Section 721.11120 - Siloxanes and Silicones, di-Me, 3-hydroxypropyl Me, Me 3,3,4,4,5,5,6,6,6-nonafluorohexyl(a)Chemical substance and significant new uses subject to reporting.(1) The chemical substance identified as siloxanes and silicones, di-Me, 3-hydroxypropyl Me, Me 3,3,4,4,5,5,6,6,6-nonafluorohexyl (CAS: 1610862-54-8) (PMN P-16-413) 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)Industrial, commercial, and consumer activities. Requirements are described in § 721.80(f) and (p) (40,000 kilograms and 151,300 kilograms). It is a significant new use to process or use the chemical substance in a manner that results in inhalation exposure to spray, mist or aerosol.(ii)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 (c), (i), and (k) are applicable to manufacturers and processors of this substance.(2)Limitations or revocation of certain notification requirements. The provisions of § 721.185 apply to this section. 84 FR 57617 , Oct. 28, 2019 83 FR 43536 , 10/26/2018; 84 FR 57617 , 12/27/2019