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Air Quality Monitoring Newsletter
**"The Monitor"** is a newsletter for the air quality station operators and coordinators in the national parks. It contains network news, operator profiles, instrument tips, background information on instrumentation and air quality, and other items designed to broaden the knowledge and skill level of the reader. Hardcopy editions can be obtained by contacting John D. Ray at the National Park Service Air Resources Division: 303.969.2820.
- 2010 Spring  (pdf, 270kb)
- 2009 Fall  (pdf,588kb)
- 2009 Spring  (400kb)
- 2008 Fall  (pdf, 481kb)
- 2008 Spring  (pdf, 475kb)
- 2007 Fall  (pdf, 402kb)
- 2007 Spring  (pdf, 475kb)
- 2006 Fall  (pdf, 402kb)
- 2006 Spring  (pdf, 353kb)
- 2005 Fall  (pdf, 354kb)
- 2005 Spring  (pdf, 324kb)
- 2004 Fall  (pdf, 1.4mb)
- 2004 Spring  (pdf, 917kb)
- 2003 Fall  (pdf, 426kb)
- 2003 Spring  (pdf, 1.0mb)
- 2002 Fall  (pdf, 832kb)
- 2002 Spring  (pdf, 1.2mb)
- 2001 Fall  (pdf, 1.2mb)
- 2001 Spring  (pdf, 160kb)
- 2000 Fall  (pdf, 157kb)
- 2000 Spring  (pdf, 96kb)
- 1999 Fall  (pdf, 145kb)
- 1999 Spring  (pdf, 338kb)
- 1998 Fall  (pdf, 398kb)
- 1998 Spring  (pdf, 245kb)
- 1997 Fall  (pdf, 252kb)
- 1997 Summer  (pdf, 895kb)
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