Nitrogen dioxide designations - State recommendation and EPA response for Puerto Rico (U.S. Territory).
You will need Adobe Reader to view some of the files on this page. See EPA’s About PDF page to learn more.- Puerto Rico (U.S. Territory) State Recommendation (PDF)(26 pp, 10 MB, December 6, 2010)
- EPA Response to Puerto Rico Recommendation (PDF)(2 pp, 136 K, June 28, 2011)