Changelog:

• Minor Text Corrections and Clarifications: We’ve refined the text in various sections to improve clarity and readability.
• Expanded Gas Coverage: GO AQS now includes Nitrogen Dioxide (NO2) and Radon
• Enhanced Documentation: We have added proper citations and documentation for Carbon Monoxide (CO), Formaldehyde (CH2O), Nitrogen Dioxide (NO2), and Radon.
• Attached Appendix A: Appendix A, detailing current AQ Standards, is now attached for your reference.
• Updated Member List

You will find the latest version on the home page at www.goaqs.org.