(a) A generalized air pollution episode is a widespread condition of air pollution as specified in the Texas Water Code, §5.514, that requires immediate action to protect human health or safety. An episode may be declared for one or more air contaminants and will apply to any geographical area affected by the generalized condition of air pollution.
(b) A Level 1 air pollution episode exists if the criteria specified in paragraphs (1) and (2) of this subsection are met.
  (1) The concentration of any of the air contaminants is equal to or greater than the levels specified for Level 1 in Table 1.
  (2) In the case of all air contaminants except ozone, meteorological conditions conducive to high levels of air contamination are predicted to continue for at least 12 hours. In the case of ozone, meteorological conditions conducive to high levels of ozone are likely to recur within the next 24 hours.
Attached Graphic
(c) A level 2 air pollution episode exists if the commission determines that emergency reductions of emissions must be initiated to prevent ambient concentrations specified for Level 2 in Table 1.

Source Note: The provisions of this §118.1 adopted to be effective January 1, 1976; amended to be effective August 25, 1987, 12 TexReg 2639; amended to be effective May 26, 1989, 14 TexReg 2365; amended to be effective March 5, 2000, 25 TexReg 1710