N.C. Department of Environment and Natural Resources
 Welcome to the North Carolina Division of Air Quality
Air Toxics Program >> Asphalt Plants

Hot Mix Asphalt (hereafter referred to as asphalt) is a proportioned mixture of dried aggregate and liquid asphaltic concrete cement used as roadway paving material. Aggregate is a graded mixture of crushed stone, sand and recycled asphalt paving (RAP). Liquid asphaltic concrete cement is a mixture of hundreds of organic compounds which remain after crude oil refining.

There are 158 asphalt plants that have a DAQ Air Quality Permit as of March 1, 2012.

  • 107 asphalt plants requiring evaluation under the Air Toxics program are denoted on the location map by    

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  • 51 HMA plants not requiring evaluation under the Air Toxics program are denoted on the location map by   
  • Frequently asked Questions about Asphalt Plants

    For information on scheduled public hearings, permit decisions and other current events related to asphalt plants, please check the DAQ webpage News & Public Outreach Section.

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    Last Modified: Tue April 17 14:20:56 2012
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