Section 721.11154 - Quaternary ammonium salts (generic)(a)Chemical substance and significant new uses subject to reporting.(1) The chemical substances identified generically as quaternary ammonium salts (PMNs P-16-356 and P-16-357) are 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 substances after they have been reacted (cured).(2) The significant new uses are:(i)Protection in the workplace. Requirements as specified § 721.63(a)(1), (a)(2)(i), (a)(3) , (when determining which persons are reasonably likely to be exposed as required for § 721.63(a)(1) , engineering control measures (e.g., enclosure or confinement of the operation, general and local ventilation) or administrative control measures (e.g., workplace policies and procedures) shall be considered and implemented to prevent exposure where feasible), (b) (concentration set at 1.0%), and (c).(ii)Hazard communication. Requirements as specified in § 721.72(a) through (e) (concentration set at 1.0%), (f), (g)(1)(i) and (ii) (neurotoxicity), (g)(2)(i), (iii), and (v), (g)(3)(i) and (ii), and (g)(5). 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 activities. Requirements as specified in § 721.80(k) . It is a significant new use to manufacture, process, or use the substances in any manner way that results in generation of a vapor, mist or aerosol.(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) are applicable to manufacturers and processors of these substances.(2)Limitations or revocation of certain notification requirements. The provisions of § 721.185 apply to this section. 84 FR 64759 , Nov. 25, 2019 83 FR 49821 , 12/3/2018; 84 FR 64759 , 1/24/2020