Texas Administrative Code
Title 30 - ENVIRONMENTAL QUALITY
Part 1 - TEXAS COMMISSION ON ENVIRONMENTAL QUALITY
Chapter 117 - CONTROL OF AIR POLLUTION FROM NITROGEN COMPOUNDS
Subchapter G - GENERAL MONITORING AND TESTING REQUIREMENTS
Division 1 - COMPLIANCE STACK TESTING AND REPORT REQUIREMENTS
Section 117.8000 - Stack Testing Requirements
Current through Reg. 50, No. 13; March 28, 2025
(a) When required by this chapter, the owner or operator of a unit subject to this chapter shall conduct testing according to the requirements of this section.
(b) The unit must be operated at the maximum rated capacity, or as near as practicable. Compliance must be determined by the average of three one-hour emission test runs. Shorter test times may be used if approved by the executive director.
(c) Testing must be performed using the following test methods:
(d) EPA-approved alternate test methods or minor modifications to the test methods specified in subsection (c) of this section may be used, as approved by the executive director, as long as the minor modifications meet the following conditions:
(e) An owner or operator that chooses to install or relocate a boiler or process heater temporarily at an account for less than 60 consecutive calendar days may substitute the following in lieu of the requirements of subsections (b) - (d) of this section for stack testing required by this chapter. For the purposes of this subsection, the term "relocate" means to newly install at an account, as defined in § 101.1 of this title (relating to Definitions), a boiler or process heater from anywhere outside of that account.
(f) ASTM Method D6348-03 may be used to determine NOX or CO emissions from stationary internal combustion engines in lieu of the test methods for NOX or CO specified in subsection (c) of this section if the owner or operator of the stationary engine subject to the testing requirements of this section meets the conditions of this subsection. All other applicable requirements in subsection (c) of this section continue to apply.