Pennsylvania Code & Bulletin

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The Pennsylvania Code website reflects the Pennsylvania Code changes effective through 51 Pa.B. 6892 (October 30, 2021).

25 Pa. Code § 131.1. Purpose.

§ 131.1. Purpose.

 This chapter establishes the maximum concentrations of air contaminants which will be permitted to exist in the ambient air, at the point of its use, under various conditions and in various areas of this Commonwealth and to provide standards against which existing air quality may be compared.


   The provisions of this §  131.1 adopted September 10, 1971, effective September 11, 1971, 1 Pa.B. 1804; amended March 3, 1972, effective March 20, 1972, 2 Pa.B. 383. Immediately preceding text appears at serial page (4652).

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