Authority: IC 13-14-8; IC 13-17-3-4; IC 13-17-3-11

Affected: IC 13-15; IC 13-17

Sec. 3. (a) The owner or operator of a large affected unit subject to this rule, and to the extent applicable, the designated representative, shall comply with the monitoring, record keeping, and reporting requirements in this section and sections 4 through 8 of this rule, and in 40 CFR 75, Subpart H*, except when complying with approved alternative monitoring and reporting requirements in section 8.5 of this rule. The owner or operator of a unit that is not a large affected unit, but that is required to monitor under 40 CFR 75.72(b)(2)(ii)* for units with common stack and multiple stack configurations, shall comply with the same monitoring, record keeping, and reporting requirements as a large affected unit in this section and sections 4 through 8 of this rule.

(b) The owner or operator of each large affected unit shall do the following, except when complying with approved alternative monitoring and reporting requirements in section 8.5 of this rule:

1. (1) Install all monitoring systems required under this section for monitoring NOx ozone season mass emissions and individual unit heat input, including all systems required to monitor the following operating parameters in accordance with 40 CFR 75.71* and 40 CFR 75.72*, as applicable:

   1. (A) NOx emission rate.
   2. (B) NOx concentration.
   3. (C) Stack gas moisture content.
   4. (D) Stack gas flow rate.
   5. (E) Carbon dioxide (CO2) or oxygen (O2) concentration.
   6. (F) Fuel flow rate.
2. (2) Complete all certification tests required under section 5(b) of this rule and meet all other requirements of this section and 40 CFR 75* applicable to the monitoring systems under subdivision (1).
3. (3) Record, report, and quality assure the data from the monitoring systems under subdivision (1).

(c) The designated representative for a large affected unit shall submit written notice to the department and U.S. EPA in accordance with 40 CFR 75.61*, except when complying with approved alternative monitoring and reporting requirements in section 8.5 of this rule.

(d) The owner or operator of a large affected unit is subject to the applicable provisions of 40 CFR 75* concerning units in long term cold storage, except when complying with approved alternative monitoring and reporting requirements in section 8.5 of this rule.

(e) The prohibitions in 40 CFR 75.70(c)* apply to any monitoring system, alternative monitoring system, alternative reference method, or any other alternative for a continuous emissions monitoring system required under this rule, except when the owner or operator is complying with approved alternative monitoring and reporting requirements in section 8.5 of this rule.

*These documents are incorporated by reference. Copies may be obtained from the Government Publishing Office, www.gpo.gov, or are available for review at the Indiana Department of Environmental Management, Office of Legal Counsel, Indiana Government Center North, 100 North Senate Avenue, Thirteenth Floor, Indianapolis, Indiana 46204.

(Air Pollution Control Division; 326 IAC 10-2- 3; filed Jul 27, 2018, 2:25 p.m.: 20180822-IR-326150414FRA; filed Sep 14, 2021, 8:47 a.m.: 20211013-IR- 326190589FRA; readopted filed Oct 18, 2024, 2:09 p.m.: 20241113-IR-326230809RFA)