40 CFR 721.4575 L-aspartic acid, N,N'- [(1E) - 1,2 - ethenediylbis[(3-sulfo-4, 1-phenylene)imino [6-(phenylamino)-1,3,5-triazine- 4,2- diyl]]]bis-, hexasodium salt [68 FR 15085, Mar. 28, 2003]