Section 721.1880 - Borate(1-), tris(acetato-.kappa.O)hydro-, sodium, (T-4)-(a)Chemical substance and significant new uses subject to reporting.(1) The chemical substance identified as borate(1-), tris(acetato-.kappa.O)hydro-, sodium, (T-4)- (PMN P-00-0922; CAS No. 56553-60-7) is subject to reporting under this section for the significant new use described in paragraph (a)(2) of this section.(2) The significant new uses are:(i)Release to water. Requirements as specified in § 721.90 (a)(4), (b)(4), and (c)(4) (N = 300 ppb).(b)Specific requirements. The provisions of subpart A of this part apply to this section except as modified by this paragraph. (1)Recordkeeping. Recordkeeping requirements as specified in § 721.125 (a), (b), (c), and (k) are applicable to manufacturers, importers, and processors of this substance.(2)Limitations or revocation of certain notification requirements. The provisions of § 721.185 apply to this section. 68 FR 15082 , Mar. 28, 2003