The EPA published without prior proposal a Federal Register (FR) notice promulgating interim approval of the operating permits program submitted by the New Mexico Governor's designee, Mr. Lawrence Rael, for the City of Albuquerque as Chief Administrative Officer, and for Bernalillo County as the administrative head of the Albuquerque/ Bernalillo County Operating Permits Program, for the purpose of complying with the Federal requirements of an approved program to issue operating permits to all major stationary sources, and to certain other sources with the exception of Indian Lands. This submittal for the operating permits program was made by the City of Albuquerque on April 4, 1994. EPA's direct final approval was published on January 10, 1995 (60 FR 2527). The EPA subsequently received comments from the American Forest and Paper Association (AF&PA) on the action. Two comments were received from this commenter: one with respect to the definition of ``Title I modification'' and the other regarding the implementation of section 112(g). A letter from National Environmental Development Association/ Clean Air Regulatory Project was received by the EPA approximately two weeks after the close of the public comment period. That letter set out the same comments expressed by the AF&PA, and will be added to the EPA's docket for the approval of the Albuquerque Operating Permits Program although not discussed further in this notice. With respect to the definition of Title I modification, the AF&PA noted that the Albuquerque definition of ``Title I modification'' does not include changes reviewed under a minor source preconstruction review program (``minor NSR changes''). AF&PA stated its belief that this was consistent with the relatively narrow definition of Title I modification which AF&PA believed is contained in the current Part 70 rules. The AF&PA also noted that EPA has recently proposed changing its current definition of ``Title I modification'' to expressly include virtu