Texas Administrative Code
Title 30 - ENVIRONMENTAL QUALITY
Part 1 - TEXAS COMMISSION ON ENVIRONMENTAL QUALITY
Chapter 115 - CONTROL OF AIR POLLUTION FROM VOLATILE ORGANIC COMPOUNDS
Subchapter H - HIGHLY-REACTIVE VOLATILE ORGANIC COMPOUNDS
Division 1 - VENT GAS CONTROL
Section 115.722 - Site-wide Cap and Control Requirements

Universal Citation: 30 TX Admin Code § 115.722

Current through Reg. 50, No. 13; March 28, 2025

(a) The owner or operator of a site subject to this division shall additionally comply with the requirements of Chapter 101, Subchapter H, Division 6 of this title (relating to Highly-Reactive Volatile Organic Compound Emissions Cap and Trade Program).

(b) All sites subject to this division or Division 2 of this subchapter (relating to Cooling Tower Heat Exchange Systems) that are exempt from the highly-reactive volatile organic compound (HRVOC) emissions cap and trade program, in accordance with § 101.392(a) of this title (relating to Exemptions), are limited to ten tons of HRVOC emissions per calendar year.

(1) HRVOC emissions at each site located in Harris County that is subject to this division or Division 2 of this subchapter must not exceed 1,200 pounds of HRVOC per one-hour block period from any flare, vent, pressure relief valve, cooling tower, or any combination.

(2) HRVOC emissions at each site located in the Houston/Galveston/Brazoria area as defined in § 115.10 of this title (relating to Definitions), excluding Harris County, that is subject to this division or Division 2 of this subchapter must not exceed 1,200 pounds of HRVOC per one-hour block period from any flare, vent, pressure relief valve, cooling tower, or any combination.

(3) For any exceedance of the HRVOC emission limits specified in paragraph (1) or (2) of this subsection, the emission limits specified in paragraph (1) or (2) of this subsection must be used to determine compliance with subsection (a) or (b) of this section instead of the total amount of actual emissions.

(d) All flares must continuously meet the requirements of 40 Code of Federal Regulations §60.18(c)(2) - (6) and (d) as amended through October 17, 2000 (65 FR 61744) when vent gas containing HRVOC is being routed to the flare.

(1) Average net heating value over a one-hour block period will be used to demonstrate compliance with the minimum net heating value requirements.

(2) The exit velocity averaged over a one-hour block period must be used to demonstrate compliance with the maximum exit velocity requirements.

(e) An owner or operator may not use emission reduction credits or discrete emission reduction credits in order to demonstrate compliance with this division.

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