30 Tex. Admin. Code § 112.231 - Definitions
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 division have the meanings commonly used in the field of air pollution control. The following meanings apply in this division unless the context clearly indicates otherwise.
(1) Block one-hour average--An hourly average
of data, collected starting at the beginning of each clock hour of the day and
continuing until the start of the next clock hour (e.g., from 12:00:00 to
12:59:59).
(2) Continuous
Monitoring--Monitoring for which readings are recorded at least once every 15
minutes.
(3) Hutchinson County
sulfur dioxide (SO2) nonattainment area--The portion of
Hutchinson County designated by the United States Environmental Protection
Agency (EPA) as nonattainment for the 2010 SO2 National
Ambient Air Quality Standard, 40 Code of Federal Regulations
§81.344.
(4) Pipeline quality
natural gas--Natural gas containing no more than 0.25 grain of hydrogen sulfide
and 5 grains of total sulfur per 100 dry standard cubic feet.
Notes
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