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

Affected: IC 13-15; IC 13-17

Sec. 6. (a) Owners or operators of a sintering process that meet the emission limits in section 3 of this rule by using a control device shall comply with the operation, maintenance, and monitoring requirements of 326 IAC 8-10-8.

(b) Owners or operators of a sintering process that meet the emission limits in section 3 of this rule by using a control device shall maintain the control device operating parameter values within the boundaries specified in 326 IAC 8-10-9(b)(3), 326 IAC 8-10-9(b)(4), 326 IAC 8-10-9(b)(5), or 326 IAC 8-10-9(b)(6).

(c) Owners or operators of a sintering process that meet the emission limits in section 3 of this rule by controlling the sinter burden oil and grease content shall, after the date that the initial or the subsequent compliance test is completed, comply with the following requirements:

1. (1) Following procedures in section 5 of this rule, analyze at least one (1) sample during each of the following operating periods of an operating day:

   1. (A) 00:00 - 08:00.
   2. (B) 08:00 - 16:00.
   3. (C) 16:00 - 24:00.
2. (2) The owner or operator may composite a number of grab samples taken within each operating period. If sinter is produced for less than a total of sixty (60) minutes in any operating period, the owner or operator is not required to sample for oil and grease content during that operating period.

3. (3) Compliance with the oil and grease content requirements shall be determined in one (1) of the following ways:

   1. (A) If the owner or operator takes one (1) sample per operating period, the sample may be a composite of multiple samples taken within the operating period. The three (3) values shall be averaged over the day, and:

      1. (i) the daily average value may exceed the operating parameter on not more than five (5) days per month by an oil amount not to exceed one-hundredth (0.01) pound of VOC per ton of sinter produced as determined by the initial or subsequent compliance test;
      2. (ii) the daily average of the samples taken the day after the day in which the excursion occurred must be in compliance with the operating parameter;
      3. (iii) an excursion greater than the specified percentage in excess of the operating parameter shall be considered a violation of this rule; and
      4. (iv) more than five (5) excursions in a single month shall be considered a violation of this rule.

   2. (B) If the owner or operator analyzes four (4) or more samples per operating period and determines the daily average oil and grease content values, then:

      1. (i) the daily average oil and grease content shall not exceed the operating parameter determined in section 5(d)(10) or 5(d)(11) of this rule;
      2. (ii) an exceedance of the operating parameter is a violation of the rule; and
      3. (iii) no excursions are allowed since the greater number of samples should decrease the sampling variation.

(d) Owners or operators of a sintering process that meet the emission limits in section 3 of this rule by means other than those specified in subsection (b) or (c) shall, in the notifications required by section 4 of this rule, describe the following:

1. (1) Operation and maintenance of the control measure.
2. (2) The process parameter or parameters and the value and range of the process parameter or parameters that indicate compliance with the emission limit.
3. (3) The operating records that will be maintained.

(Air Pollution Control Division; 326 IAC 8-13-6; filed Jun 24, 1998, 5:46 p.m.: 21 IR 4200; errata filed Feb 9, 1999, 4:04 p.m.: 22 IR 2006; errata, 22 IR 2007; readopted filed Oct 18, 2024, 2:09 p.m.: 20241113-IR-326230809RFA)