Chapter 131. Ambient Air Quality Standards  


Section 131.1. Purpose
Section 131.2. National Ambient Air Quality Standards
Section 131.3. Ambient air quality standards
Section 131.4. Application of ambient air quality standards

Notation

Source

   The provisions of this Chapter 131 adopted September 10, 1971, effective September 11, 1971, 1 Pa.B. 1804, unless otherwise noted.

Cross References

   This chapter cited in 25 Pa. Code §  121.1 (relating to definitions); 25 Pa. Code §  127.1 (relating to purpose); 25 Pa. Code §  250.10 (relating to measurement of regulated substances in media); 25 Pa. Code §  264.342 (relating to principal organic hazardous constituents (POHCs); and 25 Pa. Code §  264.343 (relating to performance standards).