Wisconsin Administrative Code
Department of Natural Resources
NR 400-499 - Environmental Protection - Air Pollution Control
Chapter NR 404 - Ambient Air Quality
Section NR 404.01 - Applicability; purpose

Universal Citation: WI Admin Code ยง NR 404.01

Current through August 26, 2024

(1) APPLICABILITY. The air standards of this chapter apply to the entire state without exception. The ambient air increments of this chapter apply to all attainment areas of the state.

(2) PURPOSE. This chapter is adopted under ss. 285.11, 285.13 and 285.21, Stats., to establish geographic air regions, air standards and ambient air increments, to specify the methods to be used to measure air quality and to interpret air quality data and to establish guidelines for the application of air standards.

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