Section 721.6470 - Polyaminopolyacid(a)Chemical substance and significant new uses subject to reporting.(1) The chemical substance identified generically as a polyaminopolyacid (PMN No. P-92-491) is subject to reporting under this section for the significant new uses 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) (concentration set at 500 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 significant new use rule.58 FR 32240, June 8, 1993