An official website of the United States government.

This is not the current EPA website. To navigate to the current EPA website, please go to This website is historical material reflecting the EPA website as it existed on January 19, 2021. This website is no longer updated and links to external websites and some internal pages may not work. More information »

Pennsylvania SIP, Chapter 123, Section 123.21 - Sulfur Compound Emissions- General

* State: Pennsylvania 
* Agency: PA-Department of Environmental Protection
* Regulation Type: Rule
* Rule #:   Chapter 123, Section 123.21
* Rule Title:  Sulfur Compound Emissions- General
* State Effective Date: 03/20/1972
* Final Federal Register Date: 05/31/1972
* Federal Register Citation #: 37 FR 10842
 Superseded /
  Rescinded Date :
 Comments :
You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.