This final rule amends the national emission standard for hazardous air pollutants (NESHAP) for halogenated solvent cleaning by: permanently exempting nonmajor (or ``area'') batch cold solvent cleaning machines that use halogenated solvent from the Federal operating permit program; and deferring Federal operating permit requirements until December 9, 1999 for all other nonmajor halogenated solvent cleaning machines. With this amendment, these sources will be treated by our Federal Operating Permits Program in the same way EPA allows them to be treated by State operating permit programs adopted under title V of the Clean Air Act (CAA). State programs are already allowed to exempt/defer such sources from their requirements for title V operating permits. Without today's amendment, sources located in areas that do not have State title V permit programs (such as Indian country) could be subject to more burdensome requirements than may apply to sources located elsewhere. Today's action will reduce an undue regulatory burden on industry as well as on EPA's Regional Offices.