This checklist consolidates the changes to the federal code addressed by the Toxicity Characteristic rule [55 Federal Register 11798, March 29, 1990, Revision Checklist 74] and subsequent revisions that occurred through December 31, 2002.
Toxicity Characteristics Revisions (Rich Text Format)(10 pp, 445 K)
You will need Adobe Reader to view some of the files on this page. See EPA’s About PDF page to learn more.- Toxicity Characteristics Revisions (PDF)(10 pp, 121 K)