Section 721.10162 - 1,3 Dioxolane-4-butanol, 2-ethenyl-(a)Chemical substance and significant new uses subject to reporting.(1) The chemical substance identified as 1,3 dioxolane-4-butanol, 2-ethenyl- (PMN P-08-24; CAS No. 2421-08-1) 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 as specified in § 721.80(j) .(b)Specific requirements. The provisions of subpart A of this part apply to this section except as modified by this paragraph. (1)Recordkeeping. Recordkeeping requirements as specified in § 721.125 (a), (b), (c), and (i) are applicable to manufacturers, importers, and processors of this substance.(2)Limitations 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 this section. 74 FR 47887 , Sept. 18, 2009