Smart Location Database Technical Documentation and User Guide (2014) contains a detailed description of the data sources and methodologies used to calculate the variables in the Smart Location Database. It also discusses known limitations associated with the variables. More information about the environmental significance of several individual variables in the Smart Location Database will be available in the form of fact sheets developed for EPA’s EnviroAtlas.
You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.- Smart Location Database User Guide (PDF)(52 pp, 2 MB)