# 721.11288 Benzene, 1-(chloromethyl)-3-methyl-.
(a) *Chemical substance and significant new uses subject to reporting.* (1) The chemical substance identified as benzene, 1-(chloromethyl)-3-methyl- (PMN P-18-134; CAS No. 620-19-9) 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) *Protection in the workplace.* Requirements as specified in § 721.63(a)(1), (a)(2)(i) and (iii), (a)(3) through (5), (a)(6)(v) and (vi), (b), and (c). When determining which persons are reasonably likely to be exposed as required for § 721.63(a)(1) and (4), 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. 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. For purposes of § 721.63(a)(6), the airborne form(s) of the substance include particulate and combination gas/vapor and particulate. For purposes of § 721.63(b), the concentration is set at 0.1%.
(ii) *Hazard communication.* Requirements as specified in § 721.72(a) through (f), (g)(1), (g)(2)(i) through (v), (g)(3)(i) and (ii), (g)(4)(iii), and (g)(5). For purposes of § 721.72(e), the concentration is set at 0.1%. For purposes of § 721.72(g)(1), this substance may cause: Respiratory irritation; severe skin burns and eye damage; sensitization (respiratory and dermal); serious eye irritation; respiratory complications; central nervous system effects; reproductive effects; cancer; developmental effects. 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 vary the process or use methods described in the PMN such that occupational exposure is increased.
(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 and processors of this substance.
(2) *Limitation or revocation of certain notification requirements.* The provisions of § 721.185 apply to this section.
(3) *Determining whether a specific use is subject to this section.* The provisions of § 721.1725(b)(1) apply to paragraph (a)(2)(iii) of this section.
[86 FR 46144, Aug. 18, 2021]