and Polishing (DOC File)
• Machining (DOC File)
• Spray Painting (DOC File)
• Welding (DOC File)
• Presentation (PPT File | PDF File)

• 6W Fact Sheets - All Processes (DOC File | PDF File)
• General Requirements (DOC File)
• Process Tanks (DOC File)
• Thermal Spraying (DOC File)
• Dry Mechanical Polishing (DOC File)

• Gasoline Bulk Plants - Example Initial Notification Form (DOC File)

Small businesses can obtain help with these NESHAPS through the Iowa Air Emissions Assistance Program. More information regarding this program can be found here.

• EPA’s Area Source Page (look for the subpart or the rule name in the table)
• Nebraska DEQ site (Click on “Focus on Air on the left-side menu, scroll down until you see the link for “Air Toxics Program,” then click on link for “Jump to Air Toxics Notebook.” You can then click on the links to search by federal subpart or by industry category. There is not a direct link to this page. Note that any information regarding Nebraska facilities or Nebraska’s state rules are not applicable to Iowa DNR or facilities in Iowa).