(a) Except as specified in subsection (g) of this section, in Aransas, Bexar, Brazoria, Calhoun, Chambers, Collin, Dallas, Denton, El Paso, Fort Bend, Galveston, Hardin, Harris, Jefferson, Liberty, Matagorda, Montgomery, Nueces, Orange, San Patricio, Travis, Victoria, and Waller Counties, the compliance date has passed and the owner or operator of each vent gas stream shall continue to comply with existing provisions in this division.
(b) The owner or operator of each bakery in Collin, Dallas, Denton, and Tarrant Counties subject to §115.122(a)(3)(C) of this title (relating to Control Requirements) shall comply with §§115.121(a)(3), 115.122(a)(3)(C), and 115.126(6) of this title (relating to Emission Specifications; Control Requirements; and Monitoring and Recordkeeping Requirements) as soon as practicable, but no later than one year, after the commission publishes notification in the Texas Register of its determination that this contingency rule is necessary as a result of failure to attain the national ambient air quality standard (NAAQS) for ozone by the attainment deadline or failure to demonstrate reasonable further progress as set forth in Federal Clean Air Act (FCAA), §172(c)(9).
(c) The owner or operator of each bakery in El Paso County subject to §115.122(a)(3)(D) of this title shall comply with §§115.121(a)(3), 115.122(a)(3)(D), and 115.126(6) of this title as soon as practicable, but no later than one year, after the commission publishes notification in the Texas Register of its determination that this contingency rule is necessary as a result of failure to attain the NAAQS for ozone by the attainment deadline or failure to demonstrate reasonable further progress as set forth in FCAA, §172(c)(9).
(d) The owner or operator of each vent gas stream in Ellis, Johnson, Kaufman, Parker, and Rockwall Counties shall comply with this division as soon as practicable, but no later than March 1, 2009.
(e) The owner or operator of each vent gas stream in Wise County shall comply with this division as soon as practicable, but no later than January 1, 2017.
(f) The owner or operator of a vent gas stream in Bexar, Collin, Dallas, Denton, Ellis, Johnson, Kaufman, Parker, Rockwall, Tarrant, and Wise Counties that becomes subject to a new requirement of this division on or after the applicable compliance date in this section shall comply with the requirements in this division as soon as practicable, but no later than 60 days after becoming subject.
(g) The owner or operator of each vent gas stream in the Bexar County area subject to the requirements of this division shall comply with the requirements of §115.121(c), §115.122(c), §115.123(c), and §115.127(c) through December 31, 2024 and all other applicable requirements of this division by no later than January 1, 2025.

Source Note: The provisions of this §115.129 adopted to be effective February 19, 1990, 15 TexReg 549; amended to be effective July 17, 1991, 16 TexReg 3717; amended to be effective November 1, 1991, 16 TexReg 5838; amended to be effective August 1, 1992, 17 TexReg 4683; amended to be effective November 16, 1992, 17 TexReg 7782; amended to be effective December 3, 1993, 18 TexReg 8538; amended to be effective May 27, 1994, 19 TexReg 3703; amended to be effective March 7, 1996, 21 TexReg 1548; amended to be effective May 22, 1997, 22 TexReg 4213; amended to be effectiveJanuary 18, 2001, 26 TexReg 493; amended to be effective January 17, 2003, 28 TexReg 113; amended to be effective December 7, 2006, 31 TexReg 9840; amended to be effective June 25, 2015, 40 TexReg 3907; amended to be effective May 16, 2024, 49 TexReg 3292