Section 721.11766 - Organic acid ester, polymer with aliphatic diols and 1,1'-methylenebis[4-isocyanatobenzene] (generic)(a)Chemical substance and significant new uses subject to reporting.(1) The chemical substance identified generically as organic acid ester, polymer with aliphatic diols and 1,1'-methylenebis[4-isocyanatobenzene] (PMN P-20-130) is subject to reporting under this section for the significant new uses described in paragraph (a)(2) of this section. The requirements of this section do not apply to quantities of the substance after they have been completely reacted (cured).(2) The significant new uses are: (i)Protection in the workplace. Requirements as specified in § 721.63(a)(3), (5), (6)(ix), (7) amd (8), and (c). For purposes of § 721.63(a)(5) , respirators must provide a National Institute for Occupational Safety and Health (NIOSH) assigned protection factor (APF) of at least 50.(ii)Hazard communication. Requirements as specified in § 721.72(a) through (d), (f), and (g)(1) and (5) . For purposes of § 721.72(g)(1) , this substance may cause: acute toxicity; skin irritation; respiratory sensitization; skin sensitization; genetic toxicity; carcinogenicity; reproductive toxicity; specific target organ toxicity. Alternative hazard and warning statements that meet the criteria of the Globally Harmonized System and OSHA Hazard Communication Standard may be used.(iii)Industrial, commercial, and consumer use. Requirements as specified in § 721.80(o) . It is a significant new use to use the substance in any manner or method that involves spray application.(iv)Release to water. Requirements as specified in § 721.90(a)(1), (b)(1), and (c)(1) .(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 (i), and (k) are applicable to manufacturers, importers, and processors of this substance.(2)Limitation or revocation of certain notification requirements. The provisions of § 721.185 apply to this section.88 FR 87351, Dec. 18, 2023