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§ 721.6080 Phosphonium salt (generic name).
(a) Chemical substance and significant new uses subject to reporting. (1) The chemical substance phosphonium salt (PMN Number P-84-820) 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) and (a)(3), (b) [concentration set at 1.0 percent], and (c).