In accordance with Volume II, Section 111. .13. . of the State Air Quality Control Plan, adopted by reference in 18 AAC 50.030, in addition to meeting all requirements in 18 AAC 50 as applicable, all stationary sources that require a permit, are located or operating within the area defined in 18 AAC 50.025(a)(4), and contain fuel burning equipment or industrial processes, shall

1. (1) maintain onsite for 10 years, records of any maintenance to any significant emissions unit that is not an insignificant emissions unit under 18 AAC 50.326 d) - (i), that has or may have an effect on any emission that affects visibility of Class I areas, including critical maintenance that has occurred or is planned to occur, including all schedules, practices, and maintenance records for each significant emissions unit and control device according to the manufacturer's emission-related written instructions;
2. (2) if the applicant has not previously submitted the information necessary for the state to compile the national emission inventory as required in 40 C.F.R. Part 51 Subpart A, as revised as of July l, 2022 and adopted by reference, include that information in accordance with 18 AAC 50.200;
3. (3) upon request by the department, submit copies of the information required under (1) of this section;

4. (4) ensure that an application for a construction permit, new permit, permit renewal, or permit modification specifically addresses information related to possible impacts on the reasonable further progress goals for Class I areas, as identified in the State Air Quality Control Plan, adopted by reference in 18 AAC 50.030; in addition to the requirements found in 18 AAC 50.300 - 18 AAC 50.390 and 18 AAC 50.502 - 18 AAC 50.560, as applicable, the application must also include

   1. (A) anticipated equipment major maintenance schedules, if applicable;
   2. (B) a best estimate of the projected equipment life of a significant emissions unit if known; for new construction, a permit requirement will be included to collect this information once an emissions unit is installed;
   3. (C) an assessment of whether or not emissions resulting from the proposed project may impact the state's reasonable further progress goals; and
   4. (D) a description of mitigation measures to minimize any identified adverse impacts to the state's reasonable further progress goals;
5. (5) implement mitigation measures identified in a permit to minimize any potential adverse impacts identified.

(Eff. 8/21/2022, Register 243)

Authority: AS 46.03.020, AS 46.14.020, AS 46.14.130, AS 46.03.710, AS 46.14.030, AS 46.14.140, AS 46.14.010, AS 46.14.120, AS 46.14.180