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EPA Headquarters Contacts


Questions concerning information in the Green Book and related EPA policy should be directed to the appropriate Regional Office. EPA Headquarters should be contacted only when the Regional Office is unable to answer a question. See: EPA Regional Office Contacts.

Ozone

Robert Lingard (lingard.robert@epa.gov)   919-541-5272

Particulate Matter

Stephen Senter (senter.stephen@epa.gov)       919-541-3042

PM-2.5 Rich Damberg (damberg.rich@epa.gov)   919-541-5592

Carbon Monoxide

Mia South (south.mia@epa.gov)   919-541-5550

Sulfur Dioxide

Stephen Senter (senter.stephen@epa.gov)       919-541-3042

Lead

Leigh Herrington (herrington.leigh@epa.gov)   919-541-0882


Address and Fax

State & Local Programs Group
Air Quality Policy Division
Office of Air Quality Planning and Standards
Environmental Protection Agency, Mail Code C539-01
Research Triangle Park, NC 27711
Fax: 919-541-0824

Green Book

  • 8-Hour Ozone (2015)
  • 8-Hour Ozone (2008)
  • 8-Hour Ozone (1997)
  • 1-Hour Ozone (1979)
  • PM-2.5 (2012)
  • PM-2.5 (2006)
  • PM-2.5 (1997)
  • PM-10 (1987)
  • Sulfur Dioxide (2010)
  • Sulfur Dioxide (1971)
  • Lead (2008)
  • Lead (1978)
  • Carbon Monoxide (1971)
  • Nitrogen Dioxide (1971)
  • Multi-Pollutant
  • Downloads
  • FAQ
  • Related Links
  • Recent Updates
Contact Us about Green Book
Contact Us to ask a question, provide feedback, or report a problem.
Last updated on May 5, 2025
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