(a) Chemical substance and significant new uses subject to reporting.

(1) The chemical substance generically identified as substituted carboxylic acid, polymer with 2,4-diisocyanato-1-methylbenzene, hexanedioic acid, alpha-hydro-omega-hydroxypoly[oxy(methyl-1,2-ethanediyl)], 1,1′-methylenebis[4-isocyanatobenzene], 2,2′-oxybis[ethanol], 1,1′-oxybis[2-propanol] and 1,2-propanediol) (PMN P-17-239) 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(o). It is a significant new use to use the substance involving spray application that results in inhalation exposures. It is a significant new use to manufacture (includes importing) the substance to contain more than 20% residual isocyanate by weight.

(ii) Release to water. Requirements as specified in §721.90(a)(4), (b)(4), and (c)(4) where N=33.

(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, including importers, and processors of this substance.

(2) Limitations or revocation of certain notification requirements. The provisions of §721.185 apply to this section.

[85 FR 15957, Mar. 20, 2020]