Section 721.11456 - Acid-modified polyether (generic)(a)Chemical substance and significant new uses subject to reporting.(1) The chemical substance identified generically as acid-modified polyether (PMN P-18-367) 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)Industrial, commercial, and consumer activities. Requirements as specified in § 721.80(f) and (o) . It is a significant new use to process the substance to a final product formulation of greater than 2% by weight.(ii)Release to water. Requirements as specified in § 721.90(a)(4), (b)(4), and (c)(4) where N=9.(b)Specific requirements. The provisions of subpart A of this part apply to this section except as modified by this paragraph (b). (1)Recordkeeping. Recordkeeping requirements as specified in § 721.125(a) through (c), (i), and (k) are applicable to manufacturers and processors of this substance.(2)Limitations or revocation of certain notification requirements. The provisions of § 721.185 apply to this section. 85 FR 78747 , Dec. 7, 2020