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) Carmeuse Lime, Source Identification Number 00112, shall comply with the sulfur dioxide emission limits for Rotary Kilns 1 through 5 as follows:

1. (1) When three (3) or fewer kilns are in operation at the same time, the sulfur dioxide emissions are not to exceed:

   1. (A) two and ninety-four thousandths (2.094) pounds per ton of lime based on a one (1) hour average; and
   2. (B) forty-eight (48) pounds per hour per operating kiln.

2. (2) When four (4) kilns are in operation at the same time, the sulfur dioxide emissions are not to exceed:

   1. (A) one and seven hundred forty-five thousandths (1.745) pounds per ton of lime based on a one (1) hour average; and
   2. (B) forty (40) pounds per hour per operating kiln.

3. (3) When five (5) kilns are in operation at the same time, the sulfur dioxide emissions are not to exceed:

   1. (A) one and four hundred eighty-three thousandths (1.483) pounds per ton of lime based on a one (1) hour average; and
   2. (B) thirty-four (34) pounds per hour per operating kiln.
4. (4) The production of lime is not to exceed five hundred fifty (550) tons per day for each rotary kiln.

(b) Sulfur dioxide emissions shall be vented from the kilns/kiln gas filter systems at the following heights above grade:

1. (1) For Kiln No. 1, a stack height of seventy-nine and one-tenth (79.1) feet.
2. (2) For Kiln No. 2, a stack height of eighty-five and nine-tenths (85.9) feet.
3. (3) For Kiln No. 3, a stack height of eighty-six and zero-tenths (86.0) feet.
4. (4) For Kiln No. 4, a stack height of ninety-four and four-tenths (94.4) feet.
5. (5) For Kiln No. 5, a stack height of eighty-seven and four-tenths (87.4) feet.

(Air Pollution Control Division; 326 IAC 7-4.1-6; filed May 25, 2005, 10:50 a.m.: 28 IR 2956; readopted filed Oct 18, 2024, 2:09 p.m.: 20241113-IR-326230809RFA)