40 CFR 721.5284 Chromate (5-), bis[4-hydroxy-7-[(2-hydroxy-1-naphthalenyl)azo]- 3-[(2-hydroxy-3-nitro-5-sulfophenyl)azo]-2- naphthalenesulfonato(4-)]-, pentasodium [65 FR 81401, Dec. 26, 2000]