As requested, the Division of Air Pollution Control hereby commits to changing the definition of "building, structure, facility, or installation," and any other applicable definitions, when the issue of vessel emissions is resolved at the federal level, and after the federal regulation, 40 CFR 51.24 , is amended.
In approving this permit, the Kentucky Division for Air Quality has determined that the application complies with the applicable provisions of the stack height regulations as revised by the EPA on July 8, 1985 (50 FR 27892). Portions of the regulations have been remanded by a panel of the U.S. Court of Appeals for the D.C. Circuit in NRDC v. Thomas, 838 F.2d 1224 (D.C. Cir. 1988). Consequently, this permit may be subject to modification if and when the EPA revises the regulation in response to the court decision. This may result in revised emission limitations or may affect other actions taken by the source owners or operators.
Kentucky responded with a letter dated May 11, 1988, stating in part:
This is in response to your letter dated May 3, 1988 * * *. As requested by your letter, the Kentucky Division for Air Quality agrees to include the condition set forth in your letter, in all potentially affected permits issued under regulation 401 KAR 51:017 or 401 KAR 51:052. Therefore, we request that you consider this letter as our commitment that the required caveat will be included in all potentially affected permits * * *.
40 C.F.R. §52.931