Section 326IAC7-4-3.1. Vigo County sulfur dioxide emission limitations

  1. (a) On and after January 1, 2017, sources and emission units located in Vigo County shall comply with the sulfur dioxide emission limits and other requirements, as follows:

	Source	Emission Unit Description	Emission Limit (lbs/hour) or Other Requirements	Emission Limit (lbs/MMBtu)
(1)	Wabash River Combined Cycle Source ID No. 00147	Combustion Turbine Unit 1A	333.76	0.195
(2)	sgSolutions Source ID No. 00091	(A) Tail Gas Incinerator Stack EP1	230.6
		(B) Process Flare Unit 2	500 hour calendar year operating limit on coal/syngas
(3)	SONY Digital Audio Disc Source ID No. 00032	(A) #1 Kewanee Boiler		0.05
		(B) #2 Kewanee Boiler		0.05
		(C) Unit 3 Burnham Boiler		0.05
		(D) Unit 4 Burnham Boiler		0.05
		(E) Unit 5 Superior Boiler		0.05
		(F) Unit 6 Superior Boiler		0.05
		(G) Unit 18 Boiler		0.05
(4)	Taghleef Industries Source ID No. 00045	(A) Clayton Boiler (Standby)	0.03	0.0015
		(B) Nebraska Boiler	0.05	0.0015
		(C) Nebraska-D Boiler	Burn natural gas
(5)	Terre Haute Regional Hospital Source ID No. 00046	(A) #1 Boiler		0.45
		(B) New #2 Boiler		0.45
(6)	Union Hospital Source ID No. 00047	2 Keeler Boilers		0.36
(7)	Duke Energy - Wabash River Generating Station Source ID No. 00021	(A) Boiler 6	1,499.5	0.5
		(B) Diesel Generators 7A, 7B, and 7C	500 hour calendar year operating limit (each)	0.05

  (b) Compliance with the emission limit in subsection (a)(1) shall be determined by using quality assured hourly average continuous emission monitoring system data.

  (c) Compliance with the emission limit in subsection (a)(2)(A) shall be determined by calculating the thirty (30) unit operating day rolling arithmetic average emission rate at the end of each unit operating day using all of the quality assured hourly average continuous emission monitoring system data for the previous thirty (30) unit operating days. Unit operating day means a twenty-four (24) hour period that begins at midnight and ends the following midnight during which the unit is operated. It is not necessary for the unit to be operating the entire twenty-four (24) hour period. (Air Pollution Control Division; 326 IAC 7-4-3.1; filed Sep 2, 2015, 1:50 p.m.: 20150930-IR-326110356FRA)