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TITLE 30ENVIRONMENTAL QUALITY
PART 1TEXAS COMMISSION ON ENVIRONMENTAL QUALITY
CHAPTER 117CONTROL OF AIR POLLUTION FROM NITROGEN COMPOUNDS
SUBCHAPTER BCOMBUSTION CONTROL AT MAJOR INDUSTRIAL, COMMERCIAL, AND INSTITUTIONAL SOURCES IN OZONE NONATTAINMENT AREAS
DIVISION 2BEXAR COUNTY OZONE NONATTAINMENT AREA MAJOR SOURCES
RULE §117.235Initial Demonstration of Compliance

(a) The owner or operator of any unit subject to §117.205 of this title (relating to Emission Specifications for Reasonably Available Control Technology (RACT)) shall test the unit for nitrogen oxides (NOX ) and oxygen (O2 ) emissions while firing gaseous fuel or, as applicable, liquid and solid fuel.

(b) Initial demonstration of compliance testing must be performed in accordance with the schedule specified in §117.9010 of this title (relating to Compliance Schedule for Bexar County Ozone Nonattainment Area Major Sources).

(c) The initial demonstration of compliance tests required by subsection (a) of this section must use the methods referenced in subsection (e) or (f) of this section and must be used for determination of initial compliance with the emission specifications of this division. Test results must be reported in the units of the applicable emission specifications and averaging periods.

(d) Any continuous emissions monitoring system (CEMS) or any predictive emissions monitoring system (PEMS) required by §117.240 of this title (relating to Continuous Demonstration of Compliance) must be installed and operational before conducting testing under subsection (a) of this section. Verification of operational status must, at a minimum, include completion of the initial monitor certification and the manufacturer's written requirements or recommendations for installation, operation, and calibration of the device or system.

(e) For units operating without CEMS or PEMS, compliance with the emission specifications of this division must be demonstrated according to the requirements of §117.8000 of this title (relating to Stack Testing Requirements).

(f) For units operating with CEMS or PEMS in accordance with §117.240 of this title, initial compliance with the emission specifications of this division must be demonstrated after monitor certification testing using the CEMS or PEMS. For units complying with a NOX emission specification on a block one-hour average, every one-hour period while operating at the maximum rated capacity (or as near thereto as practicable) is used to determine compliance with the NOX emission specification.

(g) Compliance stack test reports must include the information required in §117.8010 of this title (relating to Compliance Stack Test Reports).


Source Note: The provisions of this §117.235 adopted to be effective May 16, 2024, 49 TexReg 3347

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