This page contains links to Quality Assurance guidance documents for the ambient air monitoring 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.- NPAP Implementation Decision Memorandum for Calendar Year 2021 (PDF)(10 pp, 3 MB)
- Technical Note- Clarifications and Guidance on Residence Time Determination (PDF)(5 pp, 431 K, June 2019)
- Guide to Writing Quality Assurance Project PLans for Ambient Air Monitoring Networks (PDF)(46 pp, 534 K, August 2018)
- QA Handbook for Air Pollution Measurement Systems: "Volume I: A Field Guide to Environmental Quality Assurance (PDF)(54 pp, 1 MB, April 1994)
- QA Handbook for Air Pollution Measurement Systems:"Volume II: Ambient Air Quality Monitoring Program (PDF)(346 pp, 5 MB, January 2017)
- Planned Edits for Revision to the 2017 QA Handbook (PDF)(1 pg, 85 K, March 2018)
- QA Handbook Appendix D Validation Templates (PDF)(54 pp, 410 K, March 2017)
- Minor Changes to the January 2017 Version of the Validation Template (PDF)(2 pp, 94 K, March 2017)
- QA Handbook for Air Pollution Measurement Systems: "Volume V: Precipitation Measurement Systems (PDF)(260 pp, 9 MB, April 1994)