Decision document for: FD&C Blue No. 1 - CAS No. 3844-45-9 FD & C Red No.40 - CAS No. 25956-17-6 Tartrazine - CAS No. 1934-21-0 You will need Adobe Reader to view some of the files on this page. See EPA’s About PDF page to learn more. Inert Reassessment Decision Document for Tartrazine (PDF)(31 pp, 17 MB)