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§ 721.6020 Phosphine, dialkylyphenyl.
(a) Chemical substances and significant new uses subject to reporting. (1) The chemical substance identified generically as phosphine dialkylphenyl (P-83-1023) 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)(3), (a)(4), (a)(5)(i), (a)(5)(ii), (a)(5)(iii), (a)(6)(i), (b) (concentration set at 1 percent), and (c).