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 This website is no longer updated and links to external websites and some internal pages may not work.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

GLI Criteria Calculation Spreadsheets

You can use these spreadsheets to help understand how the criteria have been calculated. The formulas and inputs are in the Technical Support Documents and in the 40 CFR Part 132. Spreadsheets include default settings as published in 40 CFR Part 132.

See also Before You Use the GLI Clearinghouse

Please note: States and Tribes may use different values and equations from what has been published by the EPA. See specific state and tribal regulatory languages to determine how values are calculated.