1. (a) Minor facility permits. The following air quality authorizations for minor facilities require Tier I applications.

   1. (1) New permits. New construction, operating and relocation permits.

   2. (2) Modifications of permits.

      1. (A) Modification of a construction permit for a minor facility that will remain minor after the modification.
      2. (B) Modification of an operating permit that will not change the facility's classification from minor to major.
      3. (C) Extension of expiration date of a construction permit.

2. (b) Part 70 source permits. The following air quality authorizations for Part 70 sources require Tier I applications.

   1. (1) New permits. New construction permit for an existing Part 70 source for any change considered minor under 252:100-8-7.2(b)(1).

   2. (2) Modifications of permits.

      1. (A) Modification of any operating permit condition that is based on the operating conditions of a construction permit that was processed under Tier I, II or III, and 252:100-8-8, and

         1. (i) does not differ from those construction permit conditions in any way considered significant under 252:100-8-7.2(b)(2) or,
         2. (ii) accommodates a change for which no construction permit is required under 100-8-4(a)(1).
      2. (B) A construction or operating permit modification that is minor under 252:100-8-7.2(b)(1).
      3. (C) Extension of expiration date of a Part 70 source's construction permit with no or minor modifications.

3. (c) Other authorizations. The following air quality authorizations require Tier I applications.

   1. (1) New, modified and renewed individual authorizations under general operating permits for which a schedule of compliance is not required by 252:100-8-5(e)(8)(B)(i).
   2. (2) Burn approvals.
   3. (3) Administrative amendments of all air quality permits and other authorizations.

Added at 18 Ok Reg 1922, eff 6-11-01

Amended at 20 Ok Reg 1115, eff 6-1-03

Amended at 38 Ok Reg 1763, eff 9-15-21