Section 721.6085 - Phosphonocarboxylate salts(a)Chemical substances and significant new uses subject to reporting.(1) The chemical substances identified generically as phosphonocarboxylate salts (PMNs P-93-722, P-93-723, and P-93-724) are 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) (where N = 1000 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.58 FR 51707, Oct. 4, 1993