Unless specifically defined in the Texas Clean Air Act (Texas Health and Safety Code, Chapter 382), or in §101.1 or §112.1 of this title (relating to Definitions, respectively), the terms in this subchapter have the meanings commonly used in the field of air pollution control. The following meanings apply in this subchapter unless the context clearly indicates otherwise.
(1) Continuous Monitoring--Monitoring for which readings are recorded at least once every 15 minutes.
(2) Lightweight aggregate kiln--A rotary kiln used to produce lightweight aggregate material. Any calciner or other associated devices used with the kiln for production are included as part of the kiln.
(3) Lightweight aggregate material--A manufactured aggregate produced by expanding or pelletizing shale, clay, or slate in a rotary kiln that meets the standards of ASTM Cl25, ASTM C330, and/or other similar industry association standards and definitions.
(4) Navarro County sulfur dioxide (SO 2 ) nonattainment area--The portion of Navarro County designated by the United States Environmental Protection Agency (EPA) as nonattainment for the 2010 SO 2 National Ambient Air Quality Standard, 40 Code of Federal Regulations §81.344.
Source Note: The provisions of this §112.301 adopted to be effective October 27, 2022, 47 TexReg 6985