This list represents vendors of calibration gas for emission monitoring of combustion sources and does not claim to be exhaustive.
Airgas, Inc.
3632 NE Columbia Blvd
Portland, OR 97211
503-978-3100
Certified Air Safety div of National Safety, Inc.
600 SE Maritime Ave, Ste 210
Vancouver, WA 98661
877-406-2109 or 360-253-7378
Fax: 360-944-3632
Clean Air Engineering, Rentals
500 W Wood Street
Palatine, IL 60067
800-553-8811 or 281-991-3300
Fax: 847-934-8260
Matheson Tri Gas
6775 Central Ave.
Newark, CA 94560
510-793-2559 Fax: 510-790-6241
Scott Specialty Gases
6141 Easton Road
Plumsteadville, PA 18949
Lisa A. Whitney or Kathy Schulze
707-332-4544 or 800-814-4642, ext. 14
Spectra Gases, Inc.
Branchburg, NJ 08876
Becky
800-932-0624