(i) Protection in the workplace. Requirements as specified in § 721.63(a)(1), (3) through (5), (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 (a)(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 50. For purposes of § 721.63(a)(6), particulate (including combination gas/vapor and particulate). For purposes of § 721.63(b), concentration is set at 1.0%.

(ii) Hazard communication. Requirements as specified in § 721.72(a) through (f), (g)(1)(i), (2)(i) and (ii), (iv) and (v), (4)(iii), and (5). For purposes of § 721.72(e), concentration is set at 1.0%. For purposes of § 721.72(g)(1) skin and respiratory sensitization. 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(o). It is a significant new use to manufacture the substance for more than one year.