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 This website is no longer updated and links to external websites and some internal pages may not work.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

Federal Register Notices that Proposed Adding Methods 4010, 9040B and 9045C to the SW-846 Compendium in Updates IIA and IIB

The following documents contain updates to the SW-846 Compendium. Update II added 62 new and revised methods to SW-846, updated the Abstract and Table of Contents, and updated Chapters Two, Three, and Four. This action also amended Chapter Seven of SW-846 by removing the statement that Method 9095 may be used to determine free liquid.

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