TITLE 326 AIR POLLUTION CONTROL DIVISION
Proposed Rule
LSA Document #19-388
DIGEST
Amends
326 IAC 7-4.1-7 and
326 IAC 7-4.1-8 concerning sulfur dioxide emission limitations for Indiana Harbor Coke Company and Cokenergy LLC. Effective 30 days after filing with the Publisher.
Date of First Hearing: November 13, 2019.
IC 13-14-9-4.5 states that a board may not adopt a rule under
IC 13-14-9 that is substantively different from the draft rule published under
IC 13-14-9-4, until the board has conducted a third comment period that is at least 21 days long. Because this proposed rule is not substantively different from the draft rule published on August 14, 2019, at DIN:
20190814-IR-326190388FDA, the Indiana Department of Environmental Management (IDEM) is not requesting additional comment on this proposed rule.
SUMMARY/RESPONSE TO COMMENTS FROM THE SECOND COMMENT PERIOD
IDEM requested public comment from August 14, 2019, through September 13, 2019, on IDEM's draft rule language. No comments were received during the second comment period.
SUMMARY/RESPONSE TO COMMENTS RECEIVED AT THE FIRST PUBLIC HEARING
On November 13, 2019, the Environmental Rules Board (board) conducted the first public hearing/board meeting concerning the development of amendments to
326 IAC 7-4.1-7 and
326 IAC 7-4.1-8. No comments were made at the first hearing.
326 IAC 7-4.1-7 Cokenergy LLC sulfur dioxide emission limitations
Authority:
IC 13-14-8;
IC 13-17-3-4;
IC 13-17-3-11
Sec. 7. (a) Cokenergy Inc., LLC, Source Identification Number 00383, shall comply with the sulfur dioxide emission limit in pounds per hour for the heat recovery coke carbonization waste gas stack, identified as Stack ID 201, combined with the sixteen (16) vents from the Indiana Harbor Coke Company of a twenty-four (24) hour average emission rate of one thousand six hundred fifty-six (1,656) pounds per hour.
(b) Cokenergy LLC shall install, operate, and maintain a permanent flow monitor to continuously measure the flow rate in Stack ID 201.
(c) Except under subsection (d), beginning on January 1, 2020, Cokenergy LLC in combination with Indiana Harbor Coke Company may vent a maximum of thirteen percent (13%) of the coke oven waste gases leaving the common tunnel to the atmosphere through the bypass vent stacks, as determined on an annual basis.
(d) Beginning on January 1, 2020, if Cokenergy LLC undertakes heat recovery steam generator (HRSG) retubing, as defined in subsection (e), then the following apply:
(1) Cokenergy LLC in combination with Indiana Harbor Coke Company may vent a maximum of fourteen percent (14%) of the coke oven waste gases leaving the common tunnel to the atmosphere through the bypass vent stacks, as determined:
(A) on an annual basis; and
(B) in any calendar year that Cokenergy LLC undertakes HRSG retubing.
(2) The bypass venting percentage resulting from HRSG retubing must account for at least three and one-quarter percent (3.25%) of the annual bypass venting.
(3) Bypass venting resulting from tube leaks, inspections, routine cleaning or maintenance, or unplanned HRSG outages may not be included in calculating the bypass venting percentage resulting from HRSG retubing.
(e) For the purposes of this section and section 8 of this rule, "heat recovery steam generator retubing" or "HRSG retubing" means replacement of:
(1) waterwalls, evaporator tubes, economizer tubes, or superheater module pendants within the heat recovery steam generator; and
(2) exterior casing, insulation, and refractory, as needed.
(Air Pollution Control Division; 326 IAC 7-4.1-7; filed May 25, 2005, 10:50 a.m.: 28 IR 2957)
326 IAC 7-4.1-8 Indiana Harbor Coke Company sulfur dioxide emission limitations
Authority:
IC 13-14-8;
IC 13-17-3-4;
IC 13-17-3-11
Sec. 8. (a) Indiana Harbor Coke Company (IHCC), Source Identification Number 00382, shall comply with the sulfur dioxide emission limits in pounds per ton
of dry coal, pounds per hour, and other requirements as follows:
| | | |
| | Emissions Unit Description | Emission Limit lbs/ton | Emission Limit lbs/hour |
| | (1) IHCC Coal Carbonization Charging | 0.0068 each | 1.57 total |
| | (2) IHCC Coal Carbonization Pushing | 0.0084 | 1.96 |
| | (3) IHCC Coal Carbonization Quenching | 0.0053 | 1.232 total |
| | (4) IHCC Coal Carbonization Thaw Shed | 0.0006 lbs/1,000 cubic feet natural gas | 0.015 |
| | (5) IHCC Vent Stacks (16 total) in combination with Cokenergy's heat recovery coke carbonization waste gas stack identified as Stack ID 201 | | 1,656 total for a 24 hour average |
(b) The coke ovens
shall must recycle the gases emitted during the coking process
and utilize it as in accordance with the following:
(1) The recycled gases must be the only fuel source used for the ovens during normal operations.
(2) The gases shall must not be routed directly to the atmosphere unless they first pass through the common tunnel afterburner.
(3) A maximum of nineteen percent (19%) of the coke oven waste gases leaving the common tunnel shall be allowed to may be vented to the atmosphere on a twenty-four (24) hour basis. and fourteen percent (14%) on an annual basis.
(c) Except under subsection (d), beginning on January 1, 2020, Indiana Harbor Coke Company in combination with Cokenergy LLC may vent a maximum of thirteen percent (13%) of the coke oven waste gases leaving the common tunnel to the atmosphere through the bypass vent stacks, as determined on an annual basis.
(d) Beginning on January 1, 2020, if Cokenergy LLC undertakes HRSG retubing, as defined in section 7(e) of this rule, then the following apply:
(1) Indiana Harbor Coke Company in combination with Cokenergy LLC may vent a maximum of fourteen percent (14%) of the coke oven waste gases leaving the common tunnel to the atmosphere through the bypass vent stacks, as determined:
(A) on an annual basis; and
(B) in any calendar year that Cokenergy LLC undertakes HRSG retubing.
(2) The bypass venting percentage resulting from HRSG retubing must account for at least three and one-quarter percent (3.25%) of the annual bypass venting.
(3) Bypass venting resulting from tube leaks, inspections, routine cleaning or maintenance, or unplanned HRSG outages may not be included in calculating the bypass venting percentage resulting from HRSG retubing.
(Air Pollution Control Division; 326 IAC 7-4.1-8; filed May 25, 2005, 10:50 a.m.: 28 IR 2957)
Posted: 12/04/2019 by Legislative Services Agency
DIN: 20191204-IR-326190388PRA
Composed: Apr 29,2024 1:26:49AM EDT
A
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