EPA: Substance Registry System
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Substance Registry System
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Welcome to the Substance Registry System

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The Substance Registry System (SRS) provides information on substances and how they are represented in the Environmental Protection Agency (EPA) regulations and information systems.

Using the search below, you can query for substances by common identifiers, names, or alternate identifiers. Additional search capabilities are available on the Search page.

Type: 
Keyword/
Identifier:
 
Search Options:  Containing Beginning With Exact Match

The search options apply only to Substance Name and Alternate Identifier searches.



Please read the SoR Disclaimer for the Substance Registry System. The Introduction and Help pages provide information to assist in understanding and using the SRS.

 
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Last updated on Friday, March 26th, 2004 SRS Version 2003
URL: http://www.epa.gov/srs/