Section 721.11757 - Carboxylic acid, reaction products with metal hydroxide, inorganic dioxide and metal (generic)(a)Chemical substance and significant new uses subject to reporting.(1) The chemical substance identified generically as carboxylic acid, reaction products with metal hydroxide, inorganic dioxide and metal (PMN P-20-10) 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)(vii), (7) and (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 1,000, or an APF of 50 if dust controls are implemented that demonstrate an exposure reduction of at least 30%.(ii)Hazard communication. Requirements as specified in § 721.72(a) through (d), (f), and (g)(1), (3)(iii) and (5) . For purposes of § 721.72(g)(1) , this substance may cause: skin sensitization; genetic toxicity; 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)Release to water. Requirements as specified in § 721.90(a)(4), (b)(4), and (c)(4) , where N=11.(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 (h), 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