This list represents vendors of calibration gas for emission monitoring of combustion sources and does not claim to be exhaustive.

• Airgas, Inc. (Pacific Airgas)
  • Bert Adams
  • 3591 N. Columbia Blvd
  • Portland, OR 97217
  • 360-944-4000 503-283-2295
  
  
• BOC
  • Murray Hill, NC
  • 800-262-4273
  
  
• Byrne Specialty Gases
  • Jeremy Davis
  • 2621 East Fifth Street
  • Vancouver, WA 98661
  • 360-693-2499
  
  
• Certified Air Safety
  • Rob Sant
  • 5512 NE 229th Court
  • Vancouver, WA 98682
  • 877-406-2109 503-226-0582
  
  
• Clean Air Engineering, Rentals
  • 800-553-5511
  • Web: rentals.cleanair.com
  
  
• Matheson Trigas
  • 6775 Central Ave.
  • Newark, CA 94560
  • 510-793-2559
  
  
• Scott Specialty Gases
  • Lisa A. Whitney or Kathy Schulze
  • 6141 Easton Road
  • Plumsteadville, PA 18949
  • 707-332-4544 800-814-4642, ext. 14
  • Web: www.scottgas.com
  
  
• Spectra Gases, Inc.
  • Becky
  • Branchburg, NJ 08876
  • 800-932-0624
  • Web: www.spectragases.com/environmental.htm
  
  

Certification: NO - 2 year, CO - 3 year