StacksVerified U.S. regulatory reference

40 CFR Part 67, Appendix A

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗

Note: EPA will make copies of appendix A available from: Director, Stationary Source Compliance Division, EN-341, 1200 Pennsylvania Ave., NW., Washington, DC 20460.

[54 FR 25259, June 20, 1989]