At present, there are three available guidance documents concerning the current General Conformity Regulations:

• September 25, 2002 - Developed by both the Federal Aviation Administration (FAA) and the EPA, this is the most recent guidance on Conformity and is applicable to the FAA and other federal agencies.
• March 7-8, 1994 - Composite of frequently asked questions; addresses different issues raised at the General Conformity Workshop held in Virginia
• October 19, 1994 - Additional Questions and Answers regarding Applicability, Bubbling Activities, and Transportation Conformity.

• General Conformity Guidance for Airports, Questions and Answers (PDF)(31 pp, 62 K, September 25, 2002)
• General Conformity Guidance: Questions and Answers (PDF)(49 pp, 1 MB, July 13, 1994)
• New General Conformity Q’s & A’s (October 19, 1994) (PDF)(2 pp, 10 K)