This page contains documents related to EPA's Ambient Air Protocol Gas Verification Program. The Ambient Air Protocol Gas Verification Program is a service provided by the EPA to help State and local monitoring agencies judge the quality of the calibration gasses used in their networks.
You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.- 2021 Ambient Air Protocol Gas Verification Program Assay Dates and Open House (PDF)(1 pg, 124 K, December 2020)
- Quality Assurance Project Plan for the Ambient Air Protocol Gas Verification Program (PDF)(294 pp, 884 K, March 2010)
- Ambient Air Protocol Gas Verification Program Chain of Custody Form (PDF)(1 pg, 22 K, May 2010)
- Guidance on Shipping Ambient Air Protocol Gas Cylinders by Ground with UPS (PDF)(2 pp, 80 K, March 2011)
- Ambient Air Protocol Gas Verification Program Annual Report for Calendar Year 2018 (PDF)(31 pp, 1 MB, January 2020)
- Ambient Air Protocol Gas Verification Program Annual Report for Calendar Year 2015 (PDF)(42 pp, 3 MB, April 2016)
- Ambient Air Protocol Gas Verification Program Annual Report for Calendar Year 2014 (PDF)(43 pp, 3 MB, May 2015)
- Ambient Air Protocol Gas Verification Program Annual Report for Calendar Year 2013 (PDF)(36 pp, 2 MB, May 2014)
- Ambient Air Protocol Gas Verification Program Annual Report for Calendar Year 2012 (PDF)(43 pp, 3 MB, May 2013)
- Ambient Air Protocol Gas Verification Program Annual Report for Calendar Year 2011 (PDF)(40 pp, 2 MB, April 2012)
- Ambient Air Protocol Gas Verification Program Annual Report for Calendar Year 2010 (PDF)(32 pp, 1 MB, March 2011)
- Protocol Gas Verification Program Implementation Plan (PDF)(35 pp, 118 K, April 2010)
- Findings from the Technical Systems Audit of Ambient Air Protocol Gas Verification Program, Regional Analytical Verification Laboratory (RAVL), EPA Region 2 Laboratory (Edison, NJ) (PDF)(3 pp, 23 K, May 2010)