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 This website is no longer updated and links to external websites and some internal pages may not work.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 »

Maryland SIP, General Emissions Standards, Particular Matter

State:   Maryland 
* Agency:   MD-Department of the Environment
* Regulation Type:   Rule
* Rule #:    COMAR
* Rule Title:    General Emissions Standards, Prohibitions, and Restrictions - Particulate Matter
* State Effective Date:   11/11/2002
* Final Federal Register Date:   08/06/2003
* Federal Register Citation #:   68 FR 46487
 Superseded /
  Rescinded Date 


 Revisions to Section .03C of this rule become part of the SIP, effective 10/6/2003, replacing text which was State effective as of 8/26/1988, and SIP effective as of 4/13/01

You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.