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Glossary of Terms
Note: EPA no longer updates this information, but it may be useful as a reference or resource.
This web site provides query access to over 200 million monitoring records originally reported to EPA via the Legacy STORET System.
The STORET Legacy Data Center Web webpage has changed!
Please wait while you are redirected to the new WQX Web webpage. If you are not redirected within ten seconds, please go to http://www.epa.gov/storpubl/legacy/glossary.htm.